{
 "id": "r3a9fd7b70af",
 "found": true,
 "parent_id": "r37daba9a7ad",
 "created_at": "2026-08-31 15:15:48.288157+00:00",
 "rows": [
  {
   "url": "https://datahub.io/technology/gcat-artificial-space-objects",
   "title": "GCAT: General Catalog of Artificial Space Objects",
   "data_file": {
    "file_name": "satcat.csv",
    "file_url": "https://datahub.io/technology/gcat-artificial-space-objects/_r/-/data/satcat.csv",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "Dataset Files",
     "\u251c [data/satcat.csv](https://datahub.io/technology/gcat-artificial-space-objects/_r/-/data/satcat.csv)",
     "Files",
     "- `data/satcat.csv`: cleaned object-level catalog (`68,140` data rows)"
    ],
    "file_url_evidence": [
     "Dataset Files",
     "\u251c [data/satcat.csv](https://datahub.io/technology/gcat-artificial-space-objects/_r/-/data/satcat.csv)",
     "https://datahub.io/technology/gcat-artificial-space-objects/_r/-/data/satcat.csv",
     "[Download CSV](/technology/gcat-artificial-space-objects/_r/-/data/satcat.csv)"
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://datahub.io/technology/gcat-artificial-space-objects/TASK",
   "title": "GCAT: General Catalog of Artificial Space Objects",
   "data_file": {
    "file_name": "satcat.tsv",
    "file_url": "https://planet4589.org/space/gcat/data/cat/satcat.tsv",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "- The main catalog file is `satcat.tsv` \u2014 the full satellite catalog",
     "- Data files: [https://planet4589.org/space/gcat/data/](https://planet4589.org/space/gcat/data/)",
     "# Task: Wrangle GCAT Space Objects Dataset",
     "## Source"
    ],
    "file_url_evidence": [
     "1. **Download the main catalog** from [https://planet4589.org/space/gcat/data/cat/satcat.tsv](https://planet4589.org/space/gcat/data/cat/satcat.tsv)",
     "# Task: Wrangle GCAT Space Objects Dataset",
     "## What to do"
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://planet4589.org/space/gcat/web/launch/ldes.html",
   "title": "Jonathan's Space Report | GCAT",
   "data_file": {
    "file_name": "O File",
    "file_url": "../../data/ldes/O.html",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "GCAT Release 1.8.7 (2026 Aug 25) | Data Update 2026 Aug 27",
     "Launch Lists by Designation",
     "- [O File:](../../data/ldes/O.html) Orbital Launches"
    ],
    "file_url_evidence": [
     "GCAT Release 1.8.7 (2026 Aug 25) | Data Update 2026 Aug 27",
     "Launch Lists by Designation",
     "- [O File:](../../data/ldes/O.html) Orbital Launches"
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "http://planet4589.org/space/gcat/web/launch/ldes.html",
   "title": "Jonathan's Space Report | GCAT",
   "data_file": {
    "file_name": "O File",
    "file_url": "../../data/ldes/O.html",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "GCAT Release 1.8.0 (2025 Nov 10) | Data Update 2026 May 25",
     "Launch Lists by Designation",
     "- [O File:](../../data/ldes/O.html) Orbital Launches"
    ],
    "file_url_evidence": [
     "GCAT Release 1.8.0 (2025 Nov 10) | Data Update 2026 May 25",
     "Launch Lists by Designation",
     "- [O File:](../../data/ldes/O.html) Orbital Launches"
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://novem.io/u/trt/p/ex-space-launch",
   "title": "Dawn of a new space age \ud83d\ude80 by @trt",
   "data_file": {
    "file_name": "launch.tsv",
    "file_url": "https://planet4589.org/space/gcat/tsv/launch/launch.tsv",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "## Source code",
     "URL_LAUNCHES = 'https://planet4589.org/space/gcat/tsv/launch/launch.tsv'"
    ],
    "file_url_evidence": [
     "## Source code",
     "URL_LAUNCHES = 'https://planet4589.org/space/gcat/tsv/launch/launch.tsv'"
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://planet4589.org/space/gcat/tsv/derived",
   "title": "/ space / gcat / tsv / derived /",
   "data_file": {
    "file_name": "launchlog.tsv",
    "file_url": "./launchlog.tsv",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "| | [launchlog.tsv](./launchlog.tsv) | 4.5 MiB | | |",
     "| | [](?sort=namedirfirst&order=desc)[ Name ](?sort=name&order=asc) | [ Size ](?sort=size&order=asc) | [ Modified ](?sort=time&order=asc) | |"
    ],
    "file_url_evidence": [
     "| | [launchlog.tsv](./launchlog.tsv) | 4.5 MiB | | |",
     "| | [](?sort=namedirfirst&order=desc)[ Name ](?sort=name&order=asc) | [ Size ](?sort=size&order=asc) | [ Modified ](?sort=time&order=asc) | |"
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://trilogydata.dev/blog/space_reporting.html",
   "title": "Space Reporting | Trilogy",
   "data_file": {
    "file_name": "satcat.tsv",
    "file_url": "https://planet4589.org/space/gcat",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "# Space Reporting",
     "## How the data gets built",
     "An example script to ingest satellite data looks like this - we've delegated most of the work on processing the CSV into the arrow format we want to a shared helper. The .tsv is actually the full remote path on the server.",
     "table = ingest_gcat_file ( \"tsv/cat/satcat.tsv\" )"
    ],
    "file_url_evidence": [
     "# Space Reporting",
     "Info",
     "McDowell, Jonathan C., 2020. General Catalog of Artificial Space Objects, Release 1.8.0 , https://planet4589.org/space/gcat"
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://planet4589.org/space/gcat/tsv/launch",
   "title": "/ space / gcat / tsv / launch /",
   "data_file": {
    "file_name": "launch.tsv",
    "file_url": "./launch.tsv",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "# [/](../../../../)[space](../../../)/[gcat](../../)/[tsv](../)/launch/",
     "| | [launch.tsv](./launch.tsv) | 11 MiB | | |",
     "List Grid"
    ],
    "file_url_evidence": [
     "# [/](../../../../)[space](../../../)/[gcat](../../)/[tsv](../)/launch/",
     "| | [launch.tsv](./launch.tsv) | 11 MiB | | |",
     "List Grid"
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://tech.marksblogg.com/gcat-satellite-database.html",
   "title": "10K+ Satellites in Space",
   "data_file": {
    "file_name": "launch.tsv",
    "file_url": "https://planet4589.org/space/gcat/tsv/launch/launch.tsv",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "## Launches",
     "Below, I'll download and prepare the launches dataset for DuckDB.",
     "$ wget https://planet4589.org/space/gcat/tsv/launch/launch.tsv $ head -n1 launch.tsv | tail -c+2 > working.csv $ tail -n+3 launch.tsv >> working.csv"
    ],
    "file_url_evidence": [
     "## Launches",
     "Below, I'll download and prepare the launches dataset for DuckDB.",
     "$ wget https://planet4589.org/space/gcat/tsv/launch/launch.tsv $ head -n1 launch.tsv | tail -c+2 > working.csv $ tail -n+3 launch.tsv >> working.csv"
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://planet4589.org/space/gcat/data",
   "title": "/ space / gcat / data /",
   "data_file": {
    "file_name": "launches.tar.gz",
    "file_url": "./launches.tar.gz",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "| | [ Name ](?sort=name&order=asc) | [ Size ](?sort=size&order=asc) | [ Modified ](?sort=time&order=asc) | |",
     "| | [launches.tar.gz](./launches.tar.gz) | 1.9 MiB | | |"
    ],
    "file_url_evidence": [
     "| | [ Name ](?sort=name&order=asc) | [ Size ](?sort=size&order=asc) | [ Modified ](?sort=time&order=asc) | |",
     "| | [launches.tar.gz](./launches.tar.gz) | 1.9 MiB | | |"
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://duncaneddy.github.io/brahe/latest/learn/datasets/gcat.html",
   "title": "GCAT - Brahe",
   "data_file": {
    "file_name": null,
    "file_url": "https://planet4589.org/space/gcat/",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": null,
    "file_url_evidence": [
     "# GCAT Satellite Catalogs\u00b6\n\n[GCAT (General Catalog of Artificial Space Objects)](https://planet4589.org/space/gcat/) is Jonathan McDowell's comprehensive catalog of all known artificial objects in space. Brahe provides functions to download and query two GCAT catalogs: SATCAT (satellite catalog) and PSATCAT (payload satellite catalog), with automatic file-based caching.",
     "GCAT Satellite Catalogs"
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://spacepolicies.org/gcat-data-and-charts/",
   "title": "The Data Behind the Charts: GCAT",
   "data_file": {
    "file_name": null,
    "file_url": "https://www.planet4589.org/space/gcat/",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": null,
    "file_url_evidence": [
     "# The Data Behind the Charts: GCAT",
     "The source is **GCAT**, the General Catalog of Artificial Space Objects, compiled by astrophysicist Jonathan McDowell and published at [planet4589.org/space/gcat](https://www.planet4589.org/space/gcat/) ."
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://datahub.io/technology/gcat-artificial-space-objects/AGENTS",
   "title": "GCAT: General Catalog of Artificial Space Objects",
   "data_file": {
    "file_name": "satcat",
    "file_url": "https://datahub.io/technology/gcat-artificial-space-objects/_r/-/data/satcat.csv",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "Data Files",
     "| File | Description | Size | Last modified | Download |",
     "| satcat | Standard catalog of all artificial space objects. One row per phase; most objects have a single phase. Covers all objects ever tracked in Earth orbit and beyond. | 6.41 MB | about 2 months ago | [ satcat ](/technology/gcat-artificial-space-objects/_r/-/data/satcat.csv) |"
    ],
    "file_url_evidence": [
     "Browse dataset files",
     "Dataset Files",
     "https://datahub.io/technology/gcat-artificial-space-objects/_r/-/data/satcat.csv"
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "http://vicenewphoto.blogspot.com/2020/08/this-scientist-spent-decades-cataloging.html",
   "title": "This Scientist Spent Decades Cataloging 57,424 Man-Made Objects in Space",
   "data_file": {
    "file_name": null,
    "file_url": "https://planet4589.org/space/gcat/web/cat/index.html",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": null,
    "file_url_evidence": [
     "A scientist and space history hobbyist has published the [General Catalog of Artificial Space Objects](https://planet4589.org/space/gcat/web/cat/index.html) (GCAT), an open-source database containing the most complete catalog of man-made objects in space such as satellites, spacecraft, and debris, as well as space organizations and launches."
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://planet4589.org/space/gcat/tsv/tables",
   "title": "/ space / gcat / tsv / tables /",
   "data_file": {
    "file_name": "lp.tsv",
    "file_url": "./lp.tsv",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "| | [lp.tsv](./lp.tsv) | 358 KiB | | |",
     "| | [](?sort=namedirfirst&order=desc)[ Name ](?sort=name&order=asc) | [ Size ](?sort=size&order=asc) | [ Modified ](?sort=time&order=asc) | |"
    ],
    "file_url_evidence": [
     "| | [lp.tsv](./lp.tsv) | 358 KiB | | |",
     "| | [](?sort=namedirfirst&order=desc)[ Name ](?sort=name&order=asc) | [ Size ](?sort=size&order=asc) | [ Modified ](?sort=time&order=asc) | |"
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://teslarati.com/tesla-roadster-makes-history-57k-human-objects-in-space-log",
   "title": "Tesla Roadster and \u2018friends\u2019 make history in newly-published log of 57k+ human objects in space",
   "data_file": {
    "file_name": "satcat.html",
    "file_url": "https://www.planet4589.org/space/gcat/data/cat/satcat.html",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "The General Catalog of Artificial Space Objects (GCAT).",
     "Jonathan McDowell, currently with the Harvard-Smithsonian Center for Astrophysics, [created GCAT as an endeavor that began about 40 years go](https://www.planet4589.org/space/gcat/data/cat/satcat.html) during his Apollo-inspired childhood."
    ],
    "file_url_evidence": [
     "The General Catalog of Artificial Space Objects (GCAT).",
     "Jonathan McDowell, currently with the Harvard-Smithsonian Center for Astrophysics, [created GCAT as an endeavor that began about 40 years go](https://www.planet4589.org/space/gcat/data/cat/satcat.html) during his Apollo-inspired childhood."
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://ilovetesla.com/tesla-roadster-makes-history-in-a-newly-published-log-of-human-objects-in-space",
   "title": "Tesla Roadster makes history in a newly published log of human objects in space",
   "data_file": {
    "file_name": "satcat.html",
    "file_url": "https://www.planet4589.org/space/gcat/data/cat/satcat.html",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "# Tesla Roadster makes history in a newly published log of human objects in space",
     "Currently with the Harvard-Smithsonian Center for Astrophysics, Jonathan McDowell developed [GCAT](https://www.planet4589.org/space/gcat/data/cat/satcat.html) as a pursuit that started in his Apollo-inspired childhood for about 40 years."
    ],
    "file_url_evidence": [
     "# Tesla Roadster makes history in a newly published log of human objects in space",
     "Currently with the Harvard-Smithsonian Center for Astrophysics, Jonathan McDowell developed [GCAT](https://www.planet4589.org/space/gcat/data/cat/satcat.html) as a pursuit that started in his Apollo-inspired childhood for about 40 years."
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://lis653.wordpress.com/2020/09/22/a-space-cataloging-odyssey",
   "title": "A Space Cataloging Odyssey",
   "data_file": {
    "file_name": null,
    "file_url": "https://planet4589.org/space/gcat/index.html",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": null,
    "file_url_evidence": [
     "An astronomer at the Harvard-Smithsonian Center for Astrophysics, McDowell recently released [the General Catalog of Artificial Space Objects (GCAT)](https://planet4589.org/space/gcat/index.html), in which he has cataloged 57,424 man-made objects in space."
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://planet4589.com/space/deepcat/desc.html",
   "title": "Jonathan's Space Report | Space Home Page",
   "data_file": {
    "file_name": null,
    "file_url": "https://planet4589.org/space/gcat",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": null,
    "file_url_evidence": [
     "A more compact version of the catalog, without the notes and references, is included as a subset of my General Catalog of Space Objects, https://planet4589.org/space/gcat, in its `deepcat', `lprcat' and `hcocat' tables.",
     "The Catalog"
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://planet4589.org/space/gcat/web/cat/active.html",
   "title": "Jonathan's Space Report | GCAT",
   "data_file": {
    "file_name": null,
    "file_url": "../../data/derived/active.html",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": null,
    "file_url_evidence": [
     "GCAT Release 1.8.0 (2025 Nov 10) | Data Update 2026 May 17",
     "## Active Catalog Column Descriptions",
     "The [active catalog](../../data/derived/active.html) lists payloads which are or may be still transmitting."
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://web.archive.org/web/3/https%3A%2F%2Ftech.marksblogg.com%2Fgcat-satellite-database.html",
   "title": "10K+ Satellites in Space",
   "data_file": {
    "file_name": "launch.tsv",
    "file_url": "https://planet4589.org/space/gcat/tsv/launch/launch.tsv",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "Below, I'll download and prepare the launches dataset for DuckDB.",
     "$ wget https://planet4589.org/space/gcat/tsv/launch/launch.tsv $ head -n1 launch.tsv | tail -c+2 > working.csv $ tail -n+3 launch.tsv >> working.csv"
    ],
    "file_url_evidence": [
     "Below, I'll download and prepare the launches dataset for DuckDB.",
     "$ wget https://planet4589.org/space/gcat/tsv/launch/launch.tsv $ head -n1 launch.tsv | tail -c+2 > working.csv $ tail -n+3 launch.tsv >> working.csv"
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://duncaneddy.github.io/brahe/latest/library_api/datasets/gcat.html",
   "title": "GCAT - Brahe",
   "data_file": {
    "file_name": "satcat.tsv",
    "file_url": null,
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "# GCAT Functions",
     "Functions and types for accessing Jonathan McDowell's GCAT satellite catalogs (SATCAT and PSATCAT).",
     "All 41+ columns from the `satcat.tsv` file are represented."
    ],
    "file_url_evidence": null,
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://db.satnogs.org/satellite-reviewed-suggestions/9420",
   "title": "SatNOGS DB - Suggestion for Satellite 56988",
   "data_file": {
    "file_name": "satcat.tsv",
    "file_url": "https://www.planet4589.org/space/gcat/tsv/satcat.tsv",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "Suggested Edit for Satellite",
     "**Suggested by** ve3rqx **on:** 2025-07-22 15:58**Citation:** https://www.planet4589.org/space/gcat/tsv/satcat.tsv @ S56988**Verdict:** Approved**Reviewed by** - **on:** 2025-08-30 12:25"
    ],
    "file_url_evidence": [
     "Suggested Edit for Satellite",
     "**Suggested by** ve3rqx **on:** 2025-07-22 15:58**Citation:** https://www.planet4589.org/space/gcat/tsv/satcat.tsv @ S56988**Verdict:** Approved**Reviewed by** - **on:** 2025-08-30 12:25"
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  },
  {
   "url": "https://planet4589.org/space/log/satcat.html",
   "title": "Jonathan's Space Report | LVDB",
   "data_file": {
    "file_name": "currentcat.tsv",
    "file_url": "https://planet4589.org/space/gcat/tsv/derived/currentcat.tsv",
    "file_format": null,
    "file_fields": null,
    "file_name_evidence": [
     "This file has been superseded by the GCAT catalog [ https://planet4589.org/space/gcat/data/derived/currentcat.html](https://planet4589.org/space/gcat/data/derived/currentcat.html)",
     "also available as a tab-separated-value file [ https://planet4589.org/space/gcat/tsv/derived/currentcat.tsv](https://planet4589.org/space/gcat/tsv/derived/currentcat.tsv)"
    ],
    "file_url_evidence": [
     "This file has been superseded by the GCAT catalog [ https://planet4589.org/space/gcat/data/derived/currentcat.html](https://planet4589.org/space/gcat/data/derived/currentcat.html)",
     "also available as a tab-separated-value file [ https://planet4589.org/space/gcat/tsv/derived/currentcat.tsv](https://planet4589.org/space/gcat/tsv/derived/currentcat.tsv)"
    ],
    "file_format_evidence": null,
    "file_fields_evidence": null
   }
  }
 ],
 "notes": [
  "Merged 8 queries (1012 total) \u2192 701 unique results",
  "Search result set: r37daba9a7ad (701 rows), reference it as FROM r37daba9a7ad in follow-up queries",
  "WARNING: semantic extraction failed on 1 of 701 rows \u2014 extracted values are null on those rows. First error: timed_out after 90.0s"
 ]
}