Talk:International Designator

NSSDC or COSPAR

I'm not 100% sure who maintains this catalog, is it NSSDC or COSPAR? I think it is NSSDC. Do anyone know for sure? Kricke 13:55, 8 October 2006 (UTC)

No, I don't. N2e (talk) 16:16, 3 November 2011 (UTC)

Bumping a ~5 year old thread: The word "Master" in NSSDC Master Catalog and it being hosted on a NASA domain both imply that it's maintained by NASA. SkonesMickLoud (talk) 03:37, 20 February 2016 (UTC)

USSPACECOM catalogues all man-made objects in space within a few days from launch. It assigns international designators to all of them and maintain a catalog of TLEs at Space-Track.org. If only one payload was launched they give it a short name in the catalog right away based on public sources. Otherwise objects are given names "OBJECT XXX" where XXX is equal to the launch piece letters in the assigned international designator. If more than one satellite was launched USSPACECOM encourages satellite operators to contact them directly (see here https://www.space-track.org/documentation#/odr) to tell satellites apart. They also appear to use some other sources. As of this writing just a week after METEOR-M2 2 launch USSPACECOM has already identified 2019-038G and 2019-038J as Russian VDNH-80 and AMGU-1 (AMURSAT) satellites among many other western satellites still unidentified.

NASA takes international designators with proper names from USSPACECOM catalog, adds additional payload info and publishes it as NSSDC Master Catalog. Meanwhile at the same time the UN Office for Outer Space Affairs (UNOOSA) imports USSPACECOM catalog and publishes new entries with a comment "Not registered with the United Nations." For example as of today USSPACECOM identified 2019-036AA as OCULUS-ASR SPHERE 1 a few weeks after the launch. UNOOSA already imported the data in its catalog (http://www.unoosa.org/oosa/osoindex/search-ng.jspx) while NSSDC Master Catalog still doesn't have it. Eventually countries are supposed to register their satellites with UNOOSA. Once that happens UNOOSA matches the submitted satellite parameters with USSPACECOM catalog and provides the name to USSPACECOM if it's new.

Basically USSPACECOM does most of the work, UNOOSA helps, NASA adds a little bit more payload information. There are total three catalogs that can be merged by using international designator as key — Sbsail ^talk 05:05, 15 July 2019 (UTC)

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