Norad ID: 28891
| Spacetrack Directory Name | TOPSAT |
| Orbit launches |
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| Deorbitation |
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| Country/organisation of origin | Anglia (UK) |
| Starting point | PLMSC (Plesetsk Missile and Space Complex, Russia) |
| Perigee | 676 km |
| Apogee | 701 km |
TOPSAT, 28891 is a payload satellite owned by UK MoD (UK) in SSO that was launched on Thu, 27 Oct 2005 UTC via a KOSMOS 11K65M launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). Payloads include a variety of satellites, spacecraft, and rockets equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
satellite TOPSAT Date of exalting 27.10.2005y.