Iridium 33

Iridium 33
A mockup of an Iridium satellite
Mission typeCommunication
OperatorIridium Satellite LLC
COSPAR ID1997-051C Edit this at Wikidata
SATCAT no.24946
Mission duration11 years
Spacecraft properties
BusLM-700A
ManufacturerLockheed Martin
Launch mass700 kg
Start of mission
Launch date14 September 1997, 01:36 UTC
RocketProton-K / DM2
Launch siteBaikonur, Site 81/23
ContractorKhrunichev
via International Launch Services
End of mission
Destroyed10 February 2009, 16:56 UTC
Collision with Kosmos 2251
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude779.6 km [1]
Apogee altitude799.9 km
Inclination86.4°
Period100.4 minutes
Epoch10 February 2009

Iridium 33 was a communications satellite launched by Russia for Iridium Communications. It was launched into low Earth orbit from Site 81/23 at the Baikonur Cosmodrome at 01:36 UTC on 14 September 1997, by a Proton-K rocket with a Block DM2 upper stage.[2][3] The launch was arranged by International Launch Services (ILS). It was operated in Plane 3 of the Iridium satellite constellation, with an ascending node of 230.9°.[2]

  1. ^ "Iridium 33 tracking details". Retrieved 2019-02-04.
  2. ^ a b Wade, Mark. "Iridium". Encyclopedia Astronautica. Archived from the original on 2009-02-16. Retrieved 2009-02-12.
  3. ^ Wade, Mark. "Proton". Encyclopedia Astronautica. Archived from the original on September 13, 2008. Retrieved 2009-02-12.