Names | Ямал-101 Yamal-100 KA-1 |
---|---|
Mission type | Communications |
Operator | Gazprom Space Systems |
COSPAR ID | 1999-047A |
SATCAT no. | 25896 |
Website | https://www.gazprom-spacesystems.ru |
Mission duration | 12 years (planned) Failed on orbit |
Spacecraft properties | |
Spacecraft | Yamal-101 |
Spacecraft type | Yamal-100 |
Bus | USP Bus |
Manufacturer |
RSC Energia (bus) Space Systems/Loral (payload) |
Launch mass | 1,360 kg (3,000 lb) |
Power | 2200 watts |
Start of mission | |
Launch date | 6 September 1999, 16:36:00 UTC |
Rocket | Proton-K / Blok DM-2M |
Launch site | Baikonur, Site 81/23 |
Contractor | Khrunichev State Research and Production Space Center |
Entered service | Failed on orbit |
End of mission | |
Last contact | 6 September 1999 |
Orbital parameters | |
Reference system | Geocentric orbit |
Regime | Geostationary orbit |
Longitude | 49° East (planned) |
Transponders | |
Band | 12 C-band |
Coverage area | Russia |
Yamal-101 ( Russian: Ямал-101) was an intended geostationary communications satellite that was lost after launch. It was built by RSC Energia and operated by Gazprom Space Systems. [1] It was, along with Yamal-102 the first communications satellite of the Yamal programme and the first iteration of the USP Bus. [2] [3] It was a 1,360 kg (3,000 lb) satellite with 2200 watts of power (1300 watts available for the payload) on an unpressurized bus. [4] It had eight SPT-70 electric thrusters by OKB Fakel for station keeping. [5] Its payload was 12 C-band equivalent transponders supplied by Space Systems/Loral. [6]
It was launched successfully with Yamal-102, on 6 September 1999 at 16:36:00 UTC from Baikonur Site 81/23 by a Proton-K / Blok DM-2M directly to geostationary orbit. [7] [8] Due to a failure in the electrical system at solar panel deployment it was lost right after launch. [9] [1]
After Yamal-101 failed, Gazprom Space Systems registered Yamal-102 as Yamal-101. This caused significant confusion, but the records are clear that the satellite that failed was the original Yamal-101. [9] [10] Insurance paid US$50 million for the failure. [11]