JCSAT-5A
Names | JCSAT-5A N-STAR d JCSAT-9 |
---|---|
Mission type | Communications |
Operator | SKY Perfect JSAT Group |
COSPAR ID | 2006-010A |
SATCAT no. | 29045 |
Mission duration | 12 years (planned) |
Spacecraft properties | |
Spacecraft | JCSAT-5A |
Bus | A2100-AX |
Manufacturer | Lockheed Martin |
Launch mass | 4,401 kg (9,703 lb) |
Start of mission | |
Launch date | 12 April 2006, 23:29:59 UTC |
Rocket | Zenit-3SL |
Launch site | Odyssey |
Contractor | Sea Launch |
Orbital parameters | |
Reference system | Geocentric orbit |
Regime | Geostationary orbit |
Longitude | 132° East |
Transponders | |
Band | Ku-band: 8 × 54 Mhz + 12 × 36 MHz C-band: 20 x 36 MHz S-band beam |
Bandwidth | 1,584 MHz |
Coverage area | Japan, Asia |
TWTA power | Ku-band: 110 watts C-band: 45 watts S-band: 130 watts |
JSAT ← JCSAT-2A JCSAT-3A → |
JCSAT-5A or N-STAR d, known as JCSAT-9 before launch, is a geostationary communications satellite operated by SKY Perfect JSAT Group (JSAT), which was designed and manufactured by Lockheed Martin on the A2100 platform.[1][2]
Satellite description
The spacecraft was designed and manufactured by Lockheed Martin on the A2100-AX satellite bus. It had a launch mass of 4,401 kg (9,703 lb) and a 12-year design life. It would provide communications services throughout Japan and Asia and for NTT DoCoMo.As most satellites based on the A2100-AX platform, it uses a 460 N (100 lbf) LEROS-1C liquid apogee engine (LAE) for orbit raising. Its solar panels span 26.9 m (88 ft) when fully deployed, and, with its antennas in fully extended configurations it is 14.3 m (47 ft) wide.[1][3][4]
Its payload is consists of eight 54 MHz and twelve 36 MHz Ku-band transponders, twenty 36 MHz C-band transponders, and one S-band beam. The Ku-band transponders have a TWTA output power of 110 watts, a C-band of 45 watts, and a S beam of 130 watts.[3][4]
History
On 30 April 2003, JSAT awarded an order for JCSAT-9 to Lockheed Martin and its A2100-AXS platform. Moreover in May 2003, JSAT leased some transponders to NTT DoCoMo to be used as N-STAR d for its WIDESTAR II service. A hybrid satellite with 20 C-band, 20 Ku-band, and 1 S-band transponders, it was expected to launch in 2005 for the 132° East slot.[5][1]
On 12 April 2006 at 23:29:59 UTC, a Zenit-3SL launching from the offshore Odyssey launch platform successfully orbited JCSAT-9. Separation from the launch vehicle occurred at 00:38:02 UTC. JSAT had leased some transponders to NTT DoCoMo to be used as N-STAR d. Once in its 132° East orbital position, it was renamed JCSAT-5A and N-STAR d.[1][6][3]
See also
References
- ^ a b c d Krebs, Gunter (21 April 2016). "JCSat 9 (JCSAT 5A, N-Star d)". Gunter's Space Page. Retrieved 20 July 2016.
- ^ "JCSat 5A (JCSat 9, N-Star D)". Satbeams. Retrieved 26 July 2016.
- ^ a b c "JCSAT-5A". SKY Perfect JSAT. Archived from the original on 18 August 2016. Retrieved 9 August 2016.
- ^ a b "Who we are?". SKY Perfect JSATdate=2012-08-03. Retrieved 2 August 2016.
- ^ "JSAT Corporation Awards Lockheed Martin Commercial Space Systems Contract for Powerful A2100 Satellite". icaa.eu. Lockheed Martin Space Systems. 30 April 2003. Retrieved 5 August 2016.
- ^ "JSAT to Lease JCSAT-9 Satellite to NTT DoCoMo". NTT DoCoMo. 23 May 2003. Retrieved 2 August 2016.
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