Engineering:Intelsat 907
| Mission type | Communications |
|---|---|
| Operator | Intelsat[1][2] |
| COSPAR ID | 2003-007A[1] |
| SATCAT no. | 27683[1] |
| Mission duration | Planned: 13 years;[1] Achieved: 17 years |
| Spacecraft properties | |
| Spacecraft type | SSL 1300HL[1] |
| Manufacturer | Space Systems/Loral[1] |
| Launch mass | 4,685.0 kg (10,328.7 lb)[1] |
| Dry mass | 1,973.0 kg (4,349.7 lb)[1] |
| Power | watts |
| Start of mission | |
| Launch date | February 15, 2003, 07:00 UTC[3] |
| Rocket | Ariane 44L H10-3[2] |
| Launch site | Kourou ELA-2[2] |
| Contractor | Arianespace |
| End of mission | |
| Disposal | Graveyard orbit |
| Deactivated | 2 April 2020 [4] |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geostationary |
| Longitude | 27.5° west[1][5] |
| Semi-major axis | 42,164.0 km (26,199.5 mi)[5] |
| Perigee altitude | 35,775.1 km (22,229.6 mi)[5] |
| Apogee altitude | 35,812.9 km (22,253.1 mi)[5] |
| Inclination | 0.0°[5] |
| Period | 1,436.1 minutes[5] |
| Epoch | May 23, 2017[5] |
| Transponders | |
| Band | 72 C band and 23 Ku band |
| Bandwidth | 36 MHz |
| Coverage area | Africa, Australia, Europe, India, Russia |
| EIRP | 36-48 dBW (C band) 53 dBW (Ku band) |
Intelsat 9 | |
Intelsat 907 (or IS-907[1]) was a communications satellite operated by Intelsat.
Launch
Intelsat 907 was launched by an Ariane 4 rocket from Guiana Space Centre, French Guiana, at 06:44 UTC on February 15, 2003.[6]
Capacity and coverage
The 4.7 tonne spacecraft provided data-relay among installations in North America, South America, Western Europe and Africa through its array of C band and Ku band transponders after parking over 27.5 degrees west longitude. It replaced the aging Intelsat 605.[6]
Replacement
On 2 April 2020, the Intelsat 907 was replaced by the Intelsat 901 satellite. Before this, Intelsat 901 had been taken out of operation (having operated for about 18 years in another orbital slot) and moved into graveyard orbit where it docked with Mission Extension Vehicle-1 (MEV-1), a satellite service craft. MEV-1 then took responsibility of propulsion and attitude control of the satellite pair. The satellites then descended back to geostationary arc, where Intelsat 901 then replaced Intelsat 907's communications responsibilities. Intelsat 901 took over from Intelsat 907 on 2 April 2020. It is expected that the Intelsat 901 will operate for five more years, after which MEV-1 will again raise it to graveyard orbit for decommissioning.[4]
See also
- 2003 in spaceflight
External links
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 "Intelsat 907 (IS-907)". SatBeams – Satellite Details. http://www.satbeams.com/satellites?norad=27683.
- ↑ 2.0 2.1 2.2 Krebs, Gunter. "Intelsat 9 (901, 902, 903, 904, 905, 906, 907)". Gunter's Space Page. http://space.skyrocket.de/doc_sdat/intelsat-9.htm.
- ↑ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. http://planet4589.org/space/log/launchlog.txt.
- ↑ 4.0 4.1 "Intelsat-901 satellite, with MEV-1 servicer attached, resumes service". 17 April 2020. https://spacenews.com/intelsat-901-satellite-with-mev-1-servicer-attached-resumes-service/.
- ↑ 5.0 5.1 5.2 5.3 5.4 5.5 5.6 "INTELSAT 907". N2YO. http://www.n2yo.com/satellite/?s=27683.
- ↑ 6.0 6.1 "Intelsat 907". NSSDC Master Catalog. https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=2003-007A.
This article incorporates text from this source, which is in the public domain.
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