Engineering:Intelsat 805
From HandWiki
Short description: Communications satellite
[ ⚑ ] 0°00′N 168°58′W / 0°N 168.97°W
| Mission type | Communications |
|---|---|
| Operator | Intelsat |
| COSPAR ID | 1998-037A |
| SATCAT no. | 25371 |
| Mission duration | 14 years (planned) |
| Spacecraft properties | |
| Spacecraft type | AS-7000 |
| Manufacturer | Lockheed Martin |
| Launch mass | 3,524 kilograms (7,769 lb) |
| Start of mission | |
| Launch date | June 18, 1998, 22:48 UTC[1] |
| Rocket | Atlas IIAS AC-153 |
| Launch site | Cape Canaveral Air Force Station Cape Canaveral Air Force Station Space Launch Complex 36 |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geostationary Now supersynchronous |
| Semi-major axis | 42,164 kilometres (26,199 mi) |
| Perigee altitude | 35,778.0 kilometres (22,231.4 mi) |
| Apogee altitude | 35,809.0 kilometres (22,250.7 mi) |
| Inclination | 0° |
| Period | 1,436.1 minutes |
| Epoch | May 6, 2017[2] |
| Transponders | |
| Band | 28 C Band, 3 Ku band |
| Coverage area | Americas, Europe |
Intelsat 8 | |
Intelsat 805 is a communications satellite operated by Intelsat. Launched in 1998, it was operated in geostationary orbit at a longitude of 55.5 degrees west for around 14 years.
Launch
The launch of Intelsat 805 made use of an Atlas II rocket flying from Cape Canaveral Air Force Station , Florida, United States . The launch took place at 22:48 UTC on June 18, 1998, with the spacecraft entering a geosynchronous transfer orbit. Intelsat 805 subsequently fired its apogee motor to achieve geostationary orbit.
Technical details
| C-Band slot chart | |||||
|---|---|---|---|---|---|
| Slot | Uplink (GHz) | Downlink (GHz) | Hemi A | Hemi B | Bandwidth (MHz) |
| 7' | 6.467 | 3.442 | 13'A | 23'A | 36 |
| 6' | 6.507 | 3.442 | 12'B | 22'B | 36 |
| 5' | 6.547 | 3.482 | 12'A | 22'A | 36 |
| 4' | 6.587 | 3.562 | 11'B | 21'B | 36 |
| 3' | 6.627 | 3.602 | 11'A | 21'A | 36 |
| '1 | 5.908 | 3.683 | 10'A | 20'A | 36 |
| 1-2 | 5.970 | 3.745 | 11 | 21 | 72 |
| 3-4 | 6.050 | 3.825 | 12 | 22 | 72 |
| 5-6 | 6.130 | 3.905 | 13 | 23 | 72 |
| 7-8 | 6.220 | 3.995 | 14 | 24 | 72 |
| 9 | 6.280 | 4.055 | 15 | 25 | 36 |
| 10 | 6.320 | 4.095 | 16 | 26 | 36 |
| 11 | 6.360 | 4.135 | 17 | 27 | 36 |
| 12 | 6.4025 | 4.1775 | 18 | 28 | 41 |
| Ku-band slot chart | ||||
|---|---|---|---|---|
| Slot | Uplink (GHz) Polariztion H |
Downlink (GHz) Polarization V |
Spot 1 | Bandwidth (MHz) |
| 1-2 | 14.0425 | 12.5475 | 361 | 77 |
| 3-4 | 14.125 | 12.630 | 362 | 72 |
| 5-6 | 14.205 | 12.701 | 363 | 72 |
References
- ↑ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. http://planet4589.org/space/log/launchlog.txt.
- ↑ "INTELSAT 805". N2YO. http://www.n2yo.com/satellite/?s=25371.
 |  |
