Launch data:
| Designation
|
25116
/ 97084E
|
|
Launch
date
|
23
Dec 1997
|
| Launch site | WI, L-1011, RW04/22 |
| Launch vehicle |
Pegasus-XL HAPS (#19) |
| Mission
| Telecommunications
|
|
Perigee/Apogee
|
815
/ 822 km
|
|
Inclination
|
45°
|
|
Period
|
|
Spacecraft data:
| Prime contractor | OSC |
| Operator | |
| Platform | Microstar |
| Mass at launch | 40 kg |
| Mass in orbit | |
| Diameter | 1.04 m stowed |
| Height | 0.165 m stowed |
| Width | 2.2235 m deployed |
| Stabilization | gravity gradient |
| DC power | |
| Design lifetime | |
| Telemetry | 57.6 kbps in VHF |
Deploys a 3.28 m long VHF/UHF communications antenna.
Frequencies
Gateway to satellite: 148 - 149.9 MHz (57.6 kbps)
Satellite to client: 137 - 138 MHz (4.8 kbps)
Client to satellite: 148 - 149.9 MHz (2.4 kbps)
Satellite to gateway: 137 - 138 MHz (57.6 kbps)
Beacons: 400.05 - 400.15 MHz (often 400.100 MHz)
Addressing based on X400 protocol. Signals in symmetric differential PSK
(SDPSK)
Plane A
Main downlink: 137.7175 MHz
Ref: #15 - 29.12.10