Koreasat 3 --> ABS 7 |
South Korea |
International Sat. n°: |
S. Korea satellite n°: 6 |
Designation: | 25894 / 99046A |
Launch date | 04 Sep 1999 - 22:34 UT |
Launch site | Kourou, ELA2 |
Launch vehicle: | Ariane-42P (V120) |
Mission: | Communications: |
Geostationary orbit on: | |
Perigee / Apogee | km |
Inclination | ° |
Period | min |
Prime contractor | Lockheed Martin |
Operator | Korea Telecom --> Asia Broadcast Satellite (since 2010) |
Platform | Sunnyvale A2100A |
Mass at launch | 2790 kg |
Dry mass | 1332 kg |
Dimension | |
Solar array | 2 deployable solar arrays |
Stabilization | |
Equipment | 24 Ku-Band, 6 Ku-Band, 3 Ka-Band transponders |
DC power | 4700 W |
Design lifetime | 15 years |
Begin | End | Position |
L: 4 Sep 1999 | Dec 1999 | 112.5°E |
28 Dec 1999 | 116°E |
Main transponders | 6 |
Backup transponders | 3 |
Power | 120 W |
Bandwidth | 27 MHz |
Coverage | South Korea |
EIRP max | 59.4 dBW |
G/T max | 14.0 dB/K |
Polarization | LHCP (up and down) |
Beam coverage | 0.82° x 0.67° uplink; 1.06° x 0.86° downlink |
Main transponders | group-1 12 + group-2 12 |
Backup transponders | 8 |
Power | 45 W |
Bandwidth | 36 MHz |
Coverage |
G1:South Korea G2: South Korea or South-East Asia (steerable) |
EIRP max |
G1:
50.5 dBW G2 South Korea: 55.1 dBW G2 South-East Asia: 50.2 dBW |
G/T max |
G1:
13.6 dB/K G2 South Korea: 13.7 dB/K G2 South-East Asia: 8.0 dB/K |
Polarization |
G1:
H uplink, V downlink G2: V uplink, H downlink |
Beam Coverage |
G1:
0.74° x 0.74° uplink; 0.86° x 0.86° downlink G2 South-East Asia: 3.0° circular |
Main transponders | 3 |
Backup transponders | 2 |
Power | 70 W |
Bandwidth | 200 MHz |
Coverage | Korean peninsula |
EIRP max | 55.0 dBW |
G/T max | 9.4 dB/K |
Polarization | RHCP uplink; LHCP downlink |
Beam coverage | 1.2° x 1.0° |