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Intelsat-5A (510, 511, 512, 513, 514, 515) / NSS 513 / Columbia 513


The Intelsat 5A series is very similar to the Intelsat 5 series. Modifications include a larger communications payload with internal weight savings to accommodate the additional mass. 3-axis stabilized to 0.4 deg with momentum wheels. Hydrazine propulsion system. Passive thermal control. Dual solar arrays provide 1800 W (BOL). Nickel hydrogen batteries.

The payload consists of 26 C-Band and 6 Ku-Band transponders for 15000 voice circuits and 2 TV channels.

Nation: International, Netherlands (NSS)
Type / Application: Communication
Operator: Intelsat / New Skies (NSS) / Columbia
Contractors: Ford Aerospace
Equipment: 26 C-band transponders, 6 Ku-band transponders
Configuration: Intelsat-5 bus
Propulsion: Star-37XF
Power: 2 deployable solar arrays, batteries
Lifetime: 9 years
Mass: 2013 kg (launch); 1098 kg (BOL)
Orbit: GEO
Satellite COSPAR Date LS Launch Vehicle Remarks
Intelsat-5A 10 → Intelsat 510 1985-025A 22.03.1985 CC LC-36B Atlas-G Centaur-D1AR
Intelsat-5A 11 → Intelsat 511 1985-055A 30.06.1985 CC LC-36B Atlas-G Centaur-D1AR
Intelsat-5A 12 → Intelsat 512 1985-087A 28.09.1985 CC LC-36B Atlas-G Centaur-D1AR
Intelsat-5A 13 → Intelsat 513 → NSS 513 1988-040A 17.05.1988 Ko ELA-1 Ariane-2
Intelsat-5A 14 1986-F05 31.05.1986 Ko ELA-1 F Ariane-2
Intelsat-5A 15 → Intelsat 515 → Columbia 515 → 515 1989-006A 27.01.1989 Ko ELA-1 Ariane-2


Further Intelsat missions:
Further NSS missions:

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