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Helios Chronology
1995 July 7 - .
16:23 GMT - .
Launch Site:
Kourou.
Launch Complex:
Kourou ELA2.
LV Family:
Ariane.
Launch Vehicle:
Ariane 40.
LV Configuration: Ariane 40-3 V75.
- Helios 1A - .
Mass: 2,537 kg (5,593 lb). Nation: France. Agency: CNES; DGA. Program: Helios. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Helios 1A-1B. USAF Sat Cat: 23605 . COSPAR: 1995-033A. Apogee: 682 km (423 mi). Perigee: 680 km (420 mi). Inclination: 98.1000 deg. Period: 98.40 min.
1999 December 3 - .
16:22 GMT - .
Launch Site:
Kourou.
Launch Complex:
Kourou ELA2.
LV Family:
Ariane.
Launch Vehicle:
Ariane 40.
LV Configuration: Ariane 40-3 V124.
- Helios 1B - .
Mass: 2,750 kg (6,060 lb). Nation: France. Agency: DGA. Manufacturer: Toulouse. Program: Helios. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Helios 1A-1B. USAF Sat Cat: 25977 . COSPAR: 1999-064A. Apogee: 682 km (423 mi). Perigee: 680 km (420 mi). Inclination: 98.2000 deg. Period: 98.40 min. French optical military reconnaisance satellite based on Spot 4. Taken out of service in mid-October 2004, when the orbit of the satellite was lowered to 637 x 640 km, taking it out of the path of Helios 1A and the Helios 2A that would be launched in December 2004.
2004 December 18 - .
16:26 GMT - .
Launch Site:
Kourou.
Launch Complex:
Kourou ELA3.
LV Family:
Ariane 5.
Launch Vehicle:
Ariane 5Gp.
LV Configuration: Ariane 5G+ V165 (520).
- Helios 2A - .
Mass: 4,200 kg (9,200 lb). Nation: France. Agency: DGA. Manufacturer: EADS Astrium. Program: Helios. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Helios 2. USAF Sat Cat: 28492 . COSPAR: 2004-049A. Apogee: 690 km (420 mi). Perigee: 688 km (427 mi). Inclination: 98.0770 deg. Period: 98.39 min. Summary: First of two new-generation French military surveillance satellites. Last flight of Ariane 5G model. Launch delayed from December 10..
2009 December 18 - .
16:26 GMT - .
Launch Site:
Kourou.
Launch Complex:
Kourou ELA3.
LV Family:
Ariane 5.
Launch Vehicle:
Ariane 5GS.
LV Configuration: Ariane 5GS s/n L532.
- Helios 2B - .
Mass: 4,200 kg (9,200 lb). Nation: France. Agency: Arianespace. Program: Helios. Spacecraft: SPOT-5A-5B. USAF Sat Cat: 36124 . COSPAR: 2009-073A. Apogee: 680 km (420 mi). Perigee: 680 km (420 mi). Inclination: 98.0000 deg. Summary: French military surveillance satellite..
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