IGS-3A - .
Mass: 850 kg (1,870 lb). Nation: Japan.
Agency: JIDF.
Manufacturer: Melco.
Class: Surveillance.
Type: Military surveillance satellite. Spacecraft: IGS.
Decay Date: 2016-10-29 . USAF Sat Cat: 29393 . COSPAR: 2006-037A. Apogee: 491 km (305 mi). Perigee: 484 km (300 mi). Inclination: 97.30 deg. Information Gathering Satellite / Optical-2 military surveillance satellite, launched to replace IGS O-1 launched in 2003, which demonstrated technical problems. The first replacement, IGS-O-2, was lost in a launch failure in 2003..