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Atlas V 421

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Status: Active. First Launch: 2007-10-11. Last Launch: 2017-10-15. Number: 6 . Payload: 10,168 kg (22,416 lb). Thrust: 6,549.00 kN (1,472,273 lbf). Gross mass: 435,000 kg (959,000 lb). Height: 59.10 m (193.80 ft). Diameter: 3.81 m (12.49 ft). Span: 6.91 m (22.67 ft).

• USA 195 - . Payload: WGS 1. Mass: 5,987 kg (13,199 lb). Nation: USA. Agency: Martin. Class: Communications. Type: Military communications satellite. Spacecraft: HS 702. USAF Sat Cat: 32258 . COSPAR: 2007-046A. Apogee: 39,016 km (24,243 mi). Perigee: 32,586 km (20,247 mi). Inclination: 0.20 deg. Period: 1,436.80 min. First USAF Wideband Global Satcom satellite, designed to replace the DSCS series, was placed by the Atlas booster in an initial 477 km x 66,847 km x 20.1 deg geosynchronous transfer orbit. The satellite carried X-band and Ka-band communications payloads..

• ICO G1 - . Mass: 6,600 kg (14,500 lb). Nation: USA. Agency: Martin. Class: Communications. Type: Civilian communications satellite. Spacecraft: FS-1300. USAF Sat Cat: 32763 . COSPAR: 2008-016A. Apogee: 35,800 km (22,200 mi). Perigee: 35,774 km (22,228 mi). Inclination: 6.00 deg. Period: 1,436.10 min. The satellite was to provide mobile communications services for ICO Global Communications, a successor company to Teledesic..

• USA 204 - . Payload: WGS 2. Mass: 5,987 kg (13,199 lb). Nation: USA. Agency: Martin. Class: Communications. Type: Military communications satellite. Spacecraft: HS 702. USAF Sat Cat: 34713 . COSPAR: 2009-017A. Apogee: 35,452 km (22,028 mi). Perigee: 35,397 km (21,994 mi). Inclination: 0.10 deg. Period: 1,417.60 min. Wideband Global Satcom; provided communications for the US Dept. of Defense Central Command (CENTCOM)..

• MMS 1 - . Mass: 1,400 kg (3,000 lb). Nation: USA. Class: Science. Type: Science satellite. Spacecraft: MMS. USAF Sat Cat: 40482 . COSPAR: 2015-011A. Apogee: 70,094 km (43,554 mi). Perigee: 1,371 km (851 mi). Inclination: 28.86 deg. Period: 1,433.33 min.

  NASA's Magnetospheric Multiscale Mission was launched on Mar 13. The mission consists of four identical spacecraft, each with a mass of 1000 kg plus 400 kg of propellant. The spacecraft will fly in a tetrahedral formation some tens of kilometres apart to disentangle spatial and temporal fluctuations in the magnetospheric particle and field environment. They will deploy wire booms with a span of 112 metres to measure electric fields. Additional Details: here....

• MMS 2 - . Mass: 1,400 kg (3,000 lb). Nation: USA. Class: Science. Type: Science satellite. Spacecraft: MMS. USAF Sat Cat: 40483 . COSPAR: 2015-011B. Apogee: 70,110 km (43,560 mi). Perigee: 1,356 km (842 mi). Inclination: 28.84 deg. Period: 1,433.36 min.

• MMS 3 - . Mass: 1,400 kg (3,000 lb). Nation: USA. Class: Science. Type: Science satellite. Spacecraft: MMS. USAF Sat Cat: 40484 . COSPAR: 2015-011C. Apogee: 70,228 km (43,637 mi). Perigee: 1,238 km (769 mi). Inclination: 28.84 deg. Period: 1,433.35 min.

• MMS 4 - . Mass: 1,400 kg (3,000 lb). Nation: USA. Class: Science. Type: Science satellite. Spacecraft: MMS. USAF Sat Cat: 40485 . COSPAR: 2015-011D. Apogee: 70,094 km (43,554 mi). Perigee: 1,372 km (852 mi). Inclination: 28.85 deg. Period: 1,433.35 min.

• Morelos-3 - . Payload: Boeing 702HP GeoMobile. Mass: 5,400 kg (11,900 lb). Nation: Mexico. Class: Communications. Type: Communications satellite. Spacecraft: HS 702. USAF Sat Cat: 40946 . COSPAR: 2015-056A. Apogee: 35,790 km (22,230 mi). Perigee: 35,783 km (22,234 mi). Inclination: 7.09 deg. Period: 1,436.09 min. Mexican communications satellite with a 22-metre L-band antenna reflector..

• USA 279 - . Payload: QUASAR 20?. Nation: USA. USAF Sat Cat: 42949 . COSPAR: 2017-066A. See Quasar 21 (SDS-4 2, USA 279, NROL 52) ?. ..