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Pegasus/HAPS
Part of Pegasus Family
American air-launched orbital launch vehicle. Five stage version consisting of 1 x NB-52 + 1 x Orion 50S + 1 x Orion 50 + 1 x Orion 38 + 1 x HAPS

Status: Retired 1994. First Launch: 1991-07-17. Last Launch: 1994-05-19. Number: 2 . Payload: 250 kg (550 lb). Thrust: 580.00 kN (130,380 lbf). Gross mass: 18,500 kg (40,700 lb). Height: 15.50 m (50.80 ft). Diameter: 1.28 m (4.19 ft). Apogee: 4,000 km (2,400 mi).

LEO Payload: 250 kg (550 lb).


More at: Pegasus/HAPS.

Family: aircraft-launched, orbital launch vehicle. Country: USA. Spacecraft: Microsat, Eagle, STEP. Launch Sites: Point Arguello WADZ. Stages: Pegasus-4, L-1011, Pegasus-1, Pegasus-2, Pegasus-3. Agency: OSC.

1991 July 17 - . 17:33 GMT - . Launch Site: Point Arguello. Launch Complex: Point Arguello WADZ. Launch Pad: Aircraft from Edwards.. Launch Platform: NB-52 008. LV Family: Pegasus. Launch Vehicle: Pegasus/HAPS. Failed Stage: G.
  • Microsat 1 - . Payload: Microsat 1 / ... / Microsat 7. Mass: 22 kg (48 lb). Nation: USA. Agency: DARPA. Class: Technology. Type: Communications technology satellite. Spacecraft: Microsat. Decay Date: 1992-01-23 . USAF Sat Cat: 21580 . COSPAR: 1991-051A. Apogee: 454 km (282 mi). Perigee: 356 km (221 mi). Inclination: 82.0000 deg. Period: 92.70 min. Test of LEO network for global communications. Air dropped in Point Arguello WADZ..
  • Microsat 2 - . Mass: 22 kg (48 lb). Nation: USA. Agency: DARPA. Class: Technology. Type: Communications technology satellite. Spacecraft: Microsat. Decay Date: 1992-01-23 . USAF Sat Cat: 21581 . COSPAR: 1991-051B. Apogee: 454 km (282 mi). Perigee: 355 km (220 mi). Inclination: 82.0000 deg. Period: 92.70 min. Test of LEO network for global communications. Air dropped in Point Arguello WADZ..
  • Microsat 3 - . Mass: 22 kg (48 lb). Nation: USA. Agency: DARPA. Class: Technology. Type: Communications technology satellite. Spacecraft: Microsat. Decay Date: 1992-01-24 . USAF Sat Cat: 21582 . COSPAR: 1991-051C. Apogee: 454 km (282 mi). Perigee: 355 km (220 mi). Inclination: 82.0000 deg. Period: 92.70 min. Test of LEO network for global communications. Air dropped in Point Arguello WADZ..
  • Microsat 4 - . Mass: 22 kg (48 lb). Nation: USA. Agency: DARPA. Class: Technology. Type: Communications technology satellite. Spacecraft: Microsat. Decay Date: 1992-01-23 . USAF Sat Cat: 21583 . COSPAR: 1991-051D. Apogee: 454 km (282 mi). Perigee: 355 km (220 mi). Inclination: 82.0000 deg. Period: 92.70 min. Test of LEO network for global communications. Air dropped in Point Arguello WADZ..
  • Microsat 5 - . Mass: 22 kg (48 lb). Nation: USA. Agency: DARPA. Class: Technology. Type: Communications technology satellite. Spacecraft: Microsat. Decay Date: 1992-01-24 . USAF Sat Cat: 21584 . COSPAR: 1991-051E. Apogee: 455 km (282 mi). Perigee: 355 km (220 mi). Inclination: 82.0000 deg. Period: 92.70 min. Test of LEO network for global communications. Air dropped in Point Arguello WADZ..
  • Microsat 6 - . Mass: 22 kg (48 lb). Nation: USA. Agency: DARPA. Class: Technology. Type: Communications technology satellite. Spacecraft: Microsat. Decay Date: 1992-01-25 . USAF Sat Cat: 21585 . COSPAR: 1991-051F. Apogee: 454 km (282 mi). Perigee: 355 km (220 mi). Inclination: 82.0000 deg. Period: 92.70 min. Test of LEO network for global communications. Air dropped in Point Arguello WADZ..
  • Microsat 7 - . Mass: 22 kg (48 lb). Nation: USA. Agency: DARPA. Class: Technology. Type: Communications technology satellite. Spacecraft: Microsat. Decay Date: 1992-01-23 . USAF Sat Cat: 21586 . COSPAR: 1991-051G. Apogee: 452 km (280 mi). Perigee: 358 km (222 mi). Inclination: 82.0000 deg. Period: 92.70 min. Test of LEO network for global communications. Air dropped in Point Arguello WADZ..

1994 May 19 - . 17:03 GMT - . Launch Site: Point Arguello. Launch Complex: Point Arguello WADZ. Launch Pad: Aircraft from Edwards.. Launch Platform: NB-52 008. LV Family: Pegasus. Launch Vehicle: Pegasus/HAPS.
  • STEP 2 (SIDEX) - . Payload: STEP M2 / P 91-A. Mass: 180 kg (390 lb). Nation: USA. Agency: USAF STP. Program: STEP. Class: Military. Type: Strategic defense satellite. Spacecraft: Eagle. USAF Sat Cat: 23105 . COSPAR: 1994-029A. Apogee: 813 km (505 mi). Perigee: 597 km (370 mi). Inclination: 82.0000 deg. Period: 98.90 min. Did not achieve planned orbit, though still useful. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). Air dropped in Point Arguello WADZ..


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