American military strategic defense satellite. 3 launches, 1994.05.19 (STEP 2 (SIDEX)) to 1997.10.22 (STEP-4).
Gross mass: 180 kg (390 lb).
First Launch: 1994.05.19.
Last Launch: 1997.10.22.
Number: 3 .
More... - Chronology...
Associated Countries
See also
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Pegasus Privately-funded, air-launched winged light satellite launcher. More...
Associated Launch Vehicles
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Pegasus American air-launched orbital launch vehicle. Privately-funded, air-launched winged light satellite launcher. More...
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Pegasus/HAPS 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 More...
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Pegasus XL American air-launched orbital launch vehicle. Uprated version of Pegasus air-launched winged light satellite launcher. 4 stage vehicle consisting of 1 x L-1011 + 1 x Pegasus XL stage 1 + 1 x Orion 50XL + 1 x Orion 38. More...
Associated Manufacturers and Agencies
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USAF American agency overseeing development of rockets and spacecraft. United States Air Force, USA. More...
Associated Programs
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STEP Space Test Experiment Program; series of USAF technology test satellites. More...
Bibliography
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McDowell, Jonathan, Jonathan's Space Home Page (launch records), Harvard University, 1997-present. Web Address when accessed: here.
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McDowell, Jonathan, Jonathan's Space Report (Internet Newsletter), Harvard University, Weekly, 1989 to Present. Web Address when accessed: here.
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Krebs, Gunter, Gunter's Space Page, University of Frankfurt, 1996. Web Address when accessed: here.
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JPL Mission and Spacecraft Library, Jet Propulsion Laboratory, 1997. Web Address when accessed: here.
Associated Launch Sites
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Point Arguello WADZ Air-launched rocket drop zone known to have been used for 28 launches from 1990 to 2007, reaching up to 4539 kilometers altitude. More...
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Wallops Island DZ Air-launched rocket drop zone known to have been used for 6 launches from 1996 to 1999, reaching up to 834 kilometers altitude. More...
Eagle Chronology
1994 May 19 - .
17:03 GMT - .
Launch Site:
Point Arguello WADZ.
Launch Pad: 36.0 N x 123.0 W.
Launch Platform: NB-52 008.
LV Family:
Pegasus.
Launch Vehicle:
Pegasus/HAPS.
LV Configuration: Pegasus/HAPS 005/F5.
- 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. Summary: Did not achieve planned orbit, though still useful. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .
1994 June 27 - .
21:15 GMT - .
Launch Site:
Point Arguello WADZ.
Launch Pad: 36.0 N x 123.0 W.
Launch Platform: L-1011.
LV Family:
Pegasus.
Launch Vehicle:
Pegasus XL.
LV Configuration: Pegasus XL F6.
FAILURE: Destroyed on launch .
Failed Stage: 1.
- STEP 1 - .
Payload: STEP M1 / P90-1. Nation: USA. Agency: OSC. Program: STEP. Class: Military. Type: Strategic defense satellite. Spacecraft: Eagle. COSPAR: F940627A. Apogee: 38 km (23 mi). Summary: Destroyed on launch .
1997 October 22 - .
13:13 GMT - .
Launch Site:
Wallops Island DZ.
Launch Pad: 37.0 N x 72.0 W.
Launch Platform: L-1011.
LV Family:
Pegasus.
Launch Vehicle:
Pegasus XL.
LV Configuration: Pegasus XL F18.
- STEP-4 - .
Payload: STEP M4. Nation: USA. Agency: USAF STP. Program: STEP. Class: Military. Type: Strategic defense satellite. Spacecraft: Eagle. Decay Date: 2001-03-31 . USAF Sat Cat: 25013 . COSPAR: 1997-063A. Apogee: 500 km (310 mi). Perigee: 432 km (268 mi). Inclination: 45.0000 deg. Period: 93.80 min.
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