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United States Air ForceDelta II 6925Space Launch Complex 17A, Cape Canaveral SFS, FL, USA

GPS-2 9

Launched

October 1, 1990

Launch Successful

Summary

GPS-2 9 launched on an United States Air Force Delta II 6925 from Space Launch Complex 17A, Cape Canaveral SFS, FL, USA on October 1, 1990. It was United States Air Force's 888th launch, 12th this year and humanity's 3,568th orbital launch attempt. It was the 10th Delta II 6925 flight and the 5th this year. The payload was bound for Medium Earth Orbit (MEO). GPS II-9, one of 3 catalogued objects, reached a 172 × 20,417 km orbit inclined 37.6°. 3 objects from this launch are catalogued, one of them a payload.

Watch
No webcast on record.
Vehicle
Delta II 6925 · United States Air ForceGlobal Positioning System
Booster
No booster details on record.
Mission
Navigation · Medium Earth Orbit (MEO)
Milestone
10th Delta II 6925 flight · 5th this yearUnited States Air Force's 888th launch12th this yearhumanity's 3,568th orbital launch attempt92nd orbital launch attempt this year

Flight preview

Orbit: as tracked

37.6°Inclination
172 × 20417 kmPerigee × apogeefrom mean elements
356.8 minPeriodfrom mean elements
129.7°Ascending node
13163 d agoElement epoch1990-10-02 06:15 UTC · stale

GPS II-9 · NORAD 20830 · 1990-088 · Space-Track · tracking 1 of 3 objects

Show the numbers for orbit elements
Object
NAVSTAR 21 (USA 64)
Object ID
1990-088A
Epoch
1990-10-02 06:15:05 UTC
Mean motion
4.03536823 rev/day
Eccentricity
0.6074012
Inclination
37.6413°
Ascending node
129.6724°
Arg. of perigee
199.4843°
Mean anomaly
120.7794°
Element set
999
Rev at epoch
2
B*
0

Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: MEO. Ascent drawn from padside's representative profile.

Catalogued objects

3 catalogued: 1 payload, 2 rocket stages; 1 still in orbit

  • GPS II-9 · NORAD 20830 · in orbit

Delta 199 · re-entered October 10, 1990

Delta 199 Stage 3 · re-entered June 18, 1991

Data from J. McDowell, planet4589.org

About this launch

Second generation GPS navigation satellite

Pad

Map of Space Launch Complex 17A

Space Launch Complex 17A, Cape Canaveral SFS, FL, USA

94th launch from Space Launch Complex 17A, 5th this year · 439th from Cape Canaveral SFS, FL, USA

145 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA

60 days after the previous launch from this pad

Questions

When did GPS-2 9 launch?

GPS-2 9 launched on October 1, 1990. The time is known to the hour, not the minute.

Where can I watch GPS-2 9?

No webcast is on record for this launch.

What rocket launched GPS-2 9?

Delta II 6925, flown by United States Air Force. Delta II 6925 spec sheet

Where did GPS-2 9 launch from?

Space Launch Complex 17A, Cape Canaveral SFS, FL, USA.

What orbit did GPS-2 9 reach?

GPS II-9, one of 3 catalogued objects, reached a 172 × 20,417 km orbit inclined 37.6°.

How many satellites did GPS-2 9 launch?

1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).

Which program is GPS-2 9 part of?

Global Positioning System. About Global Positioning System