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United States Air ForceDelta II 7920-10CSpace Launch Complex 2W, Vandenberg SFB, CA, USA
Iridium 91
Launched
February 11, 2002
Summary
Iridium 91 launched on an United States Air Force Delta II 7920-10C from Space Launch Complex 2W, Vandenberg SFB, CA, USA on February 11, 2002. It was United States Air Force's 1,041st launch, 2nd this year and humanity's 4,516th orbital launch attempt. It was the 12th Delta II 7920-10C flight and the 1st this year. The payload was bound for low Earth orbit (LEO). Iridium 91, one of 10 catalogued objects, reached a 631 × 648 km orbit inclined 86.6°. 10 objects from this launch are catalogued, 5 of them payloads.
- Watch
- No webcast on record.
- Vehicle
- Delta II 7920-10C · United States Air ForceIridium Constellation
- Booster
- No booster details on record.
- Mission
- Communications · Low Earth Orbit (LEO)
- Milestone
- 12th Delta II 7920-10C flight · 1st this yearUnited States Air Force's 1,041st launch2nd this yearhumanity's 4,516th orbital launch attempt5th orbital launch attempt this year
Flight preview
Orbit: as tracked
Iridium 91 · NORAD 27372 · 2002-005 · Space-Track · tracking 1 of 10 objects
Show the numbers for orbit elements
- Object
- PAYLOAD A
- Object ID
- 2002-005A
- Epoch
- 2002-02-11 18:42:51 UTC
- Mean motion
- 14.79043159 rev/day
- Eccentricity
- 0.0012708
- Inclination
- 86.579°
- Ascending node
- 109.3244°
- Arg. of perigee
- 241.3505°
- Mean anomaly
- 118.6455°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent drawn from padside's representative profile.
Catalogued objects
10 catalogued: 5 payloads, 1 rocket stage, 4 debris; none still in orbit
- Iridium 91 · NORAD 27372 · re-entered March 13, 2019
- Iridium 90 · NORAD 27373 · re-entered January 23, 2019
- Iridium 94 · NORAD 27374 · re-entered April 18, 2018
- Iridium 95 · NORAD 27375 · re-entered March 25, 2019
- Iridium 96 · NORAD 27376 · re-entered May 30, 2020
Delta 290 · re-entered September 16, 2002
Data from J. McDowell, planet4589.org
About this launch
Civilian communications satellite.
Pad
Space Launch Complex 2W, Vandenberg SFB, CA, USA
68th launch from Space Launch Complex 2W, 1st this year · 610th from Vandenberg SFB, CA, USA
99 launches from this pad · 919 from Vandenberg SFB, CA, USA
66 days after the previous launch from this pad
Questions
When did Iridium 91 launch?
Iridium 91 launched on February 11, 2002. The time is known to the hour, not the minute.
Where can I watch Iridium 91?
No webcast is on record for this launch.
What rocket launched Iridium 91?
Delta II 7920-10C, flown by United States Air Force. Delta II 7920-10C spec sheet
Where did Iridium 91 launch from?
Space Launch Complex 2W, Vandenberg SFB, CA, USA.
What orbit did Iridium 91 reach?
Iridium 91, one of 10 catalogued objects, reached a 631 × 648 km orbit inclined 86.6°.
How many satellites did Iridium 91 launch?
5 payloads from this launch are catalogued, none of them still in orbit (Data from J. McDowell, planet4589.org).
Which program is Iridium 91 part of?
Iridium Constellation. About Iridium Constellation