Padside
Menu

United States Air ForceAtlas SLV-3D CentaurLaunch Complex 36B, Cape Canaveral SFS, FL, USA

Comstar 1B

Launched

July 22, 1976

Launch Successful

Image: NASA Marshall Space Flight Center

Summary

Comstar 1B launched on an United States Air Force Atlas SLV-3D Centaur from Launch Complex 36B, Cape Canaveral SFS, FL, USA on July 22, 1976. It was United States Air Force's 673rd launch, 18th this year and humanity's 1,857th orbital launch attempt. It was the 10th Atlas SLV-3D Centaur flight and the 3rd this year. The payload was bound for Geostationary Orbit (Direct-GEO). Comstar 202, one of 2 catalogued objects, reached a 556 × 35,737 km orbit inclined 21.8°. 2 objects from this launch are catalogued, one of them a payload.

Watch
No webcast on record.
Vehicle
Atlas SLV-3D Centaur · United States Air Force
Booster
No booster details on record.
Mission
Communications · Geostationary Orbit (Direct-GEO)
Milestone
10th Atlas SLV-3D Centaur flight · 3rd this yearUnited States Air Force's 673rd launch18th this yearhumanity's 1,857th orbital launch attempt74th orbital launch attempt this year

Flight preview

Orbit: as tracked

21.8°Inclination
556 × 35737 kmPerigee × apogeefrom mean elements
636.7 minPeriodfrom mean elements
86.1°Ascending node
18347 d agoElement epoch1976-07-22 17:17 UTC · stale

Comstar 202 · NORAD 9047 · 1976-073 · Space-Track · tracking 1 of 2 objects

Show the numbers for orbit elements
Object
COMSTAR 2
Object ID
1976-073A
Epoch
1976-07-22 17:17:10 UTC
Mean motion
2.26148701 rev/day
Eccentricity
0.717478
Inclination
21.838°
Ascending node
86.1389°
Arg. of perigee
178.936°
Mean anomaly
184.5042°
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: Direct-GEO. Ascent drawn from padside's representative profile.

Catalogued objects

2 catalogued: 1 payload, 1 rocket stage; 2 still in orbit

  • Comstar 202 · NORAD 9047 · in orbit

Centaur AC-40 · in orbit

Data from J. McDowell, planet4589.org

About this launch

Geostationary communications satellite built by Hughes Aircraft Company

Pad

Map of Launch Complex 36B

Launch Complex 36B, Cape Canaveral SFS, FL, USA

19th launch from Launch Complex 36B, 2nd this year · 316th from Cape Canaveral SFS, FL, USA

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

174 days after the previous launch from this pad

Questions

When did Comstar 1B launch?

Comstar 1B launched on July 22, 1976. The time is known to the hour, not the minute.

Where can I watch Comstar 1B?

No webcast is on record for this launch.

What rocket launched Comstar 1B?

Atlas SLV-3D Centaur, flown by United States Air Force. Atlas SLV-3D Centaur spec sheet

Where did Comstar 1B launch from?

Launch Complex 36B, Cape Canaveral SFS, FL, USA.

What orbit did Comstar 1B reach?

Comstar 202, one of 2 catalogued objects, reached a 556 × 35,737 km orbit inclined 21.8°.

How many satellites did Comstar 1B launch?

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