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United States Air ForceThor Burner 2ASpace Launch Complex 10W, Vandenberg SFB, CA, USA

DSAP-5B F1

Launched

October 14, 1971

Launch Successful

Image: Gunter's Space Page

Summary

DSAP-5B F1 launched on an United States Air Force Thor Burner 2A from Space Launch Complex 10W, Vandenberg SFB, CA, USA on October 14, 1971. It was United States Air Force's 557th launch, 21st this year and humanity's 1,269th orbital launch attempt. It was the 1st Thor Burner 2A flight. The payload was bound for Sun-Synchronous Orbit (SSO). DMSP 4527, one of 2 catalogued objects, reached a 801 × 883 km orbit inclined 98.9°. 2 objects from this launch are catalogued, one of them a payload.

Watch
No webcast on record.
Vehicle
Thor Burner 2A · United States Air Force
Booster
No booster details on record.
Mission
Government/Top Secret · Sun-Synchronous Orbit (SSO)
Milestone
1st Thor Burner 2A flightUnited States Air Force's 557th launch21st this yearhumanity's 1,269th orbital launch attempt98th orbital launch attempt this year

Flight preview

Orbit: as tracked

98.9°Inclination
801 × 883 kmPerigee × apogeefrom mean elements
101.6 minPeriodfrom mean elements
194.4°Ascending node
20090 d agoElement epoch1971-10-14 15:42 UTC · stale

DMSP 4527 · NORAD 5557 · 1971-087 · Space-Track · tracking 1 of 2 objects

Show the numbers for orbit elements
Object
OPS 4311 (DMSP 5B F1)
Object ID
1971-087A
Epoch
1971-10-14 15:42:39 UTC
Mean motion
14.17165852 rev/day
Eccentricity
0.005665
Inclination
98.9455°
Ascending node
194.4403°
Arg. of perigee
244.7374°
Mean anomaly
114.7871°
Element set
999
Rev at epoch
5
B*
0

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

Catalogued objects

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

  • DMSP 4527 · NORAD 5557 · in orbit

Burner IIA No. 10 US SV-1 · in orbit

Data from J. McDowell, planet4589.org

About this launch

Military meteorological satellite

Pad

Map of Space Launch Complex 10W

Space Launch Complex 10W, Vandenberg SFB, CA, USA

19th launch from Space Launch Complex 10W, 3rd this year · 370th from Vandenberg SFB, CA, USA

31 launches from this pad · 919 from Vandenberg SFB, CA, USA

127 days after the previous launch from this pad

Questions

When did DSAP-5B F1 launch?

DSAP-5B F1 launched on October 14, 1971. The time is known to the hour, not the minute.

Where can I watch DSAP-5B F1?

No webcast is on record for this launch.

What rocket launched DSAP-5B F1?

Thor Burner 2A, flown by United States Air Force. Thor Burner 2A spec sheet

Where did DSAP-5B F1 launch from?

Space Launch Complex 10W, Vandenberg SFB, CA, USA.

What orbit did DSAP-5B F1 reach?

DMSP 4527, one of 2 catalogued objects, reached a 801 × 883 km orbit inclined 98.9°.

How many satellites did DSAP-5B F1 launch?

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