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

DSAP-4B F3

Launched

July 23, 1969

Launch Successful

Summary

DSAP-4B F3 launched on an United States Air Force Thor Burner 2 from Space Launch Complex 10W, Vandenberg SFB, CA, USA on July 23, 1969. It was United States Air Force's 497th launch, 23rd this year and humanity's 992nd orbital launch attempt. It was the 8th Thor Burner 2 flight and the 1st this year. The payload was bound for Sun-Synchronous Orbit (SSO). OPS 1127, one of 2 catalogued objects, reached a 779 × 880 km orbit inclined 98.8°. 2 objects from this launch are catalogued, one of them a payload.

Watch
No webcast on record.
Vehicle
Thor Burner 2 · United States Air Force
Booster
No booster details on record.
Mission
Earth Science · Sun-Synchronous Orbit (SSO)
Milestone
8th Thor Burner 2 flight · 1st this yearUnited States Air Force's 497th launch23rd this yearhumanity's 992nd orbital launch attempt73rd orbital launch attempt this year

Flight preview

Orbit: as tracked

98.8°Inclination
779 × 880 kmPerigee × apogeefrom mean elements
101.3 minPeriodfrom mean elements
65.2°Ascending node
20904 d agoElement epoch1969-07-23 07:27 UTC · stale

OPS 1127 · NORAD 4047 · 1969-062 · Space-Track · tracking 1 of 2 objects

Show the numbers for orbit elements
Object
OPS 1127 (DMSP 4B F3)
Object ID
1969-062A
Epoch
1969-07-23 07:27:55 UTC
Mean motion
14.20971983 rev/day
Eccentricity
0.007005
Inclination
98.8096°
Ascending node
65.2481°
Arg. of perigee
8.0956°
Mean anomaly
352.1343°
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: SSO. Ascent drawn from padside's representative profile.

Catalogued objects

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

  • OPS 1127 · NORAD 4047 · in orbit

Burner II No. 7 · in orbit

Data from J. McDowell, planet4589.org

About this launch

DSAP-4B (Defense Satellite Application Program Block 4B) was the sixth version of the military meteorological satellites of the Defense Meteorological Satellite Program.

Pad

Map of Space Launch Complex 10W

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

14th launch from Space Launch Complex 10W, 1st this year · 330th from Vandenberg SFB, CA, USA

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

273 days after the previous launch from this pad

Questions

When did DSAP-4B F3 launch?

DSAP-4B F3 launched on July 23, 1969. The time is known to the hour, not the minute.

Where can I watch DSAP-4B F3?

No webcast is on record for this launch.

What rocket launched DSAP-4B F3?

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

Where did DSAP-4B F3 launch from?

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

What orbit did DSAP-4B F3 reach?

OPS 1127, one of 2 catalogued objects, reached a 779 × 880 km orbit inclined 98.8°.

How many satellites did DSAP-4B F3 launch?

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