United States Air ForceThor Burner 2Space Launch Complex 10W, Vandenberg SFB, CA, USA
DSAP-4B F1
Launched
May 23, 1968
Summary
DSAP-4B F1 launched on an United States Air Force Thor Burner 2 from Space Launch Complex 10W, Vandenberg SFB, CA, USA on May 23, 1968. It was United States Air Force's 447th launch, 14th this year and humanity's 835th orbital launch attempt. It was the 6th Thor Burner 2 flight and the 1st this year. The payload was bound for Sun-Synchronous Orbit (SSO). OPS 7869, one of 2 catalogued objects, reached a 825 × 912 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 2 · United States Air Force
- Booster
- No booster details on record.
- Mission
- Earth Science · Sun-Synchronous Orbit (SSO)
- Milestone
- 6th Thor Burner 2 flight · 1st this yearUnited States Air Force's 447th launch14th this yearhumanity's 835th orbital launch attempt47th orbital launch attempt this year
Flight preview
Orbit: as tracked
OPS 7869 · NORAD 3266 · 1968-042 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- OPS 7869 (DMSP 4B F1)
- Object ID
- 1968-042A
- Epoch
- 1968-05-23 14:16:36 UTC
- Mean motion
- 14.09451159 rev/day
- Eccentricity
- 0.0059675
- Inclination
- 98.9224°
- Ascending node
- 5.2487°
- Arg. of perigee
- 72.5478°
- Mean anomaly
- 288.2092°
- Element set
- 999
- Rev at epoch
- 6
- 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 7869 · NORAD 3266 · in orbit
Burner II No. 6 · 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
Space Launch Complex 10W, Vandenberg SFB, CA, USA
12th launch from Space Launch Complex 10W, 1st this year · 298th from Vandenberg SFB, CA, USA
31 launches from this pad · 919 from Vandenberg SFB, CA, USA
224 days after the previous launch from this pad
Questions
When did DSAP-4B F1 launch?
DSAP-4B F1 launched on May 23, 1968. The time is known to the hour, not the minute.
Where can I watch DSAP-4B F1?
No webcast is on record for this launch.
What rocket launched DSAP-4B F1?
Thor Burner 2, flown by United States Air Force. Thor Burner 2 spec sheet
Where did DSAP-4B F1 launch from?
Space Launch Complex 10W, Vandenberg SFB, CA, USA.
What orbit did DSAP-4B F1 reach?
OPS 7869, one of 2 catalogued objects, reached a 825 × 912 km orbit inclined 98.9°.
How many satellites did DSAP-4B F1 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).