United States Air ForceThor Burner 2Space Launch Complex 10W, Vandenberg SFB, CA, USA
DSAP-5A F2
Launched
September 3, 1970
Summary
DSAP-5A F2 launched on an United States Air Force Thor Burner 2 from Space Launch Complex 10W, Vandenberg SFB, CA, USA on September 3, 1970. It was United States Air Force's 531st launch, 22nd this year and humanity's 1,123rd orbital launch attempt. It was the 10th Thor Burner 2 flight and the 2nd this year. The payload was bound for Sun-Synchronous Orbit (SSO). DAPP 2525, one of 2 catalogued objects, reached a 750 × 855 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
- Government/Top Secret · Sun-Synchronous Orbit (SSO)
- Milestone
- 10th Thor Burner 2 flight · 2nd this yearUnited States Air Force's 531st launch22nd this yearhumanity's 1,123rd orbital launch attempt77th orbital launch attempt this year
Flight preview
Orbit: as tracked
DAPP 2525 · NORAD 4512 · 1970-070 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- OPS 0203 (DMSP 5A F2)
- Object ID
- 1970-070A
- Epoch
- 1970-09-03 13:08:24 UTC
- Mean motion
- 14.29037801 rev/day
- Eccentricity
- 0.00733
- Inclination
- 98.7512°
- Ascending node
- 166.7789°
- Arg. of perigee
- 1.6144°
- Mean anomaly
- 358.5209°
- Element set
- 999
- Rev at epoch
- 3
- 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
- DAPP 2525 · NORAD 4512 · in orbit
Burner II No. 13 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Military meteorological satellite
Pad

Space Launch Complex 10W, Vandenberg SFB, CA, USA
16th launch from Space Launch Complex 10W, 2nd this year · 353rd from Vandenberg SFB, CA, USA
31 launches from this pad · 919 from Vandenberg SFB, CA, USA
203 days after the previous launch from this pad
Questions
When did DSAP-5A F2 launch?
DSAP-5A F2 launched on September 3, 1970. The time is known to the hour, not the minute.
Where can I watch DSAP-5A F2?
No webcast is on record for this launch.
What rocket launched DSAP-5A F2?
Thor Burner 2, flown by United States Air Force. Thor Burner 2 spec sheet
Where did DSAP-5A F2 launch from?
Space Launch Complex 10W, Vandenberg SFB, CA, USA.
What orbit did DSAP-5A F2 reach?
DAPP 2525, one of 2 catalogued objects, reached a 750 × 855 km orbit inclined 98.8°.
How many satellites did DSAP-5A F2 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).