United States Air ForceThor Burner 2Space Launch Complex 10W, Vandenberg SFB, CA, USA
DSAP-5A F3
Launched
February 17, 1971
Summary
DSAP-5A F3 launched on an United States Air Force Thor Burner 2 from Space Launch Complex 10W, Vandenberg SFB, CA, USA on February 17, 1971. It was United States Air Force's 540th launch, 4th this year and humanity's 1,184th orbital launch attempt. It was the 11th Thor Burner 2 flight and the 1st this year. The payload was bound for Sun-Synchronous Orbit (SSO). DAPP 3526, one of 5 catalogued objects, reached a 771 × 837 km orbit inclined 98.8°. 5 objects from this launch are catalogued, 4 of them payloads.
- 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
- 11th Thor Burner 2 flight · 1st this yearUnited States Air Force's 540th launch4th this yearhumanity's 1,184th orbital launch attempt13th orbital launch attempt this year
Flight preview
Orbit: as tracked
DAPP 3526 · NORAD 4953 · 1971-012 · Space-Track · tracking 1 of 5 objects
Show the numbers for orbit elements
- Object
- OPS 5268 (DMSP 5A F3)
- Object ID
- 1971-012A
- Epoch
- 1971-02-17 10:00:56 UTC
- Mean motion
- 14.28433418 rev/day
- Eccentricity
- 0.0045952
- Inclination
- 98.8485°
- Ascending node
- 259.338°
- Arg. of perigee
- 353.1971°
- Mean anomaly
- 6.8531°
- Element set
- 999
- Rev at epoch
- 4
- 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
5 catalogued: 4 payloads, 1 rocket stage; 2 still in orbit
- DAPP 3526 · NORAD 4953 · in orbit
- S70-4 Drag Sphere · NORAD 4957 · re-entered October 17, 1989
- S70-4 Drag Sphere · NORAD 4958 · re-entered September 20, 1989
- S70-4 Drag Sphere · NORAD 4963 · re-entered January 7, 1990
Burner II No. 11 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Military meteorological satellite
Pad
Space Launch Complex 10W, Vandenberg SFB, CA, USA
17th launch from Space Launch Complex 10W, 1st this year · 358th from Vandenberg SFB, CA, USA
31 launches from this pad · 919 from Vandenberg SFB, CA, USA
166 days after the previous launch from this pad
Questions
When did DSAP-5A F3 launch?
DSAP-5A F3 launched on February 17, 1971. The time is known to the hour, not the minute.
Where can I watch DSAP-5A F3?
No webcast is on record for this launch.
What rocket launched DSAP-5A F3?
Thor Burner 2, flown by United States Air Force. Thor Burner 2 spec sheet
Where did DSAP-5A F3 launch from?
Space Launch Complex 10W, Vandenberg SFB, CA, USA.
What orbit did DSAP-5A F3 reach?
DAPP 3526, one of 5 catalogued objects, reached a 771 × 837 km orbit inclined 98.8°.
How many satellites did DSAP-5A F3 launch?
4 payloads from this launch are catalogued, 1 of them still in orbit (Data from J. McDowell, planet4589.org).