United States Air ForceThor MG-18Space Launch Complex 10W, Vandenberg SFB, CA, USA
DSAP-1 F11
Launched
March 18, 1965
Image: USAF
Summary
DSAP-1 F11 launched on an United States Air Force Thor MG-18 from Space Launch Complex 10W, Vandenberg SFB, CA, USA on March 18, 1965. It was United States Air Force's 246th launch, 15th this year and humanity's 418th orbital launch attempt. It was the 2nd Thor MG-18 flight. The payload was bound for Sun-Synchronous Orbit (SSO). OPS 7353, one of 6 catalogued objects, reached a 537 × 761 km orbit inclined 99.0°. 6 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Thor MG-18 · United States Air Force
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Sun-Synchronous Orbit (SSO)
- Milestone
- 2nd Thor MG-18 flightUnited States Air Force's 246th launch15th this yearhumanity's 418th orbital launch attempt25th orbital launch attempt this year
Flight preview
Orbit: as tracked
OPS 7353 · NORAD 1273 · 1965-021 · Space-Track · tracking 1 of 6 objects
Show the numbers for orbit elements
- Object
- OPS 7353
- Object ID
- 1965-021A
- Epoch
- 1965-03-18 18:47:31 UTC
- Mean motion
- 14.75966714 rev/day
- Eccentricity
- 0.0159463
- Inclination
- 99.0127°
- Ascending node
- 301.712°
- Arg. of perigee
- 285.6736°
- Mean anomaly
- 72.5727°
- Element set
- 999
- Rev at epoch
- 9
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: SSO.
Catalogued objects
6 catalogued: 1 payload, 1 rocket stage, 2 debris, 2 components; none still in orbit
- OPS 7353 · NORAD 1273 · re-entered December 31, 1989
MG-18 · re-entered September 6, 1979
Data from J. McDowell, planet4589.org
About this launch
The DSAP-1 (Defense Satellite Application Program Block 1) satellites series, also known as P-35, was the first series of military meteorologal satellites of the USA.
Pad

Space Launch Complex 10W, Vandenberg SFB, CA, USA
2nd launch from Space Launch Complex 10W, 2nd this year · 168th from Vandenberg SFB, CA, USA
31 launches from this pad · 919 from Vandenberg SFB, CA, USA
57 days after the previous launch from this pad
Questions
When did DSAP-1 F11 launch?
DSAP-1 F11 launched on March 18, 1965. The time is known to the hour, not the minute.
Where can I watch DSAP-1 F11?
No webcast is on record for this launch.
What rocket launched DSAP-1 F11?
Thor MG-18, flown by United States Air Force. Thor MG-18 spec sheet
Where did DSAP-1 F11 launch from?
Space Launch Complex 10W, Vandenberg SFB, CA, USA.
What orbit did DSAP-1 F11 reach?
OPS 7353, one of 6 catalogued objects, reached a 537 × 761 km orbit inclined 99.0°.
How many satellites did DSAP-1 F11 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
