United States Air ForceThor Delta CSpace Launch Complex 17B, Cape Canaveral SFS, FL, USA
OSO 2
Launched
February 3, 1965
Image: NASA
Summary
OSO 2 launched on an United States Air Force Thor Delta C from Space Launch Complex 17B, Cape Canaveral SFS, FL, USA on February 3, 1965. It was United States Air Force's 238th launch, 7th this year and humanity's 401st orbital launch attempt. It was the 5th Thor Delta C flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). OSO 2, one of 2 catalogued objects, reached a 560 × 633 km orbit inclined 32.8°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Thor Delta C · United States Air Force
- Booster
- No booster details on record.
- Mission
- Astrophysics · Low Earth Orbit (LEO)
- Milestone
- 5th Thor Delta C flight · 2nd this yearUnited States Air Force's 238th launch7th this yearhumanity's 401st orbital launch attempt8th orbital launch attempt this year
Flight preview
Orbit: as tracked
OSO 2 · NORAD 987 · 1965-007 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- OSO 2
- Object ID
- 1965-007A
- Epoch
- 1965-02-04 03:22:28 UTC
- Mean motion
- 14.92813426 rev/day
- Eccentricity
- 0.0052769
- Inclination
- 32.8189°
- Ascending node
- 176.7555°
- Arg. of perigee
- 106.242°
- Mean anomaly
- 254.3406°
- Element set
- 999
- Rev at epoch
- 7
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent drawn from padside's representative profile.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; none still in orbit
- OSO 2 · NORAD 987 · re-entered August 9, 1989
Delta 29 Stage 3 · re-entered September 11, 1977
Data from J. McDowell, planet4589.org
About this launch
OSO (Orbital Solar Observatory) satellite. Its purpose was to return data on the ultraviolet, X-ray and gamma ray emissions of the sun and galaxy.
Pad
Space Launch Complex 17B, Cape Canaveral SFS, FL, USA
20th launch from Space Launch Complex 17B, 1st this year · 129th from Cape Canaveral SFS, FL, USA
132 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
378 days after the previous launch from this pad
Questions
When did OSO 2 launch?
OSO 2 launched on February 3, 1965. The time is known to the hour, not the minute.
Where can I watch OSO 2?
No webcast is on record for this launch.
What rocket launched OSO 2?
Thor Delta C, flown by United States Air Force. Thor Delta C spec sheet
Where did OSO 2 launch from?
Space Launch Complex 17B, Cape Canaveral SFS, FL, USA.
What orbit did OSO 2 reach?
OSO 2, one of 2 catalogued objects, reached a 560 × 633 km orbit inclined 32.8°.
How many satellites did OSO 2 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).