United States Air ForceThor Delta CSpace Launch Complex 17A, Cape Canaveral SFS, FL, USA
OSO 3
Launched
March 8, 1967
Image: NASA
Summary
OSO 3 launched on an United States Air Force Thor Delta C from Space Launch Complex 17A, Cape Canaveral SFS, FL, USA on March 8, 1967. It was United States Air Force's 384th launch, 12th this year and humanity's 670th orbital launch attempt. It was the 10th Thor Delta C flight and the 1st this year. The payload was bound for low Earth orbit (LEO). OSO 3, one of 3 catalogued objects, reached a 545 × 574 km orbit inclined 32.9°. 3 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
- 10th Thor Delta C flight · 1st this yearUnited States Air Force's 384th launch12th this yearhumanity's 670th orbital launch attempt22nd orbital launch attempt this year
Flight preview
Orbit: as tracked
OSO 3 · NORAD 2703 · 1967-020 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- OSO 3
- Object ID
- 1967-020A
- Epoch
- 1967-03-09 14:01:47 UTC
- Mean motion
- 15.04829095 rev/day
- Eccentricity
- 0.0020939
- Inclination
- 32.8708°
- Ascending node
- 199.8732°
- Arg. of perigee
- 199.6314°
- Mean anomaly
- 160.3488°
- Element set
- 999
- Rev at epoch
- 14
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Catalogued objects
3 catalogued: 1 payload, 1 rocket stage, 1 component; none still in orbit
- OSO 3 · NORAD 2703 · re-entered April 4, 1982
Delta 46 Stage 3 · re-entered April 19, 1970
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 17A, Cape Canaveral SFS, FL, USA
35th launch from Space Launch Complex 17A, 1st this year · 197th from Cape Canaveral SFS, FL, USA
145 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
83 days after the previous launch from this pad
Questions
When did OSO 3 launch?
OSO 3 launched on March 8, 1967. The time is known to the hour, not the minute.
Where can I watch OSO 3?
No webcast is on record for this launch.
What rocket launched OSO 3?
Thor Delta C, flown by United States Air Force. Thor Delta C spec sheet
Where did OSO 3 launch from?
Space Launch Complex 17A, Cape Canaveral SFS, FL, USA.
What orbit did OSO 3 reach?
OSO 3, one of 3 catalogued objects, reached a 545 × 574 km orbit inclined 32.9°.
How many satellites did OSO 3 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
