United States Air ForceScout B-1Space Launch Complex 5, Vandenberg SFB, CA, USA
Triad 1
Launched
September 2, 1972
Image: NASA
Summary
Triad 1 launched on an United States Air Force Scout B-1 from Space Launch Complex 5, Vandenberg SFB, CA, USA on September 2, 1972. It was United States Air Force's 582nd launch, 18th this year and humanity's 1,382nd orbital launch attempt. It was the 3rd Scout B-1 flight and the 1st this year. The payload was bound for Polar Orbit (PO). Triad OI-1X, one of 4 catalogued objects, reached a 749 × 844 km orbit inclined 90.1°. 4 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Scout B-1 · United States Air Force
- Booster
- No booster details on record.
- Mission
- Navigation · Polar Orbit (PO)
- Milestone
- 3rd Scout B-1 flight · 1st this yearUnited States Air Force's 582nd launch18th this yearhumanity's 1,382nd orbital launch attempt76th orbital launch attempt this year
Flight preview
Orbit: as tracked
Triad OI-1X · NORAD 6173 · 1972-069 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- TRIAD 1
- Object ID
- 1972-069A
- Epoch
- 1972-09-02 20:36:35 UTC
- Mean motion
- 14.30681972 rev/day
- Eccentricity
- 0.0066622
- Inclination
- 90.1371°
- Ascending node
- 310.2281°
- Arg. of perigee
- 340.3132°
- Mean anomaly
- 19.5443°
- Element set
- 999
- Rev at epoch
- 2
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: PO. Ascent drawn from padside's representative profile.
Catalogued objects
4 catalogued: 1 payload, 1 rocket stage, 2 components; 3 still in orbit
- Triad OI-1X · NORAD 6173 · in orbit
Scout S182C Stage 4 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Satellite designed to accurately measure atmospheric drag in order to improve the accuracy of the USN Transit Navigation System
Pad

Space Launch Complex 5, Vandenberg SFB, CA, USA
40th launch from Space Launch Complex 5, 1st this year · 388th from Vandenberg SFB, CA, USA
69 launches from this pad · 919 from Vandenberg SFB, CA, USA
265 days after the previous launch from this pad
Questions
When did Triad 1 launch?
Triad 1 launched on September 2, 1972. The time is known to the hour, not the minute.
Where can I watch Triad 1?
No webcast is on record for this launch.
What rocket launched Triad 1?
Scout B-1, flown by United States Air Force. Scout B-1 spec sheet
Where did Triad 1 launch from?
Space Launch Complex 5, Vandenberg SFB, CA, USA.
What orbit did Triad 1 reach?
Triad OI-1X, one of 4 catalogued objects, reached a 749 × 844 km orbit inclined 90.1°.
How many satellites did Triad 1 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
