United States Air ForceThor Burner 2Space Launch Complex 10W, Vandenberg SFB, CA, USA
SESP 1
Launched
June 8, 1971
Summary
SESP 1 launched on an United States Air Force Thor Burner 2 from Space Launch Complex 10W, Vandenberg SFB, CA, USA on June 8, 1971. It was United States Air Force's 550th launch, 14th this year and humanity's 1,230th orbital launch attempt. It was the 12th Thor Burner 2 flight and the 2nd this year. The payload was bound for Polar Orbit (PO). It reached a 550 × 586 km orbit inclined 90.2°. One object from this launch is catalogued.
- Watch
- No webcast on record.
- Vehicle
- Thor Burner 2 · United States Air Force
- Booster
- No booster details on record.
- Mission
- Test Flight · Polar Orbit (PO)
- Milestone
- 12th Thor Burner 2 flight · 2nd this yearUnited States Air Force's 550th launch14th this yearhumanity's 1,230th orbital launch attempt59th orbital launch attempt this year
Flight preview
Orbit: as tracked
P70-1 · NORAD 5285 · 1971-054 · Space-Track
Show the numbers for orbit elements
- Object
- OPS 3850
- Object ID
- 1971-054A
- Epoch
- 1971-06-08 23:01:46 UTC
- Mean motion
- 15.01868916 rev/day
- Eccentricity
- 0.0025609
- Inclination
- 90.2224°
- Ascending node
- 166.6646°
- Arg. of perigee
- 209.6354°
- Mean anomaly
- 150.3378°
- Element set
- 999
- Rev at epoch
- 6
- 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
1 catalogued: 1 payload; none still in orbit
- P70-1 · NORAD 5285 · re-entered January 31, 1982
Data from J. McDowell, planet4589.org
About this launch
Satellite designed to test an infrared celestial mapping sensor system.
Pad
Space Launch Complex 10W, Vandenberg SFB, CA, USA
18th launch from Space Launch Complex 10W, 2nd this year · 364th from Vandenberg SFB, CA, USA
31 launches from this pad · 919 from Vandenberg SFB, CA, USA
111 days after the previous launch from this pad
Questions
When did SESP 1 launch?
SESP 1 launched on June 8, 1971. The time is known to the hour, not the minute.
Where can I watch SESP 1?
No webcast is on record for this launch.
What rocket launched SESP 1?
Thor Burner 2, flown by United States Air Force. Thor Burner 2 spec sheet
Where did SESP 1 launch from?
Space Launch Complex 10W, Vandenberg SFB, CA, USA.
What orbit did SESP 1 reach?
It reached a 550 × 586 km orbit inclined 90.2°.
How many satellites did SESP 1 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).