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United States Air ForceDelta 3913Space Launch Complex 2W, Vandenberg SFB, CA, USA
Dynamics Explorer 1 & 2
Launched
August 3, 1981
Summary
Dynamics Explorer 1 & 2 launched on an United States Air Force Delta 3913 from Space Launch Complex 2W, Vandenberg SFB, CA, USA on August 3, 1981. It was United States Air Force's 772nd launch, 8th this year and humanity's 2,463rd orbital launch attempt. It was the 1st Delta 3913 flight. The payload was bound for Polar Orbit (PO). The tracked orbit of Dynamics Explorer 1, one of 12 catalogued objects, from August 7, 1981, was 571 × 23,303 km inclined 89.9°. 12 objects from this launch are catalogued, 2 of them payloads.
- Watch
- No webcast on record.
- Vehicle
- Delta 3913 · United States Air Force
- Booster
- No booster details on record.
- Mission
- Earth Science · Polar Orbit (PO)
- Milestone
- 1st Delta 3913 flightUnited States Air Force's 772nd launch8th this yearhumanity's 2,463rd orbital launch attempt72nd orbital launch attempt this year
Flight preview
Orbit: as tracked
Dynamics Explorer 1 · NORAD 12624 · 1981-070 · Space-Track · tracking 1 of 12 objects
Show the numbers for orbit elements
- Object
- DYNAMICS EXPLORER 1
- Object ID
- 1981-070A
- Epoch
- 1981-08-07 17:16:01 UTC
- Mean motion
- 3.50466704 rev/day
- Eccentricity
- 0.6208343
- Inclination
- 89.8793°
- Ascending node
- 160.9432°
- Arg. of perigee
- 280.8489°
- Mean anomaly
- 358.0134°
- Element set
- 999
- Rev at epoch
- 16
- B*
- 9.999e-7
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: PO.
Catalogued objects
12 catalogued: 2 payloads, 2 rocket stages, 2 debris, 6 components; 6 still in orbit
- Dynamics Explorer 1 · NORAD 12624 · in orbit
- Dynamics Explorer 2 · NORAD 12625 · re-entered February 19, 1983
Delta 155 · re-entered November 23, 1988
Delta 155 Stage 3 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Magnetospheric research satellites placed in polar coplanar orbits, allowing simultaneous measurements at high and low altitudes
Pad
Space Launch Complex 2W, Vandenberg SFB, CA, USA
41st launch from Space Launch Complex 2W, 1st this year · 489th from Vandenberg SFB, CA, USA
99 launches from this pad · 919 from Vandenberg SFB, CA, USA
about 3 years after the previous launch from this pad
Questions
When did Dynamics Explorer 1 & 2 launch?
Dynamics Explorer 1 & 2 launched on August 3, 1981. The time is known to the hour, not the minute.
Where can I watch Dynamics Explorer 1 & 2?
No webcast is on record for this launch.
What rocket launched Dynamics Explorer 1 & 2?
Delta 3913, flown by United States Air Force. Delta 3913 spec sheet
Where did Dynamics Explorer 1 & 2 launch from?
Space Launch Complex 2W, Vandenberg SFB, CA, USA.
What orbit did Dynamics Explorer 1 & 2 reach?
The tracked orbit of Dynamics Explorer 1, one of 12 catalogued objects, from August 7, 1981, was 571 × 23,303 km inclined 89.9°.
How many satellites did Dynamics Explorer 1 & 2 launch?
2 payloads from this launch are catalogued, 1 of them still in orbit (Data from J. McDowell, planet4589.org).