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United States Air ForceThor Delta E1Space Launch Complex 2E, Vandenberg SFB, CA, USA

Isis 1

Launched

January 30, 1969

Launch Successful

Image: NASA

Summary

Isis 1 launched on an United States Air Force Thor Delta E1 from Space Launch Complex 2E, Vandenberg SFB, CA, USA on January 30, 1969. It was United States Air Force's 477th launch, 3rd this year and humanity's 930th orbital launch attempt. It was the 14th Thor Delta E1 flight and the 1st this year. The payload was bound for Elliptical Orbit (Elliptical). Isis 1, one of 5 catalogued objects, reached a 585 × 3,519 km orbit inclined 88.4°. 5 objects from this launch are catalogued, one of them a payload.

Watch
No webcast on record.
Vehicle
Thor Delta E1 · United States Air Force
Booster
No booster details on record.
Mission
Earth Science · Elliptical Orbit (Elliptical)
Milestone
14th Thor Delta E1 flight · 1st this yearUnited States Air Force's 477th launch3rd this yearhumanity's 930th orbital launch attempt11th orbital launch attempt this year

Flight preview

Orbit: as tracked

88.4°Inclination
585 × 3519 kmPerigee × apogeefrom mean elements
128.2 minPeriodfrom mean elements
291.3°Ascending node
21077 d agoElement epoch1969-01-30 20:57 UTC · stale

Isis 1 · NORAD 3669 · 1969-009 · Space-Track · tracking 1 of 5 objects

Show the numbers for orbit elements
Object
ISIS 1
Object ID
1969-009A
Epoch
1969-01-30 20:57:14 UTC
Mean motion
11.2309482 rev/day
Eccentricity
0.1741532
Inclination
88.4203°
Ascending node
291.2548°
Arg. of perigee
168.8956°
Mean anomaly
195.6353°
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: Elliptical. Ascent drawn from padside's representative profile.

Catalogued objects

5 catalogued: 1 payload, 1 rocket stage, 3 debris; 5 still in orbit

  • Isis 1 · NORAD 3669 · in orbit

FW4D · in orbit

Data from J. McDowell, planet4589.org

About this launch

ISIS 1 (International Satellite for Ionosphere Studies) was an ionospheric observatory instrumented with sweep- and fixed-frequency ionosondes, a VLF receiver, energetic and soft particle detectors, an ion mass spectrometer, an electrostatic probe, an electrostatic analyzer, a beacon transmitter, and a cosmic noise experiment.

Pad

Map of Space Launch Complex 2E

Space Launch Complex 2E, Vandenberg SFB, CA, USA

39th launch from Space Launch Complex 2E, 1st this year · 319th from Vandenberg SFB, CA, USA

47 launches from this pad · 919 from Vandenberg SFB, CA, USA

45 days after the previous launch from this pad

Questions

When did Isis 1 launch?

Isis 1 launched on January 30, 1969. The time is known to the hour, not the minute.

Where can I watch Isis 1?

No webcast is on record for this launch.

What rocket launched Isis 1?

Thor Delta E1, flown by United States Air Force. Thor Delta E1 spec sheet

Where did Isis 1 launch from?

Space Launch Complex 2E, Vandenberg SFB, CA, USA.

What orbit did Isis 1 reach?

Isis 1, one of 5 catalogued objects, reached a 585 × 3,519 km orbit inclined 88.4°.

How many satellites did Isis 1 launch?

1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).