United States Air ForceThorad SLV-2G Agena DSpace Launch Complex 2E, Vandenberg SFB, CA, USA
SERT 2
Launched
February 4, 1970
Image: NASA
Summary
SERT 2 launched on an United States Air Force Thorad SLV-2G Agena D from Space Launch Complex 2E, Vandenberg SFB, CA, USA on February 4, 1970. It was United States Air Force's 513th launch, 4th this year and humanity's 1,056th orbital launch attempt. It was the 26th Thorad SLV-2G Agena D flight and the 1st this year. The payload was bound for low Earth orbit (LEO). It reached a 996 × 1,008 km orbit inclined 99.1°. One object from this launch is catalogued.
- Watch
- No webcast on record.
- Vehicle
- Thorad SLV-2G Agena D · United States Air Force
- Booster
- No booster details on record.
- Mission
- Test Flight · Low Earth Orbit (LEO)
- Milestone
- 26th Thorad SLV-2G Agena D flight · 1st this yearUnited States Air Force's 513th launch4th this yearhumanity's 1,056th orbital launch attempt10th orbital launch attempt this year
Flight preview
Orbit: as tracked
SERT 2 · NORAD 4327 · 1970-009 · Space-Track
Show the numbers for orbit elements
- Object
- SERT 2
- Object ID
- 1970-009A
- Epoch
- 1970-02-04 03:52:17 UTC
- Mean motion
- 13.71270679 rev/day
- Eccentricity
- 0.000827
- Inclination
- 99.1412°
- Ascending node
- 230.6741°
- Arg. of perigee
- 327.3294°
- Mean anomaly
- 32.7292°
- Element set
- 999
- Rev at epoch
- 1
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent drawn from padside's representative profile.
Catalogued objects
1 catalogued: 1 payload; 1 still in orbit
- SERT 2 · NORAD 4327 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Satellite designed to test a new ion thruster system.
Pad

Space Launch Complex 2E, Vandenberg SFB, CA, USA
42nd launch from Space Launch Complex 2E, 1st this year · 342nd from Vandenberg SFB, CA, USA
47 launches from this pad · 919 from Vandenberg SFB, CA, USA
243 days after the previous launch from this pad
Questions
When did SERT 2 launch?
SERT 2 launched on February 4, 1970. The time is known to the hour, not the minute.
Where can I watch SERT 2?
No webcast is on record for this launch.
What rocket launched SERT 2?
Thorad SLV-2G Agena D, flown by United States Air Force. Thorad SLV-2G Agena D spec sheet
Where did SERT 2 launch from?
Space Launch Complex 2E, Vandenberg SFB, CA, USA.
What orbit did SERT 2 reach?
It reached a 996 × 1,008 km orbit inclined 99.1°.
How many satellites did SERT 2 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
![Thorad-SLV2G Agena-D (Nimbus 3) [NASA]](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fthorad-slv2g_ag_image_20251102061406.jpg&w=1600)