Orbital Sciences CorporationPegasus XLVandenberg Space Force Base, Air launch to orbit
ST-5 FWD
Launched
March 22, 2006
Image: NASA/Laurie Losey
Summary
ST-5 FWD launched on an Orbital Sciences Corporation Pegasus XL from Vandenberg Space Force Base, Air launch to orbit on March 22, 2006. It was Orbital Sciences Corporation's 48th launch, 1st this year and humanity's 4,758th orbital launch attempt. It was the 22nd Pegasus XL flight and the 1st this year. The payload was bound for low Earth orbit (LEO). ST-5 SC155, one of 5 catalogued objects, reached a 305 × 4,562 km orbit inclined 105.6°. 5 objects from this launch are catalogued, 3 of them payloads.
- Watch
- No webcast on record.
- Vehicle
- Pegasus XL · Orbital Sciences Corporation
- Booster
- No booster details on record.
- Mission
- Test Flight · Low Earth Orbit (LEO)
- Milestone
- 22nd Pegasus XL flight · 1st this yearOrbital Sciences Corporation's 48th launch1st this yearhumanity's 4,758th orbital launch attempt8th orbital launch attempt this year
Flight preview
Orbit: as tracked
ST-5 SC155 · NORAD 28980 · 2006-008 · Space-Track · tracking 1 of 5 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2006-008A
- Epoch
- 2006-03-22 15:32:23 UTC
- Mean motion
- 10.50879693 rev/day
- Eccentricity
- 0.2417218
- Inclination
- 105.6172°
- Ascending node
- 76.7593°
- Arg. of perigee
- 157.3137°
- Mean anomaly
- 215.5968°
- Element set
- 999
- Rev at epoch
- 0
- 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
5 catalogued: 3 payloads, 1 rocket stage, 1 component; 3 still in orbit
- ST-5 SC155 · NORAD 28980 · in orbit
- ST-5 SC094 · NORAD 28981 · re-entered July 29, 2025
- ST-5 SC224 · NORAD 28982 · in orbit
Pegasus F37 Stage 3 · in orbit
Data from J. McDowell, planet4589.org
About this launch
NASA's three micro-sats were launched to test and validate new technologies for future science missions. ST5's objective was to demonstrate and flight qualify several innovative technologies and concepts for application to future space missions.
Pad

Vandenberg Space Force Base, Air launch to orbit
18th launch from Vandenberg Space Force Base, 1st this year · 36th from Air launch to orbit
22 launches from this pad · 52 from Air launch to orbit
340 days after the previous launch from this pad
Questions
When did ST-5 FWD launch?
ST-5 FWD launched on March 22, 2006. The time is known to the hour, not the minute.
Where can I watch ST-5 FWD?
No webcast is on record for this launch.
What rocket launched ST-5 FWD?
Pegasus XL, flown by Orbital Sciences Corporation. Pegasus XL spec sheet
Where did ST-5 FWD launch from?
Vandenberg Space Force Base, Air launch to orbit.
What orbit did ST-5 FWD reach?
ST-5 SC155, one of 5 catalogued objects, reached a 305 × 4,562 km orbit inclined 105.6°.
How many satellites did ST-5 FWD launch?
3 payloads from this launch are catalogued, 2 of them still in orbit (Data from J. McDowell, planet4589.org).
