Orbital Sciences CorporationPegasus XLVandenberg Space Force Base, Air launch to orbit
Tri-Services Experiments Platform-5 (TSX-5)
Launched
June 7, 2000 · 13:19 UTC
Image: NASA/Laurie Losey
Summary
TSX-5 launched on an Orbital Sciences Corporation Pegasus XL from Vandenberg Space Force Base, Air launch to orbit on June 7, 2000 at 13:19 UTC. It was Orbital Sciences Corporation's 35th launch, 3rd this year and humanity's 4,399th orbital launch attempt. It was the 15th Pegasus XL flight and the 1st this year. The payload was bound for low Earth orbit (LEO). TSX-5, one of 2 catalogued objects, reached a 412 × 1,712 km orbit inclined 68.9°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Pegasus XL · Orbital Sciences Corporation
- Booster
- No booster details on record.
- Mission
- Technology · Low Earth Orbit (LEO)
- Milestone
- 15th Pegasus XL flight · 1st this yearOrbital Sciences Corporation's 35th launch3rd this yearhumanity's 4,399th orbital launch attempt32nd orbital launch attempt this year
Flight preview
Orbit: as tracked
TSX-5 · NORAD 26374 · 2000-030 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TSX-5
- Object ID
- 2000-030A
- Epoch
- 2000-06-07 14:25:25 UTC
- Mean motion
- 13.5482919 rev/day
- Eccentricity
- 0.0874305
- Inclination
- 68.9496°
- Ascending node
- 170.7565°
- Arg. of perigee
- 207.6745°
- Mean anomaly
- 147.511°
- 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
2 catalogued: 1 payload, 1 rocket stage; 2 still in orbit
- TSX-5 · NORAD 26374 · in orbit
Pegasus F29 Stage 3 · in orbit
Data from J. McDowell, planet4589.org
About this launch
The Tri-Service Experiments Mission 5 was a US Department of Defense Space Test Program satellite carrying the STRV-2 technology experiment package and the CEASE space environment sensor into an elliptical low Earth orbit.
Pad

Vandenberg Space Force Base, Air launch to orbit
14th launch from Vandenberg Space Force Base, 1st this year · 28th from Air launch to orbit
22 launches from this pad · 52 from Air launch to orbit
386 days after the previous launch from this pad
Questions
When did TSX-5 launch?
TSX-5 launched on June 7, 2000 at 13:19 UTC.
Where can I watch TSX-5?
No webcast is on record for this launch.
What rocket launched TSX-5?
Pegasus XL, flown by Orbital Sciences Corporation. Pegasus XL spec sheet
Where did TSX-5 launch from?
Vandenberg Space Force Base, Air launch to orbit.
What orbit did TSX-5 reach?
TSX-5, one of 2 catalogued objects, reached a 412 × 1,712 km orbit inclined 68.9°.
How many satellites did TSX-5 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
