Orbital Sciences CorporationPegasus XLVandenberg Space Force Base, Air launch to orbit
Broadband Advanced Technologies Satellite (BATSAT/Teledesic T1) & Student Nitric Oxide Explorer (SNOE)
Launched
February 26, 1998
Image: NASA/Laurie Losey
Summary
Teledesic T1 / SNOE launched on an Orbital Sciences Corporation Pegasus XL from Vandenberg Space Force Base, Air launch to orbit on February 26, 1998. It was Orbital Sciences Corporation's 22nd launch, 2nd this year and humanity's 4,220th orbital launch attempt. It was the 11th Pegasus XL flight and the 1st this year. The payload was bound for Sun-Synchronous Orbit (SSO). SNOE, one of 4 catalogued objects, reached a 546 × 585 km orbit inclined 97.7°. 4 objects from this launch are catalogued, 2 of them payloads.
- Watch
- No webcast on record.
- Vehicle
- Pegasus XL · Orbital Sciences Corporation
- Booster
- No booster details on record.
- Mission
- Technology · Sun-Synchronous Orbit (SSO)
- Milestone
- 11th Pegasus XL flight · 1st this yearOrbital Sciences Corporation's 22nd launch2nd this yearhumanity's 4,220th orbital launch attempt13th orbital launch attempt this year
Flight preview
Orbit: as tracked
SNOE · NORAD 25233 · 1998-012 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- SNOE
- Object ID
- 1998-012A
- Epoch
- 1998-02-26 08:06:54 UTC
- Mean motion
- 15.02740703 rev/day
- Eccentricity
- 0.0027931
- Inclination
- 97.7472°
- Ascending node
- 310.0123°
- Arg. of perigee
- 337.6008°
- Mean anomaly
- 23.5332°
- 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: SSO. Ascent drawn from padside's representative profile.
Catalogued objects
4 catalogued: 2 payloads, 1 rocket stage, 1 component; none still in orbit
- SNOE · NORAD 25233 · re-entered December 13, 2003
- T1 · NORAD 25234 · re-entered October 9, 2000
Pegasus F20 Stage 3 · re-entered May 25, 2000
Data from J. McDowell, planet4589.org
About this launch
This Pegasus XL carried SNOE, a NASA student-built satellite from the University of Colorado measuring nitric oxide in the thermosphere, and Teledesic T1 (BATSAT), a demonstration satellite for the planned Teledesic broadband constellation and the first commercially owned Ka-band satellite in orbit.
Pad
Vandenberg Space Force Base, Air launch to orbit
9th launch from Vandenberg Space Force Base, 1st this year · 19th from Air launch to orbit
22 launches from this pad · 52 from Air launch to orbit
208 days after the previous launch from this pad
Questions
When did Teledesic T1 / SNOE launch?
Teledesic T1 / SNOE launched on February 26, 1998. The time is known to the hour, not the minute.
Where can I watch Teledesic T1 / SNOE?
No webcast is on record for this launch.
What rocket launched Teledesic T1 / SNOE?
Pegasus XL, flown by Orbital Sciences Corporation. Pegasus XL spec sheet
Where did Teledesic T1 / SNOE launch from?
Vandenberg Space Force Base, Air launch to orbit.
What orbit did Teledesic T1 / SNOE reach?
SNOE, one of 4 catalogued objects, reached a 546 × 585 km orbit inclined 97.7°.
How many satellites did Teledesic T1 / SNOE launch?
2 payloads from this launch are catalogued, none of them still in orbit (Data from J. McDowell, planet4589.org).