United States Air ForceDelta II 7920-10Space Launch Complex 2W, Vandenberg SFB, CA, USA
Jason
Launched
December 7, 2001
Summary
Jason launched on an United States Air Force Delta II 7920-10 from Space Launch Complex 2W, Vandenberg SFB, CA, USA on December 7, 2001. It was United States Air Force's 1,039th launch, 10th this year and humanity's 4,508th orbital launch attempt. It was the 6th Delta II 7920-10 flight and the 1st this year. The payload was bound for High Earth Orbit (HEO). Jason, one of 7 catalogued objects, reached a 1,326 × 1,340 km orbit inclined 66.1°. 7 objects from this launch are catalogued, 2 of them payloads.
- Watch
- No webcast on record.
- Vehicle
- Delta II 7920-10 · United States Air Force
- Booster
- No booster details on record.
- Mission
- Earth Science · High Earth Orbit (HEO)
- Milestone
- 6th Delta II 7920-10 flight · 1st this yearUnited States Air Force's 1,039th launch10th this yearhumanity's 4,508th orbital launch attempt56th orbital launch attempt this year
Flight preview
Orbit: as tracked
Jason · NORAD 26997 · 2001-055 · Space-Track · tracking 1 of 7 objects
Show the numbers for orbit elements
- Object
- JASON
- Object ID
- 2001-055A
- Epoch
- 2001-12-07 16:14:19 UTC
- Mean motion
- 12.83895798 rev/day
- Eccentricity
- 0.0009347
- Inclination
- 66.056°
- Ascending node
- 19.2866°
- Arg. of perigee
- 220.5658°
- Mean anomaly
- 139.466°
- 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: HEO. Ascent drawn from padside's representative profile.
Catalogued objects
7 catalogued: 2 payloads, 1 rocket stage, 3 debris, 1 component; 5 still in orbit
- Jason · NORAD 26997 · in orbit
- TIMED · NORAD 26998 · in orbit
Delta 289 · re-entered January 1, 2002
Data from J. McDowell, planet4589.org
About this launch
Jason-1 is the first follow-on to the highly successful TOPEX/Poseidon mission that measured ocean surface topography to an accuracy of 4.2 cm, enabled scientists to forecast the 1997-1998 El Niño, and improved understanding of ocean circulation and its effect of global climate.
Pad

Space Launch Complex 2W, Vandenberg SFB, CA, USA
67th launch from Space Launch Complex 2W, 2nd this year · 609th from Vandenberg SFB, CA, USA
99 launches from this pad · 919 from Vandenberg SFB, CA, USA
49 days after the previous launch from this pad
Questions
When did Jason launch?
Jason launched on December 7, 2001. The time is known to the hour, not the minute.
Where can I watch Jason?
No webcast is on record for this launch.
What rocket launched Jason?
Delta II 7920-10, flown by United States Air Force. Delta II 7920-10 spec sheet
Where did Jason launch from?
Space Launch Complex 2W, Vandenberg SFB, CA, USA.
What orbit did Jason reach?
Jason, one of 7 catalogued objects, reached a 1,326 × 1,340 km orbit inclined 66.1°.
How many satellites did Jason launch?
2 payloads from this launch are catalogued, 2 of them still in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] Delta II - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fdelta2520ii_image_20190222030358.jpeg&w=1600)