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United States Air ForceDelta II 7925Space Launch Complex 17A, Cape Canaveral SFS, FL, USA
Thor II
Launched
May 20, 1997
Summary
Thor II launched on an United States Air Force Delta II 7925 from Space Launch Complex 17A, Cape Canaveral SFS, FL, USA on May 20, 1997. It was United States Air Force's 977th launch, 5th this year and humanity's 4,145th orbital launch attempt. It was the 32nd Delta II 7925 flight and the 2nd this year. The payload was bound for Geostationary Orbit (Direct-GEO). Thor II, one of 3 catalogued objects, reached a 1,321 × 36,479 km orbit inclined 19.7°. 3 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Delta II 7925 · United States Air Force
- Booster
- No booster details on record.
- Mission
- Communications · Geostationary Orbit (Direct-GEO)
- Milestone
- 32nd Delta II 7925 flight · 2nd this yearUnited States Air Force's 977th launch5th this yearhumanity's 4,145th orbital launch attempt27th orbital launch attempt this year
Flight preview
Orbit: as tracked
Thor II · NORAD 24808 · 1997-025 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- THOR 2A
- Object ID
- 1997-025A
- Epoch
- 1997-05-21 10:57:03 UTC
- Mean motion
- 2.16109969 rev/day
- Eccentricity
- 0.6956186
- Inclination
- 19.7247°
- Ascending node
- 32.1705°
- Arg. of perigee
- 358.826°
- Mean anomaly
- 0.3165°
- 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: Direct-GEO.
Catalogued objects
3 catalogued: 1 payload, 2 rocket stages; 3 still in orbit
- Thor II · NORAD 24808 · in orbit
Delta 243 · in orbit
Delta 243 Stage 3 · in orbit
Data from J. McDowell, planet4589.org
About this launch
In November 1995, Hughes was awarded the contract for Thor 2, a high-powered version of Hughes' spin-stabilized HS-376 model. Thor 2 was successfully launched in May 1997.
Pad
Space Launch Complex 17A, Cape Canaveral SFS, FL, USA
112th launch from Space Launch Complex 17A, 2nd this year · 529th from Cape Canaveral SFS, FL, USA
145 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
123 days after the previous launch from this pad
Questions
When did Thor II launch?
Thor II launched on May 20, 1997. The time is known to the hour, not the minute.
Where can I watch Thor II?
No webcast is on record for this launch.
What rocket launched Thor II?
Delta II 7925, flown by United States Air Force. Delta II 7925 spec sheet
Where did Thor II launch from?
Space Launch Complex 17A, Cape Canaveral SFS, FL, USA.
What orbit did Thor II reach?
Thor II, one of 3 catalogued objects, reached a 1,321 × 36,479 km orbit inclined 19.7°.
How many satellites did Thor II launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).