Sea LaunchZenit 3SLLaunch Platform Odyssey, Sea Launch
DirecTV-1R
Launched
October 10, 1999
Summary
DirecTV-1R launched on a Sea Launch Zenit 3SL from Launch Platform Odyssey, Sea Launch on October 10, 1999. It was Sea Launch's 2nd launch, 2nd this year and humanity's 4,347th orbital launch attempt. It was the 2nd Zenit 3SL flight. The payload was bound for Geostationary Orbit (Direct-GEO). DirecTV 1R, one of 2 catalogued objects, reached a 2,835 × 35,758 km orbit inclined 0.6°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Zenit 3SL · Sea Launch
- Booster
- No booster details on record.
- Mission
- Communications · Geostationary Orbit (Direct-GEO)
- Milestone
- 2nd Zenit 3SL flightSea Launch's 2nd launch2nd this yearhumanity's 4,347th orbital launch attempt58th orbital launch attempt this year
Flight preview
Orbit: as tracked
DirecTV 1R · NORAD 25937 · 1999-056 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- DIRECTV 1-R
- Object ID
- 1999-056A
- Epoch
- 1999-10-10 15:15:10 UTC
- Mean motion
- 2.11116744 rev/day
- Eccentricity
- 0.6413381
- Inclination
- 0.6208°
- Ascending node
- 26.6837°
- Arg. of perigee
- 355.9227°
- Mean anomaly
- 356.1389°
- 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. Ascent drawn from padside's representative profile.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 2 still in orbit
- DirecTV 1R · NORAD 25937 · in orbit
Blok DM-SL No. 3L · in orbit
Data from J. McDowell, planet4589.org
About this launch
To expand channel capacity and strengthen in-orbit redundancy, DirecTV, Inc., ordered a new satellite from Hughes Space and Communications Company (HSC) in 1998. The new spacecraft, called DirecTV 1-R, is a Hughes HS-601HP model satellite scheduled that was launched in October 1999 under a delivery-in-orbit contract.
Pad
Launch Platform Odyssey, Sea Launch
2nd launch from Launch Platform Odyssey, 2nd this year · 3rd from Sea Launch
36 launches from this pad · 40 from Sea Launch
196 days after the previous launch from this pad
Questions
When did DirecTV-1R launch?
DirecTV-1R launched on October 10, 1999. The time is known to the hour, not the minute.
Where can I watch DirecTV-1R?
No webcast is on record for this launch.
What rocket launched DirecTV-1R?
Zenit 3SL, flown by Sea Launch. Zenit 3SL spec sheet
Where did DirecTV-1R launch from?
Launch Platform Odyssey, Sea Launch.
What orbit did DirecTV-1R reach?
DirecTV 1R, one of 2 catalogued objects, reached a 2,835 × 35,758 km orbit inclined 0.6°.
How many satellites did DirecTV-1R launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).