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United States Air ForceDelta II 7920-10Space Launch Complex 2W, Vandenberg SFB, CA, USA
Landsat 7
Launched
April 15, 1999
Summary
Landsat 7 launched on an United States Air Force Delta II 7920-10 from Space Launch Complex 2W, Vandenberg SFB, CA, USA on April 15, 1999. It was United States Air Force's 1,008th launch, 5th this year and humanity's 4,309th orbital launch attempt. It was the 5th Delta II 7920-10 flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). Landsat 7, one of 2 catalogued objects, reached a 679 × 706 km orbit inclined 98.2°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Delta II 7920-10 · United States Air ForceLandsat
- Booster
- No booster details on record.
- Mission
- Earth Science · Low Earth Orbit (LEO)
- Milestone
- 5th Delta II 7920-10 flight · 2nd this yearUnited States Air Force's 1,008th launch5th this yearhumanity's 4,309th orbital launch attempt20th orbital launch attempt this year
Flight preview
Orbit: as tracked
Landsat 7 · NORAD 25682 · 1999-020 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- LANDSAT 7
- Object ID
- 1999-020A
- Epoch
- 1999-04-15 21:10:29 UTC
- Mean motion
- 14.62439951 rev/day
- Eccentricity
- 0.0018987
- Inclination
- 98.2232°
- Ascending node
- 174.3934°
- Arg. of perigee
- 179.9284°
- Mean anomaly
- 180.1924°
- 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: LEO. Ascent drawn from padside's representative profile.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 1 still in orbit
- Landsat 7 · NORAD 25682 · in orbit
Delta 268 · re-entered May 30, 1999
Data from J. McDowell, planet4589.org
About this launch
Landsat 7 continued the long-term Earth observation Landsat program begun in 1972. Landsat 7 was a joint project between NASA, NOAA, and the US Geological Survey to obtain continuous high-resolution imagary of the earth's surface for environmental monitoring, disaster assessment, land use and regional planning, cartography, range management, oil and mineral exploration.
Pad
Space Launch Complex 2W, Vandenberg SFB, CA, USA
63rd launch from Space Launch Complex 2W, 2nd this year · 590th from Vandenberg SFB, CA, USA
99 launches from this pad · 919 from Vandenberg SFB, CA, USA
51 days after the previous launch from this pad
Questions
When did Landsat 7 launch?
Landsat 7 launched on April 15, 1999. The time is known to the hour, not the minute.
Where can I watch Landsat 7?
No webcast is on record for this launch.
What rocket launched Landsat 7?
Delta II 7920-10, flown by United States Air Force. Delta II 7920-10 spec sheet
Where did Landsat 7 launch from?
Space Launch Complex 2W, Vandenberg SFB, CA, USA.
What orbit did Landsat 7 reach?
Landsat 7, one of 2 catalogued objects, reached a 679 × 706 km orbit inclined 98.2°.
How many satellites did Landsat 7 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
Which program is Landsat 7 part of?
Landsat. About Landsat