Lockheed MartinAthena IISpace Launch Complex 6, Vandenberg SFB, CA, USA
Ikonos
Launched
September 24, 1999
Image: NASA
Summary
Ikonos launched on a Lockheed Martin Athena II from Space Launch Complex 6, Vandenberg SFB, CA, USA on September 24, 1999. It was Lockheed Martin's 44th launch, 6th this year and humanity's 4,342nd orbital launch attempt. It was the 3rd Athena II flight and the 2nd this year. The payload was bound for Polar Orbit (PO). Ikonos, one of 4 catalogued objects, reached a 673 × 686 km orbit inclined 98.2°. 4 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Athena II · Lockheed Martin
- Booster
- No booster details on record.
- Mission
- Earth Science · Polar Orbit (PO)
- Milestone
- 3rd Athena II flight · 2nd this yearLockheed Martin's 44th launch6th this yearhumanity's 4,342nd orbital launch attempt53rd orbital launch attempt this year
Flight preview
Orbit: as tracked
Ikonos · NORAD 25919 · 1999-051 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- IKONOS 2
- Object ID
- 1999-051A
- Epoch
- 1999-09-24 19:21:13 UTC
- Mean motion
- 14.66517078 rev/day
- Eccentricity
- 0.0009476
- Inclination
- 98.1982°
- Ascending node
- 333.1894°
- Arg. of perigee
- 220.3803°
- Mean anomaly
- 139.3165°
- 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: PO. Ascent drawn from padside's representative profile.
Catalogued objects
4 catalogued: 1 payload, 2 rocket stages, 1 debris; 1 still in orbit
- Ikonos · NORAD 25919 · in orbit
Athena-2 LM-007 OAM · re-entered September 28, 1999
Athena-2 LM-007 Stage 3 · re-entered October 25, 1999
Data from J. McDowell, planet4589.org
About this launch
Lockheed Martin Commercial Space Systems, an operating unit of Missiles & Space, has revolutionized the space-based imagery market with the development of the first commercial satellite capable of resolving objects on the ground as small as one meter in diameter. The company is providing a spacecraft, designated IKONOS 1, for Space Imaging, Thornton, CO, which offers high-resolution imagery of the Earth to customers around the world.
Pad

Space Launch Complex 6, Vandenberg SFB, CA, USA
4th launch from Space Launch Complex 6, 2nd this year · 594th from Vandenberg SFB, CA, USA
14 launches from this pad · 919 from Vandenberg SFB, CA, USA
149 days after the previous launch from this pad
Questions
When did Ikonos launch?
Ikonos launched on September 24, 1999. The time is known to the hour, not the minute.
Where can I watch Ikonos?
No webcast is on record for this launch.
What rocket launched Ikonos?
Athena II, flown by Lockheed Martin. Athena II spec sheet
Where did Ikonos launch from?
Space Launch Complex 6, Vandenberg SFB, CA, USA.
What orbit did Ikonos reach?
Ikonos, one of 4 catalogued objects, reached a 673 × 686 km orbit inclined 98.2°.
How many satellites did Ikonos launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
