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United States Air ForceTitan IVB/CentaurSpace Launch Complex 40, Cape Canaveral SFS, FL, USA
NROL-6
Launched
May 9, 1998
Summary
NROL-6 (Orion 4) launched on an United States Air Force Titan IVB/Centaur from Space Launch Complex 40, Cape Canaveral SFS, FL, USA on May 9, 1998. It was United States Air Force's 993rd launch, 6th this year and humanity's 4,237th orbital launch attempt. It was the 2nd Titan IVB/Centaur flight and the 1st this year. The payload was bound for Geostationary Orbit (Direct-GEO). 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Titan IVB/Centaur · United States Air Force
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Geostationary Orbit (Direct-GEO)
- Milestone
- 2nd Titan IVB/Centaur flight · 1st this yearUnited States Air Force's 993rd launch6th this yearhumanity's 4,237th orbital launch attempt30th orbital launch attempt this year
Flight preview
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 2 still in orbit
- USA 139 · NORAD 25336 · in orbit
Centaur TC-18 · in orbit
Data from J. McDowell, planet4589.org
About this launch
The Orion 3 and 4 (RIO 3, 4) satellites, which are generally known as 'Advanced Orion' or 'Mentor', are geostationary signals intelligence satellites, which replaced the Magnum / Orion series. Their purpose is to intercept missile telemetry from Russia and China and the COMINT capability of the Mercury satellites was merged into this series. These satellites are launched under the designation Program 7600.
Pad
Space Launch Complex 40, Cape Canaveral SFS, FL, USA
46th launch from Space Launch Complex 40, 1st this year · 547th from Cape Canaveral SFS, FL, USA
403 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
205 days after the previous launch from this pad
Questions
When did NROL-6 (Orion 4) launch?
NROL-6 (Orion 4) launched on May 9, 1998. The time is known to the hour, not the minute.
Where can I watch NROL-6 (Orion 4)?
No webcast is on record for this launch.
What rocket launched NROL-6 (Orion 4)?
Titan IVB/Centaur, flown by United States Air Force. Titan IVB/Centaur spec sheet
Where did NROL-6 (Orion 4) launch from?
Space Launch Complex 40, Cape Canaveral SFS, FL, USA.
What orbit was NROL-6 (Orion 4) going to?
Geostationary Orbit (Direct-GEO), a government/top secret mission.
How many satellites did NROL-6 (Orion 4) launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).