SpaceXFalcon 1Omelek Island, Ronald Reagan Ballistic Missile Defense Test Site, Kwajalein Atoll, Marshall Islands
RatSat
Launched
September 28, 2008

Summary
RatSat launched on a SpaceX Falcon 1 from Omelek Island, Ronald Reagan Ballistic Missile Defense Test Site, Kwajalein Atoll, Marshall Islands on September 28, 2008. It was SpaceX's 4th launch, 2nd this year and humanity's 4,935th orbital launch attempt. It was the 4th Falcon 1 flight and the 2nd this year. Booster F1 B0004 flew for the 1st time and was expended. The payload was bound for low Earth orbit (LEO). It reached a 632 × 645 km orbit inclined 9.3°. One object from this launch is catalogued.
- Watch
- SpaceX Falcon 1 (Flight 4 - High Roller) High QualitySpaceFlightVideos
- SpaceX reaches orbit with Falcon 1 - Flight 4 (full video including Elon Musk statement)Spacevidcast (now TMRO -- see new channel)
- SpaceX - Falcon 1, Flight 4SpaceX
- Booster
- F1 B0004 · flight 1 · expendable53/55 landed here
- Mission
- Test Flight · Low Earth Orbit (LEO)
- Milestone
- 4th Falcon 1 flight · 2nd this yearSpaceX's 4th launch2nd this yearhumanity's 4,935th orbital launch attempt50th orbital launch attempt this year
Webcast
Flight preview
Orbit: as tracked
Ratsat · NORAD 33393 · 2008-048 · Space-Track
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2008-048A
- Epoch
- 2008-09-28 22:51:02 UTC
- Mean motion
- 14.79249332 rev/day
- Eccentricity
- 0.0009194
- Inclination
- 9.3329°
- Ascending node
- 63.3956°
- Arg. of perigee
- 262.0542°
- Mean anomaly
- 98.2248°
- 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: LEO. Ascent drawn from padside's representative profile.
Catalogued objects
1 catalogued: 1 payload; 1 still in orbit
- Ratsat · NORAD 33393 · in orbit
Data from J. McDowell, planet4589.org
About this launch
RatSat was an aluminum mass simulator on the fourth flight of the Falcon 1 rocket.
Related page: Falcon 1 - WikipediaRelated page: FLIGHT 4 LAUNCH UPDATE
Pad

Omelek Island, Ronald Reagan Ballistic Missile Defense Test Site, Kwajalein Atoll, Marshall Islands
4th launch from Omelek Island, 2nd this year · 4th from Ronald Reagan Ballistic Missile Defense Test Site, Kwajalein Atoll, Marshall Islands
5 launches from this pad · 5 from Ronald Reagan Ballistic Missile Defense Test Site, Kwajalein Atoll, Marshall Islands
56 days after the previous launch from this pad
All launches from Ronald Reagan Ballistic Missile Defense Test Site, Kwajalein Atoll, Marshall IslandsOpen in maps
Questions
When did RatSat launch?
RatSat launched on September 28, 2008. The time is known to the hour, not the minute.
Where can I watch RatSat?
Coverage: SpaceX Falcon 1 (Flight 4 - High Roller) High Quality; SpaceX reaches orbit with Falcon 1 - Flight 4 (full video including Elon Musk statement); SpaceX - Falcon 1, Flight 4. Watch the replay
What rocket launched RatSat?
Falcon 1, flown by SpaceX. Falcon 1 spec sheet
Where did RatSat launch from?
Omelek Island, Ronald Reagan Ballistic Missile Defense Test Site, Kwajalein Atoll, Marshall Islands.
Did the booster land?
Booster F1 B0004 flew for the 1st time and was expended.
What orbit did RatSat reach?
It reached a 632 × 645 km orbit inclined 9.3°.
How many satellites did RatSat launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] Falcon 1 - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Ffalcon_image_20190222030438.jpeg&w=1600)