| Mission type | Weather satellite |
|---|---|
| Operator | NASA |
| COSPAR ID | NIMBS-B |
| Mission duration | Launch failure |
| Spacecraft properties | |
| Manufacturer | RCA Astrospace |
| Launch mass | 571.5 kilograms (1,260 lb)[1] |
| Start of mission | |
| Launch date | May 18, 1968, 08:23:00 UTC[2] |
| Rocket | Thorad-SLV2G Agena-D |
| Launch site | Vandenberg SLC-2E |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Epoch | Planned[1] |
Nimbus B was a meteorological satellite launched as part of the Nimbus program. It was released on May 18, 1968 from the Vandenberg Air Force Base, Lompoc, California, by means of a Thor-Agena launch vehicle, together with the SECOR 10 satellite. Nimbus B never achieved orbit because a malfunction in the booster guidance system forced the destruction of the spacecraft and its payload during launch.
The Radioisotope Thermoelectric Generator SNAP-19 RTG was salvaged from the water, refurbished and later flown on Nimbus 3.[3]
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