Names | AD-B Air Density experiment-B |
---|---|
Mission type | Air density |
Operator | NASA |
COSPAR ID | 1964-076A |
SATCAT no. | 00931 |
Mission duration | 1426 days (achieved) [1] |
Spacecraft properties | |
Spacecraft | Explorer XXIV |
Spacecraft type | Explorer |
Bus | AD |
Manufacturer | Langley Research Center |
Launch mass | 8.6 kg (19 lb) |
Dimensions | 3.6 m (12 ft) diameter |
Power | Solar cells and rechargeable batteries |
Start of mission | |
Launch date | 21 November 1964, 17:09:39 GMT[2][3] |
Rocket | Scout X-4 (S-135R) [4] |
Launch site | Vandenberg, PALC-D |
Contractor | Vought |
Entered service | 21 November 1964 |
End of mission | |
Decay date | 18 October 1968 |
Orbital parameters | |
Reference system | Geocentric orbit[5] |
Regime | Low Earth orbit |
Perigee altitude | 525 km (326 mi) |
Apogee altitude | 2,498 km (1,552 mi) |
Inclination | 81.40° |
Period | 116.30 minutes |
Instruments | |
Nonsystematic Changes of Air Density Systematic Changes of Air Density | |
Explorer program |
Explorer 24 (also called AD-B, Air Density experiment-B and S-56C) was a NASA satellite designed for atmospheric studies. Explorer 24 was launched on 21 November 1964 from Vandenberg Air Force Base, Lompoc, California, with a Scout X-4. Explorer 24 was launched along with its successor satellite, Explorer 25.[6]