Explorer 13

Explorer 13
Explorer 13 satellite
NamesS-55A
Mission typeMicrometeoroid research
OperatorNASA
Harvard designation1961 Chi 1
COSPAR ID1961-022A Edit this at Wikidata
SATCAT no.00180
Mission duration2.5 days (achieved)
Spacecraft properties
SpacecraftExplorer XIII
Spacecraft typeScience Explorer
BusS-55
ManufacturerGoddard Space Flight Center
Launch mass86 kg (190 lb)
Dimensions61 × 1.92 cm (24.02 × 0.76 in) cylinder
PowerSolar cells and nickel-cadmium batteries
Start of mission
Launch date25 August 1961,
18:29:44 GMT[1]
RocketScout X-1 (ST-6)
Launch siteWallops Flight Facility, LA-3
ContractorVought
Entered service25 August 1961
End of mission
Last contact28 August 1961
Decay date28 August 1961
Orbital parameters
Reference systemGeocentric orbit
RegimeLow Earth orbit
Perigee altitude125 km (78 mi)
Apogee altitude1,164 km (723 mi)
Inclination37.7°
Period97.5 minutes
Instruments

Explorer 13, (also called S-55A), was a NASA satellite launched as part of the Explorer program on 25 August 1961, at 18:29:44 GMT,[1] from Wallops Flight Facility (WFF), Virginia.[2]

  1. ^ a b "Launch Log". Jonathan's Space Report. 21 July 2021. Retrieved 6 November 2021.
  2. ^ Cite error: The named reference Display was invoked but never defined (see the help page).