NASA Logo, National Aeronautics and Space Administration
NASA Space Science Data Coordinated Archive Header

Explorer 4

NSSDCA ID: 1958-005A

Launch Information

Launch Date/Time: 1958-07-26T15:00:07Z
Launch Vehicle: Jupiter C (Juno I)
Launch Site: Cape Canaveral, United States
Decay Date: 1959-10-23

Trajectory Description

Orbit History - 26 July 1958: 263 km x 2213 km, period: 110.2 min, inc.: 50.3 deg, ecc.: 0.128 ----- 15 Nov 1958: 261 km x 1928 km, period: 107.1 min, inc.: 50.3 deg, ecc.: 0.112 ----- 21 Mar 1959: 256 km x 1492 km, period: 102.4 min, inc.: 50.2 deg, ecc.: 0.085

Trajectory Details

Type: Orbiter
Central Body: Earth
Epoch start (UTC): 1958-07-26 15:07:00
  Epoch stop (UTC): 
Orbital Parameters
PeriapsisApoapsisPeriodInclinationEccentricity
263.00 km2213.00 km110.20 minutes50.300°0.12794
Regions Traversed

Apside Definitions

UnitDefinition
kmkilometers
 
[USA.gov] NASA Logo - nasa.gov