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Explorer 9

NSSDCA ID: 1961-004A

Launch Information

Launch Date: 1961-02-16 at 13:12:00 UTC
Launch Vehicle: Scout
Launch Site: Wallops Island, United States
Decay Date: 1964-04-09

Trajectory Description

No description available.

Trajectory Details

Type: Orbiter
Central Body: Earth
Epoch start: 1961-02-16 08:12:00 UTC
  Epoch stop: 1964-04-08 19:00:00 UTC
Orbital Parameters
PeriapsisApoapsisPeriodInclinationEccentricity
545 km2,225 km118.6 minutes38.91°0.10814

Key to Apside Units

UnitDefined asEquivalent metric measure
kmkilometer1,000 m
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