EXPLORER 4

Satellite information

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Satellite Type and Status

PAYLOADDECAYED

Key statistics

Satellite EXPLORER 4 at a glance.

Uptime

454

Days in orbit

Revolutions

N/A

Per day

Orbit

LEO

Low Earth Orbit

Inclination

N/A

Latest

Satellite identification and parameters

Extended collection of information and parameters for EXPLORER 4.

Object identification

Object name: EXPLORER 4

International designator: 1958-005A

Object number (NORAD): 9

Object ID (CCSDS): 9

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

Orbital parameters

Decay date: Oct. 23, 1959

Inclination: 50.25 deg

Period: 92.81 minutes

Apoapsis: 585.0 km

Periapsis: 239.0 km

Two-line elements (TLE)

No TLE available, as this satellite has decayed and is no longer in orbit.

Live tracking on map

Satellite EXPLORER 4 has decayed and is no longer in orbit. No tracking available.

Associated space launch

An American satellite in order to study the Van Allen radiation belts and the effects of nuclear explosions upon these belts.

EXPLORER 4 was lifted into orbit during the mission ‘Juno-I | Explorer 4’, on board a Juno-I space rocket.

The launch took place on July 26, 1958, 3 p.m. from Launch Complex 5.

For more information about the launch, click the button.

Launch to space Juno-I | Explorer 4
Juno-I | Explorer 4

Agency: N/A

Status: Launch Successful

Launch date: July 26, 1958, 3 p.m. UTC

Rocket: Juno-I

Launch pad: Launch Complex 5

Location: Cape Canaveral SFS, FL, USA

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