Key statistics
Satellite EXPLORER 39 (ADI-3) at a glance.
Uptime
4701
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 39 (ADI-3).
Object identification
Object name: EXPLORER 39 (ADI-3)
International designator: 1968-066A
Object number (NORAD): 3337
Object ID (CCSDS): 3337
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Decay date: June 22, 1981
Inclination: 80.54 deg
Period: 89.48 minutes
Apoapsis: 278.0 km
Periapsis: 219.0 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 39 (ADI-3) has decayed and is no longer in orbit. No tracking available.
In-orbit conjunctions
Satellite EXPLORER 39 (ADI-3) has decayed and is no longer in orbit. No conjunctions available.
Associated space launch
Explorer 39 was an inflatable sphere, 3.6 m in diameter. It was orbited to make atmospheric density determinations.
EXPLORER 39 (ADI-3) was lifted into orbit during the mission ‘Scout B | Explorer 39’, on board a Scout B space rocket.
The launch took place on Aug. 8, 1968, 8:12 p.m. from Space Launch Complex 5.
For more information about the launch, click the button.
Scout B | Explorer 39
Agency: N/A
Status: Launch Successful
Launch date: Aug. 8, 1968, 8:12 p.m. UTC
Rocket: Scout B
Launch pad: Space Launch Complex 5
Location: Vandenberg SFB, CA, USA
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