Key statistics
Satellite EXPLORER 11 at a glance.
Uptime
23388
Days in orbit
Revolutions
≈ 14.2
Per day
Orbit
LEO
Low Earth Orbit
Inclination
28.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for EXPLORER 11.
Object identification
Identified? True
Debris? False
Object name: EXPLORER 11
International designator: 1961-013A
Object number (NORAD): 107
Object ID (CCSDS): 107
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 101.444 minutes
Inclination: 28.7882 deg
SMA: 7205.176 km
Apoapsis: 1190.874 km
Periapsis: 463.209 km
RAAN: 125.8392 deg
Eccentricy: 0.050496
Argument of periapsis: 315.1511 deg
Mean anomaly: 40.9298 deg
Mean motion: 14.19501505 rev/day
Mean motion (dot): 0.00005496 rev/day2
B* drag term: 0.00066547 1/REarth
Two-line elements (TLE)
Creation date: May 9, 2025, 2:46 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 8, 2025, 9:13 a.m. UTC
TLE line 0: 0 EXPLORER 11
TLE line 1: 1 00107U 61013A 25128.38465020 .00005496 00000-0 66547-3 0 9990
TLE line 2: 2 00107 28.7882 125.8392 0504960 315.1511 40.9298 14.19501505218875
Live tracking on map
Real-time ground track for satellite EXPLORER 11.
Associated space launch
EXPLORER 11 was lifted into orbit during the mission ‘Juno II | Explorer 11’, on board a Juno II space rocket.
The launch took place on April 27, 1961, 2:16 p.m. from Launch Complex 26B.
For more information about the launch, click the button.
Juno II | Explorer 11
Agency: N/A
Status: Launch Successful
Launch date: April 27, 1961, 2:16 p.m. UTC
Rocket: Juno II
Launch pad: Launch Complex 26B
Location: Cape Canaveral SFS, FL, USA
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