Key statistics
Satellite EXPLORER 30 at a glance.
Uptime
21939
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
59.7
Latest
Satellite identification and parameters
Extended collection of information and parameters for EXPLORER 30.
Object identification
Identified? True
Debris? False
Object name: EXPLORER 30
International designator: 1965-093A
Object number (NORAD): 1738
Object ID (CCSDS): 1738
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 99.881 minutes
Inclination: 59.7061 deg
SMA: 7130.961 km
Apoapsis: 841.153 km
Periapsis: 664.499 km
RAAN: 161.0615 deg
Eccentricy: 0.0123864
Argument of periapsis: 221.2075 deg
Mean anomaly: 137.9563 deg
Mean motion: 14.41719059 rev/day
Mean motion (dot): 0.00000356 rev/day2
B* drag term: 0.00014274933 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 4:18 a.m. UTC
TLE line 0: 0 EXPLORER 30
TLE line 1: 1 01738U 65093A 25346.17948748 .00000356 00000-0 14275-3 0 9996
TLE line 2: 2 01738 59.7061 161.0615 0123864 221.2075 137.9563 14.41719059129425
Live tracking on map
Real-time ground track for satellite EXPLORER 30.
In-orbit conjunctions
A list of the most updated potential collisions computed for object EXPLORER 30.
Associated space launch
The NRL Solrad 8 satellite was one of the Solrad series that began in 1960 to provide continuous coverage of solar radiation with a set of standard photometers.
EXPLORER 30 was lifted into orbit during the mission ‘Scout X-4 | Solrad 8’, on board a Scout X-4 space rocket.
The launch took place on Nov. 19, 1965, 4:48 a.m. from Launch Area 3A.
For more information about the launch, click the button.
Scout X-4 | Solrad 8
Agency: N/A
Status: Launch Successful
Launch date: Nov. 19, 1965, 4:48 a.m. UTC
Rocket: Scout X-4
Launch pad: Launch Area 3A
Location: Wallops Flight Facility, Virginia, USA
...
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