Key statistics
Satellite EXPLORER 27 at a glance.
Uptime
22048
Days in orbit
Revolutions
≈ 13.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
41.2
Latest
Satellite identification and parameters
Extended collection of information and parameters for EXPLORER 27.
Object identification
Identified? True
Debris? False
Object name: EXPLORER 27
International designator: 1965-032A
Object number (NORAD): 1328
Object ID (CCSDS): 1328
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 107.551 minutes
Inclination: 41.184 deg
SMA: 7491.526 km
Apoapsis: 1296.694 km
Periapsis: 930.088 km
RAAN: 142.3285 deg
Eccentricy: 0.02446801
Argument of periapsis: 281.3367 deg
Mean anomaly: 75.999 deg
Mean motion: 13.38897438 rev/day
Mean motion (dot): -0.00000028 rev/day2
B* drag term: 0.000080706433 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 6:18 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 8, 2025, 1:14 p.m. UTC
TLE line 0: 0 EXPLORER 27
TLE line 1: 1 01328U 65032A 25251.55144784 -.00000028 00000-0 80706-4 0 9999
TLE line 2: 2 01328 41.1840 142.3285 0244680 281.3367 75.9990 13.38897438950583
Live tracking on map
Real-time ground track for satellite EXPLORER 27.
In-orbit conjunctions
There are no conjunctions computed for EXPLORER 27, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
The BE (Beacon Explorer) satellites provided Laser reflectors for geodetic measurements as well measured the electron density in the ionosphere.
EXPLORER 27 was lifted into orbit during the mission ‘Scout X-4 | Beacon Explorer C’, on board a Scout X-4 space rocket.
The launch took place on April 29, 1965, 2:17 p.m. from Launch Area 3A.
For more information about the launch, click the button.
Scout X-4 | Beacon Explorer C
Agency: N/A
Status: Launch Successful
Launch date: April 29, 1965, 2:17 p.m. UTC
Rocket: Scout X-4
Launch pad: Launch Area 3A
Location: Wallops Flight Facility, Virginia, USA
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
