Key statistics
Satellite OV1-20/OV1-21 AKM at a glance.
Uptime
19797
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
87.6
Latest
Satellite identification and parameters
Extended collection of information and parameters for OV1-20/OV1-21 AKM.
Object identification
Identified? True
Debris? False
Object name: OV1-20/OV1-21 AKM
International designator: 1971-067K
Object number (NORAD): 5395
Object ID (CCSDS): 5395
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 99.872 minutes
Inclination: 87.6232 deg
SMA: 7130.541 km
Apoapsis: 792.978 km
Periapsis: 711.834 km
RAAN: 25.3913 deg
Eccentricy: 0.00568991
Argument of periapsis: 127.9614 deg
Mean anomaly: 232.6748 deg
Mean motion: 14.4184652 rev/day
Mean motion (dot): 0.00001955 rev/day2
B* drag term: 0.00058102147 1/REarth
Two-line elements (TLE)
Creation date: Oct. 19, 2025, 2:20 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 18, 2025, 10:14 p.m. UTC
TLE line 0: 0 OV1-20/OV1-21 AKM
TLE line 1: 1 05395U 71067K 25291.92681961 .00001955 00000-0 58102-3 0 9993
TLE line 2: 2 05395 87.6232 25.3913 0056899 127.9614 232.6748 14.41846520822810
Live tracking on map
Real-time ground track for satellite OV1-20/OV1-21 AKM.
In-orbit conjunctions
A list of the most updated potential collisions computed for object OV1-20/OV1-21 AKM.
Associated space launch
High-density satellite designed to obtain atmospheric density data at low altitudes.
OV1-20/OV1-21 AKM was lifted into orbit during the mission ‘Atlas F | LOADS 2’, on board a Atlas F space rocket.
The launch took place on Aug. 7, 1971, 12:11 a.m. from 576A2.
For more information about the launch, click the button.
Atlas F | LOADS 2
Agency: N/A
Status: Launch Successful
Launch date: Aug. 7, 1971, 12:11 a.m. UTC
Rocket: Atlas F
Launch pad: 576A2
Location: Vandenberg SFB, CA, 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.
