Key statistics
Satellite PROPCUBE 3 at a glance.
Uptime
3720
Days in orbit
Revolutions
≈ 14.9
Per day
Orbit
LEO
Low Earth Orbit
Inclination
64.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for PROPCUBE 3.
Object identification
Identified? True
Debris? False
Object name: PROPCUBE 3
International designator: 2015-058K
Object number (NORAD): 40973
Object ID (CCSDS): 40973
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 96.469 minutes
Inclination: 64.7686 deg
SMA: 6967.642 km
Apoapsis: 680.309 km
Periapsis: 498.705 km
RAAN: 111.5199 deg
Eccentricy: 0.01303198
Argument of periapsis: 133.4869 deg
Mean anomaly: 227.7168 deg
Mean motion: 14.92705068 rev/day
Mean motion (dot): 0.00006845 rev/day2
B* drag term: 0.00057433795 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 3:55 p.m. UTC
TLE line 0: 0 PROPCUBE 3
TLE line 1: 1 40973U 15058K 25347.66376774 .00006845 00000-0 57434-3 0 9998
TLE line 2: 2 40973 64.7686 111.5199 0130320 133.4869 227.7168 14.92705068 87091
Live tracking on map
Real-time ground track for satellite PROPCUBE 3.
In-orbit conjunctions
There are no conjunctions computed for PROPCUBE 3, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Classified payload for the U.S. National Reconnaissance Office.
PROPCUBE 3 was lifted into orbit during the mission ‘Atlas V 401 | NROL-55 (Multipayload mission)’, on board a Atlas V 401 space rocket.
The launch took place on Oct. 8, 2015, 12:49 p.m. from Space Launch Complex 3E.
For more information about the launch, click the button.
Atlas V 401 | NROL-55 (Multipayload mission)
Agency: N/A
Status: Launch Successful
Launch date: Oct. 8, 2015, 12:49 p.m. UTC
Rocket: Atlas V 401
Launch pad: Space Launch Complex 3E
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.
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