Key statistics
Satellite BISONSAT at a glance.
Uptime
3621
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 BISONSAT.
Object identification
Identified? True
Debris? False
Object name: BISONSAT
International designator: 2015-058E
Object number (NORAD): 40968
Object ID (CCSDS): 40968
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 96.476 minutes
Inclination: 64.7755 deg
SMA: 6967.951 km
Apoapsis: 685.732 km
Periapsis: 493.9 km
RAAN: 67.2706 deg
Eccentricy: 0.01376527
Argument of periapsis: 164.7297 deg
Mean anomaly: 195.8037 deg
Mean motion: 14.92605795 rev/day
Mean motion (dot): 0.00008982 rev/day2
B* drag term: 0.00073646703 1/REarth
Two-line elements (TLE)
Creation date: Sept. 6, 2025, 2:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 5, 2025, 9:06 p.m. UTC
TLE line 0: 0 BISONSAT
TLE line 1: 1 40968U 15058E 25248.87961246 .00008982 00000-0 73647-3 0 9997
TLE line 2: 2 40968 64.7755 67.2706 0137653 164.7297 195.8037 14.92605795 74172
Live tracking on map
Real-time ground track for satellite BISONSAT.
In-orbit conjunctions
There are no conjunctions computed for BISONSAT, 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.
BISONSAT 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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