Key statistics
Satellite ARC-1 at a glance.
Uptime
3559
Days in orbit
Revolutions
≈ 15.2
Per day
Orbit
LEO
Low Earth Orbit
Inclination
64.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for ARC-1.
Object identification
Identified? True
Debris? False
Object name: ARC-1
International designator: 2015-058F
Object number (NORAD): 40969
Object ID (CCSDS): 40969
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 94.699 minutes
Inclination: 64.7708 deg
SMA: 6882.123 km
Apoapsis: 558.765 km
Periapsis: 449.211 km
RAAN: 187.4764 deg
Eccentricy: 0.0079593
Argument of periapsis: 184.6021 deg
Mean anomaly: 175.4384 deg
Mean motion: 15.20614461 rev/day
Mean motion (dot): 0.00016051 rev/day2
B* drag term: 0.00067629 1/REarth
Two-line elements (TLE)
Creation date: July 5, 2025, 5:45 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 5, 2025, 8:53 a.m. UTC
TLE line 0: 0 ARC-1
TLE line 1: 1 40969U 15058F 25186.37020120 .00016051 00000-0 67629-3 0 9990
TLE line 2: 2 40969 64.7708 187.4764 0079593 184.6021 175.4384 15.20614461 63869
Live tracking on map
Real-time ground track for satellite ARC-1.
In-orbit conjunctions
There are no conjunctions computed for ARC-1, 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.
ARC-1 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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