Key statistics
Satellite USA 22 at a glance.
Uptime
13875
Days in orbit
Revolutions
≈ 14.0
Per day
Orbit
LEO
Low Earth Orbit
Inclination
63.3
Latest
Satellite identification and parameters
Extended collection of information and parameters for USA 22.
Object identification
Identified? True
Debris? False
Object name: USA 22
International designator: 1987-043A
Object number (NORAD): 17997
Object ID (CCSDS): 17997
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 102.936 minutes
Inclination: 63.2915 deg
SMA: 7275.638 km
Apoapsis: 1442.205 km
Periapsis: 352.802 km
RAAN: 279.5742 deg
Eccentricy: 0.0748665
Argument of periapsis: 100.3488 deg
Mean anomaly: 268.2768 deg
Mean motion: 13.98930393 rev/day
Mean motion (dot): 0.00024126 rev/day2
B* drag term: 0.0011657 1/REarth
Two-line elements (TLE)
Creation date: May 10, 2025, 2:32 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 9, 2025, 9:46 p.m. UTC
TLE line 0: 0 USA 22
TLE line 1: 1 17997U 87043A 25129.90698639 .00024126 00000-0 11657-2 0 9991
TLE line 2: 2 17997 63.2915 279.5742 0748665 100.3488 268.2768 13.98930393 49782
Live tracking on map
Real-time ground track for satellite USA 22.
In-orbit conjunctions
There are no conjunctions computed for USA 22, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
The Parcae satellites were passive ELINT satellites. MSD satellites were dispensers of triplets of ocean surveillance satellites.
USA 22 was lifted into orbit during the mission ‘Atlas H | Parcae 9A,B,C & MSD 9’, on board a Atlas H space rocket.
The launch took place on May 15, 1987, 3:45 p.m. from Space Launch Complex 3E.
For more information about the launch, click the button.
Atlas H | Parcae 9A,B,C & MSD 9
Agency: N/A
Status: Launch Successful
Launch date: May 15, 1987, 3:45 p.m. UTC
Rocket: Atlas H
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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