Key statistics
Satellite XSS 10 at a glance.
Uptime
8251
Days in orbit
Revolutions
≈ 14.9
Per day
Orbit
LEO
Low Earth Orbit
Inclination
39.7
Latest
Satellite identification and parameters
Extended collection of information and parameters for XSS 10.
Object identification
Identified? True
Debris? False
Object name: XSS 10
International designator: 2003-005B
Object number (NORAD): 27664
Object ID (CCSDS): 27664
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 96.768 minutes
Inclination: 39.7461 deg
SMA: 6982.045 km
Apoapsis: 711.247 km
Periapsis: 496.574 km
RAAN: 274.4064 deg
Eccentricy: 0.01537324
Argument of periapsis: 187.5444 deg
Mean anomaly: 172.3022 deg
Mean motion: 14.88088507 rev/day
Mean motion (dot): 0.000033 rev/day2
B* drag term: 0.0002961842 1/REarth
Two-line elements (TLE)
Creation date: Aug. 31, 2025, 2:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 30, 2025, 6:43 p.m. UTC
TLE line 0: 0 XSS 10
TLE line 1: 1 27664U 03005B 25242.78002635 .00003300 00000-0 29618-3 0 9994
TLE line 2: 2 27664 39.7461 274.4064 0153732 187.5444 172.3022 14.88088507219321
Live tracking on map
Real-time ground track for satellite XSS 10.
In-orbit conjunctions
A list of the most updated potential collisions computed for object XSS 10.
Associated space launch
USA-166, also known as GPS IIR-8 and GPS SVN-56, is an American navigation satellite which forms part of the Global Positioning System. It was the eighth Block IIR GPS satellite to be launched, out of thirteen in the original configuration, and twenty one overall.
XSS 10 was lifted into orbit during the mission ‘Delta II | GPS IIR-8’, on board a Delta II space rocket.
The launch took place on Jan. 29, 2003, 6:06 p.m. from Space Launch Complex 17B.
For more information about the launch, click the button.

Delta II | GPS IIR-8
Agency: N/A
Status: Launch Successful
Launch date: Jan. 29, 2003, 6:06 p.m. UTC
Rocket: Delta II
Launch pad: Space Launch Complex 17B
Location: Cape Canaveral SFS, FL, USA
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