Key statistics
Satellite TRIAD 1 at a glance.
Uptime
19301
Days in orbit
Revolutions
≈ 14.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
90.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for TRIAD 1.
Object identification
Identified? True
Debris? False
Object name: TRIAD 1
International designator: 1972-069A
Object number (NORAD): 6173
Object ID (CCSDS): 6173
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 99.168 minutes
Inclination: 89.9992 deg
SMA: 7097.016 km
Apoapsis: 755.752 km
Periapsis: 682.01 km
RAAN: 208.1999 deg
Eccentricy: 0.0051953
Argument of periapsis: 137.403 deg
Mean anomaly: 343.2317 deg
Mean motion: 14.52075232 rev/day
Mean motion (dot): 0.00000497 rev/day2
B* drag term: 0.00011735 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 10:16 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 2:55 p.m. UTC
TLE line 0: 0 TRIAD 1
TLE line 1: 1 6173U 72069A 25187.62184116 .00000497 00000-0 11735-3 0 9993
TLE line 2: 2 6173 89.9992 208.1999 0051953 137.4030 343.2317 14.52075232780632
Live tracking on map
Real-time ground track for satellite TRIAD 1.
In-orbit conjunctions
A list of the most updated potential collisions computed for object TRIAD 1.
Associated space launch
Satellite designed to accurately measure atmospheric drag in order to improve the accuracy of the USN Transit Navigation System
TRIAD 1 was lifted into orbit during the mission ‘Scout B-1 | Triad 1’, on board a Scout B-1 space rocket.
The launch took place on Sept. 2, 1972, 5:50 p.m. from Space Launch Complex 5.
For more information about the launch, click the button.
Scout B-1 | Triad 1
Agency: N/A
Status: Launch Successful
Launch date: Sept. 2, 1972, 5:50 p.m. UTC
Rocket: Scout B-1
Launch pad: Space Launch Complex 5
Location: Vandenberg SFB, CA, USA
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