Key statistics
Satellite ITOS 1 (TIROS M) at a glance.
Uptime
20257
Days in orbit
Revolutions
≈ 12.5
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
101.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for ITOS 1 (TIROS M).
Object identification
Identified? True
Debris? False
Object name: ITOS 1 (TIROS M)
International designator: 1970-008A
Object number (NORAD): 4320
Object ID (CCSDS): 4320
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 115.006 minutes
Inclination: 101.4199 deg
SMA: 7833.807 km
Apoapsis: 1477.3 km
Periapsis: 1434.044 km
RAAN: 232.77 deg
Eccentricy: 0.0027608
Argument of periapsis: 263.5188 deg
Mean anomaly: 270.4667 deg
Mean motion: 12.52112817 rev/day
Mean motion (dot): -0.00000019 rev/day2
B* drag term: 0.00015195 1/REarth
Two-line elements (TLE)
Creation date: July 9, 2025, 2:22 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 8, 2025, 8:30 p.m. UTC
TLE line 0: 0 ITOS 1 (TIROS M)
TLE line 1: 1 04320U 70008A 25189.85465711 -.00000019 00000-0 15195-3 0 9991
TLE line 2: 2 04320 101.4199 232.7700 0027608 263.5188 270.4667 12.52112817730881
Live tracking on map
Real-time ground track for satellite ITOS 1 (TIROS M).
Associated space launch
Sun-synchronous meteorological satellite
ITOS 1 (TIROS M) was lifted into orbit during the mission ‘Thor Delta N6 | ITOS 1’, on board a Thor Delta N6 space rocket.
The launch took place on Jan. 23, 1970, 11:31 a.m. from Space Launch Complex 2W.
For more information about the launch, click the button.
Thor Delta N6 | ITOS 1
Agency: N/A
Status: Launch Successful
Launch date: Jan. 23, 1970, 11:31 a.m. UTC
Rocket: Thor Delta N6
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
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