Key statistics
Satellite TIROS 1 at a glance.
Uptime
24025
Days in orbit
Revolutions
≈ 14.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
48.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for TIROS 1.
Object identification
Identified? True
Debris? False
Object name: TIROS 1
International designator: 1960-002B
Object number (NORAD): 29
Object ID (CCSDS): 29
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 97.397 minutes
Inclination: 48.3791 deg
SMA: 7012.259 km
Apoapsis: 650.232 km
Periapsis: 618.016 km
RAAN: 71.0079 deg
Eccentricy: 0.0022971
Argument of periapsis: 293.3754 deg
Mean anomaly: 66.4744 deg
Mean motion: 14.78481297 rev/day
Mean motion (dot): 0.00000984 rev/day2
B* drag term: 0.0001618 1/REarth
Two-line elements (TLE)
Creation date: Jan. 7, 2026, 7:57 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Jan. 6, 2026, 9:36 p.m. UTC
TLE line 0: 0 TIROS 1
TLE line 1: 1 29U 60002B 26006.90017549 .00000984 00000-0 16180-3 0 9998
TLE line 2: 2 29 48.3791 71.0079 0022971 293.3754 66.4744 14.78481297518267
Live tracking on map
Real-time ground track for satellite TIROS 1.
In-orbit conjunctions
A list of the most updated potential collisions computed for object TIROS 1.
Associated space launch
TIROS-1 was the first successful low-Earth orbital weather satellite, and the first of a series of Television Infrared Observation Satellites.
TIROS 1 was lifted into orbit during the mission ‘Thor Able II | Tiros 1’, on board a Thor Able II space rocket.
The launch took place on April 1, 1960, 11:40 a.m. from Space Launch Complex 17A.
For more information about the launch, click the button.
Thor Able II | Tiros 1
Agency: N/A
Status: Launch Successful
Launch date: April 1, 1960, 11:40 a.m. UTC
Rocket: Thor Able II
Launch pad: Space Launch Complex 17A
Location: Cape Canaveral SFS, FL, USA
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