Key statistics
Satellite NOAA 4 at a glance.
Uptime
18656
Days in orbit
Revolutions
≈ 12.5
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
102.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for NOAA 4.
Object identification
Identified? True
Debris? False
Object name: NOAA 4
International designator: 1974-089A
Object number (NORAD): 7529
Object ID (CCSDS): 7529
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 114.906 minutes
Inclination: 102.0069 deg
SMA: 7829.279 km
Apoapsis: 1458.198 km
Periapsis: 1444.089 km
RAAN: 352.1014 deg
Eccentricy: 0.00090106
Argument of periapsis: 192.6232 deg
Mean anomaly: 178.7201 deg
Mean motion: 12.53199252 rev/day
Mean motion (dot): -0.00000023 rev/day2
B* drag term: 0.00014797566 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 7 a.m. UTC
TLE line 0: 0 NOAA 4
TLE line 1: 1 07529U 74089A 25346.29168476 -.00000023 00000-0 14798-3 0 9992
TLE line 2: 2 07529 102.0069 352.1014 0009011 192.6232 178.7201 12.53199252336114
Live tracking on map
Real-time ground track for satellite NOAA 4.
Associated space launch
Meteorological satellite using radiometric imaging
NOAA 4 was lifted into orbit during the mission ‘Delta 2310 | NOAA 4’, on board a Delta 2310 space rocket.
The launch took place on Nov. 15, 1974, 5:11 p.m. from Space Launch Complex 2W.
For more information about the launch, click the button.
Delta 2310 | NOAA 4
Agency: N/A
Status: Launch Successful
Launch date: Nov. 15, 1974, 5:11 p.m. UTC
Rocket: Delta 2310
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
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