Key statistics
Satellite NOAA 4 at a glance.
Uptime
18495
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: 102.0029 deg
SMA: 7829.296 km
Apoapsis: 1458.455 km
Periapsis: 1443.866 km
RAAN: 189.7087 deg
Eccentricy: 0.0009317
Argument of periapsis: 137.3513 deg
Mean anomaly: 335.7827 deg
Mean motion: 12.53195183 rev/day
Mean motion (dot): -0.00000031 rev/day2
B* drag term: 0.000094463 1/REarth
Two-line elements (TLE)
Creation date: July 4, 2025, 6:39 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 4, 2025, 2:48 p.m. UTC
TLE line 0: 0 NOAA 4
TLE line 1: 1 07529U 74089A 25185.61720374 -.00000031 00000-0 94463-4 0 9997
TLE line 2: 2 07529 102.0029 189.7087 0009317 137.3513 335.7827 12.53195183315981
Live tracking on map
Real-time ground track for satellite NOAA 4.
In-orbit conjunctions
There are no conjunctions computed for NOAA 4, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated 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
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
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