Key statistics
Satellite NOAA 4 at a glance.
Uptime
18599
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: 102.0092 deg
SMA: 7829.287 km
Apoapsis: 1458.073 km
Periapsis: 1444.231 km
RAAN: 294.181 deg
Eccentricy: 0.00088401
Argument of periapsis: 304.0444 deg
Mean anomaly: 83.6663 deg
Mean motion: 12.53197334 rev/day
Mean motion (dot): -0.00000026 rev/day2
B* drag term: 0.00012888842 1/REarth
Two-line elements (TLE)
Creation date: Oct. 16, 2025, 2:37 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 15, 2025, 11:27 p.m. UTC
TLE line 0: 0 NOAA 4
TLE line 1: 1 07529U 74089A 25288.97770384 -.00000026 00000-0 12889-3 0 9991
TLE line 2: 2 07529 102.0092 294.1810 0008840 304.0444 83.6663 12.53197334328938
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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