Key statistics
Satellite NOAA 4 at a glance.
Uptime
18551
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: 102.0072 deg
SMA: 7829.292 km
Apoapsis: 1458.442 km
Periapsis: 1443.873 km
RAAN: 246.6579 deg
Eccentricy: 0.0009304
Argument of periapsis: 34.0527 deg
Mean anomaly: 20.439 deg
Mean motion: 12.53196035 rev/day
Mean motion (dot): -0.00000039 rev/day2
B* drag term: 0.000048238028 1/REarth
Two-line elements (TLE)
Creation date: Aug. 30, 2025, 3:38 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 29, 2025, 11:08 p.m. UTC
TLE line 0: 0 NOAA 4
TLE line 1: 1 07529U 74089A 25241.96398163 -.00000039 00000-0 48238-4 0 9992
TLE line 2: 2 07529 102.0072 246.6579 0009304 34.0527 20.4390 12.53196035323048
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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