Key statistics
Satellite NOAA 9 at a glance.
Uptime
14755
Days in orbit
Revolutions
≈ 14.2
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.1
Latest
Satellite identification and parameters
Extended collection of information and parameters for NOAA 9.
Object identification
Identified? True
Debris? False
Object name: NOAA 9
International designator: 1984-123A
Object number (NORAD): 15427
Object ID (CCSDS): 15427
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 101.629 minutes
Inclination: 99.1232 deg
SMA: 7213.95 km
Apoapsis: 847.093 km
Periapsis: 824.538 km
RAAN: 137.3803 deg
Eccentricy: 0.0015633
Argument of periapsis: 65.5626 deg
Mean anomaly: 107.2366 deg
Mean motion: 14.16912601 rev/day
Mean motion (dot): 0.00000213 rev/day2
B* drag term: 0.0001291 1/REarth
Two-line elements (TLE)
Creation date: May 6, 2025, 3:54 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 5, 2025, 7:09 p.m. UTC
TLE line 0: 0 NOAA 9
TLE line 1: 1 15427U 84123A 25125.79855250 .00000213 00000-0 12910-3 0 9995
TLE line 2: 2 15427 99.1232 137.3803 0015633 65.5626 107.2366 14.16912601 85728
Live tracking on map
Real-time ground track for satellite NOAA 9.
In-orbit conjunctions
A list of the most updated potential collisions computed for object NOAA 9.
Associated space launch
Fourth generation NOAA meteorological satellite
NOAA 9 was lifted into orbit during the mission ‘Atlas E | NOAA 9’, on board a Atlas E space rocket.
The launch took place on Dec. 12, 1984, 10:42 a.m. from Space Launch Complex 3W.
For more information about the launch, click the button.
Atlas E | NOAA 9
Agency: N/A
Status: Launch Successful
Launch date: Dec. 12, 1984, 10:42 a.m. UTC
Rocket: Atlas E
Launch pad: Space Launch Complex 3W
Location: Vandenberg SFB, CA, USA
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