Key statistics
Satellite NOAA 9 at a glance.
Uptime
14816
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: 101.628 minutes
Inclination: 99.121 deg
SMA: 7213.882 km
Apoapsis: 845.587 km
Periapsis: 825.906 km
RAAN: 199.7166 deg
Eccentricy: 0.0013641
Argument of periapsis: 250.1768 deg
Mean anomaly: 220.2095 deg
Mean motion: 14.1693273 rev/day
Mean motion (dot): 0.00000095 rev/day2
B* drag term: 0.000070802 1/REarth
Two-line elements (TLE)
Creation date: July 5, 2025, 5:45 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 5, 2025, 2:03 p.m. UTC
TLE line 0: 0 NOAA 9
TLE line 1: 1 15427U 84123A 25186.58549340 .00000095 00000-0 70802-4 0 9992
TLE line 2: 2 15427 99.1210 199.7166 0013641 250.1768 220.2095 14.16932730 94331
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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