Key statistics
Satellite WESTPAC at a glance.
Uptime
10018
Days in orbit
Revolutions
≈ 14.2
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for WESTPAC.
Object identification
Identified? True
Debris? False
Object name: WESTPAC
International designator: 1998-043E
Object number (NORAD): 25398
Object ID (CCSDS): 25398
Country: AUSTRALIA (AUS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 101.192 minutes
Inclination: 98.994 deg
SMA: 7193.232 km
Apoapsis: 816.565 km
Periapsis: 813.629 km
RAAN: 322.9937 deg
Eccentricy: 0.00020402
Argument of periapsis: 54.128 deg
Mean anomaly: 306.0086 deg
Mean motion: 14.23038512 rev/day
Mean motion (dot): 0.00000025 rev/day2
B* drag term: 0.000031829975 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 4:04 a.m. UTC
TLE line 0: 0 WESTPAC
TLE line 1: 1 25398U 98043E 25346.16964800 .00000025 00000-0 31830-4 0 9991
TLE line 2: 2 25398 98.9940 322.9937 0002040 54.1280 306.0086 14.23038512424348
Live tracking on map
Real-time ground track for satellite WESTPAC.
In-orbit conjunctions
There are no conjunctions computed for WESTPAC, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Resurs-O1 N4 or Resurs-O1 2 is the fourth earth observation satellite in the Russian Resurs-O1 program.
WESTPAC was lifted into orbit during the mission ‘Zenit-2 | Resurs-O1’, on board a Zenit-2 space rocket.
The launch took place on July 10, 1998, 6:30 a.m. from 45/1.
For more information about the launch, click the button.
Zenit-2 | Resurs-O1
Agency: N/A
Status: Launch Successful
Launch date: July 10, 1998, 6:30 a.m. UTC
Rocket: Zenit-2
Launch pad: 45/1
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
Latest news about this satellite
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