Key statistics
Satellite WEOS at a glance.
Uptime
8297
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for WEOS.
Object identification
Identified? True
Debris? False
Object name: WEOS
International designator: 2002-056C
Object number (NORAD): 27599
Object ID (CCSDS): 27599
Country: JAPAN (JPN)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 100.652 minutes
Inclination: 98.7715 deg
SMA: 7167.626 km
Apoapsis: 797.238 km
Periapsis: 781.743 km
RAAN: 203.2236 deg
Eccentricy: 0.00108091
Argument of periapsis: 80.0617 deg
Mean anomaly: 280.1784 deg
Mean motion: 14.30670975 rev/day
Mean motion (dot): 0.00000356 rev/day2
B* drag term: 0.00015344963 1/REarth
Two-line elements (TLE)
Creation date: Sept. 1, 2025, 2:20 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 31, 2025, 8:09 p.m. UTC
TLE line 0: 0 WEOS
TLE line 1: 1 27599U 02056C 25243.84012468 .00000356 00000-0 15345-3 0 9999
TLE line 2: 2 27599 98.7715 203.2236 0010809 80.0617 280.1784 14.30670975184970
Live tracking on map
Real-time ground track for satellite WEOS.
In-orbit conjunctions
A list of the most updated potential collisions computed for object WEOS.
Associated space launch
Midori II has been engaged in various observation missions to understand the realities and causes of global environmental changes, such as abnormal weather conditions and the expansion of the ozone hole.
WEOS was lifted into orbit during the mission ‘H-IIA 202 | Midori-2’, on board a H-IIA space rocket.
The launch took place on Dec. 14, 2002, 1:31 a.m. from Yoshinobu Launch Complex LP-1.
For more information about the launch, click the button.
H-IIA 202 | Midori-2
Agency: N/A
Status: Launch Successful
Launch date: Dec. 14, 2002, 1:31 a.m. UTC
Rocket: H-IIA
Launch pad: Yoshinobu Launch Complex LP-1
Location: Tanegashima Space Center, Japan
...
Latest news about this satellite
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