Key statistics
Satellite TANSEI 3 (MS-T3) at a glance.
Uptime
17731
Days in orbit
Revolutions
≈ 10.7
Per day
Orbit
HEO
HEO
Inclination
65.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for TANSEI 3 (MS-T3).
Object identification
Identified? True
Debris? False
Object name: TANSEI 3 (MS-T3)
International designator: 1977-012A
Object number (NORAD): 9841
Object ID (CCSDS): 9841
Country: JAPAN (JPN)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 134.09 minutes
Inclination: 65.7519 deg
SMA: 8678.111 km
Apoapsis: 3804.789 km
Periapsis: 795.163 km
RAAN: 263.0026 deg
Eccentricy: 0.17340332
Argument of periapsis: 338.3777 deg
Mean anomaly: 15.1756 deg
Mean motion: 10.73902812 rev/day
Mean motion (dot): 0.0000002 rev/day2
B* drag term: 0.00016047016 1/REarth
Two-line elements (TLE)
Creation date: Sept. 5, 2025, 7:38 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 5, 2025, 10:50 a.m. UTC
TLE line 0: 0 TANSEI 3 (MS-T3)
TLE line 1: 1 09841U 77012A 25248.45152964 .00000020 00000-0 16047-3 0 9999
TLE line 2: 2 09841 65.7519 263.0026 1734033 338.3777 15.1756 10.73902812903139
Live tracking on map
Real-time ground track for satellite TANSEI 3 (MS-T3).
In-orbit conjunctions
There are no conjunctions computed for TANSEI 3 (MS-T3), at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Japanese satellite used to test the new Mu-3H launch vehicle, experiment magnetic stabilization and ovserve UV radiation
TANSEI 3 (MS-T3) was lifted into orbit during the mission ‘Mu-3H | Tansei-3’, on board a Mu-3H space rocket.
The launch took place on Feb. 19, 1977, 5:15 a.m. from Mu Center.
For more information about the launch, click the button.
Mu-3H | Tansei-3
Agency: N/A
Status: Launch Successful
Launch date: Feb. 19, 1977, 5:15 a.m. UTC
Rocket: Mu-3H
Launch pad: Mu Center
Location: Uchinoura Space Center, Japan
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
