Key statistics
Satellite MOS 1B (MOMO 1B) at a glance.
Uptime
12875
Days in orbit
Revolutions
≈ 14.0
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.3
Latest
Satellite identification and parameters
Extended collection of information and parameters for MOS 1B (MOMO 1B).
Object identification
Identified? True
Debris? False
Object name: MOS 1B (MOMO 1B)
International designator: 1990-013A
Object number (NORAD): 20478
Object ID (CCSDS): 20478
Country: JAPAN (JPN)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 103.155 minutes
Inclination: 99.2732 deg
SMA: 7285.944 km
Apoapsis: 911.676 km
Periapsis: 903.941 km
RAAN: 183.1791 deg
Eccentricy: 0.0005308
Argument of periapsis: 197.8784 deg
Mean anomaly: 162.2191 deg
Mean motion: 13.95963454 rev/day
Mean motion (dot): -0.000001 rev/day2
B* drag term: -0.000039714 1/REarth
Two-line elements (TLE)
Creation date: May 9, 2025, 2:46 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 8, 2025, 4:32 p.m. UTC
TLE line 0: 0 MOS 1B (MOMO 1B)
TLE line 1: 1 20478U 90013A 25128.68930459 -.00000100 00000-0 -39714-4 0 9997
TLE line 2: 2 20478 99.2732 183.1791 0005308 197.8784 162.2191 13.95963454715593
Live tracking on map
Real-time ground track for satellite MOS 1B (MOMO 1B).
In-orbit conjunctions
A list of the most updated potential collisions computed for object MOS 1B (MOMO 1B).
Associated space launch
Japanese Earth observation satellite
MOS 1B (MOMO 1B) was lifted into orbit during the mission ‘H-1 | Momo 1b’, on board a H-1 space rocket.
The launch took place on Feb. 7, 1990, 1:33 a.m. from Osaki Launch Complex.
For more information about the launch, click the button.
H-1 | Momo 1b
Agency: N/A
Status: Launch Successful
Launch date: Feb. 7, 1990, 1:33 a.m. UTC
Rocket: H-1
Launch pad: Osaki Launch Complex
Location: Tanegashima 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.
