Key statistics
Satellite MOS 1A (MOMO 1) at a glance.
Uptime
14074
Days in orbit
Revolutions
≈ 14.0
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for MOS 1A (MOMO 1).
Object identification
Identified? True
Debris? False
Object name: MOS 1A (MOMO 1)
International designator: 1987-018A
Object number (NORAD): 17527
Object ID (CCSDS): 17527
Country: JAPAN (JPN)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 102.629 minutes
Inclination: 98.8869 deg
SMA: 7261.177 km
Apoapsis: 888.556 km
Periapsis: 877.528 km
RAAN: 294.8912 deg
Eccentricy: 0.00075937
Argument of periapsis: 280.7285 deg
Mean anomaly: 253.8644 deg
Mean motion: 14.03111715 rev/day
Mean motion (dot): 0.00000068 rev/day2
B* drag term: 0.000071222814 1/REarth
Two-line elements (TLE)
Creation date: Aug. 31, 2025, 2:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 30, 2025, 9:55 p.m. UTC
TLE line 0: 0 MOS 1A (MOMO 1)
TLE line 1: 1 17527U 87018A 25242.91349846 .00000068 00000-0 71223-4 0 9998
TLE line 2: 2 17527 98.8869 294.8912 0007594 280.7285 253.8644 14.03111715969352
Live tracking on map
Real-time ground track for satellite MOS 1A (MOMO 1).
In-orbit conjunctions
A list of the most updated potential collisions computed for object MOS 1A (MOMO 1).
Associated space launch
Japanese Earth observation satellite
MOS 1A (MOMO 1) was lifted into orbit during the mission ‘N-2 | Momo 1a’, on board a N-2 space rocket.
The launch took place on Feb. 19, 1987, 1:23 a.m. from Osaki Launch Complex.
For more information about the launch, click the button.
N-2 | Momo 1a
Agency: N/A
Status: Launch Successful
Launch date: Feb. 19, 1987, 1:23 a.m. UTC
Rocket: N-2
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.
