Key statistics
Satellite KYOKKO 1 (EXOS A) at a glance.
Uptime
17431
Days in orbit
Revolutions
≈ 10.8
Per day
Orbit
HEO
HEO
Inclination
65.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for KYOKKO 1 (EXOS A).
Object identification
Identified? True
Debris? False
Object name: KYOKKO 1 (EXOS A)
International designator: 1978-014A
Object number (NORAD): 10664
Object ID (CCSDS): 10664
Country: JAPAN (JPN)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 133.846 minutes
Inclination: 65.3741 deg
SMA: 8667.56 km
Apoapsis: 3929.955 km
Periapsis: 648.894 km
RAAN: 284.2352 deg
Eccentricy: 0.18927244
Argument of periapsis: 71.4552 deg
Mean anomaly: 308.1934 deg
Mean motion: 10.7586433 rev/day
Mean motion (dot): 0.00000063 rev/day2
B* drag term: 0.0001292471 1/REarth
Two-line elements (TLE)
Creation date: Oct. 26, 2025, 2:54 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 25, 2025, 9:30 p.m. UTC
TLE line 0: 0 KYOKKO 1 (EXOS A)
TLE line 1: 1 10664U 78014A 25298.89623411 .00000063 00000-0 12925-3 0 9998
TLE line 2: 2 10664 65.3741 284.2352 1892724 71.4552 308.1934 10.75864330857564
Live tracking on map
Real-time ground track for satellite KYOKKO 1 (EXOS A).
Associated space launch
Japanese magnetospheric research satellite
KYOKKO 1 (EXOS A) was lifted into orbit during the mission ‘Mu-3H | Kyokko’, on board a Mu-3H space rocket.
The launch took place on Feb. 4, 1978, 7 a.m. from Mu Center.
For more information about the launch, click the button.
Mu-3H | Kyokko
Agency: N/A
Status: Launch Successful
Launch date: Feb. 4, 1978, 7 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.
