Key statistics
Satellite N-1 R/B at a glance.
Uptime
18130
Days in orbit
Revolutions
≈ 13.7
Per day
Orbit
LEO
Low Earth Orbit
Inclination
69.7
Latest
Satellite identification and parameters
Extended collection of information and parameters for N-1 R/B.
Object identification
Identified? True
Debris? False
Object name: N-1 R/B
International designator: 1976-019B
Object number (NORAD): 8710
Object ID (CCSDS): 8710
Country: JAPAN (JPN)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 105.111 minutes
Inclination: 69.679 deg
SMA: 7377.778 km
Apoapsis: 1011.353 km
Periapsis: 987.933 km
RAAN: 353.4903 deg
Eccentricy: 0.00158715
Argument of periapsis: 253.9819 deg
Mean anomaly: 279.7804 deg
Mean motion: 13.69980469 rev/day
Mean motion (dot): 0.0 rev/day2
B* drag term: 0.000059395008 1/REarth
Two-line elements (TLE)
Creation date: Oct. 19, 2025, 2:20 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 18, 2025, 11:13 p.m. UTC
TLE line 0: 0 N-1 R/B
TLE line 1: 1 08710U 76019B 25291.96803551 .00000000 00000-0 59395-4 0 9990
TLE line 2: 2 08710 69.6790 353.4903 0015871 253.9819 279.7804 13.69980469482030
Live tracking on map
Real-time ground track for satellite N-1 R/B.
Associated space launch
Japanese ionospheric research satellite
N-1 R/B was lifted into orbit during the mission ‘N-I | Ume 1’, on board a N-I space rocket.
The launch took place on Feb. 29, 1976, 3:30 a.m. from Osaki Launch Complex.
For more information about the launch, click the button.
N-I | Ume 1
Agency: N/A
Status: Launch Successful
Launch date: Feb. 29, 1976, 3:30 a.m. UTC
Rocket: N-I
Launch pad: Osaki Launch Complex
Location: Tanegashima Space Center, Japan
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