M-4S R/B

Satellite information

Favourite Embed

Satellite Type and Status

ROCKET BODYIN ORBIT

Key statistics

Satellite M-4S R/B at a glance.

Uptime

19530

Days in orbit

Revolutions

≈ 12.9

Per day

Orbit

LEO

Low Earth Orbit

Inclination

32.0

Latest

Satellite identification and parameters

Extended collection of information and parameters for M-4S R/B.

Object identification

Identified? True

Debris? False

Object name: M-4S R/B

International designator: 1971-080B

Object number (NORAD): 5498

Object ID (CCSDS): 5498

Country: JAPAN (JPN)

Current information (Y/N): Y

RCS size: MEDIUM

Orbital parameters

Period: 111.76 minutes

Inclination: 32.0352 deg

SMA: 7685.712 km

Apoapsis: 1748.969 km

Periapsis: 866.185 km

RAAN: 359.4218 deg

Eccentricy: 0.0574302

Argument of periapsis: 261.9999 deg

Mean anomaly: 91.5074 deg

Mean motion: 12.88476819 rev/day

Mean motion (dot): 0.00000052 rev/day2

B* drag term: 0.000036109 1/REarth

Two-line elements (TLE)

Creation date: March 16, 2025, 10:26 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: March 16, 2025, 8:34 p.m. UTC

TLE line 0: 0 M-4S R/B

TLE line 1: 1 5498U 71080B 25075.85712083 .00000052 00000-0 36109-4 0 9995

TLE line 2: 2 5498 32.0352 359.4218 0574302 261.9999 91.5074 12.88476819518623

Live tracking on map

Real-time ground track for satellite M-4S R/B.

Associated space launch

First Japanese scientific satellite to successfully reach orbit.

M-4S R/B was lifted into orbit during the mission ‘Mu-4S | Shinsei’, on board a Mu-4S space rocket.

The launch took place on Sept. 28, 1971, 4 a.m. from Mu Center.

For more information about the launch, click the button.

Launch to space Mu-4S | Shinsei
Mu-4S | Shinsei

Agency: N/A

Status: Launch Successful

Launch date: Sept. 28, 1971, 4 a.m. UTC

Rocket: Mu-4S

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.