Key statistics
Satellite DIAMANT B-P4 R/B at a glance.
Uptime
18521
Days in orbit
Revolutions
≈ 13.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
49.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for DIAMANT B-P4 R/B.
Object identification
Identified? True
Debris? False
Object name: DIAMANT B-P4 R/B
International designator: 1975-010B
Object number (NORAD): 7647
Object ID (CCSDS): 7647
Country: FRANCE (FR)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 104.175 minutes
Inclination: 49.8238 deg
SMA: 7333.913 km
Apoapsis: 1115.123 km
Periapsis: 796.433 km
RAAN: 169.453 deg
Eccentricy: 0.0217271
Argument of periapsis: 178.8553 deg
Mean anomaly: 181.2879 deg
Mean motion: 13.82289931 rev/day
Mean motion (dot): 0.00000021 rev/day2
B* drag term: 0.00012538 1/REarth
Two-line elements (TLE)
Creation date: Oct. 21, 2025, 11:56 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 21, 2025, 3:36 p.m. UTC
TLE line 0: 0 DIAMANT B-P4 R/B
TLE line 1: 1 7647U 75010B 25294.65030204 .00000021 00000-0 12538-3 0 9994
TLE line 2: 2 7647 49.8238 169.4530 0217271 178.8553 181.2879 13.82289931558049
Live tracking on map
Real-time ground track for satellite DIAMANT B-P4 R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object DIAMANT B-P4 R/B.
Associated space launch
Passive French satellite dedicated to geodetic and geophysical studies
DIAMANT B-P4 R/B was lifted into orbit during the mission ‘Diamant BP4 | Starlette’, on board a Diamant BP4 space rocket.
The launch took place on Feb. 6, 1975, 4:35 p.m. from Diamant Launch Area.
For more information about the launch, click the button.
Diamant BP4 | Starlette
Agency: N/A
Status: Launch Successful
Launch date: Feb. 6, 1975, 4:35 p.m. UTC
Rocket: Diamant BP4
Launch pad: Diamant Launch Area
Location: Guiana Space Centre, French Guiana
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