Key statistics
Satellite DELTA 1 R/B(1) at a glance.
Uptime
17331
Days in orbit
Revolutions
≈ 12.7
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
28.3
Latest
Satellite identification and parameters
Extended collection of information and parameters for DELTA 1 R/B(1).
Object identification
Identified? True
Debris? False
Object name: DELTA 1 R/B(1)
International designator: 1977-108B
Object number (NORAD): 10490
Object ID (CCSDS): 10490
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 113.317 minutes
Inclination: 28.3058 deg
SMA: 7756.959 km
Apoapsis: 2273.362 km
Periapsis: 484.286 km
RAAN: 59.1207 deg
Eccentricy: 0.1153207
Argument of periapsis: 291.8294 deg
Mean anomaly: 56.3583 deg
Mean motion: 12.70765889 rev/day
Mean motion (dot): 0.00001191 rev/day2
B* drag term: 0.00027047 1/REarth
Two-line elements (TLE)
Creation date: May 6, 2025, 3:54 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 5, 2025, 7:52 p.m. UTC
TLE line 0: 0 DELTA 1 R/B(1)
TLE line 1: 1 10490U 77108B 25125.82818809 .00001191 00000-0 27047-3 0 9991
TLE line 2: 2 10490 28.3058 59.1207 1153207 291.8294 56.3583 12.70765889167838
Live tracking on map
Real-time ground track for satellite DELTA 1 R/B(1).
In-orbit conjunctions
A list of the most updated potential collisions computed for object DELTA 1 R/B(1).
Associated space launch
European meteorological satellite
DELTA 1 R/B(1) was lifted into orbit during the mission ‘Delta 2914 | Meteosat 1’, on board a Delta 2914 space rocket.
The launch took place on Nov. 23, 1977, 1:35 a.m. from Space Launch Complex 17A.
For more information about the launch, click the button.
Delta 2914 | Meteosat 1
Agency: N/A
Status: Launch Successful
Launch date: Nov. 23, 1977, 1:35 a.m. UTC
Rocket: Delta 2914
Launch pad: Space Launch Complex 17A
Location: Cape Canaveral SFS, FL, USA
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