Key statistics
Satellite DELTA 1 R/B(1) at a glance.
Uptime
17449
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: 113.293 minutes
Inclination: 28.2935 deg
SMA: 7755.838 km
Apoapsis: 2271.104 km
Periapsis: 484.302 km
RAAN: 246.8616 deg
Eccentricy: 0.11519077
Argument of periapsis: 80.854 deg
Mean anomaly: 292.0247 deg
Mean motion: 12.71041366 rev/day
Mean motion (dot): 0.00000905 rev/day2
B* drag term: 0.00020901249 1/REarth
Two-line elements (TLE)
Creation date: Aug. 31, 2025, 2:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 30, 2025, 5:22 p.m. UTC
TLE line 0: 0 DELTA 1 R/B(1)
TLE line 1: 1 10490U 77108B 25242.72425660 .00000905 00000-0 20901-3 0 9993
TLE line 2: 2 10490 28.2935 246.8616 1151908 80.8540 292.0247 12.71041366182714
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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