Key statistics
Satellite DELTA 1 R/B(1) at a glance.
Uptime
17523
Days in orbit
Revolutions
≈ 13.3
Per day
Orbit
LEO
Low Earth Orbit
Inclination
29.1
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: 1977-065B
Object number (NORAD): 10144
Object ID (CCSDS): 10144
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 108.652 minutes
Inclination: 29.061 deg
SMA: 7542.548 km
Apoapsis: 1800.167 km
Periapsis: 528.659 km
RAAN: 272.8053 deg
Eccentricy: 0.084289
Argument of periapsis: 32.8121 deg
Mean anomaly: 332.2033 deg
Mean motion: 13.2533485 rev/day
Mean motion (dot): 0.00000275 rev/day2
B* drag term: 0.000059568 1/REarth
Two-line elements (TLE)
Creation date: July 4, 2025, 6:39 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 4, 2025, 2:19 p.m. UTC
TLE line 0: 0 DELTA 1 R/B(1)
TLE line 1: 1 10144U 77065B 25185.59710146 .00000275 00000-0 59568-4 0 9990
TLE line 2: 2 10144 29.0610 272.8053 0842890 32.8121 332.2033 13.25334850316746
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
Japanese meteorological satellite built by Hughes Space and Communications Company
DELTA 1 R/B(1) was lifted into orbit during the mission ‘Delta 2914 | Himawari’, on board a Delta 2914 space rocket.
The launch took place on July 14, 1977, 10:39 a.m. from Space Launch Complex 17B.
For more information about the launch, click the button.
Delta 2914 | Himawari
Agency: N/A
Status: Launch Successful
Launch date: July 14, 1977, 10:39 a.m. UTC
Rocket: Delta 2914
Launch pad: Space Launch Complex 17B
Location: Cape Canaveral SFS, FL, USA
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