Key statistics
Satellite DELTA 1 R/B(1) at a glance.
Uptime
17585
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: 108.647 minutes
Inclination: 29.0625 deg
SMA: 7542.313 km
Apoapsis: 1799.492 km
Periapsis: 528.863 km
RAAN: 329.0824 deg
Eccentricy: 0.08423337
Argument of periapsis: 162.5215 deg
Mean anomaly: 200.6255 deg
Mean motion: 13.25396943 rev/day
Mean motion (dot): 0.0000178 rev/day2
B* drag term: 0.0005089605 1/REarth
Two-line elements (TLE)
Creation date: Sept. 4, 2025, 10:13 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 4, 2025, 6:55 a.m. UTC
TLE line 0: 0 DELTA 1 R/B(1)
TLE line 1: 1 10144U 77065B 25247.28885076 .00001780 00000-0 50896-3 0 9996
TLE line 2: 2 10144 29.0625 329.0824 0842334 162.5215 200.6255 13.25396943324936
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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