Key statistics
Satellite DELTA 1 R/B(1) at a glance.
Uptime
17632
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: 108.63 minutes
Inclination: 29.0611 deg
SMA: 7541.538 km
Apoapsis: 1798.124 km
Periapsis: 528.682 km
RAAN: 95.0515 deg
Eccentricy: 0.0841633
Argument of periapsis: 179.9102 deg
Mean anomaly: 180.1698 deg
Mean motion: 13.25601194 rev/day
Mean motion (dot): 0.00002557 rev/day2
B* drag term: 0.00074161 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, 7:32 p.m. UTC
TLE line 0: 0 DELTA 1 R/B(1)
TLE line 1: 1 10144U 77065B 25294.81429495 .00002557 00000-0 74161-3 0 9990
TLE line 2: 2 10144 29.0611 95.0515 0841633 179.9102 180.1698 13.25601194331248
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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