Key statistics
Satellite DELTA 1 R/B(1) at a glance.
Uptime
17418
Days in orbit
Revolutions
≈ 13.1
Per day
Orbit
LEO
Low Earth Orbit
Inclination
28.2
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: 1978-039B
Object number (NORAD): 10793
Object ID (CCSDS): 10793
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 110.135 minutes
Inclination: 28.2312 deg
SMA: 7611.05 km
Apoapsis: 1898.736 km
Periapsis: 567.094 km
RAAN: 206.0785 deg
Eccentricy: 0.08748086
Argument of periapsis: 248.5185 deg
Mean anomaly: 101.9915 deg
Mean motion: 13.07482593 rev/day
Mean motion (dot): 0.00000469 rev/day2
B* drag term: 0.00014655059 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 3:05 p.m. UTC
TLE line 0: 0 DELTA 1 R/B(1)
TLE line 1: 1 10793U 78039B 25347.62901607 .00000469 00000-0 14655-3 0 9992
TLE line 2: 2 10793 28.2312 206.0785 0874809 248.5185 101.9915 13.07482593269495
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
Geostationary signals intelligence satellite (TELINT).
DELTA 1 R/B(1) was lifted into orbit during the mission ‘Atlas SLV-3A Agena D | Aquacade 4’, on board a Atlas SLV-3A Agena D space rocket.
The launch took place on April 7, 1978, 12:45 a.m. from Space Launch Complex 13.
For more information about the launch, click the button.
Atlas SLV-3A Agena D | Aquacade 4
Agency: N/A
Status: Launch Successful
Launch date: April 7, 1978, 12:45 a.m. UTC
Rocket: Atlas SLV-3A Agena D
Launch pad: Space Launch Complex 13
Location: Cape Canaveral SFS, FL, USA
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