Key statistics
Satellite DELTA 2 R/B at a glance.
Uptime
12869
Days in orbit
Revolutions
≈ 14.2
Per day
Orbit
LEO
Low Earth Orbit
Inclination
22.7
Latest
Satellite identification and parameters
Extended collection of information and parameters for DELTA 2 R/B.
Object identification
Identified? True
Debris? False
Object name: DELTA 2 R/B
International designator: 1990-034B
Object number (NORAD): 20571
Object ID (CCSDS): 20571
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 101.364 minutes
Inclination: 22.7419 deg
SMA: 7201.384 km
Apoapsis: 1165.197 km
Periapsis: 481.302 km
RAAN: 207.8432 deg
Eccentricy: 0.0474836
Argument of periapsis: 155.2053 deg
Mean anomaly: 207.202 deg
Mean motion: 14.2062284 rev/day
Mean motion (dot): 0.0000113 rev/day2
B* drag term: 0.00011058 1/REarth
Two-line elements (TLE)
Creation date: July 5, 2025, 5:45 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 5, 2025, 9:59 a.m. UTC
TLE line 0: 0 DELTA 2 R/B
TLE line 1: 1 20571U 90034B 25186.41654047 .00001130 00000-0 11058-3 0 9997
TLE line 2: 2 20571 22.7419 207.8432 0474836 155.2053 207.2020 14.20622840809112
Live tracking on map
Real-time ground track for satellite DELTA 2 R/B.
Associated space launch
Indonesian geostationary communications satellite
DELTA 2 R/B was lifted into orbit during the mission ‘Delta 6925-8 | Palapa B2R’, on board a Delta 6925-8 space rocket.
The launch took place on April 13, 1990, 10:28 p.m. from Space Launch Complex 17B.
For more information about the launch, click the button.
Delta 6925-8 | Palapa B2R
Agency: N/A
Status: Launch Successful
Launch date: April 13, 1990, 10:28 p.m. UTC
Rocket: Delta 6925-8
Launch pad: Space Launch Complex 17B
Location: Cape Canaveral SFS, FL, USA
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