Key statistics
Satellite DELTA 2 R/B at a glance.
Uptime
12929
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: 101.342 minutes
Inclination: 22.7435 deg
SMA: 7200.343 km
Apoapsis: 1163.579 km
Periapsis: 480.838 km
RAAN: 199.933 deg
Eccentricy: 0.04741028
Argument of periapsis: 83.9336 deg
Mean anomaly: 281.4923 deg
Mean motion: 14.20930867 rev/day
Mean motion (dot): 0.00003956 rev/day2
B* drag term: 0.0005106299 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, 4:10 a.m. UTC
TLE line 0: 0 DELTA 2 R/B
TLE line 1: 1 20571U 90034B 25247.17384942 .00003956 00000-0 51063-3 0 9990
TLE line 2: 2 20571 22.7435 199.9330 0474103 83.9336 281.4923 14.20930867817763
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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