Key statistics
Satellite TAURUS R/B at a glance.
Uptime
9830
Days in orbit
Revolutions
≈ 14.7
Per day
Orbit
LEO
Low Earth Orbit
Inclination
85.1
Latest
Satellite identification and parameters
Extended collection of information and parameters for TAURUS R/B.
Object identification
Identified? True
Debris? False
Object name: TAURUS R/B
International designator: 1998-055B
Object number (NORAD): 25490
Object ID (CCSDS): 25490
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 97.873 minutes
Inclination: 85.0647 deg
SMA: 7035.085 km
Apoapsis: 668.422 km
Periapsis: 645.478 km
RAAN: 59.9971 deg
Eccentricy: 0.00163063
Argument of periapsis: 132.6262 deg
Mean anomaly: 227.633 deg
Mean motion: 14.71291569 rev/day
Mean motion (dot): 0.0000112 rev/day2
B* drag term: 0.00017708564 1/REarth
Two-line elements (TLE)
Creation date: Sept. 1, 2025, 2:20 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 31, 2025, 10:18 p.m. UTC
TLE line 0: 0 TAURUS R/B
TLE line 1: 1 25490U 98055B 25243.92921041 .00001120 00000-0 17709-3 0 9992
TLE line 2: 2 25490 85.0647 59.9971 0016306 132.6262 227.6330 14.71291569442413
Live tracking on map
Real-time ground track for satellite TAURUS R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object TAURUS R/B.
Associated space launch
The STEX (Space Technology Experiments) satellite carried 29 new technologies intended to result in lower cost and higher performance spacecraft for future missions.
TAURUS R/B was lifted into orbit during the mission ‘Minotaur | NROL-8’, on board a Minotaur space rocket.
The launch took place on Oct. 3, 1998, 10:04 a.m. from Space Launch Complex 576E.
For more information about the launch, click the button.
Minotaur | NROL-8
Agency: N/A
Status: Launch Successful
Launch date: Oct. 3, 1998, 10:04 a.m. UTC
Rocket: Minotaur
Launch pad: Space Launch Complex 576E
Location: Vandenberg SFB, CA, USA
...
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