Key statistics
Satellite DELTA 2 R/B(1) at a glance.
Uptime
9814
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
31.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for DELTA 2 R/B(1).
Object identification
Identified? True
Debris? False
Object name: DELTA 2 R/B(1)
International designator: 1998-061C
Object number (NORAD): 25510
Object ID (CCSDS): 25510
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 99.783 minutes
Inclination: 31.4316 deg
SMA: 7126.287 km
Apoapsis: 967.186 km
Periapsis: 529.118 km
RAAN: 161.6938 deg
Eccentricy: 0.03073605
Argument of periapsis: 126.1765 deg
Mean anomaly: 236.7701 deg
Mean motion: 14.43137881 rev/day
Mean motion (dot): 0.0000207 rev/day2
B* drag term: 0.00032960273 1/REarth
Two-line elements (TLE)
Creation date: Sept. 6, 2025, 2:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 5, 2025, 9:21 p.m. UTC
TLE line 0: 0 DELTA 2 R/B(1)
TLE line 1: 1 25510U 98061C 25248.88970644 .00002070 00000-0 32960-3 0 9996
TLE line 2: 2 25510 31.4316 161.6938 0307360 126.1765 236.7701 14.43137881410522
Live tracking on map
Real-time ground track for satellite DELTA 2 R/B(1).
Associated space launch
DS1 (Deep Space 1) was a mission to test high risk technologies like an ion-engine and autonomous operation. It was the first mission funded by NASA under the 'New Millennium' program.
DELTA 2 R/B(1) was lifted into orbit during the mission ‘Delta 7326-9.5 | Deep Space 1’, on board a Delta 7326-9.5 space rocket.
The launch took place on Oct. 24, 1998, 12:08 p.m. from Space Launch Complex 17A.
For more information about the launch, click the button.
Delta 7326-9.5 | Deep Space 1
Agency: N/A
Status: Launch Successful
Launch date: Oct. 24, 1998, 12:08 p.m. UTC
Rocket: Delta 7326-9.5
Launch pad: Space Launch Complex 17A
Location: Cape Canaveral SFS, FL, USA
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
