Key statistics
Satellite SEDSAT 1 at a glance.
Uptime
9913
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
LEO
Low Earth Orbit
Inclination
31.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for SEDSAT 1.
Object identification
Identified? True
Debris? False
Object name: SEDSAT 1
International designator: 1998-061B
Object number (NORAD): 25509
Object ID (CCSDS): 25509
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 100.477 minutes
Inclination: 31.4322 deg
SMA: 7159.293 km
Apoapsis: 1022.497 km
Periapsis: 539.82 km
RAAN: 92.1739 deg
Eccentricy: 0.03370981
Argument of periapsis: 239.1042 deg
Mean anomaly: 117.6024 deg
Mean motion: 14.3316937 rev/day
Mean motion (dot): 0.00001492 rev/day2
B* drag term: 0.0002678011 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, 3:43 p.m. UTC
TLE line 0: 0 SEDSAT 1
TLE line 1: 1 25509U 98061B 25347.65512310 .00001492 00000-0 26780-3 0 9991
TLE line 2: 2 25509 31.4322 92.1739 0337098 239.1042 117.6024 14.33169370419192
Live tracking on map
Real-time ground track for satellite SEDSAT 1.
In-orbit conjunctions
A list of the most updated potential collisions computed for object SEDSAT 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.
SEDSAT 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
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