Key statistics
Satellite SEDSAT 1 at a glance.
Uptime
9813
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: 100.491 minutes
Inclination: 31.4305 deg
SMA: 7159.981 km
Apoapsis: 1023.522 km
Periapsis: 540.17 km
RAAN: 310.0753 deg
Eccentricy: 0.03375368
Argument of periapsis: 65.4607 deg
Mean anomaly: 298.0816 deg
Mean motion: 14.32962968 rev/day
Mean motion (dot): 0.00000616 rev/day2
B* drag term: 0.00010673067 1/REarth
Two-line elements (TLE)
Creation date: Sept. 3, 2025, 10:15 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 3, 2025, 5:27 a.m. UTC
TLE line 0: 0 SEDSAT 1
TLE line 1: 1 25509U 98061B 25246.22761623 .00000616 00000-0 10673-3 0 9996
TLE line 2: 2 25509 31.4305 310.0753 0337537 65.4607 298.0816 14.32962968404635
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
...
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