Key statistics
Satellite SWAS at a glance.
Uptime
9772
Days in orbit
Revolutions
≈ 15.1
Per day
Orbit
LEO
Low Earth Orbit
Inclination
69.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for SWAS.
Object identification
Identified? True
Debris? False
Object name: SWAS
International designator: 1998-071A
Object number (NORAD): 25560
Object ID (CCSDS): 25560
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 95.574 minutes
Inclination: 69.8947 deg
SMA: 6924.452 km
Apoapsis: 551.941 km
Periapsis: 540.693 km
RAAN: 237.102 deg
Eccentricy: 0.00081224
Argument of periapsis: 313.1918 deg
Mean anomaly: 46.8565 deg
Mean motion: 15.06692644 rev/day
Mean motion (dot): 0.00004732 rev/day2
B* drag term: 0.00032446826 1/REarth
Two-line elements (TLE)
Creation date: Sept. 7, 2025, 3:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 6, 2025, 5:01 p.m. UTC
TLE line 0: 0 SWAS
TLE line 1: 1 25560U 98071A 25249.70938601 .00004732 00000-0 32447-3 0 9998
TLE line 2: 2 25560 69.8947 237.1020 0008122 313.1918 46.8565 15.06692644454524
Live tracking on map
Real-time ground track for satellite SWAS.
In-orbit conjunctions
A list of the most updated potential collisions computed for object SWAS.
Associated space launch
SWAS was lifted into orbit during the mission ‘Pegasus XL | Submillimeter Wave Astronomy Satellite (SWAS)’, on board a Pegasus XL space rocket.
The launch took place on Dec. 6, 1998, 12:57 a.m. from Vandenberg Space Force Base.
For more information about the launch, click the button.
Pegasus XL | Submillimeter Wave Astronomy Satellite (SWAS)
Agency: N/A
Status: Launch Successful
Launch date: Dec. 6, 1998, 12:57 a.m. UTC
Rocket: Pegasus XL
Launch pad: Vandenberg Space Force Base
Location: Air launch to orbit
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