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// astronomy · 1998

Submillimeter Wave Astronomy Satellite

NASA space observatory. Submillimeter Wave Astronomy Satellite was launched on December 6, 1998 aboard a Pegasus XL from Vandenberg. Latest status in GCAT: in orbit.

COSPAR 1998-071ANORAD 25560United States

Identity

Name in GCAT
SWAS
Common name
Submillimeter Wave Astronomy Satellite
International designator
1998-071A
NORAD catalog number
25560
GCAT identifier
S25560
UN registration
ST/SG/SER.E/360

Mission

Mission type
Astronomy
Use
Civil government
Program
SMEX
Owner
GSFC
Country
United States
Builder
NASA Goddard Space Flight Center
Platform (bus)
SMEX

Launch

Date
December 6, 1998 · 00:57 UTC
Launch record
1998-071Success
Spaceport
Vandenberg · pad RW30/12

Orbit and fate

Orbit class (GCAT)
LEO/I
Perigee
638 km
Apogee
650 km
Inclination
69.90°
Status
In orbit
Last known active
August 2005
End of operations
August 2005

Size

Mass
282 kg
Dry mass
282 kg
Length
1.7 m
Diameter
1.00 m
Span
2.0 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q54374 (CC0).