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TMinusZero
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Preparing the latest launch data.
OSCAR 31 (NORAD 19420) | T-Minus Zero
Satellite
OSCAR 31
1988-074B
NORAD 19420
United States (US)
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Catalog
Owner
United States (US)
Object type
PAY
Launch site
AFWTR
Launch designator
1988-074
Period
107.25 min
Inclination
90.04°
Altitude
1,029 km → 1,171 km
RCS
1.333 m²
SATCAT updated
2026-05-22T00:11:05.586+00:00
Groups
nnss
Orbit (latest)
Epoch
2026-05-24T02:34:59.891232+00:00
Inclination
90.0444°
RAAN
21.2437°
Eccentricity
0.0095508
Mean motion
13.426085 rev/day
Source
gp
Fetched
2026-05-25T00:11:01.43+00:00