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STPSAT-6, 49817

Orbit data source: Space-Track

STPSAT-6, 49817 is a payload satellite owned by USAF STP (US) in GEO that was launched on Tue, 07 Dec 2021 UTC via an ATLAS V 551 launch vehicle from the Air Force Eastern Test Range (AFETR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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Identifier
49817, 2021-118A
Orbit
GEO
Last TLE update
1 day ago
Origin
Manufacturer
NGAS
Mission
Operational Defense Technology
Bus & Motor
A-500, Unknown motor
Mass
~1,000 kg wet, ~1,000 kg dry
Launch date (UTC)
2021-12-07 (4 years ago)
Launch vehicle
ATLAS V 551
Launch site
Air Force Eastern Test Range (AFETR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 1 Pan, 2 m
Radar Cross Section
2.500 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 1 day ago
0 STPSAT-6
1 49817U 21118A   25189.61214582 -.00000029  00000-0  00000-0 0  9998
2 49817   0.0146 327.9242 0000542 358.1478  69.3362  1.00271329 13129
Epoch: 2025-07-08T14:41Z
TLE epoch observation values (Epoch: 2025-07-08T14:41:29.398Z)
Latitude
0.02113°
Longitude
-111.76148°
Altitude
35,785.415 km
Speed
3.075 km/s
True Right ascension
02h 21m 39s
True Declination
0° 01' 16"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
0.02727°
Longitude
-71.25133°
Altitude
35,786.969 km
Speed
3.075 km/s
Apparent Right ascension
05h 00m 13s
Apparent Declination
-6° 11' 51"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
05:30:16
Azimuth
190.302° SSW
Elevation
43.368°
Doppler factor
1
Orbital elements
Apogee altitude
35,790.079 km
Perigee altitude
35,785.508 km
Semi-major axis
42,165.93 km
Eccentricity
0.00005
Inclination
0.0146°
RAAN
327.9242°
Arg. of periapsis
358.1478°
True anomaly
Unknown
Mean anomaly
69.3362°
Eccentric anomaly
Unknown
Mean motion
0.25067 °/min
Orbital period
1,436.16 mins
BSTAR
0
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49817 neighbors
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Other satellites on launch #118 in the year 2021 (2021-12-07 UTC)

STPSAT-6 Visibility forecast

Observer location: undefined°, undefined°

Span
Click to sort rows by Start time (UTC) header in descending order
Start Az.
Max El. time (UTC)
Max El. Az.
Max El.
End time (UTC)
End Az.
1440 mins2025-07-09 17:19:09.441Z190.298° SSW2025-07-09 19:03:09.441Z190.3° SSW34.469°2025-07-10 17:19:09.441Z190.297° SSW
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