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ASTEX 1, 5560

Orbit data source: Space-Track

ASTEX 1, 5560 is a payload satellite owned by USAF STP (US) in LEO that was launched on Sun, 17 Oct 1971 UTC via a THORAD SLV-2G AGENA D launch vehicle from the Air Force Western Test Range (AFWTR). 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
5560, 1971-089A
Orbit
LEO
Last TLE update
14 hours ago
Origin
Manufacturer
LMSC
Mission
Defense Sci/Tech
Bus & Motor
ASTEX, Unknown motor
Mass
~1,800 kg wet, ~800 kg dry
Launch date (UTC)
1971-10-17 (54 years ago)
Launch vehicle
THORAD SLV-2G AGENA D
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl + 2 Pan, 5.7 m
Radar Cross Section
16.142 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 14 hours ago
0 ASTEX 1
1 05560U 71089A   25199.62759517  .00000256  00000-0  65779-4 0  9990
2 05560  92.7201  76.0517 0016785 147.6696 212.5542 14.50426147828374
Epoch: 2025-07-18T15:03Z
TLE epoch observation values (Epoch: 2025-07-18T15:03:44.222Z)
Latitude
-0.00005°
Longitude
-86.55889°
Altitude
737.398 km
Speed
7.481 km/s
True Right ascension
05h 04m 12s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-44.96699°
Longitude
90.92838°
Altitude
739.443 km
Speed
7.485 km/s
Apparent Right ascension
11h 51m 45s
Apparent Declination
-79° 52' 05"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time
18:08:59
Azimuth
193.223° SSW
Elevation
-39.926°
Doppler factor
1
Orbital elements
Apogee altitude
733.099 km
Perigee altitude
709.267 km
Semi-major axis
7,099.32 km
Eccentricity
0.00168
Inclination
92.7201°
RAAN
76.0517°
Arg. of periapsis
147.6696°
True anomaly
212.45088°
Mean anomaly
212.5542°
Eccentric anomaly
212.50252°
Mean motion
3.62842 °/min
Orbital period
99.22 mins
BSTAR
0.000065779
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Other satellites on launch #89 in the year 1971 (1971-10-17 UTC)
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