ASTRA 1A, 19688
Orbit data source: Space-Track
ASTRA 1A, 19688 is a payload satellite owned by SES (LU) in GEO that was launched on Sun, 11 Dec 1988 UTC via an ARIANE 44LP launch vehicle from the French Guiana (FRGUI). 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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19688 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
LU / SESRelated business
Manufacturer
GE/East Windsor
Mission
Non-operational Commercial Communications
Bus & Motor
AS4000, STAR 37XFP
Mass
1,780 kg wet, ~850 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Hex Poly + 2 Pan, 9.6 m
Radar Cross Section
11.738 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 23 hours ago
TLE from 23 hours ago
0 ASTRA 1A
1 19688U 88109B 25249.88818898 -.00000133 00000-0 00000-0 0 9996
2 19688 14.6503 8.0493 0017513 131.7557 283.0829 0.98339187113301Epoch: 2025-09-06T21:18Z
TLE epoch observation values (Epoch: 2025-09-06T21:18:59.527Z)
Latitude
11.8999°
Longitude
115.80668°
Altitude
36,319.597 km
Speed
3.056 km/s
True Right ascension
04h 07m 04s
True Declination
11° 53' 18"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
12:14:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
36,412.993 km
Perigee altitude
36,263.375 km
Semi-major axis
42,716.321 km
Eccentricity
0.00175
Inclination
14.6503°
RAAN
8.0493°
Arg. of periapsis
131.7557°
True anomaly
282.88733°
Mean anomaly
283.0829°
Eccentric anomaly
282.98512°
Mean motion
0.24584 °/min
Orbital period
1,464.37 mins
BSTAR
0
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Other satellites on launch #109 in the year 1988 (1988-12-11 UTC)
ASTRA 1A Visibility
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. |
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19688 neighbors
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Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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