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: 20 hours ago
TLE from 20 hours ago
0 ASTRA 1A
1 19688U 88109B 26035.23062492 -.00000239 00000-0 00000+0 0 9996
2 19688 14.7229 6.9738 0010350 128.5582 232.2591 0.98340929114781Epoch: 2026-02-04T05:32Z
TLE epoch observation values (Epoch: 2026-02-04T05:32:05.993Z)
Latitude
0.17779°
Longitude
150.26455°
Altitude
36,363.493 km
Speed
3.053 km/s
True Right ascension
00h 30m 45s
True Declination
0° 10' 39"
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
03:05:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
36,381.89 km
Perigee altitude
36,293.468 km
Semi-major axis
42,715.816 km
Eccentricity
0.00104
Inclination
14.7229°
RAAN
6.9738°
Arg. of periapsis
128.5582°
True anomaly
232.16539°
Mean anomaly
232.2591°
Eccentric anomaly
232.21224°
Mean motion
0.24584 °/min
Orbital period
1,464.34 mins
BSTAR
0
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Other satellites on launch #109 in the year 1988 (1988-12-11 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.ASTRA 1A Visibility
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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. |
|---|---|---|---|---|---|---|---|
| ASTRA 1A is likely not visible in the next few days. |
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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
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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