SKYNET 4B, 19687
Orbit data source: Space-Track
SKYNET 4B, 19687 is a payload satellite owned by UK MoD (UK) 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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19687 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Last TLE update
2 days ago
Origin
Manufacturer
BAe
Mission
Non-operational Defense Communications
Bus & Motor
ECS, TE-M-700-19
Mass
1,433 kg wet, 655 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Hex Poly + 2 Pan, 16 m
Radar Cross Section
11.617 m², Large (>1 m²)
Expand to show TLE details & history
TLE from 2 days ago
0 SKYNET 4B
1 19687U 88109A 25118.88543606 -.00000160 00000-0 00000-0 0 9992
2 19687 13.4948 339.8766 0003540 308.7046 243.3068 0.99677029114038Epoch: 2025-04-28T21:15Z
Definitive object data (Epoch: 2025-04-28T21:15:01.675Z)
Latitude
-2.79436°
Longitude
-4.30482°
Altitude
35,960.77 km
Speed
3.068 km/s
True Right ascension
11h 26m 10s
True Declination
-2° 47' 30"
Sunlit
Visualization TLE readout
Latitude
-9.9726°
Longitude
116.89471°
Altitude
35,940.67 km
Speed
3.07 km/s
Apparent Right ascension
19h 57m 13s
Apparent Declination
-14° 59' 17"
Sunlit
Visualization observer readout
Local Sidereal Time
13:03:10
Azimuth
93.261° ESE
Elevation
-19.821°
Doppler factor
1
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Other satellites on launch #109 in the year 1988 (1988-12-11 UTC)
SKYNET 4B 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. |
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Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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