APSTAR 5 (TELSTAR 18), 28364
Orbit data source: Space-Track
APSTAR 5 (TELSTAR 18), 28364 is a payload satellite owned by SS/Loral (CN) in GEO that was launched on Tue, 29 Jun 2004 UTC via a ZENIT-3SL launch vehicle from the Sea Launch (SEAL). 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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28364 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SS/Loral
Mission
Non-operational Commercial Communications
Bus & Motor
SSL-1300, R-4D-11-164
Mass
4,845 kg wet, ~2,000 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 15.5 m
Radar Cross Section
40.765 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 APSTAR 5 (TELSTAR 18)
1 28364U 04024A 25312.56379081 .00000031 00000-0 00000+0 0 9998
2 28364 6.4108 72.3658 0002192 197.2148 19.8890 0.99012823 78117Epoch: 2025-11-08T13:31Z
TLE epoch observation values (Epoch: 2025-11-08T13:31:51.525Z)
Latitude
-3.86895°
Longitude
38.33099°
Altitude
36,134.61 km
Speed
3.062 km/s
True Right ascension
19h 17m 08s
True Declination
-3° 51' 54"
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
22:39:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
36,153.625 km
Perigee altitude
36,134.984 km
Semi-major axis
42,522.442 km
Eccentricity
0.00022
Inclination
6.4108°
RAAN
72.3658°
Arg. of periapsis
197.2148°
True anomaly
19.89755°
Mean anomaly
19.889°
Eccentric anomaly
19.89327°
Mean motion
0.24752 °/min
Orbital period
1,454.41 mins
BSTAR
0
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Other satellites on launch #24 in the year 2004 (2004-06-29 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.APSTAR 5 (TELSTAR 18) 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. |
|---|---|---|---|---|---|---|---|
| APSTAR 5 (TELSTAR 18) is likely not visible in the next few days. |
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28364 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 ascending 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 ascending order |
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