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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
28364 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Create New Watchlist
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: 23 hours ago
TLE from 23 hours ago
0 APSTAR 5 (TELSTAR 18)
1 28364U 04024A 26127.24943478 -.00000176 00000-0 00000-0 0 9997
2 28364 6.8717 70.2361 0006201 325.2562 224.0942 0.99014002 79898Epoch: 2026-05-07T05:59Z
TLE epoch observation values (Epoch: 2026-05-07T05:59:11.164Z)
Latitude
-1.12186°
Longitude
-55.42198°
Altitude
36,161.646 km
Speed
3.06 km/s
True Right ascension
17h 17m 53s
True Declination
-1° 07' 15"
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
13:20:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
36,170.332 km
Perigee altitude
36,117.596 km
Semi-major axis
42,522.101 km
Eccentricity
0.00062
Inclination
6.8717°
RAAN
70.2361°
Arg. of periapsis
325.2562°
True anomaly
224.04478°
Mean anomaly
224.0942°
Eccentric anomaly
224.06949°
Mean motion
0.24753 °/min
Orbital period
1,454.39 mins
BSTAR
0
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #24 in the year 2004 (2004-06-29 UTC)
Did you know?
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 forecast
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| 1440 mins | 2026-05-08 05:16:18.560Z | 121.862° SE | 2026-05-08 23:59:18.560Z | 119.917° SE | 28.424° | 2026-05-09 05:16:18.560Z | 125.753° SE |
Loading historical data...
28364 neighbors
Authenticating...
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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
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 |
|---|