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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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https://www.satcat.com/sats-embedded/28364?theme=dark&initialShowStats=false

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Identifier

28364, 2004-024A

Orbit

GEO

Country

CN / PRC

Related business

Maxar Technologies Inc. (US)

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)

2004-06-29 (21 years ago)

Launch vehicle

ZENIT-3SL

Launch site

Sea Launch (SEAL)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 15.5 m

Radar Cross Section

40.765 m², Large (>1 m²)

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Last TLE update: 17 hours ago

TLE from 17 hours ago

0 APSTAR 5 (TELSTAR 18)
1 28364U 04024A   25342.35361706  .00000003  00000-0  00000-0 0  9993
2 28364   6.4879  72.0276 0003511 225.7898 170.4788  0.99011279 78417

Epoch: 2025-12-08T08:29Z

TLE epoch observation values (Epoch: 2025-12-08T08:29:12.513Z)

Latitude

3.85801°

Longitude

-96.52847°

Altitude

36,157.557 km

Speed

3.061 km/s

True Right ascension

07h 12m 30s

True Declination

3° 51' 15"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

23:54:47

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

36,159.676 km

Perigee altitude

36,129.816 km

Semi-major axis

42,522.883 km

Eccentricity

0.00035

Inclination

6.4879°

RAAN

72.0276°

Arg. of periapsis

225.7898°

True anomaly

170.48545°

Mean anomaly

170.4788°

Eccentric anomaly

170.48213°

Mean motion

0.24752 °/min

Orbital period

1,454.43 mins

BSTAR

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Other satellites on launch #24 in the year 2004 (2004-06-29 UTC)

BLOCK DM-SL R/B, 28365

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APSTAR 5 (TELSTAR 18) Visibility forecast

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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.
1440 mins	2025-12-09 01:43:00.645Z	172.175° S	2025-12-09 12:24:00.645Z	173.768° S	37.868°	2025-12-10 01:43:00.645Z	178.462° S

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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

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out APSTAR 5 (TELSTAR 18), 28364 on other resources

View APSTAR 5 (TELSTAR 18), 28364 on NASA - NSSDCA Website

View APSTAR 5 (TELSTAR 18), 28364 on Heavens-Above

View APSTAR 5 (TELSTAR 18), 28364 on Keep Track

View APSTAR 5 (TELSTAR 18), 28364 on Celestrak

View APSTAR 5 (TELSTAR 18), 28364 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

APSTAR 5 (TELSTAR 18), 28364

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 17 hours ago

TLE from 17 hours ago

TLE epoch observation values (Epoch: 2025-12-08T08:29:12.513Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #24 in the year 2004 (2004-06-29 UTC)

APSTAR 5 (TELSTAR 18) Visibility forecast

28364 neighbors

Co-orbital & Co-planar RSOs

Check out APSTAR 5 (TELSTAR 18), 28364 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 17 hours ago