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TIANLIAN 1-O5, 49011

Orbit data source: Space-Track

TIANLIAN 1-O5, 49011 is a payload satellite owned by CAST (CN) in GEO that was launched on Tue, 06 Jul 2021 UTC via a CHANG ZHENG 3C launch vehicle from the Xichang Space Center, China (XSC). 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.

Not visible in the next 10 days

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Iframe URL

https://www.satcat.com/sats-embedded/49011?theme=dark&initialShowStats=false

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Identifier

49011, 2021-063A

Orbit

GEO

Country

CN / PRC

Related business

China Aerospace Science and Technology Corporation (CASC) (CN)

Manufacturer

CAST

Mission

Operational Civil Communications

Bus & Motor

DFH-3, FY-25

Mass

~2,500 kg wet, ~1,050 kg dry

Launch date (UTC)

2021-07-06 (5 years ago)

Launch vehicle

CHANG ZHENG 3C

Launch site

Xichang Space Center, China (XSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan + 1 Dish, 9.1 m

Radar Cross Section

19.143 m²

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Last TLE update: 2 days ago

TLE from 2 days ago

0 TIANLIAN 1-O5
1 49011U 21063A   26171.89432105  .00000104  00000-0  00000+0 0  9990
2 49011   1.6045  80.6811 0000581 349.1913 177.9819  1.00272457 18112

Epoch: 2026-06-20T21:27Z

TLE epoch observation values (Epoch: 2026-06-20T21:27:49.338Z)

Latitude

0.33894°

Longitude

16.81518°

Altitude

35,788.31 km

Speed

3.075 km/s

True Right ascension

16h 31m 29s

True Declination

0° 20' 19"

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

21:33:23

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,789.926 km

Perigee altitude

35,785.026 km

Semi-major axis

42,165.613 km

Eccentricity

0.00006

Inclination

1.6045°

RAAN

80.6811°

Arg. of periapsis

349.1913°

True anomaly

177.98213°

Mean anomaly

177.9819°

Eccentric anomaly

177.98202°

Mean motion

0.25067 °/min

Orbital period

1,436.14 mins

BSTAR

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Other satellites on launch #63 in the year 2021 (2021-07-06 UTC)

CZ-3C R/B, 49012 (Decayed)

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TIANLIAN 1-O5 Visibility

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TIANLIAN 1-O5 is likely not visible in the next few days.

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49011 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 TIANLIAN 1-O5, 49011 on other resources

View TIANLIAN 1-O5, 49011 on NASA - NSSDCA Website

View TIANLIAN 1-O5, 49011 on Heavens-Above

View TIANLIAN 1-O5, 49011 on Keep Track

View TIANLIAN 1-O5, 49011 on Celestrak

View TIANLIAN 1-O5, 49011 on Gunter's Space Page

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

TIANLIAN 1-O5, 49011

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-06-20T21:27:49.338Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #63 in the year 2021 (2021-07-06 UTC)

TIANLIAN 1-O5 Visibility

49011 neighbors

Co-orbital & Co-planar RSOs

Check out TIANLIAN 1-O5, 49011 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago