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TJS-7, 49115

Orbit data source: Space-Track

TJS-7, 49115 is a payload satellite owned by CASC (CN) in GEO that was launched on Tue, 24 Aug 2021 UTC via a CHANG ZHENG 3B 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.

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<iframe src="https://www.satcat.com/sats-embedded/49115?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/49115?theme=dark&initialShowStats=false

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Identifier

49115, 2021-077A

Orbit

GEO

Country

CN / PRC

Related business

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

Manufacturer

SISE

Mission

Operational Defense Early Warn

Bus & Motor

FY-4?, Unknown motor

Mass

~4,000 kg wet, ~2,500 kg dry

Launch date (UTC)

2021-08-24 (4 years ago)

Launch vehicle

CHANG ZHENG 3B

Launch site

Xichang Space Center, China (XSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 15.0 m

Radar Cross Section

34.063 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 19 hours ago

TLE from 19 hours ago

0 TJS-7
1 49115U 21077A   26052.58263575 -.00000118  00000-0  00000+0 0  9993
2 49115   0.2076  89.1101 0001509 259.0236 273.6144  1.00270594  8394

Epoch: 2026-02-21T13:58Z

TLE epoch observation values (Epoch: 2026-02-21T13:58:59.728Z)

Latitude

0.04282°

Longitude

-99.5027°

Altitude

35,785.996 km

Speed

3.075 km/s

True Right ascension

17h 26m 59s

True Declination

0° 02' 34"

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

11:59:34

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,794.362 km

Perigee altitude

35,781.636 km

Semi-major axis

42,166.136 km

Eccentricity

0.00015

Inclination

0.2076°

RAAN

89.1101°

Arg. of periapsis

259.0236°

True anomaly

273.59714°

Mean anomaly

273.6144°

Eccentric anomaly

273.60577°

Mean motion

0.25067 °/min

Orbital period

1,436.17 mins

BSTAR

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Other satellites on launch #77 in the year 2021 (2021-08-24 UTC)

CZ-3B R/B, 49116 (Decayed)

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TJS-7 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	2026-02-22 08:50:56.339Z	171.23° S	2026-02-23 08:45:56.339Z	171.234° S	34.649°	2026-02-23 08:50:56.339Z	171.234° S

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49115 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 TJS-7, 49115 on other resources

View TJS-7, 49115 on NASA - NSSDCA Website

View TJS-7, 49115 on Heavens-Above

View TJS-7, 49115 on Keep Track

View TJS-7, 49115 on Celestrak

View TJS-7, 49115 on Gunter's Space Page

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

TJS-7, 49115

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 19 hours ago

TLE from 19 hours ago

TLE epoch observation values (Epoch: 2026-02-21T13:58:59.728Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #77 in the year 2021 (2021-08-24 UTC)

TJS-7 Visibility forecast

49115 neighbors

Co-orbital & Co-planar RSOs

Check out TJS-7, 49115 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 19 hours ago