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QSS, 41731

Orbit data source: Space-Track

QSS, 41731 is a payload satellite owned by CAS (CN) in SSO that was launched on Mon, 15 Aug 2016 UTC via a CHANG ZHENG 2D launch vehicle from the Jiuquan Satellite Launch Center, China (JSC). 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/41731?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/41731?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

41731, 2016-051A

Orbit

SSO

Last TLE update

5 hours ago

Origin

Chinese Academy of Sciences (CAS) (CN / PRC)

Manufacturer

SECM/USTC

Mission

Operational Civil Technology

Bus & Motor

CAST-2000?, AOCS

Mass

640 kg wet, ~500 kg dry

Launch date (UTC)

2016-08-15 (9 years ago)

Launch vehicle

CHANG ZHENG 2D

Launch site

Jiuquan Satellite Launch Center, China (JSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 4 m

Radar Cross Section

5.141 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 5 hours ago

0 QSS
1 41731U 16051A   25182.17844198  .00032359  00000-0  48187-3 0  9992
2 41731  97.2985 102.4259 0004467 285.3598  74.7163 15.55051113495229

Epoch: 2025-07-01T04:16Z

TLE epoch observation values (Epoch: 2025-07-01T04:16:57.387Z)

Latitude

0.00004°

Longitude

118.70916°

Altitude

404.348 km

Speed

7.668 km/s

True Right ascension

06h 49m 42s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

42.34896°

Longitude

-54.40236°

Altitude

410.832 km

Speed

7.667 km/s

Apparent Right ascension

14h 24m 38s

Apparent Declination

11° 21' 52"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

21:08:34

Azimuth

285.725° WNW

Elevation

-0.963°

Doppler factor

Orbital elements

Apogee altitude

401.946 km

Perigee altitude

395.891 km

Semi-major axis

6,777.056 km

Eccentricity

0.00045

Inclination

97.2985°

RAAN

102.4259°

Arg. of periapsis

285.3598°

True anomaly

Unknown

Mean anomaly

74.7163°

Eccentric anomaly

Unknown

Mean motion

3.89029 °/min

Orbital period

92.54 mins

BSTAR

0.00048187

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Other satellites on launch #51 in the year 2016 (2016-08-15 UTC)

3CAT-2, 41732 (Decayed)

LX-1, 41733 (Decayed)

QSS Visibility forecast

Observer location: undefined°, undefined°

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.
5 mins	2025-07-01 18:19:16.563Z	134.785° SE	2025-07-01 18:21:16.563Z	86.912° E	28.077°	2025-07-01 18:24:16.563Z	8.585° NNE

Authenticating...

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Check out QSS, 41731 on other resources

View QSS, 41731 on NASA - NSSDCA Website

View QSS, 41731 on Heavens-Above

View QSS, 41731 on Keep Track

View QSS, 41731 on Celestrak

View QSS, 41731 on Gunter's Space Page

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