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YIJIAN, 41899

Orbit data source: Space-Track

YIJIAN, 41899 is a payload satellite owned by SECM (CN) in SSO that was launched on Wed, 21 Dec 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/41899?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/41899?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

41899, 2016-081B

Orbit

SSO

Last TLE update

9 hours ago

Origin

Shanghai Engineering Center for Microsatellites, SIMIT (CN / PRC)

Manufacturer

SECM

Mission

Operational Civil Imaging

Bus & Motor

CX-6, Unknown motor

Mass

60 kg wet, 60 kg dry

Launch date (UTC)

2016-12-21 (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, 1 m

Radar Cross Section

0.388 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 9 hours ago

0 YIJIAN
1 41899U 16081B   25196.52916696  .00000465  00000-0  10697-3 0  9995
2 41899  98.5099 179.6406 0019798 270.2406  89.6524 14.60083443455451

Epoch: 2025-07-15T12:42Z

TLE epoch observation values (Epoch: 2025-07-15T12:42:00.025Z)

Latitude

-0.00007°

Longitude

55.51813°

Altitude

695.823 km

Speed

7.508 km/s

True Right ascension

11h 58m 33s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

14.39822°

Longitude

-121.90832°

Altitude

698.436 km

Speed

7.506 km/s

Apparent Right ascension

23h 22m 09s

Apparent Declination

-11° 29' 55"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

10:16:20

Azimuth

328.343° NNW

Elevation

-58.073°

Doppler factor

Orbital elements

Apogee altitude

703.994 km

Perigee altitude

676.007 km

Semi-major axis

7,068.137 km

Eccentricity

0.00198

Inclination

98.5099°

RAAN

179.6406°

Arg. of periapsis

270.2406°

True anomaly

Unknown

Mean anomaly

89.6524°

Eccentric anomaly

Unknown

Mean motion

3.65246 °/min

Orbital period

98.56 mins

BSTAR

0.00010697

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Other satellites on launch #81 in the year 2016 (2016-12-21 UTC)

TANSAT, 41898

SPARK 1, 41900

SPARK 2, 41901

CZ-2D R/B, 41902 (Decayed)

YIJIAN 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.
9 mins	2025-07-15 22:40:50.667Z	156.918° SSE	2025-07-15 22:44:50.667Z	114.97° SE	42.175°	2025-07-15 22:49:50.667Z	351.685° N
4 mins	2025-07-16 10:41:50.667Z	64.817° ENE	2025-07-16 10:43:50.667Z	94.533° ESE	16.708°	2025-07-16 10:45:50.667Z	123.644° SE
7 mins	2025-07-16 12:18:50.667Z	349.999° N	2025-07-16 12:21:50.667Z	273.883° WNW	35.306°	2025-07-16 12:25:50.667Z	216.693° SW

Authenticating...

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Check out YIJIAN, 41899 on other resources

View YIJIAN, 41899 on NASA - NSSDCA Website

View YIJIAN, 41899 on Heavens-Above

View YIJIAN, 41899 on Keep Track

View YIJIAN, 41899 on Celestrak

View YIJIAN, 41899 on Gunter's Space Page

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