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SHIJIAN 6 05A (SJ-6 05A), 49961

Orbit data source: Space-Track

SHIJIAN 6 05A (SJ-6 05A), 49961 is a payload satellite owned by CASC (CN) in SSO that was launched on Fri, 10 Dec 2021 UTC via a CHANG ZHENG 4B 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/49961?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/49961?theme=dark&initialShowStats=false

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Identifier

49961, 2021-122A

Orbit

SSO

Last TLE update

9 hours ago

Origin

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

Manufacturer

SAST

Mission

Operational Defense Sigint

Bus & Motor

FY-1?, Unknown motor

Mass

~1,000 kg wet, ~1,000 kg dry

Launch date (UTC)

2021-12-10 (4 years ago)

Launch vehicle

CHANG ZHENG 4B

Launch site

Jiuquan Satellite Launch Center, China (JSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 8.6 m

Radar Cross Section

5.659 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 9 hours ago

0 SHIJIAN 6 05A (SJ-6 05A)
1 49961U 21122A   25182.70427762  .00002083  00000-0  18300-3 0  9998
2 49961  97.3641 164.7067 0002052 104.0388 256.1064 14.97562043196264

Epoch: 2025-07-01T16:54Z

TLE epoch observation values (Epoch: 2025-07-01T16:54:09.586Z)

Latitude

0.00006°

Longitude

-8.82916°

Altitude

577.836 km

Speed

7.571 km/s

True Right ascension

10h 58m 49s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-81.99498°

Longitude

57.59926°

Altitude

604.173 km

Speed

7.555 km/s

Apparent Right ascension

01h 26m 48s

Apparent Declination

-69° 50' 13"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

13:49:15

Azimuth

176.14° S

Elevation

-59.934°

Doppler factor

Orbital elements

Apogee altitude

572.852 km

Perigee altitude

570 km

Semi-major axis

6,949.563 km

Eccentricity

0.00021

Inclination

97.3641°

RAAN

164.7067°

Arg. of periapsis

104.0388°

True anomaly

Unknown

Mean anomaly

256.1064°

Eccentric anomaly

Unknown

Mean motion

3.74634 °/min

Orbital period

96.09 mins

BSTAR

0.000183

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Other satellites on launch #122 in the year 2021 (2021-12-10 UTC)

SHIJIAN 6 05B (SJ-6 05B), 49962

CZ-4B DEB, 49963 (Decayed)

CZ-4B R/B, 49964 (Decayed)

CZ-4B DEB, 49965 (Decayed)

SHIJIAN 6 05A (SJ-6 05A) 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.
6 mins	2025-07-02 11:07:14.282Z	36.975° NE	2025-07-02 11:10:14.282Z	100.837° ESE	29.299°	2025-07-02 11:13:14.282Z	159.163° S
4 mins	2025-07-02 21:56:14.282Z	95.279° ESE	2025-07-02 21:57:14.282Z	76.725° E	18.452°	2025-07-02 22:00:14.282Z	25.168° NE
6 mins	2025-07-02 23:30:14.282Z	211.297° SW	2025-07-02 23:32:14.282Z	250.392° W	26.256°	2025-07-02 23:36:14.282Z	325.924° NNW

Authenticating...

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Check out SHIJIAN 6 05A (SJ-6 05A), 49961 on other resources

View SHIJIAN 6 05A (SJ-6 05A), 49961 on NASA - NSSDCA Website

View SHIJIAN 6 05A (SJ-6 05A), 49961 on Heavens-Above

View SHIJIAN 6 05A (SJ-6 05A), 49961 on Keep Track

View SHIJIAN 6 05A (SJ-6 05A), 49961 on Celestrak

View SHIJIAN 6 05A (SJ-6 05A), 49961 on Gunter's Space Page

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