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YAOGAN-30 B, 42946

Orbit data source: Space-Track

YAOGAN-30 B, 42946 is a payload satellite owned by PLA SSF (CN) in LEO that was launched on Fri, 29 Sep 2017 UTC via a CHANG ZHENG 2C 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/42946?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/42946?theme=dark&initialShowStats=false

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Identifier

42946, 2017-058B

Orbit

LEO

Country

CN / PRC

Related business

Strategic Support Troops (CN)

Manufacturer

SECM

Mission

Operational Defense Sigint

Bus & Motor

Unknown

Mass

~500 kg wet, ~500 kg dry

Launch date (UTC)

2017-09-29 (8 years ago)

Launch vehicle

CHANG ZHENG 2C

Launch site

Xichang Space Center, China (XSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 0.5 m

Radar Cross Section

0.446 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 9 hours ago

TLE from 9 hours ago

0 YAOGAN-30 B
1 42946U 17058B   25357.28711132  .00003646  00000-0  27785-3 0  9994
2 42946  34.9989  21.5503 0003157 225.2975 134.7476 15.01575517449391

Epoch: 2025-12-23T06:53Z

TLE epoch observation values (Epoch: 2025-12-23T06:53:26.418Z)

Latitude

-0°

Longitude

-173.8828°

Altitude

562.497 km

Speed

7.581 km/s

True Right ascension

01h 26m 12s

True Declination

0° 00' 00"

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

14:35:41

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

567.449 km

Perigee altitude

563.065 km

Semi-major axis

6,943.394 km

Eccentricity

0.00032

Inclination

34.9989°

RAAN

21.5503°

Arg. of periapsis

225.2975°

True anomaly

134.77329°

Mean anomaly

134.7476°

Eccentric anomaly

134.76044°

Mean motion

3.75133 °/min

Orbital period

95.97 mins

BSTAR

0.00027785

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Other satellites on launch #58 in the year 2017 (2017-09-29 UTC)

YAOGAN-30 C, 42947

YAOGAN-30 A, 42945

CZ-2C R/B, 42948

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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YAOGAN-30 B 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.
6 mins	2025-12-24 05:27:28.431Z	210.244° SW	2025-12-24 05:30:28.431Z	164.992° S	20.519°	2025-12-24 05:33:28.431Z	113.486° SE
6 mins	2025-12-24 07:09:28.431Z	229.534° WSW	2025-12-24 07:11:28.431Z	178.723° S	32.83°	2025-12-24 07:15:28.431Z	104.968° ESE
5 mins	2025-12-24 08:50:28.431Z	241.602° WSW	2025-12-24 08:52:28.431Z	193.074° SSW	30.743°	2025-12-24 08:55:28.431Z	129.321° SE

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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 YAOGAN-30 B, 42946 on other resources

View YAOGAN-30 B, 42946 on NASA - NSSDCA Website

View YAOGAN-30 B, 42946 on Heavens-Above

View YAOGAN-30 B, 42946 on Keep Track

View YAOGAN-30 B, 42946 on Celestrak

View YAOGAN-30 B, 42946 on Gunter's Space Page

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

YAOGAN-30 B, 42946

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2025-12-23T06:53:26.418Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #58 in the year 2017 (2017-09-29 UTC)

YAOGAN-30 B Visibility forecast

Co-orbital & Co-planar RSOs

Check out YAOGAN-30 B, 42946 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 hours ago