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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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ISO8601 Format

Identifier

42946, 2017-058B

Orbit

LEO

Last TLE update

4 hours ago

Origin

Strategic Support Troops (CN / PRC)

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

TLE from 4 hours ago

0 YAOGAN-30 B
1 42946U 17058B   25200.22825660  .00001957  00000-0  15571-3 0  9990
2 42946  34.9972 256.0308 0002741 279.2421  80.7976 15.00192715425791

Epoch: 2025-07-19T05:28Z

TLE epoch observation values (Epoch: 2025-07-19T05:28:41.37Z)

Latitude

-0.00003°

Longitude

-123.40999°

Altitude

564.915 km

Speed

7.581 km/s

True Right ascension

17h 04m 07s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

34.25191°

Longitude

-49.01037°

Altitude

568.527 km

Speed

7.581 km/s

Apparent Right ascension

23h 05m 40s

Apparent Declination

-11° 31' 16"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

21:50:15

Azimuth

157.059° SSE

Elevation

35.665°

Doppler factor

Orbital elements

Apogee altitude

571.424 km

Perigee altitude

567.615 km

Semi-major axis

6,947.657 km

Eccentricity

0.00027

Inclination

34.9972°

RAAN

256.0308°

Arg. of periapsis

279.2421°

True anomaly

80.82861°

Mean anomaly

80.7976°

Eccentric anomaly

80.8131°

Mean motion

3.74788 °/min

Orbital period

96.05 mins

BSTAR

0.00015571

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

YAOGAN-30 A, 42945

YAOGAN-30 C, 42947

CZ-2C R/B, 42948

YAOGAN-30 B 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	2025-07-19 10:39:04.369Z	246.949° WSW	2025-07-19 10:42:04.369Z	173.661° S	32.979°	2025-07-19 10:45:04.369Z	118.619° SE
5 mins	2025-07-19 12:21:04.369Z	233.099° WSW	2025-07-19 12:23:04.369Z	192.77° SSW	21.444°	2025-07-19 12:26:04.369Z	147.48° SSE
4 mins	2025-07-20 07:17:04.369Z	188.076° SSW	2025-07-20 07:19:04.369Z	149.614° SSE	19.609°	2025-07-20 07:21:04.369Z	117.141° SE
4 mins	2025-07-20 08:57:04.369Z	232.461° WSW	2025-07-20 08:59:04.369Z	191.78° SSW	31.727°	2025-07-20 09:01:04.369Z	128.214° SE

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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Authenticating...

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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.