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YAOGAN-33 04, 57958

Orbit data source: Space-Track

YAOGAN-33 04, 57958 is a payload satellite owned by PLA SSF (CN) in SSO that was launched on Tue, 26 Sep 2023 UTC via a CHANG ZHENG 4C 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 URL

https://www.satcat.com/sats-embedded/57958?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

57958, 2023-149A

Orbit

SSO

Country

CN / PRC

Related business

Strategic Support Troops (CN)

Manufacturer

SAST

Mission

Operational Defense Radar Imaging

Bus & Motor

JB-9, Unknown motor

Mass

1,040 kg wet, 1,040 kg dry

Launch date (UTC)

2023-09-26 (3 years ago)

Launch vehicle

CHANG ZHENG 4C

Launch site

Jiuquan Satellite Launch Center, China (JSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, Unknown HBR

Radar Cross Section

4.795 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 22 hours ago

TLE from 22 hours ago

0 YAOGAN-33 04
1 57958U 23149A   26172.51625258  .00000303  00000-0  74728-4 0  9993
2 57958  98.1971 121.8520 0001566  57.1301 303.0049 14.58735696145637

Epoch: 2026-06-21T12:23Z

TLE epoch observation values (Epoch: 2026-06-21T12:23:24.222Z)

Latitude

-0.00005°

Longitude

26.28568°

Altitude

699.639 km

Speed

7.507 km/s

True Right ascension

08h 07m 24s

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

21:30:01

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

695.45 km

Perigee altitude

693.234 km

Semi-major axis

7,072.479 km

Eccentricity

0.00016

Inclination

98.1971°

RAAN

121.852°

Arg. of periapsis

57.1301°

True anomaly

302.98985°

Mean anomaly

303.0049°

Eccentric anomaly

302.99737°

Mean motion

3.6491 °/min

Orbital period

98.65 mins

BSTAR

0.000074728

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Other satellites on launch #149 in the year 2023 (2023-09-26 UTC)

CZ-4C R/B, 57959

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YAOGAN-33 04 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	2026-06-22 19:49:01.017Z	118.217° SE	2026-06-22 19:52:01.017Z	66.815° ENE	25.337°	2026-06-22 19:55:01.017Z	17.243° NNE
6 mins	2026-06-22 21:27:01.017Z	218.349° SW	2026-06-22 21:29:01.017Z	252.805° W	24.959°	2026-06-22 21:33:01.017Z	319.61° NNW
8 mins	2026-06-23 09:25:01.017Z	18.059° NNE	2026-06-23 09:29:01.017Z	143.729° SSE	43.276°	2026-06-23 09:33:01.017Z	187.76° SSW

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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-33 04, 57958 on other resources

View YAOGAN-33 04, 57958 on NASA - NSSDCA Website

View YAOGAN-33 04, 57958 on Heavens-Above

View YAOGAN-33 04, 57958 on Keep Track

View YAOGAN-33 04, 57958 on Celestrak

View YAOGAN-33 04, 57958 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-33 04, 57958

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 22 hours ago

TLE from 22 hours ago

TLE epoch observation values (Epoch: 2026-06-21T12:23:24.222Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #149 in the year 2023 (2023-09-26 UTC)

YAOGAN-33 04 Visibility forecast

Co-orbital & Co-planar RSOs

Check out YAOGAN-33 04, 57958 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 22 hours ago