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ZY 3 2, 41556

Orbit data source: Space-Track

ZY 3 2, 41556 is a Chinese payload satellite in SSO that was launched on Mon, 30 May 2016 UTC via a CHANG ZHENG 4B launch vehicle from the Taiyaun Space Center, China (TSC). 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/41556?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/41556?theme=dark&initialShowStats=false

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Identifier

41556, 2016-033A

Orbit

SSO

Country

CN / PRC

Related business

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

Manufacturer

CAST

Mission

Operational Civil Imaging

Bus & Motor

ZY, AOCS 20N

Mass

2,650 kg wet, ~2,600 kg dry

Launch date (UTC)

2016-05-30 (10 years ago)

Launch vehicle

CHANG ZHENG 4B

Launch site

Taiyaun Space Center, China (TSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 5.0 m

Radar Cross Section

10.304 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 6 hours ago

TLE from 6 hours ago

0 ZY 3 2
1 41556U 16033A   26284.93883904  .00006486  00000-0  29105-3 0  9994
2 41556  97.3742 358.4001 0011578 246.8314 113.1702 15.21468831575737

Epoch: 2026-10-11T22:31Z

TLE epoch observation values (Epoch: 2026-10-11T22:31:55.693Z)

Latitude

-0.00006°

Longitude

-0.10637°

Altitude

507.645 km

Speed

7.608 km/s

True Right ascension

23h 53m 36s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

22:25:08

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

506.333 km

Perigee altitude

490.41 km

Semi-major axis

6,876.509 km

Eccentricity

0.00116

Inclination

97.3742°

RAAN

358.4001°

Arg. of periapsis

246.8314°

True anomaly

113.2921°

Mean anomaly

113.1702°

Eccentric anomaly

113.23116°

Mean motion

3.8062 °/min

Orbital period

94.58 mins

BSTAR

0.00029105

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Other satellites on launch #33 in the year 2016 (2016-05-30 UTC)

CZ-4B R/B, 41559 (Decayed)

NUSAT 1 DEB, 43427 (Decayed)

NUSAT 1, 41557 (Decayed)

NUSAT 2, 41558 (Decayed)

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ZY 3 2 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	2026-10-12 04:58:36.729Z	160.324° S	2026-10-12 05:01:36.729Z	38.554° NE	71.707°	2026-10-12 05:04:36.729Z	352.227° N
6 mins	2026-10-12 18:02:36.729Z	3.988° NNE	2026-10-12 18:04:36.729Z	333.538° NNW	59.49°	2026-10-12 18:08:36.729Z	200.911° 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 ZY 3 2, 41556 on other resources

View ZY 3 2, 41556 on NASA - NSSDCA Website

View ZY 3 2, 41556 on Heavens-Above

View ZY 3 2, 41556 on Keep Track

View ZY 3 2, 41556 on Celestrak

View ZY 3 2, 41556 on Gunter's Space Page

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

ZY 3 2, 41556

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-10-11T22:31:55.693Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #33 in the year 2016 (2016-05-30 UTC)

ZY 3 2 Visibility forecast

Co-orbital & Co-planar RSOs

Check out ZY 3 2, 41556 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 hours ago