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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: 13 hours ago

TLE from 13 hours ago

0 ZY 3 2
1 41556U 16033A   25359.28398097  .00008053  00000-0  36310-3 0  9996
2 41556  97.4024  73.2407 0011449 199.4078 160.6724 15.21231137531549

Epoch: 2025-12-25T06:48Z

TLE epoch observation values (Epoch: 2025-12-25T06:48:55.955Z)

Latitude

0.00002°

Longitude

-123.03368°

Altitude

512.654 km

Speed

7.603 km/s

True Right ascension

04h 52m 57s

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

18:36:59

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

506.964 km

Perigee altitude

491.216 km

Semi-major axis

6,877.227 km

Eccentricity

0.00114

Inclination

97.4024°

RAAN

73.2407°

Arg. of periapsis

199.4078°

True anomaly

160.71576°

Mean anomaly

160.6724°

Eccentric anomaly

160.69409°

Mean motion

3.8056 °/min

Orbital period

94.6 mins

BSTAR

0.0003631

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

NUSAT 2, 41558 (Decayed)

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

NUSAT 1 DEB, 43427 (Decayed)

NUSAT 1, 41557 (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.
7 mins	2025-12-26 05:02:14.464Z	160.601° S	2025-12-26 05:05:14.464Z	130.442° SE	41.693°	2025-12-26 05:09:14.464Z	352.263° N
5 mins	2025-12-26 18:07:14.464Z	4.117° NNE	2025-12-26 18:09:14.464Z	313.67° NW	43.02°	2025-12-26 18:12:14.464Z	201.282° 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: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2025-12-25T06:48:55.955Z)

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: 13 hours ago