Showing default

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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

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: 22 hours ago

TLE from 22 hours ago

0 ZY 3 2
1 41556U 16033A   26172.53097848  .00003654  00000-0  16656-3 0  9991
2 41556  97.3832 248.2226 0012375 274.4666  85.5156 15.21213451558647

Epoch: 2026-06-21T12:44Z

TLE epoch observation values (Epoch: 2026-06-21T12:44:36.540Z)

Latitude

-0.00004°

Longitude

147.34044°

Altitude

504.617 km

Speed

7.612 km/s

True Right ascension

16h 32m 53s

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

21:36:29

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

507.653 km

Perigee altitude

490.632 km

Semi-major axis

6,877.28 km

Eccentricity

0.00124

Inclination

97.3832°

RAAN

248.2226°

Arg. of periapsis

274.4666°

True anomaly

85.65699°

Mean anomaly

85.5156°

Eccentric anomaly

85.58629°

Mean motion

3.80556 °/min

Orbital period

94.6 mins

BSTAR

0.00016656

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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)

Did you know?

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

Click here to try in Sandbox

ZY 3 2 Visibility forecast

Loading observer location...
Set Observer location

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 17:43:27.400Z	21.465° NNE	2026-06-22 17:46:27.400Z	95.456° ESE	40.855°	2026-06-22 17:49:27.400Z	178.931° S
4 mins	2026-06-23 04:22:27.400Z	102.712° ESE	2026-06-23 04:23:27.400Z	80.777° E	20.926°	2026-06-23 04:26:27.400Z	20.765° NNE

Items per page:

1–2 of 2 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

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: 22 hours ago

TLE from 22 hours ago

TLE epoch observation values (Epoch: 2026-06-21T12:44:36.540Z)

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: 22 hours ago