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TIANHUI 2-02B, 49072

Orbit data source: Space-Track

TIANHUI 2-02B, 49072 is a payload satellite owned by G. Cehui dili (CN) in SSO that was launched on Wed, 18 Aug 2021 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/49072?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/49072?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

49072, 2021-074B

Orbit

SSO

Country

CN / PRC

Related business

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

Manufacturer

SAST

Mission

Operational Civil Radar Imaging

Bus & Motor

CAST-2000?, Unknown motor

Mass

~1,000 kg wet, ~1,000 kg dry

Launch date (UTC)

2021-08-18 (5 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, 1.5 m

Radar Cross Section

2.045 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 1 day ago

TLE from 1 day ago

0 TIANHUI 2-02B
1 49072U 21074B   26090.54624230  .00003088  00000-0  16076-3 0  9991
2 49072  97.4821  94.7884 0001728  81.6721 278.4708 15.16761277255504

Epoch: 2026-03-31T13:06Z

TLE epoch observation values (Epoch: 2026-03-31T13:06:35.334Z)

Latitude

-0.00004°

Longitude

69.2193°

Altitude

518.545 km

Speed

7.604 km/s

True Right ascension

06h 19m 09s

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

02:24:17

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

513.801 km

Perigee altitude

511.419 km

Semi-major axis

6,890.747 km

Eccentricity

0.00017

Inclination

97.4821°

RAAN

94.7884°

Arg. of periapsis

81.6721°

True anomaly

278.45121°

Mean anomaly

278.4708°

Eccentric anomaly

278.46101°

Mean motion

3.79441 °/min

Orbital period

94.88 mins

BSTAR

0.00016076

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Other satellites on launch #74 in the year 2021 (2021-08-18 UTC)

TIANHUI 2-02A, 49071

CZ-4B R/B, 49073 (Decayed)

CZ-4B DEB, 49074 (Decayed)

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TIANHUI 2-02B 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	2026-04-02 00:03:53.152Z	155.901° SSE	2026-04-02 00:06:53.152Z	112.835° SE	40.062°	2026-04-02 00:10:53.152Z	355.008° N
6 mins	2026-04-02 13:10:53.152Z	8.034° NNE	2026-04-02 13:12:53.152Z	348.157° N	42.453°	2026-04-02 13:16:53.152Z	197.068° 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 TIANHUI 2-02B, 49072 on other resources

View TIANHUI 2-02B, 49072 on NASA - NSSDCA Website

View TIANHUI 2-02B, 49072 on Heavens-Above

View TIANHUI 2-02B, 49072 on Keep Track

View TIANHUI 2-02B, 49072 on Celestrak

View TIANHUI 2-02B, 49072 on Gunter's Space Page

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

TIANHUI 2-02B, 49072

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-03-31T13:06:35.334Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #74 in the year 2021 (2021-08-18 UTC)

TIANHUI 2-02B Visibility forecast

Co-orbital & Co-planar RSOs

Check out TIANHUI 2-02B, 49072 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago