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SJ-7, 28737

Orbit data source: Space-Track

SJ-7, 28737 is a payload satellite owned by CASC (CN) in SSO that was launched on Tue, 05 Jul 2005 UTC via a CHANG ZHENG 2D 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 src="https://www.satcat.com/sats-embedded/28737?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/28737?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

28737, 2005-024A

Orbit

SSO

Last TLE update

13 hours ago

Origin

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

Manufacturer

SAST

Mission

Operational Civil Technology

Bus & Motor

FY-1?, Unknown motor

Mass

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

Launch date (UTC)

2005-07-05 (20 years ago)

Launch vehicle

CHANG ZHENG 2D

Launch site

Jiuquan Satellite Launch Center, China (JSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 1 Pan, 2 m

Radar Cross Section

6.000 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 13 hours ago

0 SJ-7
1 28737U 05024A   25183.59531554  .00005960  00000-0  32195-3 0  9997
2 28737  97.7576 200.3359 0018973 156.5614 203.6487 15.14956377 94986

Epoch: 2025-07-02T14:17Z

TLE epoch observation values (Epoch: 2025-07-02T14:17:15.262Z)

Latitude

0.00003°

Longitude

65.14814°

Altitude

536.182 km

Speed

7.588 km/s

True Right ascension

13h 21m 20s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-13.83097°

Longitude

67.59599°

Altitude

539.806 km

Speed

7.585 km/s

Apparent Right ascension

11h 10m 00s

Apparent Declination

-66° 24' 54"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

14:39:34

Azimuth

200.241° SSW

Elevation

-23.628°

Doppler factor

Orbital elements

Apogee altitude

531.183 km

Perigee altitude

505.015 km

Semi-major axis

6,896.236 km

Eccentricity

0.0019

Inclination

97.7576°

RAAN

200.3359°

Arg. of periapsis

156.5614°

True anomaly

Unknown

Mean anomaly

203.6487°

Eccentric anomaly

Unknown

Mean motion

3.78988 °/min

Orbital period

94.99 mins

BSTAR

0.00032195

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Other satellites on launch #24 in the year 2005 (2005-07-05 UTC)

CZ-2D R/B, 28738

CZ-2D DEB, 28739 (Decayed)

CZ-2D DEB, 28740 (Decayed)

CZ-2D DEB, 28741 (Decayed)

CZ-2D DEB, 28742 (Decayed)

CZ-2D DEB, 28785 (Decayed)

CZ-2D DEB, 29217 (Decayed)

SJ-7 DEB, 44901 (Decayed)

SJ-7 DEB, 44902 (Decayed)

SJ-7 Visibility forecast

Observer location: undefined°, undefined°

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.
5 mins	2025-07-03 14:38:28.325Z	335.023° NNW	2025-07-03 14:40:28.325Z	282.764° WNW	26.466°	2025-07-03 14:43:28.325Z	227.339° WSW
5 mins	2025-07-04 01:18:28.325Z	180.115° SSW	2025-07-04 01:20:28.325Z	283.717° WNW	43.07°	2025-07-04 01:23:28.325Z	341.939° N

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Check out SJ-7, 28737 on other resources

View SJ-7, 28737 on NASA - NSSDCA Website

View SJ-7, 28737 on Heavens-Above

View SJ-7, 28737 on Keep Track

View SJ-7, 28737 on Celestrak

View SJ-7, 28737 on Gunter's Space Page

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