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SDGSAT 1, 49387

Orbit data source: Space-Track

SDGSAT 1, 49387 is a payload satellite owned by CAS (CN) in SSO that was launched on Fri, 05 Nov 2021 UTC via a CHANG ZHENG 6 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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https://www.satcat.com/sats-embedded/49387?theme=dark&initialShowStats=false

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Identifier

49387, 2021-100A

Orbit

SSO

Country

CN / PRC

Related business

Chinese Academy of Sciences (CAS) (CN)

Manufacturer

IMI/CAS

Mission

Operational Civil Imaging

Bus & Motor

SDGSAT, Unknown motor

Mass

~500 kg wet, ~500 kg dry

Launch date (UTC)

2021-11-05 (5 years ago)

Launch vehicle

CHANG ZHENG 6

Launch site

Taiyaun Space Center, China (TSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 1 Pan, 1.5 m

Radar Cross Section

2.773 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 22 hours ago

TLE from 22 hours ago

0 SDGSAT 1
1 49387U 21100A   26172.51190728  .00002502  00000-0  12217-3 0  9991
2 49387  97.2626 219.2979 0007703 253.9538 106.0849 15.19129296256574

Epoch: 2026-06-21T12:17Z

TLE epoch observation values (Epoch: 2026-06-21T12:17:08.788Z)

Latitude

-0.00005°

Longitude

125.30017°

Altitude

513.038 km

Speed

7.606 km/s

True Right ascension

14h 37m 11s

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

21:28:44

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

510.734 km

Perigee altitude

500.129 km

Semi-major axis

6,883.569 km

Eccentricity

0.00077

Inclination

97.2626°

RAAN

219.2979°

Arg. of periapsis

253.9538°

True anomaly

106.16969°

Mean anomaly

106.0849°

Eccentric anomaly

106.1273°

Mean motion

3.80034 °/min

Orbital period

94.73 mins

BSTAR

0.00012217

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Other satellites on launch #100 in the year 2021 (2021-11-05 UTC)

No other RSOs were in this launch

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SDGSAT 1 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	2026-06-22 15:43:43.905Z	24.994° NE	2026-06-22 15:46:43.905Z	108.574° ESE	38.485°	2026-06-22 15:49:43.905Z	175.656° S
4 mins	2026-06-23 03:56:43.905Z	222.832° SW	2026-06-23 03:58:43.905Z	265.785° W	21.607°	2026-06-23 04:00:43.905Z	307.771° NW

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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 SDGSAT 1, 49387 on other resources

View SDGSAT 1, 49387 on NASA - NSSDCA Website

View SDGSAT 1, 49387 on Heavens-Above

View SDGSAT 1, 49387 on Keep Track

View SDGSAT 1, 49387 on Celestrak

View SDGSAT 1, 49387 on Gunter's Space Page

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

SDGSAT 1, 49387

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: 2026-06-21T12:17:08.788Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #100 in the year 2021 (2021-11-05 UTC)

SDGSAT 1 Visibility forecast

Co-orbital & Co-planar RSOs

Check out SDGSAT 1, 49387 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 22 hours ago