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DS-SAR, 57481

Orbit data source: Space-Track

DS-SAR, 57481 is a Singaporean payload satellite in LEO that was launched on Sun, 30 Jul 2023 UTC via a PSLV launch vehicle from the Sirharikota (SRI). 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.

Not visible in the next 10 days

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Iframe URL

https://www.satcat.com/sats-embedded/57481?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

57481, 2023-109A

Orbit

LEO

Country

SG / SING

Related business

Defense Science and Technology Agency (SG)

Manufacturer

STELEC/IAI

Mission

Operational Defense Radar Imaging

Bus & Motor

DS-EO, Unknown motor

Mass

352 kg wet, ~352 kg dry

Launch date (UTC)

2023-07-30 (3 years ago)

Launch vehicle

PSLV

Launch site

Sirharikota (SRI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan + 1 Dish, 1.0 m

Radar Cross Section

6.000 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 8 months ago

TLE from 8 months ago

0 DS-SAR
1 57481U 23109A   25221.87688657  .00126762  00000-0  65183-2 0  9996
2 57481   4.9911  68.1156 0023376 265.9833 303.4444 15.14209474112772

Epoch: 2025-08-09T21:02Z

TLE epoch observation values (Epoch: 2025-08-09T21:02:42.999Z)

Latitude

-2.44709°

Longitude

2.9509°

Altitude

511.741 km

Speed

7.616 km/s

True Right ascension

18h 28m 56s

True Declination

-2° 25' 55"

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

01:03:33

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

545.845 km

Perigee altitude

513.549 km

Semi-major axis

6,907.834 km

Eccentricity

0.00234

Inclination

4.9911°

RAAN

68.1156°

Arg. of periapsis

265.9833°

True anomaly

303.22052°

Mean anomaly

303.4444°

Eccentric anomaly

303.3325°

Mean motion

3.78034 °/min

Orbital period

95.23 mins

BSTAR

0.0065183

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Other satellites on launch #109 in the year 2023 (2023-07-30 UTC)

ORB-12 STRIDER, 57483

NULION, 57487

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DS-SAR Visibility

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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.
DS-SAR is likely not visible in the next few days.

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 DS-SAR, 57481 on other resources

View DS-SAR, 57481 on NASA - NSSDCA Website

View DS-SAR, 57481 on Heavens-Above

View DS-SAR, 57481 on Keep Track

View DS-SAR, 57481 on Celestrak

View DS-SAR, 57481 on Gunter's Space Page

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

DS-SAR, 57481

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 months ago

TLE from 8 months ago

TLE epoch observation values (Epoch: 2025-08-09T21:02:42.999Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #109 in the year 2023 (2023-07-30 UTC)

DS-SAR Visibility

Co-orbital & Co-planar RSOs

Check out DS-SAR, 57481 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 months ago