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STSAT 3, 39422

Orbit data source: Space-Track

STSAT 3, 39422 is a payload satellite owned by KARI (KR) in SSO that was launched on Thu, 21 Nov 2013 UTC via a DNEPR launch vehicle from the Orenburg, Russia (OREN). 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 URL

https://www.satcat.com/sats-embedded/39422?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

39422, 2013-066G

Orbit

SSO

Country

KR / SKOR

Related business

Korea Aerospace Research Institute (KR)

Manufacturer

SatRec Initiative

Mission

Operational Civil Ast/Imaging

Bus & Motor

STSAT, Unknown motor

Mass

170 kg wet, 170 kg dry

Launch date (UTC)

2013-11-21 (12 years ago)

Launch vehicle

DNEPR

Launch site

Orenburg, Russia (OREN)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 0.9 m

Radar Cross Section

0.919 m², Medium (>0.1 m² and < 1m²)

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

TLE from 8 hours ago

0 STSAT 3
1 39422U 13066G   26092.32616316  .00007336  00000-0  55919-3 0  9994
2 39422  97.6152  63.5064 0009140 290.5647  69.4597 15.02301624672811

Epoch: 2026-04-02T07:49Z

TLE epoch observation values (Epoch: 2026-04-02T07:49:40.497Z)

Latitude

0.00001°

Longitude

115.41141°

Altitude

560.641 km

Speed

7.582 km/s

True Right ascension

04h 14m 01s

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

21:47:20

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

563.138 km

Perigee altitude

550.461 km

Semi-major axis

6,934.937 km

Eccentricity

0.00091

Inclination

97.6152°

RAAN

63.5064°

Arg. of periapsis

290.5647°

True anomaly

69.55782°

Mean anomaly

69.4597°

Eccentric anomaly

69.50875°

Mean motion

3.7582 °/min

Orbital period

95.79 mins

BSTAR

0.00055919

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Other satellites on launch #66 in the year 2013 (2013-11-21 UTC)

QUBESCOUT-S1, 39443 (Decayed)

NEE 02 KRYSAOR, 39441

GOMX 1, 39430

PUCP-SAT 1, 39442

FIRST-MOVE, 39439 (Decayed)

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STSAT 3 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	2026-04-02 22:20:45.325Z	187.309° SSW	2026-04-02 22:23:45.325Z	280.593° WNW	38.381°	2026-04-02 22:26:45.325Z	336.105° NNW
4 mins	2026-04-03 10:00:45.325Z	71.484° E	2026-04-03 10:01:45.325Z	90.905° ESE	18.271°	2026-04-03 10:04:45.325Z	140.286° SSE
5 mins	2026-04-03 11:34:45.325Z	336.29° NNW	2026-04-03 11:36:45.325Z	291.873° WNW	26.36°	2026-04-03 11:39:45.325Z	232.879° WSW

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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 STSAT 3, 39422 on other resources

View STSAT 3, 39422 on NASA - NSSDCA Website

View STSAT 3, 39422 on Heavens-Above

View STSAT 3, 39422 on Keep Track

View STSAT 3, 39422 on Celestrak

View STSAT 3, 39422 on Gunter's Space Page

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

STSAT 3, 39422

Orbit data source: Space-Track

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

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-04-02T07:49:40.497Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #66 in the year 2013 (2013-11-21 UTC)

STSAT 3 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STSAT 3, 39422 on other resources

Documentation

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