OBJECT E, 61739

Orbit data source: Space-Track

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Recently launched and/or uncataloged satellites may have evolving metadata. Metadata may include but not limited to: Owner, Maufacturer, Bus, Motor, and Mission.

OBJECT E, 61739 is a satellite in SSO that was launched on Mon, 04 Nov 2024 UTC via a SOYUZ-2-1B launch vehicle from the Vostochny Cosmodrome (VOSTO). Unknown objects in Earth's orbit typically refer to objects detected orbiting the Earth but have not yet been identified or cataloged. These objects could be anything from previously untracked satellites, spent rocket stages, debris from satellite collisions, or even natural meteoroids temporarily captured by Earth's gravity.

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<iframe src="https://www.satcat.com/sats-embedded/61739?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/61739?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

61739, 2024-199E

Orbit

SSO

Country

TBD

Related business

Sitronics Group (RU)

Manufacturer

Sputniks

Mission

Operational Commercial Communications

Bus & Motor

CUBESAT 3U?, Unknown motor

Mass

3 kg wet, 3 kg dry

Launch date (UTC)

2024-11-04 (1 year ago)

Launch vehicle

SOYUZ-2-1B

Launch site

Vostochny Cosmodrome (VOSTO)

Object type

Unknown

Shape & HBR

Box, 0.1 m

Radar Cross Section

0.035 m², Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 5 hours ago

TLE from 5 hours ago

0 OBJECT E
1 61739U 24199E   26055.82253890  .00001651  00000-0  15677-3 0  9998
2 61739  97.3334 260.9674 0014131  82.6378 277.6449 14.94681912114960

Epoch: 2026-02-24T19:44Z

TLE epoch observation values (Epoch: 2026-02-24T19:44:27.360Z)

Latitude

-0.00005°

Longitude

170.15686°

Altitude

585.123 km

Speed

7.568 km/s

True Right ascension

17h 23m 52s

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

04:22:34

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

590.19 km

Perigee altitude

570.524 km

Semi-major axis

6,958.494 km

Eccentricity

0.00141

Inclination

97.3334°

RAAN

260.9674°

Arg. of periapsis

82.6378°

True anomaly

277.48437°

Mean anomaly

277.6449°

Eccentric anomaly

277.56464°

Mean motion

3.73913 °/min

Orbital period

96.28 mins

BSTAR

0.00015677

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Other satellites on launch #199 in the year 2024 (2024-11-04 UTC)

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OBJECT E 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	2026-02-25 02:44:23.247Z	357.842° N	2026-02-25 02:47:23.247Z	269.46° W	39.174°	2026-02-25 02:50:23.247Z	210.06° SW
6 mins	2026-02-25 13:33:23.247Z	160.16° S	2026-02-25 13:35:23.247Z	125.927° SE	43.691°	2026-02-25 13:39:23.247Z	351.232° N

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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 OBJECT E, 61739 on other resources

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View OBJECT E, 61739 on Keep Track

View OBJECT E, 61739 on Celestrak

View OBJECT E, 61739 on Gunter's Space Page

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

OBJECT E, 61739

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 5 hours ago

TLE from 5 hours ago

TLE epoch observation values (Epoch: 2026-02-24T19:44:27.360Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #199 in the year 2024 (2024-11-04 UTC)

OBJECT E Visibility forecast

Co-orbital & Co-planar RSOs

Check out OBJECT E, 61739 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 5 hours ago