OBJECT B, 61239

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 B, 61239 is a Chinese satellite in SSO that was launched on Tue, 24 Sep 2024 UTC via a LIJIAN-1 launch vehicle from the Jiuquan Satellite Launch Center, China (JSC). 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/61239?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/61239?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

61239, 2024-174B

Orbit

SSO

Country

CN / PRC

Related business

None

Manufacturer

Unknown

Mission

Operational Commercial Radar Imaging

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

2024-09-24 (1 year ago)

Launch vehicle

LIJIAN-1

Launch site

Jiuquan Satellite Launch Center, China (JSC)

Object type

Unknown

Shape & HBR

Box + 3 Pan, 3.0 m

Radar Cross Section

3.533 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 6 hours ago

TLE from 6 hours ago

0 OBJECT B
1 61239U 24174B   26002.87151273  .00007058  00000-0  44964-3 0  9993
2 61239  97.4481  10.9646 0023019 133.7371 226.5769 15.08828400 70451

Epoch: 2026-01-02T20:54Z

TLE epoch observation values (Epoch: 2026-01-02T20:54:58.699Z)

Latitude

-0.00003°

Longitude

-45.28548°

Altitude

553.821 km

Speed

7.579 km/s

True Right ascension

00h 43m 51s

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

02:35:21

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

552.679 km

Perigee altitude

520.844 km

Semi-major axis

6,914.898 km

Eccentricity

0.0023

Inclination

97.4481°

RAAN

10.9646°

Arg. of periapsis

133.7371°

True anomaly

226.3857°

Mean anomaly

226.5769°

Eccentric anomaly

226.48126°

Mean motion

3.77454 °/min

Orbital period

95.38 mins

BSTAR

0.00044964

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Other satellites on launch #174 in the year 2024 (2024-09-24 UTC)

OBJECT D, 61241

OBJECT C, 61240

OBJECT G, 61443 (Decayed)

OBJECT F, 61263 (Decayed)

OBJECT E, 61242

OBJECT A, 61238

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OBJECT B 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	2026-01-03 13:23:51.313Z	6.237° NNE	2026-01-03 13:26:51.313Z	280.455° WNW	43.542°	2026-01-03 13:29:51.313Z	201.098° SSW
6 mins	2026-01-04 00:06:51.313Z	142.895° SSE	2026-01-04 00:09:51.313Z	48.201° ENE	35.807°	2026-01-04 00:12:51.313Z	0.272° NNE

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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 B, 61239 on other resources

View OBJECT B, 61239 on Heavens-Above

View OBJECT B, 61239 on Keep Track

View OBJECT B, 61239 on Celestrak

View OBJECT B, 61239 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 B, 61239

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-01-02T20:54:58.699Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #174 in the year 2024 (2024-09-24 UTC)

OBJECT B Visibility forecast

Co-orbital & Co-planar RSOs

Check out OBJECT B, 61239 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 hours ago