OBJECT D, 65547

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 D, 65547 is a satellite owned by CAST (CN) in LEO that was launched on Sat, 06 Sep 2025 UTC launched from the Taiyaun Space Center, China (TSC). 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/65547?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/65547?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

65547, 2025-199D

Orbit

LEO

Country

CN / PRC

Related business

China Aerospace Science and Technology Corporation (CASC) (CN)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

2025-09-06 (9 months ago)

Launch vehicle

Unknown

Launch site

Taiyaun Space Center, China (TSC)

Object type

Unknown

Shape & HBR

Unknown shape, 2.2 m

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 12 hours ago

TLE from 12 hours ago

0 OBJECT D
1 65547U 25199D   26171.36962168  .00000115  00000-0  52335-4 0  9990
2 65547  85.9910  41.9083 0002722  91.6904 268.4591 14.12448827 40581

Epoch: 2026-06-20T08:52Z

TLE epoch observation values (Epoch: 2026-06-20T08:52:15.313Z)

Latitude

0.00001°

Longitude

0.25927°

Altitude

854.072 km

Speed

7.425 km/s

True Right ascension

02h 47m 37s

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

07:20:30

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

849.975 km

Perigee altitude

846.041 km

Semi-major axis

7,226.145 km

Eccentricity

0.00027

Inclination

85.991°

RAAN

41.9083°

Arg. of periapsis

91.6904°

True anomaly

268.42792°

Mean anomaly

268.4591°

Eccentric anomaly

268.44351°

Mean motion

3.53332 °/min

Orbital period

101.89 mins

BSTAR

0.000052335

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Other satellites on launch #199 in the year 2025 (2025-09-06 UTC)

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OBJECT D 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.
8 mins	2026-06-21 02:27:44.686Z	28.468° NE	2026-06-21 02:31:44.686Z	80.573° E	22.315°	2026-06-21 02:35:44.686Z	128.98° SE
8 mins	2026-06-21 04:10:44.686Z	331.255° NNW	2026-06-21 04:13:44.686Z	280.523° WNW	32.944°	2026-06-21 04:18:44.686Z	207.59° SW
9 mins	2026-06-21 15:35:44.686Z	163.595° S	2026-06-21 15:39:44.686Z	91.63° ESE	40.855°	2026-06-21 15:44:44.686Z	11.792° NNE
5 mins	2026-06-21 17:20:44.686Z	263.565° W	2026-06-21 17:22:44.686Z	288.698° WNW	16.075°	2026-06-21 17:25:44.686Z	322.797° NNW

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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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Check out OBJECT D, 65547 on other resources

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View OBJECT D, 65547 on Gunter's Space Page

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OBJECT D, 65547

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-06-20T08:52:15.313Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #199 in the year 2025 (2025-09-06 UTC)

OBJECT D Visibility forecast

Co-orbital & Co-planar RSOs

Check out OBJECT D, 65547 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago