OBJECT H, 63989

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 H, 63989 is a Chinese satellite in SSO that was launched on Wed, 14 May 2025 UTC via a CHANG ZHENG 2D 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/63989?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/63989?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

63989, 2025-100H

Orbit

SSO

Last TLE update

5 hours ago

Origin

CN / PRC

Manufacturer

Unknown

Mission

Operational Commercial Technology

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

2025-05-14 (2 months ago)

Launch vehicle

CHANG ZHENG 2D

Launch site

Jiuquan Satellite Launch Center, China (JSC)

Object type

Unknown

Shape & HBR

Box + 2 Pan, 0.1 m

Radar Cross Section

0.135 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 5 hours ago

0 OBJECT H
1 63989U 25100H   25199.50730542  .00013095  00000-0  62293-3 0  9998
2 63989  97.4063 274.0167 0014661  47.0744 313.1718 15.19209401  9912

Epoch: 2025-07-18T12:10Z

TLE epoch observation values (Epoch: 2025-07-18T12:10:31.188Z)

Latitude

-0.00003°

Longitude

154.82898°

Altitude

504.417 km

Speed

7.616 km/s

True Right ascension

18h 16m 04s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

78.37289°

Longitude

116.11514°

Altitude

513.107 km

Speed

7.619 km/s

Apparent Right ascension

17h 32m 24s

Apparent Declination

23° 34' 50"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

06:02:53

Azimuth

7.779° NNE

Elevation

-26.106°

Doppler factor

Orbital elements

Apogee altitude

515.287 km

Perigee altitude

495.104 km

Semi-major axis

6,883.333 km

Eccentricity

0.00147

Inclination

97.4063°

RAAN

274.0167°

Arg. of periapsis

47.0744°

True anomaly

313.04912°

Mean anomaly

313.1718°

Eccentric anomaly

313.11048°

Mean motion

3.80054 °/min

Orbital period

94.72 mins

BSTAR

0.00062293

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Other satellites on launch #100 in the year 2025 (2025-05-14 UTC)

OBJECT H Visibility forecast

Observer location: undefined°, undefined°

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	2025-07-18 17:29:17.673Z	31.54° NE	2025-07-18 17:32:17.673Z	114.622° SE	33.531°	2025-07-18 17:35:17.673Z	170.439° S
4 mins	2025-07-19 05:42:17.673Z	220.526° SW	2025-07-19 05:44:17.673Z	270.39° WNW	23.981°	2025-07-19 05:46:17.673Z	313.363° NW

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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Authenticating...

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Check out OBJECT H, 63989 on other resources

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View OBJECT H, 63989 on Celestrak

View OBJECT H, 63989 on Gunter's Space Page

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