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

Country

CN / PRC

Related business

None

Manufacturer

Unknown

Mission

Operational Commercial Technology

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

2025-05-14 (1 year ago)

Launch vehicle

CHANG ZHENG 2D

Launch site

Jiuquan Satellite Launch Center, China (JSC)

Object type

Unknown

Shape & HBR

Box + 2 Pan, 0.9 m

Radar Cross Section

0.135 m², Large (>1 m²)

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Last TLE update: 12 hours ago

TLE from 12 hours ago

0 OBJECT H
1 63989U 25100H   26206.60968779  .00031874  00000-0  85936-3 0  9998
2 63989  97.3672 283.1816 0009837 138.7191 221.4800 15.37700621 66761

Epoch: 2026-07-25T14:37Z

TLE epoch observation values (Epoch: 2026-07-25T14:37:57.025Z)

Latitude

0.00008°

Longitude

120.37448°

Altitude

461.064 km

Speed

7.633 km/s

True Right ascension

18h 52m 43s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

16:15:44

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

456.568 km

Perigee altitude

443.135 km

Semi-major axis

6,827.988 km

Eccentricity

0.00098

Inclination

97.3672°

RAAN

283.1816°

Arg. of periapsis

138.7191°

True anomaly

221.40541°

Mean anomaly

221.48°

Eccentric anomaly

221.4427°

Mean motion

3.84684 °/min

Orbital period

93.58 mins

BSTAR

0.00085936

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

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OBJECT H 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	2026-07-26 04:48:53.883Z	144.226° SSE	2026-07-26 04:51:53.883Z	82.121° E	32.562°	2026-07-26 04:54:53.883Z	5.616° NNE
4 mins	2026-07-26 17:45:53.883Z	38.775° NE	2026-07-26 17:47:53.883Z	129.824° SE	34.581°	2026-07-26 17:49:53.883Z	171.359° S

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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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OBJECT H, 63989

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: 2026-07-25T14:37:57.025Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

OBJECT H Visibility forecast

Co-orbital & Co-planar RSOs

Check out OBJECT H, 63989 on other resources

Documentation

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