OBJECT B, 63983

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, 63983 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/63983?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/63983?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

63983, 2025-100B

Orbit

SSO

Last TLE update

8 hours ago

Origin

CN / PRC

Manufacturer

Unknown

Mission

Operational Commercial Technology

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

2025-05-14 (3 months ago)

Launch vehicle

CHANG ZHENG 2D

Launch site

Jiuquan Satellite Launch Center, China (JSC)

Object type

Unknown

Shape & HBR

Box + 2 Pan, 0.3 m

Radar Cross Section

0.195 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 8 hours ago

0 OBJECT B
1 63983U 25100B   25211.18899129  .00013773  00000-0  61767-3 0  9996
2 63983  97.4024 285.5392 0012695   5.1444 354.9920 15.21254086 11695

Epoch: 2025-07-30T04:32Z

TLE epoch observation values (Epoch: 2025-07-30T04:32:08.847Z)

Latitude

-0.00001°

Longitude

-90.56946°

Altitude

496.446 km

Speed

7.621 km/s

True Right ascension

19h 02m 09s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

82.45356°

Longitude

-167.46968°

Altitude

514.714 km

Speed

7.614 km/s

Apparent Right ascension

14h 17m 47s

Apparent Declination

25° 17' 18"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

02:22:05

Azimuth

1.07° NNE

Elevation

-24.788°

Doppler factor

Orbital elements

Apogee altitude

507.751 km

Perigee altitude

490.29 km

Semi-major axis

6,877.158 km

Eccentricity

0.00127

Inclination

97.4024°

RAAN

285.5392°

Arg. of periapsis

5.1444°

True anomaly

354.97928°

Mean anomaly

354.992°

Eccentric anomaly

354.98564°

Mean motion

3.80566 °/min

Orbital period

94.6 mins

BSTAR

0.00061767

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

OBJECT B 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	2025-07-30 17:43:54.554Z	19.285° NNE	2025-07-30 17:46:54.554Z	130.003° SE	42.467°	2025-07-30 17:49:54.554Z	184.253° SSW
4 mins	2025-07-31 04:22:54.554Z	100.259° ESE	2025-07-31 04:23:54.554Z	74.581° E	22.951°	2025-07-31 04:26:54.554Z	15.804° NNE

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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View OBJECT B, 63983 on Gunter's Space Page

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