OBJECT K, 63991

Orbit data source: Space-Track

You're viewing an Uncataloged Satellite

Recently launched and/or uncataloged satellites may have evolving metadata. Metadata may include but not limited to: Owner, Maufacturer, Bus, Motor, and Mission.

OBJECT K, 63991 is a 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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Identifier
63991, 2025-100K
Orbit
SSO
Last TLE update
8 hours ago
Origin
Unknown
Manufacturer
Unknown
Mission
Operational spacecraft
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
2025-05-14 (1 week ago)
Launch vehicle
CHANG ZHENG 2D
Launch site
Jiuquan Satellite Launch Center, China (JSC)
Object type
Unknown
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)

Expand to show TLE details & history

TLE from 8 hours ago
0 OBJECT K
1 63991U 25100K   25140.19739232  .00014114  00000-0  59744-3 0  9997
2 63991  97.4025 215.7604 0011695 252.0472 107.9490 15.23230651   891
Epoch: 2025-05-20T04:44Z
TLE epoch observation values (Epoch: 2025-05-20T04:44:14.696Z)
Latitude
-0.00005°
Longitude
-93.39994°
Altitude
501.685 km
Speed
7.612 km/s
True Right ascension
14h 23m 02s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at epoch
Visualization orbit readout
Latitude
27.76755°
Longitude
-96.97185°
Altitude
505.514 km
Speed
7.611 km/s
Apparent Right ascension
12h 09m 59s
Apparent Declination
-5° 30' 07"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time
21:37:47
Azimuth
304.993° NW
Elevation
-41.509°
Doppler factor
1
Orbital elements
Apogee altitude
501.101 km
Perigee altitude
485.029 km
Semi-major axis
6,871.202 km
Eccentricity
0.00117
Inclination
97.4025°
RAAN
215.7604°
Arg. of periapsis
252.0472°
True anomaly
Unknown
Mean anomaly
107.949°
Eccentric anomaly
Unknown
Mean motion
3.81061 °/min
Orbital period
94.47 mins
BSTAR
0.00059744
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OBJECT K 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 mins2025-05-20 17:54:33.278Z10.708° NNE2025-05-20 17:57:33.278Z347.255° N44.538°2025-05-20 18:00:33.278Z194.868° SSW
4 mins2025-05-21 04:32:33.278Z118.421° SE2025-05-21 04:34:33.278Z58.846° ENE27.974°2025-05-21 04:36:33.278Z15.781° NNE
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