OBJECT A, 63157

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 A, 63157 is a satellite owned by PLA SSF (CN) in HEO that was launched on Sun, 09 Mar 2025 UTC via a CHANG ZHENG 3B launch vehicle from the Xichang Space Center, China (XSC). 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	63157, 2025-045A
Orbit	HEO
Last TLE update	6 days ago
Origin	PLA SSF (CN / PRC)
Manufacturer	SISE
Mission	Operational spacecraft
Bus & Motor	FY-4?, LAE
Mass	~5,000 kg wet, ~2,500 kg dry
Launch date (UTC)	2025-03-09 (1 week ago)
Launch vehicle	CHANG ZHENG 3B
Launch site	Xichang Space Center, China (XSC)
Object type	Unknown
Shape & HBR	Unknown
Radar Cross Section	Large (>1 m²)

Expand to show TLE details & history

TLE from 6 days ago

0 OBJECT A
1 63157U 25045A   25069.35219743  .00000545 -65692-6  00000+0 0  9992
2 63157  19.0062  64.6364 7327661 179.7218 141.4162  2.26206155    28

Epoch: 2025-03-10T08:27Z

Definitive object data (Epoch: 2025-03-10T08:27:09.857Z)

Latitude	-3.0106°
Longitude	120.79893°
Altitude	34,707.829 km
Speed	1.773 km/s
True Right ascension	03h 43m 26s
True Declination	-3° 00' 27"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	10.48717°
Longitude	-85.30606°
Altitude	840.696 km
Speed	9.704 km/s
Apparent Right ascension	13h 09m 07s
Apparent Declination	-13° 25' 23"
Sunlit	Object is in full shadow

Visualization observer readout

Local Sidereal Time	23:56:09
Azimuth	323.714° NNW
Elevation	-59.036°
Doppler factor	1

Orbital elements

Apogee altitude	36,105.732 km
Perigee altitude	173.89 km
Semi-major axis	24,517.948 km
Eccentricity	0.7327661
Inclination	19.0062°
RAAN	64.6364°
Arg. of periapsis	179.7218°
True anomaly	171.06263°
Mean anomaly	141.4162°
Eccentric anomaly	157.48982°
Mean motion	0.56535 °/min
BSTAR	Unknown
Orbital period	636.77 mins

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Other satellites on launch #45 in the year 2025 (2025-03-09 UTC)

OBJECT B, 63158

OBJECT A 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.
576 mins	2025-03-16 20:11:06.232Z	191.231° SSW	2025-03-17 05:29:06.232Z	200.156° SSW	37.489°	2025-03-17 05:47:06.232Z	129.73° SE
68 mins	2025-03-17 18:10:06.232Z	130.705° SE	2025-03-17 19:18:06.232Z	127.583° SE	17.773°	2025-03-17 19:18:06.232Z	127.583° SE

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Check out OBJECT A, 63157 on other resources

View OBJECT A, 63157 on Heavens-Above

View OBJECT A, 63157 on Keep Track

View OBJECT A, 63157 on Celestrak

View OBJECT A, 63157 on Gunter's Space Page

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