OBJECT B, 61618

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, 61618 is a satellite in LEO that was launched on Wed, 23 Oct 2024 UTC via a CHANG ZHENG 2C 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
61618, 2024-190B
Orbit
LEO
Last TLE update
5 hours ago
Origin
Manufacturer
SAST
Mission
Defense Communications
Bus & Motor
Unknown
Mass
~300 kg wet, ~300 kg dry
Launch date (UTC)
2024-10-23 (7 months ago)
Launch vehicle
CHANG ZHENG 2C
Launch site
Xichang Space Center, China (XSC)
Object type
Unknown
Shape & HBR
Box + 2 Pan, 5 m
Radar Cross Section
11.063 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 5 hours ago
0 OBJECT B
1 61618U 24190B   25151.86930927  .00008810  00000-0  36769-3 0  9997
2 61618  34.9882  76.0354 0004707 187.8877 172.1764 15.22910247 33699
Epoch: 2025-05-31T20:51Z
TLE epoch observation values (Epoch: 2025-05-31T20:51:48.32Z)
Latitude
-0.00003°
Longitude
-126.51948°
Altitude
499.179 km
Speed
7.615 km/s
True Right ascension
05h 04m 08s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-2.05184°
Longitude
-130.67008°
Altitude
499.402 km
Speed
7.615 km/s
Apparent Right ascension
02h 34m 19s
Apparent Declination
-25° 56' 59"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
11:12:47
Azimuth
272.667° WNW
Elevation
-46.097°
Doppler factor
1
Orbital elements
Apogee altitude
503.557 km
Perigee altitude
497.082 km
Semi-major axis
6,878.457 km
Eccentricity
0.00047
Inclination
34.9882°
RAAN
76.0354°
Arg. of periapsis
187.8877°
True anomaly
Unknown
Mean anomaly
172.1764°
Eccentric anomaly
Unknown
Mean motion
3.80458 °/min
Orbital period
94.62 mins
BSTAR
0.00036769
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Other satellites on launch #190 in the year 2024 (2024-10-23 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 mins2025-06-01 01:58:04.259Z246.612° WSW2025-06-01 02:01:04.259Z169.844° S29.971°2025-06-01 02:04:04.259Z119.252° SE
5 mins2025-06-01 23:55:04.259Z227.697° WSW2025-06-01 23:57:04.259Z183.112° SSW29.178°2025-06-02 00:00:04.259Z111.678° ESE
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