STARLINK-33999, 63857

Orbit data source: Space-Track

STARLINK-33999, 63857 is a payload satellite in LEO that was launched on Wed, 07 May 2025 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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Identifier
63857, 2025-093X
Orbit
LEO
Last TLE update
6 hours ago
Origin
Manufacturer
SpaceX/Seattle
Mission
Operational spacecraft
Bus & Motor
STARLINK V2MO, Unknown motor
Mass
575 kg wet, ~530 kg dry
Launch date (UTC)
2025-05-07 (4 weeks ago)
Launch vehicle
FALCON 9
Launch site
Air Force Eastern Test Range (AFETR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)

Expand to show TLE details & history

TLE from 6 hours ago
0 STARLINK-33999
1 63857U 25093X   25152.54335712  .00002260  00000-0  44331-4 0  9992
2 63857  42.9973 227.4490 0001347 267.4215  92.6491 15.50582934  4956
Epoch: 2025-06-01T13:02Z
TLE epoch observation values (Epoch: 2025-06-01T13:02:26.055Z)
Latitude
Longitude
141.57256°
Altitude
414.838 km
Speed
7.664 km/s
True Right ascension
15h 09m 47s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at epoch
Visualization orbit readout
Latitude
-38.06417°
Longitude
83.49904°
Altitude
425.436 km
Speed
7.657 km/s
Apparent Right ascension
13h 49m 14s
Apparent Declination
-46° 23' 35"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time
04:38:27
Azimuth
116.163° SE
Elevation
-58.855°
Doppler factor
1
Orbital elements
Apogee altitude
417.903 km
Perigee altitude
416.073 km
Semi-major axis
6,795.125 km
Eccentricity
0.00013
Inclination
42.9973°
RAAN
227.449°
Arg. of periapsis
267.4215°
True anomaly
Unknown
Mean anomaly
92.6491°
Eccentric anomaly
Unknown
Mean motion
3.87478 °/min
Orbital period
92.91 mins
BSTAR
0.000044331
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STARLINK-33999 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.
5 mins2025-06-02 07:46:53.514Z198.753° SSW2025-06-02 07:49:53.514Z134.159° SE20.115°2025-06-02 07:51:53.514Z96.063° ESE
5 mins2025-06-02 09:24:53.514Z255.583° W2025-06-02 09:26:53.514Z53.41° ENE43.543°2025-06-02 09:29:53.514Z71.32° E
4 mins2025-06-02 11:02:53.514Z302.68° NW2025-06-02 11:03:53.514Z339.624° N35.424°2025-06-02 11:06:53.514Z73.018° E
5 mins2025-06-02 12:39:53.514Z290.115° WNW2025-06-02 12:41:53.514Z55.733° ENE44.754°2025-06-02 12:44:53.514Z106.248° ESE
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