STARLINK-1255, 45399

Orbit data source: Space-Track

STARLINK-1255, 45399 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 18 Mar 2020 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
45399, 2020-019AR
Orbit
LEO
Last TLE update
9 hours ago
Origin
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
260 kg wet, ~248 kg dry
Launch date (UTC)
2020-03-18 (5 years ago)
Launch vehicle
FALCON 9
Launch site
Air Force Eastern Test Range (AFETR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 1 Pan, 8.86 m
Radar Cross Section
13.562 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 9 hours ago
0 STARLINK-1255
1 45399U 20019AR  25182.69340465 -.00000170  00000-0  74535-5 0  9995
2 45399  53.0536 183.3865 0001142  76.7802 283.3314 15.06397516292129
Epoch: 2025-07-01T16:38Z
TLE epoch observation values (Epoch: 2025-07-01T16:38:30.161Z)
Latitude
-0.00006°
Longitude
13.77559°
Altitude
547.916 km
Speed
7.589 km/s
True Right ascension
12h 13m 32s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-11.94975°
Longitude
-158.76691°
Altitude
550.771 km
Speed
7.587 km/s
Apparent Right ascension
00h 54m 02s
Apparent Declination
-25° 14' 20"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
13:08:47
Azimuth
12.996° NNE
Elevation
-75.001°
Doppler factor
1
Orbital elements
Apogee altitude
548.281 km
Perigee altitude
546.699 km
Semi-major axis
6,925.627 km
Eccentricity
0.00011
Inclination
53.0536°
RAAN
183.3865°
Arg. of periapsis
76.7802°
True anomaly
Unknown
Mean anomaly
283.3314°
Eccentric anomaly
Unknown
Mean motion
3.76578 °/min
Orbital period
95.6 mins
BSTAR
0.0000074535
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STARLINK-1255 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.
7 mins2025-07-02 02:20:52.341Z204.606° SW2025-07-02 02:24:52.341Z118.598° SE33.961°2025-07-02 02:27:52.341Z64.693° ENE
5 mins2025-07-02 04:01:52.341Z280.326° WNW2025-07-02 04:03:52.341Z323.199° NNW27.251°2025-07-02 04:06:52.341Z27.451° NE
6 mins2025-07-02 09:03:52.341Z332.458° NNW2025-07-02 09:05:52.341Z30.017° NE35.836°2025-07-02 09:09:52.341Z108.423° ESE
4 mins2025-07-02 10:43:52.341Z261.783° W2025-07-02 10:44:52.341Z240.26° WSW22.773°2025-07-02 10:47:52.341Z181.633° SSW
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