STARLINK-5691, 55478

Orbit data source: Space-Track

STARLINK-5691, 55478 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 02 Feb 2023 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
55478, 2023-015AF
Orbit
LEO
Last TLE update
7 hours ago
Origin
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
305 kg wet, ~290 kg dry
Launch date (UTC)
2023-02-02 (2 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 7 hours ago
0 STARLINK-5691
1 55478U 23015AF  25195.60308724  .00003636  00000-0  28436-3 0  9996
2 55478  43.0024 167.1878 0002262 255.8139 104.2452 15.02503979135083
Epoch: 2025-07-14T14:28Z
TLE epoch observation values (Epoch: 2025-07-14T14:28:26.737Z)
Latitude
-0.00003°
Longitude
17.36678°
Altitude
559.343 km
Speed
7.583 km/s
True Right ascension
11h 08m 45s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-34.74235°
Longitude
-116.6193°
Altitude
567.621 km
Speed
7.579 km/s
Apparent Right ascension
00h 28m 47s
Apparent Declination
-40° 35' 53"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
10:25:46
Azimuth
258.298° W
Elevation
-66.64°
Doppler factor
1
Orbital elements
Apogee altitude
562.671 km
Perigee altitude
559.532 km
Semi-major axis
6,939.239 km
Eccentricity
0.00023
Inclination
43.0024°
RAAN
167.1878°
Arg. of periapsis
255.8139°
True anomaly
Unknown
Mean anomaly
104.2452°
Eccentric anomaly
Unknown
Mean motion
3.7547 °/min
Orbital period
95.88 mins
BSTAR
0.00028436
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STARLINK-5691 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 mins2025-07-15 01:52:11.243Z226.573° WSW2025-07-15 01:55:11.243Z143.379° SSE39.263°2025-07-15 01:58:11.243Z79.73° E
6 mins2025-07-15 03:33:11.243Z276.049° WNW2025-07-15 03:36:11.243Z25.148° NE39.893°2025-07-15 03:39:11.243Z70.731° E
6 mins2025-07-15 05:14:11.243Z293.681° NW2025-07-15 05:17:11.243Z47.165° ENE40.081°2025-07-15 05:20:11.243Z89.929° E
6 mins2025-07-15 06:55:11.243Z272.021° WNW2025-07-15 06:57:11.243Z216.798° SW37.866°2025-07-15 07:01:11.243Z131.828° SE
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