STARLINK-31440, 58999
Orbit data source: Space-Track
STARLINK-31440, 58999 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 23 Feb 2024 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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58999 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK V2M, Unknown motor
Mass
730 kg wet, ~700 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 17.7 m
Radar Cross Section
33.884 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 STARLINK-31440
1 58999U 24036B 26171.40821471 -.00009735 00000-0 -31712-3 0 9992
2 58999 53.1609 320.7476 0001066 99.8606 260.2515 15.30185789130244Epoch: 2026-06-20T09:47Z
TLE epoch observation values (Epoch: 2026-06-20T09:47:49.750Z)
Latitude
-0.00006°
Longitude
-94.833°
Altitude
476.281 km
Speed
7.629 km/s
True Right ascension
21h 22m 59s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
21:33:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.244 km
Perigee altitude
474.783 km
Semi-major axis
6,853.651 km
Eccentricity
0.00011
Inclination
53.1609°
RAAN
320.7476°
Arg. of periapsis
99.8606°
True anomaly
260.23946°
Mean anomaly
260.2515°
Eccentric anomaly
260.24548°
Mean motion
3.82525 °/min
Orbital period
94.11 mins
BSTAR
-0.00031712
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Other satellites on launch #36 in the year 2024 (2024-02-23 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.STARLINK-31440 Visibility forecast
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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 mins | 2026-06-22 12:07:37.160Z | 225.414° WSW | 2026-06-22 12:11:37.160Z | 74.561° E | 43.209° | 2026-06-22 12:14:37.160Z | 52.051° ENE |
| 4 mins | 2026-06-22 17:05:37.160Z | 340.671° N | 2026-06-22 17:07:37.160Z | 14.433° NNE | 15.347° | 2026-06-22 17:09:37.160Z | 51.231° ENE |
| 5 mins | 2026-06-22 18:44:37.160Z | 322.592° NNW | 2026-06-22 18:46:37.160Z | 69.559° E | 41.813° | 2026-06-22 18:49:37.160Z | 120.83° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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