STARLINK-40099, 100858
Orbit data source: Space-Track
STARLINK-40099, 100858 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Mon, 28 Sep 2026 UTC launched from the (BOCA). 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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100858 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational spacecraft
Bus & Motor
STARLINK V3, Unknown motor
Mass
2,000 kg wet, ~2,000 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Unknown
Object type
Shape & HBR
BOX, 4.1 m
Radar Cross Section
RCS unknown
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 STARLINK-40099
1 A0858U 26225D 26275.58335648 -.01347574 55151-3 -25169-2 0 9990
2 A0858 30.4914 309.2982 0000255 66.6819 33.6696 15.99946474 1827Epoch: 2026-10-02T14:00Z
TLE epoch observation values (Epoch: 2026-10-02T14:00:01.999Z)
Latitude
30.08399°
Longitude
-170.03297°
Altitude
273.615 km
Speed
7.749 km/s
True Right ascension
03h 25m 06s
True Declination
29° 55' 27"
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
16:34:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
278.806 km
Perigee altitude
278.467 km
Semi-major axis
6,656.773 km
Eccentricity
0.00003
Inclination
30.4914°
RAAN
309.2982°
Arg. of periapsis
66.6819°
True anomaly
33.67122°
Mean anomaly
33.6696°
Eccentric anomaly
33.67041°
Mean motion
3.9962 °/min
Orbital period
90.09 mins
BSTAR
-0.0025169
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Other satellites on launch #225 in the year 2026 (2026-09-28 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-40099 Visibility
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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. |
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| STARLINK-40099 is likely not visible in the next few days. |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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