SIRION PATHFINDER-2, 43759
Orbit data source: Space-Track
SIRION PATHFINDER-2, 43759 is an American payload satellite in SSO that was launched on Mon, 03 Dec 2018 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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43759 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Astro Digital
Mission
Operational Commercial Communications
Bus & Motor
CUBESAT 6U, Unknown motor
Mass
10 kg wet, 10 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 0.6 m
Radar Cross Section
0.143 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 SIRION PATHFINDER-2
1 43759U 18099B 26295.72037313 .00004271 00000-0 22914-3 0 9990
2 43759 97.4113 341.7202 0007779 207.5552 152.5269 15.15458739431938Epoch: 2026-10-22T17:17Z
TLE epoch observation values (Epoch: 2026-10-22T17:17:20.238Z)
Latitude
-0.00005°
Longitude
51.23466°
Altitude
527.433 km
Speed
7.597 km/s
True Right ascension
22h 46m 52s
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
15:42:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
521.922 km
Perigee altitude
511.195 km
Semi-major axis
6,894.695 km
Eccentricity
0.00078
Inclination
97.4113°
RAAN
341.7202°
Arg. of periapsis
207.5552°
True anomaly
152.56799°
Mean anomaly
152.5269°
Eccentric anomaly
152.54745°
Mean motion
3.79115 °/min
Orbital period
94.96 mins
BSTAR
0.00022914
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Other satellites on launch #99 in the year 2018 (2018-12-03 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.SIRION PATHFINDER-2 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-10-24 02:42:10.374Z | 133.25° SE | 2026-10-24 02:45:10.374Z | 68.938° E | 33.514° | 2026-10-24 02:48:10.374Z | 9.797° NNE |
| 6 mins | 2026-10-24 15:49:10.374Z | 26.384° NE | 2026-10-24 15:52:10.374Z | 128.531° SE | 51.159° | 2026-10-24 15:55:10.374Z | 177.819° S |
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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