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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Edit Public Description
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, 0.7 m
Radar Cross Section
0.143 m², Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 SIRION PATHFINDER-2
1 43759U 18099B 25286.18399994 .00008720 00000-0 52048-3 0 9999
2 43759 97.4630 336.1036 0010973 77.0854 283.1601 15.11310447375274Epoch: 2025-10-13T04:24Z
TLE epoch observation values (Epoch: 2025-10-13T04:24:57.594Z)
Latitude
-0.00006°
Longitude
-112.12679°
Altitude
533.561 km
Speed
7.597 km/s
True Right ascension
22h 24m 24s
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
09:29:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
536.762 km
Perigee altitude
521.603 km
Semi-major axis
6,907.319 km
Eccentricity
0.0011
Inclination
97.463°
RAAN
336.1036°
Arg. of periapsis
77.0854°
True anomaly
283.03762°
Mean anomaly
283.1601°
Eccentric anomaly
283.09887°
Mean motion
3.78076 °/min
Orbital period
95.22 mins
BSTAR
0.00052048
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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 | 2025-10-13 16:06:14.583Z | 21.24° NNE | 2025-10-13 16:09:14.583Z | 88.601° E | 41.054° | 2025-10-13 16:12:14.583Z | 178.777° S |
| 4 mins | 2025-10-14 02:49:14.583Z | 111.223° ESE | 2025-10-14 02:51:14.583Z | 62.128° ENE | 24.102° | 2025-10-14 02:53:14.583Z | 21.667° NNE |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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