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: 16 hours ago
TLE from 16 hours ago
0 SIRION PATHFINDER-2
1 43759U 18099B 26034.40038580 .00006309 00000-0 35957-3 0 9998
2 43759 97.4458 86.6326 0010160 50.3006 309.9119 15.13094988392385Epoch: 2026-02-03T09:36Z
TLE epoch observation values (Epoch: 2026-02-03T09:36:33.333Z)
Latitude
-0.00005°
Longitude
168.91186°
Altitude
525.35 km
Speed
7.603 km/s
True Right ascension
05h 46m 31s
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
03:54:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
530.757 km
Perigee altitude
516.733 km
Semi-major axis
6,901.882 km
Eccentricity
0.00102
Inclination
97.4458°
RAAN
86.6326°
Arg. of periapsis
50.3006°
True anomaly
309.82253°
Mean anomaly
309.9119°
Eccentric anomaly
309.86722°
Mean motion
3.78523 °/min
Orbital period
95.11 mins
BSTAR
0.00035957
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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 | 2026-02-04 03:12:05.350Z | 152.304° SSE | 2026-02-04 03:15:05.350Z | 54.11° ENE | 40.549° | 2026-02-04 03:18:05.350Z | 356.76° N |
| 6 mins | 2026-02-04 16:20:05.350Z | 7.538° NNE | 2026-02-04 16:23:05.350Z | 226.82° WSW | 42.909° | 2026-02-04 16:26:05.350Z | 198.002° SSW |
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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