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 26235.36161355 .00003877 00000-0 21069-3 0 9999
2 43759 97.4207 282.8253 0010245 71.4638 288.7707 15.15040176422793Epoch: 2026-08-23T08:40Z
TLE epoch observation values (Epoch: 2026-08-23T08:40:43.410Z)
Latitude
-0°
Longitude
-179.01434°
Altitude
521.671 km
Speed
7.604 km/s
True Right ascension
18h 51m 18s
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
00:47:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
524.895 km
Perigee altitude
510.765 km
Semi-major axis
6,895.967 km
Eccentricity
0.00102
Inclination
97.4207°
RAAN
282.8253°
Arg. of periapsis
71.4638°
True anomaly
288.6595°
Mean anomaly
288.7707°
Eccentric anomaly
288.7151°
Mean motion
3.7901 °/min
Orbital period
94.98 mins
BSTAR
0.00021069
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-08-24 15:22:11.074Z | 44.105° NE | 2026-08-24 15:25:11.074Z | 101.976° ESE | 21.347° | 2026-08-24 15:27:11.074Z | 141.004° SSE |
| 4 mins | 2026-08-24 16:57:11.074Z | 327.494° NNW | 2026-08-24 16:59:11.074Z | 285.389° WNW | 20.109° | 2026-08-24 17:01:11.074Z | 247.463° WSW |
| 5 mins | 2026-08-25 03:37:11.074Z | 197.04° SSW | 2026-08-25 03:39:11.074Z | 269.639° W | 36.989° | 2026-08-25 03:42:11.074Z | 334.614° NNW |
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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