SEAHAWK-1, 43820
Orbit data source: Space-Track
SEAHAWK-1, 43820 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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43820 intel report (Beta)
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Expand to show TLE details & historyLast TLE update: 23 hours ago
TLE from 23 hours ago
0 SEAHAWK-1
1 43820U 18099BQ 26235.59827143 .00007282 00000-0 30506-3 0 9997
2 43820 97.3908 287.0810 0009757 77.0557 283.1769 15.23787268422799Epoch: 2026-08-23T14:21Z
TLE epoch observation values (Epoch: 2026-08-23T14:21:30.651Z)
Latitude
-0.00006°
Longitude
99.81127°
Altitude
496.003 km
Speed
7.618 km/s
True Right ascension
19h 08m 19s
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
04:19:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
498.092 km
Perigee altitude
484.687 km
Semi-major axis
6,869.527 km
Eccentricity
0.00098
Inclination
97.3908°
RAAN
287.081°
Arg. of periapsis
77.0557°
True anomaly
283.06801°
Mean anomaly
283.1769°
Eccentric anomaly
283.12246°
Mean motion
3.812 °/min
Orbital period
94.44 mins
BSTAR
0.00030506
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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.SEAHAWK-1 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 | 2026-08-24 16:07:50.099Z | 21.473° NNE | 2026-08-24 16:10:50.099Z | 70.896° E | 37.949° | 2026-08-24 16:13:50.099Z | 174.846° S |
| 4 mins | 2026-08-25 04:19:50.099Z | 233.258° WSW | 2026-08-25 04:20:50.099Z | 255.853° W | 20.325° | 2026-08-25 04:23:50.099Z | 315.406° NNW |
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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