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.
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
43820 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 SEAHAWK-1
1 43820U 18099BQ 25286.25799040 .00014581 00000-0 73152-3 0 9993
2 43820 97.4350 337.8628 0010950 93.8842 266.3643 15.17371783375012
Epoch: 2025-10-13T06:11Z
TLE epoch observation values (Epoch: 2025-10-13T06:11:30.370Z)
Latitude
-0.0001°
Longitude
-137.07709°
Altitude
517.36 km
Speed
7.605 km/s
True Right ascension
22h 31m 27s
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
09:29:11
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
518.301 km
Perigee altitude
503.215 km
Semi-major axis
6,888.895 km
Eccentricity
0.0011
Inclination
97.435°
RAAN
337.8628°
Arg. of periapsis
93.8842°
True anomaly
266.23909°
Mean anomaly
266.3643°
Eccentric anomaly
266.30169°
Mean motion
3.79594 °/min
Orbital period
94.84 mins
BSTAR
0.00073152
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #99 in the year 2018 (2018-12-03 UTC)
Did you know?
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
Loading observer location...
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 16:14:57.921Z | 19.537° NNE | 2025-10-13 16:17:57.921Z | 82.858° E | 41.808° | 2025-10-13 16:20:57.921Z | 180.957° SSW |
4 mins | 2025-10-14 02:55:57.921Z | 101.488° ESE | 2025-10-14 02:56:57.921Z | 76.376° E | 23.33° | 2025-10-14 02:59:57.921Z | 16.498° 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 |
---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in ascending order |
---|