HAWK-3B, 48931
Orbit data source: Space-Track
HAWK-3B, 48931 is a payload satellite owned by HawkEye 360 (US) in SSO that was launched on Wed, 30 Jun 2021 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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48931 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
UTIAS-SFL
Mission
Operational Commercial Sigint
Bus & Motor
DEFIANT, Unknown motor
Mass
31 kg wet, 30 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 1.0 m
Radar Cross Section
0.348 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 15 hours ago
TLE from 15 hours ago
0 HAWK-3B
1 48931U 21059BE 26113.09716864 .00028631 00000-0 29126-3 0 9999
2 48931 97.6711 304.7800 0006041 162.7141 197.4324 15.65107084269221Epoch: 2026-04-23T02:19Z
TLE epoch observation values (Epoch: 2026-04-23T02:19:55.370Z)
Latitude
-0.00007°
Longitude
58.65016°
Altitude
379.966 km
Speed
7.68 km/s
True Right ascension
20h 19m 07s
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
00:04:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
373.925 km
Perigee altitude
365.772 km
Semi-major axis
6,747.986 km
Eccentricity
0.0006
Inclination
97.6711°
RAAN
304.78°
Arg. of periapsis
162.7141°
True anomaly
197.41168°
Mean anomaly
197.4324°
Eccentric anomaly
197.42204°
Mean motion
3.91545 °/min
Orbital period
91.94 mins
BSTAR
0.00029126
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Other satellites on launch #59 in the year 2021 (2021-06-30 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.HAWK-3B 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-04-24 01:54:11.570Z | 356.894° N | 2026-04-24 01:56:11.570Z | 301.846° NW | 35.619° | 2026-04-24 01:58:11.570Z | 217.387° SW |
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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