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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Edit Public Description
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, 0.5 m
Radar Cross Section
0.348 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 23 hours ago
TLE from 23 hours ago
0 HAWK-3B
1 48931U 21059BE 25261.04141264 .00019086 00000-0 35456-3 0 9990
2 48931 97.6708 71.4294 0006947 238.1194 121.9380 15.48944665235450Epoch: 2025-09-18T00:59Z
TLE epoch observation values (Epoch: 2025-09-18T00:59:38.052Z)
Latitude
-0.00005°
Longitude
59.31215°
Altitude
425.435 km
Speed
7.655 km/s
True Right ascension
04h 45m 43s
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
17:16:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
421.471 km
Perigee altitude
412.031 km
Semi-major axis
6,794.888 km
Eccentricity
0.00069
Inclination
97.6708°
RAAN
71.4294°
Arg. of periapsis
238.1194°
True anomaly
122.00552°
Mean anomaly
121.938°
Eccentric anomaly
121.97177°
Mean motion
3.87498 °/min
Orbital period
92.9 mins
BSTAR
0.00035456
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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 | 2025-09-19 00:48:42.536Z | 344.627° N | 2025-09-19 00:50:42.536Z | 289.665° WNW | 28.569° | 2025-09-19 00:52:42.536Z | 231.168° WSW |
| 5 mins | 2025-09-19 11:14:42.536Z | 145.173° SSE | 2025-09-19 11:16:42.536Z | 80.575° E | 37.731° | 2025-09-19 11:19:42.536Z | 359.147° N |
| 4 mins | 2025-09-20 00:04:42.536Z | 33° NE | 2025-09-20 00:06:42.536Z | 104.882° ESE | 36.016° | 2025-09-20 00:08:42.536Z | 168.598° S |
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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