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: 18 hours ago
TLE from 18 hours ago
0 HAWK-3B
1 48931U 21059BE 26140.50590240 .00032128 00000-0 30106-3 0 9999
2 48931 97.6681 334.6465 0005694 79.5672 280.6230 15.67148377273513Epoch: 2026-05-20T12:08Z
TLE epoch observation values (Epoch: 2026-05-20T12:08:29.967Z)
Latitude
0.00006°
Longitude
-85.64286°
Altitude
369.507 km
Speed
7.688 km/s
True Right ascension
22h 18m 35s
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
15:22:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
367.821 km
Perigee altitude
360.143 km
Semi-major axis
6,742.119 km
Eccentricity
0.00057
Inclination
97.6681°
RAAN
334.6465°
Arg. of periapsis
79.5672°
True anomaly
280.55886°
Mean anomaly
280.623°
Eccentric anomaly
280.59093°
Mean motion
3.92056 °/min
Orbital period
91.82 mins
BSTAR
0.00030106
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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 | 2026-05-21 12:48:10.512Z | 149.462° SSE | 2026-05-21 12:50:10.512Z | 59.069° ENE | 39.234° | 2026-05-21 12:52:10.512Z | 359.424° N |
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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