FLOCK 4H 19, 66722
Orbit data source: Space-Track
FLOCK 4H 19, 66722 is a payload satellite owned by Planet (US) in SSO that was launched on Fri, 28 Nov 2025 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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66722 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Planet
Mission
Operational Commercial Imaging
Bus & Motor
CUBESAT 3U, Unknown motor
Mass
5.7 kg wet, 5.7 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 1.0 m
Radar Cross Section
0.072 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 FLOCK 4H 19
1 66722U 25276BJ 26238.56191997 .00006079 00000-0 27173-3 0 9998
2 66722 97.4138 311.3455 0002967 73.3249 286.8313 15.21684871 40436Epoch: 2026-08-26T13:29Z
TLE epoch observation values (Epoch: 2026-08-26T13:29:09.885Z)
Latitude
0.00003°
Longitude
134.24117°
Altitude
503.26 km
Speed
7.613 km/s
True Right ascension
20h 45m 22s
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
15:14:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
499.762 km
Perigee altitude
495.682 km
Semi-major axis
6,875.859 km
Eccentricity
0.0003
Inclination
97.4138°
RAAN
311.3455°
Arg. of periapsis
73.3249°
True anomaly
286.79875°
Mean anomaly
286.8313°
Eccentric anomaly
286.81503°
Mean motion
3.80674 °/min
Orbital period
94.57 mins
BSTAR
0.00027173
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Other satellites on launch #276 in the year 2025 (2025-11-28 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.FLOCK 4H 19 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-08-27 05:24:16.548Z | 200.64° SSW | 2026-08-27 05:26:16.548Z | 254.347° W | 32.696° | 2026-08-27 05:29:16.548Z | 328.79° NNW |
| 4 mins | 2026-08-27 18:28:16.548Z | 327.916° NNW | 2026-08-27 18:30:16.548Z | 274.173° WNW | 24.141° | 2026-08-27 18:32:16.548Z | 235.522° WSW |
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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