FLOCK 4H 10, 66713
Orbit data source: Space-Track
FLOCK 4H 10, 66713 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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66713 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
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 FLOCK 4H 10
1 66713U 25276AZ 26144.77650014 .00004914 00000-0 23443-3 0 9999
2 66713 97.4194 218.6584 0006171 89.2132 270.9810 15.19518560 26863Epoch: 2026-05-24T18:38Z
TLE epoch observation values (Epoch: 2026-05-24T18:38:09.612Z)
Latitude
0.00001°
Longitude
56.74456°
Altitude
510.314 km
Speed
7.609 km/s
True Right ascension
14h 34m 38s
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
14:11:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
508.509 km
Perigee altitude
500.015 km
Semi-major axis
6,882.399 km
Eccentricity
0.00062
Inclination
97.4194°
RAAN
218.6584°
Arg. of periapsis
89.2132°
True anomaly
270.91029°
Mean anomaly
270.981°
Eccentric anomaly
270.94565°
Mean motion
3.80131 °/min
Orbital period
94.7 mins
BSTAR
0.00023443
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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 10 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 | 2026-05-25 05:50:02.541Z | 225.7° WSW | 2026-05-25 05:52:02.541Z | 263.176° W | 18° | 2026-05-25 05:54:02.541Z | 302.425° NW |
| 5 mins | 2026-05-25 17:21:02.541Z | 47.287° ENE | 2026-05-25 17:23:02.541Z | 111.345° ESE | 30.469° | 2026-05-25 17:26:02.541Z | 166.34° S |
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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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