FLOCK 4H 13, 66716
Orbit data source: Space-Track
FLOCK 4H 13, 66716 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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66716 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: 13 hours ago
TLE from 13 hours ago
0 FLOCK 4H 13
1 66716U 25276BC 26141.18240552 .00003252 00000-0 15265-3 0 9993
2 66716 97.4223 215.4362 0002471 74.7097 285.4411 15.20347521 26335Epoch: 2026-05-21T04:22Z
TLE epoch observation values (Epoch: 2026-05-21T04:22:39.836Z)
Latitude
-0.00008°
Longitude
-89.06105°
Altitude
507.429 km
Speed
7.611 km/s
True Right ascension
14h 21m 44s
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
02:44:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
503.458 km
Perigee altitude
500.058 km
Semi-major axis
6,879.895 km
Eccentricity
0.00025
Inclination
97.4223°
RAAN
215.4362°
Arg. of periapsis
74.7097°
True anomaly
285.4138°
Mean anomaly
285.4411°
Eccentric anomaly
285.42745°
Mean motion
3.80339 °/min
Orbital period
94.65 mins
BSTAR
0.00015265
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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 13 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 | 2026-05-22 04:12:52.256Z | 119.837° SE | 2026-05-22 04:15:52.256Z | 61.368° ENE | 20.581° | 2026-05-22 04:17:52.256Z | 23.779° NE |
| 4 mins | 2026-05-22 05:47:52.256Z | 233.726° WSW | 2026-05-22 05:48:52.256Z | 254.933° W | 19.529° | 2026-05-22 05:51:52.256Z | 313.25° NW |
| 4 mins | 2026-05-22 17:17:52.256Z | 51.563° ENE | 2026-05-22 17:19:52.256Z | 110.194° ESE | 27.573° | 2026-05-22 17:21:52.256Z | 153.747° SSE |
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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