FLOCK 4H 27, 66730
Orbit data source: Space-Track
FLOCK 4H 27, 66730 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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66730 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Planet
Mission
Partially 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: 12 hours ago
TLE from 12 hours ago
0 FLOCK 4H 27
1 66730U 25276BS 26238.19757484 .00005826 00000-0 26409-3 0 9995
2 66730 97.4128 310.7251 0002400 91.8149 268.3361 15.21220758 41076Epoch: 2026-08-26T04:44Z
TLE epoch observation values (Epoch: 2026-08-26T04:44:30.466Z)
Latitude
-0.00007°
Longitude
-94.85586°
Altitude
505.297 km
Speed
7.611 km/s
True Right ascension
20h 42m 54s
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
08:21:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
500.772 km
Perigee altitude
497.471 km
Semi-major axis
6,877.259 km
Eccentricity
0.00024
Inclination
97.4128°
RAAN
310.7251°
Arg. of periapsis
91.8149°
True anomaly
268.30861°
Mean anomaly
268.3361°
Eccentric anomaly
268.32235°
Mean motion
3.80557 °/min
Orbital period
94.6 mins
BSTAR
0.00026409
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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 27 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-08-26 17:55:56.170Z | 5.468° NNE | 2026-08-26 17:58:56.170Z | 277.064° WNW | 43.032° | 2026-08-26 18:01:56.170Z | 201.889° SSW |
| 5 mins | 2026-08-27 04:33:56.170Z | 135.74° SSE | 2026-08-27 04:35:56.170Z | 86.274° E | 32.906° | 2026-08-27 04:38:56.170Z | 7.368° NNE |
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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