FLOCK 4H 20, 66723
Orbit data source: Space-Track
FLOCK 4H 20, 66723 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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66723 intel report (Beta)
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Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 FLOCK 4H 20
1 66723U 25276BK 26238.16417124 .00006150 00000-0 27306-3 0 9996
2 66723 97.4177 311.0927 0004031 74.6977 285.4705 15.21904923 40339TLE epoch observation values (Epoch: 2026-08-26T03:56:24.395Z)
Visualization orbit readout
Visualization observer readout
Orbital elements
Other satellites on launch #276 in the year 2025 (2025-11-28 UTC)
FLOCK 4H 20 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 | 2026-08-27 18:23:27.548Z | 330.399° NNW | 2026-08-27 18:24:27.548Z | 304.23° NW | 27.074° | 2026-08-27 18:27:27.548Z | 230.128° WSW |
| 6 mins | 2026-08-28 04:59:27.548Z | 166.844° S | 2026-08-28 05:02:27.548Z | 348.851° N | 42.539° | 2026-08-28 05:05:27.548Z | 348.24° 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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