FLOCK 4H 1, 66704
Orbit data source: Space-Track
FLOCK 4H 1, 66704 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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66704 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: 9 hours ago
TLE from 9 hours ago
0 FLOCK 4H 1
1 66704U 25276AQ 26192.72461284 .00003675 00000-0 16971-3 0 9997
2 66704 97.4174 266.0249 0001660 183.9350 176.1873 15.20825242 34166Epoch: 2026-07-11T17:23Z
TLE epoch observation values (Epoch: 2026-07-11T17:23:26.549Z)
Latitude
0.00001°
Longitude
75.53056°
Altitude
507.581 km
Speed
7.61 km/s
True Right ascension
17h 44m 05s
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
14:31:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
501.457 km
Perigee altitude
499.173 km
Semi-major axis
6,878.452 km
Eccentricity
0.00017
Inclination
97.4174°
RAAN
266.0249°
Arg. of periapsis
183.935°
True anomaly
176.18856°
Mean anomaly
176.1873°
Eccentric anomaly
176.18793°
Mean motion
3.80458 °/min
Orbital period
94.62 mins
BSTAR
0.00016971
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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 1 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 | 2026-07-12 04:34:46.655Z | 140.957° SSE | 2026-07-12 04:37:46.655Z | 62.16° ENE | 33.656° | 2026-07-12 04:40:46.655Z | 3.555° NNE |
| 5 mins | 2026-07-12 17:39:46.655Z | 26.313° NE | 2026-07-12 17:41:46.655Z | 135.118° SSE | 41.52° | 2026-07-12 17:44:46.655Z | 183.536° SSW |
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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