FLOCK 4H 34, 66737
Orbit data source: Space-Track
FLOCK 4H 34, 66737 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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66737 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: 9 hours ago
TLE from 9 hours ago
0 FLOCK 4H 34
1 66737U 25276BZ 26095.44409534 .00007261 00000-0 34359-3 0 9999
2 66737 97.4266 170.4117 0002715 164.3967 195.7352 15.19653907 18633Epoch: 2026-04-05T10:39Z
TLE epoch observation values (Epoch: 2026-04-05T10:39:29.837Z)
Latitude
-0.00002°
Longitude
176.78795°
Altitude
511.775 km
Speed
7.607 km/s
True Right ascension
11h 21m 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
01:55:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
505.721 km
Perigee altitude
501.984 km
Semi-major axis
6,881.99 km
Eccentricity
0.00027
Inclination
97.4266°
RAAN
170.4117°
Arg. of periapsis
164.3967°
True anomaly
195.72677°
Mean anomaly
195.7352°
Eccentric anomaly
195.73098°
Mean motion
3.80165 °/min
Orbital period
94.7 mins
BSTAR
0.00034359
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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 34 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 | 2026-04-06 04:11:10.216Z | 117.841° SE | 2026-04-06 04:14:10.216Z | 60.285° ENE | 19.789° | 2026-04-06 04:16:10.216Z | 24.067° NE |
| 4 mins | 2026-04-06 05:46:10.216Z | 232.92° WSW | 2026-04-06 05:47:10.216Z | 254.948° W | 20.649° | 2026-04-06 05:50:10.216Z | 314.436° NW |
| 5 mins | 2026-04-06 17:16:10.216Z | 47.985° ENE | 2026-04-06 17:18:10.216Z | 99.629° ESE | 27.069° | 2026-04-06 17:21:10.216Z | 159.124° S |
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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