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FLOCK 4H 21, 66724

Orbit data source: Space-Track

FLOCK 4H 21, 66724 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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Identifier
66724, 2025-276BL
Orbit
SSO
Country
Flag of USUS
Related 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)
2025-11-28 (9 months ago)
Launch vehicle
FALCON 9
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
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 & history
Last TLE update: 1 day ago

TLE from 1 day ago
0 FLOCK 4H 21
1 66724U 25276BL  26238.20668082  .00005817  00000-0  26148-3 0  9995
2 66724  97.4143 310.9142 0003933  77.3495 282.8181 15.21507289 40338
Epoch: 2026-08-26T04:57Z
TLE epoch observation values (Epoch: 2026-08-26T04:57:37.222Z)
Latitude
Longitude
-97.95389°
Altitude
503.786 km
Speed
7.613 km/s
True Right ascension
20h 43m 39s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at epoch
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
N/A
Visualization observer readout
Local Sidereal Time
22:33:11
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
500.962 km
Perigee altitude
495.553 km
Semi-major axis
6,876.395 km
Eccentricity
0.00039
Inclination
97.4143°
RAAN
310.9142°
Arg. of periapsis
77.3495°
True anomaly
282.77415°
Mean anomaly
282.8181°
Eccentric anomaly
282.79613°
Mean motion
3.80629 °/min
Orbital period
94.58 mins
BSTAR
0.00026148
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