FLOCK 4Q 21, 58329
Orbit data source: Space-Track
FLOCK 4Q 21, 58329 is a payload satellite owned by Planet (US) in SSO that was launched on Sat, 11 Nov 2023 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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58329 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Planet
Mission
Non-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: 5 hours ago
TLE from 5 hours ago
0 FLOCK 4Q 21
1 58329U 23174CB 26126.82923898 .00140262 00000-0 10731-2 0 9999
2 58329 97.3872 220.8155 0007573 264.1100 95.9300 15.71687250139577Epoch: 2026-05-06T19:54Z
TLE epoch observation values (Epoch: 2026-05-06T19:54:06.247Z)
Latitude
-0.00004°
Longitude
57.60536°
Altitude
357.766 km
Speed
7.694 km/s
True Right ascension
14h 43m 15s
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
09:19:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
356.067 km
Perigee altitude
345.875 km
Semi-major axis
6,729.108 km
Eccentricity
0.00076
Inclination
97.3872°
RAAN
220.8155°
Arg. of periapsis
264.11°
True anomaly
96.01631°
Mean anomaly
95.93°
Eccentric anomaly
95.97315°
Mean motion
3.93194 °/min
Orbital period
91.56 mins
BSTAR
0.0010731
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Other satellites on launch #174 in the year 2023 (2023-11-11 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 4Q 21 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 | 2026-05-07 06:44:05.563Z | 205.925° SW | 2026-05-07 06:46:05.563Z | 271.794° WNW | 26.481° | 2026-05-07 06:48:05.563Z | 323.17° NNW |
| 4 mins | 2026-05-07 19:23:05.563Z | 350.475° N | 2026-05-07 19:25:05.563Z | 251.269° W | 33.75° | 2026-05-07 19:27:05.563Z | 210.59° SW |
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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