FLOCK 4X 25, 51016 (Decayed)
Orbit data source: Space-Track
FLOCK 4X 25, 51016 was a payload satellite owned by Planet (US) in LEO that was launched on Thu, 13 Jan 2022 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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Edit Public Description
Identifier
Orbit
Last TLE update
11 months ago
Origin
Manufacturer
Planet
Mission
Decayed 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, 0.1 m
Radar Cross Section
0.108 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & history
TLE from 11 months ago
0 FLOCK 4X 25
1 51016U 22002AJ 24233.77650644 .19238657 25325-5 41251-3 0 9991
2 51016 97.3433 314.3884 0012232 277.8193 82.1721 16.45876102145238Epoch: 2024-08-20T18:38Z
TLE epoch observation values (Epoch: 2024-08-20T18:38:10.156Z)
Latitude
-0.00001°
Longitude
65.2579°
Altitude
152.4 km
Speed
7.815 km/s
True Right ascension
20h 57m 33s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
No trajectory is available.
Visualization observer readout
No trajectory is available.
Orbital elements
Apogee altitude
154.997 km
Perigee altitude
139.034 km
Semi-major axis
6,525.152 km
Eccentricity
0.00122
Inclination
97.3433°
RAAN
314.3884°
Arg. of periapsis
277.8193°
True anomaly
82.31099°
Mean anomaly
82.1721°
Eccentric anomaly
82.24154°
Mean motion
4.11772 °/min
Orbital period
87.43 mins
BSTAR
0.00041251
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Other satellites on launch #2 in the year 2022 (2022-01-13 UTC)
FLOCK 4X 25 Visibility forecast
Observer location: undefined°, undefined°
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 | 2025-07-18 17:09:11.128Z | 11.771° NNE | 2025-07-18 17:11:11.128Z | 118.732° SE | 44.383° | 2025-07-18 17:13:11.128Z | 177.912° 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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