CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2025-1512
FLOCK 4Y 18
FLOCK 4Y 18 (NORAD 55023) re-entered Earth’s atmosphere on 22 September 2025, after 2 years, 8 months in orbit.
Official date
NORAD number
55023
International designator
2023-001Q
Object type
Spacecraft
Country
United States
Launched
3 Jan 2023Cape Canaveral
Re-entered (UTC)
22 Sep 2025UTC calendar day
Time in orbit
2 years, 8 months993 days
How it ended
Re-entered (natural decay)
Latitude range
82.7°N to 82.7°SFinal inclination 97.3°
Mass
6 kg
Operator
Built by
Planet Labs
Bus
Cubesat 3U
Programme
Flock-4
Where it came down
Latitude band its orbit allowedExact position not recorded
No position was recorded for this re-entry. Its final orbit, inclined at 97.3°, allowed a re-entry anywhere between 82.7°N and 82.7°S.
Life in orbit
2 years, 8 monthsFLOCK 4Y 18’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 22 Sep 2025
3 entriesFrom the same launch
2023-0012023-0873FUTURA-SM32023-0999FUTURA-SM12024-0750LEMUR 2 EMMACULATE2024-0997NSL-22024-1091LEMUR 2 DISCLAIMER2024-1123LEMUR 2 FUENTETAJA-012024-1179LEMUR 2 PHILARI2024-1340SPACEBEE-1632024-1351SPACEBEE-1572024-1368UMBRA-042024-1381SPACEBEE-1592024-1386SPACEBEE-166In orbitSTAR VIBEIn orbitLynk Tower 4In orbitSkykraft 1 CarrierIn orbitNuSat-34In orbitLynk Tower 3In orbitNuSat-33
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2025-1512
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2025-1512
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.