CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2023-1989
FLOCK 4EP 1
FLOCK 4EP 1 (NORAD 46813) re-entered Earth’s atmosphere on 8 December 2023, after 3 years, 1 month in orbit.
Official date
NORAD number
46813
International designator
2020-077A
Object type
Spacecraft
Country
United States
Launched
28 Oct 2020Rocket Lab Launch Complex
Re-entered (UTC)
8 Dec 2023UTC calendar day
Time in orbit
3 years, 1 month1,136 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
3 years, 1 monthFLOCK 4EP 1’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 8 Dec 2023
14 entriesFrom the same launch
2020-077
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2023-1989
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2023-1989
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.