CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2023-0535
FLOCK 4A 19
FLOCK 4A 19 (NORAD 44090) re-entered Earth’s atmosphere on 15 March 2023, after 3 years, 11 months in orbit.
Official date
NORAD number
44090
International designator
2019-018N
Object type
Spacecraft
Country
United States
Launched
1 Apr 2019Sriharikota
Re-entered (UTC)
15 Mar 2023UTC calendar day
Time in orbit
3 years, 11 months1,444 days
How it ended
Re-entered (natural decay)
Latitude range
82.8°N to 82.8°SFinal inclination 97.2°
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 97.2°, allowed a re-entry anywhere between 82.8°N and 82.8°S.
Life in orbit
3 years, 11 monthsFLOCK 4A 19’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 15 Mar 2023
34 entriesFrom the same launch
2019-018
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2023-0535
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2023-0535
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.