CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2016-0135
FLOCK 1E 4
FLOCK 1E 4 (NORAD 40724) re-entered Earth’s atmosphere on 24 June 2016, after 1 year, 2 months in orbit.
Official date
NORAD number
40724
International designator
1998-067GG
Object type
Spacecraft
Country
United States
Launched
14 Apr 2015Cape Canaveral
Released from
The International Space Station
Re-entered (UTC)
24 Jun 2016UTC calendar dayAlso recorded as 23 Jun 2016
Time in orbit
1 year, 2 months437 days
How it ended
Re-entered (natural decay)
Latitude range
51.6°N to 51.6°SFinal inclination 51.6°
Mass
5 kg
Operator
Built by
Planet Labs
Bus
Cubesat 3U
Programme
Flock-1/I
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 51.6°, allowed a re-entry anywhere between 51.6°N and 51.6°S.
Life in orbit
1 year, 2 monthsFLOCK 1E 4’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
2015-021
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2016-0135
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2016-0135
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.