CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2021-0180
R3D2
R3D2 (NORAD 44073) re-entered Earth’s atmosphere on 23 May 2021, after 2 years, 1 month in orbit.
Official date
NORAD number
44073
International designator
2019-016A
Object type
Spacecraft
Country
United States
Launched
28 Mar 2019Rocket Lab Launch Complex
Re-entered (UTC)
23 May 2021UTC calendar day
Time in orbit
2 years, 1 month787 days
How it ended
Re-entered (natural decay)
Latitude range
39.5°N to 39.5°SFinal inclination 39.5°
Mass
160 kg
Operator
DARPA
Built by
NGAS / Blue Canyon
Bus
Flexbus
Programme
DARPA Tech
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 39.5°, allowed a re-entry anywhere between 39.5°N and 39.5°S.
Life in orbit
2 years, 1 monthR3D2’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
2019-016
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2021-0180
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2021-0180
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.