CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2019-0328
ALTAIR PATHFINDER
ALTAIR PATHFINDER (NORAD 42711) re-entered Earth’s atmosphere on 19 December 2019, after 2 years, 8 months in orbit.
Official date
NORAD number
42711
International designator
1998-067LS
Object type
Spacecraft
Country
United States
Launched
18 Apr 2017Cape Canaveral
Released from
The International Space Station
Re-entered (UTC)
19 Dec 2019UTC calendar dayAlso recorded as 8 Dec 2019
Time in orbit
2 years, 8 months975 days
How it ended
Re-entered (natural decay)
Latitude range
51.6°N to 51.6°SFinal inclination 51.6°
Mass
4 kg
Operator
Millenium ES
Built by
Millenium ES
Bus
Cubesat 1x6U
Programme
MilSS
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
2 years, 8 monthsALTAIR PATHFINDER’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
2017-019
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2019-0328
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2019-0328
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.