CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1970-0018
BIOSAT 3
BIOSAT 3 (NORAD 4000) re-entered Earth’s atmosphere on 20 January 1970, after 6 months in orbit.
Official date
NORAD number
4000
International designator
1969-056A
Object type
Spacecraft
Country
United States
Launched
29 Jun 1969Cape Canaveral
Re-entered (UTC)
20 Jan 1970UTC calendar day
Time in orbit
6 months205 days
How it ended
Re-entered (natural decay)
Latitude range
33.5°N to 33.5°SFinal inclination 33.5°
Mass
438 kg
Operator
ARC
Built by
GE/RSD
Bus
Bios
Programme
Biosatellite
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 33.5°, allowed a re-entry anywhere between 33.5°N and 33.5°S.
Life in orbit
6 monthsBIOSAT 3’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1969-056
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1970-0018
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1970-0018
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.