CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0165
Kapsula Kosmosa-428
Nauka 1KS No. 4L
Kapsula Kosmosa-428 (NORAD 5315) re-entered Earth’s atmosphere on 13 July 1971, after 19 days in orbit.
Official dateIdentified from the historical record
NORAD number
5315
International designator
1971-057G
Object type
Spacecraft
Official listing
SL-6 DEBListed as a fragment
Country
USSR
Launched
24 Jun 1971Baikonur Cosmodrome
Re-entered (UTC)
13 Jul 1971UTC calendar day
Time in orbit
19 days19 days
How it ended
Re-entered (natural decay)
Latitude range
51.7°N to 51.7°SFinal inclination 51.7°
Mass
630 kg
Operator
TsKBEM Fil. 3
Built by
TsKBEM Fil. 3
Bus
Nauka
Programme
Nauka 1KS
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 51.7°, allowed a re-entry anywhere between 51.7°N and 51.7°S.
Life in orbit
19 daysFrom the same launch
1971-057
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0165
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0165
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.