CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1984-0024
SL-3 R/B
SL-3 R/B (NORAD 2257) re-entered Earth’s atmosphere on 20 January 1984, after 17 years, 6 months in orbit.
Official date
NORAD number
2257
International designator
1966-057B
Object type
Rocket body
Country
USSR
Launched
25 Jun 1966Baikonur Cosmodrome
Re-entered (UTC)
20 Jan 1984UTC calendar day
Time in orbit
17 years, 6 months6,418 days
How it ended
Re-entered (natural decay)
Latitude range
64.9°N to 64.9°SFinal inclination 64.9°
Mass
1,440 kg
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 64.9°, allowed a re-entry anywhere between 64.9°N and 64.9°S.
Life in orbit
17 years, 6 monthsSL-3 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 20 Jan 1984
1 entryFrom the same launch
1966-057
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1984-0024
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1984-0024
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.