CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1989-0800
SL-8 R/B
SL-8 R/B (NORAD 15329) re-entered Earth’s atmosphere on 9 September 1989, after 4 years, 11 months in orbit.
Official date
NORAD number
15329
International designator
1984-104B
Object type
Rocket body
Country
USSR
Launched
27 Sep 1984Plesetsk Cosmodrome
Re-entered (UTC)
9 Sep 1989UTC calendar day
Time in orbit
4 years, 11 months1,808 days
How it ended
Re-entered (natural decay)
Latitude range
65.8°N to 65.8°SFinal inclination 65.8°
Mass
1,434 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 65.8°, allowed a re-entry anywhere between 65.8°N and 65.8°S.
Life in orbit
4 years, 11 monthsSL-8 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 9 Sep 1989
3 entriesFrom the same launch
1984-1041988-0125Kosmos-1601 SS 21988-0138Kosmos-1601 SS 51988-0155Kosmos-1601 SS 101988-0156Kosmos-1601 SS 171988-0159Kosmos-1601 SS 41988-0165Kosmos-1601 SS 11988-0178Kosmos-1601 SS 151988-0187Kosmos-1601 SS 141988-0209Kosmos-1601 SS 71988-0221Kosmos-1601 SS 181988-0241Kosmos-1601 SS 211988-0244Kosmos-1601 SS 16
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1989-0800
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1989-0800
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.