CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
2024-0799

SL-6 R/B(2)

SL-6 R/B(2) (NORAD 10998) re-entered Earth’s atmosphere on 4 June 2024 over Asia, after 45 years, 11 months in orbit.

Official date
NORAD number
10998
International designator
1978-066D
Object type
Rocket body
Country
USSR
Launched
28 Jun 1978Plesetsk Cosmodrome
Re-entered (UTC)
4 Jun 2024Recorded time 09:54 UTC
Time in orbit
45 years, 11 months16,778 days
How it ended
Re-entered (natural decay)
Latitude range
61.9°N to 61.9°SFinal inclination 61.9°
Mass
4,500 kg

Where it came down

Recorded position

Recorded position 56.0°N, 47.0°E at 09:54 UTC. Its final orbit, inclined at 61.9°, allowed a re-entry anywhere between 61.9°N and 61.9°S.

Life in orbit

45 years, 11 months

SL-6 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 4 Jun 2024

6 entries

From the same launch

1978-066
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2024-0799
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