CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1969-0306

ESRO 1B (BOREAS)

ESRO 1B (BOREAS) (NORAD 4114) re-entered Earth’s atmosphere on 23 November 1969, after 1 month in orbit.

Official date
NORAD number
4114
International designator
1969-083A
Object type
Spacecraft
Country
ESRO
Launched
1 Oct 1969Vandenberg
Re-entered (UTC)
23 Nov 1969Recorded time 09:52 UTC
Time in orbit
1 month53 days
How it ended
Re-entered (natural decay)
Latitude range
85.1°N to 85.1°SFinal inclination 85.1°
Mass
85 kg
Operator
ESRO
Built by
LCT
Bus
ESRO 1
Programme
ESRO

Where it came down

Latitude band its orbit allowed
Exact position not recorded

No position was recorded for this re-entry. Its final orbit, inclined at 85.1°, allowed a re-entry anywhere between 85.1°N and 85.1°S.

Life in orbit

1 month

ESRO 1B (BOREAS)’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 23 Nov 1969

2 entries
1969-0307COSMOS 3101969-0308SL-3 R/B

From the same launch

1969-083
1969-0293SCOUT B R/B
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1969-0306
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