CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1966-0234

ATDA

ATDA (NORAD 2186) re-entered Earth’s atmosphere on 11 July 1966, after 1 month in orbit.

Official date
NORAD number
2186
International designator
1966-046A
Object type
Spacecraft
Country
United States
Launched
1 Jun 1966Cape Canaveral
Re-entered (UTC)
11 Jul 1966UTC calendar day
Time in orbit
1 month40 days
How it ended
Re-entered (natural decay)
Latitude range
28.9°N to 28.9°SFinal inclination 28.9°
Mass
910 kg
Operator
MSC
Built by
McDonnell
Bus
TDA
Programme
TDA

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 28.9°, allowed a re-entry anywhere between 28.9°N and 28.9°S.

Life in orbit

1 month

ATDA’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 11 Jul 1966

7 entries
1966-0233TITAN 3C TRANSTAGE DEB1966-0235SL-9 DEB1966-0236SATURN 1B DEB1966-0237SATURN 1B DEB1966-0238SATURN 1B DEB1966-0239SATURN 1B DEB1966-0240SATURN 1B DEB

From the same launch

1966-046
1966-0178ATLAS D R/B
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1966-0234
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