CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1961-0032
THOR ABLESTAR R/B
THOR ABLESTAR R/B (NORAD 30) re-entered Earth’s atmosphere on 18 August 1961, after 1 year, 4 months in orbit.
Official date
NORAD number
30
International designator
1960-003A
Object type
Rocket body
Country
United States
Launched
13 Apr 1960Cape Canaveral
Re-entered (UTC)
18 Aug 1961UTC calendar day
Time in orbit
1 year, 4 months492 days
How it ended
Re-entered (natural decay)
Latitude range
51.3°N to 51.3°SFinal inclination 51.3°
Mass
650 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 51.3°, allowed a re-entry anywhere between 51.3°N and 51.3°S.
Life in orbit
1 year, 4 monthsTHOR ABLESTAR R/B’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1960-003
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1961-0032
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1961-0032
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.