CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2011-0197
ATLAS 3A CENTAUR R/B
ATLAS 3A CENTAUR R/B (NORAD 28185) re-entered Earth’s atmosphere on 1 July 2011, after 7 years, 3 months in orbit.
Official date
NORAD number
28185
International designator
2004-007B
Object type
Rocket body
Country
United States
Launched
13 Mar 2004Cape Canaveral
Re-entered (UTC)
1 Jul 2011UTC calendar day
Time in orbit
7 years, 3 months2,666 days
How it ended
Re-entered (natural decay)
Latitude range
24.6°N to 24.6°SFinal inclination 24.6°
Mass
18,500 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 24.6°, allowed a re-entry anywhere between 24.6°N and 24.6°S.
Life in orbit
7 years, 3 monthsATLAS 3A CENTAUR R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 1 Jul 2011
2 entries
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2011-0197
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2011-0197
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.