CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1999-0014
TITAN 4 R/B
TITAN 4 R/B (NORAD 21148) re-entered Earth’s atmosphere on 9 January 1999, after 7 years, 10 months in orbit.
Official date
NORAD number
21148
International designator
1991-017B
Object type
Rocket body
Country
United States
Launched
8 Mar 1991Vandenberg
Re-entered (UTC)
9 Jan 1999UTC calendar day
Time in orbit
7 years, 10 months2,864 days
How it ended
Re-entered (natural decay)
Latitude range
67.9°N to 67.9°SFinal inclination 67.9°
Mass
4,500 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 67.9°, allowed a re-entry anywhere between 67.9°N and 67.9°S.
Life in orbit
7 years, 10 monthsTITAN 4 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1999-0014
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1999-0014
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.