CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1991-0175
TRANSIT 18 DEB
TRANSIT 18 DEB (NORAD 18594) re-entered Earth’s atmosphere on 19 April 1991.
Official dateFragment record
NORAD number
18594
International designator
1968-012E
Object type
Fragment
Country
United States
Parent launched
2 Mar 1968Vandenberg
Re-entered (UTC)
19 Apr 1991UTC calendar day
Time since launch
23 years, 1 month8,448 days
How it ended
Re-entered (natural decay)
Latitude range
90.0°N to 90.0°SFinal inclination 90.0°
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 90.0°, allowed a re-entry anywhere between 90.0°N and 90.0°S.
Life in orbit
TRANSIT 18 DEB’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/1991-0175
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1991-0175
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.