CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1993-0140
MSTI 1
MSTI 1 (NORAD 22229) re-entered Earth’s atmosphere on 18 July 1993, after 7 months in orbit.
Official date
NORAD number
22229
International designator
1992-078A
Object type
Spacecraft
Country
United States
Launched
21 Nov 1992Vandenberg
Re-entered (UTC)
18 Jul 1993UTC calendar day
Time in orbit
7 months239 days
How it ended
Re-entered (natural decay)
Latitude range
83.3°N to 83.3°SFinal inclination 96.7°
Mass
147 kg
Operator
AF Phillips/GD / SDIO
Built by
JPL / Spectrum Astro
Bus
SA-200S
Programme
MSTI
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 96.7°, allowed a re-entry anywhere between 83.3°N and 83.3°S.
Life in orbit
7 monthsMSTI 1’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 18 Jul 1993
2 entriesFrom the same launch
1992-078
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1993-0140
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1993-0140
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.