CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1977-0140
ATLAS AGENA D R/B
ATLAS AGENA D R/B (NORAD 6388) re-entered Earth’s atmosphere on 7 March 1977, after 4 years in orbit.
Official date
NORAD number
6388
International designator
1973-013B
Object type
Rocket body
Country
United States
Launched
6 Mar 1973Cape Canaveral
Re-entered (UTC)
7 Mar 1977UTC calendar day
Time in orbit
4 years1,462 days
How it ended
Re-entered (natural decay)
Latitude range
27.8°N to 27.8°SFinal inclination 27.8°
Mass
600 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 27.8°, allowed a re-entry anywhere between 27.8°N and 27.8°S.
Life in orbit
4 yearsATLAS AGENA D R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 7 Mar 1977
2 entries
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1977-0140
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1977-0140
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.