HEXAGON SV-9
Re-entered 18 Mar 1975HEXAGON SV-9 (NORAD 7495, COSPAR 1974-085A) was a US satellite that re-entered Earth's atmosphere on 18 Mar 1975, launched on 29 Oct 1974 on the HEXAGON SV-9 mission. It was operated by NRO / SAFSP as part of the Hex II programme. The spacecraft was built by LMSC on the KH-9 bus, with a mass of 6,987 kg. Like most satellites in low orbits, it was gradually slowed by atmospheric drag until re-entry. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
Lifecycle
Specifications
Frequently asked questions
What happened to HEXAGON SV-9?
HEXAGON SV-9 re-entered Earth's atmosphere on 18 Mar 1975, ending a mission that began with its launch in 1974. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.
When did HEXAGON SV-9 re-enter the atmosphere?
HEXAGON SV-9 re-entered on 18 Mar 1975, according to Orbital Radar's historical catalogue records.
Who operated and built HEXAGON SV-9?
HEXAGON SV-9 was operated by NRO / SAFSP and built by LMSC (US).