HEXAGON SV-4
Re-entered 8 Jan 1973HEXAGON SV-4 (NORAD 6227, COSPAR 1972-079A) was a US satellite that re-entered Earth's atmosphere on 8 Jan 1973, launched on 10 Oct 1972 on the HEXAGON SV-4 mission. It was operated by NRO / SAFSP as part of the Hex I programme. The spacecraft was built by LMSC on the KH-9 bus, with a mass of 6,087 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-4?
HEXAGON SV-4 re-entered Earth's atmosphere on 8 Jan 1973, ending a mission that began with its launch in 1972. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.
When did HEXAGON SV-4 re-enter the atmosphere?
HEXAGON SV-4 re-entered on 8 Jan 1973, according to Orbital Radar's historical catalogue records.
Who operated and built HEXAGON SV-4?
HEXAGON SV-4 was operated by NRO / SAFSP and built by LMSC (US).