INTELSAT IV F4
Re-entered 18 Jul 2001INTELSAT IV F4 (NORAD 5775, COSPAR 1972-003A) was a I-INT satellite that re-entered Earth's atmosphere on 18 Jul 2001, launched on 23 Jan 1972 on the INTELSAT IV F4 mission. It was operated by INTEL as part of the Int4 programme. The spacecraft was built by HSES on the HS-312 bus, with a mass of 666 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 INTELSAT IV F4?
INTELSAT IV F4 re-entered Earth's atmosphere on 18 Jul 2001, 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 INTELSAT IV F4 re-enter the atmosphere?
INTELSAT IV F4 re-entered on 18 Jul 2001, according to Orbital Radar's historical catalogue records.
Who operated and built INTELSAT IV F4?
INTELSAT IV F4 was operated by INTEL and built by HSES (I-INT).