Helios 1
Re-entered 10 Dec 1974Helios 1 (NORAD 7567, COSPAR 1974-097A) was a D satellite that re-entered Earth's atmosphere on 10 Dec 1974, launched on 10 Dec 1974 on the Helios 1 mission. It was operated by DFVLR as part of the DLR Helios programme. The spacecraft was built by MBB on the Helios bus, with a mass of 370 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 Helios 1?
Helios 1 re-entered Earth's atmosphere on 10 Dec 1974, 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 Helios 1 re-enter the atmosphere?
Helios 1 re-entered on 10 Dec 1974, according to Orbital Radar's historical catalogue records.
How long was Helios 1 operational?
Helios 1 was operational for roughly 4 years, from 1 Jan 1981 to 1 Jan 1985.
Who operated and built Helios 1?
Helios 1 was operated by DFVLR and built by MBB (D).