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🛰️ SATELLITE · HISTORICAL RECORD

Mariner 2

Re-entered 27 Aug 1962

Mariner 2 (NORAD 374, COSPAR 1962 A RHO 1) was a US satellite that re-entered Earth's atmosphere on 27 Aug 1962, launched on 27 Aug 1962 on the Mariner R-2 mission. It is catalogued as Mariner R-2. It was operated by JPL as part of the Mariner programme. The spacecraft was built by JPL on the Ranger bus, with a mass of 203 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.

1962
launched
1962
re-entered
0
years on orbit
203
kg mass

Lifecycle

Launched27 Aug 1962 · on the Mariner R-2 mission
Operational2 Jan 1963 · entered service
Retired2 Jan 1963 · end of operational service
Re-entered27 Aug 1962 · atmospheric re-entry — object destroyed

Specifications

NORAD ID374
COSPAR1962 A RHO 1
TypeSatellite
OperatorJPL
Country / StateUS
ManufacturerJPL
BusRanger
Mass203 kg (193 kg dry)
ProgrammeMariner
CategoryPLAN
OrbitHEO (EEO)
Altitude197 × -100,773 km
Inclination32.0°

Frequently asked questions

What happened to Mariner 2?

Mariner 2 re-entered Earth's atmosphere on 27 Aug 1962, ending a mission that began with its launch in 1962. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Mariner 2 re-enter the atmosphere?

Mariner 2 re-entered on 27 Aug 1962, according to Orbital Radar's historical catalogue records.

Who operated and built Mariner 2?

Mariner 2 was operated by JPL and built by JPL (US).

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-10-21.