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🛰️ SATELLITE · HISTORICAL RECORD

Mariner C-2

Re-entered 6 Nov 1964

Mariner C-2 (NORAD 923, COSPAR 1964-073A) was a US satellite that re-entered Earth's atmosphere on 6 Nov 1964, launched on 5 Nov 1964 on the Mariner C-2 mission. It was operated by JPL as part of the Mariner programme. The spacecraft was built by JPL on the Mariner bus, with a mass of 261 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.

1964
launched
1964
re-entered
0
years on orbit
261
kg mass

Lifecycle

Launched5 Nov 1964 · on the Mariner C-2 mission
Operational6 Nov 1964 · entered service
Retired6 Nov 1964 · end of operational service
Re-entered6 Nov 1964 · atmospheric re-entry — object destroyed

Specifications

NORAD ID923
COSPAR1964-073A
TypeSatellite
OperatorJPL
Country / StateUS
ManufacturerJPL
BusMariner
Mass261 kg
ProgrammeMariner
CategoryPLAN
OrbitHEO (EEO)
Altitude180 × -210,700 km
Inclination31.1°

Frequently asked questions

What happened to Mariner C-2?

Mariner C-2 re-entered Earth's atmosphere on 6 Nov 1964, ending a mission that began with its launch in 1964. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Mariner C-2 re-enter the atmosphere?

Mariner C-2 re-entered on 6 Nov 1964, according to Orbital Radar's historical catalogue records.

Who operated and built Mariner C-2?

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

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.