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🛰️ SATELLITE · HISTORICAL RECORD

CORONA M-26

Re-entered 8 Jan 1964

CORONA M-26 (NORAD 718, COSPAR 1963-055A) was a US satellite that re-entered Earth's atmosphere on 8 Jan 1964, launched on 21 Dec 1963 on the CORONA M-26 mission. It was operated by NRO / CIA as part of the CORONA M programme. The spacecraft was built by LMSC on the CORONA KH-4 bus, with a mass of 210 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.

1963
launched
1964
re-entered
1
year on orbit
210
kg mass

Lifecycle

Launched21 Dec 1963 · on the CORONA M-26 mission
Operational26 Dec 1963 · entered service
Retired26 Dec 1963 · end of operational service
Re-entered8 Jan 1964 · atmospheric re-entry — object destroyed

Specifications

NORAD ID718
COSPAR1963-055A
TypeSatellite
OperatorNRO / CIA
Country / StateUS
ManufacturerLMSC
BusCORONA KH-4
Mass210 kg
ProgrammeCORONA M
CategoryIMG
OrbitLEO (LLEO/I)
Altitude178 × 352 km
Inclination64.9°

Frequently asked questions

What happened to CORONA M-26?

CORONA M-26 re-entered Earth's atmosphere on 8 Jan 1964, ending a mission that began with its launch in 1963. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did CORONA M-26 re-enter the atmosphere?

CORONA M-26 re-entered on 8 Jan 1964, according to Orbital Radar's historical catalogue records.

Who operated and built CORONA M-26?

CORONA M-26 was operated by NRO / CIA and built by LMSC (US).

Launched together

P-11 No. 4101Re-entered 1964
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.