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🛰️ SATELLITE · HISTORICAL RECORD

CORONA CR-1

Re-entered 4 Oct 1967

CORONA CR-1 (NORAD 2946, COSPAR 1967-087A) was a US satellite that re-entered Earth's atmosphere on 4 Oct 1967, launched on 15 Sep 1967 on the CORONA CR-1 mission. It was operated by NRO / CIA as part of the CORONA CR programme. The spacecraft was built by LMSC on the CORONA KH-4B bus, with a mass of 345 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.

1967
launched
1967
re-entered
0
years on orbit
345
kg mass

Lifecycle

Launched15 Sep 1967 · on the CORONA CR-1 mission
Operational28 Sep 1967 · entered service
Retired28 Sep 1967 · end of operational service
Re-entered4 Oct 1967 · atmospheric re-entry — object destroyed

Specifications

NORAD ID2946
COSPAR1967-087A
TypeSatellite
OperatorNRO / CIA
Country / StateUS
ManufacturerLMSC
BusCORONA KH-4B
Mass345 kg
ProgrammeCORONA CR
CategoryIMG
OrbitLEO (LLEO/I)
Altitude148 × 401 km
Inclination80.1°

Frequently asked questions

What happened to CORONA CR-1?

CORONA CR-1 re-entered Earth's atmosphere on 4 Oct 1967, ending a mission that began with its launch in 1967. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did CORONA CR-1 re-enter the atmosphere?

CORONA CR-1 re-entered on 4 Oct 1967, according to Orbital Radar's historical catalogue records.

Who operated and built CORONA CR-1?

CORONA CR-1 was operated by NRO / CIA and built by LMSC (US).

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