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🛰️ SATELLITE · HISTORICAL RECORD

P-11 No. 4412

Re-entered 4 Mar 1970

P-11 No. 4412 (NORAD 3114, COSPAR 1968-008B) was a US satellite that re-entered Earth's atmosphere on 4 Mar 1970, launched on 24 Jan 1968 on the CORONA J-45 mission. It was operated by NRO / SAFSP as part of the EHH B programme. The spacecraft was built by LMSC/ESL on the P-11 L bus, with a mass of 115 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.

1968
launched
1970
re-entered
2
years on orbit
115
kg mass

Lifecycle

Launched24 Jan 1968 · on the CORONA J-45 mission
Operational8 May 1969 · entered service
Retired8 May 1969 · end of operational service
Re-entered4 Mar 1970 · atmospheric re-entry — object destroyed

Specifications

NORAD ID3114
COSPAR1968-008B
TypeSatellite
OperatorNRO / SAFSP
Country / StateUS
ManufacturerLMSC/ESL
BusP-11 L
Mass115 kg
ProgrammeEHH B
CategorySIG
OrbitLEO (LLEO/I)
Altitude465 × 538 km
Inclination81.7°

Frequently asked questions

What happened to P-11 No. 4412?

P-11 No. 4412 re-entered Earth's atmosphere on 4 Mar 1970, ending a mission that began with its launch in 1968. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did P-11 No. 4412 re-enter the atmosphere?

P-11 No. 4412 re-entered on 4 Mar 1970, according to Orbital Radar's historical catalogue records.

Who operated and built P-11 No. 4412?

P-11 No. 4412 was operated by NRO / SAFSP and built by LMSC/ESL (US).

Launched together

CORONA J-45Re-entered 1968
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.