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🛰️ SATELLITE · HISTORICAL RECORD

San Marco A

Re-entered 11 Sep 1965

San Marco A (NORAD 957, COSPAR 1964-084A) was a I satellite that re-entered Earth's atmosphere on 11 Sep 1965, launched on 15 Dec 1964 on the San Marco 1 mission. It was operated by CRS as part of the San Marco programme. The spacecraft was built by CRA on the San Marco bus, with a mass of 116 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
1965
re-entered
1
year on orbit
116
kg mass

Lifecycle

Launched15 Dec 1964 · on the San Marco 1 mission
Operational1 Sep 1965 · entered service
Retired1 Sep 1965 · end of operational service
Re-entered11 Sep 1965 · atmospheric re-entry — object destroyed

Specifications

NORAD ID957
COSPAR1964-084A
TypeSatellite
OperatorCRS
Country / StateI
ManufacturerCRA
BusSan Marco
Mass116 kg
ProgrammeSan Marco
CategorySCI
OrbitLEO (LLEO/I)
Altitude198 × 782 km
Inclination37.8°

Frequently asked questions

What happened to San Marco A?

San Marco A re-entered Earth's atmosphere on 11 Sep 1965, 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 San Marco A re-enter the atmosphere?

San Marco A re-entered on 11 Sep 1965, according to Orbital Radar's historical catalogue records.

Who operated and built San Marco A?

San Marco A was operated by CRS and built by CRA (I).

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