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🛰️ SATELLITE · HISTORICAL RECORD

0.1 Square Meter Target

Re-entered 29 Sep 1963

0.1 Square Meter Target (NORAD 638, COSPAR 1963-035B) was a US satellite that re-entered Earth's atmosphere on 29 Sep 1963, launched on 29 Aug 1963 on the ARGON 11 mission. It was operated by AFSSD? as part of the 1SMT programme. The spacecraft was built by LMSC?, with a mass of 10 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
1963
re-entered
0
years on orbit
10
kg mass

Lifecycle

Launched29 Aug 1963 · on the ARGON 11 mission
Operational29 Aug 1963 · entered service
Retired29 Aug 1963 · end of operational service
Re-entered29 Sep 1963 · atmospheric re-entry — object destroyed

Specifications

NORAD ID638
COSPAR1963-035B
TypeSatellite
OperatorAFSSD?
Country / StateUS
ManufacturerLMSC?
Mass10 kg
Programme1SMT
CategoryTECH
OrbitLEO (LLEO/I)
Altitude312 × 423 km
Inclination81.9°

Frequently asked questions

What happened to 0.1 Square Meter Target?

0.1 Square Meter Target re-entered Earth's atmosphere on 29 Sep 1963, 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 0.1 Square Meter Target re-enter the atmosphere?

0.1 Square Meter Target re-entered on 29 Sep 1963, according to Orbital Radar's historical catalogue records.

Who operated and built 0.1 Square Meter Target?

0.1 Square Meter Target was operated by AFSSD? and built by LMSC? (US).

Launched together

ARGON 11Re-entered 1963
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.