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SMDC-ONE 3.2

Re-entered 20 Jun 2026

SMDC-ONE 3.2 (NORAD 39472, COSPAR 2013-072L) was a US satellite that re-entered Earth's atmosphere on 20 Jun 2026, launched on 6 Dec 2013 on the TOPAZ 3 mission. It is catalogued as SMDC-ONE David. It was operated by SMDC as part of the SMDC Cube programme. The spacecraft was built by DUCOMM on the Cubesat 3U bus, with a mass of 4 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.

2013
launched
2026
re-entered
13
years on orbit
4
kg mass

Lifecycle

Launched6 Dec 2013 · on the TOPAZ 3 mission
Operational30 Dec 2013 · entered service
Retired30 Dec 2013 · end of operational service
Re-entered20 Jun 2026 · atmospheric re-entry — object destroyed

Specifications

NORAD ID39472
COSPAR2013-072L
TypeSatellite
OperatorSMDC
Country / StateUS
ManufacturerDUCOMM
BusCubesat 3U
Mass4 kg
ProgrammeSMDC Cube
CategoryCOM
OrbitLEO (LEO/R)
Altitude462 × 890 km
Inclination120.5°

Frequently asked questions

What happened to SMDC-ONE 3.2?

SMDC-ONE 3.2 re-entered Earth's atmosphere on 20 Jun 2026, ending a mission that began with its launch in 2013. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did SMDC-ONE 3.2 re-enter the atmosphere?

SMDC-ONE 3.2 re-entered on 20 Jun 2026, according to Orbital Radar's historical catalogue records.

Who operated and built SMDC-ONE 3.2?

SMDC-ONE 3.2 was operated by SMDC and built by DUCOMM (US).

Launched together

FIREBIRD ARe-entered 2023FIREBIRD BRe-entered 2025AC-5aRe-entered 2023AC-5bRe-entered 2022ALICENORAD 39467SMDC Nanosatellite ProgramRe-entered 2025M-Cubed/COVENORAD 39469
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-16.