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X-37B No. 2 F3

Re-entered 27 Oct 2019

X-37B No. 2 F3 (NORAD 42932, COSPAR 2017-052A) was a US satellite that re-entered Earth's atmosphere on 27 Oct 2019, launched on 7 Sep 2017 on the X-37B No. 2? mission. It was operated by AFRCO as part of the X37 programme. The spacecraft was built by BOHB on the X-37 bus, with a mass of 5,000 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.

2017
launched
2019
re-entered
2
years on orbit
5,000
kg mass

Lifecycle

Launched7 Sep 2017 · on the X-37B No. 2? mission
Operational27 Oct 2019 · entered service
Retired27 Oct 2019 · end of operational service
Re-entered27 Oct 2019 · atmospheric re-entry — object destroyed

Specifications

NORAD ID42932
COSPAR2017-052A
TypeSatellite
OperatorAFRCO
Country / StateUS
ManufacturerBOHB
BusX-37
Mass5,000 kg
ProgrammeX37
CategoryTECH*
OrbitLEO (LLEO/I)
Altitude355 × 356 km
Inclination54.5°

Frequently asked questions

What happened to X-37B No. 2 F3?

X-37B No. 2 F3 re-entered Earth's atmosphere on 27 Oct 2019, ending a mission that began with its launch in 2017. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did X-37B No. 2 F3 re-enter the atmosphere?

X-37B No. 2 F3 re-entered on 27 Oct 2019, according to Orbital Radar's historical catalogue records.

Who operated and built X-37B No. 2 F3?

X-37B No. 2 F3 was operated by AFRCO and built by BOHB (US).

Launched together

Secret DoD Satellite 1Re-entered 2019Secret DoD Satellite 2Re-entered 2019Secret DoD Satellite 3Re-entered 2019
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.