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X-37B No. 1 F1

Re-entered 3 Dec 2010

X-37B No. 1 F1 (NORAD 36514, COSPAR 2010-015A) was a US satellite that re-entered Earth's atmosphere on 3 Dec 2010, launched on 22 Apr 2010 on the X-37B No. 1 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.

2010
launched
2010
re-entered
0
years on orbit
5,000
kg mass

Lifecycle

Launched22 Apr 2010 · on the X-37B No. 1 mission
Operational3 Dec 2010 · entered service
Retired3 Dec 2010 · end of operational service
Re-entered3 Dec 2010 · atmospheric re-entry — object destroyed

Specifications

NORAD ID36514
COSPAR2010-015A
TypeSatellite
OperatorAFRCO
Country / StateUS
ManufacturerBOHB
BusX-37
Mass5,000 kg
ProgrammeX37
CategoryTECH
OrbitLEO (LLEO/I)
Altitude407 × 409 km
Inclination40.0°

Frequently asked questions

What happened to X-37B No. 1 F1?

X-37B No. 1 F1 re-entered Earth's atmosphere on 3 Dec 2010, ending a mission that began with its launch in 2010. 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. 1 F1 re-enter the atmosphere?

X-37B No. 1 F1 re-entered on 3 Dec 2010, according to Orbital Radar's historical catalogue records.

Who operated and built X-37B No. 1 F1?

X-37B No. 1 F1 was operated by AFRCO and built by BOHB (US).

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