🛰️ SATELLITE · HISTORICAL RECORD
INTRUDER 6
Historical recordINTRUDER 6 (NORAD 28541, COSPAR 2005-004C) is a historical US catalogue entry no longer tracked in the live catalogue, launched on 3 Feb 2005 on the INTRUDER 7 mission. It was operated by NROC / USN as part of the NOSS3 programme. The spacecraft was built by LMSSD on the NOSS-3 bus, with a mass of 1,000 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
2005
launched
21
years on orbit
1,000
kg mass
Lifecycle
Launched3 Feb 2005 · on the INTRUDER 7 mission
Specifications
NORAD ID28541
COSPAR2005-004C
TypeSatellite
OperatorNROC / USN
Country / StateUS
ManufacturerLMSSD
BusNOSS-3
Mass1,000 kg
ProgrammeNOSS3
CategorySIG*
OrbitLEO (LEO/I)
Altitude1,011 × 1,209 km
Inclination63.4°
Frequently asked questions
What happened to INTRUDER 6?
INTRUDER 6 is a historical catalogue entry from a 2005 launch. It is not currently tracked in the live catalogue — typically meaning it has decayed, been retired, or its tracking elements have lapsed.
Who operated and built INTRUDER 6?
INTRUDER 6 was operated by NROC / USN and built by LMSSD (US).
Launched together
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.