Intruder 11

American military ocean surveillance and SIGINT satellite. Intruder 11 was launched on September 13, 2012 aboard a Atlas V 401 from Vandenberg. Latest status in GCAT: in orbit.

COSPAR 2012-048ANORAD 38758United States

Identity

Name in GCAT: USA 238
Common name: Intruder 11
Payload designation: INTRUDER 11
Other names: NOSS C6-1,NROL-36
International designator: 2012-048A
NORAD catalog number: 38758
GCAT identifier: S38758
UN registration: ST/SG/SER.E/711

Mission

Mission type: Signals intelligence
Use: Defense
Program: NOSS3
Owner: NRO
Country: United States
Builder: Lockheed Martin Space Systems (Denver), Astronautics Operations
Platform (bus): NOSS-3

Launch

Date: September 13, 2012 · 21:39 UTC
Launch record: 2012-048Success
Rocket: Atlas V 401
Spaceport: Vandenberg · pad SLC3E

Orbit and fate

Orbit class (GCAT): LEO/I
Perigee: 1,011 km
Apogee: 1,202 km
Inclination: 63.43°
Status: In orbit
Last known active: Feb 10, 2023

Size

Mass: 1,000 kg
Dry mass: 1,000 kg
Length: 2.0 m
Diameter: 2.00 m
Span: 2.0 m

Launched together

SMDC ONE 1.2Communications · SMDC AENEASTechnology · DoD ORS Colorado Student Space Weather ExperimentSpace science · Colorado CXBNAstronomy · Morehead SMDCTechnology · SMDC Intruder 12Signals intelligence · NRO

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q136169934 (CC0).