USA 257 (CLIO) (40208)

COSPAR: 2014-055A | Alt Name: NEMESIS 2

DECAYED

Image

Additional Sources

Launch Details

Launch Date

September 17, 2014

Launch Site

Cape Canaveral Space Force Station

Launch Pad

SLC41

Launch Vehicle

Atlas V 401

Orbital Elements

NORAD ID

40208

International Designator

2014-055A

Decay Date

Unknown

Basic Satellite Info

Name

USA 257 (CLIO)

Alternative Name

NEMESIS 2

Type

Payload

Status

Operational

Owner

NROC

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Summary

USA 257 (CLIO), also known as NEMESIS 2, is a satellite owned by the National Reconnaissance Office (NROC) and manufactured by LMCSS. It was launched on September 17, 2014, from Cape Canaveral Air Force Station's SLC-41 launch pad using an Atlas V 401 launch vehicle. The satellite is configured as A2100A with a bus type of A2100 and has dimensions of 5 meters in length, 2.2 meters in diameter, and a span of 26 meters. It weighs 3400 kg at launch and has a dry mass of 1500 kg. Its primary mission involves SIGINT (Signals Intelligence) and COMINT (Communications Intelligence). The satellite is powered by two deployable solar arrays and batteries and features a shape described as Box + 2 Pan with the Leros 1C motor for propulsion.

Physical Characteristics

Length

Diameter

2.2

Span

Dry Mass

1500

Launch Mass

3400

Shape

Box + 2 Pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

NEMESIS 2

Purpose

SIGINT, COMINT

Mission

SIGINT, COMINT

Manufacturer

LMCSS

Life Expectancy

Unknown

Bus

A2100

Configuration

A2100A

Motor

Leros 1C

Equipment

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

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