USA 141 (ATEX) (25615)

COSPAR: 1998-055C | Alt Name: ATEX

Image

Additional Sources

Launch Details

Launch Date

October 3, 1998

Launch Site

AFWTR

Launch Pad

576E

Launch Vehicle

ARPA Taurus

Orbital Elements

NORAD ID

25615

International Designator

1998-055C

Epoch

Sat, 04 Jul 2026 04:50:31 GMT

Apogee

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Perigee

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Inclination

84.99°

Right Ascension

357.78°

Eccentricity

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Argument of Perigee

142.03°

Period

99.50 min

Mean Motion

14.47 rev/day

Latitude

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Longitude

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Altitude

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Velocity

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Polar Plot

3D Visualization

Basic Satellite Info

Name

USA 141 (ATEX)

Alternative Name

ATEX

Type

Payload

Status

Non-operational

Owner

NROC/NRL

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 25615U 98055C   26185.20175280  .00000439  00000-0  11442-3 0  9994

2 25615  84.9851 357.7849 0008762 142.0317 218.1503 14.47255899376493

Source: Celestrak

Summary

The USA 141 (ATEX) satellite, also known as ATEX, was launched on October 3, 1998, from the Arnold Engineering Development Complex (AFWTR), Launch Pad 576E, using an ARPA Taurus launch vehicle. Manufactured by NRL for experimental purposes and operated by NROC/NRL, it has a box-shaped body with a tether, measuring 0.8 meters in length and diameter of 0.1 meters, with the same span as its length. The satellite weighs 29 kilograms at dry mass and was launched with this weight as well. Its power source is batteries, and it does not have an onboard motor or configuration details specified. The satellite reached a stable orbit on January 16, 1999.

Physical Characteristics

Length

0.8

Diameter

0.1

Span

0.8

Dry Mass

Launch Mass

Shape

Box + Tether

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

ATEX

Purpose

Experimental

Mission

Experimental

Manufacturer

Naval Research Laboratory

Life Expectancy

Unknown

Bus

ATEX

Configuration

Unknown

Motor

None

Equipment

Unknown

Power System

Batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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