SME (12887)

COSPAR: 1981-100A | Alt Name: Solar Mesosphere Explorer
DECAYED

Image
SME Satellite Image
Additional Sources
Launch Details

Launch Date

October 6, 1981

Launch Site

AFWTR

Launch Pad

SLC2W

Launch Vehicle

Delta 2310

Orbital Elements

NORAD ID

12887

International Designator

1981-100A

Decay Date

3/5/1991

Basic Satellite Info

Name

SME

Alternative Name

Solar Mesosphere Explorer

Type

Payload

Status

Decayed

Owner

JPL/CLASP

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Summary
The Solar Mesosphere Explorer (SME), designated 1981-100A and NORAD_CAT_ID 12887, was launched on October 6, 1981, from the AFWTR SLC2W launch pad using a Delta 2310 rocket. Manufactured by BALL, the satellite is owned by JPL/CLASP and designed for research purposes. It has dimensions of 1.8 meters in length, 1.3 meters in diameter, and spans 2.2 meters, with a dry mass of 437 kg, which matches its launch mass. The shape is described as Cyl + Disk, and it utilizes solar cells and batteries for power generation. Its RCS (Reflectivity Cross Section) value is 7.4635, indicating its reflective properties in space.
Physical Characteristics

Length

1.8

Diameter

1.3

Span

2.2

Dry Mass

437

Launch Mass

437

Shape

Cyl + Disk

Radar Cross Section

7.4635

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Solar Mesosphere Explorer

Purpose

Research

Mission

Research

Manufacturer

BALL

Life Expectancy

Unknown

Bus

SME

Configuration

Unknown

Motor

?

Equipment

Unknown

Power System

Solar cells, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

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