USA 37 (19976)

COSPAR: 1989-035A | Alt Name: USA 37

DECAYED

Image

Additional Sources

Launch Details

Launch Date

May 10, 1989

Launch Site

Cape Canaveral Space Force Station

Launch Pad

LC40

Launch Vehicle

Titan 34D/Transtage

Orbital Elements

NORAD ID

19976

International Designator

1989-035A

Decay Date

Unknown

Basic Satellite Info

Name

USA 37

Alternative Name

USA 37

Type

Payload

Status

Unknown

Owner

NRO/SAFSP

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Summary

USA 37, also known as Vortex and designated OBJECT_ID 1989-035A, is a satellite owned by NRO/SAFSP and manufactured by TRW. Launched on May 10, 1989, from the AFETR launch site using a Titan 34D/Transtage launch vehicle, it has a configuration of approximately 38 meters dish antenna with 3-axis stabilization. The satellite measures 6 meters in length and has a diameter of 2.5 meters, with a span of 30 meters. It has a dry mass of 900 kg and weighed 1000 kg at launch. USA 37 is equipped for SIGINT (Signals Intelligence), COMINT (Communications Intelligence), and ELINT (Electronic Intelligence) missions and uses solar arrays and batteries for power. The satellite's design includes a box shape with two panels and a dish, and it has been operational since May 11, 1989, with an expected lifetime of over 25 years.

Physical Characteristics

Length

Diameter

2.5

Span

Dry Mass

900

Launch Mass

1000

Shape

Box + 2 Pan + Dish

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

VORTEX 13

Purpose

SIGINT, COMINT, ELINT

Mission

SIGINT, COMINT, ELINT

Manufacturer

TRW

Life Expectancy

+25 years (reached #10)

Bus

Vortex

Configuration

~ 38 m ï¿½ Dish Antenna, 3-Axis-Stabilization

Motor

Equipment

Power System

Solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

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