TACSAT 4 (37818)

COSPAR: 2011-052A | Alt Name: TacSat-4

Image

Additional Sources

Launch Details

Launch Date

September 27, 2011

Launch Site

KODAK

Launch Pad

LP1

Launch Vehicle

Minotaur IV+

Orbital Elements

NORAD ID

37818

International Designator

2011-052A

Epoch

Sat, 04 Jul 2026 03:02:56 GMT

Apogee

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Perigee

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Inclination

62.82°

Right Ascension

108.20°

Eccentricity

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Argument of Perigee

284.29°

Period

233.92 min

Mean Motion

6.16 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

TACSAT 4

Alternative Name

TacSat-4

Type

Payload

Status

Operational

Owner

Naval Research Laboratory

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 37818U 11052A   26185.12703727  .00002069  00000-0  80011-3 0  9997

2 37818  62.8238 108.2047 4626013 284.2877  30.0764  6.15601171325839

Source: Celestrak

Summary

TACSAT 4, also known as TacSat-4, is a technology and communication satellite launched by the US on September 27, 2011, from KODAK LP1 using a Minotaur IV+ launch vehicle. The satellite uses the JSW bus configuration and has a box shape with two panels, a cone, and a dish, measuring 3 meters in length, 1 meter in diameter, and spanning 10 meters when fully deployed. It was built by NRL/APL and is owned by NRL. TACSAT 4 weighs 420 kilograms dry and had an initial launch mass of 460 kilograms. Its power system includes two deployable solar arrays and batteries. The satellite's RCS value is 6.3594, with no additional information provided on its lifetime or major events during its operation.

Physical Characteristics

Length

Diameter

Span

Dry Mass

420

Launch Mass

460

Shape

Box + 2 Pan + Cone + Dish

Radar Cross Section

6.3594

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

TacSat-4

Purpose

Technology, communication

Mission

Technology, communication

Manufacturer

NRL/APL

Life Expectancy

Unknown

Bus

Configuration

JSW bus

Motor

Unknown

Equipment

Unknown

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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Latitude

Longitude

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