TOPSAT (28891)

COSPAR: 2005-043B | Alt Name: Topsat

Image
TOPSAT Satellite Image
Additional Sources
Launch Details

Launch Date

October 27, 2005

Launch Site

PLMSC

Launch Pad

LC132/1

Launch Vehicle

Kosmos 11K65M

Orbital Elements

NORAD ID

28891

International Designator

2005-043B

Epoch

Sat, 04 Jul 2026 02:26:54 GMT

Apogee

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Perigee

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Inclination

98.31°

Right Ascension

323.40°

Eccentricity

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Argument of Perigee

227.98°

Period

98.32 min

Mean Motion

14.65 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

TOPSAT

Alternative Name

Topsat

Type

Payload

Status

Non-operational

Owner

MOD

Country

United Kingdom

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 28891U 05043B   26185.10202074  .00000514  00000-0  10625-3 0  9995
2 28891  98.3105 323.3960 0014819 227.9773 132.0168 14.64552965103071

Source: Celestrak

Summary
TOPSAT, also known as Topsat, is an Earth Observation satellite launched on October 27, 2005, from the PLMSC site using a Kosmos 11K65M launch vehicle. The spacecraft measures 1.5 meters in length and 0.9 meters in diameter with a span of 1.5 meters. It has a dry mass of 115 kilograms and was manufactured by SSTL/QINQ under the SSTL-150 configuration for MOD (Ministry of Defence) in the UK. Equipped with solar cells and batteries, TOPSAT's purpose is to conduct Earth observation missions. The satellite is box-shaped with an RCS value of 0.4909 and has a launch mass equivalent to its dry mass at 115 kilograms.
Physical Characteristics

Length

1.5

Diameter

0.9

Span

1.5

Dry Mass

115

Launch Mass

115

Shape

Box

Radar Cross Section

0.4909

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Topsat

Purpose

Earth Observation

Mission

Earth Observation

Manufacturer

SSTL/QINQ

Life Expectancy

Unknown

Bus

SSTL-150

Configuration

SSTL-150

Motor

Unknown

Equipment

Unknown

Power System

Solar cells, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map
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