TUBSAT A (21577)

COSPAR: 1991-050D | Alt Name: TUBSAT-1

Image
TUBSAT A Satellite Image
Additional Sources
Launch Details

Launch Date

July 17, 1991

Launch Site

FRGUI

Launch Pad

ELA2

Launch Vehicle

Ariane 40

Orbital Elements

NORAD ID

21577

International Designator

1991-050D

Epoch

Fri, 03 Jul 2026 22:37:10 GMT

Apogee

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Perigee

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Inclination

98.38°

Right Ascension

254.37°

Eccentricity

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Argument of Perigee

198.62°

Period

99.96 min

Mean Motion

14.41 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

TUBSAT A

Alternative Name

TUBSAT-1

Type

Payload

Status

Non-operational

Owner

TUB

Country

Germany

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 21577U 91050D   26184.94248167  .00000163  00000-0  64782-4 0  9990
2 21577  98.3824 254.3713 0005710 198.6219 161.4762 14.40555658835794

Source: Celestrak

Summary
TUBSAT A (also known as TUBSAT-1) is a technology satellite manufactured by TUB and owned by the same entity. It was launched on July 17, 1991, from the ELA2 launch pad at the FRGUI site using an Ariane 40 launch vehicle. The satellite measures 0.5 meters in length, has a diameter of 0.4 meters, and spans 1 meter with its antennas. It weighs 35 kilograms both at launch and dry mass. TUBSAT A is equipped with solar cells and batteries for power generation and is shaped as a box with an antenna. The satellite's primary purpose was technology demonstration in orbit.
Physical Characteristics

Length

0.5

Diameter

0.4

Span

1

Dry Mass

35

Launch Mass

35

Shape

Box + Ant

Radar Cross Section

0.4626

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Tubsat A

Purpose

Technology

Mission

Technology

Manufacturer

TUB

Life Expectancy

Unknown

Bus

Tubsat

Configuration

Unknown

Motor

Unknown

Equipment

Unknown

Power System

Solar cells, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map
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