TMSAT-1 (TO-31) (25396)

COSPAR: 1998-043C | Alt Name: Thai-OSCAR-31

Image
TMSAT-1 (TO-31) Satellite Image
Additional Sources
Launch Details

Launch Date

July 10, 1998

Launch Pad

LC45/1

Launch Vehicle

Zenit-2

Orbital Elements

NORAD ID

25396

International Designator

1998-043C

Epoch

Sat, 04 Jul 2026 05:33:06 GMT

Apogee

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Perigee

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Inclination

98.99°

Right Ascension

176.75°

Eccentricity

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Argument of Perigee

106.63°

Period

101.00 min

Mean Motion

14.26 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

TMSAT-1 (TO-31)

Alternative Name

Thai-OSCAR-31

Type

Payload

Status

Non-operational

Owner

TMSAT

Country

Thailand

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 25396U 98043C   26185.23132786  .00000148  00000-0  81754-4 0  9995
2 25396  98.9869 176.7527 0003685 106.6324 253.5260 14.25767279454427

Source: Celestrak

Summary
TMSAT-1 (TO-31), also known as Thai-OSCAR-31, is a technology microsatellite manufactured by SSTL and owned by TMSAT. It was launched on July 10, 1998, from the TYMSC launch site using the Zenit-2 launch vehicle at LC45/1 pad. The satellite has dimensions of 0.6 meters in length and 0.4 meters in diameter with a span of 7 meters, featuring a box-shaped body with an antenna. It weighs 50 kilograms both at launch and dry mass. TMSAT-1 is equipped with multi-spectral imaging equipment and digital store-and-forward communications payload, powered by solar cells and batteries. The satellite's purpose revolves around technology demonstration and it carries the Thai Puht payload.
Physical Characteristics

Length

0.6

Diameter

0.4

Span

7

Dry Mass

50

Launch Mass

50

Shape

Box + Ant

Radar Cross Section

0.48

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Thai Puht

Purpose

Technology

Mission

Technology

Manufacturer

SSTL

Life Expectancy

Unknown

Bus

UoSAT

Configuration

Microsat-70

Motor

None

Equipment

Multi-spectral iamger, digital store-and-forward communications payload

Power System

Solar cells, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

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