SEA LAUNCH DEMO (25661)

COSPAR: 1999-014A | Alt Name: DemoSat

Image

Additional Sources

Launch Details

Launch Date

March 28, 1999

Launch Site

SEAL

Launch Pad

KLA -

Launch Vehicle

Zenit-3SL

Orbital Elements

NORAD ID

25661

International Designator

1999-014A

Epoch

Fri, 03 Jul 2026 12:08:00 GMT

Apogee

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Perigee

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Inclination

1.54°

Right Ascension

340.50°

Eccentricity

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Argument of Perigee

316.72°

Period

645.00 min

Mean Motion

2.23 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

SEA LAUNCH DEMO

Alternative Name

DemoSat

Type

Payload

Status

Unknown

Owner

BOSL

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 25661U 99014A   26184.50556139 -.00000157  00000-0 -75517-3 0  9991

2 25661   1.5393 340.5004 7172401 316.7156   5.3063  2.23256349222470

Source: Celestrak

Summary

The SEA LAUNCH DEMO satellite, also known as DemoSat, has a NORAD catalog ID of 25661 and was identified by the OBJECT_ID 1999-014A. It is part of the HS-702 Model bus configuration, manufactured in the US by BOKT for vehicle evaluation purposes. The satellite was launched on March 28, 1999, from SEALEN's launch site using a Zenit-3SL launch vehicle. With dimensions of 5 meters in length and diameter, and span, it has a dry mass of 4700 kg and the same launch mass. Its power is supplied by batteries, and its shape is irregular with an RCS (Radiation Pressure Stability) coefficient of 5.6673. The satellite belongs to BOSL and was deployed for demonstration purposes under the DemoSat payload name.

Physical Characteristics

Length

Diameter

Span

Dry Mass

4700

Launch Mass

4700

Shape

Irr

Radar Cross Section

5.6673

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

DemoSat

Purpose

Vehicle Evaluation

Mission

Vehicle Evaluation

Manufacturer

BOKT

Life Expectancy

Unknown

Bus

HS-702 Model

Configuration

Motor

None

Equipment

Power System

Batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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Latitude

Longitude

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