SIRIUS-1 (26390)

COSPAR: 2000-035A | Alt Name: Sirius FM-1

Image

Additional Sources

Launch Details

Launch Date

June 30, 2000

Launch Site

Tyuratam Missile and Space Complex

Launch Pad

LC81/24

Launch Vehicle

Proton-K/DM-2M

Orbital Elements

NORAD ID

26390

International Designator

2000-035A

Epoch

Fri, 03 Jul 2026 06:05:32 GMT

Apogee

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Perigee

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Inclination

59.39°

Right Ascension

159.59°

Eccentricity

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Argument of Perigee

310.11°

Period

912.10 min

Mean Motion

1.58 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

SIRIUS-1

Alternative Name

Sirius FM-1

Type

Payload

Status

Non-operational

Owner

SIR

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 26390U 00035A   26184.25385366  .00000076  00000-0  00000-0 0  9990

2 26390  59.3858 159.5933 0003782 310.1061  49.0970  1.57877314 72110

Source: Celestrak

Summary

SIRIUS-1, also known as Sirius FM-1, is a communication satellite configured for direct radio broadcasting and was launched on June 30, 2000, from the TYMSC launch site using LC81/24 pad with a Proton-K/DM-2M launch vehicle. Manufactured by LOR under the SSL-1300 configuration, it has a BUS of FS-1300 and is equipped with one X/S-band transponder for its payload, Sirius CD Radio 1. The satellite measures 5.2 meters in length, 5.6 meters in diameter, and spans 24.8 meters when fully deployed. It has a dry mass of 1570 kg and a launch mass of 3800 kg, powered by two deployable solar arrays and batteries. SIRIUS-1 stabilizes its orientation through an R-4D-11-164 motor and has a shape described as Box + 2 Pan with an RCS (Reflectivity Cross Section) of 20.376. It is owned by SIR and serves the mission for communication, specifically direct radio broadcasting.

Physical Characteristics

Length

5.2

Diameter

5.6

Span

24.8

Dry Mass

1570

Launch Mass

3800

Shape

Box + 2 Pan

Radar Cross Section

20.376

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Sirius CD Radio 1

Purpose

Communication (Direct radio broadcasting)

Mission

Communication (Direct radio broadcasting)

Manufacturer

LOR

Life Expectancy

Unknown

Bus

FS-1300

Configuration

SSL-1300

Motor

R-4D-11-164

Equipment

1 X/S-band transponder

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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