XM-3 (RHYTHM) (28626)

COSPAR: 2005-008A | Alt Name: XM-3

Image

Additional Sources

Launch Details

Launch Date

March 1, 2005

Launch Site

SEAL

Launch Pad

KLA -

Launch Vehicle

Zenit-3SL

Orbital Elements

NORAD ID

28626

International Designator

2005-008A

Epoch

Sat, 04 Jul 2026 04:42:48 GMT

Apogee

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Perigee

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Inclination

0.70°

Right Ascension

83.54°

Eccentricity

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Argument of Perigee

1.72°

Period

1455.20 min

Mean Motion

0.99 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

XM-3 (RHYTHM)

Alternative Name

XM-3

Type

Payload

Status

Non-operational

Owner

XMR

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 28626U 05008A   26185.19639795  .00000075  00000-0  00000-0 0  9990

2 28626   0.7030  83.5375 0006684   1.7206 137.2770  0.98955246 42761

Source: Celestrak

Summary

XM-3 (RHYTHM) is a communication satellite identified by NORAD CAT ID 28626 and OBJECT ID 2005-008A, manufactured by BOES using the BSS-702HP bus configuration. Launched on March 1, 2005, from Sea Launch (SEAL) with a Zenit-3SL launch vehicle, it has dimensions of 7 meters in length and 3.3 meters in diameter, with a span of 40.4 meters due to its solar arrays. At launch, XM-3 had a mass of 4682 kg and operated for a designed lifetime of 15 years. The satellite is equipped with two deployable solar arrays and batteries for power generation, along with equipment including 13.3 kW digital audio radio and two active S-band transponders, each featuring 16 active (with 6 spares) 228 W TWTAs. XM-3's purpose was to provide communication services for XM Radio-3, operated by XMR. The satellite has a box shape with two panels, an RCS of 14.4177, and is stabilized using R-4D-11-300 motors.

Physical Characteristics

Length

Diameter

3.3

Span

40.4

Dry Mass

2500

Launch Mass

4682

Shape

Box + 2 Pan

Radar Cross Section

14.4177

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

XM Radio-3

Purpose

Communication

Mission

Communication

Manufacturer

BOES

Life Expectancy

15 years

Bus

BSS-702HP

Configuration

BSS-702

Motor

R-4D-11-300

Equipment

13.3 kW Digital Audio Radio, 2 active S-band transponders, each w/16 active (6 spare) 228 W TWTAs

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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