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XM-1 (ROLL) (26761)
COSPAR: 2001-018A | Alt Name: XM-1
Image
Additional Sources
Launch Details
Launch Date
May 8, 2001
Launch Site
SEAL
Launch Pad
KLA -
Launch Vehicle
Zenit-3SL
Orbital Elements
NORAD ID
26761
International Designator
2001-018A
Epoch
Fri, 03 Jul 2026 19:12:50 GMT
Apogee
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Perigee
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Inclination
8.88°
Right Ascension
61.55°
Eccentricity
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Argument of Perigee
353.41°
Period
1454.46 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-1 (ROLL)
Alternative Name
XM-1
Type
Payload
Status
Non-operational
Owner
XMR
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 26761U 01018A 26184.80058301 -.00000003 00000-0 00000-0 0 9992
2 26761 8.8788 61.5516 0008432 353.4082 185.9685 0.99005596 46284
Source: Celestrak
Summary
XM-1 (ROLL), also known as XM-1, is a communication satellite manufactured by BOES and owned by XMR. It was launched on May 8, 2001, from the Sea Launch platform using a Zenit-3SL launch vehicle. The satellite has a configuration of BSS-702HP, with dimensions including a length of 7 meters, a diameter of 3.3 meters, and a span of 40.4 meters when its solar arrays are deployed. It has a dry mass of 2500 kg and a launch mass of 4667 kg. XM-1 is equipped with 13.3 kW Digital Audio Radio capabilities and two active S-band transponders, each featuring 16 active (with 6 spares) 228 W TWTAs. Its power system consists of two deployable solar arrays and batteries. The satellite's primary purpose is communication, specifically for XM Radio-1 services. With a projected lifetime of 15 years, it operates in a stable orbit since its launch date.
Physical Characteristics
Length
7
Diameter
3.3
Span
40.4
Dry Mass
2500
Launch Mass
4667
Shape
Box + 2 Pan
Radar Cross Section
25.1189
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
XM Radio-1
Purpose
Communication
Mission
Communication
Manufacturer
BOES
Life Expectancy
15 years
Bus
BSS-702HP
Configuration
BSS-702
Motor
R-4D-14-350
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
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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