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INTELSAT 18 (IS-18) (37834)
COSPAR: 2011-056A | Alt Name: Intelsat IS-18
Image
Additional Sources
Launch Details
Launch Date
October 5, 2011
Launch Site
Launch Pad
LC45/1
Launch Vehicle
Orbital Elements
NORAD ID
37834
International Designator
2011-056A
Epoch
Sat, 04 Jul 2026 04:28:43 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
0.02°
Right Ascension
284.25°
Eccentricity
Calculating...
Argument of Perigee
185.55°
Period
1436.10 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
INTELSAT 18 (IS-18)
Alternative Name
Intelsat IS-18
Type
Payload
Status
Operational
Owner
INTELU
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 37834U 11056A 26185.18661675 .00000065 00000-0 00000-0 0 9991
2 37834 0.0240 284.2528 0001985 185.5492 59.5740 1.00271797 53980
Source: Celestrak
Summary
INTELSAT 18 (IS-18), also known as Intelsat IS-18, is a communication satellite built by OSCD and launched on October 5, 2011, from TYMSC LC45/1 using the Zenit-3SLB launch vehicle. With a dry mass of 1440 kg and launch mass of 3200 kg, it features a Star-2.4 Bus configuration with dimensions of 5.5 meters in length, 2.3 meters in diameter, and a span of 22.4 meters. Equipped with 2 deployable solar arrays, batteries for power supply, and 24 C-band transponders along with 12 Ku-band transponders, it was designed to provide communication services for 15 years. The satellite's RCS value is 37.7529, and its shape includes a box structure with two panels. It operates under the ownership of INTELU.
Physical Characteristics
Length
5.5
Diameter
2.3
Span
22.4
Dry Mass
1440
Launch Mass
3200
Shape
Box + 2 Pan
Radar Cross Section
37.7529
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Intelsat IS-18
Purpose
Communication
Mission
Communication
Manufacturer
OSCD
Life Expectancy
15 years
Bus
OSC Star 2
Configuration
Star-2.4 Bus
Motor
BT-4
Equipment
24 C-band transponders, 12 Ku-band transponders
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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