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INTELSAT 31 (IS-31) (41581)
COSPAR: 2016-035A | Alt Name: Intelsat IS-31
Image
Additional Sources
Launch Details
Launch Date
June 9, 2016
Launch Site
Launch Pad
LC81/24
Launch Vehicle
Proton-M/Briz-M
Orbital Elements
NORAD ID
41581
International Designator
2016-035A
Epoch
Thu, 02 Jul 2026 13:31:51 GMT
Apogee
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Perigee
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Inclination
0.03°
Right Ascension
259.98°
Eccentricity
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Argument of Perigee
356.14°
Period
1436.06 min
Mean Motion
1.00 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
INTELSAT 31 (IS-31)
Alternative Name
Intelsat IS-31
Type
Payload
Status
Operational
Owner
INTELU/DTVLA
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 41581U 16035A 26183.56378632 -.00000141 00000-0 00000-0 0 9991
2 41581 0.0275 259.9848 0000566 356.1386 132.3882 1.00274605 36831
Source: Celestrak
Summary
INTELSAT 31 (IS-31), also known as Intelsat IS-31, is a communication satellite built by SSL and launched on June 9, 2016, from the TYMSC launch site using a Proton-M/Briz-M launch vehicle. It operates in a box shape with two panels, has dimensions of 8.6 meters in length, 3.1 meters in diameter, and spans 32.4 meters, featuring a dry mass of 3000 kilograms and a launch mass of 6450 kilograms. The satellite is powered by two deployable solar arrays (totaling 20 kW) and batteries. It has equipment including 10 C-band and 72 Ku-band transponders for communication purposes. INTELSAT 31 was designed with a mission lifetime of 15 years and is owned by INTELU/DTVLA, serving as part of the Intelsat ISDLA-2 payload.
Physical Characteristics
Length
8.6
Diameter
3.1
Span
32.4
Dry Mass
3000
Launch Mass
6450
Shape
Box + 2 panels
Radar Cross Section
7.8945
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Intelsat ISDLA-2
Purpose
Communication
Mission
Communication
Manufacturer
SSL
Life Expectancy
15 years
Bus
LS-1300S
Configuration
SSL-1300
Motor
R-4D-11
Equipment
10 C- and 72 Ku-band transponders
Power System
2 deployable solar arrays (20 kW), 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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