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PLEIADES 1A (38012)
COSPAR: 2011-076F | Alt Name: Pleiades 1a
Image
Additional Sources
Launch Details
Launch Date
December 17, 2011
Launch Site
FRGUI
Launch Pad
ELS
Launch Vehicle
Soyuz-ST-A
Orbital Elements
NORAD ID
38012
International Designator
2011-076F
Epoch
Sat, 04 Jul 2026 06:45:48 GMT
Apogee
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Perigee
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Inclination
98.20°
Right Ascension
260.15°
Eccentricity
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Argument of Perigee
86.88°
Period
98.73 min
Mean Motion
14.59 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
PLEIADES 1A
Alternative Name
Pleiades 1a
Type
Payload
Status
Operational
Owner
CNES/DGA
Country
France
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 38012U 11076F 26185.28181256 .00000242 00000-0 61822-4 0 9995
2 38012 98.1973 260.1550 0001761 86.8811 4.3447 14.58541503774487
Source: Celestrak
Summary
PLEIADES 1A, also known as Pleiades 1a, is an Earth observation satellite operated by CNES/DGA. Launched on December 17, 2011, from the French Guiana Space Center using a Soyuz-ST-A launch vehicle, it was manufactured by ASTT and features the Astrosat-1000 configuration. The satellite has dimensions of 4 meters in length, 2 meters in diameter, and an 8-meter span with a dry mass of 895 kilograms. Equipped with HiRI equipment and powered by three deployable solar arrays along with batteries, it carries the Pleiades HR-1 payload for high-resolution Earth observation. Its propulsion system consists of four 15 Nms hydrazine thrusters, and its design includes a hexagonal cylindrical shape plus three panels. The satellite has an expected operational lifetime of five years.
Physical Characteristics
Length
4
Diameter
2
Span
8
Dry Mass
895
Launch Mass
970
Shape
Hex Cyl + Cyl + 3 Pan
Radar Cross Section
5.3462
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Pleiades HR-1
Purpose
Earth observation
Mission
Earth observation
Manufacturer
ASTT
Life Expectancy
5 years
Bus
Astrosat-1000
Configuration
AstroSat-1000
Motor
4 x 15 Nms hydrazine thrusters
Equipment
HiRI
Power System
3 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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