X Report 15 Dec 2025
SpaceX made significant strides in satellite deployment with successful launches of 27 and 29 Starlink satellites, marking both a milestone in landings and ongoing expansion of the Starlink constellation.
X-SAT (37389)
COSPAR: 2011-015C | Alt Name: X-Sat
Image
Additional Sources
Launch Details
Launch Date
April 20, 2011
Launch Site
SRILR
Launch Pad
FLP
Launch Vehicle
PSLV
Orbital Elements
NORAD ID
37389
International Designator
2011-015C
Epoch
Sat, 04 Jul 2026 06:50:58 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
98.35°
Right Ascension
161.50°
Eccentricity
Calculating...
Argument of Perigee
296.11°
Period
101.04 min
Mean Motion
14.25 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
X-SAT
Alternative Name
X-Sat
Type
Payload
Status
Operational
Owner
NTU
Country
Singapore
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 37389U 11015C 26185.28539794 .00000238 00000-0 11861-3 0 9990
2 37389 98.3520 161.4953 0012909 296.1121 63.8730 14.25211525790114
Source: Celestrak
Summary
X-SAT is an Earth observation and technology satellite, operated by NTU (Nanyang Technological University) and manufactured by SATREC. Launched on April 20, 2011, from the Satish Dhawan Space Centre using a PSLV launch vehicle, X-SAT weighs 105 kilograms at launch and has dimensions of 0.9 meters in length, 0.6 meters in diameter, and a span of 1.5 meters. It is equipped with a SI-100 bus configuration and features a 3 band multi-spectral imager, DLR GPS, PPU (Power Processing Unit), and 2 deployable fixed solar arrays along with batteries for power generation. The satellite's mission duration was planned to be three years. X-SAT has an RCS value of 0.4684 and is described as having a box shape with two panels.
Physical Characteristics
Length
0.9
Diameter
0.6
Span
1.5
Dry Mass
105
Launch Mass
105
Shape
Box + 2 Pan
Radar Cross Section
0.4684
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Unknown
Purpose
Earth Observation, Technology
Mission
Earth Observation, Technology
Manufacturer
SATREC
Life Expectancy
3 years
Bus
Satrec
Configuration
SI-100 bus
Motor
None
Equipment
3 band multi-spectral imager, DLR GPS, PPU
Power System
2 deployable fixed 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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