X Report 30 May 2025
SpaceX embarks on another milestone as it prepares to launch an advanced GPS satellite for the U.S. Space Force today, aiming for a record 170 launches this year.
ISAT (43879)
COSPAR: 2018-111D | Alt Name: iSat
Image
Additional Sources
Launch Details
Launch Date
December 27, 2018
Launch Site
VOSTO
Launch Pad
PU1S
Launch Vehicle
Soyuz-2-1A
Orbital Elements
NORAD ID
43879
International Designator
2018-111D
Epoch
Sat, 04 Jul 2026 02:04:33 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
97.59°
Right Ascension
121.65°
Eccentricity
Calculating...
Argument of Perigee
158.18°
Period
91.80 min
Mean Motion
15.69 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
ISAT
Alternative Name
iSat
Type
Payload
Status
Operational
Owner
ISKY
Country
Czech Republic
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 43879U 18111D 26185.08649588 .00141168 00000-0 12263-2 0 9990
2 43879 97.5866 121.6468 0005565 158.1781 201.9718 15.68623363413812
Source: Celestrak
Summary
ISAT (iSat) is a 3U CubeSat communications satellite, manufactured by GOS and owned by ISKY. It was launched on December 27, 2018, from VOSTO launch site using the Soyuz-2-1A launch vehicle. The spacecraft has dimensions of 0.3 meters in length and a span of 1 meter with solar cells and batteries for power supply. Weighing 3 kg at launch and dry mass, ISAT is equipped with two D-Star communication modules as its primary payload. Its mission was to provide communications services for approximately one year following its deployment into orbit.
Physical Characteristics
Length
0.3
Diameter
0.1
Span
1
Dry Mass
3
Launch Mass
3
Shape
Box + Ant
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
D-Star ONE iSat
Purpose
Communications
Mission
Communications
Manufacturer
GOS
Life Expectancy
1 year
Bus
Cubesat 3U
Configuration
CubeSat (3U)
Motor
None
Equipment
2 D-Star communication modules
Power System
Solar cells, 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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