X Report 27 May 2025
Today marks a significant day for SpaceX as the company prepares for the 9th test flight of its Starship-Super Heavy rocket, alongside a successful launch of 24 Starlink satellites to polar orbit.
JCSAT-18 (KACIFIC 1) (44868)
COSPAR: 2019-091A | Alt Name: JCSAT 18/Kacific 1
Image
Additional Sources
Launch Details
Launch Date
December 17, 2019
Launch Site
Launch Pad
LC40
Launch Vehicle
Orbital Elements
NORAD ID
44868
International Designator
2019-091A
Epoch
Fri, 03 Jul 2026 21:04:55 GMT
Apogee
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Perigee
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Inclination
0.03°
Right Ascension
215.90°
Eccentricity
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Argument of Perigee
290.88°
Period
1436.10 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
JCSAT-18 (KACIFIC 1)
Alternative Name
JCSAT 18/Kacific 1
Type
Payload
Status
Operational
Owner
SKPJ/KACBS
Country
Japan
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 44868U 19091A 26184.87842066 -.00000189 00000-0 00000-0 0 9991
2 44868 0.0316 215.9016 0000355 290.8770 241.3580 1.00271881 24177
Source: Celestrak
Summary
JCSAT-18 (KACIFIC 1) is a communication satellite identified by NORAD CAT ID 44868 and OBJECT ID 2019-091A, launched on December 17, 2019, from the Air Force Eastern Test Range (AFETR), LC40 launch pad using a Falcon 9 launch vehicle. It has a configuration of BSS-702MP, manufactured by BOES, with dimensions of 7 meters in length and 3.3 meters in diameter, and spans 35 meters when fully deployed. The satellite's dry mass is 3500 kg while its total launch mass was 6800 kg. It is owned by SKPJ/KACBS and equipped with a Ka-band HTP payload (56 spot beams) and a Ku-band payload, providing communication services over the duration of its 15-year lifetime. The satellite's power supply consists of two deployable solar arrays and batteries. Its shape is described as "Box+2 pan," and it operates for communication purposes in Japanese jurisdiction.
Physical Characteristics
Length
7
Diameter
3.3
Span
35
Dry Mass
3500
Launch Mass
6800
Shape
Box+2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
JCSAT 18
Purpose
Communication
Mission
Communication
Manufacturer
BOES
Life Expectancy
+15 years
Bus
BSS-702MP
Configuration
BSS-702MP
Motor
R-4D
Equipment
Ka-band HTP payload (56 spot beams), Ku-band payload
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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