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Today's brief covers China's classified Shijian-28 satellite launch, AI-designed spacecraft records, and upcoming global launch activities.
STAR ONE D2 (49055)
COSPAR: 2021-069A | Alt Name: Star One D2
Image
Additional Sources
Launch Details
Launch Date
July 30, 2021
Launch Site
FRGUI
Launch Pad
ELA3
Launch Vehicle
Ariane 5ECA+
Orbital Elements
NORAD ID
49055
International Designator
2021-069A
Epoch
Thu, 02 Jul 2026 13:38:57 GMT
Apogee
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Perigee
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Inclination
0.02°
Right Ascension
19.61°
Eccentricity
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Argument of Perigee
116.34°
Period
1436.01 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
STAR ONE D2
Alternative Name
Star One D2
Type
Payload
Status
Operational
Owner
STONE
Country
Brazil
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 49055U 21069A 26183.56872634 .00000000 00000-0 00000-0 0 9992
2 49055 0.0160 19.6099 0002717 116.3391 279.3053 1.00277704 18092
Source: Celestrak
Summary
STAR ONE D2, also known as Star One D2, is a communication satellite manufactured by MAXSS and operated by STONE. Launched on July 30, 2021, from the ELA3 launch pad at FRGUI using an Ariane 5ECA+ launch vehicle, it has a configuration based on the SSL-1300 bus platform. The satellite measures 5.1 meters in length and 2.2 meters in diameter with a span of 27 meters, featuring two deployable solar arrays and batteries for power generation. It has a dry mass of 3500 kg and was launched at a total mass of 6190 kg. The payload includes C-, Ku-, Ka-, and X-band communication equipment, designed to support its primary mission of providing communication services over its expected 15-year operational lifetime.
Physical Characteristics
Length
5.1
Diameter
2.2
Span
27
Dry Mass
3500
Launch Mass
6190
Shape
Box + 2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Star One D2
Purpose
Communication
Mission
Communication
Manufacturer
MAXSS
Life Expectancy
15 years
Bus
LS-1300
Configuration
SSL-1300
Motor
R-4D
Equipment
C-, Ku-, Ka- and X-band payloads
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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