🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.2

Radius: 11.6

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.86 AU - 1.1 AU

Year: 626 Days

Day: 8.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,504,357 km

• M1: 144,212 km (0.112 R)
• M2: 522,246 km (0.109 R)
• M3: 1,146,967 km (0.117 R)
• M4: 1,614,311 km (0.069 R)
• M5: 2,102,598 km (0.085 R)
• M6: 3,020,979 km (0.117 R)
• M7: 4,133,389 km (0.061 R)
• M8: 4,520,100 km (0.103 R)
• M9: 4,946,753 km (0.066 R)
• M10: 5,603,039 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.1

Radius: 13.3

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.96 AU - 1.06 AU

Year: 655 Days

Day: 13.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,504,357 km

• M1: 165,455 km (0.092 R)
• M2: 646,712 km (0.104 R)
• M3: 1,229,694 km (0.115 R)
• M4: 1,720,525 km (0.082 R)
• M5: 2,263,565 km (0.1 R)
• M6: 2,861,957 km (0.029 R)
• M7: 3,577,932 km (0.054 R)
• M8: 4,271,169 km (0.09 R)
• M9: 4,966,649 km (0.116 R)
• M10: 5,550,679 km (0.116 R)
• M11: 6,626,138 km (0.106 R)
• M12: 7,402,402 km (0.099 R)
• M13: 7,976,409 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.3

Radius: 8.8

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.12 AU - 1.54 AU

Year: 990 Days

Day: 7.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,504,357 km

• M1: 109,805 km (0.067 R)
• M2: 386,411 km (0.115 R)
• M3: 737,069 km (0.091 R)
• M4: 1,088,923 km (0.068 R)
• M5: 1,560,306 km (0.092 R)
• M6: 1,961,677 km (0.118 R)
• M7: 2,409,723 km (0.106 R)
• M8: 2,912,521 km (0.107 R)
• M9: 3,280,981 km (0.102 R)
• M10: 3,609,198 km (0.092 R)
• M11: 4,205,495 km (0.082 R)
• M12: 4,593,702 km (0.096 R)
• M13: 5,076,903 km (0.061 R)
• M14: 6,412,962 km (0.119 R)
• M15: 7,471,366 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.8

Radius: 10.6

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.43 AU - 1.63 AU

Year: 1222 Days

Day: 5.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,504,357 km

• M1: 131,796 km (0.116 R)
• M2: 836,252 km (0.057 R)
• M3: 4,171,088 km (0.114 R)
• M4: 4,992,530 km (0.034 R)
• M5: 6,027,897 km (0.101 R)
• M6: 7,028,108 km (0.098 R)
• M7: 8,027,721 km (0.119 R)
• M8: 8,660,071 km (0.032 R)
• M9: 9,032,121 km (0.106 R)
• M10: 9,385,022 km (0.059 R)
• M11: 9,962,470 km (0.092 R)
• M12: 11,255,893 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.6

Radius: 9.9

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.68 AU - 3.96 AU

Year: 3906 Days

Day: 8.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,504,357 km

• M1: 123,269 km (0.112 R)
• M2: 437,275 km (0.119 R)
• M3: 754,123 km (0.082 R)
• M4: 1,117,945 km (0.115 R)
• M5: 1,859,352 km (0.025 R)
• M6: 3,923,055 km (0.077 R)
• M7: 4,268,326 km (0.069 R)
• M8: 4,587,120 km (0.098 R)
• M9: 5,196,132 km (0.092 R)
• M10: 6,310,786 km (0.096 R)
• M11: 7,911,035 km (0.103 R)
• M12: 8,751,027 km (0.103 R)
• M13: 9,572,169 km (0.12 R)
• M14: 11,410,877 km (0.09 R)
• M15: 13,281,000 km (0.11 R)
• M16: 13,815,663 km (0.075 R)
• M17: 15,720,043 km (0.113 R)
• M18: 19,293,488 km (0.106 R)
• M19: 21,071,758 km (0.034 R)
• M20: 23,025,955 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.9

Radius: 12.8

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.76 AU - 6.94 AU

Year: 9136 Days

Day: 8.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,504,357 km

• M1: 159,172 km (0.108 R)
• M2: 972,237 km (0.049 R)
• M3: 1,412,054 km (0.116 R)
• M4: 2,757,089 km (0.097 R)
• M5: 4,618,984 km (0.078 R)
• M6: 5,460,921 km (0.054 R)
• M7: 7,739,296 km (0.039 R)
• M8: 8,340,829 km (0.118 R)
• M9: 10,283,806 km (0.03 R)
• M10: 12,054,148 km (0.085 R)
• M11: 13,832,717 km (0.108 R)
• M12: 16,190,678 km (0.119 R)
• M13: 18,201,423 km (0.079 R)
• M14: 19,657,310 km (0.101 R)
• M15: 22,974,343 km (0.068 R)
• M16: 23,679,997 km (0.109 R)
• M17: 24,582,221 km (0.109 R)
• M18: 25,041,786 km (0.108 R)
• M19: 25,600,983 km (0.083 R)
• M20: 26,841,000 km (0.063 R)
• M21: 29,959,367 km (0.061 R)
• M22: 34,444,162 km (0.114 R)
• M23: 35,837,068 km (0.095 R)
• M24: 45,130,536 km (0.12 R)
• M25: 47,362,536 km (0.081 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 17,202 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit