🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336

Radius: 8.7

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.8 AU - 0.96 AU

Year: 525 Days

Day: 10.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,677,898 km

• M1: 108,159 km (0.108 R)
• M2: 402,119 km (0.092 R)
• M3: 768,783 km (0.03 R)
• M4: 1,303,895 km (0.112 R)
• M5: 1,662,481 km (0.117 R)
• M6: 1,958,386 km (0.034 R)
• M7: 3,307,459 km (0.096 R)
• M8: 3,817,289 km (0.048 R)
• M9: 4,270,271 km (0.098 R)
• M10: 4,643,817 km (0.097 R)
• M11: 5,175,787 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902

Radius: 12.8

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.07 AU - 1.15 AU

Year: 744 Days

Day: 7.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,677,898 km

• M1: 159,172 km (0.089 R)
• M2: 621,729 km (0.094 R)
• M3: 1,131,558 km (0.095 R)
• M4: 1,596,957 km (0.106 R)
• M5: 2,453,255 km (0.1 R)
• M6: 3,413,375 km (0.114 R)
• M7: 4,295,254 km (0.097 R)
• M8: 4,922,368 km (0.106 R)
• M9: 6,234,342 km (0.104 R)
• M10: 6,994,598 km (0.108 R)
• M11: 8,012,462 km (0.04 R)
• M12: 8,544,282 km (0.114 R)
• M13: 9,208,048 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277

Radius: 11.5

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.85 AU - 1.37 AU

Year: 744 Days

Day: 14.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,677,898 km

• M1: 144,661 km (0.112 R)
• M2: 750,981 km (0.032 R)
• M3: 1,134,401 km (0.068 R)
• M4: 2,316,673 km (0.098 R)
• M5: 3,117,021 km (0.119 R)
• M6: 3,619,820 km (0.068 R)
• M7: 4,331,008 km (0.096 R)
• M8: 5,246,397 km (0.078 R)
• M9: 5,872,315 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.3

Radius: 9.7

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.88 AU - 2.36 AU

Year: 1963 Days

Day: 5.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,677,898 km

• M1: 120,875 km (0.097 R)
• M2: 451,636 km (0.12 R)
• M3: 1,097,450 km (0.097 R)
• M4: 1,511,537 km (0.098 R)
• M5: 3,898,969 km (0.118 R)
• M6: 4,956,776 km (0.114 R)
• M7: 7,199,098 km (0.098 R)
• M8: 7,823,370 km (0.048 R)
• M9: 9,590,121 km (0.09 R)
• M10: 10,278,720 km (0.094 R)
• M11: 11,390,980 km (0.097 R)
• M12: 12,581,630 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.2

Radius: 9.7

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.4 AU - 2.72 AU

Year: 2604 Days

Day: 10.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,677,898 km

• M1: 120,875 km (0.092 R)
• M2: 1,095,655 km (0.079 R)
• M3: 1,757,027 km (0.095 R)
• M4: 3,216,504 km (0.094 R)
• M5: 3,727,231 km (0.099 R)
• M6: 4,097,186 km (0.095 R)
• M7: 4,603,426 km (0.044 R)
• M8: 5,377,744 km (0.09 R)
• M9: 11,912,478 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.3

Radius: 8.9

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.27 AU - 6.27 AU

Year: 7692 Days

Day: 8.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 41,677,898 km

• M1: 112,049 km (0.103 R)
• M2: 660,923 km (0.109 R)
• M3: 1,635,853 km (0.089 R)
• M4: 2,261,770 km (0.088 R)
• M5: 3,413,524 km (0.113 R)
• M6: 4,180,213 km (0.108 R)
• M7: 4,833,956 km (0.052 R)
• M8: 5,142,576 km (0.103 R)
• M9: 5,554,419 km (0.074 R)
• M10: 7,207,476 km (0.101 R)
• M11: 7,837,732 km (0.059 R)
• M12: 9,905,025 km (0.092 R)
• M13: 10,543,658 km (0.085 R)
• M14: 10,968,516 km (0.054 R)
• M15: 12,624,564 km (0.053 R)
• M16: 13,873,407 km (0.074 R)
• M17: 14,383,686 km (0.095 R)
• M18: 15,024,413 km (0.091 R)
• M19: 15,442,091 km (0.087 R)
• M20: 16,614,489 km (0.11 R)
• M21: 17,254,918 km (0.067 R)
• M22: 17,978,373 km (0.075 R)
• M23: 18,790,390 km (0.085 R)
• M24: 19,485,571 km (0.091 R)
• M25: 20,487,578 km (0.029 R)
• M26: 22,671,707 km (0.076 R)
• M27: 24,675,421 km (0.045 R)
• M28: 28,665,794 km (0.075 R)
• M29: 29,216,015 km (0.106 R)
• M30: 30,813,571 km (0.08 R)
• M31: 33,671,638 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.4

Radius: 10.6

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.52 AU - 6.18 AU

Year: 7868 Days

Day: 11.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 41,677,898 km

• M1: 132,095 km (0.059 R)
• M2: 724,802 km (0.086 R)
• M3: 1,054,815 km (0.06 R)
• M4: 1,465,162 km (0.026 R)
• M5: 2,102,299 km (0.109 R)
• M6: 2,858,067 km (0.069 R)
• M7: 3,278,288 km (0.036 R)
• M8: 4,071,007 km (0.113 R)
• M9: 4,931,045 km (0.067 R)
• M10: 5,629,517 km (0.118 R)
• M11: 7,115,772 km (0.113 R)
• M12: 8,602,326 km (0.118 R)
• M13: 9,183,514 km (0.083 R)
• M14: 9,879,443 km (0.098 R)
• M15: 10,798,423 km (0.05 R)
• M16: 11,874,181 km (0.09 R)
• M17: 15,110,582 km (0.105 R)
• M18: 16,771,118 km (0.119 R)
• M19: 17,285,735 km (0.051 R)
• M20: 17,744,701 km (0.104 R)
• M21: 18,482,069 km (0.12 R)
• M22: 19,661,947 km (0.1 R)
• M23: 24,147,191 km (0.086 R)
• M24: 24,969,530 km (0.112 R)
• M25: 25,303,732 km (0.077 R)
• M26: 25,895,691 km (0.074 R)
• M27: 26,844,440 km (0.11 R)
• M28: 27,371,623 km (0.114 R)
• M29: 30,872,513 km (0.044 R)
• M30: 32,135,717 km (0.085 R)
• M31: 33,635,585 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.1

Radius: 9.2

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.15 AU - 5.75 AU

Year: 8090 Days

Day: 13.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,677,898 km

• M1: 114,442 km (0.039 R)
• M2: 556,953 km (0.077 R)
• M3: 950,844 km (0.093 R)
• M4: 1,621,641 km (0.117 R)
• M5: 2,542,117 km (0.036 R)
• M6: 2,978,942 km (0.053 R)
• M7: 4,797,753 km (0.089 R)
• M8: 5,094,705 km (0.099 R)
• M9: 5,924,973 km (0.114 R)
• M10: 8,182,106 km (0.112 R)
• M11: 9,548,533 km (0.069 R)
• M12: 10,457,789 km (0.113 R)
• M13: 10,756,685 km (0.096 R)
• M14: 11,581,568 km (0.11 R)
• M15: 13,125,717 km (0.112 R)
• M16: 13,532,324 km (0.109 R)
• M17: 18,942,082 km (0.047 R)
• M18: 19,386,837 km (0.031 R)
• M19: 25,820,144 km (0.034 R)
• M20: 27,578,517 km (0.102 R)
• M21: 30,616,700 km (0.08 R)
• M22: 32,268,710 km (0.11 R)
• M23: 33,009,967 km (0.041 R)
• M24: 36,887,095 km (0.089 R)
• M25: 37,931,139 km (0.052 R)
• M26: 40,934,166 km (0.095 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 12,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit