🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158

Radius: 9.2

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.79 AU - 0.87 AU

Year: 522 Days

Day: 13.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,004,773 km

• M1: 114,442 km (0.087 R)
• M2: 513,121 km (0.116 R)
• M3: 869,164 km (0.103 R)
• M4: 1,288,187 km (0.079 R)
• M5: 1,591,721 km (0.106 R)
• M6: 1,972,298 km (0.079 R)
• M7: 2,565,454 km (0.102 R)
• M8: 2,966,227 km (0.081 R)
• M9: 3,304,019 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.5

Radius: 9.6

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.14 AU - 1.4 AU

Year: 988 Days

Day: 10.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,004,773 km

• M1: 119,529 km (0.115 R)
• M2: 680,072 km (0.058 R)
• M3: 1,029,383 km (0.109 R)
• M4: 1,772,884 km (0.117 R)
• M5: 2,346,891 km (0.057 R)
• M6: 2,672,117 km (0.089 R)
• M7: 3,079,023 km (0.05 R)
• M8: 3,456,309 km (0.064 R)
• M9: 3,804,274 km (0.1 R)
• M10: 4,370,352 km (0.08 R)
• M11: 4,743,150 km (0.102 R)
• M12: 5,285,891 km (0.044 R)
• M13: 5,910,013 km (0.096 R)
• M14: 7,565,015 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.2

Radius: 14

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.89 AU - 2.83 AU

Year: 2503 Days

Day: 6.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,004,773 km

• M1: 176,376 km (0.03 R)
• M2: 640,877 km (0.098 R)
• M3: 1,166,265 km (0.051 R)
• M4: 1,844,841 km (0.112 R)
• M5: 2,747,664 km (0.108 R)
• M6: 3,353,236 km (0.115 R)
• M7: 4,147,751 km (0.116 R)
• M8: 5,423,820 km (0.055 R)
• M9: 6,220,279 km (0.077 R)
• M10: 7,331,792 km (0.062 R)
• M11: 11,262,476 km (0.086 R)
• M12: 12,954,727 km (0.062 R)
• M13: 13,677,135 km (0.116 R)
• M14: 16,786,078 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.1

Radius: 10.1

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.37 AU - 3.19 AU

Year: 3199 Days

Day: 8.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,004,773 km

• M1: 125,662 km (0.096 R)
• M2: 484,548 km (0.081 R)
• M3: 932,892 km (0.106 R)
• M4: 1,481,917 km (0.066 R)
• M5: 2,012,391 km (0.118 R)
• M6: 2,556,927 km (0.085 R)
• M7: 2,908,332 km (0.114 R)
• M8: 3,244,329 km (0.069 R)
• M9: 3,850,799 km (0.105 R)
• M10: 4,491,377 km (0.095 R)
• M11: 5,289,781 km (0.055 R)
• M12: 6,106,136 km (0.089 R)
• M13: 7,221,688 km (0.115 R)
• M14: 7,784,624 km (0.109 R)
• M15: 8,136,179 km (0.079 R)
• M16: 9,583,688 km (0.092 R)
• M17: 11,195,905 km (0.073 R)
• M18: 12,658,074 km (0.07 R)
• M19: 13,435,235 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.7

Radius: 13.6

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.42 AU - 4.04 AU

Year: 4007 Days

Day: 14.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,004,773 km

• M1: 178,470 km (0.085 R)
• M2: 625,319 km (0.1 R)
• M3: 1,198,279 km (0.064 R)
• M4: 1,756,578 km (0.059 R)
• M5: 2,456,397 km (0.11 R)
• M6: 3,185,537 km (0.1 R)
• M7: 4,440,514 km (0.025 R)
• M8: 7,264,173 km (0.071 R)
• M9: 8,995,619 km (0.107 R)
• M10: 10,517,179 km (0.11 R)
• M11: 11,698,254 km (0.07 R)
• M12: 15,171,468 km (0.097 R)
• M13: 18,776,777 km (0.107 R)
• M14: 25,891,352 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.8

Radius: 13.4

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.85 AU - 4.31 AU

Year: 5689 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,004,773 km

• M1: 166,652 km (0.11 R)
• M2: 600,187 km (0.038 R)
• M3: 1,071,121 km (0.077 R)
• M4: 1,496,577 km (0.108 R)
• M5: 2,348,537 km (0.063 R)
• M6: 2,913,718 km (0.119 R)
• M7: 4,320,686 km (0.116 R)
• M8: 5,494,879 km (0.115 R)
• M9: 7,330,445 km (0.098 R)
• M10: 7,999,297 km (0.084 R)
• M11: 9,502,457 km (0.087 R)
• M12: 10,298,467 km (0.046 R)
• M13: 11,872,835 km (0.109 R)
• M14: 15,675,164 km (0.076 R)
• M15: 18,083,091 km (0.089 R)
• M16: 19,795,987 km (0.03 R)
• M17: 23,621,653 km (0.09 R)
• M18: 24,999,450 km (0.111 R)
• M19: 29,087,062 km (0.08 R)
• M20: 29,639,078 km (0.089 R)
• M21: 33,802,088 km (0.066 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 10,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit