🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.8

Radius: 8.3

Gravity: 11.86 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.48 AU - 0.78 AU

Year: 345 Days

Day: 13.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,400,284 km

• M1: 103,372 km (0.089 R)
• M2: 371,003 km (0.084 R)
• M3: 859,290 km (0.093 R)
• M4: 1,177,634 km (0.101 R)
• M5: 1,629,570 km (0.101 R)
• M6: 2,075,820 km (0.074 R)
• M7: 3,006,618 km (0.107 R)
• M8: 3,371,936 km (0.03 R)
• M9: 3,816,541 km (0.069 R)
• M10: 4,085,967 km (0.113 R)
• M11: 5,001,805 km (0.09 R)
• M12: 5,278,112 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.2

Radius: 10.3

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.59 AU - 0.81 AU

Year: 404 Days

Day: 13.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 67.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,400,284 km

• M1: 128,205 km (0.067 R)
• M2: 465,997 km (0.115 R)
• M3: 818,600 km (0.12 R)
• M4: 1,367,773 km (0.103 R)
• M5: 1,777,372 km (0.079 R)
• M6: 2,194,302 km (0.103 R)
• M7: 2,752,900 km (0.081 R)
• M8: 3,075,882 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.8

Radius: 13.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.66 AU - 1.02 AU

Year: 531 Days

Day: 10 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,400,284 km

• M1: 171,589 km (0.109 R)
• M2: 671,694 km (0.103 R)
• M3: 1,217,427 km (0.12 R)
• M4: 1,650,813 km (0.085 R)
• M5: 2,129,226 km (0.113 R)
• M6: 2,721,484 km (0.105 R)
• M7: 3,732,916 km (0.111 R)
• M8: 4,297,797 km (0.083 R)
• M9: 4,873,151 km (0.057 R)
• M10: 5,383,279 km (0.033 R)
• M11: 6,161,188 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.4

Radius: 14

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.07 AU - 1.11 AU

Year: 786 Days

Day: 11.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,400,284 km

• M1: 174,581 km (0.12 R)
• M2: 679,922 km (0.069 R)
• M3: 1,128,716 km (0.07 R)
• M4: 1,582,297 km (0.108 R)
• M5: 2,036,177 km (0.116 R)
• M6: 2,831,289 km (0.094 R)
• M7: 3,295,491 km (0.101 R)
• M8: 4,380,076 km (0.114 R)
• M9: 5,203,164 km (0.055 R)
• M10: 6,311,983 km (0.119 R)
• M11: 7,112,631 km (0.063 R)
• M12: 7,786,569 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.9

Radius: 9.1

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.87 AU - 4.13 AU

Year: 4520 Days

Day: 14.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,400,284 km

• M1: 113,246 km (0.077 R)
• M2: 444,006 km (0.025 R)
• M3: 869,014 km (0.099 R)
• M4: 1,332,618 km (0.108 R)
• M5: 1,983,219 km (0.082 R)
• M6: 2,553,187 km (0.09 R)
• M7: 3,534,549 km (0.113 R)
• M8: 3,882,214 km (0.116 R)
• M9: 4,878,835 km (0.12 R)
• M10: 6,345,792 km (0.088 R)
• M11: 7,231,860 km (0.1 R)
• M12: 7,544,819 km (0.068 R)
• M13: 7,976,259 km (0.08 R)
• M14: 8,272,912 km (0.07 R)
• M15: 9,534,321 km (0.036 R)
• M16: 9,911,158 km (0.09 R)
• M17: 10,210,952 km (0.077 R)
• M18: 11,802,674 km (0.075 R)
• M19: 12,384,609 km (0.111 R)
• M20: 13,036,557 km (0.076 R)
• M21: 13,870,116 km (0.072 R)
• M22: 16,167,790 km (0.109 R)
• M23: 18,002,159 km (0.114 R)
• M24: 22,591,971 km (0.115 R)
• M25: 23,337,866 km (0.104 R)
• M26: 25,513,917 km (0.115 R)
• M27: 28,419,706 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.4

Radius: 6.4

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.96 AU - 8.08 AU

Year: 11492 Days

Day: 15.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 43,400,284 km

• M1: 80,184 km (0.096 R)
• M2: 519,703 km (0.091 R)
• M3: 810,671 km (0.084 R)
• M4: 1,451,548 km (0.085 R)
• M5: 1,802,505 km (0.05 R)
• M6: 2,537,479 km (0.066 R)
• M7: 3,069,748 km (0.098 R)
• M8: 3,339,473 km (0.066 R)
• M9: 6,135,607 km (0.081 R)
• M10: 7,602,863 km (0.048 R)
• M11: 8,310,311 km (0.076 R)
• M12: 8,526,630 km (0.106 R)
• M13: 9,429,303 km (0.119 R)
• M14: 9,807,636 km (0.099 R)
• M15: 10,146,924 km (0.085 R)
• M16: 10,951,911 km (0.102 R)
• M17: 11,212,061 km (0.091 R)
• M18: 11,529,657 km (0.066 R)
• M19: 18,249,743 km (0.043 R)
• M20: 18,763,163 km (0.113 R)
• M21: 20,440,006 km (0.102 R)
• M22: 20,676,071 km (0.113 R)
• M23: 21,884,224 km (0.081 R)
• M24: 22,380,440 km (0.084 R)
• M25: 25,154,134 km (0.111 R)
• M26: 25,425,355 km (0.077 R)
• M27: 28,735,657 km (0.089 R)
• M28: 29,430,539 km (0.05 R)
• M29: 30,034,914 km (0.073 R)
• M30: 31,898,006 km (0.094 R)
• M31: 33,617,634 km (0.104 R)
• M32: 34,278,108 km (0.095 R)
• M33: 37,123,310 km (0.116 R)
• M34: 39,631,917 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374.6

Radius: 4.6

Gravity: 17.7 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.01 AU - 7.15 AU

Year: 11651 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,400,284 km

• M1: 62,682 km (0.094 R)
• M2: 383,569 km (0.088 R)
• M3: 634,145 km (0.057 R)
• M4: 1,979,928 km (0.084 R)
• M5: 3,000,933 km (0.066 R)
• M6: 3,337,678 km (0.076 R)
• M7: 4,850,561 km (0.066 R)
• M8: 6,186,770 km (0.081 R)
• M9: 6,510,051 km (0.059 R)
• M10: 7,874,682 km (0.05 R)
• M11: 9,325,931 km (0.056 R)
• M12: 10,090,077 km (0.091 R)
• M13: 12,631,745 km (0.085 R)
• M14: 14,233,938 km (0.095 R)
• M15: 18,562,852 km (0.1 R)
• M16: 19,767,713 km (0.103 R)
• M17: 37,808,319 km (0.119 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 18,090 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit