🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.01 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.61 AU - 2.41 AU

Year: 1091 Days

Day: 40 Hours

Environment

Temp: -81 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.52 AU - 2.64 AU

Year: 1587 Days

Day: 22 Hours

Environment

Temp: -114 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.9

Radius: 12.6

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.36 AU - 5.64 AU

Year: 4939 Days

Day: 7.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,125,577 km

• M1: 156,779 km (0.076 R)
• M2: 557,701 km (0.074 R)
• M3: 1,115,701 km (0.077 R)
• M4: 2,480,333 km (0.06 R)
• M5: 4,358,983 km (0.108 R)
• M6: 4,924,912 km (0.081 R)
• M7: 6,090,129 km (0.097 R)
• M8: 6,646,933 km (0.117 R)
• M9: 12,172,629 km (0.092 R)
• M10: 15,919,757 km (0.116 R)
• M11: 16,752,119 km (0.052 R)
• M12: 19,990,763 km (0.102 R)
• M13: 21,422,415 km (0.064 R)
• M14: 22,437,137 km (0.032 R)
• M15: 24,343,762 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.6

Radius: 14.9

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.47 AU - 8.55 AU

Year: 7106 Days

Day: 7.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,125,577 km

• M1: 190,737 km (0.107 R)
• M2: 717,471 km (0.08 R)
• M3: 1,284,298 km (0.085 R)
• M4: 2,502,623 km (0.108 R)
• M5: 3,277,390 km (0.074 R)
• M6: 3,894,182 km (0.086 R)
• M7: 6,194,399 km (0.107 R)
• M8: 6,848,890 km (0.094 R)
• M9: 7,653,128 km (0.098 R)
• M10: 8,333,649 km (0.096 R)
• M11: 9,571,421 km (0.12 R)
• M12: 11,062,164 km (0.07 R)
• M13: 13,710,495 km (0.099 R)
• M14: 15,942,196 km (0.112 R)
• M15: 18,980,379 km (0.098 R)
• M16: 19,829,647 km (0.111 R)
• M17: 23,631,228 km (0.099 R)
• M18: 26,020,306 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.8

Radius: 10.6

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.88 AU - 9.44 AU

Year: 9758 Days

Day: 12 Hours

Environment

Temp: -171 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,125,577 km

• M1: 131,796 km (0.08 R)
• M2: 567,874 km (0.068 R)
• M3: 2,439,193 km (0.055 R)
• M4: 2,834,880 km (0.091 R)
• M5: 3,231,763 km (0.102 R)
• M6: 4,840,987 km (0.095 R)
• M7: 6,057,667 km (0.074 R)
• M8: 7,069,547 km (0.092 R)
• M9: 8,190,633 km (0.095 R)
• M10: 8,630,002 km (0.075 R)
• M11: 9,212,087 km (0.079 R)
• M12: 9,998,822 km (0.087 R)
• M13: 10,547,697 km (0.038 R)
• M14: 11,408,633 km (0.092 R)
• M15: 15,446,279 km (0.12 R)
• M16: 17,916,589 km (0.099 R)
• M17: 19,002,520 km (0.11 R)
• M18: 19,845,205 km (0.082 R)
• M19: 21,304,831 km (0.048 R)
• M20: 24,436,812 km (0.072 R)
• M21: 26,978,480 km (0.093 R)
• M22: 28,222,835 km (0.119 R)
• M23: 29,878,435 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.8

Radius: 14

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 11.36 AU - 11.58 AU

Year: 14874 Days

Day: 6 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,125,577 km

• M1: 174,282 km (0.077 R)
• M2: 726,298 km (0.084 R)
• M3: 1,502,262 km (0.111 R)
• M4: 2,701,289 km (0.065 R)
• M5: 3,348,300 km (0.113 R)
• M6: 3,921,559 km (0.111 R)
• M7: 4,402,067 km (0.069 R)
• M8: 4,921,770 km (0.111 R)
• M9: 5,629,368 km (0.072 R)
• M10: 6,085,791 km (0.091 R)
• M11: 6,775,138 km (0.103 R)
• M12: 7,336,878 km (0.112 R)
• M13: 7,836,385 km (0.107 R)
• M14: 8,703,155 km (0.074 R)
• M15: 9,740,018 km (0.119 R)
• M16: 10,742,324 km (0.091 R)
• M17: 11,629,140 km (0.055 R)
• M18: 14,233,340 km (0.118 R)
• M19: 15,450,169 km (0.069 R)
• M20: 16,350,000 km (0.108 R)
• M21: 19,517,137 km (0.111 R)
• M22: 20,927,695 km (0.093 R)
• M23: 22,122,982 km (0.082 R)
• M24: 30,501,211 km (0.055 R)
• M25: 34,879,492 km (0.053 R)
• M26: 35,647,976 km (0.119 R)
• M27: 37,618,180 km (0.067 R)
• M28: 39,798,868 km (0.055 R)
• M29: 42,206,945 km (0.095 R)
• M30: 53,488,120 km (0.042 R)
• M31: 58,189,682 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.8

Radius: 7.8

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 17.35 AU - 18.69 AU

Year: 29289 Days

Day: 23.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 126.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,125,577 km

• M1: 120,576 km (0.106 R)
• M2: 1,150,108 km (0.109 R)
• M3: 1,572,274 km (0.099 R)
• M4: 4,090,903 km (0.11 R)
• M5: 4,403,264 km (0.091 R)
• M6: 7,405,843 km (0.108 R)
• M7: 9,090,614 km (0.045 R)
• M8: 11,486,125 km (0.068 R)
• M9: 12,465,841 km (0.04 R)
• M10: 13,050,170 km (0.114 R)
• M11: 17,662,721 km (0.074 R)
• M12: 20,431,479 km (0.12 R)
• M13: 30,712,892 km (0.111 R)
• M14: 42,820,296 km (0.079 R)
• M15: 47,412,203 km (0.061 R)
• M16: 51,760,414 km (0.065 R)
• M17: 52,134,409 km (0.096 R)
• M18: 60,823,652 km (0.108 R)
• M19: 74,396,966 km (0.081 R)
• M20: 79,004,131 km (0.107 R)
• M21: 79,997,761 km (0.103 R)
• M22: 83,797,846 km (0.095 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 12,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit