🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.18 AU - 1.74 AU

Year: 638 Days

Day: 21.4 Hours

Environment

Temp: -39 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.05 AU - 4.49 AU

Year: 2647 Days

Day: 42.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,546,180 km

• M1: 3,161,901 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.9

Radius: 11.5

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.43 AU - 7.39 AU

Year: 6569 Days

Day: 8.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,546,180 km

• M1: 143,016 km (0.051 R)
• M2: 731,384 km (0.119 R)
• M3: 1,734,887 km (0.059 R)
• M4: 2,610,483 km (0.055 R)
• M5: 3,349,496 km (0.052 R)
• M6: 8,517,504 km (0.063 R)
• M7: 12,836,395 km (0.044 R)
• M8: 15,934,417 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.7

Radius: 9.1

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.32 AU - 10.04 AU

Year: 10892 Days

Day: 13.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 153.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,546,180 km

• M1: 113,246 km (0.047 R)
• M2: 486,791 km (0.049 R)
• M3: 1,112,859 km (0.12 R)
• M4: 2,758,435 km (0.069 R)
• M5: 3,078,275 km (0.062 R)
• M6: 3,738,900 km (0.081 R)
• M7: 4,490,778 km (0.117 R)
• M8: 5,236,973 km (0.054 R)
• M9: 6,769,004 km (0.076 R)
• M10: 7,354,680 km (0.119 R)
• M11: 7,704,290 km (0.117 R)
• M12: 9,882,286 km (0.117 R)
• M13: 10,471,552 km (0.086 R)
• M14: 11,720,096 km (0.097 R)
• M15: 13,644,074 km (0.11 R)
• M16: 14,239,922 km (0.102 R)
• M17: 15,061,214 km (0.098 R)
• M18: 16,132,036 km (0.115 R)
• M19: 16,798,345 km (0.103 R)
• M20: 18,186,015 km (0.086 R)
• M21: 18,665,027 km (0.116 R)
• M22: 19,815,584 km (0.095 R)
• M23: 20,237,899 km (0.119 R)
• M24: 24,408,239 km (0.119 R)
• M25: 27,002,116 km (0.099 R)
• M26: 28,152,823 km (0.063 R)
• M27: 31,229,154 km (0.036 R)
• M28: 32,263,623 km (0.101 R)
• M29: 33,558,991 km (0.12 R)
• M30: 35,011,138 km (0.112 R)
• M31: 43,046,189 km (0.109 R)
• M32: 48,017,925 km (0.083 R)
• M33: 50,641,572 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.7

Radius: 13.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 10.01 AU - 14.79 AU

Year: 15791 Days

Day: 9.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,546,180 km

• M1: 171,140 km (0.073 R)
• M2: 673,190 km (0.084 R)
• M3: 1,487,900 km (0.115 R)
• M4: 2,047,995 km (0.117 R)
• M5: 3,020,680 km (0.106 R)
• M6: 3,602,915 km (0.105 R)
• M7: 8,887,609 km (0.105 R)
• M8: 9,849,673 km (0.086 R)
• M9: 10,335,567 km (0.051 R)
• M10: 14,873,020 km (0.118 R)
• M11: 15,731,413 km (0.056 R)
• M12: 17,546,933 km (0.068 R)
• M13: 20,396,473 km (0.101 R)
• M14: 20,988,132 km (0.071 R)
• M15: 23,114,068 km (0.11 R)
• M16: 24,192,668 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.4

Radius: 4.2

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 9.67 AU - 15.87 AU

Year: 16504 Days

Day: 19.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,546,180 km

• M1: 52,210 km (0.107 R)
• M2: 624,870 km (0.052 R)
• M3: 1,202,019 km (0.109 R)
• M4: 1,757,775 km (0.105 R)
• M5: 3,424,594 km (0.097 R)
• M6: 3,741,293 km (0.093 R)
• M7: 5,624,730 km (0.091 R)
• M8: 9,343,135 km (0.108 R)
• M9: 9,960,226 km (0.074 R)
• M10: 10,453,002 km (0.03 R)
• M11: 11,540,578 km (0.108 R)
• M12: 12,139,418 km (0.076 R)
• M13: 15,124,195 km (0.056 R)
• M14: 16,240,943 km (0.093 R)
• M15: 16,443,648 km (0.111 R)
• M16: 19,460,589 km (0.12 R)
• M17: 29,968,193 km (0.051 R)
• M18: 30,375,249 km (0.071 R)
• M19: 31,828,892 km (0.084 R)
• M20: 33,984,896 km (0.117 R)
• M21: 36,121,453 km (0.111 R)
• M22: 36,930,778 km (0.109 R)
• M23: 39,187,910 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.6

Radius: 4.2

Gravity: 53.61 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 13.48 AU - 14.12 AU

Year: 18540 Days

Day: 17.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,546,180 km

• M1: 53,257 km (0.084 R)
• M2: 237,412 km (0.099 R)
• M3: 407,355 km (0.082 R)
• M4: 745,745 km (0.095 R)
• M5: 1,235,978 km (0.116 R)
• M6: 2,035,728 km (0.12 R)
• M7: 2,714,603 km (0.093 R)
• M8: 8,733,524 km (0.117 R)
• M9: 11,305,111 km (0.112 R)
• M10: 17,438,923 km (0.077 R)
• M11: 20,083,813 km (0.101 R)
• M12: 21,451,437 km (0.105 R)
• M13: 22,465,411 km (0.108 R)
• M14: 22,775,677 km (0.116 R)
• M15: 27,780,175 km (0.104 R)
• M16: 33,335,941 km (0.118 R)
• M17: 34,419,777 km (0.088 R)
• M18: 34,694,289 km (0.111 R)
• M19: 38,250,829 km (0.046 R)
• M20: 50,010,867 km (0.1 R)
• M21: 53,792,253 km (0.069 R)
• M22: 56,036,221 km (0.034 R)
• M23: 57,373,775 km (0.106 R)
• M24: 60,311,130 km (0.092 R)
• M25: 69,941,193 km (0.084 R)

Kuiper Belt

Range: 30.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 12,304 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit