🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.7

Radius: 10.9

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.86 AU - 1.24 AU

Year: 695 Days

Day: 5.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,236,821 km

• M1: 135,536 km (0.072 R)
• M2: 738,864 km (0.081 R)
• M3: 1,499,270 km (0.118 R)
• M4: 2,148,973 km (0.098 R)
• M5: 2,565,454 km (0.094 R)
• M6: 3,787,668 km (0.088 R)
• M7: 4,429,892 km (0.083 R)
• M8: 5,193,589 km (0.103 R)
• M9: 6,024,306 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.5

Radius: 9

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.61 AU - 2.33 AU

Year: 1785 Days

Day: 5.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,236,821 km

• M1: 111,899 km (0.117 R)
• M2: 482,902 km (0.112 R)
• M3: 1,060,051 km (0.084 R)
• M4: 1,359,845 km (0.079 R)
• M5: 2,347,191 km (0.064 R)
• M6: 2,649,827 km (0.086 R)
• M7: 2,936,157 km (0.083 R)
• M8: 3,653,180 km (0.116 R)
• M9: 4,463,402 km (0.1 R)
• M10: 5,115,200 km (0.114 R)
• M11: 5,540,208 km (0.072 R)
• M12: 5,851,521 km (0.059 R)
• M13: 6,292,834 km (0.088 R)
• M14: 7,268,512 km (0.11 R)
• M15: 7,917,019 km (0.076 R)
• M16: 8,198,412 km (0.061 R)
• M17: 9,580,248 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.9

Radius: 14.3

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.3 AU - 4.3 AU

Year: 5757 Days

Day: 8.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,236,821 km

• M1: 189,391 km (0.116 R)
• M2: 790,625 km (0.12 R)
• M3: 1,355,058 km (0.117 R)
• M4: 1,831,228 km (0.091 R)
• M5: 4,088,659 km (0.103 R)
• M6: 4,552,413 km (0.064 R)
• M7: 5,932,752 km (0.105 R)
• M8: 8,402,314 km (0.096 R)
• M9: 11,292,994 km (0.062 R)
• M10: 12,160,661 km (0.071 R)
• M11: 12,853,898 km (0.094 R)
• M12: 14,613,618 km (0.114 R)
• M13: 17,380,430 km (0.103 R)
• M14: 18,054,967 km (0.081 R)
• M15: 18,676,995 km (0.103 R)
• M16: 22,953,848 km (0.084 R)
• M17: 24,179,653 km (0.114 R)
• M18: 26,407,016 km (0.114 R)
• M19: 30,096,249 km (0.108 R)
• M20: 32,063,910 km (0.098 R)
• M21: 32,874,431 km (0.093 R)
• M22: 34,748,444 km (0.118 R)
• M23: 35,819,714 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920

Radius: 14.7

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.78 AU - 6.6 AU

Year: 8764 Days

Day: 12.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,236,821 km

• M1: 185,651 km (0.118 R)
• M2: 717,920 km (0.084 R)
• M3: 1,335,311 km (0.105 R)
• M4: 1,839,007 km (0.095 R)
• M5: 2,957,700 km (0.093 R)
• M6: 3,556,989 km (0.109 R)
• M7: 4,697,672 km (0.072 R)
• M8: 5,824,443 km (0.072 R)
• M9: 8,565,525 km (0.106 R)
• M10: 9,694,241 km (0.099 R)
• M11: 10,656,604 km (0.089 R)
• M12: 14,117,102 km (0.073 R)
• M13: 15,622,805 km (0.09 R)
• M14: 19,106,790 km (0.112 R)
• M15: 19,654,916 km (0.026 R)
• M16: 20,133,031 km (0.057 R)
• M17: 23,790,699 km (0.116 R)
• M18: 25,539,947 km (0.12 R)
• M19: 26,014,172 km (0.118 R)
• M20: 27,472,303 km (0.067 R)
• M21: 28,474,309 km (0.105 R)
• M22: 29,813,060 km (0.11 R)
• M23: 32,284,118 km (0.081 R)
• M24: 33,399,819 km (0.107 R)
• M25: 33,967,393 km (0.044 R)
• M26: 35,121,690 km (0.093 R)
• M27: 38,245,144 km (0.112 R)
• M28: 41,811,258 km (0.098 R)
• M29: 47,139,785 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.8

Radius: 3.3

Gravity: 55.72 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.17 AU - 9.71 AU

Year: 17259 Days

Day: 23 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,236,821 km

• M1: 40,990 km (0.119 R)
• M2: 327,769 km (0.093 R)
• M3: 440,117 km (0.105 R)
• M4: 662,868 km (0.105 R)
• M5: 1,432,848 km (0.061 R)
• M6: 1,993,990 km (0.11 R)
• M7: 2,169,768 km (0.095 R)
• M8: 2,398,353 km (0.1 R)
• M9: 2,952,763 km (0.031 R)
• M10: 3,259,887 km (0.088 R)
• M11: 4,341,480 km (0.116 R)
• M12: 5,340,943 km (0.03 R)
• M13: 5,603,338 km (0.113 R)
• M14: 6,611,179 km (0.08 R)
• M15: 7,407,638 km (0.053 R)
• M16: 7,924,648 km (0.105 R)
• M17: 8,616,987 km (0.061 R)
• M18: 9,295,114 km (0.045 R)
• M19: 9,840,398 km (0.114 R)
• M20: 10,994,396 km (0.1 R)
• M21: 14,627,231 km (0.062 R)
• M22: 17,475,275 km (0.025 R)
• M23: 18,985,615 km (0.084 R)
• M24: 27,412,613 km (0.09 R)
• M25: 28,529,660 km (0.104 R)
• M26: 29,560,689 km (0.042 R)
• M27: 29,909,701 km (0.07 R)
• M28: 33,051,406 km (0.074 R)
• M29: 34,315,956 km (0.037 R)
• M30: 36,140,153 km (0.079 R)
• M31: 37,482,046 km (0.043 R)
• M32: 41,852,248 km (0.107 R)
• M33: 45,924,901 km (0.094 R)
• M34: 48,944,085 km (0.116 R)
• M35: 49,106,548 km (0.093 R)
• M36: 55,022,246 km (0.076 R)
• M37: 61,395,265 km (0.111 R)
• M38: 66,038,484 km (0.06 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: 391 - 17,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit