🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.2

Radius: 10.8

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.86 AU - 1 AU

Year: 598 Days

Day: 9.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,211,019 km

• M1: 134,339 km (0.067 R)
• M2: 492,177 km (0.061 R)
• M3: 898,784 km (0.047 R)
• M4: 1,283,999 km (0.084 R)
• M5: 1,842,747 km (0.109 R)
• M6: 2,365,890 km (0.057 R)
• M7: 3,097,723 km (0.111 R)
• M8: 4,137,578 km (0.088 R)
• M9: 4,945,855 km (0.071 R)
• M10: 5,717,182 km (0.058 R)
• M11: 6,104,940 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.5

Radius: 13.4

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.64 AU - 1.82 AU

Year: 1517 Days

Day: 11.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,211,019 km

• M1: 166,652 km (0.076 R)
• M2: 663,018 km (0.092 R)
• M3: 2,143,289 km (0.102 R)
• M4: 2,560,517 km (0.038 R)
• M5: 3,389,888 km (0.095 R)
• M6: 4,892,000 km (0.07 R)
• M7: 5,581,945 km (0.079 R)
• M8: 6,602,053 km (0.045 R)
• M9: 8,593,500 km (0.096 R)
• M10: 10,447,167 km (0.087 R)
• M11: 11,308,253 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788

Radius: 10

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.17 AU - 2.23 AU

Year: 2176 Days

Day: 12.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,211,019 km

• M1: 126,560 km (0.095 R)
• M2: 445,203 km (0.035 R)
• M3: 808,876 km (0.073 R)
• M4: 1,170,304 km (0.115 R)
• M5: 2,366,489 km (0.069 R)
• M6: 3,293,397 km (0.116 R)
• M7: 4,220,306 km (0.077 R)
• M8: 4,551,216 km (0.064 R)
• M9: 4,877,190 km (0.114 R)
• M10: 5,288,883 km (0.07 R)
• M11: 6,474,596 km (0.11 R)
• M12: 7,767,869 km (0.088 R)
• M13: 8,427,147 km (0.032 R)
• M14: 13,367,467 km (0.055 R)
• M15: 14,733,296 km (0.103 R)
• M16: 16,696,170 km (0.117 R)
• M17: 17,056,850 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.3

Radius: 13.1

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.71 AU - 2.95 AU

Year: 3175 Days

Day: 7.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 107 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,211,019 km

• M1: 163,062 km (0.074 R)
• M2: 612,005 km (0.12 R)
• M3: 1,027,438 km (0.104 R)
• M4: 1,540,858 km (0.049 R)
• M5: 2,060,411 km (0.108 R)
• M6: 3,420,107 km (0.088 R)
• M7: 4,544,185 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.5

Radius: 7.3

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.62 AU - 9.06 AU

Year: 13261 Days

Day: 16.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,211,019 km

• M1: 91,105 km (0.119 R)
• M2: 335,997 km (0.111 R)
• M3: 584,479 km (0.047 R)
• M4: 1,936,096 km (0.04 R)
• M5: 2,931,520 km (0.081 R)
• M6: 5,233,233 km (0.101 R)
• M7: 5,758,770 km (0.11 R)
• M8: 10,200,929 km (0.073 R)
• M9: 10,973,752 km (0.107 R)
• M10: 12,635,186 km (0.04 R)
• M11: 14,740,028 km (0.058 R)
• M12: 15,083,355 km (0.109 R)
• M13: 17,574,010 km (0.07 R)
• M14: 20,894,783 km (0.062 R)
• M15: 21,841,439 km (0.074 R)
• M16: 22,513,283 km (0.106 R)
• M17: 27,263,464 km (0.08 R)
• M18: 28,129,636 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.2

Radius: 7

Gravity: 15.04 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.35 AU - 10.51 AU

Year: 20867 Days

Day: 16.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,211,019 km

• M1: 89,460 km (0.116 R)
• M2: 586,124 km (0.09 R)
• M3: 1,265,299 km (0.038 R)
• M4: 1,981,125 km (0.08 R)
• M5: 2,712,509 km (0.109 R)
• M6: 3,763,284 km (0.032 R)
• M7: 6,819,718 km (0.097 R)
• M8: 11,288,207 km (0.11 R)
• M9: 11,681,200 km (0.03 R)
• M10: 15,559,076 km (0.077 R)
• M11: 23,970,216 km (0.1 R)
• M12: 31,384,885 km (0.115 R)
• M13: 31,771,895 km (0.093 R)
• M14: 44,103,397 km (0.109 R)
• M15: 49,991,120 km (0.053 R)
• M16: 52,485,815 km (0.12 R)
• M17: 54,317,790 km (0.105 R)
• M18: 57,915,320 km (0.119 R)
• M19: 59,476,373 km (0.1 R)
• M20: 60,865,090 km (0.079 R)
• M21: 61,265,863 km (0.089 R)
• M22: 68,134,649 km (0.06 R)
• M23: 76,892,707 km (0.091 R)
• M24: 79,015,202 km (0.093 R)
• M25: 79,253,362 km (0.095 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 19,158 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit