🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.4

Radius: 11.6

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.45 AU - 0.75 AU

Year: 315 Days

Day: 13.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,835,437 km

• M1: 144,212 km (0.076 R)
• M2: 558,748 km (0.108 R)
• M3: 979,118 km (0.11 R)
• M4: 1,420,282 km (0.104 R)
• M5: 2,083,150 km (0.027 R)
• M6: 3,108,943 km (0.07 R)
• M7: 3,481,591 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.4

Radius: 8.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.79 AU - 0.81 AU

Year: 485 Days

Day: 7.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,835,437 km

• M1: 110,702 km (0.102 R)
• M2: 469,139 km (0.041 R)
• M3: 932,593 km (0.11 R)
• M4: 1,243,607 km (0.1 R)
• M5: 1,611,468 km (0.028 R)
• M6: 2,082,253 km (0.117 R)
• M7: 2,821,715 km (0.103 R)
• M8: 3,278,886 km (0.073 R)
• M9: 3,784,677 km (0.117 R)
• M10: 4,100,178 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.6

Radius: 10.3

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.6 AU - 1 AU

Year: 485 Days

Day: 12.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,835,437 km

• M1: 128,205 km (0.099 R)
• M2: 457,620 km (0.106 R)
• M3: 812,167 km (0.119 R)
• M4: 1,226,254 km (0.105 R)
• M5: 1,847,085 km (0.098 R)
• M6: 2,179,342 km (0.091 R)
• M7: 2,666,283 km (0.101 R)
• M8: 3,257,942 km (0.106 R)
• M9: 3,760,442 km (0.105 R)
• M10: 4,101,974 km (0.094 R)
• M11: 4,547,626 km (0.109 R)
• M12: 4,995,372 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.7

Radius: 8.9

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.23 AU - 1.51 AU

Year: 1088 Days

Day: 6.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,835,437 km

• M1: 110,852 km (0.08 R)
• M2: 459,714 km (0.086 R)
• M3: 817,104 km (0.11 R)
• M4: 1,205,160 km (0.076 R)
• M5: 1,695,991 km (0.109 R)
• M6: 2,065,797 km (0.083 R)
• M7: 3,175,364 km (0.119 R)
• M8: 3,616,828 km (0.101 R)
• M9: 3,900,914 km (0.085 R)
• M10: 4,550,318 km (0.064 R)
• M11: 4,939,123 km (0.086 R)
• M12: 5,471,542 km (0.086 R)
• M13: 6,443,330 km (0.118 R)
• M14: 7,226,176 km (0.081 R)
• M15: 8,231,473 km (0.115 R)
• M16: 8,558,793 km (0.097 R)
• M17: 8,866,516 km (0.072 R)
• M18: 9,925,520 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.2

Radius: 11.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.59 AU - 6.43 AU

Year: 8772 Days

Day: 11.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,835,437 km

• M1: 144,362 km (0.108 R)
• M2: 624,870 km (0.108 R)
• M3: 1,032,375 km (0.045 R)
• M4: 1,586,037 km (0.091 R)
• M5: 2,951,117 km (0.073 R)
• M6: 5,010,481 km (0.069 R)
• M7: 5,684,719 km (0.067 R)
• M8: 6,386,632 km (0.114 R)
• M9: 8,300,139 km (0.101 R)
• M10: 10,172,655 km (0.074 R)
• M11: 10,749,355 km (0.075 R)
• M12: 11,161,198 km (0.104 R)
• M13: 11,871,339 km (0.075 R)
• M14: 13,912,452 km (0.117 R)
• M15: 14,735,091 km (0.046 R)
• M16: 16,780,393 km (0.072 R)
• M17: 17,211,235 km (0.095 R)
• M18: 21,499,308 km (0.107 R)
• M19: 24,356,478 km (0.116 R)
• M20: 27,203,774 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877

Radius: 3.1

Gravity: 91.26 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.27 AU - 8.71 AU

Year: 13903 Days

Day: 15.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 170.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 64,835,437 km

• M1: 42,635 km (0.116 R)
• M2: 613,351 km (0.088 R)
• M3: 826,977 km (0.032 R)
• M4: 1,015,022 km (0.086 R)
• M5: 1,635,254 km (0.114 R)
• M6: 2,083,150 km (0.077 R)
• M7: 2,653,268 km (0.085 R)
• M8: 3,538,289 km (0.068 R)
• M9: 4,908,157 km (0.108 R)
• M10: 5,298,906 km (0.047 R)
• M11: 5,787,044 km (0.116 R)
• M12: 6,939,247 km (0.096 R)
• M13: 7,993,313 km (0.1 R)
• M14: 8,533,212 km (0.11 R)
• M15: 10,298,467 km (0.089 R)
• M16: 12,165,299 km (0.062 R)
• M17: 13,278,905 km (0.046 R)
• M18: 14,104,835 km (0.115 R)
• M19: 14,891,421 km (0.114 R)
• M20: 15,258,384 km (0.064 R)
• M21: 15,858,122 km (0.118 R)
• M22: 17,425,908 km (0.101 R)
• M23: 17,588,072 km (0.079 R)
• M24: 17,998,120 km (0.103 R)
• M25: 19,966,678 km (0.088 R)
• M26: 20,956,867 km (0.084 R)
• M27: 21,232,426 km (0.102 R)
• M28: 22,840,304 km (0.104 R)
• M29: 25,872,353 km (0.116 R)
• M30: 29,735,868 km (0.113 R)
• M31: 33,339,082 km (0.039 R)
• M32: 34,474,231 km (0.057 R)
• M33: 35,896,308 km (0.101 R)
• M34: 37,897,928 km (0.059 R)
• M35: 42,854,853 km (0.078 R)
• M36: 45,718,306 km (0.046 R)
• M37: 47,118,243 km (0.092 R)
• M38: 60,281,060 km (0.071 R)
• M39: 61,399,005 km (0.043 R)
• M40: 61,586,601 km (0.052 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 14,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit