🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.1

Radius: 14.5

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.13 AU - 1.71 AU

Year: 1093 Days

Day: 11.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,009,586 km

• M1: 180,415 km (0.104 R)
• M2: 671,246 km (0.104 R)
• M3: 1,139,038 km (0.072 R)
• M4: 1,626,727 km (0.112 R)
• M5: 2,169,768 km (0.064 R)
• M6: 3,272,902 km (0.094 R)
• M7: 4,510,974 km (0.034 R)
• M8: 5,546,341 km (0.076 R)
• M9: 6,061,706 km (0.088 R)
• M10: 7,367,396 km (0.065 R)
• M11: 7,991,817 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.4

Radius: 10.6

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2 AU - 3.16 AU

Year: 2676 Days

Day: 6.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 107.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,009,586 km

• M1: 131,796 km (0.052 R)
• M2: 476,320 km (0.11 R)
• M3: 1,145,770 km (0.119 R)
• M4: 2,589,988 km (0.118 R)
• M5: 3,226,228 km (0.102 R)
• M6: 3,745,183 km (0.03 R)
• M7: 5,045,637 km (0.098 R)
• M8: 5,388,366 km (0.067 R)
• M9: 8,011,116 km (0.106 R)
• M10: 9,036,160 km (0.09 R)
• M11: 10,262,264 km (0.089 R)
• M12: 11,428,529 km (0.116 R)
• M13: 13,087,719 km (0.106 R)
• M14: 14,409,117 km (0.095 R)
• M15: 15,559,375 km (0.065 R)
• M16: 16,555,099 km (0.057 R)
• M17: 19,199,840 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.3

Radius: 8.8

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.46 AU - 4.88 AU

Year: 5498 Days

Day: 6.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,009,586 km

• M1: 109,506 km (0.043 R)
• M2: 457,919 km (0.065 R)
• M3: 922,420 km (0.117 R)
• M4: 1,409,362 km (0.1 R)
• M5: 2,202,829 km (0.074 R)
• M6: 2,673,464 km (0.097 R)
• M7: 2,969,069 km (0.059 R)
• M8: 3,325,261 km (0.108 R)
• M9: 4,617,787 km (0.107 R)
• M10: 5,202,864 km (0.119 R)
• M11: 5,555,018 km (0.066 R)
• M12: 5,951,901 km (0.119 R)
• M13: 8,336,641 km (0.118 R)
• M14: 10,594,521 km (0.109 R)
• M15: 13,281,598 km (0.081 R)
• M16: 14,304,997 km (0.111 R)
• M17: 15,270,053 km (0.094 R)
• M18: 17,629,511 km (0.059 R)
• M19: 20,288,314 km (0.062 R)
• M20: 21,436,477 km (0.102 R)
• M21: 24,159,159 km (0.097 R)
• M22: 25,992,630 km (0.071 R)
• M23: 26,544,497 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.2

Radius: 7.8

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.99 AU - 9.19 AU

Year: 16256 Days

Day: 16.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,009,586 km

• M1: 96,939 km (0.044 R)
• M2: 374,443 km (0.1 R)
• M3: 720,613 km (0.106 R)
• M4: 1,038,808 km (0.113 R)
• M5: 1,436,289 km (0.036 R)
• M6: 1,949,410 km (0.111 R)
• M7: 3,165,641 km (0.025 R)
• M8: 3,674,722 km (0.114 R)
• M9: 5,497,722 km (0.039 R)
• M10: 9,531,329 km (0.109 R)
• M11: 10,590,332 km (0.075 R)
• M12: 12,081,823 km (0.089 R)
• M13: 13,129,756 km (0.067 R)
• M14: 15,264,518 km (0.072 R)
• M15: 20,634,782 km (0.057 R)
• M16: 21,859,690 km (0.096 R)
• M17: 23,132,468 km (0.091 R)
• M18: 25,725,299 km (0.08 R)
• M19: 29,475,268 km (0.084 R)
• M20: 31,937,799 km (0.114 R)
• M21: 32,866,203 km (0.107 R)
• M22: 43,021,804 km (0.042 R)
• M23: 46,477,216 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.1

Radius: 4

Gravity: 38.51 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.31 AU - 12.03 AU

Year: 19416 Days

Day: 15.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,009,586 km

• M1: 54,005 km (0.079 R)
• M2: 287,826 km (0.068 R)
• M3: 936,782 km (0.093 R)
• M4: 1,147,416 km (0.116 R)
• M5: 1,530,087 km (0.091 R)
• M6: 1,916,050 km (0.12 R)
• M7: 2,091,378 km (0.094 R)
• M8: 5,771,037 km (0.112 R)
• M9: 6,096,412 km (0.075 R)
• M10: 7,425,889 km (0.093 R)
• M11: 7,713,266 km (0.07 R)
• M12: 9,595,357 km (0.11 R)
• M13: 11,255,445 km (0.08 R)
• M14: 12,285,127 km (0.075 R)
• M15: 13,446,455 km (0.078 R)
• M16: 17,282,892 km (0.05 R)
• M17: 17,787,187 km (0.1 R)
• M18: 20,457,060 km (0.12 R)
• M19: 21,021,343 km (0.068 R)
• M20: 22,876,506 km (0.095 R)
• M21: 23,484,173 km (0.074 R)
• M22: 25,372,098 km (0.095 R)
• M23: 27,020,667 km (0.066 R)
• M24: 29,327,915 km (0.09 R)
• M25: 32,901,808 km (0.114 R)
• M26: 38,433,937 km (0.085 R)
• M27: 39,436,542 km (0.111 R)
• M28: 40,456,351 km (0.111 R)
• M29: 40,603,405 km (0.039 R)
• M30: 44,242,074 km (0.118 R)
• M31: 50,267,877 km (0.053 R)
• M32: 56,450,308 km (0.112 R)
• M33: 61,163,688 km (0.062 R)
• M34: 66,132,581 km (0.117 R)
• M35: 69,450,063 km (0.073 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 17,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit