🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.7

Radius: 8.4

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.73 AU - 0.83 AU

Year: 452 Days

Day: 5.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,980,380 km

• M1: 104,868 km (0.102 R)
• M2: 382,671 km (0.087 R)
• M3: 812,616 km (0.087 R)
• M4: 1,213,388 km (0.065 R)
• M5: 1,986,510 km (0.088 R)
• M6: 3,149,484 km (0.102 R)
• M7: 3,561,177 km (0.087 R)
• M8: 4,046,323 km (0.118 R)
• M9: 4,602,378 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.5

Radius: 9.6

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.15 AU - 3.29 AU

Year: 2943 Days

Day: 11.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,980,380 km

• M1: 120,277 km (0.099 R)
• M2: 446,250 km (0.082 R)
• M3: 943,813 km (0.09 R)
• M4: 1,528,741 km (0.119 R)
• M5: 1,999,824 km (0.09 R)
• M6: 2,444,579 km (0.098 R)
• M7: 3,187,033 km (0.086 R)
• M8: 3,602,616 km (0.099 R)
• M9: 4,072,802 km (0.117 R)
• M10: 5,158,733 km (0.114 R)
• M11: 5,781,210 km (0.053 R)
• M12: 6,248,703 km (0.071 R)
• M13: 7,203,736 km (0.051 R)
• M14: 7,716,408 km (0.12 R)
• M15: 8,406,652 km (0.072 R)
• M16: 8,814,606 km (0.027 R)
• M17: 9,468,199 km (0.079 R)
• M18: 10,436,845 km (0.084 R)
• M19: 10,798,423 km (0.098 R)
• M20: 11,168,379 km (0.049 R)
• M21: 11,661,902 km (0.117 R)
• M22: 14,528,796 km (0.063 R)
• M23: 15,768,513 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.3

Radius: 10.5

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.73 AU - 5.03 AU

Year: 7072 Days

Day: 8.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 84,980,380 km

• M1: 131,048 km (0.052 R)
• M2: 536,159 km (0.095 R)
• M3: 1,054,964 km (0.102 R)
• M4: 1,797,269 km (0.087 R)
• M5: 2,173,807 km (0.1 R)
• M6: 2,764,868 km (0.116 R)
• M7: 3,546,666 km (0.11 R)
• M8: 4,121,272 km (0.072 R)
• M9: 4,469,536 km (0.118 R)
• M10: 5,169,055 km (0.106 R)
• M11: 6,223,870 km (0.085 R)
• M12: 8,202,152 km (0.049 R)
• M13: 9,083,284 km (0.118 R)
• M14: 9,676,289 km (0.102 R)
• M15: 10,567,743 km (0.066 R)
• M16: 12,514,161 km (0.111 R)
• M17: 13,302,093 km (0.09 R)
• M18: 14,178,737 km (0.076 R)
• M19: 14,861,052 km (0.07 R)
• M20: 15,565,210 km (0.059 R)
• M21: 17,040,095 km (0.079 R)
• M22: 18,338,605 km (0.107 R)
• M23: 22,324,341 km (0.036 R)
• M24: 23,404,288 km (0.114 R)
• M25: 24,196,708 km (0.074 R)
• M26: 25,088,909 km (0.075 R)
• M27: 27,546,354 km (0.033 R)
• M28: 29,790,022 km (0.09 R)
• M29: 31,574,725 km (0.085 R)
• M30: 32,152,921 km (0.062 R)
• M31: 33,033,304 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.6

Radius: 6.4

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.42 AU - 6.7 AU

Year: 9786 Days

Day: 16.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,980,380 km

• M1: 79,885 km (0.057 R)
• M2: 377,136 km (0.084 R)
• M3: 639,980 km (0.103 R)
• M4: 1,184,067 km (0.119 R)
• M5: 1,873,863 km (0.07 R)
• M6: 2,100,952 km (0.065 R)
• M7: 2,509,355 km (0.086 R)
• M8: 3,675,470 km (0.084 R)
• M9: 5,908,368 km (0.09 R)
• M10: 7,711,770 km (0.107 R)
• M11: 8,223,694 km (0.069 R)
• M12: 10,455,994 km (0.069 R)
• M13: 12,215,564 km (0.104 R)
• M14: 27,147,825 km (0.113 R)
• M15: 29,106,959 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.3

Radius: 5.5

Gravity: 23.08 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 10.31 AU - 11.35 AU

Year: 23380 Days

Day: 24.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,980,380 km

• M1: 69,713 km (0.059 R)
• M2: 397,033 km (0.055 R)
• M3: 737,518 km (0.096 R)
• M4: 2,929,725 km (0.106 R)
• M5: 3,997,106 km (0.099 R)
• M6: 12,781,492 km (0.095 R)
• M7: 12,998,260 km (0.069 R)
• M8: 14,821,110 km (0.091 R)
• M9: 16,043,175 km (0.048 R)
• M10: 16,295,397 km (0.072 R)
• M11: 19,819,623 km (0.078 R)
• M12: 25,039,243 km (0.114 R)
• M13: 31,105,885 km (0.094 R)
• M14: 45,865,959 km (0.067 R)
• M15: 46,204,350 km (0.075 R)
• M16: 51,482,312 km (0.08 R)
• M17: 56,952,807 km (0.1 R)
• M18: 59,125,267 km (0.091 R)
• M19: 68,809,485 km (0.1 R)
• M20: 70,594,936 km (0.12 R)
• M21: 72,182,319 km (0.119 R)
• M22: 82,708,324 km (0.11 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: 466 - 16,276 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit