🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.66 AU - 3.3 AU

Year: 1800 Days

Day: 43.7 Hours

Environment

Temp: -81 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.95 AU - 5.65 AU

Year: 3679 Days

Day: 12.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.9

Radius: 8.1

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.55 AU - 7.39 AU

Year: 5757 Days

Day: 10.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,042,277 km

• M1: 103,671 km (0.071 R)
• M2: 579,841 km (0.109 R)
• M3: 1,016,069 km (0.12 R)
• M4: 1,755,980 km (0.096 R)
• M5: 2,301,264 km (0.095 R)
• M6: 3,132,131 km (0.059 R)
• M7: 4,129,500 km (0.069 R)
• M8: 4,604,174 km (0.083 R)
• M9: 5,068,974 km (0.106 R)
• M10: 7,073,885 km (0.029 R)
• M11: 7,876,477 km (0.063 R)
• M12: 9,662,078 km (0.084 R)
• M13: 13,564,039 km (0.056 R)
• M14: 14,611,972 km (0.112 R)
• M15: 15,084,103 km (0.089 R)
• M16: 17,388,060 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 12.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.1

Radius: 12.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 10.67 AU - 14.31 AU

Year: 15443 Days

Day: 14.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 86,042,277 km

• M1: 160,519 km (0.09 R)
• M2: 733,030 km (0.063 R)
• M3: 1,178,083 km (0.074 R)
• M4: 1,776,325 km (0.079 R)
• M5: 2,700,990 km (0.096 R)
• M6: 3,896,277 km (0.116 R)
• M7: 6,156,850 km (0.093 R)
• M8: 7,303,966 km (0.119 R)
• M9: 8,444,351 km (0.035 R)
• M10: 8,882,822 km (0.084 R)
• M11: 9,699,926 km (0.072 R)
• M12: 10,734,844 km (0.103 R)
• M13: 11,425,537 km (0.106 R)
• M14: 11,842,018 km (0.112 R)
• M15: 14,696,794 km (0.085 R)
• M16: 16,209,228 km (0.111 R)
• M17: 17,744,103 km (0.051 R)
• M18: 18,222,816 km (0.113 R)
• M19: 18,957,341 km (0.09 R)
• M20: 23,978,145 km (0.087 R)
• M21: 26,793,278 km (0.049 R)
• M22: 27,743,075 km (0.12 R)
• M23: 28,824,667 km (0.032 R)
• M24: 30,159,380 km (0.081 R)
• M25: 33,554,653 km (0.037 R)
• M26: 45,703,047 km (0.116 R)
• M27: 47,977,234 km (0.101 R)
• M28: 51,609,470 km (0.104 R)
• M29: 56,617,259 km (0.062 R)
• M30: 58,356,185 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574

Radius: 5.6

Gravity: 18.3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 16.5 AU - 19.1 AU

Year: 26273 Days

Day: 20.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,042,277 km

• M1: 70,760 km (0.055 R)
• M2: 530,474 km (0.065 R)
• M3: 810,372 km (0.103 R)
• M4: 1,048,980 km (0.05 R)
• M5: 1,349,522 km (0.102 R)
• M6: 2,188,168 km (0.068 R)
• M7: 2,731,208 km (0.052 R)
• M8: 4,531,170 km (0.092 R)
• M9: 6,576,622 km (0.077 R)
• M10: 7,956,213 km (0.117 R)
• M11: 12,439,213 km (0.099 R)
• M12: 13,234,624 km (0.047 R)
• M13: 15,006,611 km (0.113 R)
• M14: 16,585,018 km (0.08 R)
• M15: 19,297,228 km (0.06 R)
• M16: 21,669,401 km (0.081 R)
• M17: 22,818,762 km (0.041 R)
• M18: 28,067,553 km (0.104 R)
• M19: 30,194,685 km (0.049 R)
• M20: 32,967,631 km (0.094 R)
• M21: 35,191,104 km (0.107 R)
• M22: 37,660,815 km (0.106 R)
• M23: 48,169,318 km (0.078 R)
• M24: 59,864,131 km (0.077 R)
• M25: 62,535,052 km (0.101 R)
• M26: 65,499,034 km (0.066 R)
• M27: 71,022,337 km (0.089 R)
• M28: 75,421,861 km (0.1 R)
• M29: 76,609,070 km (0.057 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 13,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit