🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.52 AU - 0.62 AU

Year: 162 Days

Day: 41.2 Hours

Environment

Temp: 225 °C

Axial Tilt: 16.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 69,563,353 km

• M1: 270,473 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.71 AU - 1.17 AU

Year: 343 Days

Day: 23.4 Hours

Environment

Temp: 20 °C

Axial Tilt: 8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 69,563,353 km

• M1: 590,463 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.3

Radius: 14.4

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 9.12 AU - 11.72 AU

Year: 12671 Days

Day: 12.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,563,353 km

• M1: 179,069 km (0.12 R)
• M2: 755,170 km (0.061 R)
• M3: 1,263,653 km (0.087 R)
• M4: 2,302,162 km (0.034 R)
• M5: 2,823,809 km (0.112 R)
• M6: 3,554,894 km (0.119 R)
• M7: 5,019,009 km (0.11 R)
• M8: 5,684,569 km (0.085 R)
• M9: 6,448,267 km (0.118 R)
• M10: 7,586,856 km (0.029 R)
• M11: 8,087,560 km (0.101 R)
• M12: 9,206,552 km (0.053 R)
• M13: 10,989,160 km (0.118 R)
• M14: 13,777,964 km (0.105 R)
• M15: 15,734,554 km (0.049 R)
• M16: 19,679,301 km (0.075 R)
• M17: 20,193,169 km (0.118 R)
• M18: 20,892,240 km (0.089 R)
• M19: 21,607,468 km (0.092 R)
• M20: 22,154,547 km (0.104 R)
• M21: 22,710,902 km (0.12 R)
• M22: 27,716,297 km (0.072 R)
• M23: 29,685,154 km (0.105 R)
• M24: 37,181,354 km (0.075 R)
• M25: 48,133,713 km (0.084 R)
• M26: 54,088,008 km (0.118 R)
• M27: 56,291,584 km (0.093 R)
• M28: 58,907,902 km (0.077 R)
• M29: 59,440,769 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.9

Radius: 4.4

Gravity: 35.95 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 10.24 AU - 13.62 AU

Year: 15523 Days

Day: 23.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 94.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,563,353 km

• M1: 54,753 km (0.097 R)
• M2: 400,623 km (0.096 R)
• M3: 761,004 km (0.051 R)
• M4: 914,043 km (0.084 R)
• M5: 1,087,726 km (0.098 R)
• M6: 1,728,753 km (0.086 R)
• M7: 1,868,178 km (0.095 R)
• M8: 2,110,826 km (0.09 R)
• M9: 2,250,102 km (0.07 R)
• M10: 2,395,511 km (0.109 R)
• M11: 2,659,401 km (0.094 R)
• M12: 4,154,782 km (0.106 R)
• M13: 4,406,405 km (0.092 R)
• M14: 4,668,052 km (0.079 R)
• M15: 4,871,056 km (0.072 R)
• M16: 5,781,060 km (0.105 R)
• M17: 6,015,330 km (0.088 R)
• M18: 7,016,140 km (0.117 R)
• M19: 7,193,114 km (0.071 R)
• M20: 7,373,081 km (0.117 R)
• M21: 8,269,172 km (0.12 R)
• M22: 9,718,775 km (0.119 R)
• M23: 10,618,906 km (0.114 R)
• M24: 13,788,735 km (0.106 R)
• M25: 14,207,011 km (0.117 R)
• M26: 19,468,069 km (0.102 R)
• M27: 21,536,708 km (0.1 R)
• M28: 23,648,282 km (0.073 R)
• M29: 24,449,079 km (0.094 R)
• M30: 29,179,364 km (0.1 R)
• M31: 31,397,900 km (0.064 R)
• M32: 31,758,132 km (0.112 R)
• M33: 36,167,230 km (0.032 R)
• M34: 36,961,744 km (0.067 R)
• M35: 43,296,167 km (0.119 R)
• M36: 54,872,948 km (0.111 R)
• M37: 56,097,556 km (0.101 R)
• M38: 60,064,891 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.7

Radius: 7.6

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 13.86 AU - 14.68 AU

Year: 20308 Days

Day: 23.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,563,353 km

• M1: 94,546 km (0.042 R)
• M2: 384,467 km (0.118 R)
• M3: 625,618 km (0.069 R)
• M4: 1,343,838 km (0.102 R)
• M5: 3,966,887 km (0.106 R)
• M6: 5,095,603 km (0.101 R)
• M7: 5,971,947 km (0.076 R)
• M8: 6,216,240 km (0.11 R)
• M9: 6,595,172 km (0.052 R)
• M10: 10,262,264 km (0.064 R)
• M11: 16,650,841 km (0.072 R)
• M12: 22,325,537 km (0.043 R)
• M13: 25,168,944 km (0.045 R)
• M14: 27,678,149 km (0.098 R)
• M15: 28,819,431 km (0.11 R)
• M16: 31,195,494 km (0.08 R)
• M17: 42,008,578 km (0.047 R)
• M18: 42,757,016 km (0.092 R)
• M19: 54,189,136 km (0.118 R)
• M20: 58,533,907 km (0.029 R)
• M21: 62,521,438 km (0.089 R)
• M22: 69,147,427 km (0.097 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 13,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit