🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.62 AU - 0.72 AU

Year: 208 Days

Day: 35.8 Hours

Environment

Temp: 112 °C

Axial Tilt: 32.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 106,156,916 km

• M1: 110,254 km (0.064 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.68 AU - 1.04 AU

Year: 302 Days

Day: 46.7 Hours

Environment

Temp: 20 °C

Axial Tilt: 37.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.81 AU - 1.03 AU

Year: 334 Days

Day: 17.2 Hours

Environment

Temp: 22 °C

Axial Tilt: 31.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.7

Radius: 14.2

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.44 AU - 8.44 AU

Year: 7686 Days

Day: 9.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 106,156,916 km

• M1: 274,961 km (0.063 R)
• M2: 741,557 km (0.085 R)
• M3: 1,256,473 km (0.109 R)
• M4: 1,814,024 km (0.103 R)
• M5: 8,042,681 km (0.062 R)
• M6: 9,069,221 km (0.095 R)
• M7: 10,461,529 km (0.086 R)
• M8: 11,482,833 km (0.102 R)
• M9: 15,067,946 km (0.107 R)
• M10: 22,653,456 km (0.06 R)
• M11: 23,374,966 km (0.038 R)
• M12: 23,864,600 km (0.11 R)
• M13: 28,306,311 km (0.107 R)
• M14: 30,965,562 km (0.099 R)
• M15: 32,659,010 km (0.05 R)
• M16: 34,308,626 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.4

Radius: 9.4

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 8.91 AU - 9.55 AU

Year: 10621 Days

Day: 11.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 106,156,916 km

• M1: 116,986 km (0.079 R)
• M2: 456,423 km (0.075 R)
• M3: 763,248 km (0.036 R)
• M4: 1,622,987 km (0.067 R)
• M5: 2,331,483 km (0.03 R)
• M6: 2,948,873 km (0.046 R)
• M7: 5,170,850 km (0.102 R)
• M8: 8,858,588 km (0.094 R)
• M9: 10,447,018 km (0.114 R)
• M10: 11,656,367 km (0.065 R)
• M11: 13,447,652 km (0.072 R)
• M12: 16,028,813 km (0.086 R)
• M13: 17,501,754 km (0.11 R)
• M14: 19,985,079 km (0.1 R)
• M15: 21,011,171 km (0.094 R)
• M16: 25,639,130 km (0.095 R)
• M17: 29,949,494 km (0.106 R)
• M18: 32,674,569 km (0.119 R)
• M19: 32,976,158 km (0.047 R)
• M20: 34,407,510 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909

Radius: 6.7

Gravity: 20.25 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 14.58 AU - 21.16 AU

Year: 28611 Days

Day: 16 Hours

Environment

Temp: -198 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 106,156,916 km

• M1: 87,814 km (0.046 R)
• M2: 305,778 km (0.112 R)
• M3: 834,158 km (0.104 R)
• M4: 1,259,614 km (0.07 R)
• M5: 1,586,635 km (0.119 R)
• M6: 2,436,949 km (0.088 R)
• M7: 4,477,015 km (0.07 R)
• M8: 5,241,311 km (0.1 R)
• M9: 8,283,683 km (0.12 R)
• M10: 12,259,695 km (0.101 R)
• M11: 13,502,255 km (0.116 R)
• M12: 15,084,402 km (0.11 R)
• M13: 16,054,694 km (0.073 R)
• M14: 19,316,675 km (0.049 R)
• M15: 19,624,249 km (0.096 R)
• M16: 20,779,593 km (0.041 R)
• M17: 27,629,979 km (0.111 R)
• M18: 28,282,674 km (0.055 R)
• M19: 32,851,094 km (0.119 R)
• M20: 37,410,239 km (0.085 R)
• M21: 39,840,307 km (0.116 R)
• M22: 45,915,775 km (0.107 R)
• M23: 46,647,010 km (0.09 R)
• M24: 50,614,644 km (0.043 R)
• M25: 51,394,947 km (0.11 R)
• M26: 54,801,290 km (0.081 R)
• M27: 57,294,488 km (0.116 R)
• M28: 57,717,252 km (0.115 R)
• M29: 65,455,950 km (0.059 R)
• M30: 66,848,407 km (0.087 R)
• M31: 69,452,457 km (0.09 R)
• M32: 69,692,562 km (0.114 R)
• M33: 72,863,438 km (0.039 R)
• M34: 79,754,066 km (0.034 R)
• M35: 82,144,041 km (0.093 R)
• M36: 82,412,569 km (0.073 R)
• M37: 83,221,445 km (0.102 R)
• M38: 87,905,504 km (0.094 R)
• M39: 99,004,918 km (0.094 R)
• M40: 99,918,961 km (0.104 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 11,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit