🌌 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: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.53 AU - 0.63 AU

Year: 155 Days

Day: 28.4 Hours

Environment

Temp: 198 °C

Axial Tilt: 17.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 29,674,794 km

• M1: 33,211 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.66 AU - 0.86 AU

Year: 232 Days

Day: 14.6 Hours

Environment

Temp: 172 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.28 AU - 1.66 AU

Year: 624 Days

Day: 13.1 Hours

Environment

Temp: 14 °C

Axial Tilt: 33.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 29,674,794 km

• M1: 98,884 km (0.028 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.08 AU - 3.34 AU

Year: 1561 Days

Day: 22.8 Hours

Environment

Temp: -89 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 29,674,794 km

• M1: 39,494 km (0.119 R)
• M2: 195,674 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.95 AU - 4.13 AU

Year: 2330 Days

Day: 23.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,674,794 km

• M1: 1,219,671 km (0.118 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.37 AU - 4.99 AU

Year: 2990 Days

Day: 29.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.96 AU - 5.68 AU

Year: 3702 Days

Day: 46.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,674,794 km

• M1: 1,423,125 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.3

Radius: 8.9

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 10.47 AU - 12.71 AU

Year: 13804 Days

Day: 10.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 29,674,794 km

• M1: 115,490 km (0.098 R)
• M2: 207,193 km (0.107 R)
• M3: 264,339 km (0.035 R)
• M4: 321,037 km (0.118 R)
• M5: 383,569 km (0.06 R)
• M6: 451,187 km (0.093 R)
• M7: 843,283 km (0.091 R)
• M8: 935,735 km (0.083 R)
• M9: 1,017,714 km (0.104 R)
• M10: 1,233,734 km (0.047 R)
• M11: 1,985,014 km (0.047 R)
• M12: 2,463,129 km (0.119 R)
• M13: 2,735,098 km (0.11 R)
• M14: 2,996,445 km (0.099 R)
• M15: 3,266,021 km (0.118 R)
• M16: 3,478,599 km (0.102 R)
• M17: 3,565,067 km (0.095 R)
• M18: 3,695,815 km (0.102 R)
• M19: 3,962,548 km (0.087 R)
• M20: 4,374,092 km (0.102 R)
• M21: 4,444,104 km (0.079 R)
• M22: 5,387,319 km (0.109 R)
• M23: 5,512,682 km (0.108 R)
• M24: 6,075,618 km (0.077 R)
• M25: 6,390,372 km (0.084 R)
• M26: 7,200,744 km (0.105 R)
• M27: 7,730,620 km (0.109 R)
• M28: 8,273,061 km (0.114 R)
• M29: 8,505,088 km (0.083 R)
• M30: 8,916,482 km (0.085 R)
• M31: 9,364,378 km (0.091 R)
• M32: 10,003,909 km (0.092 R)
• M33: 10,500,574 km (0.1 R)
• M34: 10,594,521 km (0.119 R)
• M35: 11,068,896 km (0.11 R)
• M36: 11,647,241 km (0.106 R)
• M37: 13,001,102 km (0.055 R)
• M38: 13,102,081 km (0.084 R)
• M39: 13,169,549 km (0.092 R)
• M40: 13,508,837 km (0.087 R)
• M41: 14,023,005 km (0.078 R)
• M42: 14,613,468 km (0.11 R)
• M43: 15,283,068 km (0.108 R)
• M44: 15,603,656 km (0.075 R)
• M45: 16,251,714 km (0.08 R)
• M46: 16,798,345 km (0.025 R)
• M47: 16,981,901 km (0.043 R)
• M48: 17,351,109 km (0.104 R)
• M49: 17,536,760 km (0.083 R)
• M50: 18,097,453 km (0.083 R)
• M51: 19,236,341 km (0.084 R)
• M52: 20,008,566 km (0.098 R)
• M53: 20,242,237 km (0.069 R)
• M54: 21,225,395 km (0.081 R)
• M55: 21,463,704 km (0.057 R)
• M56: 21,702,911 km (0.099 R)
• M57: 22,385,377 km (0.067 R)
• M58: 23,034,033 km (0.101 R)
• M59: 23,483,724 km (0.104 R)
• M60: 23,730,112 km (0.038 R)
• M61: 24,225,580 km (0.08 R)
• M62: 25,017,102 km (0.093 R)
• M63: 25,394,987 km (0.118 R)
• M64: 25,605,770 km (0.069 R)
• M65: 25,986,646 km (0.068 R)
• M66: 26,497,373 km (0.113 R)
• M67: 26,753,934 km (0.068 R)
• M68: 27,054,326 km (0.036 R)
• M69: 27,485,467 km (0.12 R)
• M70: 28,441,846 km (0.114 R)
• M71: 29,012,113 km (0.088 R)
• M72: 29,144,208 km (0.087 R)
• M73: 29,276,602 km (0.102 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 16,588 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit