🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.73 AU - 1.05 AU

Year: 305 Days

Day: 13.2 Hours

Environment

Temp: 158 °C

Axial Tilt: 48.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 67,875,451 km

• M1: 82,728 km (0.09 R)
• M2: 203,004 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.88 AU - 1.16 AU

Year: 374 Days

Day: 43.3 Hours

Environment

Temp: 28 °C

Axial Tilt: 31.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 67,875,451 km

• M1: 177,124 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.12 AU - 1.66 AU

Year: 596 Days

Day: 25.4 Hours

Environment

Temp: -25 °C

Axial Tilt: 29.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.03 AU - 2.05 AU

Year: 1059 Days

Day: 36.3 Hours

Environment

Temp: -58 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,875,451 km

• M1: 44,879 km (0.09 R)
• M2: 70,461 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.6

Radius: 14.1

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.58 AU - 9.3 AU

Year: 8911 Days

Day: 8.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,875,451 km

• M1: 183,407 km (0.102 R)
• M2: 811,419 km (0.095 R)
• M3: 1,637,349 km (0.116 R)
• M4: 2,201,333 km (0.066 R)
• M5: 2,733,153 km (0.096 R)
• M6: 5,454,338 km (0.092 R)
• M7: 6,297,023 km (0.077 R)
• M8: 7,865,407 km (0.076 R)
• M9: 9,633,804 km (0.029 R)
• M10: 10,262,115 km (0.066 R)
• M11: 10,917,503 km (0.035 R)
• M12: 12,090,350 km (0.12 R)
• M13: 13,642,578 km (0.066 R)
• M14: 16,181,403 km (0.07 R)
• M15: 19,397,758 km (0.115 R)
• M16: 21,115,889 km (0.069 R)
• M17: 21,847,273 km (0.12 R)
• M18: 23,880,308 km (0.096 R)
• M19: 27,067,491 km (0.038 R)
• M20: 29,510,723 km (0.094 R)
• M21: 32,956,561 km (0.049 R)
• M22: 35,853,972 km (0.073 R)
• M23: 36,778,637 km (0.067 R)
• M24: 41,642,362 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.3

Radius: 3.3

Gravity: 56.96 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 11.27 AU - 15.41 AU

Year: 17708 Days

Day: 22 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 67,875,451 km

• M1: 41,289 km (0.037 R)
• M2: 193,580 km (0.1 R)
• M3: 380,278 km (0.064 R)
• M4: 660,325 km (0.075 R)
• M5: 763,398 km (0.099 R)
• M6: 921,373 km (0.101 R)
• M7: 1,890,917 km (0.063 R)
• M8: 2,369,630 km (0.114 R)
• M9: 2,500,977 km (0.065 R)
• M10: 3,205,882 km (0.103 R)
• M11: 3,366,850 km (0.078 R)
• M12: 3,792,755 km (0.086 R)
• M13: 4,682,114 km (0.088 R)
• M14: 8,169,241 km (0.047 R)
• M15: 11,204,282 km (0.063 R)
• M16: 12,406,151 km (0.077 R)
• M17: 14,547,196 km (0.069 R)
• M18: 18,413,254 km (0.074 R)
• M19: 20,443,147 km (0.068 R)
• M20: 20,903,310 km (0.053 R)
• M21: 22,325,238 km (0.088 R)
• M22: 24,217,352 km (0.068 R)
• M23: 25,891,203 km (0.059 R)
• M24: 28,203,238 km (0.072 R)
• M25: 28,430,327 km (0.108 R)
• M26: 28,658,614 km (0.099 R)
• M27: 30,410,255 km (0.061 R)
• M28: 33,485,987 km (0.12 R)
• M29: 33,996,715 km (0.119 R)
• M30: 35,427,618 km (0.084 R)
• M31: 40,823,913 km (0.102 R)
• M32: 48,023,609 km (0.065 R)
• M33: 48,185,325 km (0.113 R)
• M34: 48,509,952 km (0.078 R)
• M35: 49,163,395 km (0.112 R)
• M36: 54,604,120 km (0.092 R)
• M37: 54,780,347 km (0.086 R)
• M38: 60,620,947 km (0.119 R)
• M39: 65,860,762 km (0.045 R)
• M40: 66,863,068 km (0.03 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 15,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit