🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.29 AU - 1.31 AU

Year: 519 Days

Day: 15 Hours

Environment

Temp: 27 °C

Axial Tilt: 15.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.66 AU - 2.48 AU

Year: 1042 Days

Day: 22 Hours

Environment

Temp: -52 °C

Axial Tilt: 149.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.98 AU - 2.72 AU

Year: 1260 Days

Day: 18.7 Hours

Environment

Temp: -64 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.4 AU - 3.16 AU

Year: 1622 Days

Day: 41.6 Hours

Environment

Temp: -76 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 100,563,817 km

• M1: 644,019 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648

Radius: 3

Gravity: 72 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 18.14 AU - 21.82 AU

Year: 31244 Days

Day: 25 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 100,563,817 km

• M1: 59,091 km (0.093 R)
• M2: 194,178 km (0.077 R)
• M3: 331,210 km (0.039 R)
• M4: 548,875 km (0.059 R)
• M5: 694,733 km (0.111 R)
• M6: 878,289 km (0.102 R)
• M7: 2,220,481 km (0.11 R)
• M8: 2,315,775 km (0.066 R)
• M9: 2,514,441 km (0.119 R)
• M10: 5,729,449 km (0.11 R)
• M11: 6,374,964 km (0.077 R)
• M12: 8,895,837 km (0.078 R)
• M13: 10,275,728 km (0.05 R)
• M14: 11,364,501 km (0.071 R)
• M15: 11,505,722 km (0.103 R)
• M16: 15,778,835 km (0.117 R)
• M17: 16,853,846 km (0.116 R)
• M18: 19,248,160 km (0.11 R)
• M19: 20,369,994 km (0.027 R)
• M20: 20,683,402 km (0.103 R)
• M21: 24,345,109 km (0.11 R)
• M22: 24,579,977 km (0.087 R)
• M23: 26,020,904 km (0.036 R)
• M24: 26,389,663 km (0.079 R)
• M25: 28,676,266 km (0.094 R)
• M26: 28,807,164 km (0.12 R)
• M27: 30,272,027 km (0.056 R)
• M28: 31,091,524 km (0.072 R)
• M29: 33,061,129 km (0.085 R)
• M30: 34,665,866 km (0.06 R)
• M31: 37,246,878 km (0.062 R)
• M32: 40,773,049 km (0.112 R)
• M33: 43,300,804 km (0.09 R)
• M34: 51,121,781 km (0.113 R)
• M35: 53,659,260 km (0.115 R)
• M36: 62,648,895 km (0.114 R)
• M37: 67,382,172 km (0.12 R)
• M38: 69,246,311 km (0.108 R)
• M39: 76,542,798 km (0.052 R)
• M40: 80,116,541 km (0.086 R)
• M41: 80,896,545 km (0.113 R)
• M42: 88,145,459 km (0.048 R)
• M43: 91,501,687 km (0.094 R)
• M44: 92,069,262 km (0.109 R)
• M45: 94,074,023 km (0.093 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 16,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit