🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.43 AU - 0.61 AU

Year: 132 Days

Day: 15.3 Hours

Environment

Temp: 285 °C

Axial Tilt: 7.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.82 AU - 1.2 AU

Year: 358 Days

Day: 39.2 Hours

Environment

Temp: 124 °C

Axial Tilt: 45.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.03 AU - 1.19 AU

Year: 413 Days

Day: 46.2 Hours

Environment

Temp: 28 °C

Axial Tilt: 9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 109,220,979 km

• M1: 240,853 km (0.072 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.2 AU - 1.46 AU

Year: 542 Days

Day: 43.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 6.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.45 AU - 5.65 AU

Year: 4007 Days

Day: 35.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 13.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.4

Radius: 5.1

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 13.17 AU - 14.41 AU

Year: 18082 Days

Day: 17.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 109,220,979 km

• M1: 63,878 km (0.067 R)
• M2: 483,052 km (0.105 R)
• M3: 844,330 km (0.094 R)
• M4: 1,725,163 km (0.112 R)
• M5: 2,800,771 km (0.105 R)
• M6: 6,564,205 km (0.065 R)
• M7: 7,936,167 km (0.077 R)
• M8: 8,231,922 km (0.114 R)
• M9: 9,630,662 km (0.076 R)
• M10: 14,956,047 km (0.12 R)
• M11: 19,048,147 km (0.102 R)
• M12: 20,040,430 km (0.052 R)
• M13: 43,482,267 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.1

Radius: 5.6

Gravity: 25.64 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 11.62 AU - 18.32 AU

Year: 20452 Days

Day: 17.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 109,220,979 km

• M1: 75,697 km (0.094 R)
• M2: 261,198 km (0.113 R)
• M3: 593,455 km (0.095 R)
• M4: 802,144 km (0.106 R)
• M5: 1,223,262 km (0.111 R)
• M6: 1,516,922 km (0.105 R)
• M7: 1,707,660 km (0.053 R)
• M8: 3,021,578 km (0.091 R)
• M9: 3,835,839 km (0.112 R)
• M10: 4,362,274 km (0.054 R)
• M11: 5,397,342 km (0.072 R)
• M12: 6,496,437 km (0.069 R)
• M13: 11,059,023 km (0.116 R)
• M14: 12,958,467 km (0.06 R)
• M15: 14,751,098 km (0.116 R)
• M16: 15,463,932 km (0.09 R)
• M17: 16,282,531 km (0.085 R)
• M18: 17,216,022 km (0.073 R)
• M19: 17,651,950 km (0.089 R)
• M20: 18,364,635 km (0.055 R)
• M21: 18,728,157 km (0.032 R)
• M22: 19,752,454 km (0.12 R)
• M23: 22,943,825 km (0.111 R)
• M24: 26,578,306 km (0.119 R)
• M25: 27,043,405 km (0.09 R)
• M26: 42,691,044 km (0.105 R)
• M27: 44,623,250 km (0.085 R)
• M28: 45,943,301 km (0.107 R)
• M29: 46,277,204 km (0.098 R)
• M30: 50,590,410 km (0.116 R)
• M31: 52,570,188 km (0.074 R)
• M32: 55,730,592 km (0.03 R)
• M33: 64,912,461 km (0.101 R)
• M34: 67,894,844 km (0.071 R)
• M35: 71,413,835 km (0.051 R)
• M36: 73,217,985 km (0.087 R)
• M37: 75,283,782 km (0.104 R)
• M38: 79,291,210 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.6

Radius: 4.3

Gravity: 45.84 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 15.6 AU - 23.84 AU

Year: 30921 Days

Day: 15.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 109,220,979 km

• M1: 97,687 km (0.092 R)
• M2: 609,013 km (0.092 R)
• M3: 939,923 km (0.109 R)
• M4: 1,215,931 km (0.101 R)
• M5: 1,543,850 km (0.051 R)
• M6: 2,580,563 km (0.084 R)
• M7: 3,120,462 km (0.119 R)
• M8: 4,896,338 km (0.062 R)
• M9: 6,332,029 km (0.083 R)
• M10: 7,413,472 km (0.111 R)
• M11: 8,977,518 km (0.102 R)
• M12: 9,416,288 km (0.047 R)
• M13: 11,460,094 km (0.045 R)
• M14: 12,051,156 km (0.053 R)
• M15: 15,670,527 km (0.05 R)
• M16: 21,463,704 km (0.114 R)
• M17: 23,398,603 km (0.058 R)
• M18: 25,323,030 km (0.118 R)
• M19: 27,742,327 km (0.077 R)
• M20: 28,537,140 km (0.088 R)
• M21: 28,805,369 km (0.037 R)
• M22: 29,347,063 km (0.07 R)
• M23: 29,757,709 km (0.102 R)
• M24: 31,296,323 km (0.053 R)
• M25: 33,182,005 km (0.047 R)
• M26: 36,385,793 km (0.111 R)
• M27: 45,741,045 km (0.075 R)
• M28: 52,660,246 km (0.108 R)
• M29: 70,219,296 km (0.094 R)
• M30: 85,616,507 km (0.114 R)
• M31: 92,766,986 km (0.108 R)
• M32: 93,061,095 km (0.112 R)
• M33: 97,850,172 km (0.113 R)
• M34: 98,154,903 km (0.118 R)

Kuiper Belt

Range: 31.1 - 49.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 18,889 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit