🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.7 AU - 0.84 AU

Year: 243 Days

Day: 27.5 Hours

Environment

Temp: 159 °C

Axial Tilt: 14.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.83 AU - 1.09 AU

Year: 339 Days

Day: 27.8 Hours

Environment

Temp: 123 °C

Axial Tilt: 83.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 90,757,748 km

• M1: 168,597 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.11 AU - 1.35 AU

Year: 491 Days

Day: 45.2 Hours

Environment

Temp: 15 °C

Axial Tilt: 7.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 90,757,748 km

• M1: 51,611 km (0.116 R)
• M2: 765,044 km (0.091 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.39 AU - 3.07 AU

Year: 1623 Days

Day: 25.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 90,757,748 km

• M1: 82,578 km (0.068 R)
• M2: 884,123 km (0.06 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.95 AU - 2.99 AU

Year: 1842 Days

Day: 28 Hours

Environment

Temp: -102 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.92 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 12.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.3

Radius: 4.3

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 12.02 AU - 13.72 AU

Year: 16616 Days

Day: 17.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,757,748 km

• M1: 53,556 km (0.103 R)
• M2: 194,477 km (0.1 R)
• M3: 636,539 km (0.119 R)
• M4: 1,226,403 km (0.1 R)
• M5: 1,659,190 km (0.094 R)
• M6: 2,641,898 km (0.042 R)
• M7: 4,382,769 km (0.052 R)
• M8: 7,645,050 km (0.086 R)
• M9: 10,625,937 km (0.073 R)
• M10: 13,529,183 km (0.119 R)
• M11: 15,927,536 km (0.049 R)
• M12: 24,101,713 km (0.078 R)
• M13: 27,409,172 km (0.061 R)
• M14: 32,865,605 km (0.079 R)
• M15: 34,579,099 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 562.6

Radius: 5

Gravity: 22.5 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 11.94 AU - 16.72 AU

Year: 19523 Days

Day: 18.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,757,748 km

• M1: 62,233 km (0.109 R)
• M2: 238,459 km (0.064 R)
• M3: 470,784 km (0.115 R)
• M4: 1,067,381 km (0.094 R)
• M5: 1,336,657 km (0.04 R)
• M6: 2,231,103 km (0.06 R)
• M7: 2,467,018 km (0.097 R)
• M8: 3,967,336 km (0.11 R)
• M9: 4,478,811 km (0.067 R)
• M10: 5,178,629 km (0.103 R)
• M11: 5,671,106 km (0.085 R)
• M12: 5,868,575 km (0.115 R)
• M13: 7,906,995 km (0.102 R)
• M14: 8,610,704 km (0.085 R)
• M15: 10,491,897 km (0.1 R)
• M16: 11,032,245 km (0.085 R)
• M17: 11,278,333 km (0.081 R)
• M18: 13,036,108 km (0.105 R)
• M19: 13,944,167 km (0.079 R)
• M20: 18,255,279 km (0.073 R)
• M21: 18,686,420 km (0.027 R)
• M22: 18,860,701 km (0.096 R)
• M23: 19,658,656 km (0.103 R)
• M24: 21,896,192 km (0.111 R)
• M25: 23,885,993 km (0.081 R)
• M26: 30,092,509 km (0.066 R)
• M27: 33,435,423 km (0.104 R)
• M28: 38,126,214 km (0.115 R)
• M29: 39,114,308 km (0.05 R)
• M30: 41,881,869 km (0.066 R)
• M31: 45,560,929 km (0.025 R)
• M32: 45,718,605 km (0.082 R)
• M33: 48,293,334 km (0.037 R)
• M34: 48,457,293 km (0.06 R)
• M35: 58,064,020 km (0.11 R)
• M36: 60,888,278 km (0.055 R)
• M37: 69,698,695 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.3

Radius: 6.8

Gravity: 16.55 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 13.69 AU - 19.79 AU

Year: 24649 Days

Day: 24.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,757,748 km

• M1: 108,309 km (0.054 R)
• M2: 328,068 km (0.111 R)
• M3: 799,152 km (0.083 R)
• M4: 3,028,011 km (0.102 R)
• M5: 3,775,701 km (0.066 R)
• M6: 4,981,908 km (0.063 R)
• M7: 5,630,415 km (0.104 R)
• M8: 5,887,723 km (0.079 R)
• M9: 6,565,252 km (0.098 R)
• M10: 6,850,386 km (0.119 R)
• M11: 8,347,112 km (0.099 R)
• M12: 10,175,049 km (0.079 R)
• M13: 12,397,624 km (0.078 R)
• M14: 15,252,700 km (0.07 R)
• M15: 20,463,942 km (0.075 R)
• M16: 25,332,006 km (0.069 R)
• M17: 27,600,658 km (0.075 R)
• M18: 29,101,274 km (0.055 R)
• M19: 33,089,104 km (0.054 R)
• M20: 43,279,412 km (0.088 R)
• M21: 73,726,319 km (0.119 R)

Kuiper Belt

Range: 30.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 16,353 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit