🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.59 AU - 0.63 AU

Year: 174 Days

Day: 32.8 Hours

Environment

Temp: 181 °C

Axial Tilt: 12.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.52 AU - 0.76 AU

Year: 187 Days

Day: 45.2 Hours

Environment

Temp: 185 °C

Axial Tilt: 22.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.66 AU - 0.9 AU

Year: 252 Days

Day: 20.6 Hours

Environment

Temp: 115 °C

Axial Tilt: 47 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.98 AU - 2.64 AU

Year: 1282 Days

Day: 25.4 Hours

Environment

Temp: -79 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.15 AU - 3.65 AU

Year: 2290 Days

Day: 22.9 Hours

Environment

Temp: -111 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885

Radius: 11.8

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.2 AU - 6.08 AU

Year: 4892 Days

Day: 9.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,115,740 km

• M1: 146,756 km (0.098 R)
• M2: 544,536 km (0.088 R)
• M3: 1,053,319 km (0.102 R)
• M4: 1,614,909 km (0.073 R)
• M5: 2,694,258 km (0.1 R)
• M6: 4,277,602 km (0.067 R)
• M7: 4,709,939 km (0.073 R)
• M8: 5,692,648 km (0.119 R)
• M9: 10,026,199 km (0.085 R)
• M10: 10,563,405 km (0.077 R)
• M11: 12,392,089 km (0.118 R)
• M12: 15,108,338 km (0.088 R)
• M13: 20,243,584 km (0.097 R)
• M14: 20,885,658 km (0.063 R)
• M15: 21,985,950 km (0.114 R)
• M16: 23,747,615 km (0.112 R)
• M17: 26,184,415 km (0.096 R)
• M18: 30,515,722 km (0.086 R)
• M19: 31,836,072 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51

Radius: 6.5

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 15.75 AU - 20.45 AU

Year: 28126 Days

Day: 19 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,115,740 km

• M1: 83,027 km (0.107 R)
• M2: 318,643 km (0.117 R)
• M3: 581,487 km (0.096 R)
• M4: 793,766 km (0.032 R)
• M5: 1,548,188 km (0.108 R)
• M6: 2,333,577 km (0.107 R)
• M7: 3,404,249 km (0.087 R)
• M8: 4,190,984 km (0.056 R)
• M9: 5,275,719 km (0.044 R)
• M10: 6,324,998 km (0.109 R)
• M11: 7,783,727 km (0.098 R)
• M12: 11,608,944 km (0.118 R)
• M13: 14,432,455 km (0.089 R)
• M14: 18,818,215 km (0.114 R)
• M15: 24,880,370 km (0.087 R)
• M16: 29,409,894 km (0.117 R)
• M17: 36,451,466 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.7

Radius: 6.6

Gravity: 19.55 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 15.71 AU - 20.49 AU

Year: 28126 Days

Day: 20.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,115,740 km

• M1: 82,129 km (0.062 R)
• M2: 334,501 km (0.065 R)
• M3: 641,476 km (0.076 R)
• M4: 2,101,850 km (0.093 R)
• M5: 4,481,803 km (0.097 R)
• M6: 5,280,057 km (0.087 R)
• M7: 15,884,302 km (0.057 R)
• M8: 20,311,950 km (0.11 R)
• M9: 23,374,368 km (0.077 R)
• M10: 25,619,383 km (0.107 R)
• M11: 28,263,526 km (0.053 R)
• M12: 36,500,684 km (0.078 R)
• M13: 38,704,111 km (0.069 R)
• M14: 41,161,705 km (0.117 R)
• M15: 43,201,172 km (0.1 R)
• M16: 52,622,547 km (0.059 R)
• M17: 58,545,875 km (0.106 R)
• M18: 62,658,619 km (0.077 R)
• M19: 69,775,289 km (0.116 R)
• M20: 79,989,533 km (0.076 R)
• M21: 85,043,248 km (0.111 R)
• M22: 96,665,357 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.7

Radius: 3.7

Gravity: 23.57 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 17.96 AU - 22.04 AU

Year: 32669 Days

Day: 15.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,115,740 km

• M1: 46,226 km (0.097 R)
• M2: 334,202 km (0.117 R)
• M3: 943,963 km (0.074 R)
• M4: 1,828,385 km (0.051 R)
• M5: 2,586,846 km (0.09 R)
• M6: 3,564,768 km (0.115 R)
• M7: 3,717,657 km (0.094 R)
• M8: 4,102,722 km (0.057 R)
• M9: 6,894,966 km (0.089 R)
• M10: 7,474,807 km (0.115 R)
• M11: 8,841,533 km (0.096 R)
• M12: 19,416,906 km (0.084 R)
• M13: 21,258,905 km (0.086 R)
• M14: 21,661,173 km (0.109 R)
• M15: 28,316,783 km (0.102 R)
• M16: 28,925,945 km (0.076 R)
• M17: 37,806,224 km (0.077 R)
• M18: 41,751,419 km (0.032 R)
• M19: 57,707,827 km (0.102 R)
• M20: 60,877,507 km (0.093 R)
• M21: 61,484,575 km (0.115 R)
• M22: 62,710,530 km (0.094 R)
• M23: 62,916,376 km (0.047 R)
• M24: 63,122,822 km (0.11 R)
• M25: 64,579,905 km (0.065 R)
• M26: 73,567,446 km (0.09 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 14,822 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit