🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.55 AU - 0.75 AU

Year: 237 Days

Day: 23.3 Hours

Environment

Temp: -29 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,400,127 km

• M1: 140,622 km (0.12 R)
• M2: 233,223 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.87 AU - 0.95 AU

Year: 393 Days

Day: 34.1 Hours

Environment

Temp: -74 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.92 AU - 1.02 AU

Year: 433 Days

Day: 37 Hours

Environment

Temp: -60 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.2

Radius: 13.4

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.05 AU - 5.41 AU

Year: 4660 Days

Day: 7.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,400,127 km

• M1: 166,802 km (0.099 R)
• M2: 594,053 km (0.05 R)
• M3: 1,125,126 km (0.066 R)
• M4: 1,592,619 km (0.102 R)
• M5: 2,055,325 km (0.062 R)
• M6: 2,576,973 km (0.118 R)
• M7: 3,025,916 km (0.078 R)
• M8: 4,843,829 km (0.025 R)
• M9: 5,696,238 km (0.04 R)
• M10: 7,369,191 km (0.036 R)
• M11: 8,319,437 km (0.114 R)
• M12: 9,159,578 km (0.108 R)
• M13: 9,895,750 km (0.094 R)
• M14: 12,342,872 km (0.054 R)
• M15: 13,781,554 km (0.075 R)
• M16: 14,958,141 km (0.109 R)
• M17: 16,592,199 km (0.062 R)
• M18: 19,387,136 km (0.084 R)
• M19: 20,863,368 km (0.083 R)
• M20: 21,393,991 km (0.057 R)
• M21: 22,070,024 km (0.096 R)
• M22: 23,678,800 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.4

Radius: 9.1

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.46 AU - 6.1 AU

Year: 6295 Days

Day: 6.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,400,127 km

• M1: 116,986 km (0.098 R)
• M2: 622,626 km (0.119 R)
• M3: 1,302,399 km (0.082 R)
• M4: 2,068,191 km (0.114 R)
• M5: 2,677,353 km (0.043 R)
• M6: 3,455,262 km (0.104 R)
• M7: 4,147,302 km (0.048 R)
• M8: 6,725,471 km (0.083 R)
• M9: 10,639,101 km (0.085 R)
• M10: 14,382,638 km (0.081 R)
• M11: 17,208,841 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825

Radius: 6.1

Gravity: 22.17 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 8.76 AU - 12.62 AU

Year: 15834 Days

Day: 22.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 40,400,127 km

• M1: 82,578 km (0.095 R)
• M2: 314,156 km (0.111 R)
• M3: 514,018 km (0.114 R)
• M4: 864,227 km (0.078 R)
• M5: 1,746,406 km (0.099 R)
• M6: 3,667,392 km (0.085 R)
• M7: 8,118,676 km (0.066 R)
• M8: 8,726,642 km (0.067 R)
• M9: 9,919,536 km (0.118 R)
• M10: 15,174,460 km (0.065 R)
• M11: 20,983,944 km (0.118 R)
• M12: 21,549,723 km (0.096 R)
• M13: 23,108,533 km (0.088 R)
• M14: 25,585,425 km (0.038 R)
• M15: 25,906,910 km (0.113 R)
• M16: 26,339,847 km (0.091 R)
• M17: 27,331,531 km (0.097 R)
• M18: 28,807,613 km (0.058 R)
• M19: 29,155,578 km (0.118 R)
• M20: 29,741,852 km (0.069 R)
• M21: 30,455,733 km (0.112 R)
• M22: 31,794,035 km (0.046 R)
• M23: 33,298,242 km (0.12 R)
• M24: 45,805,671 km (0.117 R)
• M25: 46,438,620 km (0.064 R)
• M26: 47,238,071 km (0.09 R)
• M27: 51,033,369 km (0.111 R)
• M28: 55,205,504 km (0.053 R)
• M29: 56,102,343 km (0.044 R)
• M30: 57,008,906 km (0.045 R)
• M31: 58,109,647 km (0.078 R)
• M32: 65,212,255 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.5

Radius: 7.4

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 11.36 AU - 12.12 AU

Year: 18224 Days

Day: 22.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,400,127 km

• M1: 92,302 km (0.108 R)
• M2: 368,460 km (0.098 R)
• M3: 2,100,803 km (0.047 R)
• M4: 4,330,559 km (0.094 R)
• M5: 4,662,218 km (0.064 R)
• M6: 4,892,598 km (0.104 R)
• M7: 6,092,972 km (0.088 R)
• M8: 7,285,117 km (0.119 R)
• M9: 8,973,927 km (0.117 R)
• M10: 12,160,961 km (0.064 R)
• M11: 15,516,142 km (0.085 R)
• M12: 15,901,805 km (0.066 R)
• M13: 16,162,404 km (0.107 R)
• M14: 17,096,942 km (0.034 R)
• M15: 19,073,579 km (0.055 R)
• M16: 20,192,721 km (0.1 R)
• M17: 21,672,543 km (0.057 R)
• M18: 24,498,447 km (0.056 R)
• M19: 28,507,969 km (0.11 R)
• M20: 36,994,057 km (0.096 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 12,647 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit