🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.52 AU - 0.76 AU

Year: 192 Days

Day: 19.6 Hours

Environment

Temp: 140 °C

Axial Tilt: 21.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,743,685 km

• M1: 121,174 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.84 AU - 0.9 AU

Year: 304 Days

Day: 14.5 Hours

Environment

Temp: 25 °C

Axial Tilt: 23.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.01 AU - 1.33 AU

Year: 474 Days

Day: 44 Hours

Environment

Temp: -17 °C

Axial Tilt: 7.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.8 AU - 2.38 AU

Year: 1132 Days

Day: 44.9 Hours

Environment

Temp: -83 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.22 AU - 2.6 AU

Year: 1402 Days

Day: 18.8 Hours

Environment

Temp: -91 °C

Axial Tilt: 43.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,743,685 km

• M1: 20,046 km (0.077 R)

Asteroid Belt

Center: 3.87 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.8

Radius: 14.8

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.05 AU - 6.61 AU

Year: 4611 Days

Day: 14.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,743,685 km

• M1: 195,524 km (0.103 R)
• M2: 844,181 km (0.067 R)
• M3: 1,463,815 km (0.115 R)
• M4: 1,995,486 km (0.067 R)
• M5: 3,066,158 km (0.075 R)
• M6: 4,712,034 km (0.119 R)
• M7: 5,564,891 km (0.051 R)
• M8: 6,028,794 km (0.103 R)
• M9: 7,486,326 km (0.074 R)
• M10: 8,854,399 km (0.099 R)
• M11: 9,781,307 km (0.074 R)
• M12: 10,970,161 km (0.093 R)
• M13: 11,912,778 km (0.06 R)
• M14: 13,726,801 km (0.103 R)
• M15: 14,627,231 km (0.08 R)
• M16: 16,077,134 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.4

Radius: 11.5

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.64 AU - 9.56 AU

Year: 10287 Days

Day: 8.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,743,685 km

• M1: 150,196 km (0.107 R)
• M2: 640,578 km (0.05 R)
• M3: 1,014,872 km (0.11 R)
• M4: 1,472,941 km (0.081 R)
• M5: 1,853,667 km (0.085 R)
• M6: 2,227,512 km (0.034 R)
• M7: 2,611,530 km (0.05 R)
• M8: 2,994,949 km (0.08 R)
• M9: 3,930,834 km (0.099 R)
• M10: 4,467,292 km (0.088 R)
• M11: 8,821,188 km (0.04 R)
• M12: 12,124,608 km (0.044 R)
• M13: 15,139,005 km (0.077 R)
• M14: 18,932,957 km (0.077 R)
• M15: 25,361,925 km (0.107 R)
• M16: 30,123,326 km (0.101 R)
• M17: 35,809,093 km (0.085 R)
• M18: 36,414,366 km (0.08 R)
• M19: 40,974,857 km (0.115 R)
• M20: 42,576,003 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.5

Radius: 4.2

Gravity: 17.38 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 14.87 AU - 16.67 AU

Year: 23468 Days

Day: 24.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 64,743,685 km

• M1: 52,808 km (0.093 R)
• M2: 229,782 km (0.099 R)
• M3: 442,211 km (0.108 R)
• M4: 577,597 km (0.047 R)
• M5: 1,075,160 km (0.108 R)
• M6: 1,942,379 km (0.081 R)
• M7: 3,491,016 km (0.032 R)
• M8: 4,576,348 km (0.114 R)
• M9: 6,514,688 km (0.107 R)
• M10: 7,073,287 km (0.098 R)
• M11: 8,334,247 km (0.115 R)
• M12: 12,222,744 km (0.043 R)
• M13: 15,395,566 km (0.116 R)
• M14: 17,330,614 km (0.054 R)
• M15: 18,650,815 km (0.06 R)
• M16: 19,335,375 km (0.033 R)
• M17: 19,596,274 km (0.066 R)
• M18: 20,214,412 km (0.083 R)
• M19: 21,863,130 km (0.117 R)
• M20: 22,336,608 km (0.109 R)
• M21: 24,400,011 km (0.096 R)
• M22: 24,909,242 km (0.084 R)
• M23: 26,160,628 km (0.085 R)
• M24: 29,242,195 km (0.036 R)
• M25: 29,585,971 km (0.079 R)
• M26: 31,107,232 km (0.095 R)
• M27: 32,312,392 km (0.046 R)
• M28: 34,687,258 km (0.073 R)
• M29: 37,849,907 km (0.116 R)
• M30: 40,203,081 km (0.047 R)
• M31: 42,358,637 km (0.116 R)
• M32: 43,539,263 km (0.049 R)
• M33: 43,837,711 km (0.08 R)
• M34: 50,591,158 km (0.119 R)
• M35: 52,592,478 km (0.061 R)
• M36: 53,441,745 km (0.056 R)
• M37: 53,783,875 km (0.116 R)
• M38: 54,299,988 km (0.051 R)
• M39: 56,574,624 km (0.036 R)
• M40: 57,466,077 km (0.091 R)
• M41: 60,012,083 km (0.059 R)
• M42: 64,356,256 km (0.12 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 18,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit