🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.41 AU - 0.65 AU

Year: 145 Days

Day: 22.4 Hours

Environment

Temp: 175 °C

Axial Tilt: 29.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.55 AU - 0.79 AU

Year: 206 Days

Day: 20.9 Hours

Environment

Temp: 143 °C

Axial Tilt: 13.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.81 AU - 0.95 AU

Year: 309 Days

Day: 20.2 Hours

Environment

Temp: 41 °C

Axial Tilt: 27.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.45 AU - 1.96 AU

Year: 831 Days

Day: 18.4 Hours

Environment

Temp: -63 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,876,758 km

• M1: 41,887 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.5

Radius: 8.4

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.64 AU - 5.72 AU

Year: 4418 Days

Day: 9.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,876,758 km

• M1: 105,167 km (0.077 R)
• M2: 405,709 km (0.085 R)
• M3: 711,338 km (0.099 R)
• M4: 2,615,719 km (0.068 R)
• M5: 6,810,443 km (0.06 R)
• M6: 7,986,731 km (0.093 R)
• M7: 9,885,427 km (0.112 R)
• M8: 12,434,575 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.4

Radius: 13.9

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.06 AU - 6.36 AU

Year: 4456 Days

Day: 8.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,876,758 km

• M1: 173,085 km (0.053 R)
• M2: 630,705 km (0.116 R)
• M3: 1,104,481 km (0.103 R)
• M4: 1,578,557 km (0.07 R)
• M5: 2,439,941 km (0.037 R)
• M6: 3,091,739 km (0.037 R)
• M7: 3,553,847 km (0.095 R)
• M8: 4,851,309 km (0.11 R)
• M9: 5,623,534 km (0.078 R)
• M10: 7,068,948 km (0.087 R)
• M11: 8,555,053 km (0.068 R)
• M12: 11,231,659 km (0.095 R)
• M13: 13,457,076 km (0.082 R)
• M14: 13,989,046 km (0.055 R)
• M15: 17,047,126 km (0.091 R)
• M16: 17,482,007 km (0.118 R)
• M17: 18,503,611 km (0.091 R)
• M18: 22,543,352 km (0.108 R)
• M19: 24,689,483 km (0.096 R)
• M20: 28,073,237 km (0.112 R)
• M21: 28,506,024 km (0.083 R)
• M22: 29,031,262 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.5

Radius: 9.1

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.34 AU - 5.56 AU

Year: 4768 Days

Day: 6.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,876,758 km

• M1: 113,246 km (0.108 R)
• M2: 435,629 km (0.108 R)
• M3: 743,053 km (0.08 R)
• M4: 1,035,965 km (0.116 R)
• M5: 1,895,255 km (0.039 R)
• M6: 3,572,696 km (0.105 R)
• M7: 7,801,529 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.8

Radius: 6.1

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 11.77 AU - 14.87 AU

Year: 18217 Days

Day: 19.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 70.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,876,758 km

• M1: 75,846 km (0.108 R)
• M2: 298,448 km (0.096 R)
• M3: 662,868 km (0.086 R)
• M4: 941,120 km (0.084 R)
• M5: 1,407,118 km (0.108 R)
• M6: 4,511,722 km (0.071 R)
• M7: 4,921,022 km (0.069 R)
• M8: 5,418,584 km (0.088 R)
• M9: 6,734,597 km (0.093 R)
• M10: 8,081,127 km (0.069 R)
• M11: 8,907,057 km (0.067 R)
• M12: 11,400,854 km (0.111 R)
• M13: 11,721,891 km (0.104 R)
• M14: 13,656,042 km (0.096 R)
• M15: 16,529,966 km (0.098 R)
• M16: 16,941,360 km (0.107 R)
• M17: 17,927,659 km (0.119 R)
• M18: 18,729,055 km (0.118 R)
• M19: 19,326,699 km (0.078 R)
• M20: 20,638,821 km (0.099 R)
• M21: 25,470,982 km (0.102 R)
• M22: 26,763,657 km (0.085 R)
• M23: 33,887,807 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.8

Radius: 7.2

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 14.95 AU - 22.37 AU

Year: 30206 Days

Day: 23.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,876,758 km

• M1: 89,609 km (0.045 R)
• M2: 377,286 km (0.094 R)
• M3: 660,175 km (0.104 R)
• M4: 896,540 km (0.086 R)
• M5: 2,015,532 km (0.115 R)
• M6: 2,739,436 km (0.057 R)
• M7: 3,016,043 km (0.112 R)
• M8: 4,619,881 km (0.115 R)
• M9: 5,907,321 km (0.12 R)
• M10: 6,501,523 km (0.109 R)
• M11: 9,449,649 km (0.1 R)
• M12: 12,357,831 km (0.048 R)
• M13: 12,975,820 km (0.116 R)
• M14: 13,327,824 km (0.102 R)
• M15: 14,648,324 km (0.078 R)
• M16: 18,503,611 km (0.058 R)
• M17: 20,143,503 km (0.039 R)
• M18: 23,605,497 km (0.109 R)
• M19: 40,515,292 km (0.033 R)
• M20: 51,912,705 km (0.077 R)
• M21: 52,621,799 km (0.116 R)
• M22: 67,350,906 km (0.087 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 10,633 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit