🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.63 AU - 0.67 AU

Year: 185 Days

Day: 34.6 Hours

Environment

Temp: 212 °C

Axial Tilt: 2.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 31,801,598 km

• M1: 42,635 km (0.066 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.08 AU - 1.4 AU

Year: 488 Days

Day: 26.3 Hours

Environment

Temp: 2 °C

Axial Tilt: 96.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.21 AU - 1.81 AU

Year: 655 Days

Day: 37.4 Hours

Environment

Temp: -21 °C

Axial Tilt: 52.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 31,801,598 km

• M1: 31,565 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.18 AU - 3 AU

Year: 1472 Days

Day: 47.7 Hours

Environment

Temp: -71 °C

Axial Tilt: 42 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,801,598 km

• M1: 199,564 km (0.07 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.06 AU - 3.84 AU

Year: 2263 Days

Day: 12.4 Hours

Environment

Temp: -111 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,801,598 km

• M1: 137,780 km (0.099 R)
• M2: 161,865 km (0.109 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.37 AU - 4.79 AU

Year: 2910 Days

Day: 28.6 Hours

Environment

Temp: -127 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.4

Radius: 12.1

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.55 AU - 6.79 AU

Year: 4767 Days

Day: 8.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,801,598 km

• M1: 150,495 km (0.098 R)
• M2: 539,749 km (0.052 R)
• M3: 939,624 km (0.074 R)
• M4: 1,688,661 km (0.066 R)
• M5: 2,377,260 km (0.11 R)
• M6: 3,056,584 km (0.09 R)
• M7: 4,752,575 km (0.03 R)
• M8: 5,220,218 km (0.104 R)
• M9: 5,747,101 km (0.106 R)
• M10: 6,811,041 km (0.115 R)
• M11: 7,238,143 km (0.079 R)
• M12: 7,930,333 km (0.067 R)
• M13: 8,329,609 km (0.065 R)
• M14: 9,937,487 km (0.069 R)
• M15: 13,298,204 km (0.071 R)
• M16: 14,177,839 km (0.057 R)
• M17: 16,053,198 km (0.097 R)
• M18: 17,050,567 km (0.076 R)
• M19: 17,779,109 km (0.088 R)
• M20: 18,339,053 km (0.102 R)
• M21: 20,290,857 km (0.095 R)
• M22: 21,109,157 km (0.098 R)
• M23: 24,834,144 km (0.079 R)
• M24: 26,087,625 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.9

Radius: 14.3

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.41 AU - 6.05 AU

Year: 4843 Days

Day: 5.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,801,598 km

• M1: 178,021 km (0.108 R)
• M2: 931,995 km (0.069 R)
• M3: 1,676,543 km (0.086 R)
• M4: 2,342,852 km (0.114 R)
• M5: 2,968,022 km (0.08 R)
• M6: 4,394,886 km (0.08 R)
• M7: 4,969,192 km (0.087 R)
• M8: 5,647,768 km (0.06 R)
• M9: 6,537,128 km (0.089 R)
• M10: 7,063,413 km (0.107 R)
• M11: 7,584,462 km (0.086 R)
• M12: 8,925,907 km (0.113 R)
• M13: 9,536,116 km (0.086 R)
• M14: 10,378,951 km (0.089 R)
• M15: 12,823,380 km (0.119 R)
• M16: 14,256,378 km (0.089 R)
• M17: 15,848,698 km (0.097 R)
• M18: 17,674,988 km (0.03 R)
• M19: 18,947,318 km (0.059 R)
• M20: 20,021,431 km (0.093 R)
• M21: 21,135,786 km (0.088 R)
• M22: 21,810,322 km (0.116 R)
• M23: 22,638,795 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.3

Radius: 14.5

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 6.07 AU - 8.97 AU

Year: 7282 Days

Day: 13.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,801,598 km

• M1: 181,163 km (0.096 R)
• M2: 742,604 km (0.085 R)
• M3: 1,655,600 km (0.045 R)
• M4: 2,489,757 km (0.114 R)
• M5: 5,674,247 km (0.098 R)
• M6: 6,543,411 km (0.117 R)
• M7: 7,148,085 km (0.098 R)
• M8: 7,753,059 km (0.12 R)
• M9: 8,430,887 km (0.1 R)
• M10: 9,733,436 km (0.105 R)
• M11: 10,343,945 km (0.115 R)
• M12: 11,166,434 km (0.034 R)
• M13: 12,633,839 km (0.107 R)
• M14: 13,681,324 km (0.085 R)
• M15: 15,593,932 km (0.111 R)
• M16: 16,553,304 km (0.101 R)
• M17: 17,615,299 km (0.111 R)
• M18: 19,944,388 km (0.085 R)
• M19: 22,622,938 km (0.091 R)
• M20: 26,950,655 km (0.107 R)

Kuiper Belt

Range: 31.1 - 48.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 17,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit