🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.43 AU - 0.61 AU

Year: 136 Days

Day: 48 Hours

Environment

Temp: 217 °C

Axial Tilt: 14.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.7 AU - 0.86 AU

Year: 249 Days

Day: 38 Hours

Environment

Temp: 183 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.93 AU - 1.11 AU

Year: 373 Days

Day: 33.1 Hours

Environment

Temp: 31 °C

Axial Tilt: 6.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.39 AU - 1.49 AU

Year: 625 Days

Day: 24.8 Hours

Environment

Temp: -35 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,845,351 km

• M1: 644,468 km (0.07 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.46 AU - 1.9 AU

Year: 788 Days

Day: 46.1 Hours

Environment

Temp: -47 °C

Axial Tilt: 48.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.02 AU - 2.46 AU

Year: 1212 Days

Day: 46.1 Hours

Environment

Temp: -84 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728

Radius: 14.5

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.51 AU - 8.37 AU

Year: 7339 Days

Day: 11.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,845,351 km

• M1: 181,612 km (0.104 R)
• M2: 806,781 km (0.081 R)
• M3: 1,683,275 km (0.048 R)
• M4: 2,622,002 km (0.062 R)
• M5: 3,157,712 km (0.106 R)
• M6: 4,267,578 km (0.098 R)
• M7: 6,418,945 km (0.072 R)
• M8: 8,276,053 km (0.081 R)
• M9: 9,531,628 km (0.025 R)
• M10: 10,811,588 km (0.079 R)
• M11: 14,122,189 km (0.053 R)
• M12: 14,662,237 km (0.114 R)
• M13: 16,040,632 km (0.109 R)
• M14: 19,714,307 km (0.111 R)
• M15: 21,157,776 km (0.098 R)
• M16: 29,062,827 km (0.089 R)
• M17: 29,644,314 km (0.033 R)
• M18: 30,531,130 km (0.094 R)
• M19: 32,982,591 km (0.088 R)
• M20: 38,158,826 km (0.033 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.4

Radius: 5.6

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 17.69 AU - 20.81 AU

Year: 30545 Days

Day: 19.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 91,845,351 km

• M1: 96,491 km (0.089 R)
• M2: 1,017,565 km (0.113 R)
• M3: 1,448,556 km (0.117 R)
• M4: 3,835,091 km (0.071 R)
• M5: 4,346,417 km (0.111 R)
• M6: 5,622,038 km (0.106 R)
• M7: 6,366,885 km (0.077 R)
• M8: 7,751,563 km (0.064 R)
• M9: 9,721,468 km (0.044 R)
• M10: 14,021,808 km (0.085 R)
• M11: 14,242,764 km (0.093 R)
• M12: 16,095,983 km (0.113 R)
• M13: 24,475,708 km (0.107 R)
• M14: 25,336,943 km (0.105 R)
• M15: 26,441,872 km (0.105 R)
• M16: 30,561,648 km (0.091 R)
• M17: 36,046,056 km (0.112 R)
• M18: 37,019,489 km (0.064 R)
• M19: 39,456,588 km (0.098 R)
• M20: 41,089,299 km (0.114 R)
• M21: 50,103,768 km (0.11 R)
• M22: 50,793,863 km (0.106 R)
• M23: 64,324,092 km (0.099 R)
• M24: 68,892,213 km (0.119 R)
• M25: 74,564,067 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.7

Radius: 7.4

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 17.41 AU - 22.85 AU

Year: 32663 Days

Day: 24.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 69.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 91,845,351 km

• M1: 94,546 km (0.114 R)
• M2: 467,793 km (0.079 R)
• M3: 701,764 km (0.11 R)
• M4: 1,082,341 km (0.106 R)
• M5: 2,905,639 km (0.107 R)
• M6: 4,408,649 km (0.101 R)
• M7: 4,777,408 km (0.114 R)
• M8: 8,565,076 km (0.056 R)
• M9: 10,050,135 km (0.114 R)
• M10: 11,220,588 km (0.111 R)
• M11: 12,049,660 km (0.109 R)
• M12: 12,406,899 km (0.117 R)
• M13: 14,782,065 km (0.111 R)
• M14: 16,994,767 km (0.065 R)
• M15: 25,640,327 km (0.092 R)
• M16: 27,441,635 km (0.115 R)
• M17: 27,811,740 km (0.105 R)
• M18: 38,645,768 km (0.086 R)
• M19: 39,423,078 km (0.092 R)
• M20: 40,528,756 km (0.056 R)
• M21: 41,008,816 km (0.104 R)
• M22: 42,143,815 km (0.076 R)
• M23: 45,674,474 km (0.091 R)
• M24: 46,020,643 km (0.099 R)
• M25: 50,497,060 km (0.09 R)
• M26: 51,052,966 km (0.073 R)
• M27: 51,425,764 km (0.071 R)
• M28: 52,745,217 km (0.1 R)
• M29: 54,280,540 km (0.039 R)
• M30: 62,832,751 km (0.064 R)
• M31: 64,340,249 km (0.04 R)
• M32: 73,182,530 km (0.115 R)
• M33: 76,057,951 km (0.072 R)
• M34: 79,007,722 km (0.049 R)
• M35: 81,269,492 km (0.05 R)

Kuiper Belt

Range: 30.3 - 59.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 19,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit