🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.56 AU - 0.76 AU

Year: 200 Days

Day: 13.2 Hours

Environment

Temp: 109 °C

Axial Tilt: 31.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.62 AU - 0.78 AU

Year: 218 Days

Day: 40.9 Hours

Environment

Temp: 134 °C

Axial Tilt: 5.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.77 AU - 1.25 AU

Year: 378 Days

Day: 35.6 Hours

Environment

Temp: 12 °C

Axial Tilt: 6.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.04 AU - 1.06 AU

Year: 401 Days

Day: 20.2 Hours

Environment

Temp: 24 °C

Axial Tilt: 12.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.08 AU - 2.86 AU

Year: 1447 Days

Day: 33.1 Hours

Environment

Temp: -98 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.39 AU - 3.03 AU

Year: 1663 Days

Day: 37.6 Hours

Environment

Temp: -105 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.3

Radius: 8.4

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.89 AU - 7.55 AU

Year: 5783 Days

Day: 6.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 59.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,871,785 km

• M1: 104,569 km (0.076 R)
• M2: 520,152 km (0.099 R)
• M3: 1,710,652 km (0.048 R)
• M4: 2,703,533 km (0.1 R)
• M5: 4,438,270 km (0.08 R)
• M6: 7,475,256 km (0.093 R)
• M7: 8,077,986 km (0.113 R)
• M8: 8,462,004 km (0.085 R)
• M9: 13,191,839 km (0.029 R)
• M10: 17,518,060 km (0.084 R)
• M11: 19,435,606 km (0.105 R)
• M12: 19,810,199 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.2

Radius: 12.6

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.94 AU - 8.4 AU

Year: 7157 Days

Day: 12.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,871,785 km

• M1: 156,629 km (0.119 R)
• M2: 600,037 km (0.103 R)
• M3: 1,179,430 km (0.096 R)
• M4: 2,203,726 km (0.095 R)
• M5: 2,825,156 km (0.117 R)
• M6: 3,825,367 km (0.105 R)
• M7: 4,586,671 km (0.084 R)
• M8: 5,932,304 km (0.113 R)
• M9: 7,884,257 km (0.098 R)
• M10: 8,380,024 km (0.118 R)
• M11: 9,117,990 km (0.086 R)
• M12: 9,946,164 km (0.036 R)
• M13: 11,333,235 km (0.105 R)
• M14: 12,621,572 km (0.116 R)
• M15: 14,185,319 km (0.048 R)
• M16: 15,745,026 km (0.115 R)
• M17: 16,599,829 km (0.078 R)
• M18: 19,202,831 km (0.094 R)
• M19: 21,345,522 km (0.109 R)
• M20: 22,392,557 km (0.091 R)
• M21: 22,970,454 km (0.093 R)
• M22: 25,920,075 km (0.104 R)
• M23: 36,953,816 km (0.097 R)
• M24: 37,761,195 km (0.053 R)
• M25: 38,462,660 km (0.102 R)
• M26: 40,012,194 km (0.087 R)
• M27: 40,986,226 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.9

Radius: 7

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 11.37 AU - 15.39 AU

Year: 18245 Days

Day: 15.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,871,785 km

• M1: 87,515 km (0.064 R)
• M2: 333,902 km (0.091 R)
• M3: 612,753 km (0.077 R)
• M4: 925,412 km (0.105 R)
• M5: 2,400,148 km (0.077 R)
• M6: 2,868,988 km (0.116 R)
• M7: 4,230,777 km (0.074 R)
• M8: 4,613,150 km (0.107 R)
• M9: 5,337,353 km (0.111 R)
• M10: 6,667,128 km (0.119 R)
• M11: 8,399,771 km (0.069 R)
• M12: 9,691,100 km (0.096 R)
• M13: 11,169,127 km (0.07 R)
• M14: 11,837,530 km (0.102 R)
• M15: 12,922,414 km (0.052 R)
• M16: 19,616,769 km (0.101 R)
• M17: 20,678,614 km (0.085 R)
• M18: 21,132,195 km (0.073 R)
• M19: 21,685,109 km (0.117 R)
• M20: 24,798,540 km (0.064 R)
• M21: 27,429,069 km (0.061 R)
• M22: 27,647,182 km (0.051 R)
• M23: 27,866,493 km (0.11 R)
• M24: 41,369,496 km (0.07 R)
• M25: 41,656,425 km (0.041 R)
• M26: 43,851,624 km (0.07 R)
• M27: 46,741,256 km (0.092 R)
• M28: 50,569,615 km (0.104 R)
• M29: 61,789,905 km (0.051 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: 220 - 11,460 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit