🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.65 AU - 0.97 AU

Year: 260 Days

Day: 28.4 Hours

Environment

Temp: 188 °C

Axial Tilt: 4.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,393,027 km

• M1: 71,358 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.87 AU - 1.21 AU

Year: 378 Days

Day: 42.9 Hours

Environment

Temp: 31 °C

Axial Tilt: 24.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 60,393,027 km

• M1: 68,516 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.14 AU - 1.32 AU

Year: 486 Days

Day: 31.3 Hours

Environment

Temp: 21 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 60,393,027 km

• M1: 115,789 km (0.073 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.4 AU - 1.76 AU

Year: 708 Days

Day: 33.5 Hours

Environment

Temp: -41 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.68 AU - 2.1 AU

Year: 926 Days

Day: 19.4 Hours

Environment

Temp: -45 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,393,027 km

• M1: 123,418 km (0.077 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.15 AU - 2.87 AU

Year: 1417 Days

Day: 22 Hours

Environment

Temp: -88 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,393,027 km

• M1: 20,345 km (0.072 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.95 AU - 4.31 AU

Year: 2465 Days

Day: 17.3 Hours

Environment

Temp: -111 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,393,027 km

• M1: 619,186 km (0.104 R)

Asteroid Belt

Center: 6.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.8

Radius: 9.3

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.97 AU - 9.67 AU

Year: 9337 Days

Day: 14.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,393,027 km

• M1: 115,789 km (0.103 R)
• M2: 516,113 km (0.03 R)
• M3: 1,057,657 km (0.116 R)
• M4: 1,635,703 km (0.103 R)
• M5: 2,048,294 km (0.091 R)
• M6: 4,496,463 km (0.104 R)
• M7: 5,685,467 km (0.07 R)
• M8: 6,334,572 km (0.086 R)
• M9: 7,399,559 km (0.095 R)
• M10: 8,397,527 km (0.086 R)
• M11: 9,384,723 km (0.104 R)
• M12: 10,394,958 km (0.116 R)
• M13: 10,818,768 km (0.092 R)
• M14: 11,364,801 km (0.069 R)
• M15: 12,690,387 km (0.112 R)
• M16: 12,991,677 km (0.041 R)
• M17: 13,860,841 km (0.083 R)
• M18: 14,505,010 km (0.1 R)
• M19: 14,967,716 km (0.088 R)
• M20: 16,629,299 km (0.094 R)
• M21: 17,728,245 km (0.109 R)
• M22: 18,796,972 km (0.063 R)
• M23: 19,908,036 km (0.099 R)
• M24: 22,876,506 km (0.042 R)
• M25: 26,616,154 km (0.068 R)
• M26: 28,219,843 km (0.078 R)
• M27: 28,734,011 km (0.085 R)
• M28: 33,301,982 km (0.047 R)
• M29: 35,877,609 km (0.081 R)
• M30: 36,481,086 km (0.111 R)
• M31: 38,583,385 km (0.112 R)
• M32: 40,374,221 km (0.072 R)
• M33: 41,819,636 km (0.063 R)
• M34: 43,708,907 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.7

Radius: 12.5

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 11.43 AU - 12.77 AU

Year: 15003 Days

Day: 10.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,393,027 km

• M1: 155,731 km (0.078 R)
• M2: 562,189 km (0.089 R)
• M3: 977,772 km (0.054 R)
• M4: 1,594,414 km (0.112 R)
• M5: 2,223,324 km (0.107 R)
• M6: 2,629,033 km (0.077 R)
• M7: 3,513,306 km (0.101 R)
• M8: 4,650,250 km (0.077 R)
• M9: 6,817,175 km (0.093 R)
• M10: 8,052,405 km (0.038 R)
• M11: 11,428,829 km (0.099 R)
• M12: 16,698,264 km (0.104 R)
• M13: 17,552,318 km (0.084 R)
• M14: 17,950,099 km (0.12 R)
• M15: 22,826,840 km (0.08 R)
• M16: 23,396,808 km (0.119 R)
• M17: 24,565,167 km (0.056 R)
• M18: 25,568,221 km (0.089 R)
• M19: 26,702,771 km (0.118 R)
• M20: 28,195,159 km (0.115 R)
• M21: 35,224,763 km (0.089 R)
• M22: 36,114,123 km (0.073 R)
• M23: 44,215,147 km (0.103 R)
• M24: 50,347,612 km (0.079 R)
• M25: 52,128,575 km (0.045 R)
• M26: 57,372,878 km (0.114 R)

Kuiper Belt

Range: 30.8 - 53.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 15,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit