🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.45 AU - 0.65 AU

Year: 143 Days

Day: 12.6 Hours

Environment

Temp: 199 °C

Axial Tilt: 17.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.53 AU - 0.63 AU

Year: 155 Days

Day: 29.3 Hours

Environment

Temp: 207 °C

Axial Tilt: 20.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.56 AU - 0.82 AU

Year: 201 Days

Day: 27.6 Hours

Environment

Temp: 178 °C

Axial Tilt: 13.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.14 AU - 1.58 AU

Year: 557 Days

Day: 21.7 Hours

Environment

Temp: 1 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.35 AU - 1.73 AU

Year: 672 Days

Day: 30.2 Hours

Environment

Temp: 2 °C

Axial Tilt: 38.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 57,828,400 km

• M1: 56,847 km (0.082 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.8 AU - 3.5 AU

Year: 1965 Days

Day: 19.3 Hours

Environment

Temp: -92 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.9

Radius: 12.3

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.98 AU - 11.54 AU

Year: 9904 Days

Day: 12.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,828,400 km

• M1: 153,039 km (0.067 R)
• M2: 594,801 km (0.109 R)
• M3: 1,072,617 km (0.045 R)
• M4: 1,512,434 km (0.066 R)
• M5: 2,596,869 km (0.093 R)
• M6: 3,050,600 km (0.079 R)
• M7: 4,096,289 km (0.118 R)
• M8: 4,689,295 km (0.066 R)
• M9: 5,143,474 km (0.075 R)
• M10: 6,953,309 km (0.084 R)
• M11: 7,438,904 km (0.093 R)
• M12: 8,209,782 km (0.055 R)
• M13: 9,444,263 km (0.119 R)
• M14: 10,215,739 km (0.091 R)
• M15: 11,594,433 km (0.112 R)
• M16: 14,053,224 km (0.092 R)
• M17: 15,874,129 km (0.077 R)
• M18: 17,592,111 km (0.026 R)
• M19: 18,169,858 km (0.066 R)
• M20: 19,363,200 km (0.106 R)
• M21: 20,608,154 km (0.113 R)
• M22: 24,425,144 km (0.037 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.7

Radius: 8.3

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 8.29 AU - 11.75 AU

Year: 11148 Days

Day: 12.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,828,400 km

• M1: 103,223 km (0.103 R)
• M2: 422,016 km (0.088 R)
• M3: 1,241,064 km (0.101 R)
• M4: 1,592,769 km (0.108 R)
• M5: 2,614,672 km (0.068 R)
• M6: 3,380,613 km (0.114 R)
• M7: 4,682,114 km (0.077 R)
• M8: 5,192,542 km (0.075 R)
• M9: 5,542,452 km (0.094 R)
• M10: 5,941,878 km (0.076 R)
• M11: 7,453,415 km (0.033 R)
• M12: 8,149,793 km (0.11 R)
• M13: 8,844,077 km (0.11 R)
• M14: 9,958,730 km (0.058 R)
• M15: 10,802,911 km (0.104 R)
• M16: 11,374,225 km (0.034 R)
• M17: 11,802,225 km (0.087 R)
• M18: 12,240,846 km (0.076 R)
• M19: 13,209,193 km (0.102 R)
• M20: 13,983,362 km (0.07 R)
• M21: 14,350,774 km (0.057 R)
• M22: 25,495,816 km (0.118 R)
• M23: 26,507,696 km (0.05 R)
• M24: 26,976,386 km (0.112 R)
• M25: 30,108,067 km (0.033 R)
• M26: 30,413,546 km (0.115 R)
• M27: 32,290,102 km (0.113 R)
• M28: 34,575,359 km (0.114 R)
• M29: 36,502,628 km (0.059 R)
• M30: 38,024,039 km (0.106 R)
• M31: 38,860,440 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.7

Radius: 4.7

Gravity: 17.14 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 10.3 AU - 17.1 AU

Year: 17822 Days

Day: 24.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,828,400 km

• M1: 58,493 km (0.094 R)
• M2: 238,309 km (0.069 R)
• M3: 527,632 km (0.098 R)
• M4: 887,415 km (0.08 R)
• M5: 1,121,386 km (0.097 R)
• M6: 1,746,406 km (0.06 R)
• M7: 3,538,289 km (0.105 R)
• M8: 4,307,970 km (0.036 R)
• M9: 4,651,596 km (0.071 R)
• M10: 5,357,848 km (0.08 R)
• M11: 11,098,516 km (0.073 R)
• M12: 12,412,435 km (0.09 R)
• M13: 13,826,583 km (0.074 R)
• M14: 14,230,198 km (0.113 R)
• M15: 17,355,896 km (0.032 R)
• M16: 24,235,753 km (0.029 R)
• M17: 26,125,323 km (0.046 R)
• M18: 29,305,176 km (0.106 R)
• M19: 50,059,636 km (0.075 R)
• M20: 54,098,779 km (0.109 R)

Kuiper Belt

Range: 31.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 13,162 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit