🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.45 AU - 0.65 AU

Year: 122 Days

Day: 12.8 Hours

Environment

Temp: 358 °C

Axial Tilt: 25.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.34 AU - 2.02 AU

Year: 652 Days

Day: 17.1 Hours

Environment

Temp: 85 °C

Axial Tilt: 11.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 76,625,592 km

• M1: 371,452 km (0.112 R)
• M2: 1,173,296 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.49 AU - 2.15 AU

Year: 735 Days

Day: 29.1 Hours

Environment

Temp: 108 °C

Axial Tilt: 36.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.55 AU - 3.21 AU

Year: 1462 Days

Day: 36.4 Hours

Environment

Temp: -26 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.94 AU - 3.58 AU

Year: 1761 Days

Day: 36.3 Hours

Environment

Temp: -35 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.14 AU - 8.62 AU

Year: 7259 Days

Day: 12.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 80 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 8.21 AU - 9.21 AU

Year: 7692 Days

Day: 45.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 14.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606

Radius: 11.2

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 14.45 AU - 14.77 AU

Year: 16710 Days

Day: 14.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,625,592 km

• M1: 139,276 km (0.083 R)
• M2: 522,695 km (0.111 R)
• M3: 1,010,982 km (0.096 R)
• M4: 1,454,839 km (0.093 R)
• M5: 1,937,891 km (0.067 R)
• M6: 2,613,774 km (0.1 R)
• M7: 3,335,285 km (0.086 R)
• M8: 6,269,946 km (0.106 R)
• M9: 7,156,463 km (0.099 R)
• M10: 9,495,126 km (0.111 R)
• M11: 11,073,384 km (0.059 R)
• M12: 11,615,975 km (0.082 R)
• M13: 12,819,790 km (0.112 R)
• M14: 19,672,569 km (0.094 R)
• M15: 21,844,431 km (0.118 R)
• M16: 22,221,268 km (0.105 R)
• M17: 26,339,398 km (0.111 R)
• M18: 34,500,111 km (0.066 R)
• M19: 45,107,797 km (0.045 R)
• M20: 52,313,627 km (0.082 R)
• M21: 56,807,996 km (0.079 R)
• M22: 61,553,390 km (0.074 R)

Planet 9 - Gas Giant

Semi-Major Axis: 16.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.7

Radius: 9.9

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 14.82 AU - 18.52 AU

Year: 20366 Days

Day: 7.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,625,592 km

• M1: 124,465 km (0.094 R)
• M2: 492,327 km (0.091 R)
• M3: 915,689 km (0.094 R)
• M4: 1,304,194 km (0.066 R)
• M5: 1,950,607 km (0.03 R)
• M6: 2,749,310 km (0.035 R)
• M7: 3,077,228 km (0.06 R)
• M8: 4,320,985 km (0.108 R)
• M9: 5,551,577 km (0.066 R)
• M10: 6,955,852 km (0.093 R)
• M11: 8,583,627 km (0.113 R)
• M12: 8,959,267 km (0.096 R)
• M13: 10,572,680 km (0.061 R)
• M14: 12,851,205 km (0.112 R)
• M15: 15,596,625 km (0.074 R)
• M16: 17,317,450 km (0.118 R)
• M17: 17,745,150 km (0.112 R)
• M18: 22,620,993 km (0.069 R)
• M19: 23,861,010 km (0.103 R)
• M20: 24,390,886 km (0.108 R)
• M21: 26,589,077 km (0.109 R)
• M22: 31,249,649 km (0.032 R)
• M23: 32,786,468 km (0.1 R)
• M24: 39,145,724 km (0.094 R)
• M25: 43,393,555 km (0.092 R)
• M26: 45,791,160 km (0.109 R)
• M27: 50,326,668 km (0.1 R)
• M28: 50,674,184 km (0.047 R)
• M29: 65,507,561 km (0.052 R)
• M30: 71,248,529 km (0.073 R)

Kuiper Belt

Range: 36.6 - 61.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 17,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit