🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.47 AU - 0.75 AU

Year: 167 Days

Day: 39.5 Hours

Environment

Temp: 166 °C

Axial Tilt: 43.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.7 AU - 0.94 AU

Year: 261 Days

Day: 46.2 Hours

Environment

Temp: 165 °C

Axial Tilt: 19.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.27 AU - 1.89 AU

Year: 698 Days

Day: 45.1 Hours

Environment

Temp: -30 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.33 AU - 2.07 AU

Year: 779 Days

Day: 18.8 Hours

Environment

Temp: -34 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.16 AU - 4.36 AU

Year: 2562 Days

Day: 16.8 Hours

Environment

Temp: -106 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,420,879 km

• M1: 2,247,558 km (0.057 R)

Planet 6 - Terrestrial

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.35 AU - 5.67 AU

Year: 3941 Days

Day: 25 Hours

Environment

Temp: -121 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,420,879 km

• M1: 417,827 km (0.116 R)

Asteroid Belt

Center: 5.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.8

Radius: 11.8

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.31 AU - 5.93 AU

Year: 4683 Days

Day: 6.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,420,879 km

• M1: 146,756 km (0.063 R)
• M2: 557,102 km (0.118 R)
• M3: 1,143,676 km (0.085 R)
• M4: 1,536,669 km (0.112 R)
• M5: 2,033,933 km (0.043 R)
• M6: 2,837,722 km (0.117 R)
• M7: 3,411,430 km (0.106 R)
• M8: 3,901,213 km (0.109 R)
• M9: 4,288,672 km (0.108 R)
• M10: 7,364,853 km (0.087 R)
• M11: 8,895,239 km (0.054 R)
• M12: 9,754,080 km (0.12 R)
• M13: 10,433,703 km (0.063 R)
• M14: 11,803,571 km (0.114 R)
• M15: 14,411,960 km (0.099 R)
• M16: 15,244,173 km (0.117 R)
• M17: 16,578,586 km (0.082 R)
• M18: 17,166,056 km (0.079 R)
• M19: 19,069,989 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.4

Radius: 10.4

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.44 AU - 9 AU

Year: 6818 Days

Day: 13.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,420,879 km

• M1: 129,402 km (0.092 R)
• M2: 541,395 km (0.075 R)
• M3: 930,349 km (0.068 R)
• M4: 1,921,435 km (0.035 R)
• M5: 3,677,714 km (0.086 R)
• M6: 5,891,613 km (0.054 R)
• M7: 6,285,654 km (0.059 R)
• M8: 7,297,235 km (0.118 R)
• M9: 9,975,934 km (0.107 R)
• M10: 12,794,059 km (0.103 R)
• M11: 13,199,319 km (0.11 R)
• M12: 14,088,978 km (0.055 R)
• M13: 19,811,396 km (0.083 R)
• M14: 23,519,628 km (0.061 R)
• M15: 24,436,812 km (0.1 R)
• M16: 24,825,916 km (0.106 R)
• M17: 25,857,094 km (0.081 R)
• M18: 27,082,002 km (0.094 R)

Asteroid Belt

Center: 7.53 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.3

Radius: 13.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.91 AU - 9.75 AU

Year: 7701 Days

Day: 11.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,420,879 km

• M1: 173,982 km (0.111 R)
• M2: 634,295 km (0.106 R)
• M3: 1,127,370 km (0.102 R)
• M4: 1,953,449 km (0.11 R)
• M5: 2,413,911 km (0.118 R)
• M6: 2,947,676 km (0.112 R)
• M7: 3,753,411 km (0.108 R)
• M8: 5,715,835 km (0.086 R)
• M9: 8,028,020 km (0.063 R)
• M10: 9,189,049 km (0.079 R)
• M11: 10,547,996 km (0.059 R)
• M12: 11,699,750 km (0.039 R)
• M13: 12,232,319 km (0.055 R)
• M14: 12,984,796 km (0.067 R)
• M15: 14,036,020 km (0.029 R)
• M16: 14,749,153 km (0.107 R)
• M17: 16,547,469 km (0.118 R)
• M18: 19,885,895 km (0.072 R)
• M19: 23,344,748 km (0.053 R)
• M20: 23,880,607 km (0.116 R)
• M21: 25,780,500 km (0.097 R)
• M22: 27,018,123 km (0.08 R)

Kuiper Belt

Range: 31.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 20,068 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit