🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.52 AU - 0.56 AU

Year: 174 Days

Day: 33.2 Hours

Environment

Temp: 16 °C

Axial Tilt: 35.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.45 AU - 0.67 AU

Year: 184 Days

Day: 44.2 Hours

Environment

Temp: 30 °C

Axial Tilt: 25.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.59 AU - 0.77 AU

Year: 247 Days

Day: 37.7 Hours

Environment

Temp: -17 °C

Axial Tilt: 6.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.7 AU - 1.06 AU

Year: 363 Days

Day: 15.8 Hours

Environment

Temp: -45 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,446,475 km

• M1: 119,080 km (0.045 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.31 AU - 2.17 AU

Year: 1009 Days

Day: 45.3 Hours

Environment

Temp: -110 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,446,475 km

• M1: 250,277 km (0.095 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.68 AU - 2.14 AU

Year: 1161 Days

Day: 13.4 Hours

Environment

Temp: -113 °C

Axial Tilt: 70.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.6

Radius: 11.9

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.01 AU - 4.77 AU

Year: 3374 Days

Day: 11.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,446,475 km

• M1: 147,952 km (0.07 R)
• M2: 682,914 km (0.106 R)
• M3: 1,603,689 km (0.094 R)
• M4: 2,048,892 km (0.111 R)
• M5: 2,519,976 km (0.093 R)
• M6: 2,967,274 km (0.08 R)
• M7: 4,639,329 km (0.082 R)
• M8: 5,245,949 km (0.102 R)
• M9: 6,784,263 km (0.119 R)
• M10: 9,950,054 km (0.076 R)
• M11: 10,428,468 km (0.102 R)
• M12: 14,827,094 km (0.118 R)
• M13: 16,396,824 km (0.046 R)
• M14: 16,805,974 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.9

Radius: 9.1

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.19 AU - 5.23 AU

Year: 3798 Days

Day: 8.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,446,475 km

• M1: 113,545 km (0.089 R)
• M2: 457,919 km (0.061 R)
• M3: 1,087,128 km (0.057 R)
• M4: 1,461,422 km (0.04 R)
• M5: 1,811,181 km (0.067 R)
• M6: 2,254,141 km (0.104 R)
• M7: 3,211,567 km (0.077 R)
• M8: 4,030,466 km (0.112 R)
• M9: 4,539,996 km (0.048 R)
• M10: 6,484,320 km (0.112 R)
• M11: 7,438,455 km (0.114 R)
• M12: 8,024,280 km (0.107 R)
• M13: 8,863,375 km (0.116 R)
• M14: 9,287,784 km (0.109 R)
• M15: 9,759,915 km (0.03 R)
• M16: 10,212,598 km (0.11 R)
• M17: 11,732,512 km (0.095 R)
• M18: 12,812,459 km (0.09 R)
• M19: 14,667,174 km (0.112 R)
• M20: 15,215,151 km (0.109 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.4

Radius: 14.4

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.97 AU - 9.75 AU

Year: 10629 Days

Day: 9.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,446,475 km

• M1: 179,218 km (0.06 R)
• M2: 755,170 km (0.044 R)
• M3: 1,443,769 km (0.115 R)
• M4: 2,502,623 km (0.111 R)
• M5: 4,123,665 km (0.107 R)
• M6: 5,903,282 km (0.073 R)
• M7: 6,749,557 km (0.096 R)
• M8: 8,376,733 km (0.079 R)
• M9: 10,383,887 km (0.059 R)
• M10: 11,149,978 km (0.116 R)
• M11: 11,713,364 km (0.114 R)
• M12: 13,050,619 km (0.032 R)
• M13: 16,443,798 km (0.098 R)
• M14: 18,440,930 km (0.111 R)
• M15: 19,163,487 km (0.04 R)
• M16: 22,912,559 km (0.071 R)
• M17: 26,957,686 km (0.11 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 20,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit