🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.57 AU - 0.63 AU

Year: 178 Days

Day: 31.9 Hours

Environment

Temp: 114 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.73 AU - 1.11 AU

Year: 338 Days

Day: 35.9 Hours

Environment

Temp: 29 °C

Axial Tilt: 12.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.07 AU - 1.33 AU

Year: 503 Days

Day: 20.2 Hours

Environment

Temp: -31 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.3 AU - 1.44 AU

Year: 614 Days

Day: 38.4 Hours

Environment

Temp: -41 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.25 AU - 1.63 AU

Year: 662 Days

Day: 29.1 Hours

Environment

Temp: -52 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.74 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.94 AU - 2.12 AU

Year: 1107 Days

Day: 42.5 Hours

Environment

Temp: -89 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.11 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.2

Radius: 10.7

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.45 AU - 4.91 AU

Year: 3272 Days

Day: 10.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 19,330,403 km

• M1: 139,724 km (0.114 R)
• M2: 497,263 km (0.117 R)
• M3: 942,915 km (0.065 R)
• M4: 1,486,105 km (0.114 R)
• M5: 2,063,553 km (0.063 R)
• M6: 2,478,388 km (0.093 R)
• M7: 3,447,333 km (0.107 R)
• M8: 3,950,132 km (0.115 R)
• M9: 4,943,013 km (0.063 R)
• M10: 5,913,604 km (0.085 R)
• M11: 7,082,562 km (0.052 R)
• M12: 7,522,080 km (0.029 R)
• M13: 9,070,568 km (0.061 R)
• M14: 9,404,171 km (0.084 R)
• M15: 9,746,002 km (0.114 R)
• M16: 11,370,934 km (0.094 R)
• M17: 12,599,731 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.8

Radius: 9.6

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.35 AU - 4.95 AU

Year: 3839 Days

Day: 10.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,330,403 km

• M1: 122,371 km (0.12 R)
• M2: 550,221 km (0.119 R)
• M3: 943,065 km (0.095 R)
• M4: 1,482,515 km (0.112 R)
• M5: 2,463,578 km (0.061 R)
• M6: 3,077,677 km (0.042 R)
• M7: 3,602,766 km (0.092 R)
• M8: 4,044,827 km (0.098 R)
• M9: 4,787,132 km (0.106 R)
• M10: 6,213,398 km (0.118 R)
• M11: 6,708,717 km (0.107 R)
• M12: 7,289,904 km (0.109 R)
• M13: 8,031,012 km (0.063 R)
• M14: 8,992,777 km (0.098 R)
• M15: 9,519,361 km (0.053 R)
• M16: 9,918,638 km (0.078 R)
• M17: 14,932,859 km (0.113 R)
• M18: 18,703,324 km (0.084 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 15,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit