🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.53 AU - 0.61 AU

Year: 161 Days

Day: 39.3 Hours

Environment

Temp: 165 °C

Axial Tilt: 44.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.51 AU - 0.71 AU

Year: 179 Days

Day: 40.4 Hours

Environment

Temp: 205 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.12 AU - 1.5 AU

Year: 562 Days

Day: 26.7 Hours

Environment

Temp: -24 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.21 AU - 2.01 AU

Year: 766 Days

Day: 41 Hours

Environment

Temp: -47 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,171,275 km

• M1: 50,115 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.48 AU - 2.02 AU

Year: 868 Days

Day: 16.9 Hours

Environment

Temp: -52 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.48 AU - 2.04 AU

Year: 875 Days

Day: 19.4 Hours

Environment

Temp: -68 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.24 AU - 2.32 AU

Year: 1290 Days

Day: 30.5 Hours

Environment

Temp: -89 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,171,275 km

• M1: 707,897 km (0.049 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.29 AU - 3.57 AU

Year: 2381 Days

Day: 25.1 Hours

Environment

Temp: -122 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,171,275 km

• M1: 24,833 km (0.086 R)

Asteroid Belt

Center: 7.93 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 12.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.9

Radius: 5

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 11.95 AU - 12.91 AU

Year: 16422 Days

Day: 16 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,171,275 km

• M1: 62,831 km (0.11 R)
• M2: 283,638 km (0.05 R)
• M3: 708,795 km (0.101 R)
• M4: 1,163,722 km (0.072 R)
• M5: 1,382,135 km (0.054 R)
• M6: 1,640,041 km (0.097 R)
• M7: 3,024,121 km (0.088 R)
• M8: 3,480,544 km (0.076 R)
• M9: 4,166,749 km (0.068 R)
• M10: 4,629,605 km (0.096 R)
• M11: 5,126,121 km (0.065 R)
• M12: 6,633,618 km (0.109 R)
• M13: 7,127,890 km (0.049 R)
• M14: 7,933,025 km (0.036 R)
• M15: 12,049,510 km (0.112 R)
• M16: 15,734,405 km (0.07 R)
• M17: 16,374,385 km (0.108 R)
• M18: 20,998,305 km (0.119 R)
• M19: 23,833,185 km (0.107 R)
• M20: 27,409,023 km (0.034 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.6

Radius: 7.4

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 16.52 AU - 20.12 AU

Year: 29384 Days

Day: 18.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,171,275 km

• M1: 635,492 km (0.09 R)
• M2: 2,637,560 km (0.109 R)
• M3: 4,038,993 km (0.105 R)
• M4: 4,471,331 km (0.087 R)
• M5: 6,725,023 km (0.049 R)
• M6: 8,508,828 km (0.105 R)
• M7: 9,589,822 km (0.072 R)
• M8: 12,335,990 km (0.112 R)
• M9: 15,198,396 km (0.101 R)
• M10: 22,478,576 km (0.086 R)
• M11: 25,446,598 km (0.034 R)
• M12: 37,080,226 km (0.087 R)
• M13: 39,242,214 km (0.065 R)
• M14: 40,214,002 km (0.044 R)
• M15: 45,770,965 km (0.04 R)
• M16: 58,557,693 km (0.077 R)
• M17: 59,461,713 km (0.106 R)
• M18: 62,229,872 km (0.057 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 17,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit