🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.6 AU - 0.68 AU

Year: 181 Days

Day: 38.4 Hours

Environment

Temp: 153 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1 AU - 1.06 AU

Year: 369 Days

Day: 41.5 Hours

Environment

Temp: 103 °C

Axial Tilt: 42.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 28,663,979 km

• M1: 56,249 km (0.073 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.03 AU - 1.17 AU

Year: 407 Days

Day: 42.5 Hours

Environment

Temp: 34 °C

Axial Tilt: 34.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 28,663,979 km

• M1: 37,848 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.25 AU - 1.63 AU

Year: 610 Days

Day: 12.7 Hours

Environment

Temp: 8 °C

Axial Tilt: 35.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 28,663,979 km

• M1: 791,822 km (0.084 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.11 AU - 1.83 AU

Year: 629 Days

Day: 41.4 Hours

Environment

Temp: -1 °C

Axial Tilt: 34.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 28,663,979 km

• M1: 861,833 km (0.065 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.36 AU - 2.64 AU

Year: 1396 Days

Day: 24.9 Hours

Environment

Temp: -72 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.61 AU - 5.23 AU

Year: 3853 Days

Day: 46.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,663,979 km

• M1: 78,389 km (0.084 R)

Asteroid Belt

Center: 6.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283

Radius: 8.8

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.28 AU - 7.64 AU

Year: 7195 Days

Day: 12 Hours

Environment

Temp: -145 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,663,979 km

• M1: 109,506 km (0.104 R)
• M2: 519,105 km (0.088 R)
• M3: 1,145,022 km (0.108 R)
• M4: 1,452,745 km (0.109 R)
• M5: 2,034,531 km (0.109 R)
• M6: 2,332,530 km (0.107 R)
• M7: 3,366,999 km (0.069 R)
• M8: 3,941,904 km (0.103 R)
• M9: 4,681,067 km (0.117 R)
• M10: 6,277,276 km (0.097 R)
• M11: 6,947,774 km (0.104 R)
• M12: 7,807,363 km (0.083 R)
• M13: 12,011,961 km (0.078 R)
• M14: 13,504,349 km (0.111 R)
• M15: 17,831,767 km (0.111 R)
• M16: 20,512,112 km (0.09 R)
• M17: 21,912,348 km (0.076 R)
• M18: 23,826,453 km (0.089 R)
• M19: 24,591,347 km (0.096 R)

Kuiper Belt

Range: 31.1 - 60.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 15,126 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit