🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.66 AU - 0.8 AU

Year: 233 Days

Day: 29.1 Hours

Environment

Temp: 189 °C

Axial Tilt: 8.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,040,557 km

• M1: 44,281 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.66 AU - 1.08 AU

Year: 303 Days

Day: 27 Hours

Environment

Temp: 79 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,040,557 km

• M1: 61,784 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.92 AU - 1.12 AU

Year: 384 Days

Day: 38.1 Hours

Environment

Temp: 16 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 50,040,557 km

• M1: 26,928 km (0.071 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.16 AU - 1.2 AU

Year: 478 Days

Day: 33.4 Hours

Environment

Temp: 0 °C

Axial Tilt: 25.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 5.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.5

Radius: 11.8

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 10.08 AU - 10.94 AU

Year: 12702 Days

Day: 13.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,040,557 km

• M1: 146,756 km (0.104 R)
• M2: 692,788 km (0.102 R)
• M3: 1,368,521 km (0.095 R)
• M4: 1,846,786 km (0.116 R)
• M5: 2,334,176 km (0.112 R)
• M6: 4,270,122 km (0.094 R)
• M7: 6,650,074 km (0.095 R)
• M8: 9,387,715 km (0.086 R)
• M9: 10,594,970 km (0.052 R)
• M10: 13,268,882 km (0.045 R)
• M11: 14,235,733 km (0.077 R)
• M12: 20,035,194 km (0.065 R)
• M13: 21,698,872 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.5

Radius: 7.1

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 10.91 AU - 17.27 AU

Year: 19716 Days

Day: 24.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,040,557 km

• M1: 89,908 km (0.103 R)
• M2: 425,606 km (0.065 R)
• M3: 736,620 km (0.074 R)
• M4: 3,333,489 km (0.087 R)
• M5: 3,632,835 km (0.068 R)
• M6: 4,032,261 km (0.089 R)
• M7: 5,475,731 km (0.101 R)
• M8: 5,893,408 km (0.081 R)
• M9: 8,353,844 km (0.091 R)
• M10: 10,191,804 km (0.085 R)
• M11: 10,932,014 km (0.047 R)
• M12: 17,591,662 km (0.096 R)
• M13: 20,330,201 km (0.099 R)
• M14: 25,282,190 km (0.115 R)
• M15: 28,444,390 km (0.111 R)
• M16: 40,527,559 km (0.118 R)
• M17: 48,410,170 km (0.073 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 17,591 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit