🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.61 AU - 0.71 AU

Year: 188 Days

Day: 15.6 Hours

Environment

Temp: 223 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,621,710 km

• M1: 132,394 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.58 AU - 0.78 AU

Year: 197 Days

Day: 42.7 Hours

Environment

Temp: 200 °C

Axial Tilt: 42.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,621,710 km

• M1: 85,570 km (0.058 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.57 AU - 1.93 AU

Year: 814 Days

Day: 27 Hours

Environment

Temp: -40 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,621,710 km

• M1: 236,664 km (0.083 R)

Asteroid Belt

Center: 5.14 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.8

Radius: 13.8

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.08 AU - 9.98 AU

Year: 8756 Days

Day: 12.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,621,710 km

• M1: 171,589 km (0.036 R)
• M2: 702,960 km (0.095 R)
• M3: 1,451,698 km (0.111 R)
• M4: 2,794,189 km (0.082 R)
• M5: 3,369,692 km (0.062 R)
• M6: 3,821,328 km (0.117 R)
• M7: 4,367,959 km (0.086 R)
• M8: 5,178,181 km (0.066 R)
• M9: 5,619,644 km (0.101 R)
• M10: 7,928,687 km (0.028 R)
• M11: 9,090,315 km (0.05 R)
• M12: 11,537,437 km (0.045 R)
• M13: 15,596,176 km (0.119 R)
• M14: 17,555,909 km (0.064 R)
• M15: 20,678,166 km (0.073 R)
• M16: 22,123,281 km (0.103 R)
• M17: 22,786,748 km (0.118 R)
• M18: 25,846,922 km (0.097 R)
• M19: 26,490,342 km (0.099 R)
• M20: 28,290,603 km (0.061 R)
• M21: 29,072,551 km (0.065 R)
• M22: 34,400,629 km (0.059 R)
• M23: 35,067,386 km (0.118 R)
• M24: 40,839,770 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.4

Radius: 5.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 14.18 AU - 15.24 AU

Year: 19829 Days

Day: 16.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,621,710 km

• M1: 69,713 km (0.061 R)
• M2: 244,144 km (0.069 R)
• M3: 1,465,311 km (0.093 R)
• M4: 1,945,969 km (0.113 R)
• M5: 2,172,161 km (0.118 R)
• M6: 3,795,298 km (0.069 R)
• M7: 4,808,824 km (0.066 R)
• M8: 6,650,074 km (0.088 R)
• M9: 6,867,889 km (0.117 R)
• M10: 11,032,245 km (0.096 R)
• M11: 16,227,330 km (0.113 R)
• M12: 17,432,041 km (0.101 R)
• M13: 18,911,415 km (0.118 R)
• M14: 20,093,388 km (0.071 R)
• M15: 21,167,201 km (0.064 R)
• M16: 25,314,802 km (0.052 R)
• M17: 25,757,163 km (0.09 R)
• M18: 27,392,417 km (0.084 R)
• M19: 28,046,758 km (0.095 R)

Kuiper Belt

Range: 31.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 13,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit