🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.51 AU - 3.81 AU

Year: 1993 Days

Day: 15.6 Hours

Environment

Temp: -106 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.94 AU - 3.72 AU

Year: 2156 Days

Day: 22 Hours

Environment

Temp: -112 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.6 AU - 4.68 AU

Year: 3546 Days

Day: 31.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.8

Radius: 13.7

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 8.15 AU - 9.23 AU

Year: 9088 Days

Day: 5.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,353,449 km

• M1: 170,392 km (0.101 R)
• M2: 913,594 km (0.066 R)
• M3: 2,263,565 km (0.118 R)
• M4: 2,921,497 km (0.051 R)
• M5: 4,301,388 km (0.102 R)
• M6: 5,057,306 km (0.056 R)
• M7: 6,115,860 km (0.114 R)
• M8: 8,396,031 km (0.082 R)
• M9: 8,950,441 km (0.099 R)
• M10: 10,132,713 km (0.066 R)
• M11: 10,708,365 km (0.034 R)
• M12: 11,868,048 km (0.03 R)
• M13: 13,171,045 km (0.114 R)
• M14: 16,413,280 km (0.114 R)
• M15: 16,916,378 km (0.098 R)
• M16: 17,802,745 km (0.101 R)
• M17: 19,111,278 km (0.08 R)
• M18: 21,066,372 km (0.077 R)
• M19: 21,660,874 km (0.105 R)
• M20: 26,141,480 km (0.104 R)
• M21: 28,753,608 km (0.094 R)
• M22: 32,877,423 km (0.102 R)
• M23: 34,024,989 km (0.063 R)
• M24: 36,765,472 km (0.077 R)
• M25: 37,627,904 km (0.112 R)
• M26: 39,265,402 km (0.069 R)
• M27: 45,582,920 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.7

Radius: 5.4

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 13.61 AU - 18.99 AU

Year: 23346 Days

Day: 15.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,353,449 km

• M1: 67,169 km (0.051 R)
• M2: 415,732 km (0.103 R)
• M3: 689,048 km (0.075 R)
• M4: 1,066,782 km (0.106 R)
• M5: 1,401,433 km (0.115 R)
• M6: 4,513,667 km (0.113 R)
• M7: 4,861,632 km (0.064 R)
• M8: 6,012,937 km (0.107 R)
• M9: 6,874,770 km (0.116 R)
• M10: 7,064,161 km (0.04 R)
• M11: 7,493,357 km (0.04 R)
• M12: 8,232,670 km (0.088 R)
• M13: 8,840,486 km (0.102 R)
• M14: 9,155,390 km (0.095 R)
• M15: 10,490,401 km (0.058 R)
• M16: 10,894,465 km (0.081 R)
• M17: 13,599,344 km (0.105 R)
• M18: 13,778,113 km (0.046 R)
• M19: 14,633,664 km (0.08 R)
• M20: 15,588,846 km (0.085 R)
• M21: 18,998,630 km (0.092 R)
• M22: 22,706,713 km (0.072 R)
• M23: 26,776,373 km (0.029 R)

Kuiper Belt

Range: 30.9 - 45.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 14,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit