🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.53 AU - 0.83 AU

Year: 214 Days

Day: 43.8 Hours

Environment

Temp: 150 °C

Axial Tilt: 12 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.2 AU - 2.46 AU

Year: 1354 Days

Day: 27.9 Hours

Environment

Temp: -99 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,861,606 km

• M1: 30,967 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694

Radius: 10.7

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 8.74 AU - 10.18 AU

Year: 11080 Days

Day: 9 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,861,606 km

• M1: 133,441 km (0.092 R)
• M2: 1,156,392 km (0.062 R)
• M3: 1,507,498 km (0.101 R)
• M4: 2,031,689 km (0.047 R)
• M5: 2,472,404 km (0.081 R)
• M6: 6,406,978 km (0.098 R)
• M7: 6,913,217 km (0.048 R)
• M8: 8,274,109 km (0.112 R)
• M9: 8,640,623 km (0.094 R)
• M10: 10,268,847 km (0.115 R)
• M11: 11,518,587 km (0.086 R)
• M12: 12,928,098 km (0.066 R)
• M13: 16,514,408 km (0.074 R)
• M14: 18,457,385 km (0.111 R)
• M15: 30,934,596 km (0.051 R)
• M16: 34,106,819 km (0.056 R)
• M17: 35,051,529 km (0.057 R)
• M18: 37,489,825 km (0.107 R)
• M19: 41,222,740 km (0.066 R)
• M20: 43,247,697 km (0.102 R)
• M21: 48,524,313 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.8

Radius: 4.3

Gravity: 47.85 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 11.05 AU - 14.29 AU

Year: 17174 Days

Day: 17.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,861,606 km

• M1: 54,753 km (0.095 R)
• M2: 237,561 km (0.065 R)
• M3: 401,820 km (0.109 R)
• M4: 999,763 km (0.063 R)
• M5: 1,338,153 km (0.084 R)
• M6: 2,134,462 km (0.049 R)
• M7: 2,574,430 km (0.069 R)
• M8: 3,125,399 km (0.114 R)
• M9: 3,457,207 km (0.032 R)
• M10: 4,456,969 km (0.067 R)
• M11: 5,477,975 km (0.084 R)
• M12: 6,001,268 km (0.112 R)
• M13: 6,690,166 km (0.09 R)
• M14: 7,526,568 km (0.118 R)
• M15: 8,693,880 km (0.109 R)
• M16: 10,391,068 km (0.115 R)
• M17: 13,689,851 km (0.071 R)
• M18: 14,127,275 km (0.025 R)
• M19: 14,800,914 km (0.087 R)
• M20: 18,493,139 km (0.089 R)
• M21: 19,117,561 km (0.111 R)
• M22: 19,389,530 km (0.09 R)
• M23: 21,855,052 km (0.093 R)
• M24: 23,265,610 km (0.086 R)
• M25: 24,098,272 km (0.115 R)
• M26: 25,166,700 km (0.1 R)
• M27: 34,606,625 km (0.082 R)
• M28: 37,358,627 km (0.118 R)
• M29: 38,211,784 km (0.088 R)
• M30: 42,982,610 km (0.091 R)
• M31: 45,349,547 km (0.038 R)
• M32: 50,859,536 km (0.046 R)
• M33: 51,731,392 km (0.059 R)
• M34: 52,082,947 km (0.114 R)
• M35: 57,361,060 km (0.086 R)
• M36: 63,385,366 km (0.095 R)
• M37: 68,328,827 km (0.08 R)
• M38: 69,817,625 km (0.072 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 14,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit