🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.71 AU - 1.15 AU

Year: 329 Days

Day: 41.9 Hours

Environment

Temp: 79 °C

Axial Tilt: 25.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,668,446 km

• M1: 51,162 km (0.048 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.53 AU - 3.91 AU

Year: 2121 Days

Day: 14.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527

Radius: 9.9

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.27 AU - 7.91 AU

Year: 6210 Days

Day: 13.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,668,446 km

• M1: 123,119 km (0.077 R)
• M2: 715,826 km (0.087 R)
• M3: 1,166,714 km (0.107 R)
• M4: 1,512,135 km (0.085 R)
• M5: 1,926,372 km (0.098 R)
• M6: 3,142,752 km (0.111 R)
• M7: 4,151,939 km (0.062 R)
• M8: 4,891,252 km (0.09 R)
• M9: 5,421,576 km (0.055 R)
• M10: 5,897,597 km (0.109 R)
• M11: 6,433,756 km (0.066 R)
• M12: 6,797,727 km (0.112 R)
• M13: 7,351,688 km (0.094 R)
• M14: 7,860,919 km (0.085 R)
• M15: 9,362,433 km (0.106 R)
• M16: 10,404,233 km (0.088 R)
• M17: 14,213,742 km (0.088 R)
• M18: 14,832,778 km (0.1 R)
• M19: 18,597,259 km (0.086 R)
• M20: 21,899,782 km (0.106 R)
• M21: 23,494,495 km (0.116 R)
• M22: 23,885,394 km (0.117 R)
• M23: 25,410,096 km (0.037 R)
• M24: 26,405,969 km (0.082 R)
• M25: 27,861,107 km (0.038 R)
• M26: 28,830,651 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.5

Radius: 7.4

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 14.6 AU - 22.78 AU

Year: 29661 Days

Day: 22 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,668,446 km

• M1: 92,003 km (0.098 R)
• M2: 462,706 km (0.095 R)
• M3: 905,217 km (0.113 R)
• M4: 1,219,821 km (0.098 R)
• M5: 1,474,586 km (0.102 R)
• M6: 4,389,950 km (0.047 R)
• M7: 4,848,766 km (0.102 R)
• M8: 5,496,675 km (0.09 R)
• M9: 7,440,549 km (0.069 R)
• M10: 8,728,587 km (0.091 R)
• M11: 9,283,146 km (0.107 R)
• M12: 13,549,378 km (0.047 R)
• M13: 23,283,263 km (0.076 R)
• M14: 25,894,045 km (0.062 R)
• M15: 33,932,687 km (0.116 R)
• M16: 35,024,153 km (0.085 R)
• M17: 35,998,334 km (0.096 R)
• M18: 38,881,085 km (0.09 R)
• M19: 40,075,923 km (0.114 R)
• M20: 40,530,402 km (0.053 R)
• M21: 43,488,101 km (0.063 R)
• M22: 44,289,796 km (0.106 R)
• M23: 46,087,962 km (0.059 R)
• M24: 50,004,135 km (0.093 R)
• M25: 54,136,477 km (0.113 R)
• M26: 56,002,112 km (0.08 R)
• M27: 57,141,749 km (0.07 R)
• M28: 58,490,823 km (0.118 R)
• M29: 59,467,398 km (0.044 R)
• M30: 67,674,486 km (0.117 R)
• M31: 72,047,531 km (0.081 R)
• M32: 73,395,259 km (0.057 R)
• M33: 77,539,120 km (0.108 R)
• M34: 78,717,352 km (0.073 R)
• M35: 79,191,877 km (0.052 R)
• M36: 79,429,887 km (0.104 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 14,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit