🌌 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: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.54 AU - 0.82 AU

Year: 196 Days

Day: 16.7 Hours

Environment

Temp: 209 °C

Axial Tilt: 38.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 59,734,850 km

• M1: 52,359 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.82 AU - 2.8 AU

Year: 1228 Days

Day: 40.5 Hours

Environment

Temp: -59 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.1

Radius: 12.4

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.25 AU - 11.49 AU

Year: 10034 Days

Day: 7.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,734,850 km

• M1: 154,385 km (0.109 R)
• M2: 653,144 km (0.059 R)
• M3: 1,180,028 km (0.086 R)
• M4: 2,031,988 km (0.112 R)
• M5: 2,603,452 km (0.101 R)
• M6: 2,996,296 km (0.074 R)
• M7: 4,023,285 km (0.113 R)
• M8: 4,631,849 km (0.093 R)
• M9: 5,568,332 km (0.084 R)
• M10: 6,194,848 km (0.057 R)
• M11: 6,592,928 km (0.097 R)
• M12: 7,258,638 km (0.035 R)
• M13: 7,664,049 km (0.069 R)
• M14: 9,614,506 km (0.117 R)
• M15: 10,149,916 km (0.106 R)
• M16: 13,403,520 km (0.077 R)
• M17: 14,300,210 km (0.09 R)
• M18: 16,526,825 km (0.078 R)
• M19: 17,426,656 km (0.119 R)
• M20: 17,955,335 km (0.111 R)
• M21: 18,768,549 km (0.114 R)
• M22: 20,541,284 km (0.107 R)
• M23: 23,606,095 km (0.115 R)
• M24: 25,584,677 km (0.081 R)
• M25: 27,760,727 km (0.111 R)
• M26: 28,939,858 km (0.06 R)
• M27: 30,914,699 km (0.098 R)
• M28: 31,787,902 km (0.089 R)
• M29: 32,379,262 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.9

Radius: 6.1

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 19.02 AU - 20.36 AU

Year: 30566 Days

Day: 15.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,734,850 km

• M1: 75,846 km (0.026 R)
• M2: 277,205 km (0.048 R)
• M3: 711,039 km (0.115 R)
• M4: 1,545,944 km (0.086 R)
• M5: 1,818,961 km (0.094 R)
• M6: 2,633,671 km (0.072 R)
• M7: 3,865,459 km (0.101 R)
• M8: 5,123,278 km (0.031 R)
• M9: 6,840,063 km (0.119 R)
• M10: 7,668,237 km (0.117 R)
• M11: 8,272,313 km (0.111 R)
• M12: 15,496,245 km (0.084 R)
• M13: 16,764,087 km (0.042 R)
• M14: 19,589,243 km (0.058 R)
• M15: 22,436,389 km (0.112 R)
• M16: 23,958,249 km (0.111 R)
• M17: 25,649,303 km (0.037 R)
• M18: 27,418,447 km (0.107 R)
• M19: 27,738,886 km (0.111 R)
• M20: 32,016,487 km (0.07 R)
• M21: 35,184,073 km (0.105 R)
• M22: 36,843,412 km (0.074 R)
• M23: 38,287,630 km (0.026 R)
• M24: 42,133,642 km (0.094 R)
• M25: 44,003,615 km (0.094 R)
• M26: 44,442,835 km (0.038 R)
• M27: 48,373,219 km (0.087 R)
• M28: 50,582,630 km (0.089 R)
• M29: 56,398,547 km (0.093 R)
• M30: 57,264,120 km (0.1 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 17,137 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit