🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.65 AU - 0.87 AU

Year: 238 Days

Day: 20.6 Hours

Environment

Temp: 175 °C

Axial Tilt: 17.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.49 AU - 4.55 AU

Year: 2901 Days

Day: 18 Hours

Environment

Temp: -131 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.2

Radius: 11.9

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 7.66 AU - 7.78 AU

Year: 7720 Days

Day: 11.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,462,614 km

• M1: 149,897 km (0.096 R)
• M2: 1,125,425 km (0.12 R)
• M3: 1,500,915 km (0.05 R)
• M4: 1,961,976 km (0.053 R)
• M5: 3,329,001 km (0.073 R)
• M6: 3,860,373 km (0.115 R)
• M7: 4,939,871 km (0.113 R)
• M8: 5,717,631 km (0.062 R)
• M9: 6,513,491 km (0.043 R)
• M10: 8,884,169 km (0.114 R)
• M11: 10,284,255 km (0.103 R)
• M12: 11,192,165 km (0.077 R)
• M13: 11,734,457 km (0.039 R)
• M14: 12,871,700 km (0.112 R)
• M15: 16,725,192 km (0.113 R)
• M16: 17,315,056 km (0.043 R)
• M17: 17,736,174 km (0.118 R)
• M18: 18,661,586 km (0.108 R)
• M19: 19,489,611 km (0.062 R)
• M20: 21,631,852 km (0.098 R)
• M21: 24,903,707 km (0.038 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.3

Radius: 7

Gravity: 14.37 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 12.58 AU - 15.66 AU

Year: 19095 Days

Day: 23.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,462,614 km

• M1: 87,066 km (0.063 R)
• M2: 328,218 km (0.078 R)
• M3: 550,371 km (0.091 R)
• M4: 1,180,776 km (0.086 R)
• M5: 1,957,937 km (0.034 R)
• M6: 2,456,247 km (0.092 R)
• M7: 3,141,256 km (0.11 R)
• M8: 4,918,778 km (0.095 R)
• M9: 7,468,973 km (0.05 R)
• M10: 7,809,009 km (0.1 R)
• M11: 8,624,766 km (0.047 R)
• M12: 9,895,151 km (0.091 R)
• M13: 11,540,129 km (0.092 R)
• M14: 11,994,757 km (0.057 R)
• M15: 12,664,956 km (0.111 R)
• M16: 15,832,990 km (0.109 R)
• M17: 18,158,190 km (0.056 R)
• M18: 18,596,063 km (0.109 R)
• M19: 21,083,277 km (0.108 R)
• M20: 21,372,749 km (0.104 R)
• M21: 22,961,029 km (0.113 R)
• M22: 25,271,269 km (0.098 R)
• M23: 26,932,404 km (0.117 R)
• M24: 30,717,230 km (0.118 R)
• M25: 33,124,260 km (0.033 R)
• M26: 37,036,244 km (0.094 R)
• M27: 37,457,811 km (0.116 R)
• M28: 44,169,819 km (0.066 R)
• M29: 51,466,155 km (0.058 R)
• M30: 57,625,549 km (0.082 R)
• M31: 65,479,437 km (0.095 R)
• M32: 67,548,675 km (0.11 R)
• M33: 70,518,192 km (0.071 R)

Kuiper Belt

Range: 30.5 - 45.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 19,349 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit