🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.74 AU - 1.04 AU

Year: 296 Days

Day: 39.8 Hours

Environment

Temp: 162 °C

Axial Tilt: 172.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.09 AU - 3.51 AU

Year: 2117 Days

Day: 32.1 Hours

Environment

Temp: -95 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.3

Radius: 9.7

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.63 AU - 6.77 AU

Year: 6124 Days

Day: 7.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,558,828 km

• M1: 121,324 km (0.06 R)
• M2: 506,688 km (0.118 R)
• M3: 1,045,091 km (0.067 R)
• M4: 2,087,638 km (0.029 R)
• M5: 3,622,961 km (0.041 R)
• M6: 5,646,272 km (0.113 R)
• M7: 6,088,035 km (0.108 R)
• M8: 8,169,540 km (0.088 R)
• M9: 9,457,877 km (0.053 R)
• M10: 10,973,004 km (0.071 R)
• M11: 11,412,971 km (0.119 R)
• M12: 12,590,755 km (0.039 R)
• M13: 13,456,777 km (0.043 R)
• M14: 16,801,786 km (0.031 R)
• M15: 17,850,916 km (0.088 R)
• M16: 18,323,346 km (0.106 R)
• M17: 21,944,512 km (0.057 R)
• M18: 24,085,706 km (0.04 R)
• M19: 25,673,687 km (0.081 R)
• M20: 26,275,819 km (0.112 R)
• M21: 27,152,462 km (0.087 R)
• M22: 30,470,393 km (0.118 R)
• M23: 31,732,102 km (0.081 R)
• M24: 32,127,190 km (0.08 R)
• M25: 34,049,074 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 12.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.4

Radius: 14

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 10.28 AU - 14.68 AU

Year: 15568 Days

Day: 8.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,558,828 km

• M1: 177,273 km (0.084 R)
• M2: 729,589 km (0.097 R)
• M3: 1,265,299 km (0.105 R)
• M4: 1,851,722 km (0.06 R)
• M5: 3,559,681 km (0.088 R)
• M6: 4,326,969 km (0.057 R)
• M7: 5,875,157 km (0.103 R)
• M8: 8,297,595 km (0.071 R)
• M9: 9,703,666 km (0.077 R)
• M10: 10,206,165 km (0.095 R)
• M11: 12,785,083 km (0.043 R)
• M12: 17,103,824 km (0.115 R)
• M13: 20,806,072 km (0.106 R)
• M14: 26,387,868 km (0.111 R)
• M15: 28,830,053 km (0.099 R)
• M16: 55,431,247 km (0.113 R)
• M17: 58,497,106 km (0.048 R)
• M18: 64,964,820 km (0.071 R)

Kuiper Belt

Range: 31.1 - 49.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 14,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit