🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.4

Radius: 9.6

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.5 AU - 0.68 AU

Year: 307 Days

Day: 10.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,207,040 km

• M1: 119,379 km (0.104 R)
• M2: 428,747 km (0.066 R)
• M3: 744,249 km (0.106 R)
• M4: 1,139,337 km (0.09 R)
• M5: 1,573,919 km (0.069 R)
• M6: 1,999,226 km (0.089 R)
• M7: 2,375,764 km (0.084 R)
• M8: 2,709,068 km (0.115 R)
• M9: 3,460,199 km (0.111 R)
• M10: 3,913,630 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.1

Radius: 8.6

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.37 AU - 2.43 AU

Year: 2522 Days

Day: 10.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,207,040 km

• M1: 113,395 km (0.107 R)
• M2: 433,385 km (0.107 R)
• M3: 832,512 km (0.07 R)
• M4: 1,167,911 km (0.113 R)
• M5: 1,575,415 km (0.106 R)
• M6: 2,303,957 km (0.072 R)
• M7: 3,795,298 km (0.093 R)
• M8: 5,073,013 km (0.047 R)
• M9: 6,116,907 km (0.104 R)
• M10: 6,470,856 km (0.1 R)
• M11: 9,782,504 km (0.099 R)
• M12: 12,072,698 km (0.109 R)
• M13: 12,744,243 km (0.112 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.4

Radius: 6.8

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.69 AU - 6.95 AU

Year: 9523 Days

Day: 23.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 128.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,207,040 km

• M1: 94,097 km (0.093 R)
• M2: 328,966 km (0.087 R)
• M3: 630,555 km (0.111 R)
• M4: 1,359,545 km (0.09 R)
• M5: 1,722,470 km (0.026 R)
• M6: 2,009,249 km (0.094 R)
• M7: 2,588,193 km (0.101 R)
• M8: 3,358,472 km (0.097 R)
• M9: 4,146,703 km (0.093 R)
• M10: 5,138,088 km (0.114 R)
• M11: 7,068,200 km (0.071 R)
• M12: 9,966,061 km (0.032 R)
• M13: 11,328,897 km (0.097 R)
• M14: 12,918,375 km (0.086 R)
• M15: 13,133,795 km (0.108 R)
• M16: 15,786,315 km (0.107 R)
• M17: 18,096,256 km (0.115 R)
• M18: 20,769,271 km (0.073 R)
• M19: 21,065,175 km (0.106 R)
• M20: 21,514,268 km (0.083 R)
• M21: 21,741,059 km (0.098 R)
• M22: 26,534,922 km (0.092 R)
• M23: 32,086,948 km (0.061 R)
• M24: 33,384,111 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.6

Radius: 3.7

Gravity: 51.83 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.37 AU - 6.93 AU

Year: 10344 Days

Day: 18.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,207,040 km

• M1: 46,226 km (0.076 R)
• M2: 230,530 km (0.071 R)
• M3: 359,783 km (0.092 R)
• M4: 479,312 km (0.093 R)
• M5: 2,046,050 km (0.056 R)
• M6: 2,808,700 km (0.054 R)
• M7: 4,153,734 km (0.089 R)
• M8: 5,948,460 km (0.117 R)
• M9: 7,550,504 km (0.117 R)
• M10: 9,766,048 km (0.092 R)
• M11: 9,968,155 km (0.117 R)
• M12: 15,356,221 km (0.116 R)
• M13: 16,469,230 km (0.032 R)
• M14: 16,827,816 km (0.045 R)
• M15: 17,560,546 km (0.066 R)
• M16: 18,776,777 km (0.111 R)
• M17: 18,932,658 km (0.088 R)
• M18: 20,292,652 km (0.097 R)
• M19: 42,672,793 km (0.11 R)
• M20: 49,310,301 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.3

Radius: 7.1

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 8.11 AU - 11.29 AU

Year: 20490 Days

Day: 19.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,207,040 km

• M1: 89,310 km (0.086 R)
• M2: 554,410 km (0.106 R)
• M3: 779,255 km (0.099 R)
• M4: 2,698,147 km (0.107 R)
• M5: 3,438,956 km (0.104 R)
• M6: 5,250,436 km (0.101 R)
• M7: 8,088,308 km (0.118 R)
• M8: 9,368,567 km (0.089 R)
• M9: 10,725,868 km (0.05 R)
• M10: 11,589,347 km (0.072 R)
• M11: 14,393,709 km (0.075 R)
• M12: 16,825,721 km (0.045 R)
• M13: 18,591,425 km (0.049 R)
• M14: 19,051,289 km (0.066 R)
• M15: 22,142,878 km (0.101 R)
• M16: 26,121,883 km (0.113 R)
• M17: 30,447,056 km (0.055 R)
• M18: 32,171,172 km (0.057 R)
• M19: 41,645,654 km (0.064 R)
• M20: 46,099,481 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578.3

Radius: 8

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 9.35 AU - 11.41 AU

Year: 22682 Days

Day: 17.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,207,040 km

• M1: 100,380 km (0.107 R)
• M2: 363,074 km (0.114 R)
• M3: 792,270 km (0.032 R)
• M4: 1,965,267 km (0.114 R)
• M5: 2,426,328 km (0.071 R)
• M6: 5,061,046 km (0.082 R)
• M7: 7,169,628 km (0.104 R)
• M8: 11,860,119 km (0.078 R)
• M9: 12,330,455 km (0.113 R)
• M10: 13,524,545 km (0.114 R)
• M11: 13,816,411 km (0.075 R)
• M12: 16,635,582 km (0.096 R)
• M13: 17,828,476 km (0.091 R)
• M14: 20,864,265 km (0.041 R)
• M15: 25,425,355 km (0.086 R)
• M16: 29,252,966 km (0.045 R)
• M17: 33,714,573 km (0.103 R)
• M18: 36,316,828 km (0.116 R)
• M19: 39,049,981 km (0.083 R)
• M20: 49,780,337 km (0.054 R)
• M21: 52,965,575 km (0.082 R)
• M22: 55,162,868 km (0.086 R)
• M23: 61,119,407 km (0.084 R)
• M24: 61,717,649 km (0.094 R)
• M25: 64,974,394 km (0.08 R)
• M26: 70,507,870 km (0.075 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 20,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit