🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.45 AU - 0.67 AU

Year: 271 Days

Day: 20.8 Hours

Environment

Temp: -118 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,988,198 km

• M1: 268,678 km (0.087 R)
• M2: 416,780 km (0.032 R)

Asteroid Belt

Center: 2.33 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.6

Radius: 12.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.46 AU - 4.72 AU

Year: 5341 Days

Day: 6.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 117.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,988,198 km

• M1: 156,779 km (0.116 R)
• M2: 670,797 km (0.048 R)
• M3: 1,287,290 km (0.112 R)
• M4: 1,719,927 km (0.112 R)
• M5: 4,557,948 km (0.094 R)
• M6: 7,393,576 km (0.092 R)
• M7: 8,172,232 km (0.111 R)
• M8: 9,727,153 km (0.086 R)
• M9: 10,882,946 km (0.092 R)
• M10: 12,224,240 km (0.054 R)
• M11: 18,071,572 km (0.106 R)
• M12: 19,747,966 km (0.029 R)
• M13: 20,967,787 km (0.115 R)
• M14: 21,737,618 km (0.108 R)
• M15: 27,831,188 km (0.12 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.1

Radius: 7

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.16 AU - 8.3 AU

Year: 11273 Days

Day: 21.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,988,198 km

• M1: 87,066 km (0.111 R)
• M2: 353,949 km (0.081 R)
• M3: 582,085 km (0.081 R)
• M4: 932,593 km (0.036 R)
• M5: 1,157,289 km (0.1 R)
• M6: 1,734,587 km (0.111 R)
• M7: 2,372,473 km (0.109 R)
• M8: 2,951,865 km (0.075 R)
• M9: 4,019,844 km (0.036 R)
• M10: 4,656,383 km (0.076 R)
• M11: 5,063,140 km (0.058 R)
• M12: 5,983,316 km (0.09 R)
• M13: 6,388,427 km (0.047 R)
• M14: 7,050,548 km (0.116 R)
• M15: 8,194,971 km (0.081 R)
• M16: 10,846,294 km (0.095 R)
• M17: 11,901,109 km (0.096 R)
• M18: 14,020,612 km (0.091 R)
• M19: 14,669,567 km (0.064 R)
• M20: 15,270,651 km (0.086 R)
• M21: 16,450,530 km (0.114 R)
• M22: 16,953,627 km (0.057 R)
• M23: 22,739,176 km (0.114 R)
• M24: 24,552,900 km (0.051 R)
• M25: 25,115,239 km (0.095 R)
• M26: 27,451,060 km (0.12 R)
• M27: 27,853,927 km (0.118 R)
• M28: 29,927,952 km (0.105 R)
• M29: 41,990,028 km (0.08 R)
• M30: 43,882,142 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.6

Radius: 3.5

Gravity: 72.46 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.06 AU - 8.82 AU

Year: 13103 Days

Day: 17.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,988,198 km

• M1: 58,493 km (0.093 R)
• M2: 263,143 km (0.099 R)
• M3: 709,393 km (0.099 R)
• M4: 855,101 km (0.042 R)
• M5: 1,104,930 km (0.064 R)
• M6: 1,616,405 km (0.114 R)
• M7: 1,870,572 km (0.114 R)
• M8: 2,373,370 km (0.112 R)
• M9: 2,770,702 km (0.051 R)
• M10: 3,868,003 km (0.106 R)
• M11: 5,628,321 km (0.079 R)
• M12: 6,453,054 km (0.114 R)
• M13: 9,511,881 km (0.113 R)
• M14: 10,675,603 km (0.074 R)
• M15: 11,381,556 km (0.115 R)
• M16: 11,684,790 km (0.085 R)
• M17: 15,530,653 km (0.089 R)
• M18: 25,485,194 km (0.059 R)
• M19: 26,108,120 km (0.089 R)
• M20: 27,061,656 km (0.075 R)
• M21: 27,276,629 km (0.095 R)
• M22: 29,489,630 km (0.119 R)
• M23: 29,831,611 km (0.083 R)
• M24: 33,893,791 km (0.099 R)
• M25: 40,654,568 km (0.075 R)
• M26: 46,392,095 km (0.06 R)
• M27: 47,320,050 km (0.104 R)
• M28: 48,735,097 km (0.043 R)
• M29: 52,312,281 km (0.075 R)
• M30: 55,021,199 km (0.116 R)
• M31: 60,166,618 km (0.077 R)
• M32: 60,532,834 km (0.055 R)
• M33: 61,454,955 km (0.034 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.2

Radius: 4.4

Gravity: 48 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.5 AU - 7.72 AU

Year: 13555 Days

Day: 16.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,988,198 km

• M1: 54,753 km (0.053 R)
• M2: 197,320 km (0.046 R)
• M3: 446,101 km (0.076 R)
• M4: 647,460 km (0.096 R)
• M5: 814,261 km (0.065 R)
• M6: 1,069,326 km (0.103 R)
• M7: 1,222,514 km (0.056 R)
• M8: 2,862,705 km (0.048 R)
• M9: 3,561,776 km (0.044 R)
• M10: 8,417,274 km (0.091 R)
• M11: 8,719,013 km (0.116 R)
• M12: 9,237,669 km (0.046 R)
• M13: 10,508,353 km (0.101 R)
• M14: 11,095,524 km (0.063 R)
• M15: 14,010,289 km (0.039 R)
• M16: 16,136,973 km (0.084 R)
• M17: 20,471,870 km (0.084 R)
• M18: 22,518,369 km (0.038 R)
• M19: 23,889,284 km (0.063 R)
• M20: 24,392,082 km (0.087 R)
• M21: 27,121,047 km (0.083 R)
• M22: 27,558,321 km (0.072 R)
• M23: 27,778,529 km (0.074 R)
• M24: 28,334,585 km (0.055 R)
• M25: 29,699,067 km (0.075 R)
• M26: 30,397,390 km (0.096 R)
• M27: 32,313,290 km (0.077 R)
• M28: 35,988,161 km (0.07 R)
• M29: 39,511,191 km (0.095 R)
• M30: 40,925,340 km (0.111 R)
• M31: 41,068,505 km (0.034 R)
• M32: 43,854,017 km (0.103 R)
• M33: 45,369,444 km (0.115 R)
• M34: 47,707,509 km (0.096 R)
• M35: 50,452,929 km (0.055 R)
• M36: 52,622,098 km (0.114 R)
• M37: 57,145,339 km (0.094 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 14,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit