🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634

Radius: 15

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.57 AU - 0.69 AU

Year: 345 Days

Day: 7.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,056,336 km

• M1: 186,549 km (0.063 R)
• M2: 789,428 km (0.059 R)
• M3: 1,383,780 km (0.106 R)
• M4: 2,010,147 km (0.114 R)
• M5: 2,785,363 km (0.088 R)
• M6: 3,467,379 km (0.114 R)
• M7: 3,970,477 km (0.053 R)
• M8: 4,522,344 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552

Radius: 11.4

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.71 AU - 0.89 AU

Year: 494 Days

Day: 11.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,056,336 km

• M1: 141,819 km (0.11 R)
• M2: 627,713 km (0.04 R)
• M3: 1,049,579 km (0.083 R)
• M4: 1,485,656 km (0.087 R)
• M5: 1,842,597 km (0.085 R)
• M6: 2,339,112 km (0.092 R)
• M7: 2,881,405 km (0.118 R)
• M8: 3,303,869 km (0.038 R)
• M9: 3,729,625 km (0.077 R)
• M10: 4,766,787 km (0.064 R)
• M11: 5,542,302 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.3

Radius: 14.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.33 AU - 2.05 AU

Year: 1516 Days

Day: 7.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,056,336 km

• M1: 178,171 km (0.028 R)
• M2: 667,655 km (0.091 R)
• M3: 1,570,778 km (0.1 R)
• M4: 2,024,957 km (0.067 R)
• M5: 2,673,912 km (0.11 R)
• M6: 4,210,881 km (0.071 R)
• M7: 4,884,969 km (0.057 R)
• M8: 5,874,559 km (0.091 R)
• M9: 6,993,850 km (0.092 R)
• M10: 7,791,057 km (0.097 R)
• M11: 8,648,103 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.5

Radius: 9.5

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.42 AU - 2.02 AU

Year: 1557 Days

Day: 14.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,056,336 km

• M1: 118,182 km (0.088 R)
• M2: 528,529 km (0.08 R)
• M3: 851,361 km (0.071 R)
• M4: 1,352,215 km (0.091 R)
• M5: 1,788,891 km (0.099 R)
• M6: 2,146,580 km (0.105 R)
• M7: 2,498,584 km (0.077 R)
• M8: 2,830,990 km (0.081 R)
• M9: 3,776,299 km (0.041 R)
• M10: 4,159,569 km (0.04 R)
• M11: 5,199,424 km (0.041 R)
• M12: 6,178,990 km (0.109 R)
• M13: 6,634,666 km (0.081 R)
• M14: 8,873,398 km (0.069 R)
• M15: 10,232,644 km (0.101 R)
• M16: 15,048,050 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.3

Radius: 13.1

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.94 AU - 4.6 AU

Year: 6091 Days

Day: 10.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,056,336 km

• M1: 163,062 km (0.05 R)
• M2: 1,073,814 km (0.087 R)
• M3: 2,275,084 km (0.106 R)
• M4: 2,968,620 km (0.102 R)
• M5: 4,529,524 km (0.098 R)
• M6: 6,956,301 km (0.104 R)
• M7: 11,270,404 km (0.116 R)
• M8: 12,739,904 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620

Radius: 8.1

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.44 AU - 5.88 AU

Year: 8091 Days

Day: 6.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,056,336 km

• M1: 100,829 km (0.042 R)
• M2: 367,562 km (0.088 R)
• M3: 782,397 km (0.093 R)
• M4: 1,721,273 km (0.096 R)
• M5: 3,784,527 km (0.053 R)
• M6: 4,971,436 km (0.093 R)
• M7: 5,272,577 km (0.11 R)
• M8: 7,420,802 km (0.106 R)
• M9: 9,305,736 km (0.038 R)
• M10: 9,857,901 km (0.088 R)
• M11: 10,238,029 km (0.103 R)
• M12: 11,489,266 km (0.045 R)
• M13: 12,287,221 km (0.056 R)
• M14: 13,581,841 km (0.111 R)
• M15: 14,172,154 km (0.032 R)
• M16: 15,722,736 km (0.05 R)
• M17: 18,079,202 km (0.106 R)
• M18: 19,600,911 km (0.113 R)
• M19: 22,080,795 km (0.115 R)
• M20: 23,817,477 km (0.057 R)
• M21: 24,588,953 km (0.062 R)
• M22: 30,064,235 km (0.099 R)
• M23: 32,090,389 km (0.056 R)
• M24: 34,422,320 km (0.115 R)
• M25: 36,525,367 km (0.104 R)
• M26: 37,206,935 km (0.062 R)
• M27: 37,896,881 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.8

Radius: 4.9

Gravity: 38.85 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.6 AU - 7.9 AU

Year: 12105 Days

Day: 17.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 49,056,336 km

• M1: 61,485 km (0.1 R)
• M2: 336,745 km (0.087 R)
• M3: 1,096,253 km (0.112 R)
• M4: 1,274,125 km (0.079 R)
• M5: 1,531,284 km (0.1 R)
• M6: 1,891,815 km (0.118 R)
• M7: 2,388,779 km (0.099 R)
• M8: 2,579,666 km (0.053 R)
• M9: 2,735,247 km (0.089 R)
• M10: 4,463,851 km (0.059 R)
• M11: 5,091,863 km (0.08 R)
• M12: 5,266,593 km (0.11 R)
• M13: 5,702,222 km (0.11 R)
• M14: 6,400,096 km (0.059 R)
• M15: 7,153,321 km (0.097 R)
• M16: 8,784,237 km (0.106 R)
• M17: 9,448,452 km (0.102 R)
• M18: 10,478,583 km (0.052 R)
• M19: 10,761,622 km (0.089 R)
• M20: 11,581,418 km (0.049 R)
• M21: 15,134,817 km (0.091 R)
• M22: 18,601,298 km (0.039 R)
• M23: 19,437,551 km (0.086 R)
• M24: 22,004,201 km (0.092 R)
• M25: 25,391,845 km (0.114 R)
• M26: 25,697,473 km (0.091 R)
• M27: 26,005,495 km (0.039 R)
• M28: 26,629,019 km (0.088 R)
• M29: 28,013,847 km (0.032 R)
• M30: 29,446,246 km (0.07 R)
• M31: 31,979,986 km (0.119 R)
• M32: 38,673,294 km (0.04 R)
• M33: 40,863,556 km (0.097 R)
• M34: 49,813,249 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290

Radius: 3.6

Gravity: 22.38 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.3 AU - 8.9 AU

Year: 15913 Days

Day: 24.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 49,056,336 km

• M1: 44,730 km (0.081 R)
• M2: 916,137 km (0.061 R)
• M3: 1,191,397 km (0.069 R)
• M4: 1,562,101 km (0.112 R)
• M5: 1,696,440 km (0.052 R)
• M6: 2,218,985 km (0.112 R)
• M7: 2,691,864 km (0.111 R)
• M8: 3,019,633 km (0.103 R)
• M9: 4,051,260 km (0.074 R)
• M10: 4,191,433 km (0.073 R)
• M11: 5,297,410 km (0.116 R)
• M12: 6,622,997 km (0.097 R)
• M13: 7,592,092 km (0.117 R)
• M14: 9,217,174 km (0.101 R)
• M15: 9,459,821 km (0.113 R)
• M16: 9,957,982 km (0.057 R)
• M17: 12,832,655 km (0.108 R)
• M18: 14,851,777 km (0.068 R)
• M19: 18,338,305 km (0.106 R)
• M20: 19,905,493 km (0.052 R)
• M21: 21,390,252 km (0.091 R)
• M22: 24,764,132 km (0.043 R)
• M23: 25,517,058 km (0.091 R)
• M24: 26,091,514 km (0.069 R)
• M25: 26,382,033 km (0.118 R)
• M26: 26,576,810 km (0.091 R)
• M27: 28,170,326 km (0.105 R)
• M28: 29,511,022 km (0.043 R)
• M29: 34,132,699 km (0.112 R)
• M30: 40,883,004 km (0.083 R)
• M31: 43,542,704 km (0.059 R)
• M32: 43,678,689 km (0.067 R)
• M33: 44,225,170 km (0.085 R)
• M34: 45,331,895 km (0.062 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 17,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit