🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.9

Radius: 11.9

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.8 AU - 1.12 AU

Year: 627 Days

Day: 10.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,628,140 km

• M1: 147,952 km (0.086 R)
• M2: 558,598 km (0.087 R)
• M3: 961,017 km (0.09 R)
• M4: 1,495,231 km (0.103 R)
• M5: 1,972,747 km (0.082 R)
• M6: 2,387,881 km (0.063 R)
• M7: 2,801,669 km (0.04 R)
• M8: 3,175,813 km (0.107 R)
• M9: 3,607,104 km (0.048 R)
• M10: 4,026,277 km (0.063 R)
• M11: 5,067,628 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.2

Radius: 10.3

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.52 AU - 2.14 AU

Year: 1651 Days

Day: 9.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,628,140 km

• M1: 128,056 km (0.088 R)
• M2: 474,225 km (0.097 R)
• M3: 837,449 km (0.101 R)
• M4: 1,159,832 km (0.053 R)
• M5: 1,622,539 km (0.076 R)
• M6: 1,950,906 km (0.118 R)
• M7: 2,300,366 km (0.08 R)
• M8: 2,758,884 km (0.103 R)
• M9: 4,123,815 km (0.083 R)
• M10: 5,006,143 km (0.055 R)
• M11: 5,448,654 km (0.105 R)
• M12: 6,149,669 km (0.059 R)
• M13: 6,485,367 km (0.03 R)
• M14: 6,858,763 km (0.115 R)
• M15: 7,648,790 km (0.096 R)
• M16: 10,452,104 km (0.091 R)
• M17: 11,715,009 km (0.081 R)
• M18: 12,307,866 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.4

Radius: 11.6

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.14 AU - 5.36 AU

Year: 6904 Days

Day: 8.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,628,140 km

• M1: 144,960 km (0.079 R)
• M2: 1,074,711 km (0.116 R)
• M3: 1,522,607 km (0.094 R)
• M4: 2,079,410 km (0.073 R)
• M5: 2,865,398 km (0.045 R)
• M6: 3,316,884 km (0.119 R)
• M7: 3,863,515 km (0.091 R)
• M8: 4,338,338 km (0.11 R)
• M9: 6,265,308 km (0.113 R)
• M10: 7,030,950 km (0.091 R)
• M11: 7,436,660 km (0.052 R)
• M12: 8,917,828 km (0.1 R)
• M13: 10,634,913 km (0.116 R)
• M14: 12,138,521 km (0.098 R)
• M15: 12,508,925 km (0.082 R)
• M16: 14,357,955 km (0.026 R)
• M17: 17,698,774 km (0.041 R)
• M18: 18,382,586 km (0.108 R)
• M19: 22,384,180 km (0.082 R)
• M20: 23,755,244 km (0.116 R)
• M21: 24,503,383 km (0.103 R)
• M22: 26,575,463 km (0.079 R)
• M23: 27,928,426 km (0.077 R)
• M24: 34,010,178 km (0.084 R)
• M25: 35,281,311 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.9

Radius: 6.9

Gravity: 16.97 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.68 AU - 7.22 AU

Year: 9678 Days

Day: 16.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 28,628,140 km

• M1: 86,019 km (0.107 R)
• M2: 346,469 km (0.102 R)
• M3: 664,364 km (0.098 R)
• M4: 1,255,126 km (0.116 R)
• M5: 2,047,247 km (0.077 R)
• M6: 2,694,407 km (0.042 R)
• M7: 3,020,082 km (0.115 R)
• M8: 3,299,381 km (0.115 R)
• M9: 3,724,538 km (0.026 R)
• M10: 4,593,403 km (0.119 R)
• M11: 5,353,809 km (0.106 R)
• M12: 7,325,808 km (0.072 R)
• M13: 7,961,748 km (0.113 R)
• M14: 8,866,217 km (0.115 R)
• M15: 9,198,474 km (0.117 R)
• M16: 10,505,510 km (0.085 R)
• M17: 12,572,803 km (0.081 R)
• M18: 14,567,242 km (0.114 R)
• M19: 15,708,225 km (0.12 R)
• M20: 20,870,848 km (0.052 R)
• M21: 22,231,590 km (0.061 R)
• M22: 25,034,306 km (0.057 R)
• M23: 26,082,987 km (0.116 R)
• M24: 29,091,400 km (0.077 R)
• M25: 30,894,952 km (0.107 R)
• M26: 35,193,348 km (0.111 R)
• M27: 37,239,099 km (0.112 R)
• M28: 37,855,592 km (0.115 R)
• M29: 40,131,424 km (0.082 R)
• M30: 41,302,775 km (0.075 R)
• M31: 47,792,331 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.2

Radius: 8

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.38 AU - 8.52 AU

Year: 13560 Days

Day: 17.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 28,628,140 km

• M1: 99,483 km (0.078 R)
• M2: 421,268 km (0.091 R)
• M3: 750,981 km (0.115 R)
• M4: 1,009,786 km (0.041 R)
• M5: 1,303,297 km (0.116 R)
• M6: 1,827,787 km (0.072 R)
• M7: 2,269,699 km (0.095 R)
• M8: 2,630,828 km (0.05 R)
• M9: 4,504,093 km (0.09 R)
• M10: 4,784,439 km (0.118 R)
• M11: 5,696,537 km (0.054 R)
• M12: 6,404,584 km (0.068 R)
• M13: 9,729,995 km (0.108 R)
• M14: 10,147,074 km (0.085 R)
• M15: 11,355,974 km (0.107 R)
• M16: 15,206,474 km (0.038 R)
• M17: 17,768,038 km (0.116 R)
• M18: 18,234,335 km (0.047 R)
• M19: 18,788,745 km (0.087 R)
• M20: 20,097,876 km (0.053 R)
• M21: 21,554,360 km (0.104 R)
• M22: 25,452,133 km (0.1 R)
• M23: 25,846,174 km (0.045 R)
• M24: 27,463,327 km (0.098 R)
• M25: 28,086,701 km (0.067 R)
• M26: 38,605,825 km (0.071 R)
• M27: 41,389,841 km (0.116 R)
• M28: 42,209,338 km (0.104 R)
• M29: 48,401,194 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.2

Radius: 4.1

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.08 AU - 9.84 AU

Year: 16409 Days

Day: 21.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,628,140 km

• M1: 51,162 km (0.038 R)
• M2: 250,128 km (0.112 R)
• M3: 1,308,084 km (0.112 R)
• M4: 1,631,514 km (0.097 R)
• M5: 2,485,269 km (0.071 R)
• M6: 4,022,986 km (0.086 R)
• M7: 6,505,563 km (0.086 R)
• M8: 7,935,269 km (0.111 R)
• M9: 11,122,302 km (0.067 R)
• M10: 11,444,387 km (0.032 R)
• M11: 12,252,215 km (0.097 R)
• M12: 14,033,926 km (0.075 R)
• M13: 22,086,630 km (0.107 R)
• M14: 25,097,885 km (0.061 R)
• M15: 25,971,537 km (0.051 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 10,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit