🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.7

Radius: 12.8

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.54 AU - 0.76 AU

Year: 362 Days

Day: 9.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,545,530 km

• M1: 162,613 km (0.086 R)
• M2: 577,149 km (0.089 R)
• M3: 1,103,583 km (0.073 R)
• M4: 1,692,102 km (0.118 R)
• M5: 2,378,905 km (0.115 R)
• M6: 2,806,306 km (0.076 R)
• M7: 3,346,355 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.9

Radius: 14.3

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.99 AU - 1.29 AU

Year: 840 Days

Day: 12.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,545,530 km

• M1: 178,021 km (0.105 R)
• M2: 846,874 km (0.084 R)
• M3: 1,301,053 km (0.105 R)
• M4: 2,115,015 km (0.077 R)
• M5: 2,568,147 km (0.027 R)
• M6: 3,074,685 km (0.117 R)
• M7: 3,525,274 km (0.092 R)
• M8: 4,842,184 km (0.12 R)
• M9: 6,005,008 km (0.052 R)
• M10: 6,465,770 km (0.106 R)
• M11: 7,235,002 km (0.109 R)
• M12: 8,064,372 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232

Radius: 9.4

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.32 AU - 1.68 AU

Year: 1268 Days

Day: 10.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,545,530 km

• M1: 116,836 km (0.119 R)
• M2: 910,602 km (0.043 R)
• M3: 1,292,974 km (0.118 R)
• M4: 2,640,702 km (0.114 R)
• M5: 4,201,606 km (0.047 R)
• M6: 4,975,924 km (0.104 R)
• M7: 5,765,053 km (0.091 R)
• M8: 6,059,163 km (0.085 R)
• M9: 7,944,245 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.5

Radius: 14.3

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.7 AU - 5.7 AU

Year: 8185 Days

Day: 12.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,545,530 km

• M1: 178,021 km (0.116 R)
• M2: 701,464 km (0.116 R)
• M3: 1,314,068 km (0.11 R)
• M4: 2,424,682 km (0.107 R)
• M5: 2,984,029 km (0.073 R)
• M6: 4,283,137 km (0.097 R)
• M7: 4,922,518 km (0.092 R)
• M8: 5,759,967 km (0.104 R)
• M9: 6,213,248 km (0.093 R)
• M10: 6,728,164 km (0.118 R)
• M11: 7,231,860 km (0.08 R)
• M12: 8,056,145 km (0.118 R)
• M13: 10,392,115 km (0.106 R)
• M14: 12,162,606 km (0.099 R)
• M15: 13,510,483 km (0.072 R)
• M16: 14,955,748 km (0.094 R)
• M17: 15,548,455 km (0.106 R)
• M18: 16,781,141 km (0.099 R)
• M19: 21,116,188 km (0.058 R)
• M20: 23,585,600 km (0.095 R)
• M21: 25,489,981 km (0.103 R)
• M22: 27,008,250 km (0.07 R)
• M23: 27,494,892 km (0.078 R)
• M24: 27,987,368 km (0.114 R)
• M25: 36,572,341 km (0.038 R)
• M26: 38,995,228 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.2

Radius: 8.6

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.24 AU - 6.24 AU

Year: 8280 Days

Day: 7.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,545,530 km

• M1: 107,112 km (0.053 R)
• M2: 1,314,516 km (0.071 R)
• M3: 2,253,991 km (0.119 R)
• M4: 2,828,896 km (0.069 R)
• M5: 3,141,106 km (0.06 R)
• M6: 4,815,855 km (0.085 R)
• M7: 5,737,976 km (0.093 R)
• M8: 6,208,611 km (0.112 R)
• M9: 6,570,039 km (0.094 R)
• M10: 7,227,522 km (0.057 R)
• M11: 8,158,320 km (0.045 R)
• M12: 10,530,493 km (0.071 R)
• M13: 13,819,702 km (0.106 R)
• M14: 14,210,451 km (0.051 R)
• M15: 19,492,004 km (0.074 R)
• M16: 24,219,147 km (0.075 R)
• M17: 29,199,410 km (0.064 R)
• M18: 29,935,880 km (0.076 R)
• M19: 31,254,436 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386

Radius: 4

Gravity: 24.13 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.71 AU - 9.79 AU

Year: 16357 Days

Day: 22.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 62,545,530 km

• M1: 74,799 km (0.105 R)
• M2: 364,720 km (0.056 R)
• M3: 558,299 km (0.109 R)
• M4: 918,082 km (0.042 R)
• M5: 1,167,013 km (0.066 R)
• M6: 1,900,192 km (0.065 R)
• M7: 2,132,667 km (0.077 R)
• M8: 2,444,728 km (0.108 R)
• M9: 3,617,127 km (0.025 R)
• M10: 4,663,863 km (0.103 R)
• M11: 6,275,631 km (0.1 R)
• M12: 6,470,557 km (0.11 R)
• M13: 7,037,981 km (0.109 R)
• M14: 7,419,905 km (0.11 R)
• M15: 7,860,171 km (0.081 R)
• M16: 9,437,232 km (0.054 R)
• M17: 11,099,713 km (0.083 R)
• M18: 11,384,996 km (0.116 R)
• M19: 11,910,683 km (0.083 R)
• M20: 12,947,696 km (0.058 R)
• M21: 15,129,880 km (0.105 R)
• M22: 15,908,537 km (0.114 R)
• M23: 17,776,865 km (0.12 R)
• M24: 22,664,227 km (0.111 R)
• M25: 24,826,963 km (0.118 R)
• M26: 25,314,802 km (0.12 R)
• M27: 26,511,286 km (0.092 R)
• M28: 27,640,750 km (0.093 R)
• M29: 30,771,684 km (0.089 R)
• M30: 32,480,241 km (0.115 R)
• M31: 34,130,904 km (0.092 R)
• M32: 34,976,880 km (0.105 R)
• M33: 41,157,665 km (0.097 R)
• M34: 41,293,500 km (0.094 R)
• M35: 45,079,074 km (0.104 R)
• M36: 46,390,449 km (0.066 R)
• M37: 46,685,307 km (0.078 R)
• M38: 50,166,449 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.4

Radius: 4.5

Gravity: 39.03 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.97 AU - 8.69 AU

Year: 16595 Days

Day: 15.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,545,530 km

• M1: 56,698 km (0.103 R)
• M2: 203,603 km (0.091 R)
• M3: 360,980 km (0.11 R)
• M4: 602,580 km (0.066 R)
• M5: 765,642 km (0.116 R)
• M6: 981,512 km (0.094 R)
• M7: 1,488,648 km (0.067 R)
• M8: 3,769,268 km (0.114 R)
• M9: 7,273,598 km (0.114 R)
• M10: 18,688,215 km (0.069 R)
• M11: 20,024,872 km (0.105 R)
• M12: 22,196,434 km (0.094 R)
• M13: 25,471,581 km (0.1 R)
• M14: 26,447,557 km (0.078 R)
• M15: 32,579,574 km (0.098 R)
• M16: 44,687,278 km (0.11 R)
• M17: 46,104,867 km (0.064 R)
• M18: 47,227,898 km (0.085 R)
• M19: 47,389,763 km (0.113 R)
• M20: 51,046,384 km (0.076 R)
• M21: 62,159,411 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.7

Radius: 4.8

Gravity: 16.48 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.52 AU - 10.36 AU

Year: 20020 Days

Day: 17.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,545,530 km

• M1: 61,186 km (0.111 R)
• M2: 238,609 km (0.053 R)
• M3: 488,287 km (0.113 R)
• M4: 638,334 km (0.109 R)
• M5: 1,475,933 km (0.101 R)
• M6: 1,850,077 km (0.06 R)
• M7: 2,264,613 km (0.034 R)
• M8: 2,625,592 km (0.115 R)
• M9: 3,276,343 km (0.104 R)
• M10: 3,570,303 km (0.119 R)
• M11: 4,028,820 km (0.1 R)
• M12: 4,558,098 km (0.062 R)
• M13: 6,062,753 km (0.118 R)
• M14: 6,630,327 km (0.1 R)
• M15: 6,970,064 km (0.095 R)
• M16: 9,153,295 km (0.063 R)
• M17: 9,681,974 km (0.102 R)
• M18: 13,760,162 km (0.071 R)
• M19: 16,748,978 km (0.114 R)
• M20: 17,299,199 km (0.108 R)
• M21: 18,769,147 km (0.099 R)
• M22: 19,191,761 km (0.099 R)
• M23: 21,309,169 km (0.092 R)
• M24: 26,001,307 km (0.082 R)
• M25: 29,371,597 km (0.052 R)
• M26: 33,390,394 km (0.111 R)
• M27: 37,227,729 km (0.089 R)
• M28: 38,028,976 km (0.1 R)
• M29: 39,665,726 km (0.115 R)
• M30: 41,206,733 km (0.091 R)
• M31: 42,787,385 km (0.083 R)
• M32: 43,666,272 km (0.083 R)
• M33: 45,763,933 km (0.077 R)
• M34: 50,971,884 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 10,209 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit