🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.7

Radius: 8.5

Gravity: 13.02 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.72 AU - 0.8 AU

Year: 466 Days

Day: 7.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,663,330 km

• M1: 106,214 km (0.113 R)
• M2: 553,512 km (0.087 R)
• M3: 934,388 km (0.034 R)
• M4: 1,298,360 km (0.08 R)
• M5: 1,779,616 km (0.11 R)
• M6: 2,250,401 km (0.099 R)
• M7: 2,868,689 km (0.087 R)
• M8: 3,242,384 km (0.082 R)
• M9: 3,674,722 km (0.106 R)
• M10: 4,246,784 km (0.1 R)
• M11: 4,765,141 km (0.113 R)
• M12: 5,550,530 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.1

Radius: 12.6

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.56 AU - 1.7 AU

Year: 1463 Days

Day: 9.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,663,330 km

• M1: 157,227 km (0.077 R)
• M2: 570,117 km (0.103 R)
• M3: 1,066,034 km (0.11 R)
• M4: 1,742,815 km (0.116 R)
• M5: 3,785,125 km (0.115 R)
• M6: 4,604,174 km (0.041 R)
• M7: 5,463,464 km (0.059 R)
• M8: 6,405,930 km (0.09 R)
• M9: 7,204,185 km (0.096 R)
• M10: 7,923,152 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.4

Radius: 12.1

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.17 AU - 5.03 AU

Year: 5836 Days

Day: 12.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,663,330 km

• M1: 150,645 km (0.069 R)
• M2: 569,968 km (0.109 R)
• M3: 1,059,751 km (0.074 R)
• M4: 1,530,985 km (0.07 R)
• M5: 2,217,639 km (0.072 R)
• M6: 3,401,856 km (0.111 R)
• M7: 3,901,812 km (0.102 R)
• M8: 4,450,686 km (0.051 R)
• M9: 5,187,755 km (0.108 R)
• M10: 5,852,867 km (0.067 R)
• M11: 6,838,418 km (0.075 R)
• M12: 12,305,771 km (0.097 R)
• M13: 13,173,738 km (0.082 R)
• M14: 14,356,908 km (0.083 R)
• M15: 18,594,267 km (0.119 R)
• M16: 19,805,561 km (0.089 R)
• M17: 22,310,278 km (0.096 R)
• M18: 25,342,328 km (0.075 R)
• M19: 30,896,598 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.8

Radius: 10.2

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.64 AU - 5.24 AU

Year: 7718 Days

Day: 7.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,663,330 km

• M1: 130,001 km (0.108 R)
• M2: 492,626 km (0.085 R)
• M3: 2,350,931 km (0.087 R)
• M4: 3,361,464 km (0.071 R)
• M5: 5,294,269 km (0.114 R)
• M6: 5,808,586 km (0.117 R)
• M7: 7,202,539 km (0.054 R)
• M8: 10,292,633 km (0.1 R)
• M9: 11,776,943 km (0.102 R)
• M10: 14,112,016 km (0.072 R)
• M11: 15,484,576 km (0.068 R)
• M12: 17,012,719 km (0.028 R)
• M13: 20,677,268 km (0.119 R)
• M14: 25,102,971 km (0.076 R)
• M15: 29,128,201 km (0.108 R)
• M16: 30,729,796 km (0.045 R)
• M17: 36,340,165 km (0.078 R)
• M18: 38,312,912 km (0.093 R)
• M19: 41,841,178 km (0.031 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179

Radius: 5.7

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.3 AU - 6.78 AU

Year: 11756 Days

Day: 17.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,663,330 km

• M1: 74,350 km (0.081 R)
• M2: 553,662 km (0.112 R)
• M3: 1,027,887 km (0.08 R)
• M4: 2,250,999 km (0.11 R)
• M5: 2,453,106 km (0.088 R)
• M6: 4,227,636 km (0.12 R)
• M7: 4,536,555 km (0.077 R)
• M8: 7,318,926 km (0.116 R)
• M9: 7,689,331 km (0.053 R)
• M10: 7,879,170 km (0.12 R)
• M11: 9,382,778 km (0.087 R)
• M12: 11,164,339 km (0.061 R)
• M13: 11,605,354 km (0.088 R)
• M14: 11,956,460 km (0.116 R)
• M15: 13,541,599 km (0.052 R)
• M16: 14,614,964 km (0.12 R)
• M17: 17,577,301 km (0.085 R)
• M18: 26,596,407 km (0.108 R)
• M19: 27,470,807 km (0.034 R)
• M20: 30,968,704 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.6

Radius: 7.8

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.83 AU - 7.49 AU

Year: 12081 Days

Day: 17 Hours

Environment

Temp: -237 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,663,330 km

• M1: 97,089 km (0.066 R)
• M2: 775,216 km (0.114 R)
• M3: 1,247,796 km (0.108 R)
• M4: 4,262,193 km (0.107 R)
• M5: 5,489,643 km (0.108 R)
• M6: 6,167,172 km (0.065 R)
• M7: 7,247,119 km (0.084 R)
• M8: 13,073,508 km (0.072 R)
• M9: 15,686,534 km (0.071 R)
• M10: 15,952,219 km (0.06 R)
• M11: 16,629,748 km (0.089 R)
• M12: 17,396,886 km (0.107 R)
• M13: 20,386,450 km (0.114 R)
• M14: 20,862,620 km (0.074 R)
• M15: 30,442,120 km (0.08 R)
• M16: 31,906,832 km (0.096 R)
• M17: 32,441,196 km (0.111 R)
• M18: 33,747,933 km (0.111 R)
• M19: 36,349,739 km (0.104 R)
• M20: 41,188,333 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.7

Radius: 6.4

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.2 AU - 7.56 AU

Year: 12685 Days

Day: 18.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,663,330 km

• M1: 83,924 km (0.092 R)
• M2: 438,322 km (0.117 R)
• M3: 728,990 km (0.087 R)
• M4: 1,192,295 km (0.09 R)
• M5: 1,407,417 km (0.061 R)
• M6: 2,927,182 km (0.063 R)
• M7: 7,497,995 km (0.105 R)
• M8: 7,711,172 km (0.114 R)
• M9: 8,744,444 km (0.039 R)
• M10: 9,917,740 km (0.095 R)
• M11: 10,648,825 km (0.096 R)
• M12: 12,874,393 km (0.112 R)
• M13: 13,180,470 km (0.115 R)
• M14: 14,388,024 km (0.086 R)
• M15: 18,374,059 km (0.115 R)
• M16: 18,762,266 km (0.044 R)
• M17: 21,548,077 km (0.102 R)
• M18: 26,323,391 km (0.102 R)
• M19: 26,618,697 km (0.102 R)
• M20: 27,416,802 km (0.051 R)
• M21: 31,316,519 km (0.055 R)
• M22: 31,537,326 km (0.055 R)
• M23: 32,770,012 km (0.109 R)
• M24: 39,805,450 km (0.062 R)
• M25: 41,642,662 km (0.085 R)
• M26: 44,225,469 km (0.101 R)
• M27: 47,057,506 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539

Radius: 4.8

Gravity: 23.39 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7 AU - 7.9 AU

Year: 14294 Days

Day: 20.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 46,663,330 km

• M1: 60,438 km (0.095 R)
• M2: 216,917 km (0.111 R)
• M3: 698,622 km (0.071 R)
• M4: 1,213,538 km (0.11 R)
• M5: 1,456,186 km (0.086 R)
• M6: 1,714,541 km (0.113 R)
• M7: 2,787,308 km (0.114 R)
• M8: 3,210,969 km (0.116 R)
• M9: 3,869,349 km (0.12 R)
• M10: 4,581,884 km (0.058 R)
• M11: 4,805,383 km (0.062 R)
• M12: 5,137,041 km (0.047 R)
• M13: 5,519,413 km (0.027 R)
• M14: 5,809,334 km (0.071 R)
• M15: 6,263,064 km (0.063 R)
• M16: 7,071,192 km (0.037 R)
• M17: 7,500,388 km (0.08 R)
• M18: 8,794,410 km (0.09 R)
• M19: 9,597,003 km (0.116 R)
• M20: 11,003,821 km (0.055 R)
• M21: 11,231,808 km (0.106 R)
• M22: 13,298,952 km (0.111 R)
• M23: 15,181,342 km (0.056 R)
• M24: 19,134,764 km (0.092 R)
• M25: 20,391,087 km (0.092 R)
• M26: 20,735,162 km (0.103 R)
• M27: 22,881,742 km (0.034 R)
• M28: 25,767,336 km (0.05 R)
• M29: 28,031,350 km (0.102 R)
• M30: 29,320,584 km (0.062 R)
• M31: 29,648,952 km (0.104 R)
• M32: 33,186,941 km (0.048 R)
• M33: 36,363,203 km (0.116 R)
• M34: 40,678,653 km (0.056 R)
• M35: 46,204,050 km (0.076 R)
• M36: 50,779,651 km (0.098 R)
• M37: 51,889,069 km (0.1 R)
• M38: 52,048,839 km (0.085 R)
• M39: 54,981,855 km (0.057 R)
• M40: 55,481,063 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201.8

Radius: 4.1

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.17 AU - 10.01 AU

Year: 17697 Days

Day: 23.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 46,663,330 km

• M1: 62,083 km (0.079 R)
• M2: 193,131 km (0.089 R)
• M3: 331,958 km (0.1 R)
• M4: 655,987 km (0.045 R)
• M5: 796,908 km (0.087 R)
• M6: 1,247,646 km (0.112 R)
• M7: 1,850,825 km (0.09 R)
• M8: 2,136,407 km (0.091 R)
• M9: 2,280,620 km (0.116 R)
• M10: 2,669,724 km (0.079 R)
• M11: 4,677,327 km (0.102 R)
• M12: 4,921,321 km (0.094 R)
• M13: 5,501,312 km (0.111 R)
• M14: 6,492,248 km (0.098 R)
• M15: 6,912,170 km (0.059 R)
• M16: 7,679,906 km (0.065 R)
• M17: 9,051,868 km (0.055 R)
• M18: 9,919,236 km (0.113 R)
• M19: 11,650,832 km (0.102 R)
• M20: 11,817,633 km (0.078 R)
• M21: 13,391,104 km (0.11 R)
• M22: 14,514,285 km (0.099 R)
• M23: 15,230,858 km (0.1 R)
• M24: 17,089,014 km (0.072 R)
• M25: 21,497,364 km (0.101 R)
• M26: 21,664,464 km (0.088 R)
• M27: 22,256,124 km (0.082 R)
• M28: 22,771,937 km (0.104 R)
• M29: 24,095,879 km (0.045 R)
• M30: 25,098,932 km (0.091 R)
• M31: 25,751,478 km (0.104 R)
• M32: 26,607,028 km (0.072 R)
• M33: 26,799,711 km (0.115 R)
• M34: 28,274,596 km (0.087 R)
• M35: 28,575,886 km (0.115 R)
• M36: 34,486,498 km (0.085 R)
• M37: 36,229,164 km (0.106 R)
• M38: 36,465,977 km (0.055 R)
• M39: 38,396,986 km (0.083 R)
• M40: 39,637,901 km (0.097 R)
• M41: 40,522,174 km (0.051 R)
• M42: 41,161,854 km (0.087 R)
• M43: 42,330,213 km (0.082 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 11,312 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit