🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.6

Radius: 14.3

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.48 AU - 0.64 AU

Year: 284 Days

Day: 9.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 94,064,893 km

• M1: 177,872 km (0.082 R)
• M2: 651,050 km (0.11 R)
• M3: 1,319,154 km (0.107 R)
• M4: 1,843,495 km (0.102 R)
• M5: 2,346,443 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.6

Radius: 10

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.08 AU - 1.44 AU

Year: 959 Days

Day: 8.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 94,064,893 km

• M1: 124,316 km (0.088 R)
• M2: 582,833 km (0.083 R)
• M3: 1,178,083 km (0.116 R)
• M4: 1,552,975 km (0.095 R)
• M5: 2,215,694 km (0.052 R)
• M6: 3,160,853 km (0.09 R)
• M7: 4,972,932 km (0.116 R)
• M8: 6,029,243 km (0.072 R)
• M9: 6,448,416 km (0.108 R)
• M10: 9,084,630 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.6

Radius: 13

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.03 AU - 4.15 AU

Year: 4614 Days

Day: 11.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 94,064,893 km

• M1: 161,715 km (0.058 R)
• M2: 615,446 km (0.116 R)
• M3: 1,052,122 km (0.063 R)
• M4: 1,583,643 km (0.095 R)
• M5: 2,293,186 km (0.086 R)
• M6: 2,722,681 km (0.061 R)
• M7: 3,511,361 km (0.077 R)
• M8: 6,712,157 km (0.078 R)
• M9: 7,819,032 km (0.111 R)
• M10: 9,493,630 km (0.109 R)
• M11: 13,174,636 km (0.107 R)
• M12: 19,011,645 km (0.062 R)
• M13: 25,800,995 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.8

Radius: 13.2

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.65 AU - 5.97 AU

Year: 8299 Days

Day: 8.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 94,064,893 km

• M1: 165,306 km (0.091 R)
• M2: 625,469 km (0.034 R)
• M3: 1,090,718 km (0.11 R)
• M4: 2,182,334 km (0.094 R)
• M5: 2,747,066 km (0.065 R)
• M6: 3,480,095 km (0.055 R)
• M7: 4,716,073 km (0.042 R)
• M8: 6,083,547 km (0.079 R)
• M9: 6,631,225 km (0.106 R)
• M10: 8,342,475 km (0.117 R)
• M11: 9,979,973 km (0.036 R)
• M12: 12,619,777 km (0.08 R)
• M13: 14,576,667 km (0.065 R)
• M14: 16,728,632 km (0.104 R)
• M15: 17,954,138 km (0.089 R)
• M16: 18,778,572 km (0.083 R)
• M17: 24,355,431 km (0.078 R)
• M18: 26,404,024 km (0.082 R)
• M19: 28,464,286 km (0.074 R)
• M20: 32,571,496 km (0.044 R)
• M21: 35,402,785 km (0.114 R)
• M22: 36,938,108 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.2

Radius: 8.2

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.29 AU - 5.63 AU

Year: 8653 Days

Day: 12.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 94,064,893 km

• M1: 102,475 km (0.119 R)
• M2: 390,899 km (0.081 R)
• M3: 828,623 km (0.083 R)
• M4: 1,142,479 km (0.099 R)
• M5: 1,421,180 km (0.106 R)
• M6: 1,745,658 km (0.12 R)
• M7: 2,179,192 km (0.032 R)
• M8: 2,825,006 km (0.118 R)
• M9: 3,262,281 km (0.082 R)
• M10: 3,678,462 km (0.066 R)
• M11: 5,364,131 km (0.102 R)
• M12: 7,335,681 km (0.093 R)
• M13: 7,868,250 km (0.094 R)
• M14: 8,312,555 km (0.098 R)
• M15: 8,852,155 km (0.098 R)
• M16: 11,154,017 km (0.108 R)
• M17: 12,842,977 km (0.087 R)
• M18: 13,200,217 km (0.079 R)
• M19: 13,511,680 km (0.091 R)
• M20: 14,041,555 km (0.094 R)
• M21: 16,659,668 km (0.105 R)
• M22: 17,641,778 km (0.046 R)
• M23: 18,923,233 km (0.1 R)
• M24: 19,186,675 km (0.065 R)
• M25: 19,856,275 km (0.069 R)
• M26: 20,749,973 km (0.089 R)
• M27: 21,100,630 km (0.11 R)
• M28: 21,598,342 km (0.101 R)
• M29: 25,224,445 km (0.059 R)
• M30: 27,014,383 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.8

Radius: 3.8

Gravity: 46.11 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.06 AU - 6.38 AU

Year: 9279 Days

Day: 20.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 94,064,893 km

• M1: 47,273 km (0.077 R)
• M2: 202,556 km (0.038 R)
• M3: 671,096 km (0.091 R)
• M4: 886,966 km (0.068 R)
• M5: 1,404,574 km (0.06 R)
• M6: 1,852,171 km (0.095 R)
• M7: 2,682,888 km (0.09 R)
• M8: 2,935,110 km (0.111 R)
• M9: 3,272,304 km (0.11 R)
• M10: 3,535,596 km (0.093 R)
• M11: 3,659,912 km (0.07 R)
• M12: 5,553,223 km (0.106 R)
• M13: 6,103,444 km (0.091 R)
• M14: 6,726,967 km (0.109 R)
• M15: 6,918,154 km (0.076 R)
• M16: 7,191,918 km (0.084 R)
• M17: 7,595,383 km (0.1 R)
• M18: 8,228,780 km (0.094 R)
• M19: 9,456,381 km (0.1 R)
• M20: 11,276,239 km (0.084 R)
• M21: 12,553,505 km (0.08 R)
• M22: 13,197,375 km (0.118 R)
• M23: 14,741,673 km (0.08 R)
• M24: 15,457,798 km (0.103 R)
• M25: 20,646,900 km (0.069 R)
• M26: 21,050,814 km (0.086 R)
• M27: 22,633,709 km (0.061 R)
• M28: 25,568,520 km (0.11 R)
• M29: 27,660,048 km (0.097 R)
• M30: 37,166,993 km (0.111 R)
• M31: 39,347,681 km (0.094 R)
• M32: 42,385,714 km (0.084 R)
• M33: 43,961,728 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.5

Radius: 4.1

Gravity: 30.01 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.76 AU - 8.14 AU

Year: 13792 Days

Day: 15.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 94,064,893 km

• M1: 51,013 km (0.067 R)
• M2: 239,207 km (0.09 R)
• M3: 540,198 km (0.111 R)
• M4: 737,518 km (0.111 R)
• M5: 1,265,448 km (0.117 R)
• M6: 1,741,768 km (0.066 R)
• M7: 2,468,514 km (0.114 R)
• M8: 2,699,643 km (0.073 R)
• M9: 2,899,356 km (0.08 R)
• M10: 3,061,371 km (0.108 R)
• M11: 4,431,239 km (0.03 R)
• M12: 5,939,933 km (0.068 R)
• M13: 7,158,857 km (0.096 R)
• M14: 7,760,390 km (0.055 R)
• M15: 7,983,141 km (0.118 R)
• M16: 8,535,307 km (0.094 R)
• M17: 10,451,655 km (0.064 R)
• M18: 10,614,268 km (0.071 R)
• M19: 10,778,377 km (0.102 R)
• M20: 13,449,297 km (0.099 R)
• M21: 14,698,440 km (0.085 R)
• M22: 14,902,491 km (0.044 R)
• M23: 18,906,628 km (0.108 R)
• M24: 20,050,752 km (0.076 R)
• M25: 29,811,714 km (0.07 R)
• M26: 33,895,586 km (0.106 R)
• M27: 37,192,275 km (0.115 R)
• M28: 38,465,652 km (0.116 R)
• M29: 40,031,642 km (0.092 R)
• M30: 40,830,345 km (0.067 R)
• M31: 44,272,742 km (0.079 R)
• M32: 45,557,937 km (0.05 R)
• M33: 46,867,816 km (0.099 R)
• M34: 49,714,963 km (0.069 R)
• M35: 51,728,101 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.5

Radius: 4.2

Gravity: 43.4 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.28 AU - 9.12 AU

Year: 14492 Days

Day: 24.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 107.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 94,064,893 km

• M1: 53,556 km (0.06 R)
• M2: 219,460 km (0.044 R)
• M3: 524,191 km (0.029 R)
• M4: 684,709 km (0.03 R)
• M5: 878,289 km (0.109 R)
• M6: 1,183,918 km (0.039 R)
• M7: 1,541,157 km (0.062 R)
• M8: 3,408,587 km (0.116 R)
• M9: 4,187,095 km (0.114 R)
• M10: 5,291,277 km (0.114 R)
• M11: 5,929,760 km (0.046 R)
• M12: 7,313,391 km (0.118 R)
• M13: 7,960,551 km (0.059 R)
• M14: 9,209,694 km (0.113 R)
• M15: 10,074,369 km (0.111 R)
• M16: 10,641,495 km (0.096 R)
• M17: 11,349,841 km (0.119 R)
• M18: 13,731,439 km (0.117 R)
• M19: 14,076,860 km (0.105 R)
• M20: 17,370,557 km (0.105 R)
• M21: 18,350,572 km (0.048 R)
• M22: 18,854,119 km (0.103 R)
• M23: 19,888,887 km (0.065 R)
• M24: 21,143,265 km (0.117 R)
• M25: 21,789,827 km (0.08 R)
• M26: 23,122,296 km (0.051 R)
• M27: 24,106,650 km (0.115 R)
• M28: 35,661,440 km (0.043 R)
• M29: 39,555,023 km (0.076 R)
• M30: 42,837,350 km (0.048 R)
• M31: 44,020,221 km (0.101 R)
• M32: 44,169,669 km (0.101 R)
• M33: 44,319,416 km (0.114 R)
• M34: 51,744,407 km (0.077 R)
• M35: 51,910,910 km (0.077 R)
• M36: 59,956,583 km (0.1 R)
• M37: 62,560,782 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.1

Radius: 6.5

Gravity: 22.75 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.68 AU - 12.4 AU

Year: 23209 Days

Day: 19 Hours

Environment

Temp: -234 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 94,064,893 km

• M1: 81,082 km (0.052 R)
• M2: 322,533 km (0.095 R)
• M3: 1,254,378 km (0.106 R)
• M4: 1,972,149 km (0.094 R)
• M5: 3,103,109 km (0.09 R)
• M6: 3,427,736 km (0.052 R)
• M7: 3,840,327 km (0.12 R)
• M8: 4,357,038 km (0.107 R)
• M9: 4,576,348 km (0.113 R)
• M10: 4,802,989 km (0.034 R)
• M11: 6,324,250 km (0.059 R)
• M12: 7,657,915 km (0.113 R)
• M13: 11,003,073 km (0.083 R)
• M14: 11,828,853 km (0.092 R)
• M15: 12,918,225 km (0.073 R)
• M16: 13,372,105 km (0.1 R)
• M17: 13,836,606 km (0.064 R)
• M18: 14,634,711 km (0.087 R)
• M19: 16,147,744 km (0.096 R)
• M20: 24,833,845 km (0.104 R)
• M21: 26,010,582 km (0.111 R)
• M22: 32,179,400 km (0.046 R)
• M23: 33,153,431 km (0.115 R)
• M24: 34,003,895 km (0.12 R)
• M25: 48,562,461 km (0.103 R)
• M26: 50,027,772 km (0.114 R)
• M27: 50,398,775 km (0.076 R)
• M28: 52,854,424 km (0.109 R)
• M29: 55,190,843 km (0.084 R)
• M30: 60,697,990 km (0.09 R)
• M31: 69,512,745 km (0.056 R)
• M32: 71,138,275 km (0.09 R)
• M33: 79,646,804 km (0.082 R)
• M34: 80,915,095 km (0.117 R)
• M35: 87,727,931 km (0.085 R)
• M36: 90,447,022 km (0.088 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 11,898 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit