🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.4

Radius: 13.6

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.49 AU - 0.71 AU

Year: 321 Days

Day: 5.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,707,040 km

• M1: 169,195 km (0.051 R)
• M2: 615,146 km (0.103 R)
• M3: 1,116,449 km (0.107 R)
• M4: 1,613,563 km (0.027 R)
• M5: 2,037,224 km (0.083 R)
• M6: 2,866,744 km (0.087 R)
• M7: 3,417,863 km (0.055 R)
• M8: 3,861,271 km (0.094 R)
• M9: 4,880,631 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.7

Radius: 11.9

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.99 AU - 1.51 AU

Year: 965 Days

Day: 14 Hours

Environment

Temp: -178 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,707,040 km

• M1: 158,723 km (0.073 R)
• M2: 588,967 km (0.079 R)
• M3: 1,000,511 km (0.087 R)
• M4: 1,537,717 km (0.07 R)
• M5: 2,062,506 km (0.098 R)
• M6: 3,402,903 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.5

Radius: 12.7

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.33 AU - 1.87 AU

Year: 1397 Days

Day: 11.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,707,040 km

• M1: 157,975 km (0.026 R)
• M2: 633,248 km (0.117 R)
• M3: 1,048,531 km (0.077 R)
• M4: 1,521,410 km (0.111 R)
• M5: 2,182,035 km (0.113 R)
• M6: 2,754,546 km (0.12 R)
• M7: 3,229,668 km (0.085 R)
• M8: 3,694,469 km (0.071 R)
• M9: 4,203,700 km (0.046 R)
• M10: 4,876,741 km (0.106 R)
• M11: 5,427,860 km (0.102 R)
• M12: 5,907,321 km (0.084 R)
• M13: 9,040,648 km (0.104 R)
• M14: 11,135,018 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.4

Radius: 11.1

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.3 AU - 2.78 AU

Year: 2794 Days

Day: 10 Hours

Environment

Temp: -204 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,707,040 km

• M1: 138,228 km (0.113 R)
• M2: 868,416 km (0.089 R)
• M3: 1,664,576 km (0.09 R)
• M4: 2,297,524 km (0.062 R)
• M5: 3,071,244 km (0.054 R)
• M6: 4,511,273 km (0.079 R)
• M7: 6,068,288 km (0.053 R)
• M8: 7,017,487 km (0.085 R)
• M9: 10,686,374 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.3

Radius: 14.5

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.35 AU - 5.09 AU

Year: 7078 Days

Day: 7.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,707,040 km

• M1: 180,714 km (0.062 R)
• M2: 657,183 km (0.066 R)
• M3: 1,135,747 km (0.086 R)
• M4: 2,320,712 km (0.05 R)
• M5: 2,859,563 km (0.094 R)
• M6: 4,585,624 km (0.047 R)
• M7: 6,338,462 km (0.099 R)
• M8: 8,380,922 km (0.061 R)
• M9: 10,213,346 km (0.101 R)
• M10: 11,830,798 km (0.039 R)
• M11: 12,353,194 km (0.071 R)
• M12: 13,332,312 km (0.03 R)
• M13: 13,783,948 km (0.081 R)
• M14: 15,139,454 km (0.117 R)
• M15: 17,104,721 km (0.044 R)
• M16: 20,032,052 km (0.095 R)
• M17: 29,923,015 km (0.091 R)
• M18: 30,503,604 km (0.108 R)
• M19: 32,392,128 km (0.114 R)
• M20: 34,251,928 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.8

Radius: 6.5

Gravity: 17.2 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.41 AU - 6.79 AU

Year: 9147 Days

Day: 24.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 28,707,040 km

• M1: 80,932 km (0.06 R)
• M2: 295,007 km (0.104 R)
• M3: 525,238 km (0.115 R)
• M4: 748,887 km (0.107 R)
• M5: 1,134,251 km (0.11 R)
• M6: 2,173,208 km (0.1 R)
• M7: 3,686,391 km (0.029 R)
• M8: 3,998,302 km (0.092 R)
• M9: 5,103,382 km (0.101 R)
• M10: 6,181,085 km (0.082 R)
• M11: 6,584,401 km (0.117 R)
• M12: 8,287,423 km (0.114 R)
• M13: 9,670,605 km (0.093 R)
• M14: 10,673,958 km (0.066 R)
• M15: 11,308,253 km (0.1 R)
• M16: 13,242,104 km (0.088 R)
• M17: 13,604,879 km (0.088 R)
• M18: 14,540,763 km (0.109 R)
• M19: 15,253,896 km (0.119 R)
• M20: 17,032,017 km (0.113 R)
• M21: 18,192,298 km (0.062 R)
• M22: 18,943,728 km (0.027 R)
• M23: 19,637,563 km (0.081 R)
• M24: 21,157,627 km (0.088 R)
• M25: 22,840,752 km (0.072 R)
• M26: 25,067,666 km (0.118 R)
• M27: 26,854,015 km (0.102 R)
• M28: 27,240,725 km (0.066 R)
• M29: 27,533,039 km (0.045 R)
• M30: 32,065,556 km (0.102 R)
• M31: 36,359,912 km (0.042 R)
• M32: 39,634,161 km (0.096 R)
• M33: 41,535,400 km (0.108 R)
• M34: 41,793,456 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.6

Radius: 7.2

Gravity: 19.22 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.5 AU - 6.48 AU

Year: 10119 Days

Day: 17.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 28,707,040 km

• M1: 91,554 km (0.102 R)
• M2: 339,587 km (0.115 R)
• M3: 574,306 km (0.08 R)
• M4: 893,249 km (0.103 R)
• M5: 1,118,244 km (0.107 R)
• M6: 1,354,758 km (0.089 R)
• M7: 1,781,561 km (0.116 R)
• M8: 2,035,877 km (0.101 R)
• M9: 2,275,832 km (0.105 R)
• M10: 3,693,422 km (0.079 R)
• M11: 5,003,899 km (0.105 R)
• M12: 5,910,163 km (0.114 R)
• M13: 6,402,340 km (0.083 R)
• M14: 7,170,376 km (0.111 R)
• M15: 7,598,525 km (0.08 R)
• M16: 8,365,513 km (0.073 R)
• M17: 11,087,895 km (0.118 R)
• M18: 11,371,832 km (0.097 R)
• M19: 16,749,726 km (0.115 R)
• M20: 17,274,964 km (0.094 R)
• M21: 17,503,400 km (0.056 R)
• M22: 18,044,346 km (0.052 R)
• M23: 19,078,366 km (0.049 R)
• M24: 22,507,748 km (0.103 R)
• M25: 29,568,169 km (0.055 R)
• M26: 30,779,463 km (0.106 R)
• M27: 33,418,519 km (0.099 R)
• M28: 34,370,709 km (0.105 R)
• M29: 36,329,095 km (0.065 R)
• M30: 39,141,834 km (0.097 R)
• M31: 40,735,650 km (0.067 R)
• M32: 42,787,983 km (0.118 R)
• M33: 46,360,380 km (0.033 R)
• M34: 53,929,284 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.9

Radius: 5

Gravity: 28.8 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.31 AU - 7.95 AU

Year: 13142 Days

Day: 23.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 28,707,040 km

• M1: 62,233 km (0.07 R)
• M2: 319,840 km (0.111 R)
• M3: 482,004 km (0.11 R)
• M4: 849,566 km (0.053 R)
• M5: 1,250,489 km (0.063 R)
• M6: 1,607,878 km (0.083 R)
• M7: 2,218,836 km (0.07 R)
• M8: 2,741,979 km (0.079 R)
• M9: 3,473,812 km (0.045 R)
• M10: 3,942,203 km (0.076 R)
• M11: 5,384,476 km (0.094 R)
• M12: 6,481,178 km (0.118 R)
• M13: 7,809,906 km (0.089 R)
• M14: 10,485,016 km (0.119 R)
• M15: 10,765,212 km (0.094 R)
• M16: 12,180,109 km (0.068 R)
• M17: 12,868,259 km (0.104 R)
• M18: 14,117,252 km (0.105 R)
• M19: 14,736,288 km (0.114 R)
• M20: 16,625,859 km (0.116 R)
• M21: 17,550,224 km (0.114 R)
• M22: 23,634,070 km (0.072 R)
• M23: 26,210,594 km (0.112 R)
• M24: 26,519,514 km (0.118 R)
• M25: 38,655,940 km (0.086 R)
• M26: 39,056,114 km (0.119 R)
• M27: 39,458,982 km (0.086 R)
• M28: 53,203,585 km (0.09 R)
• M29: 56,391,366 km (0.119 R)
• M30: 56,562,506 km (0.116 R)
• M31: 58,293,802 km (0.105 R)
• M32: 58,468,832 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.2

Radius: 5.9

Gravity: 17.79 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.28 AU - 8.02 AU

Year: 13197 Days

Day: 19.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 28,707,040 km

• M1: 73,303 km (0.069 R)
• M2: 293,062 km (0.108 R)
• M3: 560,244 km (0.099 R)
• M4: 922,720 km (0.117 R)
• M5: 1,780,963 km (0.055 R)
• M6: 2,300,965 km (0.032 R)
• M7: 3,301,027 km (0.035 R)
• M8: 3,505,377 km (0.085 R)
• M9: 4,500,951 km (0.11 R)
• M10: 5,493,683 km (0.055 R)
• M11: 10,882,497 km (0.064 R)
• M12: 12,900,722 km (0.114 R)
• M13: 14,808,693 km (0.112 R)
• M14: 15,155,760 km (0.111 R)
• M15: 17,199,866 km (0.109 R)
• M16: 17,583,135 km (0.107 R)
• M17: 18,606,834 km (0.111 R)
• M18: 19,092,279 km (0.051 R)
• M19: 19,920,303 km (0.119 R)
• M20: 20,514,057 km (0.107 R)
• M21: 21,825,731 km (0.111 R)
• M22: 23,849,491 km (0.071 R)
• M23: 25,894,643 km (0.028 R)
• M24: 32,727,077 km (0.111 R)
• M25: 36,743,481 km (0.079 R)
• M26: 37,251,665 km (0.076 R)
• M27: 44,577,323 km (0.097 R)
• M28: 50,427,497 km (0.055 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.4

Radius: 3.1

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.17 AU - 8.25 AU

Year: 13363 Days

Day: 19.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,707,040 km

• M1: 40,840 km (0.113 R)
• M2: 184,454 km (0.078 R)
• M3: 530,923 km (0.078 R)
• M4: 789,578 km (0.085 R)
• M5: 1,538,315 km (0.029 R)
• M6: 1,752,240 km (0.106 R)
• M7: 2,028,846 km (0.102 R)
• M8: 2,193,105 km (0.068 R)
• M9: 4,603,126 km (0.079 R)
• M10: 4,939,572 km (0.11 R)
• M11: 6,138,449 km (0.089 R)
• M12: 7,344,507 km (0.045 R)
• M13: 8,131,691 km (0.095 R)
• M14: 9,662,676 km (0.109 R)
• M15: 10,561,610 km (0.068 R)
• M16: 11,514,997 km (0.026 R)
• M17: 12,181,455 km (0.058 R)
• M18: 13,853,660 km (0.092 R)
• M19: 20,180,902 km (0.113 R)
• M20: 21,429,297 km (0.082 R)
• M21: 28,109,141 km (0.105 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 11,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit