🌌 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: 785.5

Radius: 14.5

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.62 AU - 0.68 AU

Year: 362 Days

Day: 14.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,769,260 km

• M1: 180,415 km (0.077 R)
• M2: 720,912 km (0.105 R)
• M3: 1,253,780 km (0.07 R)
• M4: 2,339,711 km (0.11 R)
• M5: 2,826,951 km (0.093 R)
• M6: 3,371,038 km (0.067 R)
• M7: 4,380,674 km (0.059 R)
• M8: 4,979,216 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749

Radius: 9.7

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.05 AU - 2.35 AU

Year: 2252 Days

Day: 9.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,769,260 km

• M1: 121,025 km (0.118 R)
• M2: 554,410 km (0.1 R)
• M3: 899,233 km (0.11 R)
• M4: 1,318,107 km (0.105 R)
• M5: 1,636,152 km (0.117 R)
• M6: 2,006,107 km (0.086 R)
• M7: 2,557,974 km (0.052 R)
• M8: 3,501,488 km (0.09 R)
• M9: 3,831,351 km (0.08 R)
• M10: 4,618,385 km (0.111 R)
• M11: 5,154,095 km (0.118 R)
• M12: 5,533,775 km (0.113 R)
• M13: 6,430,016 km (0.117 R)
• M14: 6,786,507 km (0.052 R)
• M15: 7,098,419 km (0.112 R)
• M16: 7,781,932 km (0.068 R)
• M17: 8,314,799 km (0.058 R)
• M18: 10,961,335 km (0.077 R)
• M19: 12,751,124 km (0.12 R)
• M20: 14,078,057 km (0.075 R)
• M21: 16,439,908 km (0.103 R)
• M22: 17,370,258 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.7

Radius: 10.1

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.68 AU - 3.9 AU

Year: 5093 Days

Day: 14.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 132.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,769,260 km

• M1: 129,402 km (0.084 R)
• M2: 558,898 km (0.031 R)
• M3: 1,237,922 km (0.105 R)
• M4: 1,975,739 km (0.077 R)
• M5: 2,321,759 km (0.107 R)
• M6: 2,816,479 km (0.054 R)
• M7: 3,767,024 km (0.076 R)
• M8: 4,812,264 km (0.107 R)
• M9: 6,744,321 km (0.113 R)
• M10: 7,682,000 km (0.085 R)
• M11: 9,227,645 km (0.095 R)
• M12: 9,900,537 km (0.074 R)
• M13: 10,471,103 km (0.085 R)
• M14: 14,813,480 km (0.112 R)
• M15: 15,794,842 km (0.112 R)
• M16: 17,191,039 km (0.08 R)
• M17: 18,144,726 km (0.116 R)
• M18: 23,603,552 km (0.112 R)
• M19: 24,069,998 km (0.066 R)
• M20: 24,621,865 km (0.057 R)
• M21: 29,885,167 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.9

Radius: 9

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.72 AU - 4.76 AU

Year: 6026 Days

Day: 6 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,769,260 km

• M1: 111,899 km (0.095 R)
• M2: 435,031 km (0.081 R)
• M3: 886,068 km (0.115 R)
• M4: 1,212,940 km (0.097 R)
• M5: 2,070,734 km (0.09 R)
• M6: 2,351,679 km (0.109 R)
• M7: 3,442,397 km (0.113 R)
• M8: 3,743,687 km (0.108 R)
• M9: 4,479,858 km (0.083 R)
• M10: 5,808,885 km (0.063 R)
• M11: 7,048,004 km (0.058 R)
• M12: 7,613,185 km (0.116 R)
• M13: 8,046,570 km (0.103 R)
• M14: 8,538,149 km (0.11 R)
• M15: 10,561,610 km (0.029 R)
• M16: 12,449,684 km (0.098 R)
• M17: 14,492,593 km (0.096 R)
• M18: 15,406,337 km (0.112 R)
• M19: 20,333,791 km (0.038 R)
• M20: 21,947,653 km (0.118 R)
• M21: 25,082,177 km (0.111 R)
• M22: 26,576,511 km (0.047 R)
• M23: 35,055,269 km (0.087 R)
• M24: 35,815,525 km (0.107 R)
• M25: 36,476,150 km (0.098 R)
• M26: 37,935,028 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.9

Radius: 14.3

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.41 AU - 5.45 AU

Year: 6436 Days

Day: 13.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,769,260 km

• M1: 177,872 km (0.098 R)
• M2: 632,949 km (0.119 R)
• M3: 1,106,575 km (0.092 R)
• M4: 2,203,876 km (0.102 R)
• M5: 4,210,432 km (0.098 R)
• M6: 4,933,139 km (0.068 R)
• M7: 5,460,023 km (0.116 R)
• M8: 6,422,087 km (0.058 R)
• M9: 10,039,812 km (0.063 R)
• M10: 11,332,936 km (0.048 R)
• M11: 14,482,869 km (0.104 R)
• M12: 18,039,259 km (0.116 R)
• M13: 18,941,484 km (0.066 R)
• M14: 19,583,408 km (0.084 R)
• M15: 21,138,179 km (0.026 R)
• M16: 22,535,124 km (0.12 R)
• M17: 24,914,029 km (0.057 R)
• M18: 26,738,076 km (0.113 R)
• M19: 28,556,588 km (0.041 R)
• M20: 29,117,879 km (0.116 R)
• M21: 32,337,973 km (0.093 R)
• M22: 33,462,052 km (0.118 R)
• M23: 34,295,910 km (0.086 R)
• M24: 35,250,494 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235.9

Radius: 3.7

Gravity: 17.23 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.9 AU - 7.98 AU

Year: 11281 Days

Day: 24.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,769,260 km

• M1: 46,076 km (0.108 R)
• M2: 168,746 km (0.038 R)
• M3: 402,418 km (0.094 R)
• M4: 600,635 km (0.112 R)
• M5: 810,521 km (0.042 R)
• M6: 932,892 km (0.103 R)
• M7: 1,215,333 km (0.109 R)
• M8: 1,352,814 km (0.076 R)
• M9: 2,355,867 km (0.099 R)
• M10: 2,877,066 km (0.086 R)
• M11: 3,471,269 km (0.114 R)
• M12: 3,869,648 km (0.035 R)
• M13: 4,701,263 km (0.096 R)
• M14: 5,899,990 km (0.098 R)
• M15: 8,796,355 km (0.058 R)
• M16: 10,595,419 km (0.048 R)
• M17: 10,933,660 km (0.12 R)
• M18: 11,229,265 km (0.088 R)
• M19: 14,543,456 km (0.096 R)
• M20: 15,203,183 km (0.055 R)
• M21: 16,841,579 km (0.081 R)
• M22: 17,368,462 km (0.115 R)
• M23: 19,227,814 km (0.068 R)
• M24: 23,174,805 km (0.112 R)
• M25: 26,027,786 km (0.107 R)
• M26: 26,731,644 km (0.102 R)
• M27: 28,177,058 km (0.048 R)
• M28: 28,639,166 km (0.067 R)
• M29: 31,419,891 km (0.079 R)
• M30: 33,130,842 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.4

Radius: 3.1

Gravity: 62.89 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.84 AU - 7.98 AU

Year: 12538 Days

Day: 24.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 84,769,260 km

• M1: 40,840 km (0.094 R)
• M2: 201,359 km (0.105 R)
• M3: 547,528 km (0.109 R)
• M4: 705,653 km (0.106 R)
• M5: 863,180 km (0.086 R)
• M6: 1,021,454 km (0.095 R)
• M7: 1,249,292 km (0.091 R)
• M8: 1,554,172 km (0.118 R)
• M9: 1,708,108 km (0.111 R)
• M10: 2,119,652 km (0.107 R)
• M11: 3,110,738 km (0.072 R)
• M12: 3,534,698 km (0.063 R)
• M13: 3,666,494 km (0.109 R)
• M14: 4,110,351 km (0.101 R)
• M15: 4,315,300 km (0.088 R)
• M16: 7,334,933 km (0.096 R)
• M17: 8,036,248 km (0.085 R)
• M18: 9,419,580 km (0.053 R)
• M19: 12,343,021 km (0.082 R)
• M20: 12,524,633 km (0.117 R)
• M21: 12,955,176 km (0.087 R)
• M22: 13,845,582 km (0.12 R)
• M23: 14,640,695 km (0.096 R)
• M24: 14,912,365 km (0.092 R)
• M25: 19,482,280 km (0.074 R)
• M26: 19,728,369 km (0.117 R)
• M27: 20,818,937 km (0.025 R)
• M28: 21,422,415 km (0.119 R)
• M29: 24,235,902 km (0.115 R)
• M30: 26,878,698 km (0.086 R)
• M31: 28,112,581 km (0.075 R)
• M32: 38,979,969 km (0.1 R)
• M33: 39,240,120 km (0.098 R)
• M34: 40,027,603 km (0.059 R)
• M35: 40,159,848 km (0.105 R)
• M36: 41,905,954 km (0.091 R)
• M37: 42,042,387 km (0.086 R)
• M38: 45,837,386 km (0.033 R)
• M39: 48,490,355 km (0.097 R)
• M40: 49,093,384 km (0.08 R)
• M41: 52,184,225 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.1

Radius: 6.7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.26 AU - 8.32 AU

Year: 15008 Days

Day: 15.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,769,260 km

• M1: 138,677 km (0.116 R)
• M2: 415,583 km (0.091 R)
• M3: 2,176,799 km (0.105 R)
• M4: 4,033,907 km (0.039 R)
• M5: 6,373,468 km (0.096 R)
• M6: 7,673,623 km (0.082 R)
• M7: 10,312,080 km (0.075 R)
• M8: 18,303,748 km (0.071 R)
• M9: 20,006,471 km (0.096 R)
• M10: 23,970,067 km (0.118 R)
• M11: 27,785,261 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.3

Radius: 3.1

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.7 AU - 9.3 AU

Year: 15619 Days

Day: 19.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,769,260 km

• M1: 38,596 km (0.119 R)
• M2: 469,438 km (0.111 R)
• M3: 631,901 km (0.095 R)
• M4: 873,652 km (0.107 R)
• M5: 1,040,154 km (0.11 R)
• M6: 1,364,632 km (0.101 R)
• M7: 1,642,585 km (0.101 R)
• M8: 2,128,329 km (0.094 R)
• M9: 3,288,311 km (0.091 R)
• M10: 4,514,116 km (0.071 R)
• M11: 6,079,807 km (0.101 R)
• M12: 16,501,244 km (0.117 R)
• M13: 20,685,197 km (0.092 R)
• M14: 25,354,296 km (0.098 R)
• M15: 29,354,094 km (0.081 R)
• M16: 31,944,980 km (0.117 R)
• M17: 33,143,707 km (0.115 R)
• M18: 34,788,536 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.3

Radius: 6.1

Gravity: 23.42 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 7.92 AU - 11.48 AU

Year: 20853 Days

Day: 16.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,769,260 km

• M1: 75,846 km (0.099 R)
• M2: 293,661 km (0.108 R)
• M3: 545,434 km (0.109 R)
• M4: 773,870 km (0.102 R)
• M5: 3,175,215 km (0.111 R)
• M6: 4,160,466 km (0.089 R)
• M7: 4,984,751 km (0.092 R)
• M8: 7,589,549 km (0.059 R)
• M9: 9,325,632 km (0.103 R)
• M10: 9,918,488 km (0.067 R)
• M11: 12,684,703 km (0.12 R)
• M12: 17,206,149 km (0.083 R)
• M13: 18,645,430 km (0.115 R)
• M14: 27,777,632 km (0.055 R)
• M15: 30,645,423 km (0.105 R)
• M16: 32,484,430 km (0.067 R)
• M17: 34,118,188 km (0.102 R)
• M18: 36,525,218 km (0.117 R)
• M19: 49,206,031 km (0.113 R)
• M20: 52,088,183 km (0.109 R)
• M21: 62,023,427 km (0.107 R)
• M22: 63,269,278 km (0.105 R)
• M23: 68,419,633 km (0.083 R)
• M24: 83,505,232 km (0.091 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 17,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit