🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.9

Radius: 14.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.69 AU - 0.85 AU

Year: 458 Days

Day: 6.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,754,765 km

• M1: 182,809 km (0.11 R)
• M2: 675,734 km (0.098 R)
• M3: 1,234,332 km (0.035 R)
• M4: 1,723,218 km (0.034 R)
• M5: 2,219,135 km (0.09 R)
• M6: 2,719,091 km (0.079 R)
• M7: 3,271,705 km (0.064 R)
• M8: 3,744,584 km (0.065 R)
• M9: 4,277,302 km (0.045 R)
• M10: 4,875,993 km (0.091 R)
• M11: 5,497,123 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296

Radius: 13.8

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.6 AU - 0.96 AU

Year: 467 Days

Day: 11.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,754,765 km

• M1: 172,337 km (0.118 R)
• M2: 606,769 km (0.072 R)
• M3: 1,078,451 km (0.116 R)
• M4: 1,679,087 km (0.068 R)
• M5: 2,152,115 km (0.045 R)
• M6: 2,933,614 km (0.085 R)
• M7: 3,517,794 km (0.114 R)
• M8: 4,356,739 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.4

Radius: 10.2

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.74 AU - 0.96 AU

Year: 532 Days

Day: 14.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,754,765 km

• M1: 127,009 km (0.082 R)
• M2: 464,352 km (0.063 R)
• M3: 828,473 km (0.044 R)
• M4: 1,180,178 km (0.108 R)
• M5: 1,872,367 km (0.038 R)
• M6: 2,684,384 km (0.05 R)
• M7: 3,337,528 km (0.08 R)
• M8: 3,661,857 km (0.101 R)
• M9: 4,748,236 km (0.066 R)
• M10: 5,160,079 km (0.097 R)
• M11: 5,831,923 km (0.078 R)
• M12: 6,189,163 km (0.094 R)
• M13: 7,031,100 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.8

Radius: 12.2

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.14 AU - 1.84 AU

Year: 1234 Days

Day: 14.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,754,765 km

• M1: 151,692 km (0.115 R)
• M2: 553,213 km (0.072 R)
• M3: 1,089,970 km (0.094 R)
• M4: 1,618,948 km (0.064 R)
• M5: 2,238,732 km (0.106 R)
• M6: 2,706,674 km (0.116 R)
• M7: 3,108,345 km (0.082 R)
• M8: 3,538,139 km (0.098 R)
• M9: 4,271,468 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.3

Radius: 12.1

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.51 AU - 2.43 AU

Year: 1875 Days

Day: 10.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,754,765 km

• M1: 153,487 km (0.083 R)
• M2: 533,616 km (0.088 R)
• M3: 1,236,277 km (0.079 R)
• M4: 1,665,323 km (0.075 R)
• M5: 2,280,620 km (0.099 R)
• M6: 2,893,073 km (0.113 R)
• M7: 3,527,368 km (0.055 R)
• M8: 4,025,230 km (0.072 R)
• M9: 4,692,586 km (0.1 R)
• M10: 5,854,961 km (0.098 R)
• M11: 6,953,758 km (0.076 R)
• M12: 7,827,858 km (0.075 R)
• M13: 8,553,707 km (0.04 R)
• M14: 10,280,515 km (0.114 R)
• M15: 11,490,612 km (0.108 R)
• M16: 12,348,556 km (0.081 R)
• M17: 12,916,430 km (0.112 R)
• M18: 13,930,404 km (0.107 R)
• M19: 14,725,218 km (0.074 R)
• M20: 15,179,696 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.7

Radius: 9.6

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.91 AU - 4.85 AU

Year: 5184 Days

Day: 6.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,754,765 km

• M1: 121,922 km (0.064 R)
• M2: 432,787 km (0.118 R)
• M3: 815,608 km (0.097 R)
• M4: 1,177,186 km (0.102 R)
• M5: 1,724,714 km (0.074 R)
• M6: 2,065,647 km (0.112 R)
• M7: 2,608,837 km (0.077 R)
• M8: 3,478,300 km (0.073 R)
• M9: 3,908,992 km (0.1 R)
• M10: 4,556,003 km (0.1 R)
• M11: 4,905,314 km (0.049 R)
• M12: 5,301,599 km (0.028 R)
• M13: 5,780,611 km (0.082 R)
• M14: 7,392,678 km (0.081 R)
• M15: 7,763,082 km (0.086 R)
• M16: 8,145,903 km (0.078 R)
• M17: 11,578,576 km (0.098 R)
• M18: 12,283,032 km (0.094 R)
• M19: 12,803,483 km (0.101 R)
• M20: 14,169,162 km (0.075 R)
• M21: 15,811,298 km (0.111 R)
• M22: 17,905,220 km (0.085 R)
• M23: 18,847,088 km (0.086 R)
• M24: 20,902,562 km (0.053 R)
• M25: 22,022,303 km (0.115 R)
• M26: 22,790,787 km (0.056 R)
• M27: 23,418,350 km (0.076 R)
• M28: 23,816,430 km (0.086 R)
• M29: 25,203,501 km (0.081 R)
• M30: 26,471,642 km (0.113 R)
• M31: 28,678,809 km (0.086 R)
• M32: 30,815,217 km (0.113 R)
• M33: 32,856,779 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.1

Radius: 14.1

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.25 AU - 5.29 AU

Year: 5985 Days

Day: 8 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,754,765 km

• M1: 175,478 km (0.094 R)
• M2: 660,175 km (0.07 R)
• M3: 1,436,888 km (0.08 R)
• M4: 2,742,727 km (0.079 R)
• M5: 4,122,917 km (0.091 R)
• M6: 5,237,721 km (0.034 R)
• M7: 5,895,951 km (0.116 R)
• M8: 9,219,118 km (0.088 R)
• M9: 9,881,538 km (0.069 R)
• M10: 11,025,812 km (0.095 R)
• M11: 12,256,554 km (0.117 R)
• M12: 12,753,667 km (0.099 R)
• M13: 13,368,066 km (0.114 R)
• M14: 15,444,634 km (0.044 R)
• M15: 17,665,713 km (0.112 R)
• M16: 18,365,233 km (0.063 R)
• M17: 21,780,403 km (0.088 R)
• M18: 22,882,490 km (0.048 R)
• M19: 24,409,436 km (0.068 R)
• M20: 24,880,519 km (0.03 R)
• M21: 26,248,293 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.6

Radius: 6.5

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.6 AU - 7.22 AU

Year: 9745 Days

Day: 22.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,754,765 km

• M1: 80,932 km (0.091 R)
• M2: 446,550 km (0.045 R)
• M3: 1,158,935 km (0.108 R)
• M4: 1,496,727 km (0.046 R)
• M5: 2,033,783 km (0.107 R)
• M6: 2,309,043 km (0.102 R)
• M7: 2,511,449 km (0.102 R)
• M8: 3,306,263 km (0.116 R)
• M9: 3,944,297 km (0.064 R)
• M10: 4,492,125 km (0.104 R)
• M11: 5,738,574 km (0.092 R)
• M12: 6,171,361 km (0.073 R)
• M13: 7,398,662 km (0.089 R)
• M14: 9,007,737 km (0.062 R)
• M15: 9,552,422 km (0.094 R)
• M16: 9,792,527 km (0.107 R)
• M17: 11,186,031 km (0.09 R)
• M18: 11,723,985 km (0.071 R)
• M19: 11,999,395 km (0.094 R)
• M20: 12,754,864 km (0.078 R)
• M21: 13,144,417 km (0.077 R)
• M22: 18,027,591 km (0.091 R)
• M23: 18,271,884 km (0.119 R)
• M24: 20,702,849 km (0.059 R)
• M25: 22,344,536 km (0.102 R)
• M26: 23,777,385 km (0.079 R)
• M27: 25,884,770 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.5

Radius: 7.1

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.72 AU - 11.32 AU

Year: 19923 Days

Day: 21.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 86,754,765 km

• M1: 195,524 km (0.095 R)
• M2: 489,185 km (0.102 R)
• M3: 895,642 km (0.106 R)
• M4: 1,332,468 km (0.064 R)
• M5: 1,804,150 km (0.104 R)
• M6: 2,245,913 km (0.099 R)
• M7: 3,196,607 km (0.107 R)
• M8: 4,392,343 km (0.067 R)
• M9: 5,057,455 km (0.081 R)
• M10: 5,860,796 km (0.108 R)
• M11: 6,586,345 km (0.03 R)
• M12: 7,284,968 km (0.108 R)
• M13: 8,400,519 km (0.073 R)
• M14: 9,884,679 km (0.063 R)
• M15: 10,201,228 km (0.085 R)
• M16: 16,304,971 km (0.053 R)
• M17: 16,672,982 km (0.076 R)
• M18: 17,887,866 km (0.109 R)
• M19: 21,974,581 km (0.081 R)
• M20: 27,463,626 km (0.119 R)
• M21: 28,618,671 km (0.092 R)
• M22: 29,154,231 km (0.106 R)
• M23: 29,696,524 km (0.105 R)
• M24: 31,704,426 km (0.119 R)
• M25: 33,209,680 km (0.114 R)
• M26: 35,617,607 km (0.091 R)
• M27: 37,498,202 km (0.097 R)
• M28: 39,576,117 km (0.032 R)
• M29: 45,393,379 km (0.093 R)
• M30: 46,415,283 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.5

Radius: 7.1

Gravity: 19.55 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.56 AU - 10.72 AU

Year: 20301 Days

Day: 20.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,754,765 km

• M1: 88,263 km (0.067 R)
• M2: 398,678 km (0.085 R)
• M3: 636,988 km (0.03 R)
• M4: 998,566 km (0.056 R)
• M5: 2,268,353 km (0.06 R)
• M6: 2,620,506 km (0.079 R)
• M7: 4,881,528 km (0.059 R)
• M8: 5,308,780 km (0.092 R)
• M9: 5,888,322 km (0.051 R)
• M10: 6,694,505 km (0.041 R)
• M11: 10,409,917 km (0.114 R)
• M12: 12,134,182 km (0.097 R)
• M13: 17,261,650 km (0.115 R)
• M14: 17,707,302 km (0.107 R)
• M15: 18,252,287 km (0.04 R)
• M16: 19,954,112 km (0.116 R)
• M17: 22,489,347 km (0.113 R)
• M18: 37,386,901 km (0.104 R)
• M19: 40,743,279 km (0.094 R)
• M20: 42,333,355 km (0.047 R)
• M21: 47,873,413 km (0.075 R)
• M22: 50,182,307 km (0.078 R)
• M23: 50,907,407 km (0.112 R)
• M24: 51,639,539 km (0.08 R)
• M25: 67,354,646 km (0.103 R)
• M26: 71,613,548 km (0.074 R)
• M27: 77,969,513 km (0.21 R)
• M28: 85,718,982 km (0.066 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 19,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit