🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.2

Radius: 12.3

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.64 AU - 0.82 AU

Year: 438 Days

Day: 5.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 48,321,579 km

• M1: 153,039 km (0.098 R)
• M2: 557,102 km (0.053 R)
• M3: 1,037,162 km (0.112 R)
• M4: 1,467,555 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.6

Radius: 9.5

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.12 AU - 1.22 AU

Year: 890 Days

Day: 7.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,321,579 km

• M1: 118,482 km (0.098 R)
• M2: 435,031 km (0.086 R)
• M3: 833,859 km (0.119 R)
• M4: 1,133,204 km (0.05 R)
• M5: 1,676,095 km (0.07 R)
• M6: 2,027,500 km (0.085 R)
• M7: 2,516,685 km (0.086 R)
• M8: 3,121,958 km (0.088 R)
• M9: 3,445,389 km (0.117 R)
• M10: 3,866,357 km (0.115 R)
• M11: 4,240,352 km (0.069 R)
• M12: 4,655,635 km (0.083 R)
• M13: 5,152,749 km (0.09 R)
• M14: 5,704,616 km (0.109 R)
• M15: 6,190,659 km (0.114 R)
• M16: 6,836,922 km (0.076 R)
• M17: 7,409,283 km (0.095 R)
• M18: 7,767,869 km (0.114 R)
• M19: 8,340,081 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.2

Radius: 8.1

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.46 AU - 1.78 AU

Year: 1449 Days

Day: 12.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,321,579 km

• M1: 100,679 km (0.104 R)
• M2: 395,836 km (0.028 R)
• M3: 834,008 km (0.111 R)
• M4: 1,121,386 km (0.11 R)
• M5: 1,390,811 km (0.066 R)
• M6: 1,782,010 km (0.049 R)
• M7: 2,097,063 km (0.054 R)
• M8: 2,375,764 km (0.064 R)
• M9: 3,521,683 km (0.044 R)
• M10: 3,986,933 km (0.069 R)
• M11: 5,436,237 km (0.098 R)
• M12: 5,875,756 km (0.112 R)
• M13: 6,244,365 km (0.049 R)
• M14: 7,765,476 km (0.107 R)
• M15: 8,323,476 km (0.112 R)
• M16: 10,588,687 km (0.05 R)
• M17: 10,859,609 km (0.074 R)
• M18: 11,135,168 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.3

Radius: 9.3

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.05 AU - 3.92 AU

Year: 4563 Days

Day: 6.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,321,579 km

• M1: 115,639 km (0.106 R)
• M2: 576,101 km (0.101 R)
• M3: 1,174,343 km (0.063 R)
• M4: 1,613,263 km (0.111 R)
• M5: 1,973,196 km (0.106 R)
• M6: 2,342,852 km (0.09 R)
• M7: 2,807,653 km (0.06 R)
• M8: 3,222,937 km (0.054 R)
• M9: 3,758,946 km (0.11 R)
• M10: 5,233,083 km (0.098 R)
• M11: 5,675,294 km (0.107 R)
• M12: 6,341,753 km (0.12 R)
• M13: 6,634,366 km (0.026 R)
• M14: 7,028,407 km (0.118 R)
• M15: 7,830,252 km (0.069 R)
• M16: 8,133,487 km (0.049 R)
• M17: 8,549,818 km (0.091 R)
• M18: 9,164,066 km (0.066 R)
• M19: 9,538,959 km (0.107 R)
• M20: 10,319,560 km (0.088 R)
• M21: 12,321,030 km (0.11 R)
• M22: 14,467,460 km (0.093 R)
• M23: 15,815,337 km (0.115 R)
• M24: 17,075,849 km (0.108 R)
• M25: 17,759,511 km (0.103 R)
• M26: 18,049,731 km (0.038 R)
• M27: 20,550,259 km (0.056 R)
• M28: 22,928,716 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.4

Radius: 15

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.22 AU - 5.08 AU

Year: 7048 Days

Day: 8 Hours

Environment

Temp: -215 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,321,579 km

• M1: 186,848 km (0.091 R)
• M2: 879,635 km (0.112 R)
• M3: 1,561,652 km (0.105 R)
• M4: 2,230,055 km (0.054 R)
• M5: 2,772,049 km (0.117 R)
• M6: 3,671,431 km (0.071 R)
• M7: 5,155,591 km (0.077 R)
• M8: 5,699,529 km (0.116 R)
• M9: 6,761,674 km (0.062 R)
• M10: 8,110,449 km (0.03 R)
• M11: 8,849,013 km (0.115 R)
• M12: 9,366,023 km (0.077 R)
• M13: 11,387,091 km (0.119 R)
• M14: 12,634,288 km (0.077 R)
• M15: 13,515,270 km (0.092 R)
• M16: 17,320,890 km (0.1 R)
• M17: 18,063,793 km (0.093 R)
• M18: 18,757,479 km (0.114 R)
• M19: 23,056,772 km (0.046 R)
• M20: 23,790,998 km (0.113 R)
• M21: 24,540,783 km (0.115 R)
• M22: 30,822,696 km (0.113 R)
• M23: 33,031,659 km (0.104 R)
• M24: 34,174,886 km (0.087 R)
• M25: 35,129,769 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.7

Radius: 8.1

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.04 AU - 5.28 AU

Year: 8239 Days

Day: 5.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,321,579 km

• M1: 100,829 km (0.11 R)
• M2: 452,234 km (0.107 R)
• M3: 907,909 km (0.098 R)
• M4: 1,248,544 km (0.073 R)
• M5: 1,594,414 km (0.112 R)
• M6: 2,160,492 km (0.108 R)
• M7: 2,517,134 km (0.104 R)
• M8: 3,053,891 km (0.118 R)
• M9: 6,021,613 km (0.118 R)
• M10: 6,523,215 km (0.105 R)
• M11: 7,346,003 km (0.041 R)
• M12: 8,276,353 km (0.099 R)
• M13: 9,816,313 km (0.09 R)
• M14: 11,946,886 km (0.08 R)
• M15: 13,452,888 km (0.094 R)
• M16: 13,848,424 km (0.102 R)
• M17: 14,603,295 km (0.084 R)
• M18: 15,446,728 km (0.105 R)
• M19: 16,258,745 km (0.105 R)
• M20: 16,578,436 km (0.119 R)
• M21: 20,526,324 km (0.105 R)
• M22: 22,361,291 km (0.115 R)
• M23: 23,562,113 km (0.079 R)
• M24: 25,486,092 km (0.058 R)
• M25: 30,507,195 km (0.058 R)
• M26: 33,505,734 km (0.12 R)
• M27: 34,652,851 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.7

Radius: 5.6

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.82 AU - 6.24 AU

Year: 9141 Days

Day: 15.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,321,579 km

• M1: 69,713 km (0.06 R)
• M2: 263,292 km (0.106 R)
• M3: 715,676 km (0.093 R)
• M4: 1,196,633 km (0.034 R)
• M5: 2,118,455 km (0.069 R)
• M6: 2,911,025 km (0.11 R)
• M7: 4,288,672 km (0.058 R)
• M8: 4,945,107 km (0.077 R)
• M9: 8,702,707 km (0.107 R)
• M10: 17,311,017 km (0.076 R)
• M11: 21,698,872 km (0.048 R)
• M12: 27,132,416 km (0.094 R)
• M13: 27,675,456 km (0.046 R)
• M14: 28,783,229 km (0.095 R)
• M15: 29,348,110 km (0.108 R)
• M16: 29,538,100 km (0.061 R)
• M17: 30,694,790 km (0.101 R)
• M18: 33,407,299 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.3

Radius: 7.9

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.52 AU - 6.88 AU

Year: 9566 Days

Day: 21 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,321,579 km

• M1: 99,034 km (0.071 R)
• M2: 474,524 km (0.12 R)
• M3: 776,413 km (0.067 R)
• M4: 1,519,615 km (0.103 R)
• M5: 1,778,569 km (0.086 R)
• M6: 2,975,502 km (0.119 R)
• M7: 5,872,315 km (0.096 R)
• M8: 7,278,236 km (0.067 R)
• M9: 8,244,787 km (0.119 R)
• M10: 10,873,671 km (0.097 R)
• M11: 13,178,974 km (0.076 R)
• M12: 13,961,520 km (0.11 R)
• M13: 15,277,533 km (0.099 R)
• M14: 16,199,505 km (0.086 R)
• M15: 16,975,618 km (0.089 R)
• M16: 17,901,629 km (0.107 R)
• M17: 20,604,115 km (0.106 R)
• M18: 22,452,247 km (0.07 R)
• M19: 25,110,751 km (0.084 R)
• M20: 25,666,507 km (0.098 R)
• M21: 26,311,722 km (0.084 R)
• M22: 28,483,584 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.3

Radius: 6.6

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.65 AU - 7.73 AU

Year: 10825 Days

Day: 23.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,321,579 km

• M1: 294,109 km (0.077 R)
• M2: 525,388 km (0.116 R)
• M3: 2,181,885 km (0.098 R)
• M4: 2,775,340 km (0.073 R)
• M5: 3,192,568 km (0.102 R)
• M6: 3,650,786 km (0.08 R)
• M7: 5,174,142 km (0.105 R)
• M8: 6,028,046 km (0.109 R)
• M9: 8,609,208 km (0.105 R)
• M10: 12,727,039 km (0.12 R)
• M11: 13,374,349 km (0.062 R)
• M12: 17,860,639 km (0.043 R)
• M13: 19,016,732 km (0.11 R)
• M14: 22,008,988 km (0.039 R)
• M15: 27,818,173 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.8

Radius: 3.7

Gravity: 14.67 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.6 AU - 10.22 AU

Year: 18695 Days

Day: 22 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,321,579 km

• M1: 125,363 km (0.111 R)
• M2: 664,514 km (0.099 R)
• M3: 1,298,061 km (0.081 R)
• M4: 1,703,172 km (0.112 R)
• M5: 3,521,384 km (0.073 R)
• M6: 4,158,372 km (0.098 R)
• M7: 4,386,658 km (0.115 R)
• M8: 6,337,415 km (0.108 R)
• M9: 7,397,166 km (0.116 R)
• M10: 8,121,818 km (0.098 R)
• M11: 8,753,121 km (0.073 R)
• M12: 10,011,239 km (0.09 R)
• M13: 10,421,436 km (0.063 R)
• M14: 12,406,899 km (0.095 R)
• M15: 13,736,675 km (0.058 R)
• M16: 14,565,447 km (0.112 R)
• M17: 14,959,039 km (0.101 R)
• M18: 15,836,131 km (0.1 R)
• M19: 17,766,094 km (0.083 R)
• M20: 19,058,470 km (0.108 R)
• M21: 19,371,428 km (0.095 R)
• M22: 20,904,956 km (0.079 R)
• M23: 21,828,872 km (0.09 R)
• M24: 25,135,733 km (0.06 R)
• M25: 30,644,974 km (0.115 R)
• M26: 33,735,816 km (0.09 R)
• M27: 41,567,115 km (0.08 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: 534 - 10,606 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit