🌌 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: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.8

Radius: 14.8

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.69 AU - 0.87 AU

Year: 476 Days

Day: 7.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,549,764 km

• M1: 184,604 km (0.033 R)
• M2: 746,493 km (0.102 R)
• M3: 1,224,159 km (0.037 R)
• M4: 1,705,865 km (0.113 R)
• M5: 2,217,639 km (0.109 R)
• M6: 2,901,600 km (0.035 R)
• M7: 3,470,970 km (0.12 R)
• M8: 4,127,405 km (0.115 R)
• M9: 4,711,286 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.4

Radius: 9

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.45 AU - 2.03 AU

Year: 1584 Days

Day: 13.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,549,764 km

• M1: 111,899 km (0.054 R)
• M2: 495,917 km (0.079 R)
• M3: 906,264 km (0.089 R)
• M4: 1,202,318 km (0.111 R)
• M5: 1,742,366 km (0.115 R)
• M6: 2,511,299 km (0.102 R)
• M7: 2,854,178 km (0.062 R)
• M8: 3,168,632 km (0.07 R)
• M9: 3,602,466 km (0.117 R)
• M10: 3,936,219 km (0.078 R)
• M11: 4,724,600 km (0.088 R)
• M12: 5,104,878 km (0.066 R)
• M13: 6,227,909 km (0.107 R)
• M14: 6,960,939 km (0.107 R)
• M15: 8,110,748 km (0.071 R)
• M16: 9,382,330 km (0.078 R)
• M17: 10,017,073 km (0.059 R)
• M18: 10,748,158 km (0.098 R)
• M19: 11,336,975 km (0.044 R)
• M20: 11,765,424 km (0.053 R)
• M21: 12,278,993 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.4

Radius: 9.9

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.62 AU - 2.14 AU

Year: 1779 Days

Day: 13.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,549,764 km

• M1: 125,961 km (0.11 R)
• M2: 475,871 km (0.091 R)
• M3: 822,938 km (0.06 R)
• M4: 1,187,059 km (0.057 R)
• M5: 1,543,401 km (0.087 R)
• M6: 1,910,365 km (0.115 R)
• M7: 2,323,853 km (0.118 R)
• M8: 2,691,864 km (0.112 R)
• M9: 3,919,165 km (0.092 R)
• M10: 4,781,148 km (0.063 R)
• M11: 5,506,847 km (0.075 R)
• M12: 6,030,440 km (0.087 R)
• M13: 6,468,014 km (0.11 R)
• M14: 7,485,129 km (0.06 R)
• M15: 8,294,454 km (0.064 R)
• M16: 8,605,468 km (0.082 R)
• M17: 10,086,786 km (0.12 R)
• M18: 10,904,787 km (0.076 R)
• M19: 11,625,699 km (0.089 R)
• M20: 11,944,193 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.8

Radius: 10.6

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.18 AU - 3.2 AU

Year: 3045 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,549,764 km

• M1: 131,796 km (0.12 R)
• M2: 723,754 km (0.09 R)
• M3: 1,287,738 km (0.095 R)
• M4: 1,640,041 km (0.115 R)
• M5: 4,613,150 km (0.082 R)
• M6: 5,559,805 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.7

Radius: 11.5

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.09 AU - 3.39 AU

Year: 3131 Days

Day: 6.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,549,764 km

• M1: 143,016 km (0.106 R)
• M2: 539,001 km (0.085 R)
• M3: 956,080 km (0.112 R)
• M4: 1,429,108 km (0.119 R)
• M5: 2,189,814 km (0.066 R)
• M6: 2,961,888 km (0.117 R)
• M7: 3,846,311 km (0.059 R)
• M8: 5,239,665 km (0.113 R)
• M9: 5,674,846 km (0.1 R)
• M10: 6,273,836 km (0.083 R)
• M11: 7,158,258 km (0.104 R)
• M12: 8,850,060 km (0.093 R)
• M13: 10,631,921 km (0.115 R)
• M14: 11,586,205 km (0.087 R)
• M15: 12,732,724 km (0.097 R)
• M16: 14,294,825 km (0.047 R)
• M17: 14,692,007 km (0.093 R)
• M18: 16,034,199 km (0.106 R)
• M19: 17,512,824 km (0.103 R)
• M20: 19,990,763 km (0.12 R)
• M21: 21,377,985 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.7

Radius: 10.7

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.15 AU - 3.77 AU

Year: 4442 Days

Day: 12.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 20,549,764 km

• M1: 133,591 km (0.086 R)
• M2: 648,058 km (0.109 R)
• M3: 1,304,493 km (0.105 R)
• M4: 1,918,892 km (0.109 R)
• M5: 2,396,857 km (0.073 R)
• M6: 2,788,504 km (0.03 R)
• M7: 3,183,443 km (0.064 R)
• M8: 4,086,864 km (0.102 R)
• M9: 4,675,382 km (0.09 R)
• M10: 5,575,961 km (0.088 R)
• M11: 6,427,473 km (0.105 R)
• M12: 7,019,282 km (0.066 R)
• M13: 8,011,714 km (0.098 R)
• M14: 10,142,885 km (0.094 R)
• M15: 10,991,554 km (0.079 R)
• M16: 13,137,984 km (0.095 R)
• M17: 14,752,893 km (0.052 R)
• M18: 16,496,157 km (0.065 R)
• M19: 18,962,577 km (0.118 R)
• M20: 20,387,796 km (0.045 R)
• M21: 23,070,684 km (0.079 R)
• M22: 24,457,307 km (0.068 R)
• M23: 29,392,391 km (0.086 R)
• M24: 30,380,485 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.6

Radius: 11.6

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.72 AU - 4.54 AU

Year: 4774 Days

Day: 11.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,549,764 km

• M1: 144,661 km (0.034 R)
• M2: 578,345 km (0.054 R)
• M3: 1,667,717 km (0.08 R)
• M4: 2,250,251 km (0.09 R)
• M5: 3,019,184 km (0.118 R)
• M6: 4,021,191 km (0.108 R)
• M7: 4,408,649 km (0.101 R)
• M8: 5,612,164 km (0.054 R)
• M9: 8,363,419 km (0.062 R)
• M10: 9,745,553 km (0.084 R)
• M11: 10,834,775 km (0.04 R)
• M12: 11,498,990 km (0.12 R)
• M13: 12,284,528 km (0.083 R)
• M14: 17,889,661 km (0.104 R)
• M15: 19,778,185 km (0.099 R)
• M16: 20,703,597 km (0.12 R)
• M17: 22,998,877 km (0.056 R)
• M18: 23,947,926 km (0.044 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.6

Radius: 10.2

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.29 AU - 5.01 AU

Year: 6921 Days

Day: 12.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 20,549,764 km

• M1: 127,009 km (0.039 R)
• M2: 518,805 km (0.118 R)
• M3: 839,992 km (0.11 R)
• M4: 1,485,956 km (0.118 R)
• M5: 2,001,171 km (0.111 R)
• M6: 3,015,444 km (0.059 R)
• M7: 3,823,123 km (0.094 R)
• M8: 4,316,497 km (0.083 R)
• M9: 4,741,355 km (0.096 R)
• M10: 5,341,242 km (0.061 R)
• M11: 5,800,209 km (0.079 R)
• M12: 6,589,188 km (0.092 R)
• M13: 8,420,565 km (0.098 R)
• M14: 9,171,546 km (0.105 R)
• M15: 9,563,493 km (0.118 R)
• M16: 11,097,320 km (0.12 R)
• M17: 11,795,194 km (0.113 R)
• M18: 12,154,977 km (0.102 R)
• M19: 13,444,660 km (0.115 R)
• M20: 14,295,722 km (0.059 R)
• M21: 15,793,346 km (0.116 R)
• M22: 16,676,273 km (0.104 R)
• M23: 17,261,051 km (0.074 R)
• M24: 17,658,533 km (0.082 R)
• M25: 17,994,380 km (0.057 R)
• M26: 18,471,747 km (0.056 R)
• M27: 19,238,885 km (0.074 R)
• M28: 22,996,185 km (0.051 R)
• M29: 28,484,482 km (0.11 R)
• M30: 30,076,951 km (0.093 R)
• M31: 31,727,913 km (0.069 R)
• M32: 33,540,890 km (0.068 R)
• M33: 35,209,504 km (0.068 R)
• M34: 35,742,222 km (0.119 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.7

Radius: 13.1

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.35 AU - 5.41 AU

Year: 8614 Days

Day: 6.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,549,764 km

• M1: 171,140 km (0.095 R)
• M2: 629,358 km (0.087 R)
• M3: 2,104,393 km (0.089 R)
• M4: 4,629,306 km (0.085 R)
• M5: 7,396,418 km (0.051 R)
• M6: 9,237,070 km (0.106 R)
• M7: 12,230,075 km (0.101 R)
• M8: 14,435,895 km (0.089 R)
• M9: 21,392,346 km (0.104 R)
• M10: 24,742,740 km (0.117 R)
• M11: 31,569,788 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.5

Radius: 4.7

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.2 AU - 6.88 AU

Year: 11545 Days

Day: 21.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,549,764 km

• M1: 73,453 km (0.102 R)
• M2: 304,581 km (0.084 R)
• M3: 537,804 km (0.106 R)
• M4: 788,231 km (0.095 R)
• M5: 1,096,403 km (0.108 R)
• M6: 1,631,514 km (0.088 R)
• M7: 2,132,069 km (0.1 R)
• M8: 3,267,217 km (0.085 R)
• M9: 4,056,496 km (0.096 R)
• M10: 4,245,588 km (0.109 R)
• M11: 4,573,656 km (0.105 R)
• M12: 4,942,115 km (0.071 R)
• M13: 6,760,777 km (0.106 R)
• M14: 16,593,994 km (0.049 R)
• M15: 18,074,714 km (0.087 R)
• M16: 18,760,321 km (0.041 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 15,080 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit