🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.2

Radius: 9.9

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.78 AU - 1.06 AU

Year: 620 Days

Day: 14.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,926,579 km

• M1: 123,717 km (0.093 R)
• M2: 517,459 km (0.093 R)
• M3: 835,654 km (0.111 R)
• M4: 1,225,057 km (0.102 R)
• M5: 1,697,637 km (0.112 R)
• M6: 2,023,760 km (0.12 R)
• M7: 2,598,066 km (0.117 R)
• M8: 3,698,359 km (0.098 R)
• M9: 4,168,844 km (0.063 R)
• M10: 4,648,604 km (0.109 R)
• M11: 5,753,833 km (0.115 R)
• M12: 6,201,430 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.3

Radius: 10.3

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.06 AU - 1.34 AU

Year: 924 Days

Day: 8.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,926,579 km

• M1: 128,205 km (0.097 R)
• M2: 450,439 km (0.108 R)
• M3: 865,424 km (0.069 R)
• M4: 1,620,444 km (0.088 R)
• M5: 1,955,394 km (0.116 R)
• M6: 2,919,253 km (0.1 R)
• M7: 3,378,369 km (0.118 R)
• M8: 4,043,780 km (0.095 R)
• M9: 4,476,567 km (0.086 R)
• M10: 5,634,903 km (0.111 R)
• M11: 6,154,756 km (0.12 R)
• M12: 6,571,086 km (0.05 R)
• M13: 7,290,503 km (0.113 R)
• M14: 7,883,060 km (0.026 R)
• M15: 8,480,703 km (0.046 R)
• M16: 9,080,292 km (0.096 R)
• M17: 9,708,004 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.8

Radius: 14.1

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.84 AU - 2.4 AU

Year: 2170 Days

Day: 5.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,926,579 km

• M1: 176,525 km (0.12 R)
• M2: 662,569 km (0.112 R)
• M3: 1,153,400 km (0.108 R)
• M4: 2,372,921 km (0.073 R)
• M5: 2,831,289 km (0.064 R)
• M6: 3,286,964 km (0.107 R)
• M7: 4,145,058 km (0.075 R)
• M8: 5,628,321 km (0.073 R)
• M9: 6,405,182 km (0.052 R)
• M10: 7,441,447 km (0.068 R)
• M11: 8,086,363 km (0.111 R)
• M12: 10,624,890 km (0.076 R)
• M13: 12,266,277 km (0.05 R)
• M14: 12,888,754 km (0.104 R)
• M15: 14,071,026 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.4

Radius: 12.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.88 AU - 2.96 AU

Year: 3507 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,926,579 km

• M1: 160,369 km (0.088 R)
• M2: 1,451,847 km (0.103 R)
• M3: 1,888,823 km (0.09 R)
• M4: 2,336,719 km (0.077 R)
• M5: 2,830,841 km (0.064 R)
• M6: 3,968,682 km (0.03 R)
• M7: 4,536,555 km (0.027 R)
• M8: 5,120,137 km (0.116 R)
• M9: 7,971,771 km (0.112 R)
• M10: 8,578,540 km (0.045 R)
• M11: 10,430,263 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.1

Radius: 13.8

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.29 AU - 3.71 AU

Year: 4603 Days

Day: 5.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 101.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,926,579 km

• M1: 172,486 km (0.044 R)
• M2: 607,966 km (0.095 R)
• M3: 1,133,802 km (0.104 R)
• M4: 1,730,997 km (0.034 R)
• M5: 2,585,350 km (0.091 R)
• M6: 3,307,160 km (0.073 R)
• M7: 4,207,590 km (0.082 R)
• M8: 4,729,088 km (0.052 R)
• M9: 5,349,769 km (0.067 R)
• M10: 5,963,420 km (0.108 R)
• M11: 6,888,084 km (0.064 R)
• M12: 7,943,049 km (0.06 R)
• M13: 8,548,322 km (0.104 R)
• M14: 12,147,796 km (0.074 R)
• M15: 16,653,983 km (0.093 R)
• M16: 19,890,084 km (0.064 R)
• M17: 20,795,750 km (0.029 R)
• M18: 24,066,109 km (0.075 R)
• M19: 25,014,410 km (0.028 R)
• M20: 26,317,407 km (0.066 R)
• M21: 29,952,785 km (0.077 R)
• M22: 30,957,484 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.7

Radius: 3

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.45 AU - 6.37 AU

Year: 10099 Days

Day: 24.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,926,579 km

• M1: 91,554 km (0.069 R)
• M2: 185,501 km (0.077 R)
• M3: 588,368 km (0.026 R)
• M4: 983,008 km (0.093 R)
• M5: 1,653,356 km (0.106 R)
• M6: 3,504,330 km (0.073 R)
• M7: 5,517,169 km (0.097 R)
• M8: 6,017,425 km (0.117 R)
• M9: 6,209,209 km (0.068 R)
• M10: 12,167,543 km (0.116 R)
• M11: 14,470,901 km (0.112 R)
• M12: 19,556,930 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.7

Radius: 4.5

Gravity: 26.7 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.14 AU - 8.6 AU

Year: 15519 Days

Day: 21.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 85,926,579 km

• M1: 56,099 km (0.112 R)
• M2: 211,831 km (0.119 R)
• M3: 352,602 km (0.108 R)
• M4: 621,130 km (0.077 R)
• M5: 1,303,147 km (0.083 R)
• M6: 1,487,900 km (0.069 R)
• M7: 1,657,694 km (0.107 R)
• M8: 1,999,824 km (0.099 R)
• M9: 2,226,914 km (0.064 R)
• M10: 2,643,245 km (0.073 R)
• M11: 2,846,847 km (0.062 R)
• M12: 3,336,930 km (0.027 R)
• M13: 3,494,457 km (0.111 R)
• M14: 4,055,449 km (0.092 R)
• M15: 4,296,002 km (0.032 R)
• M16: 4,772,621 km (0.11 R)
• M17: 7,925,246 km (0.118 R)
• M18: 8,689,392 km (0.089 R)
• M19: 9,606,427 km (0.104 R)
• M20: 10,088,282 km (0.09 R)
• M21: 10,252,391 km (0.048 R)
• M22: 10,642,393 km (0.078 R)
• M23: 11,042,268 km (0.08 R)
• M24: 11,392,775 km (0.04 R)
• M25: 11,871,788 km (0.084 R)
• M26: 12,177,865 km (0.085 R)
• M27: 12,933,933 km (0.086 R)
• M28: 13,192,887 km (0.114 R)
• M29: 13,455,132 km (0.103 R)
• M30: 15,389,582 km (0.035 R)
• M31: 16,956,619 km (0.093 R)
• M32: 17,898,188 km (0.117 R)
• M33: 33,246,032 km (0.093 R)
• M34: 33,609,854 km (0.102 R)
• M35: 36,103,501 km (0.112 R)
• M36: 39,255,528 km (0.115 R)
• M37: 40,345,499 km (0.099 R)
• M38: 43,881,992 km (0.115 R)
• M39: 52,214,145 km (0.104 R)
• M40: 52,377,655 km (0.043 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.8

Radius: 3.3

Gravity: 68.3 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.24 AU - 12.24 AU

Year: 23033 Days

Day: 16.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 90.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 85,926,579 km

• M1: 40,990 km (0.089 R)
• M2: 229,782 km (0.113 R)
• M3: 533,616 km (0.056 R)
• M4: 825,182 km (0.073 R)
• M5: 1,032,375 km (0.073 R)
• M6: 2,008,351 km (0.112 R)
• M7: 2,383,244 km (0.101 R)
• M8: 2,550,494 km (0.073 R)
• M9: 3,241,038 km (0.112 R)
• M10: 3,660,660 km (0.118 R)
• M11: 4,251,871 km (0.113 R)
• M12: 4,753,772 km (0.052 R)
• M13: 6,047,344 km (0.075 R)
• M14: 6,179,589 km (0.053 R)
• M15: 8,184,649 km (0.095 R)
• M16: 9,072,213 km (0.081 R)
• M17: 9,598,798 km (0.034 R)
• M18: 9,778,764 km (0.098 R)
• M19: 10,584,648 km (0.102 R)
• M20: 14,486,759 km (0.119 R)
• M21: 16,625,559 km (0.073 R)
• M22: 22,240,267 km (0.098 R)
• M23: 23,087,290 km (0.052 R)
• M24: 23,736,395 km (0.095 R)
• M25: 29,880,230 km (0.095 R)
• M26: 30,263,799 km (0.08 R)
• M27: 30,392,453 km (0.116 R)
• M28: 33,452,029 km (0.107 R)
• M29: 41,270,313 km (0.101 R)
• M30: 41,587,011 km (0.041 R)
• M31: 41,905,356 km (0.093 R)
• M32: 42,870,262 km (0.047 R)
• M33: 44,014,386 km (0.108 R)
• M34: 46,193,130 km (0.079 R)
• M35: 49,327,056 km (0.118 R)
• M36: 57,380,657 km (0.056 R)
• M37: 61,407,682 km (0.085 R)
• M38: 66,050,601 km (0.061 R)
• M39: 66,266,920 km (0.074 R)
• M40: 69,570,340 km (0.117 R)
• M41: 71,148,747 km (0.108 R)
• M42: 72,750,941 km (0.097 R)
• M43: 73,444,925 km (0.025 R)
• M44: 75,316,993 km (0.109 R)
• M45: 79,644,859 km (0.086 R)
• M46: 83,881,770 km (0.078 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 13,503 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit