🌌 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: 109.2

Radius: 8.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.71 AU - 0.83 AU

Year: 443 Days

Day: 8.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,374,925 km

• M1: 111,301 km (0.112 R)
• M2: 426,803 km (0.113 R)
• M3: 863,778 km (0.079 R)
• M4: 1,184,666 km (0.093 R)
• M5: 1,540,708 km (0.103 R)
• M6: 1,850,825 km (0.053 R)
• M7: 2,290,343 km (0.069 R)
• M8: 3,088,448 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.8

Radius: 9.9

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.12 AU - 1.22 AU

Year: 830 Days

Day: 9.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,374,925 km

• M1: 126,111 km (0.043 R)
• M2: 760,107 km (0.069 R)
• M3: 1,315,115 km (0.114 R)
• M4: 1,820,456 km (0.092 R)
• M5: 2,299,618 km (0.101 R)
• M6: 2,610,034 km (0.105 R)
• M7: 3,089,794 km (0.093 R)
• M8: 3,715,712 km (0.034 R)
• M9: 4,194,425 km (0.105 R)
• M10: 4,944,359 km (0.117 R)
• M11: 5,983,915 km (0.094 R)
• M12: 6,820,915 km (0.099 R)
• M13: 8,258,550 km (0.046 R)
• M14: 9,157,783 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.4

Radius: 13.4

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.1 AU - 1.28 AU

Year: 852 Days

Day: 12.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,374,925 km

• M1: 166,652 km (0.068 R)
• M2: 692,489 km (0.05 R)
• M3: 1,289,234 km (0.111 R)
• M4: 2,068,191 km (0.107 R)
• M5: 2,496,489 km (0.084 R)
• M6: 3,010,657 km (0.086 R)
• M7: 3,435,216 km (0.099 R)
• M8: 4,091,203 km (0.074 R)
• M9: 5,554,719 km (0.086 R)
• M10: 6,049,139 km (0.092 R)
• M11: 6,892,572 km (0.075 R)
• M12: 8,896,286 km (0.107 R)
• M13: 9,488,694 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.9

Radius: 12.2

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.15 AU - 2.41 AU

Year: 2258 Days

Day: 14.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,374,925 km

• M1: 151,842 km (0.101 R)
• M2: 535,860 km (0.102 R)
• M3: 937,530 km (0.039 R)
• M4: 1,773,632 km (0.031 R)
• M5: 2,436,650 km (0.104 R)
• M6: 3,225,180 km (0.075 R)
• M7: 3,707,634 km (0.066 R)
• M8: 4,819,295 km (0.083 R)
• M9: 6,114,663 km (0.078 R)
• M10: 7,356,475 km (0.077 R)
• M11: 7,942,001 km (0.106 R)
• M12: 8,360,427 km (0.111 R)
• M13: 8,861,430 km (0.093 R)
• M14: 9,241,558 km (0.069 R)
• M15: 9,997,775 km (0.118 R)
• M16: 10,951,163 km (0.105 R)
• M17: 13,127,512 km (0.119 R)
• M18: 14,129,818 km (0.097 R)
• M19: 15,628,041 km (0.067 R)
• M20: 16,701,405 km (0.118 R)
• M21: 18,711,402 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.7

Radius: 9.2

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.19 AU - 3.15 AU

Year: 2862 Days

Day: 14 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,374,925 km

• M1: 114,891 km (0.067 R)
• M2: 664,514 km (0.03 R)
• M3: 1,095,056 km (0.083 R)
• M4: 1,694,645 km (0.065 R)
• M5: 1,990,250 km (0.07 R)
• M6: 3,219,047 km (0.086 R)
• M7: 3,697,461 km (0.102 R)
• M8: 5,343,935 km (0.107 R)
• M9: 6,622,997 km (0.085 R)
• M10: 11,113,626 km (0.053 R)
• M11: 12,710,134 km (0.083 R)
• M12: 13,179,572 km (0.087 R)
• M13: 13,466,651 km (0.099 R)
• M14: 15,809,054 km (0.114 R)
• M15: 16,907,402 km (0.11 R)
• M16: 19,440,094 km (0.06 R)
• M17: 20,635,829 km (0.061 R)
• M18: 21,946,756 km (0.069 R)
• M19: 22,622,639 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.4

Radius: 14.8

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.86 AU - 4.16 AU

Year: 4314 Days

Day: 7.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,374,925 km

• M1: 184,155 km (0.099 R)
• M2: 645,664 km (0.117 R)
• M3: 1,389,764 km (0.097 R)
• M4: 1,925,773 km (0.118 R)
• M5: 2,406,431 km (0.116 R)
• M6: 3,251,959 km (0.09 R)
• M7: 4,078,936 km (0.085 R)
• M8: 4,636,337 km (0.106 R)
• M9: 5,183,267 km (0.115 R)
• M10: 6,408,025 km (0.033 R)
• M11: 7,064,011 km (0.069 R)
• M12: 7,552,149 km (0.105 R)
• M13: 8,035,500 km (0.062 R)
• M14: 8,596,791 km (0.063 R)
• M15: 9,154,193 km (0.113 R)
• M16: 10,244,313 km (0.092 R)
• M17: 11,177,654 km (0.033 R)
• M18: 11,665,044 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.9

Radius: 8.3

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.82 AU - 4.08 AU

Year: 5150 Days

Day: 9.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,374,925 km

• M1: 103,223 km (0.099 R)
• M2: 453,132 km (0.082 R)
• M3: 819,198 km (0.039 R)
• M4: 1,117,047 km (0.083 R)
• M5: 1,682,378 km (0.08 R)
• M6: 2,387,283 km (0.082 R)
• M7: 3,116,572 km (0.062 R)
• M8: 3,986,634 km (0.092 R)
• M9: 4,369,006 km (0.101 R)
• M10: 5,140,931 km (0.096 R)
• M11: 5,903,581 km (0.068 R)
• M12: 6,249,002 km (0.052 R)
• M13: 6,555,827 km (0.079 R)
• M14: 8,153,084 km (0.11 R)
• M15: 10,238,029 km (0.099 R)
• M16: 12,534,207 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.5

Radius: 9.5

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 5.37 AU - 5.75 AU

Year: 8600 Days

Day: 9.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,374,925 km

• M1: 126,709 km (0.086 R)
• M2: 423,960 km (0.072 R)
• M3: 897,587 km (0.077 R)
• M4: 1,658,442 km (0.073 R)
• M5: 2,034,531 km (0.099 R)
• M6: 2,341,955 km (0.056 R)
• M7: 2,714,603 km (0.118 R)
• M8: 3,033,546 km (0.044 R)
• M9: 3,684,446 km (0.079 R)
• M10: 4,473,425 km (0.113 R)
• M11: 5,676,790 km (0.107 R)
• M12: 7,451,769 km (0.107 R)
• M13: 8,410,392 km (0.101 R)
• M14: 9,369,165 km (0.075 R)
• M15: 9,895,750 km (0.107 R)
• M16: 11,411,924 km (0.102 R)
• M17: 12,106,956 km (0.119 R)
• M18: 12,489,029 km (0.113 R)
• M19: 13,277,409 km (0.082 R)
• M20: 14,098,552 km (0.093 R)
• M21: 15,672,771 km (0.091 R)
• M22: 16,184,246 km (0.115 R)
• M23: 22,282,902 km (0.087 R)
• M24: 24,261,334 km (0.056 R)
• M25: 24,640,116 km (0.106 R)
• M26: 25,957,624 km (0.082 R)
• M27: 27,239,977 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321.7

Radius: 7

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.84 AU - 9.2 AU

Year: 14899 Days

Day: 15.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,374,925 km

• M1: 87,066 km (0.066 R)
• M2: 441,314 km (0.058 R)
• M3: 757,713 km (0.1 R)
• M4: 1,210,097 km (0.103 R)
• M5: 1,504,655 km (0.113 R)
• M6: 2,239,331 km (0.039 R)
• M7: 2,770,253 km (0.063 R)
• M8: 4,276,554 km (0.086 R)
• M9: 5,028,284 km (0.066 R)
• M10: 6,791,444 km (0.075 R)
• M11: 9,166,909 km (0.105 R)
• M12: 10,619,055 km (0.113 R)
• M13: 15,409,628 km (0.044 R)
• M14: 17,598,843 km (0.032 R)
• M15: 18,883,290 km (0.104 R)
• M16: 20,229,222 km (0.063 R)
• M17: 20,554,897 km (0.06 R)
• M18: 21,050,066 km (0.11 R)
• M19: 21,722,658 km (0.066 R)
• M20: 24,372,784 km (0.063 R)
• M21: 26,062,193 km (0.111 R)
• M22: 28,740,444 km (0.089 R)
• M23: 29,359,480 km (0.094 R)
• M24: 31,487,659 km (0.057 R)
• M25: 32,924,696 km (0.109 R)
• M26: 33,262,488 km (0.049 R)
• M27: 33,602,524 km (0.095 R)
• M28: 34,059,546 km (0.11 R)
• M29: 38,735,227 km (0.067 R)
• M30: 41,290,957 km (0.064 R)
• M31: 42,743,552 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.3

Radius: 4.4

Gravity: 31.37 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.93 AU - 9.93 AU

Year: 20527 Days

Day: 16.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,374,925 km

• M1: 54,753 km (0.039 R)
• M2: 305,479 km (0.063 R)
• M3: 1,376,151 km (0.103 R)
• M4: 1,757,177 km (0.037 R)
• M5: 2,467,318 km (0.078 R)
• M6: 3,758,497 km (0.064 R)
• M7: 6,088,185 km (0.066 R)
• M8: 6,559,867 km (0.112 R)
• M9: 6,872,377 km (0.082 R)
• M10: 9,855,508 km (0.115 R)
• M11: 12,019,441 km (0.077 R)
• M12: 14,706,069 km (0.087 R)
• M13: 15,396,314 km (0.089 R)
• M14: 15,789,008 km (0.07 R)
• M15: 18,461,873 km (0.099 R)
• M16: 25,112,097 km (0.034 R)
• M17: 34,515,819 km (0.047 R)
• M18: 36,558,578 km (0.074 R)
• M19: 51,744,856 km (0.096 R)
• M20: 59,834,660 km (0.115 R)
• M21: 65,398,355 km (0.112 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: 174 - 15,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit