🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.7

Radius: 12.2

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.57 AU - 0.63 AU

Year: 327 Days

Day: 9.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 60,136,628 km

• M1: 151,692 km (0.103 R)
• M2: 626,366 km (0.073 R)
• M3: 1,034,170 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.7

Radius: 8.9

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.79 AU - 0.93 AU

Year: 561 Days

Day: 9.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,136,628 km

• M1: 111,600 km (0.056 R)
• M2: 531,970 km (0.073 R)
• M3: 893,249 km (0.074 R)
• M4: 1,272,330 km (0.096 R)
• M5: 2,302,012 km (0.079 R)
• M6: 2,756,640 km (0.092 R)
• M7: 3,259,139 km (0.117 R)
• M8: 3,858,129 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.5

Radius: 9.3

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.29 AU - 2.72 AU

Year: 2779 Days

Day: 11.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,136,628 km

• M1: 115,789 km (0.114 R)
• M2: 455,825 km (0.081 R)
• M3: 841,787 km (0.095 R)
• M4: 1,167,611 km (0.06 R)
• M5: 1,604,736 km (0.042 R)
• M6: 3,792,156 km (0.1 R)
• M7: 5,732,441 km (0.116 R)
• M8: 7,832,047 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611

Radius: 9.3

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.4 AU - 3.2 AU

Year: 3293 Days

Day: 8 Hours

Environment

Temp: -207 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,136,628 km

• M1: 115,639 km (0.111 R)
• M2: 527,632 km (0.08 R)
• M3: 895,194 km (0.092 R)
• M4: 1,307,336 km (0.11 R)
• M5: 1,980,227 km (0.102 R)
• M6: 3,019,184 km (0.062 R)
• M7: 3,581,523 km (0.05 R)
• M8: 3,898,221 km (0.098 R)
• M9: 4,611,205 km (0.11 R)
• M10: 4,914,888 km (0.091 R)
• M11: 5,459,574 km (0.086 R)
• M12: 6,552,686 km (0.061 R)
• M13: 6,847,543 km (0.085 R)
• M14: 7,559,330 km (0.048 R)
• M15: 10,583,152 km (0.092 R)
• M16: 11,576,930 km (0.09 R)
• M17: 12,586,267 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.8

Radius: 11.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.98 AU - 3.46 AU

Year: 4062 Days

Day: 8.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,136,628 km

• M1: 145,559 km (0.105 R)
• M2: 975,827 km (0.033 R)
• M3: 1,409,810 km (0.091 R)
• M4: 2,081,355 km (0.057 R)
• M5: 2,554,832 km (0.099 R)
• M6: 3,889,245 km (0.089 R)
• M7: 4,734,324 km (0.059 R)
• M8: 5,781,659 km (0.075 R)
• M9: 6,153,409 km (0.059 R)
• M10: 6,663,837 km (0.098 R)
• M11: 9,146,264 km (0.098 R)
• M12: 10,095,762 km (0.115 R)
• M13: 10,764,464 km (0.116 R)
• M14: 13,192,438 km (0.073 R)
• M15: 13,738,769 km (0.097 R)
• M16: 15,798,283 km (0.116 R)
• M17: 17,222,156 km (0.072 R)
• M18: 17,755,173 km (0.107 R)
• M19: 18,606,086 km (0.118 R)
• M20: 19,739,888 km (0.115 R)
• M21: 22,353,662 km (0.087 R)
• M22: 25,723,503 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.7

Radius: 10.9

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.96 AU - 3.84 AU

Year: 4407 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,136,628 km

• M1: 135,685 km (0.113 R)
• M2: 665,112 km (0.117 R)
• M3: 1,238,072 km (0.051 R)
• M4: 2,196,845 km (0.1 R)
• M5: 3,488,323 km (0.095 R)
• M6: 4,250,674 km (0.103 R)
• M7: 5,258,216 km (0.031 R)
• M8: 6,260,372 km (0.119 R)
• M9: 6,675,655 km (0.117 R)
• M10: 7,922,703 km (0.057 R)
• M11: 11,474,456 km (0.082 R)
• M12: 11,903,802 km (0.102 R)
• M13: 12,492,918 km (0.105 R)
• M14: 14,933,159 km (0.076 R)
• M15: 15,445,382 km (0.049 R)
• M16: 20,042,973 km (0.112 R)
• M17: 20,596,485 km (0.092 R)
• M18: 21,662,071 km (0.073 R)
• M19: 24,840,726 km (0.064 R)
• M20: 26,790,286 km (0.055 R)
• M21: 28,927,291 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.5

Radius: 8.3

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.76 AU - 4.58 AU

Year: 5986 Days

Day: 14.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,136,628 km

• M1: 103,372 km (0.059 R)
• M2: 639,980 km (0.056 R)
• M3: 1,088,773 km (0.045 R)
• M4: 1,550,582 km (0.111 R)
• M5: 2,251,897 km (0.105 R)
• M6: 3,005,421 km (0.069 R)
• M7: 3,276,642 km (0.118 R)
• M8: 3,868,751 km (0.038 R)
• M9: 5,118,192 km (0.09 R)
• M10: 5,506,847 km (0.034 R)
• M11: 5,819,058 km (0.028 R)
• M12: 6,513,491 km (0.11 R)
• M13: 7,753,358 km (0.116 R)
• M14: 8,429,242 km (0.095 R)
• M15: 9,582,492 km (0.075 R)
• M16: 10,360,550 km (0.113 R)
• M17: 13,389,608 km (0.095 R)
• M18: 13,841,244 km (0.056 R)
• M19: 16,963,052 km (0.106 R)
• M20: 17,963,712 km (0.07 R)
• M21: 19,144,788 km (0.1 R)
• M22: 20,599,477 km (0.115 R)
• M23: 21,970,542 km (0.109 R)
• M24: 22,599,002 km (0.08 R)
• M25: 23,239,431 km (0.079 R)
• M26: 24,139,711 km (0.115 R)
• M27: 24,978,057 km (0.115 R)
• M28: 26,184,265 km (0.1 R)
• M29: 30,324,386 km (0.094 R)
• M30: 31,103,342 km (0.055 R)
• M31: 31,398,947 km (0.102 R)
• M32: 32,296,834 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.9

Radius: 5.5

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.38 AU - 7.14 AU

Year: 11010 Days

Day: 21.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,136,628 km

• M1: 68,516 km (0.088 R)
• M2: 262,694 km (0.116 R)
• M3: 464,352 km (0.042 R)
• M4: 832,961 km (0.106 R)
• M5: 1,069,326 km (0.074 R)
• M6: 1,955,992 km (0.027 R)
• M7: 2,152,863 km (0.077 R)
• M8: 2,727,917 km (0.033 R)
• M9: 3,235,952 km (0.091 R)
• M10: 3,967,186 km (0.079 R)
• M11: 4,572,758 km (0.099 R)
• M12: 6,212,949 km (0.11 R)
• M13: 7,747,823 km (0.052 R)
• M14: 10,126,130 km (0.109 R)
• M15: 12,102,318 km (0.072 R)
• M16: 13,088,467 km (0.059 R)
• M17: 15,067,348 km (0.107 R)
• M18: 15,786,315 km (0.105 R)
• M19: 18,657,697 km (0.042 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.3

Radius: 6.2

Gravity: 21.34 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 8.16 AU - 10.6 AU

Year: 20194 Days

Day: 17 Hours

Environment

Temp: -229 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,136,628 km

• M1: 77,342 km (0.106 R)
• M2: 416,181 km (0.111 R)
• M3: 625,618 km (0.062 R)
• M4: 1,078,601 km (0.057 R)
• M5: 1,538,315 km (0.092 R)
• M6: 1,918,443 km (0.091 R)
• M7: 2,616,467 km (0.083 R)
• M8: 3,214,260 km (0.077 R)
• M9: 4,060,385 km (0.043 R)
• M10: 4,786,085 km (0.048 R)
• M11: 6,139,347 km (0.03 R)
• M12: 6,357,910 km (0.1 R)
• M13: 7,431,274 km (0.105 R)
• M14: 9,752,884 km (0.084 R)
• M15: 11,968,278 km (0.1 R)
• M16: 12,240,995 km (0.113 R)
• M17: 14,116,803 km (0.067 R)
• M18: 18,247,200 km (0.073 R)
• M19: 19,439,795 km (0.117 R)
• M20: 23,012,341 km (0.082 R)
• M21: 24,185,488 km (0.119 R)
• M22: 24,512,210 km (0.073 R)
• M23: 24,952,476 km (0.037 R)
• M24: 25,286,229 km (0.107 R)
• M25: 26,304,990 km (0.107 R)
• M26: 31,165,724 km (0.056 R)
• M27: 35,460,380 km (0.041 R)
• M28: 35,741,175 km (0.112 R)
• M29: 39,227,703 km (0.119 R)
• M30: 44,382,547 km (0.093 R)
• M31: 45,365,853 km (0.104 R)
• M32: 51,752,785 km (0.084 R)
• M33: 52,841,857 km (0.067 R)
• M34: 57,351,485 km (0.071 R)
• M35: 69,953,760 km (0.049 R)
• M36: 73,085,441 km (0.105 R)
• M37: 79,147,147 km (0.108 R)
• M38: 81,077,558 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.3

Radius: 4.4

Gravity: 14.53 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.29 AU - 10.53 AU

Year: 21929 Days

Day: 16 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,136,628 km

• M1: 339,587 km (0.076 R)
• M2: 864,676 km (0.066 R)
• M3: 1,520,064 km (0.111 R)
• M4: 2,194,302 km (0.047 R)
• M5: 2,675,109 km (0.112 R)
• M6: 5,000,159 km (0.072 R)
• M7: 6,534,585 km (0.109 R)
• M8: 8,357,285 km (0.079 R)
• M9: 10,160,239 km (0.062 R)
• M10: 18,697,490 km (0.114 R)
• M11: 21,649,654 km (0.067 R)
• M12: 23,045,552 km (0.114 R)
• M13: 39,482,618 km (0.116 R)
• M14: 41,138,666 km (0.118 R)
• M15: 49,957,760 km (0.119 R)
• M16: 52,879,855 km (0.045 R)
• M17: 58,352,145 km (0.093 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 13,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit