🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.8

Radius: 9.4

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.74 AU - 1.02 AU

Year: 570 Days

Day: 8.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,572,603 km

• M1: 116,836 km (0.119 R)
• M2: 425,606 km (0.117 R)
• M3: 766,240 km (0.087 R)
• M4: 1,314,068 km (0.112 R)
• M5: 1,615,657 km (0.114 R)
• M6: 1,998,777 km (0.096 R)
• M7: 2,704,430 km (0.112 R)
• M8: 3,020,531 km (0.118 R)
• M9: 3,554,445 km (0.12 R)
• M10: 4,342,677 km (0.072 R)
• M11: 5,023,796 km (0.108 R)
• M12: 5,451,496 km (0.03 R)
• M13: 6,034,180 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.6

Radius: 11.3

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.84 AU - 1 AU

Year: 609 Days

Day: 6.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,572,603 km

• M1: 140,472 km (0.07 R)
• M2: 552,465 km (0.114 R)
• M3: 908,807 km (0.032 R)
• M4: 1,434,793 km (0.098 R)
• M5: 2,236,787 km (0.07 R)
• M6: 2,671,070 km (0.112 R)
• M7: 3,316,286 km (0.105 R)
• M8: 3,669,337 km (0.058 R)
• M9: 4,153,884 km (0.113 R)
• M10: 4,866,269 km (0.064 R)
• M11: 5,677,389 km (0.081 R)
• M12: 6,185,722 km (0.107 R)
• M13: 7,071,192 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.9

Radius: 12.8

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.48 AU - 1.6 AU

Year: 1319 Days

Day: 11.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,572,603 km

• M1: 159,920 km (0.107 R)
• M2: 581,786 km (0.107 R)
• M3: 1,047,933 km (0.065 R)
• M4: 1,500,915 km (0.093 R)
• M5: 2,305,602 km (0.099 R)
• M6: 2,725,374 km (0.104 R)
• M7: 3,196,458 km (0.054 R)
• M8: 3,655,274 km (0.114 R)
• M9: 5,092,611 km (0.108 R)
• M10: 6,330,234 km (0.082 R)
• M11: 7,842,818 km (0.098 R)
• M12: 8,416,825 km (0.098 R)
• M13: 9,111,258 km (0.032 R)
• M14: 10,409,917 km (0.047 R)
• M15: 12,202,399 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556

Radius: 7.6

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.52 AU - 6.86 AU

Year: 10630 Days

Day: 18.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,572,603 km

• M1: 102,175 km (0.108 R)
• M2: 379,380 km (0.074 R)
• M3: 667,356 km (0.107 R)
• M4: 1,216,380 km (0.108 R)
• M5: 1,589,178 km (0.082 R)
• M6: 2,003,115 km (0.098 R)
• M7: 3,562,673 km (0.104 R)
• M8: 4,135,184 km (0.067 R)
• M9: 5,044,291 km (0.092 R)
• M10: 8,838,541 km (0.107 R)
• M11: 9,640,087 km (0.103 R)
• M12: 10,853,026 km (0.114 R)
• M13: 12,624,265 km (0.082 R)
• M14: 13,335,603 km (0.099 R)
• M15: 14,135,952 km (0.092 R)
• M16: 14,968,015 km (0.094 R)
• M17: 15,362,804 km (0.096 R)
• M18: 16,519,345 km (0.089 R)
• M19: 17,012,120 km (0.114 R)
• M20: 17,514,620 km (0.093 R)
• M21: 18,928,319 km (0.053 R)
• M22: 23,359,708 km (0.095 R)
• M23: 23,624,346 km (0.097 R)
• M24: 29,760,103 km (0.113 R)
• M25: 35,933,259 km (0.05 R)
• M26: 37,479,203 km (0.104 R)
• M27: 38,944,963 km (0.053 R)
• M28: 45,055,139 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.8

Radius: 4.8

Gravity: 16.88 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.36 AU - 7.64 AU

Year: 12784 Days

Day: 19.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 76,572,603 km

• M1: 59,690 km (0.09 R)
• M2: 254,466 km (0.112 R)
• M3: 422,165 km (0.118 R)
• M4: 824,733 km (0.103 R)
• M5: 1,095,655 km (0.06 R)
• M6: 1,371,364 km (0.09 R)
• M7: 1,546,842 km (0.11 R)
• M8: 3,396,620 km (0.085 R)
• M9: 4,063,826 km (0.051 R)
• M10: 6,931,917 km (0.104 R)
• M11: 7,208,822 km (0.081 R)
• M12: 8,751,326 km (0.101 R)
• M13: 11,132,774 km (0.107 R)
• M14: 11,678,208 km (0.079 R)
• M15: 12,241,145 km (0.096 R)
• M16: 15,800,378 km (0.114 R)
• M17: 17,125,067 km (0.091 R)
• M18: 17,558,302 km (0.089 R)
• M19: 20,232,214 km (0.082 R)
• M20: 22,215,134 km (0.068 R)
• M21: 23,963,485 km (0.107 R)
• M22: 25,519,901 km (0.079 R)
• M23: 26,275,220 km (0.11 R)
• M24: 26,948,112 km (0.097 R)
• M25: 28,630,340 km (0.091 R)
• M26: 29,651,794 km (0.102 R)
• M27: 30,591,717 km (0.055 R)
• M28: 31,443,677 km (0.117 R)
• M29: 33,530,418 km (0.067 R)
• M30: 34,779,710 km (0.12 R)
• M31: 35,357,756 km (0.09 R)
• M32: 35,942,235 km (0.071 R)
• M33: 38,713,535 km (0.088 R)
• M34: 40,214,451 km (0.111 R)
• M35: 40,468,318 km (0.104 R)
• M36: 41,107,700 km (0.114 R)
• M37: 41,494,560 km (0.076 R)
• M38: 44,001,072 km (0.041 R)
• M39: 46,188,642 km (0.085 R)
• M40: 46,746,642 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.9

Radius: 6.4

Gravity: 15.79 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.12 AU - 8.74 AU

Year: 15414 Days

Day: 15.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 76,572,603 km

• M1: 79,586 km (0.084 R)
• M2: 304,132 km (0.089 R)
• M3: 537,206 km (0.071 R)
• M4: 1,047,185 km (0.072 R)
• M5: 3,573,145 km (0.094 R)
• M6: 3,797,243 km (0.108 R)
• M7: 5,202,864 km (0.117 R)
• M8: 6,967,521 km (0.049 R)
• M9: 7,635,027 km (0.093 R)
• M10: 9,096,747 km (0.115 R)
• M11: 12,626,808 km (0.109 R)
• M12: 13,549,378 km (0.044 R)
• M13: 15,454,058 km (0.105 R)
• M14: 16,051,104 km (0.111 R)
• M15: 17,772,077 km (0.075 R)
• M16: 18,593,669 km (0.119 R)
• M17: 19,960,245 km (0.112 R)
• M18: 23,374,667 km (0.106 R)
• M19: 24,260,436 km (0.098 R)
• M20: 24,661,209 km (0.111 R)
• M21: 26,098,845 km (0.116 R)
• M22: 31,451,456 km (0.1 R)
• M23: 34,007,037 km (0.094 R)
• M24: 34,888,767 km (0.087 R)
• M25: 37,093,390 km (0.065 R)
• M26: 38,432,740 km (0.062 R)
• M27: 39,665,427 km (0.032 R)
• M28: 43,816,618 km (0.059 R)
• M29: 48,406,281 km (0.062 R)
• M30: 50,004,584 km (0.047 R)
• M31: 50,328,314 km (0.08 R)
• M32: 59,066,625 km (0.104 R)
• M33: 60,339,703 km (0.081 R)
• M34: 61,075,275 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.5

Radius: 4.6

Gravity: 29.51 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.88 AU - 11.18 AU

Year: 20307 Days

Day: 17 Hours

Environment

Temp: -233 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,572,603 km

• M1: 57,296 km (0.11 R)
• M2: 209,736 km (0.078 R)
• M3: 436,227 km (0.102 R)
• M4: 1,206,956 km (0.065 R)
• M5: 1,781,262 km (0.103 R)
• M6: 3,168,932 km (0.117 R)
• M7: 3,619,520 km (0.113 R)
• M8: 4,143,861 km (0.102 R)
• M9: 4,752,575 km (0.039 R)
• M10: 5,115,350 km (0.069 R)
• M11: 5,937,390 km (0.095 R)
• M12: 6,532,041 km (0.087 R)
• M13: 7,545,268 km (0.118 R)
• M14: 9,366,622 km (0.11 R)
• M15: 11,270,853 km (0.103 R)
• M16: 17,380,879 km (0.105 R)
• M17: 19,126,537 km (0.096 R)
• M18: 19,764,123 km (0.041 R)
• M19: 20,228,175 km (0.075 R)
• M20: 21,663,866 km (0.05 R)
• M21: 23,371,526 km (0.078 R)
• M22: 24,100,067 km (0.088 R)
• M23: 29,148,696 km (0.08 R)
• M24: 38,188,746 km (0.092 R)
• M25: 41,724,492 km (0.066 R)
• M26: 42,795,463 km (0.087 R)
• M27: 47,427,911 km (0.06 R)
• M28: 48,594,026 km (0.094 R)
• M29: 50,293,009 km (0.101 R)
• M30: 51,855,559 km (0.113 R)
• M31: 54,712,728 km (0.055 R)
• M32: 58,429,488 km (0.11 R)
• M33: 59,001,251 km (0.044 R)
• M34: 67,400,423 km (0.069 R)
• M35: 71,665,907 km (0.082 R)
• M36: 72,320,847 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.8

Radius: 3.1

Gravity: 62.1 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.52 AU - 11.36 AU

Year: 21632 Days

Day: 19.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 76,572,603 km

• M1: 45,029 km (0.111 R)
• M2: 239,656 km (0.11 R)
• M3: 382,372 km (0.092 R)
• M4: 515,365 km (0.066 R)
• M5: 650,751 km (0.072 R)
• M6: 1,665,174 km (0.087 R)
• M7: 1,963,622 km (0.108 R)
• M8: 2,296,627 km (0.085 R)
• M9: 2,476,593 km (0.084 R)
• M10: 2,714,603 km (0.034 R)
• M11: 4,684,059 km (0.098 R)
• M12: 5,352,013 km (0.095 R)
• M13: 5,749,345 km (0.049 R)
• M14: 6,425,528 km (0.052 R)
• M15: 8,932,938 km (0.11 R)
• M16: 9,662,826 km (0.081 R)
• M17: 13,696,283 km (0.087 R)
• M18: 15,439,547 km (0.106 R)
• M19: 19,914,020 km (0.114 R)
• M20: 21,349,112 km (0.106 R)
• M21: 23,786,211 km (0.118 R)
• M22: 24,745,881 km (0.06 R)
• M23: 30,801,154 km (0.098 R)
• M24: 33,767,979 km (0.092 R)
• M25: 34,034,563 km (0.102 R)
• M26: 34,302,642 km (0.115 R)
• M27: 35,526,203 km (0.1 R)
• M28: 37,486,982 km (0.059 R)
• M29: 37,916,328 km (0.038 R)
• M30: 42,237,014 km (0.063 R)
• M31: 43,484,211 km (0.113 R)
• M32: 47,040,003 km (0.116 R)
• M33: 48,888,435 km (0.058 R)
• M34: 50,610,456 km (0.107 R)
• M35: 52,016,825 km (0.116 R)
• M36: 59,634,648 km (0.078 R)
• M37: 61,599,317 km (0.111 R)
• M38: 62,196,960 km (0.075 R)
• M39: 66,072,293 km (0.045 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: 150 - 13,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit