🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.1

Radius: 9.1

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.62 AU - 0.82 AU

Year: 394 Days

Day: 12.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,778,905 km

• M1: 113,246 km (0.088 R)
• M2: 450,738 km (0.119 R)
• M3: 749,635 km (0.103 R)
• M4: 1,087,128 km (0.112 R)
• M5: 1,491,042 km (0.058 R)
• M6: 1,974,841 km (0.053 R)
• M7: 2,281,667 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.2

Radius: 11.7

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.17 AU - 1.77 AU

Year: 1151 Days

Day: 14.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,778,905 km

• M1: 145,559 km (0.099 R)
• M2: 653,593 km (0.102 R)
• M3: 1,196,035 km (0.072 R)
• M4: 1,625,680 km (0.06 R)
• M5: 2,039,617 km (0.074 R)
• M6: 2,423,486 km (0.055 R)
• M7: 2,943,787 km (0.057 R)
• M8: 3,382,109 km (0.063 R)
• M9: 4,804,784 km (0.114 R)
• M10: 6,204,123 km (0.092 R)
• M11: 6,793,539 km (0.111 R)
• M12: 7,933,624 km (0.063 R)
• M13: 8,735,020 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.4

Radius: 9.9

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.83 AU - 2.01 AU

Year: 1718 Days

Day: 11.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,778,905 km

• M1: 123,269 km (0.12 R)
• M2: 616,792 km (0.045 R)
• M3: 1,383,930 km (0.106 R)
• M4: 2,217,938 km (0.095 R)
• M5: 3,102,361 km (0.092 R)
• M6: 5,411,105 km (0.044 R)
• M7: 5,719,276 km (0.056 R)
• M8: 6,416,253 km (0.061 R)
• M9: 6,808,947 km (0.079 R)
• M10: 7,541,378 km (0.107 R)
• M11: 7,874,533 km (0.113 R)
• M12: 9,307,381 km (0.118 R)
• M13: 10,333,623 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.6

Radius: 9.9

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.07 AU - 2.63 AU

Year: 2326 Days

Day: 13.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,778,905 km

• M1: 123,269 km (0.115 R)
• M2: 443,857 km (0.119 R)
• M3: 1,003,054 km (0.098 R)
• M4: 1,350,719 km (0.107 R)
• M5: 2,072,529 km (0.079 R)
• M6: 2,607,192 km (0.03 R)
• M7: 3,247,321 km (0.112 R)
• M8: 3,758,796 km (0.084 R)
• M9: 4,228,533 km (0.041 R)
• M10: 5,048,629 km (0.081 R)
• M11: 5,374,004 km (0.054 R)
• M12: 5,971,498 km (0.104 R)
• M13: 7,353,483 km (0.106 R)
• M14: 8,119,424 km (0.089 R)
• M15: 8,844,077 km (0.072 R)
• M16: 9,447,854 km (0.102 R)
• M17: 9,843,241 km (0.079 R)
• M18: 10,561,759 km (0.098 R)
• M19: 11,760,786 km (0.107 R)
• M20: 12,257,302 km (0.111 R)
• M21: 12,569,811 km (0.098 R)
• M22: 14,042,303 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.1

Radius: 11.6

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.92 AU - 3.14 AU

Year: 2598 Days

Day: 11 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,778,905 km

• M1: 144,362 km (0.042 R)
• M2: 520,002 km (0.098 R)
• M3: 892,351 km (0.114 R)
• M4: 1,362,986 km (0.057 R)
• M5: 2,306,799 km (0.106 R)
• M6: 2,676,456 km (0.085 R)
• M7: 3,038,333 km (0.076 R)
• M8: 4,013,561 km (0.038 R)
• M9: 4,470,284 km (0.098 R)
• M10: 6,310,188 km (0.062 R)
• M11: 6,985,772 km (0.082 R)
• M12: 9,102,133 km (0.1 R)
• M13: 9,788,338 km (0.08 R)
• M14: 10,619,654 km (0.113 R)
• M15: 11,419,254 km (0.119 R)
• M16: 12,505,784 km (0.061 R)
• M17: 13,010,228 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.8

Radius: 10.4

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.58 AU - 5.1 AU

Year: 5838 Days

Day: 14.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,778,905 km

• M1: 129,402 km (0.08 R)
• M2: 979,866 km (0.068 R)
• M3: 1,432,250 km (0.028 R)
• M4: 2,161,240 km (0.059 R)
• M5: 2,960,243 km (0.117 R)
• M6: 4,964,405 km (0.03 R)
• M7: 6,619,556 km (0.101 R)
• M8: 7,897,122 km (0.119 R)
• M9: 10,272,736 km (0.111 R)
• M10: 12,030,362 km (0.1 R)
• M11: 14,382,489 km (0.083 R)
• M12: 16,574,846 km (0.086 R)
• M13: 23,494,495 km (0.102 R)
• M14: 27,137,353 km (0.062 R)
• M15: 28,126,494 km (0.046 R)
• M16: 29,513,715 km (0.101 R)
• M17: 30,463,662 km (0.101 R)
• M18: 30,849,175 km (0.118 R)
• M19: 31,926,430 km (0.091 R)
• M20: 33,333,547 km (0.107 R)
• M21: 34,572,068 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.7

Radius: 10.2

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.22 AU - 5.24 AU

Year: 7723 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,778,905 km

• M1: 126,859 km (0.11 R)
• M2: 449,242 km (0.072 R)
• M3: 767,287 km (0.113 R)
• M4: 1,174,942 km (0.028 R)
• M5: 1,561,802 km (0.112 R)
• M6: 2,361,253 km (0.074 R)
• M7: 3,006,468 km (0.119 R)
• M8: 3,765,229 km (0.107 R)
• M9: 4,092,998 km (0.119 R)
• M10: 5,452,543 km (0.079 R)
• M11: 5,781,659 km (0.115 R)
• M12: 6,479,832 km (0.065 R)
• M13: 6,849,488 km (0.05 R)
• M14: 8,510,922 km (0.116 R)
• M15: 9,542,399 km (0.063 R)
• M16: 12,820,388 km (0.092 R)
• M17: 14,061,901 km (0.089 R)
• M18: 15,559,974 km (0.119 R)
• M19: 18,466,511 km (0.117 R)
• M20: 19,211,658 km (0.106 R)
• M21: 21,791,323 km (0.095 R)
• M22: 23,008,751 km (0.094 R)
• M23: 23,951,068 km (0.041 R)
• M24: 25,247,483 km (0.08 R)
• M25: 26,081,042 km (0.116 R)
• M26: 28,423,296 km (0.115 R)
• M27: 29,691,437 km (0.098 R)
• M28: 30,246,445 km (0.107 R)
• M29: 31,186,668 km (0.063 R)
• M30: 32,243,128 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580

Radius: 6.4

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.64 AU - 9.06 AU

Year: 15579 Days

Day: 18.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,778,905 km

• M1: 79,586 km (0.031 R)
• M2: 368,160 km (0.095 R)
• M3: 820,096 km (0.068 R)
• M4: 1,124,826 km (0.117 R)
• M5: 1,345,334 km (0.099 R)
• M6: 1,690,157 km (0.117 R)
• M7: 2,734,051 km (0.113 R)
• M8: 3,087,999 km (0.088 R)
• M9: 3,366,700 km (0.094 R)
• M10: 4,122,618 km (0.084 R)
• M11: 5,662,579 km (0.08 R)
• M12: 7,022,872 km (0.106 R)
• M13: 7,641,758 km (0.051 R)
• M14: 8,587,965 km (0.027 R)
• M15: 8,886,413 km (0.094 R)
• M16: 9,663,125 km (0.066 R)
• M17: 10,372,069 km (0.115 R)
• M18: 11,649,934 km (0.058 R)
• M19: 16,184,096 km (0.06 R)
• M20: 22,232,787 km (0.088 R)
• M21: 24,048,755 km (0.082 R)
• M22: 29,859,286 km (0.087 R)
• M23: 30,315,111 km (0.035 R)
• M24: 31,828,593 km (0.097 R)
• M25: 32,304,164 km (0.082 R)
• M26: 32,663,947 km (0.102 R)
• M27: 33,269,669 km (0.076 R)
• M28: 33,636,632 km (0.109 R)
• M29: 35,895,261 km (0.047 R)
• M30: 37,986,191 km (0.11 R)
• M31: 39,881,147 km (0.047 R)
• M32: 49,033,844 km (0.116 R)
• M33: 55,112,304 km (0.075 R)
• M34: 60,032,578 km (0.108 R)
• M35: 60,576,516 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.7

Radius: 4.1

Gravity: 47.51 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 7.12 AU - 9.96 AU

Year: 16114 Days

Day: 24.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 77,778,905 km

• M1: 90,656 km (0.117 R)
• M2: 257,907 km (0.041 R)
• M3: 422,315 km (0.08 R)
• M4: 613,650 km (0.047 R)
• M5: 819,348 km (0.101 R)
• M6: 1,921,884 km (0.036 R)
• M7: 2,946,180 km (0.113 R)
• M8: 3,618,025 km (0.101 R)
• M9: 3,793,503 km (0.12 R)
• M10: 4,005,184 km (0.096 R)
• M11: 4,224,793 km (0.1 R)
• M12: 4,653,990 km (0.1 R)
• M13: 5,003,450 km (0.11 R)
• M14: 6,449,763 km (0.105 R)
• M15: 7,858,675 km (0.071 R)
• M16: 8,253,015 km (0.1 R)
• M17: 8,455,122 km (0.111 R)
• M18: 9,296,760 km (0.113 R)
• M19: 9,570,823 km (0.075 R)
• M20: 11,083,557 km (0.039 R)
• M21: 11,516,642 km (0.056 R)
• M22: 12,482,297 km (0.099 R)
• M23: 13,018,904 km (0.053 R)
• M24: 14,646,828 km (0.065 R)
• M25: 15,624,600 km (0.029 R)
• M26: 19,791,499 km (0.097 R)
• M27: 20,705,243 km (0.086 R)
• M28: 23,614,772 km (0.084 R)
• M29: 28,587,405 km (0.082 R)
• M30: 30,829,877 km (0.041 R)
• M31: 31,072,525 km (0.099 R)
• M32: 32,933,373 km (0.077 R)
• M33: 35,795,031 km (0.052 R)
• M34: 36,063,110 km (0.101 R)
• M35: 38,676,884 km (0.045 R)
• M36: 43,664,626 km (0.079 R)
• M37: 44,278,127 km (0.078 R)
• M38: 46,789,876 km (0.069 R)
• M39: 47,917,993 km (0.088 R)
• M40: 51,923,476 km (0.07 R)
• M41: 54,891,947 km (0.114 R)
• M42: 55,966,059 km (0.047 R)
• M43: 56,508,352 km (0.089 R)
• M44: 56,689,814 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806

Radius: 5.7

Gravity: 24.81 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.18 AU - 11.92 AU

Year: 19055 Days

Day: 24.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,778,905 km

• M1: 71,059 km (0.044 R)
• M2: 253,718 km (0.116 R)
• M3: 480,209 km (0.09 R)
• M4: 800,797 km (0.049 R)
• M5: 1,041,201 km (0.101 R)
• M6: 1,566,738 km (0.113 R)
• M7: 1,850,825 km (0.106 R)
• M8: 2,665,236 km (0.097 R)
• M9: 3,912,134 km (0.088 R)
• M10: 4,470,882 km (0.087 R)
• M11: 7,833,692 km (0.086 R)
• M12: 9,101,684 km (0.074 R)
• M13: 10,019,317 km (0.061 R)
• M14: 10,198,087 km (0.06 R)
• M15: 11,187,527 km (0.105 R)
• M16: 12,719,559 km (0.083 R)
• M17: 13,864,431 km (0.102 R)
• M18: 16,275,201 km (0.068 R)
• M19: 17,970,594 km (0.11 R)
• M20: 20,346,208 km (0.081 R)
• M21: 21,510,079 km (0.099 R)
• M22: 22,310,278 km (0.079 R)
• M23: 25,933,090 km (0.109 R)
• M24: 26,496,924 km (0.071 R)
• M25: 27,532,441 km (0.095 R)
• M26: 34,860,493 km (0.064 R)
• M27: 37,089,351 km (0.107 R)
• M28: 37,517,650 km (0.105 R)
• M29: 38,529,680 km (0.108 R)
• M30: 45,637,074 km (0.097 R)
• M31: 46,956,079 km (0.048 R)
• M32: 54,668,148 km (0.111 R)
• M33: 57,098,515 km (0.033 R)
• M34: 57,860,567 km (0.042 R)
• M35: 58,629,350 km (0.069 R)
• M36: 59,405,015 km (0.118 R)
• M37: 66,906,451 km (0.095 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 14,707 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit