🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.5

Radius: 12.7

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.46 AU - 0.6 AU

Year: 262 Days

Day: 13.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,482,037 km

• M1: 158,125 km (0.071 R)
• M2: 449,242 km (0.076 R)
• M3: 709,842 km (0.071 R)
• M4: 1,031,627 km (0.114 R)
• M5: 1,305,541 km (0.107 R)
• M6: 1,546,992 km (0.099 R)
• M7: 1,926,222 km (0.11 R)
• M8: 2,190,562 km (0.098 R)
• M9: 2,522,968 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.4

Radius: 9.9

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.58 AU - 0.68 AU

Year: 339 Days

Day: 13.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,482,037 km

• M1: 123,418 km (0.076 R)
• M2: 322,533 km (0.1 R)
• M3: 621,130 km (0.065 R)
• M4: 835,654 km (0.054 R)
• M5: 1,088,474 km (0.054 R)
• M6: 1,330,224 km (0.043 R)
• M7: 1,743,264 km (0.104 R)
• M8: 1,954,347 km (0.092 R)
• M9: 2,178,444 km (0.115 R)
• M10: 2,415,407 km (0.087 R)
• M11: 2,643,993 km (0.119 R)
• M12: 3,164,743 km (0.027 R)
• M13: 3,402,903 km (0.103 R)
• M14: 3,641,661 km (0.061 R)
• M15: 3,837,036 km (0.087 R)
• M16: 4,207,291 km (0.078 R)
• M17: 4,529,225 km (0.055 R)
• M18: 4,757,212 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.5

Radius: 12.5

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.09 AU - 2.83 AU

Year: 2617 Days

Day: 5.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,482,037 km

• M1: 176,675 km (0.115 R)
• M2: 581,637 km (0.109 R)
• M3: 939,624 km (0.112 R)
• M4: 1,233,584 km (0.113 R)
• M5: 1,735,634 km (0.032 R)
• M6: 2,104,244 km (0.057 R)
• M7: 2,458,342 km (0.084 R)
• M8: 2,718,193 km (0.095 R)
• M9: 2,956,952 km (0.037 R)
• M10: 3,568,358 km (0.096 R)
• M11: 4,496,613 km (0.118 R)
• M12: 4,760,952 km (0.104 R)
• M13: 5,376,398 km (0.032 R)
• M14: 6,992,803 km (0.113 R)
• M15: 7,268,063 km (0.053 R)
• M16: 8,283,533 km (0.075 R)
• M17: 8,806,527 km (0.087 R)
• M18: 9,282,697 km (0.111 R)
• M19: 9,685,714 km (0.12 R)
• M20: 10,384,187 km (0.119 R)
• M21: 10,810,541 km (0.074 R)
• M22: 11,926,541 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.2

Radius: 8.3

Gravity: 12.78 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.36 AU - 3.78 AU

Year: 4575 Days

Day: 9.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,482,037 km

• M1: 104,270 km (0.118 R)
• M2: 267,481 km (0.074 R)
• M3: 892,650 km (0.076 R)
• M4: 1,263,803 km (0.088 R)
• M5: 2,077,017 km (0.091 R)
• M6: 2,678,699 km (0.094 R)
• M7: 3,481,741 km (0.062 R)
• M8: 4,579,640 km (0.116 R)
• M9: 5,491,289 km (0.052 R)
• M10: 6,685,230 km (0.082 R)
• M11: 7,327,005 km (0.12 R)
• M12: 8,123,912 km (0.114 R)
• M13: 8,377,630 km (0.1 R)
• M14: 10,017,073 km (0.047 R)
• M15: 10,584,498 km (0.105 R)
• M16: 11,093,879 km (0.106 R)
• M17: 11,390,382 km (0.1 R)
• M18: 12,072,099 km (0.063 R)
• M19: 13,292,818 km (0.096 R)
• M20: 13,658,286 km (0.029 R)
• M21: 14,870,028 km (0.085 R)
• M22: 15,256,589 km (0.071 R)
• M23: 15,912,127 km (0.055 R)
• M24: 16,222,692 km (0.065 R)
• M25: 17,821,146 km (0.104 R)
• M26: 18,291,780 km (0.03 R)
• M27: 20,036,840 km (0.089 R)
• M28: 22,278,414 km (0.104 R)
• M29: 23,659,053 km (0.085 R)
• M30: 24,365,005 km (0.111 R)
• M31: 24,694,270 km (0.112 R)
• M32: 27,992,454 km (0.078 R)
• M33: 28,227,473 km (0.107 R)
• M34: 30,755,677 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.6

Radius: 7.7

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.04 AU - 7.46 AU

Year: 11895 Days

Day: 23.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,482,037 km

• M1: 175,628 km (0.104 R)
• M2: 326,423 km (0.11 R)
• M3: 565,031 km (0.074 R)
• M4: 813,962 km (0.097 R)
• M5: 1,232,986 km (0.11 R)
• M6: 1,588,430 km (0.088 R)
• M7: 4,465,646 km (0.08 R)
• M8: 5,560,104 km (0.087 R)
• M9: 6,240,475 km (0.118 R)
• M10: 7,527,017 km (0.071 R)
• M11: 7,720,746 km (0.073 R)
• M12: 7,996,156 km (0.101 R)
• M13: 8,977,817 km (0.042 R)
• M14: 9,232,133 km (0.088 R)
• M15: 9,533,424 km (0.078 R)
• M16: 10,285,452 km (0.09 R)
• M17: 14,105,733 km (0.09 R)
• M18: 16,357,181 km (0.119 R)
• M19: 18,776,328 km (0.065 R)
• M20: 19,021,369 km (0.041 R)
• M21: 20,652,584 km (0.108 R)
• M22: 24,048,456 km (0.113 R)
• M23: 24,395,224 km (0.104 R)
• M24: 27,039,666 km (0.11 R)
• M25: 27,703,581 km (0.07 R)
• M26: 29,131,642 km (0.025 R)
• M27: 30,129,610 km (0.088 R)
• M28: 30,362,234 km (0.071 R)
• M29: 31,380,846 km (0.104 R)
• M30: 32,016,039 km (0.077 R)
• M31: 36,470,764 km (0.057 R)
• M32: 38,107,215 km (0.109 R)
• M33: 42,310,317 km (0.111 R)
• M34: 43,604,937 km (0.074 R)
• M35: 45,583,369 km (0.074 R)
• M36: 47,023,547 km (0.067 R)
• M37: 47,703,320 km (0.081 R)
• M38: 47,996,083 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.9

Radius: 6.5

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.37 AU - 10.37 AU

Year: 16424 Days

Day: 22.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,482,037 km

• M1: 143,165 km (0.067 R)
• M2: 1,742,815 km (0.099 R)
• M3: 2,119,353 km (0.104 R)
• M4: 2,894,120 km (0.039 R)
• M5: 3,180,002 km (0.025 R)
• M6: 3,353,236 km (0.073 R)
• M7: 3,982,744 km (0.101 R)
• M8: 4,847,420 km (0.051 R)
• M9: 6,728,463 km (0.065 R)
• M10: 7,921,357 km (0.115 R)
• M11: 9,045,734 km (0.116 R)
• M12: 9,808,384 km (0.074 R)
• M13: 10,069,582 km (0.08 R)
• M14: 13,779,011 km (0.077 R)
• M15: 15,091,583 km (0.099 R)
• M16: 15,253,148 km (0.102 R)
• M17: 15,908,088 km (0.098 R)
• M18: 16,296,444 km (0.101 R)
• M19: 18,249,893 km (0.082 R)
• M20: 19,328,942 km (0.118 R)
• M21: 20,127,646 km (0.101 R)
• M22: 20,564,471 km (0.075 R)
• M23: 22,489,796 km (0.093 R)
• M24: 24,160,355 km (0.101 R)
• M25: 24,433,222 km (0.116 R)
• M26: 30,978,727 km (0.088 R)
• M27: 31,598,212 km (0.092 R)
• M28: 32,539,033 km (0.07 R)
• M29: 33,976,070 km (0.056 R)
• M30: 34,787,938 km (0.11 R)
• M31: 35,115,407 km (0.113 R)
• M32: 39,511,790 km (0.089 R)
• M33: 46,121,921 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.5

Radius: 3.2

Gravity: 36.96 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.08 AU - 10.28 AU

Year: 18865 Days

Day: 15.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,482,037 km

• M1: 44,730 km (0.085 R)
• M2: 904,020 km (0.112 R)
• M3: 1,284,148 km (0.068 R)
• M4: 1,713,494 km (0.116 R)
• M5: 1,835,865 km (0.089 R)
• M6: 2,813,936 km (0.093 R)
• M7: 4,578,293 km (0.101 R)
• M8: 5,121,633 km (0.071 R)
• M9: 9,545,990 km (0.114 R)
• M10: 11,187,826 km (0.105 R)
• M11: 11,605,504 km (0.11 R)
• M12: 16,706,941 km (0.063 R)
• M13: 16,960,958 km (0.08 R)
• M14: 17,930,502 km (0.101 R)
• M15: 21,285,683 km (0.114 R)
• M16: 22,811,880 km (0.088 R)
• M17: 24,010,159 km (0.111 R)
• M18: 30,377,344 km (0.086 R)
• M19: 42,082,629 km (0.098 R)
• M20: 59,334,255 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.9

Radius: 4

Gravity: 28.18 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7 AU - 11.58 AU

Year: 19205 Days

Day: 19 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 81,482,037 km

• M1: 64,177 km (0.097 R)
• M2: 142,716 km (0.03 R)
• M3: 244,443 km (0.078 R)
• M4: 356,193 km (0.036 R)
• M5: 1,120,937 km (0.104 R)
• M6: 1,240,316 km (0.087 R)
• M7: 1,760,019 km (0.102 R)
• M8: 3,250,911 km (0.076 R)
• M9: 3,484,733 km (0.064 R)
• M10: 4,105,265 km (0.088 R)
• M11: 4,202,803 km (0.101 R)
• M12: 4,707,845 km (0.059 R)
• M13: 5,651,808 km (0.105 R)
• M14: 8,814,905 km (0.056 R)
• M15: 9,102,282 km (0.109 R)
• M16: 10,660,793 km (0.1 R)
• M17: 11,297,332 km (0.099 R)
• M18: 13,849,322 km (0.057 R)
• M19: 14,512,789 km (0.074 R)
• M20: 14,635,160 km (0.114 R)
• M21: 17,995,876 km (0.085 R)
• M22: 18,268,892 km (0.083 R)
• M23: 18,406,073 km (0.046 R)
• M24: 18,820,908 km (0.091 R)
• M25: 21,407,156 km (0.072 R)
• M26: 21,779,655 km (0.113 R)
• M27: 22,230,692 km (0.113 R)
• M28: 30,255,272 km (0.058 R)
• M29: 35,586,790 km (0.102 R)
• M30: 37,624,014 km (0.108 R)
• M31: 39,214,389 km (0.056 R)
• M32: 39,516,128 km (0.088 R)
• M33: 40,123,346 km (0.111 R)
• M34: 42,912,897 km (0.051 R)
• M35: 43,757,527 km (0.066 R)
• M36: 44,610,384 km (0.099 R)
• M37: 44,932,319 km (0.098 R)
• M38: 47,108,070 km (0.084 R)
• M39: 50,925,210 km (0.03 R)
• M40: 53,944,543 km (0.118 R)
• M41: 59,747,295 km (0.069 R)
• M42: 60,993,595 km (0.034 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.7

Radius: 7.8

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 9.18 AU - 11.9 AU

Year: 23209 Days

Day: 19.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,482,037 km

• M1: 276,756 km (0.114 R)
• M2: 495,767 km (0.045 R)
• M3: 960,418 km (0.088 R)
• M4: 1,646,923 km (0.113 R)
• M5: 1,903,783 km (0.111 R)
• M6: 2,617,963 km (0.095 R)
• M7: 3,517,196 km (0.043 R)
• M8: 4,982,207 km (0.062 R)
• M9: 5,183,566 km (0.047 R)
• M10: 6,941,491 km (0.052 R)
• M11: 8,275,305 km (0.083 R)
• M12: 10,238,329 km (0.114 R)
• M13: 10,585,994 km (0.119 R)
• M14: 10,762,071 km (0.12 R)
• M15: 11,849,049 km (0.08 R)
• M16: 12,412,285 km (0.046 R)
• M17: 16,140,862 km (0.072 R)
• M18: 21,017,005 km (0.084 R)
• M19: 22,019,011 km (0.063 R)
• M20: 23,044,355 km (0.091 R)
• M21: 27,004,959 km (0.116 R)
• M22: 28,812,550 km (0.116 R)
• M23: 30,979,026 km (0.093 R)
• M24: 37,729,481 km (0.085 R)
• M25: 38,620,186 km (0.087 R)
• M26: 43,943,627 km (0.119 R)
• M27: 51,534,372 km (0.106 R)
• M28: 53,362,009 km (0.036 R)
• M29: 54,553,706 km (0.082 R)
• M30: 55,489,740 km (0.062 R)
• M31: 57,522,326 km (0.053 R)
• M32: 62,265,027 km (0.106 R)
• M33: 62,692,578 km (0.058 R)
• M34: 70,184,439 km (0.108 R)
• M35: 71,398,127 km (0.116 R)
• M36: 73,546,951 km (0.074 R)
• M37: 74,011,602 km (0.098 R)
• M38: 80,508,338 km (0.035 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 16,727 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit