🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.69 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.2

Radius: 11.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.59 AU - 4.17 AU

Year: 4215 Days

Day: 10.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,742,357 km

• M1: 144,212 km (0.081 R)
• M2: 573,708 km (0.109 R)
• M3: 1,323,343 km (0.106 R)
• M4: 2,498,883 km (0.107 R)
• M5: 2,779,080 km (0.085 R)
• M6: 6,423,433 km (0.107 R)
• M7: 7,021,974 km (0.055 R)
• M8: 8,733,224 km (0.076 R)
• M9: 9,204,757 km (0.117 R)
• M10: 10,067,488 km (0.072 R)
• M11: 11,529,508 km (0.084 R)
• M12: 15,845,107 km (0.115 R)
• M13: 16,707,389 km (0.107 R)
• M14: 17,592,859 km (0.077 R)
• M15: 18,701,978 km (0.12 R)
• M16: 19,886,643 km (0.099 R)
• M17: 20,345,610 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.3

Radius: 11.8

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.71 AU - 4.43 AU

Year: 4575 Days

Day: 14.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,742,357 km

• M1: 147,204 km (0.077 R)
• M2: 512,822 km (0.042 R)
• M3: 762,949 km (0.071 R)
• M4: 1,036,115 km (0.098 R)
• M5: 1,335,311 km (0.072 R)
• M6: 1,637,648 km (0.093 R)
• M7: 1,915,900 km (0.105 R)
• M8: 2,577,272 km (0.094 R)
• M9: 3,724,688 km (0.065 R)
• M10: 4,643,219 km (0.09 R)
• M11: 5,141,828 km (0.043 R)
• M12: 5,847,332 km (0.053 R)
• M13: 6,993,102 km (0.091 R)
• M14: 7,310,399 km (0.073 R)
• M15: 8,368,056 km (0.12 R)
• M16: 9,733,436 km (0.088 R)
• M17: 10,074,070 km (0.105 R)
• M18: 10,455,395 km (0.088 R)
• M19: 10,808,446 km (0.071 R)
• M20: 12,432,331 km (0.062 R)
• M21: 12,934,082 km (0.073 R)
• M22: 14,623,940 km (0.089 R)
• M23: 15,125,990 km (0.117 R)
• M24: 17,994,230 km (0.057 R)
• M25: 18,598,007 km (0.096 R)
• M26: 24,861,820 km (0.043 R)
• M27: 25,626,564 km (0.117 R)
• M28: 26,402,827 km (0.117 R)
• M29: 26,738,974 km (0.1 R)
• M30: 28,163,146 km (0.11 R)
• M31: 28,452,318 km (0.082 R)
• M32: 29,152,735 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.5

Radius: 13.3

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.99 AU - 4.95 AU

Year: 6410 Days

Day: 12.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 52,742,357 km

• M1: 171,290 km (0.111 R)
• M2: 435,629 km (0.113 R)
• M3: 719,416 km (0.103 R)
• M4: 1,003,802 km (0.058 R)
• M5: 1,451,847 km (0.068 R)
• M6: 1,719,029 km (0.04 R)
• M7: 2,209,112 km (0.067 R)
• M8: 3,540,533 km (0.116 R)
• M9: 3,896,875 km (0.108 R)
• M10: 4,199,362 km (0.114 R)
• M11: 5,582,544 km (0.115 R)
• M12: 6,468,462 km (0.108 R)
• M13: 6,768,705 km (0.119 R)
• M14: 7,231,860 km (0.116 R)
• M15: 7,485,429 km (0.115 R)
• M16: 7,808,560 km (0.1 R)
• M17: 9,029,578 km (0.095 R)
• M18: 10,454,498 km (0.053 R)
• M19: 10,798,423 km (0.094 R)
• M20: 11,148,033 km (0.102 R)
• M21: 12,896,084 km (0.112 R)
• M22: 15,736,948 km (0.082 R)
• M23: 16,444,097 km (0.117 R)
• M24: 16,875,986 km (0.093 R)
• M25: 17,509,683 km (0.103 R)
• M26: 17,855,852 km (0.062 R)
• M27: 18,609,078 km (0.101 R)
• M28: 19,017,181 km (0.099 R)
• M29: 19,429,771 km (0.083 R)
• M30: 20,004,377 km (0.082 R)
• M31: 20,587,509 km (0.094 R)
• M32: 21,614,499 km (0.118 R)
• M33: 24,554,247 km (0.066 R)
• M34: 26,094,805 km (0.085 R)
• M35: 27,373,568 km (0.096 R)
• M36: 30,737,874 km (0.035 R)
• M37: 33,134,732 km (0.111 R)
• M38: 33,543,134 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.1

Radius: 8.1

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.85 AU - 4.89 AU

Year: 7289 Days

Day: 12.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,742,357 km

• M1: 131,197 km (0.063 R)
• M2: 580,589 km (0.051 R)
• M3: 1,212,042 km (0.095 R)
• M4: 1,438,533 km (0.115 R)
• M5: 1,762,562 km (0.117 R)
• M6: 2,591,783 km (0.037 R)
• M7: 2,845,052 km (0.085 R)
• M8: 4,546,130 km (0.1 R)
• M9: 4,961,862 km (0.066 R)
• M10: 5,535,720 km (0.082 R)
• M11: 5,820,255 km (0.06 R)
• M12: 8,185,397 km (0.06 R)
• M13: 8,707,344 km (0.087 R)
• M14: 9,428,705 km (0.075 R)
• M15: 9,650,858 km (0.112 R)
• M16: 10,217,535 km (0.074 R)
• M17: 14,140,290 km (0.106 R)
• M18: 15,432,816 km (0.077 R)
• M19: 17,178,174 km (0.109 R)
• M20: 17,629,211 km (0.088 R)
• M21: 18,860,701 km (0.115 R)
• M22: 19,333,281 km (0.095 R)
• M23: 19,492,154 km (0.077 R)
• M24: 20,404,551 km (0.084 R)
• M25: 22,292,327 km (0.118 R)
• M26: 22,863,491 km (0.107 R)
• M27: 24,859,875 km (0.08 R)
• M28: 26,257,867 km (0.099 R)
• M29: 26,443,069 km (0.109 R)
• M30: 32,920,507 km (0.107 R)
• M31: 35,523,959 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.3

Radius: 14

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.84 AU - 5.68 AU

Year: 8182 Days

Day: 10.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,742,357 km

• M1: 269,575 km (0.088 R)
• M2: 623,524 km (0.11 R)
• M3: 1,971,999 km (0.113 R)
• M4: 2,767,411 km (0.041 R)
• M5: 3,537,092 km (0.097 R)
• M6: 4,036,450 km (0.03 R)
• M7: 4,822,138 km (0.103 R)
• M8: 5,346,179 km (0.08 R)
• M9: 5,680,381 km (0.047 R)
• M10: 7,543,323 km (0.108 R)
• M11: 8,424,604 km (0.049 R)
• M12: 10,674,556 km (0.078 R)
• M13: 12,725,543 km (0.063 R)
• M14: 15,883,255 km (0.091 R)
• M15: 18,092,067 km (0.086 R)
• M16: 18,371,367 km (0.112 R)
• M17: 19,394,766 km (0.107 R)
• M18: 20,802,930 km (0.065 R)
• M19: 21,343,727 km (0.092 R)
• M20: 22,014,224 km (0.108 R)
• M21: 22,322,545 km (0.105 R)
• M22: 23,577,223 km (0.12 R)
• M23: 27,617,263 km (0.091 R)
• M24: 29,650,747 km (0.102 R)
• M25: 30,152,348 km (0.032 R)
• M26: 30,585,883 km (0.106 R)
• M27: 31,388,476 km (0.105 R)
• M28: 32,350,540 km (0.074 R)
• M29: 35,636,906 km (0.096 R)
• M30: 36,741,387 km (0.12 R)
• M31: 37,299,985 km (0.107 R)
• M32: 39,659,144 km (0.108 R)
• M33: 42,517,660 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.3

Radius: 11.8

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.09 AU - 5.99 AU

Year: 8844 Days

Day: 9.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,742,357 km

• M1: 151,243 km (0.056 R)
• M2: 391,348 km (0.094 R)
• M3: 1,008,290 km (0.076 R)
• M4: 9,960,825 km (0.08 R)
• M5: 10,543,209 km (0.046 R)
• M6: 11,142,349 km (0.101 R)
• M7: 12,605,416 km (0.072 R)
• M8: 14,528,197 km (0.051 R)
• M9: 16,638,275 km (0.072 R)
• M10: 22,314,766 km (0.103 R)
• M11: 23,597,867 km (0.026 R)
• M12: 24,433,222 km (0.048 R)
• M13: 30,353,408 km (0.089 R)
• M14: 30,690,003 km (0.115 R)
• M15: 31,164,228 km (0.12 R)
• M16: 33,873,895 km (0.11 R)
• M17: 34,658,535 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.9

Radius: 4.3

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.47 AU - 7.15 AU

Year: 10751 Days

Day: 18.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,742,357 km

• M1: 67,319 km (0.07 R)
• M2: 330,013 km (0.103 R)
• M3: 1,554,920 km (0.06 R)
• M4: 2,772,946 km (0.109 R)
• M5: 2,909,379 km (0.066 R)
• M6: 2,996,296 km (0.107 R)
• M7: 3,507,172 km (0.113 R)
• M8: 4,413,885 km (0.115 R)
• M9: 5,192,093 km (0.08 R)
• M10: 5,617,101 km (0.031 R)
• M11: 6,753,745 km (0.112 R)
• M12: 7,654,325 km (0.067 R)
• M13: 11,615,227 km (0.116 R)
• M14: 13,156,385 km (0.034 R)
• M15: 13,566,133 km (0.113 R)
• M16: 15,109,235 km (0.097 R)
• M17: 17,155,435 km (0.104 R)
• M18: 20,700,456 km (0.036 R)
• M19: 21,591,461 km (0.043 R)
• M20: 23,826,453 km (0.075 R)
• M21: 24,478,101 km (0.118 R)
• M22: 24,579,080 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.6

Radius: 6.1

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 8.56 AU - 9.18 AU

Year: 17917 Days

Day: 19.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 145.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,742,357 km

• M1: 77,043 km (0.07 R)
• M2: 282,142 km (0.111 R)
• M3: 429,047 km (0.068 R)
• M4: 973,583 km (0.08 R)
• M5: 1,501,813 km (0.12 R)
• M6: 3,773,756 km (0.082 R)
• M7: 5,385,374 km (0.102 R)
• M8: 6,023,558 km (0.073 R)
• M9: 7,622,610 km (0.118 R)
• M10: 9,687,958 km (0.105 R)
• M11: 10,359,802 km (0.053 R)
• M12: 13,152,196 km (0.111 R)
• M13: 13,684,615 km (0.115 R)
• M14: 14,910,569 km (0.066 R)
• M15: 16,596,986 km (0.077 R)
• M16: 19,003,118 km (0.11 R)
• M17: 21,004,738 km (0.1 R)
• M18: 23,160,742 km (0.096 R)
• M19: 24,471,818 km (0.117 R)
• M20: 26,161,526 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.6

Radius: 7.3

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.23 AU - 11.83 AU

Year: 21545 Days

Day: 17.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,742,357 km

• M1: 92,751 km (0.113 R)
• M2: 341,532 km (0.118 R)
• M3: 836,402 km (0.09 R)
• M4: 1,022,202 km (0.113 R)
• M5: 1,182,571 km (0.069 R)
• M6: 1,372,112 km (0.045 R)
• M7: 1,648,419 km (0.116 R)
• M8: 2,434,855 km (0.043 R)
• M9: 3,123,454 km (0.103 R)
• M10: 3,677,415 km (0.109 R)
• M11: 4,014,908 km (0.064 R)
• M12: 5,020,804 km (0.081 R)
• M13: 7,693,669 km (0.111 R)
• M14: 12,424,702 km (0.081 R)
• M15: 12,784,036 km (0.108 R)
• M16: 17,197,322 km (0.05 R)
• M17: 17,680,823 km (0.103 R)
• M18: 19,554,237 km (0.053 R)
• M19: 22,610,671 km (0.07 R)
• M20: 23,514,841 km (0.087 R)
• M21: 25,596,046 km (0.073 R)
• M22: 26,632,460 km (0.086 R)
• M23: 30,582,442 km (0.045 R)
• M24: 34,806,338 km (0.102 R)
• M25: 36,100,659 km (0.082 R)
• M26: 38,941,373 km (0.082 R)
• M27: 39,303,998 km (0.083 R)
• M28: 40,402,196 km (0.05 R)
• M29: 40,586,650 km (0.074 R)
• M30: 41,235,606 km (0.094 R)
• M31: 43,787,446 km (0.101 R)
• M32: 49,732,915 km (0.064 R)
• M33: 52,426,873 km (0.089 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: 339 - 16,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit