🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.25 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.2

Radius: 9.4

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2 AU - 3.01 AU

Year: 2728 Days

Day: 10.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,513,322 km

• M1: 116,986 km (0.114 R)
• M2: 558,000 km (0.036 R)
• M3: 911,949 km (0.099 R)
• M4: 1,207,554 km (0.12 R)
• M5: 1,990,549 km (0.074 R)
• M6: 3,530,510 km (0.09 R)
• M7: 4,545,083 km (0.06 R)
• M8: 4,964,405 km (0.106 R)
• M9: 5,607,975 km (0.104 R)
• M10: 6,777,681 km (0.116 R)
• M11: 11,008,608 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.2

Radius: 13.7

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.44 AU - 2.86 AU

Year: 2978 Days

Day: 7.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,513,322 km

• M1: 170,392 km (0.084 R)
• M2: 717,023 km (0.119 R)
• M3: 1,405,771 km (0.097 R)
• M4: 1,963,472 km (0.092 R)
• M5: 3,641,362 km (0.056 R)
• M6: 4,280,145 km (0.07 R)
• M7: 7,180,997 km (0.102 R)
• M8: 9,806,589 km (0.071 R)
• M9: 12,473,470 km (0.051 R)
• M10: 16,272,808 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.7

Radius: 11.9

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.4 AU - 3.22 AU

Year: 3251 Days

Day: 8.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,513,322 km

• M1: 148,102 km (0.074 R)
• M2: 580,589 km (0.029 R)
• M3: 1,092,064 km (0.105 R)
• M4: 1,912,758 km (0.038 R)
• M5: 2,409,423 km (0.111 R)
• M6: 3,352,189 km (0.094 R)
• M7: 4,183,504 km (0.114 R)
• M8: 5,219,919 km (0.095 R)
• M9: 7,543,622 km (0.097 R)
• M10: 8,384,961 km (0.08 R)
• M11: 13,557,756 km (0.07 R)
• M12: 18,182,424 km (0.081 R)
• M13: 20,173,572 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.5

Radius: 12.6

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.39 AU - 3.62 AU

Year: 3587 Days

Day: 5.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,513,322 km

• M1: 156,779 km (0.103 R)
• M2: 568,921 km (0.056 R)
• M3: 1,128,118 km (0.088 R)
• M4: 1,570,628 km (0.052 R)
• M5: 1,979,030 km (0.117 R)
• M6: 2,998,989 km (0.108 R)
• M7: 3,495,055 km (0.054 R)
• M8: 4,928,951 km (0.091 R)
• M9: 6,053,627 km (0.057 R)
• M10: 8,693,132 km (0.087 R)
• M11: 9,507,393 km (0.082 R)
• M12: 10,036,671 km (0.117 R)
• M13: 11,697,058 km (0.056 R)
• M14: 12,210,328 km (0.117 R)
• M15: 13,082,483 km (0.107 R)
• M16: 15,723,783 km (0.082 R)
• M17: 20,391,237 km (0.105 R)
• M18: 22,606,781 km (0.031 R)
• M19: 25,518,704 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551

Radius: 11.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.72 AU - 3.44 AU

Year: 3731 Days

Day: 11 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,513,322 km

• M1: 147,952 km (0.06 R)
• M2: 542,292 km (0.1 R)
• M3: 988,094 km (0.118 R)
• M4: 1,499,270 km (0.11 R)
• M5: 1,973,046 km (0.071 R)
• M6: 3,034,742 km (0.067 R)
• M7: 3,546,218 km (0.102 R)
• M8: 5,779,265 km (0.102 R)
• M9: 6,222,224 km (0.072 R)
• M10: 6,777,681 km (0.06 R)
• M11: 8,055,546 km (0.068 R)
• M12: 9,225,701 km (0.114 R)
• M13: 12,483,494 km (0.082 R)
• M14: 13,178,974 km (0.11 R)
• M15: 14,445,470 km (0.087 R)
• M16: 15,844,958 km (0.066 R)
• M17: 16,440,357 km (0.047 R)
• M18: 18,672,058 km (0.075 R)
• M19: 21,098,835 km (0.085 R)
• M20: 21,621,530 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.2

Radius: 11.4

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.46 AU - 5.26 AU

Year: 6284 Days

Day: 13 Hours

Environment

Temp: -226 °C

Axial Tilt: 122.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,513,322 km

• M1: 141,819 km (0.026 R)
• M2: 670,498 km (0.049 R)
• M3: 1,615,358 km (0.083 R)
• M4: 2,310,838 km (0.048 R)
• M5: 3,237,896 km (0.094 R)
• M6: 4,740,158 km (0.028 R)
• M7: 6,663,388 km (0.065 R)
• M8: 7,189,075 km (0.113 R)
• M9: 7,971,472 km (0.053 R)
• M10: 9,186,506 km (0.094 R)
• M11: 9,838,454 km (0.119 R)
• M12: 10,850,334 km (0.082 R)
• M13: 13,738,171 km (0.073 R)
• M14: 16,782,637 km (0.117 R)
• M15: 22,113,856 km (0.095 R)
• M16: 23,444,380 km (0.028 R)
• M17: 32,469,470 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.3

Radius: 9.6

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.85 AU - 5.19 AU

Year: 6633 Days

Day: 7.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,513,322 km

• M1: 127,757 km (0.11 R)
• M2: 456,872 km (0.074 R)
• M3: 784,342 km (0.095 R)
• M4: 1,274,873 km (0.102 R)
• M5: 1,931,907 km (0.097 R)
• M6: 2,485,569 km (0.053 R)
• M7: 2,858,516 km (0.066 R)
• M8: 3,162,499 km (0.083 R)
• M9: 3,836,587 km (0.08 R)
• M10: 4,311,111 km (0.11 R)
• M11: 4,824,382 km (0.072 R)
• M12: 5,347,825 km (0.116 R)
• M13: 7,946,340 km (0.082 R)
• M14: 8,469,783 km (0.116 R)
• M15: 8,930,544 km (0.108 R)
• M16: 9,232,283 km (0.053 R)
• M17: 11,898,566 km (0.058 R)
• M18: 12,317,440 km (0.101 R)
• M19: 12,691,883 km (0.066 R)
• M20: 15,591,838 km (0.044 R)
• M21: 16,157,019 km (0.092 R)
• M22: 17,261,949 km (0.105 R)
• M23: 18,003,356 km (0.028 R)
• M24: 18,625,533 km (0.046 R)
• M25: 23,634,668 km (0.113 R)
• M26: 29,379,675 km (0.12 R)
• M27: 30,145,467 km (0.099 R)
• M28: 31,517,579 km (0.095 R)
• M29: 34,280,502 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871

Radius: 11.2

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.34 AU - 5.48 AU

Year: 8686 Days

Day: 13 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,513,322 km

• M1: 139,425 km (0.119 R)
• M2: 697,874 km (0.06 R)
• M3: 1,151,904 km (0.036 R)
• M4: 1,543,401 km (0.066 R)
• M5: 2,356,765 km (0.117 R)
• M6: 2,725,673 km (0.079 R)
• M7: 3,556,989 km (0.112 R)
• M8: 4,154,333 km (0.113 R)
• M9: 4,727,143 km (0.113 R)
• M10: 5,254,775 km (0.12 R)
• M11: 7,811,253 km (0.095 R)
• M12: 8,328,413 km (0.103 R)
• M13: 9,383,377 km (0.099 R)
• M14: 10,837,767 km (0.087 R)
• M15: 13,203,209 km (0.119 R)
• M16: 13,875,651 km (0.097 R)
• M17: 15,090,835 km (0.07 R)
• M18: 16,515,007 km (0.09 R)
• M19: 17,151,994 km (0.116 R)
• M20: 18,931,012 km (0.115 R)
• M21: 19,316,526 km (0.117 R)
• M22: 21,240,953 km (0.072 R)
• M23: 25,003,040 km (0.117 R)
• M24: 32,150,228 km (0.104 R)
• M25: 32,810,254 km (0.111 R)
• M26: 33,255,307 km (0.053 R)
• M27: 33,704,251 km (0.054 R)
• M28: 34,499,812 km (0.108 R)
• M29: 46,850,164 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.3

Radius: 3

Gravity: 102.26 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.76 AU - 9.1 AU

Year: 18420 Days

Day: 23.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,513,322 km

• M1: 37,848 km (0.12 R)
• M2: 164,558 km (0.101 R)
• M3: 310,864 km (0.118 R)
• M4: 663,317 km (0.099 R)
• M5: 1,016,518 km (0.025 R)
• M6: 2,918,206 km (0.116 R)
• M7: 4,396,233 km (0.1 R)
• M8: 5,007,938 km (0.105 R)
• M9: 5,314,464 km (0.06 R)
• M10: 7,180,099 km (0.049 R)
• M11: 10,451,506 km (0.104 R)
• M12: 10,888,032 km (0.061 R)
• M13: 12,476,762 km (0.107 R)
• M14: 17,025,135 km (0.059 R)
• M15: 20,377,474 km (0.112 R)
• M16: 29,564,429 km (0.108 R)
• M17: 32,097,719 km (0.078 R)
• M18: 40,254,244 km (0.11 R)
• M19: 40,557,778 km (0.086 R)
• M20: 45,953,923 km (0.057 R)
• M21: 49,341,267 km (0.036 R)
• M22: 56,988,710 km (0.118 R)
• M23: 64,970,954 km (0.079 R)
• M24: 65,179,493 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.9

Radius: 5.1

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 9.13 AU - 10.81 AU

Year: 21730 Days

Day: 20 Hours

Environment

Temp: -244 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,513,322 km

• M1: 63,429 km (0.077 R)
• M2: 262,245 km (0.063 R)
• M3: 527,931 km (0.054 R)
• M4: 790,625 km (0.108 R)
• M5: 2,183,531 km (0.091 R)
• M6: 2,568,147 km (0.072 R)
• M7: 3,042,073 km (0.115 R)
• M8: 3,275,894 km (0.102 R)
• M9: 3,597,829 km (0.074 R)
• M10: 4,845,325 km (0.112 R)
• M11: 5,164,717 km (0.079 R)
• M12: 5,635,352 km (0.047 R)
• M13: 8,112,393 km (0.06 R)
• M14: 8,747,586 km (0.113 R)
• M15: 9,513,377 km (0.101 R)
• M16: 10,065,244 km (0.111 R)
• M17: 11,453,961 km (0.032 R)
• M18: 12,665,255 km (0.068 R)
• M19: 13,959,426 km (0.114 R)
• M20: 22,115,352 km (0.12 R)
• M21: 24,259,389 km (0.073 R)
• M22: 26,245,899 km (0.111 R)
• M23: 27,931,418 km (0.063 R)
• M24: 30,005,144 km (0.115 R)
• M25: 36,112,328 km (0.099 R)
• M26: 38,444,110 km (0.117 R)
• M27: 40,743,728 km (0.063 R)
• M28: 46,179,217 km (0.097 R)
• M29: 47,899,293 km (0.053 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: 437 - 15,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit