🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.9

Radius: 8.8

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.12 AU - 1.22 AU

Year: 874 Days

Day: 6.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,726,932 km

• M1: 109,506 km (0.114 R)
• M2: 525,238 km (0.069 R)
• M3: 958,324 km (0.114 R)
• M4: 1,619,547 km (0.077 R)
• M5: 2,488,411 km (0.116 R)
• M6: 2,797,331 km (0.12 R)
• M7: 3,350,992 km (0.107 R)
• M8: 3,759,394 km (0.094 R)
• M9: 4,168,096 km (0.1 R)
• M10: 4,554,208 km (0.078 R)
• M11: 5,074,809 km (0.113 R)
• M12: 5,816,515 km (0.037 R)
• M13: 7,250,111 km (0.058 R)
• M14: 9,153,445 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.5

Radius: 11.8

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.02 AU - 1.54 AU

Year: 1000 Days

Day: 14.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 132 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,726,932 km

• M1: 146,756 km (0.09 R)
• M2: 571,015 km (0.109 R)
• M3: 961,615 km (0.069 R)
• M4: 1,426,117 km (0.084 R)
• M5: 1,802,954 km (0.052 R)
• M6: 2,602,704 km (0.116 R)
• M7: 3,293,696 km (0.109 R)
• M8: 3,683,249 km (0.08 R)
• M9: 4,134,736 km (0.06 R)
• M10: 4,987,892 km (0.111 R)
• M11: 5,561,600 km (0.109 R)
• M12: 5,995,135 km (0.082 R)
• M13: 6,515,137 km (0.038 R)
• M14: 6,930,421 km (0.103 R)
• M15: 7,409,882 km (0.119 R)
• M16: 8,034,154 km (0.071 R)
• M17: 9,062,938 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.2

Radius: 13.7

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.42 AU - 3.18 AU

Year: 3234 Days

Day: 8.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,726,932 km

• M1: 170,990 km (0.09 R)
• M2: 1,146,967 km (0.103 R)
• M3: 1,730,249 km (0.056 R)
• M4: 2,747,664 km (0.066 R)
• M5: 6,751,502 km (0.116 R)
• M6: 7,556,488 km (0.108 R)
• M7: 9,267,887 km (0.115 R)
• M8: 10,753,245 km (0.108 R)
• M9: 11,327,850 km (0.039 R)
• M10: 12,066,115 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.7

Radius: 10.7

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.59 AU - 3.29 AU

Year: 3480 Days

Day: 6.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,726,932 km

• M1: 136,134 km (0.088 R)
• M2: 638,484 km (0.079 R)
• M3: 1,220,419 km (0.084 R)
• M4: 1,759,570 km (0.118 R)
• M5: 2,147,477 km (0.116 R)
• M6: 2,905,789 km (0.1 R)
• M7: 4,378,430 km (0.12 R)
• M8: 7,377,569 km (0.115 R)
• M9: 8,469,483 km (0.111 R)
• M10: 14,231,844 km (0.106 R)
• M11: 14,693,204 km (0.119 R)
• M12: 16,082,369 km (0.109 R)
• M13: 17,850,916 km (0.097 R)
• M14: 18,874,015 km (0.079 R)
• M15: 23,930,573 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.9

Radius: 11.9

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.84 AU - 4.02 AU

Year: 5378 Days

Day: 14 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,726,932 km

• M1: 150,795 km (0.092 R)
• M2: 556,354 km (0.104 R)
• M3: 1,051,075 km (0.071 R)
• M4: 1,499,120 km (0.068 R)
• M5: 1,901,987 km (0.065 R)
• M6: 2,986,422 km (0.098 R)
• M7: 5,318,503 km (0.096 R)
• M8: 5,754,432 km (0.119 R)
• M9: 6,422,985 km (0.083 R)
• M10: 7,640,711 km (0.085 R)
• M11: 8,304,477 km (0.093 R)
• M12: 9,006,390 km (0.107 R)
• M13: 9,391,605 km (0.105 R)
• M14: 9,787,590 km (0.098 R)
• M15: 10,571,034 km (0.11 R)
• M16: 12,263,136 km (0.052 R)
• M17: 12,833,104 km (0.116 R)
• M18: 15,730,366 km (0.071 R)
• M19: 16,233,613 km (0.092 R)
• M20: 18,110,468 km (0.031 R)
• M21: 22,571,776 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.8

Radius: 7.3

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.86 AU - 6.8 AU

Year: 9717 Days

Day: 21.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,726,932 km

• M1: 90,806 km (0.099 R)
• M2: 437,723 km (0.087 R)
• M3: 673,340 km (0.114 R)
• M4: 1,356,703 km (0.069 R)
• M5: 1,659,340 km (0.094 R)
• M6: 2,213,450 km (0.054 R)
• M7: 2,903,096 km (0.067 R)
• M8: 3,267,816 km (0.107 R)
• M9: 3,534,698 km (0.116 R)
• M10: 3,816,092 km (0.113 R)
• M11: 5,802,303 km (0.11 R)
• M12: 7,728,525 km (0.115 R)
• M13: 9,254,573 km (0.049 R)
• M14: 10,971,358 km (0.119 R)
• M15: 15,475,451 km (0.099 R)
• M16: 15,705,383 km (0.064 R)
• M17: 18,195,290 km (0.025 R)
• M18: 22,515,676 km (0.115 R)
• M19: 23,865,348 km (0.113 R)
• M20: 25,507,035 km (0.109 R)
• M21: 28,322,467 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.6

Radius: 6.5

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.96 AU - 9.74 AU

Year: 16655 Days

Day: 24.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,726,932 km

• M1: 100,979 km (0.094 R)
• M2: 352,752 km (0.091 R)
• M3: 688,898 km (0.108 R)
• M4: 3,245,825 km (0.12 R)
• M5: 3,963,446 km (0.114 R)
• M6: 4,879,583 km (0.111 R)
• M7: 7,164,840 km (0.088 R)
• M8: 12,188,038 km (0.067 R)
• M9: 13,900,185 km (0.109 R)
• M10: 17,793,919 km (0.091 R)
• M11: 19,073,878 km (0.053 R)
• M12: 21,282,840 km (0.104 R)
• M13: 23,562,413 km (0.078 R)
• M14: 23,846,499 km (0.085 R)
• M15: 24,615,133 km (0.041 R)
• M16: 34,190,444 km (0.072 R)
• M17: 42,672,194 km (0.079 R)
• M18: 43,235,580 km (0.044 R)
• M19: 46,721,210 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.3

Radius: 3.9

Gravity: 33.29 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.01 AU - 11.29 AU

Year: 19105 Days

Day: 20.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,726,932 km

• M1: 48,769 km (0.116 R)
• M2: 376,089 km (0.026 R)
• M3: 701,913 km (0.107 R)
• M4: 924,964 km (0.058 R)
• M5: 2,015,831 km (0.107 R)
• M6: 2,152,564 km (0.096 R)
• M7: 2,981,486 km (0.048 R)
• M8: 3,107,896 km (0.105 R)
• M9: 3,290,854 km (0.058 R)
• M10: 8,635,836 km (0.071 R)
• M11: 9,103,180 km (0.101 R)
• M12: 9,370,063 km (0.101 R)
• M13: 9,587,279 km (0.099 R)
• M14: 12,592,850 km (0.076 R)
• M15: 13,604,131 km (0.116 R)
• M16: 17,202,110 km (0.079 R)
• M17: 18,024,150 km (0.104 R)
• M18: 19,480,934 km (0.111 R)
• M19: 21,199,813 km (0.049 R)
• M20: 24,936,020 km (0.069 R)
• M21: 26,632,460 km (0.101 R)
• M22: 27,287,848 km (0.077 R)
• M23: 28,744,782 km (0.052 R)
• M24: 30,966,310 km (0.108 R)
• M25: 31,934,957 km (0.082 R)
• M26: 36,544,516 km (0.118 R)
• M27: 36,812,894 km (0.099 R)
• M28: 37,082,470 km (0.116 R)
• M29: 42,905,118 km (0.083 R)
• M30: 43,503,809 km (0.041 R)
• M31: 53,508,914 km (0.075 R)
• M32: 56,677,098 km (0.112 R)
• M33: 57,397,711 km (0.061 R)
• M34: 58,673,332 km (0.068 R)
• M35: 66,128,692 km (0.031 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: 289 - 17,034 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit