🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.5

Radius: 13.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.57 AU - 0.95 AU

Year: 428 Days

Day: 14.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,382,632 km

• M1: 165,455 km (0.07 R)
• M2: 787,034 km (0.056 R)
• M3: 1,385,426 km (0.109 R)
• M4: 1,882,988 km (0.101 R)
• M5: 2,862,555 km (0.106 R)
• M6: 3,416,815 km (0.076 R)
• M7: 3,854,389 km (0.09 R)
• M8: 4,276,106 km (0.069 R)
• M9: 5,018,859 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.5

Radius: 8.2

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.94 AU - 1.22 AU

Year: 725 Days

Day: 14.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,382,632 km

• M1: 102,026 km (0.055 R)
• M2: 394,639 km (0.106 R)
• M3: 678,426 km (0.092 R)
• M4: 983,456 km (0.12 R)
• M5: 1,453,343 km (0.111 R)
• M6: 1,794,726 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.8

Radius: 8.9

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.03 AU - 1.25 AU

Year: 786 Days

Day: 6.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,382,632 km

• M1: 110,702 km (0.115 R)
• M2: 452,234 km (0.1 R)
• M3: 756,965 km (0.101 R)
• M4: 1,312,422 km (0.103 R)
• M5: 1,713,494 km (0.086 R)
• M6: 4,211,330 km (0.035 R)
• M7: 4,549,570 km (0.066 R)
• M8: 4,972,484 km (0.099 R)
• M9: 5,656,146 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.5

Radius: 13.3

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.17 AU - 1.39 AU

Year: 935 Days

Day: 6.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,382,632 km

• M1: 165,455 km (0.1 R)
• M2: 667,207 km (0.11 R)
• M3: 1,542,354 km (0.07 R)
• M4: 2,567,548 km (0.093 R)
• M5: 3,264,226 km (0.055 R)
• M6: 4,179,765 km (0.112 R)
• M7: 4,646,360 km (0.074 R)
• M8: 6,583,952 km (0.091 R)
• M9: 7,010,156 km (0.104 R)
• M10: 7,968,480 km (0.072 R)
• M11: 8,479,507 km (0.031 R)
• M12: 8,957,920 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.5

Radius: 11.2

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.61 AU - 2.49 AU

Year: 1895 Days

Day: 15 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,382,632 km

• M1: 139,575 km (0.107 R)
• M2: 516,861 km (0.109 R)
• M3: 1,092,513 km (0.091 R)
• M4: 1,600,847 km (0.056 R)
• M5: 2,126,683 km (0.102 R)
• M6: 2,493,348 km (0.072 R)
• M7: 3,544,722 km (0.115 R)
• M8: 4,135,484 km (0.055 R)
• M9: 5,342,888 km (0.054 R)
• M10: 5,734,086 km (0.112 R)
• M11: 6,167,771 km (0.104 R)
• M12: 7,362,010 km (0.099 R)
• M13: 8,440,910 km (0.058 R)
• M14: 8,913,041 km (0.073 R)
• M15: 10,007,200 km (0.117 R)
• M16: 10,502,668 km (0.11 R)
• M17: 11,188,724 km (0.115 R)
• M18: 11,941,052 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.2

Radius: 14.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.79 AU - 3.59 AU

Year: 3679 Days

Day: 9.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,382,632 km

• M1: 183,557 km (0.072 R)
• M2: 723,455 km (0.114 R)
• M3: 1,317,209 km (0.041 R)
• M4: 2,208,065 km (0.033 R)
• M5: 2,725,374 km (0.045 R)
• M6: 3,435,216 km (0.09 R)
• M7: 3,906,300 km (0.099 R)
• M8: 6,074,571 km (0.081 R)
• M9: 7,073,137 km (0.104 R)
• M10: 7,677,363 km (0.07 R)
• M11: 8,212,774 km (0.061 R)
• M12: 9,661,330 km (0.104 R)
• M13: 13,249,285 km (0.1 R)
• M14: 14,620,649 km (0.111 R)
• M15: 15,288,753 km (0.093 R)
• M16: 16,030,758 km (0.071 R)
• M17: 18,108,074 km (0.06 R)
• M18: 19,548,253 km (0.05 R)
• M19: 22,317,459 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.3

Radius: 10.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.12 AU - 3.42 AU

Year: 3818 Days

Day: 14.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 171.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,382,632 km

• M1: 131,796 km (0.103 R)
• M2: 624,721 km (0.078 R)
• M3: 968,646 km (0.113 R)
• M4: 1,345,782 km (0.108 R)
• M5: 1,833,023 km (0.108 R)
• M6: 3,887,899 km (0.094 R)
• M7: 4,287,924 km (0.085 R)
• M8: 4,694,381 km (0.104 R)
• M9: 5,261,357 km (0.088 R)
• M10: 5,752,188 km (0.083 R)
• M11: 6,096,263 km (0.113 R)
• M12: 8,028,170 km (0.111 R)
• M13: 9,133,548 km (0.113 R)
• M14: 11,489,864 km (0.045 R)
• M15: 11,958,255 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.7

Radius: 14.3

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.87 AU - 6.09 AU

Year: 7176 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,382,632 km

• M1: 177,872 km (0.116 R)
• M2: 1,164,769 km (0.084 R)
• M3: 1,749,846 km (0.099 R)
• M4: 2,738,688 km (0.117 R)
• M5: 3,895,678 km (0.111 R)
• M6: 4,991,034 km (0.101 R)
• M7: 6,821,214 km (0.118 R)
• M8: 10,087,534 km (0.104 R)
• M9: 13,502,255 km (0.076 R)
• M10: 14,898,452 km (0.11 R)
• M11: 16,793,558 km (0.061 R)
• M12: 22,186,561 km (0.112 R)
• M13: 23,270,098 km (0.082 R)
• M14: 24,476,156 km (0.095 R)
• M15: 25,905,115 km (0.116 R)
• M16: 26,362,885 km (0.09 R)
• M17: 35,895,261 km (0.047 R)
• M18: 36,464,631 km (0.101 R)
• M19: 38,921,925 km (0.087 R)
• M20: 40,497,340 km (0.088 R)
• M21: 40,990,565 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.4

Radius: 3.7

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.97 AU - 8.95 AU

Year: 13156 Days

Day: 17.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 119 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,382,632 km

• M1: 46,076 km (0.067 R)
• M2: 258,804 km (0.077 R)
• M3: 625,917 km (0.098 R)
• M4: 1,119,890 km (0.113 R)
• M5: 1,273,527 km (0.052 R)
• M6: 1,610,122 km (0.101 R)
• M7: 3,164,593 km (0.099 R)
• M8: 3,450,624 km (0.098 R)
• M9: 4,998,214 km (0.108 R)
• M10: 5,825,341 km (0.06 R)
• M11: 6,087,137 km (0.055 R)
• M12: 6,669,073 km (0.103 R)
• M13: 6,919,201 km (0.061 R)
• M14: 7,101,710 km (0.109 R)
• M15: 7,785,223 km (0.11 R)
• M16: 7,942,899 km (0.097 R)
• M17: 8,511,670 km (0.08 R)
• M18: 11,158,505 km (0.071 R)
• M19: 11,460,244 km (0.09 R)
• M20: 11,975,010 km (0.11 R)
• M21: 13,956,434 km (0.102 R)
• M22: 14,842,802 km (0.045 R)
• M23: 18,275,175 km (0.055 R)
• M24: 20,137,220 km (0.057 R)
• M25: 20,509,270 km (0.116 R)
• M26: 20,810,261 km (0.088 R)
• M27: 22,677,990 km (0.104 R)
• M28: 23,161,790 km (0.074 R)
• M29: 25,858,890 km (0.076 R)
• M30: 27,829,841 km (0.089 R)
• M31: 28,013,847 km (0.067 R)
• M32: 36,276,137 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.7

Radius: 3.8

Gravity: 51.5 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.57 AU - 8.67 AU

Year: 14940 Days

Day: 18.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,382,632 km

• M1: 47,273 km (0.107 R)
• M2: 320,738 km (0.052 R)
• M3: 970,441 km (0.104 R)
• M4: 1,089,072 km (0.071 R)
• M5: 2,155,406 km (0.053 R)
• M6: 2,758,585 km (0.087 R)
• M7: 3,227,424 km (0.081 R)
• M8: 3,549,658 km (0.086 R)
• M9: 4,042,434 km (0.066 R)
• M10: 5,020,953 km (0.083 R)
• M11: 5,234,130 km (0.12 R)
• M12: 6,027,897 km (0.089 R)
• M13: 6,985,772 km (0.056 R)
• M14: 7,296,487 km (0.058 R)
• M15: 8,581,383 km (0.102 R)
• M16: 9,041,247 km (0.09 R)
• M17: 10,461,828 km (0.105 R)
• M18: 11,774,549 km (0.098 R)
• M19: 12,664,956 km (0.057 R)
• M20: 16,598,183 km (0.108 R)
• M21: 17,071,062 km (0.117 R)
• M22: 18,543,404 km (0.049 R)
• M23: 19,658,058 km (0.114 R)
• M24: 20,009,762 km (0.088 R)
• M25: 23,366,739 km (0.046 R)
• M26: 26,649,514 km (0.068 R)
• M27: 30,226,848 km (0.049 R)
• M28: 31,168,567 km (0.085 R)
• M29: 33,859,234 km (0.114 R)
• M30: 34,237,717 km (0.089 R)
• M31: 38,043,038 km (0.068 R)
• M32: 39,696,842 km (0.099 R)
• M33: 43,890,070 km (0.102 R)
• M34: 48,368,881 km (0.12 R)
• M35: 56,082,297 km (0.094 R)
• M36: 61,530,801 km (0.09 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: 198 - 18,964 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit