🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.5

Radius: 10.3

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.5 AU - 0.66 AU

Year: 310 Days

Day: 8.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,446,837 km

• M1: 128,205 km (0.025 R)
• M2: 506,688 km (0.116 R)
• M3: 976,724 km (0.047 R)
• M4: 1,520,962 km (0.113 R)
• M5: 2,050,688 km (0.073 R)
• M6: 2,580,114 km (0.114 R)
• M7: 2,912,371 km (0.064 R)
• M8: 3,273,351 km (0.066 R)
• M9: 3,675,769 km (0.064 R)
• M10: 4,354,794 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.7

Radius: 11.5

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.06 AU - 1.12 AU

Year: 800 Days

Day: 7 Hours

Environment

Temp: -182 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,446,837 km

• M1: 143,165 km (0.096 R)
• M2: 618,886 km (0.078 R)
• M3: 1,000,959 km (0.083 R)
• M4: 1,501,663 km (0.108 R)
• M5: 2,034,381 km (0.075 R)
• M6: 2,875,720 km (0.103 R)
• M7: 3,272,005 km (0.118 R)
• M8: 4,206,692 km (0.098 R)
• M9: 4,940,470 km (0.116 R)
• M10: 5,494,131 km (0.085 R)
• M11: 5,931,406 km (0.086 R)
• M12: 6,453,652 km (0.116 R)
• M13: 6,876,117 km (0.075 R)
• M14: 7,407,488 km (0.108 R)
• M15: 7,847,306 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.1

Radius: 14.5

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.28 AU - 1.88 AU

Year: 1396 Days

Day: 5.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,446,837 km

• M1: 180,864 km (0.058 R)
• M2: 659,577 km (0.043 R)
• M3: 1,137,393 km (0.086 R)
• M4: 1,704,369 km (0.091 R)
• M5: 2,626,939 km (0.094 R)
• M6: 3,124,651 km (0.098 R)
• M7: 3,729,176 km (0.091 R)
• M8: 5,361,588 km (0.111 R)
• M9: 6,401,592 km (0.105 R)
• M10: 7,360,066 km (0.094 R)
• M11: 7,910,885 km (0.119 R)
• M12: 8,881,476 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.3

Radius: 14.3

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.24 AU - 3.32 AU

Year: 3258 Days

Day: 8.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,446,837 km

• M1: 178,021 km (0.091 R)
• M2: 661,522 km (0.071 R)
• M3: 1,312,273 km (0.116 R)
• M4: 2,507,410 km (0.099 R)
• M5: 3,018,287 km (0.103 R)
• M6: 4,274,759 km (0.107 R)
• M7: 4,963,657 km (0.106 R)
• M8: 5,623,085 km (0.072 R)
• M9: 7,959,205 km (0.104 R)
• M10: 10,644,786 km (0.09 R)
• M11: 11,661,004 km (0.085 R)
• M12: 20,605,760 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.1

Radius: 13.1

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.52 AU - 3.6 AU

Year: 3763 Days

Day: 8.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,446,837 km

• M1: 174,880 km (0.114 R)
• M2: 821,143 km (0.034 R)
• M3: 1,229,096 km (0.102 R)
• M4: 2,158,996 km (0.062 R)
• M5: 2,936,606 km (0.085 R)
• M6: 3,976,910 km (0.086 R)
• M7: 4,479,559 km (0.044 R)
• M8: 6,219,382 km (0.073 R)
• M9: 6,960,939 km (0.101 R)
• M10: 7,433,518 km (0.071 R)
• M11: 8,063,026 km (0.062 R)
• M12: 12,295,449 km (0.051 R)
• M13: 15,014,839 km (0.084 R)
• M14: 16,294,798 km (0.05 R)
• M15: 20,316,288 km (0.094 R)
• M16: 21,482,404 km (0.111 R)
• M17: 22,081,992 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.4

Radius: 9.8

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.1 AU - 3.84 AU

Year: 4544 Days

Day: 10.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,446,837 km

• M1: 121,922 km (0.111 R)
• M2: 509,680 km (0.112 R)
• M3: 969,993 km (0.067 R)
• M4: 1,721,871 km (0.048 R)
• M5: 2,676,007 km (0.093 R)
• M6: 3,391,234 km (0.115 R)
• M7: 4,708,443 km (0.094 R)
• M8: 5,352,163 km (0.087 R)
• M9: 5,668,413 km (0.119 R)
• M10: 6,252,293 km (0.066 R)
• M11: 7,218,696 km (0.077 R)
• M12: 9,107,668 km (0.092 R)
• M13: 11,521,130 km (0.085 R)
• M14: 13,016,062 km (0.049 R)
• M15: 16,442,003 km (0.06 R)
• M16: 18,751,046 km (0.099 R)
• M17: 19,857,472 km (0.092 R)
• M18: 21,664,165 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.5

Radius: 14.6

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.59 AU - 5.45 AU

Year: 7906 Days

Day: 14.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,446,837 km

• M1: 181,612 km (0.108 R)
• M2: 748,887 km (0.025 R)
• M3: 1,263,653 km (0.062 R)
• M4: 1,851,274 km (0.104 R)
• M5: 2,331,632 km (0.077 R)
• M6: 3,315,538 km (0.099 R)
• M7: 3,776,149 km (0.11 R)
• M8: 6,068,438 km (0.108 R)
• M9: 6,660,995 km (0.1 R)
• M10: 7,622,610 km (0.111 R)
• M11: 9,689,604 km (0.11 R)
• M12: 10,594,521 km (0.079 R)
• M13: 12,730,928 km (0.1 R)
• M14: 13,761,059 km (0.077 R)
• M15: 15,022,618 km (0.102 R)
• M16: 15,987,674 km (0.052 R)
• M17: 16,801,786 km (0.091 R)
• M18: 17,709,396 km (0.079 R)
• M19: 20,337,831 km (0.096 R)
• M20: 22,511,787 km (0.03 R)
• M21: 24,588,953 km (0.095 R)
• M22: 25,253,018 km (0.11 R)
• M23: 26,704,118 km (0.07 R)
• M24: 28,390,833 km (0.104 R)
• M25: 30,717,230 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.4

Radius: 5.2

Gravity: 35.63 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.47 AU - 6.21 AU

Year: 9920 Days

Day: 21.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,446,837 km

• M1: 73,004 km (0.059 R)
• M2: 304,282 km (0.086 R)
• M3: 504,444 km (0.1 R)
• M4: 939,026 km (0.095 R)
• M5: 1,103,135 km (0.056 R)
• M6: 1,476,531 km (0.089 R)
• M7: 2,017,178 km (0.056 R)
• M8: 2,492,151 km (0.111 R)
• M9: 2,992,257 km (0.075 R)
• M10: 4,486,739 km (0.098 R)
• M11: 5,818,908 km (0.062 R)
• M12: 6,039,266 km (0.092 R)
• M13: 7,142,102 km (0.109 R)
• M14: 8,234,764 km (0.102 R)
• M15: 8,701,510 km (0.094 R)
• M16: 9,284,642 km (0.061 R)
• M17: 9,893,506 km (0.086 R)
• M18: 10,260,768 km (0.043 R)
• M19: 12,965,797 km (0.102 R)
• M20: 13,278,905 km (0.098 R)
• M21: 14,314,871 km (0.041 R)
• M22: 20,061,972 km (0.087 R)
• M23: 22,844,492 km (0.08 R)
• M24: 23,209,362 km (0.043 R)
• M25: 24,233,060 km (0.054 R)
• M26: 25,676,979 km (0.116 R)
• M27: 26,170,801 km (0.075 R)
• M28: 26,872,714 km (0.107 R)
• M29: 27,897,161 km (0.108 R)
• M30: 29,590,010 km (0.09 R)
• M31: 33,062,326 km (0.087 R)
• M32: 37,172,528 km (0.095 R)
• M33: 39,219,326 km (0.09 R)
• M34: 42,018,302 km (0.094 R)
• M35: 43,396,697 km (0.05 R)
• M36: 47,712,595 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.6

Radius: 4.3

Gravity: 27.78 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.67 AU - 8.55 AU

Year: 14757 Days

Day: 16.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,446,837 km

• M1: 53,406 km (0.103 R)
• M2: 211,531 km (0.099 R)
• M3: 355,744 km (0.077 R)
• M4: 553,662 km (0.103 R)
• M5: 730,636 km (0.106 R)
• M6: 977,472 km (0.117 R)
• M7: 1,226,254 km (0.068 R)
• M8: 1,372,560 km (0.1 R)
• M9: 2,640,702 km (0.054 R)
• M10: 5,260,759 km (0.106 R)
• M11: 5,470,794 km (0.068 R)
• M12: 6,687,474 km (0.053 R)
• M13: 6,892,722 km (0.114 R)
• M14: 7,890,988 km (0.077 R)
• M15: 9,797,913 km (0.081 R)
• M16: 10,773,440 km (0.114 R)
• M17: 12,112,042 km (0.068 R)
• M18: 12,416,922 km (0.116 R)
• M19: 13,042,391 km (0.079 R)
• M20: 13,234,026 km (0.113 R)
• M21: 17,550,224 km (0.056 R)
• M22: 19,065,052 km (0.085 R)
• M23: 19,229,460 km (0.045 R)
• M24: 19,980,740 km (0.115 R)
• M25: 27,539,622 km (0.056 R)
• M26: 30,691,499 km (0.104 R)
• M27: 32,295,637 km (0.103 R)
• M28: 33,594,595 km (0.068 R)
• M29: 40,750,909 km (0.114 R)
• M30: 45,703,197 km (0.11 R)
• M31: 51,677,088 km (0.103 R)
• M32: 52,156,998 km (0.075 R)
• M33: 54,436,272 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.5

Radius: 5

Gravity: 13.38 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.48 AU - 11.88 AU

Year: 22831 Days

Day: 18.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 79 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,446,837 km

• M1: 62,382 km (0.042 R)
• M2: 355,893 km (0.054 R)
• M3: 633,697 km (0.096 R)
• M4: 1,133,653 km (0.09 R)
• M5: 1,320,800 km (0.117 R)
• M6: 1,792,482 km (0.112 R)
• M7: 2,586,996 km (0.064 R)
• M8: 2,962,786 km (0.089 R)
• M9: 3,347,402 km (0.089 R)
• M10: 6,020,417 km (0.068 R)
• M11: 6,221,177 km (0.117 R)
• M12: 10,130,768 km (0.042 R)
• M13: 11,606,401 km (0.04 R)
• M14: 14,326,988 km (0.101 R)
• M15: 18,184,668 km (0.099 R)
• M16: 18,351,919 km (0.032 R)
• M17: 19,377,412 km (0.099 R)
• M18: 21,541,645 km (0.088 R)
• M19: 21,823,038 km (0.107 R)
• M20: 24,568,758 km (0.09 R)
• M21: 26,881,092 km (0.101 R)
• M22: 27,756,838 km (0.076 R)
• M23: 34,170,697 km (0.108 R)
• M24: 44,316,873 km (0.113 R)
• M25: 48,205,819 km (0.084 R)
• M26: 55,240,809 km (0.093 R)
• M27: 59,552,668 km (0.106 R)
• M28: 63,504,895 km (0.093 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 17,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit