🌌 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: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.6

Radius: 11.3

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.68 AU - 0.82 AU

Year: 448 Days

Day: 9.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,555,852 km

• M1: 141,520 km (0.063 R)
• M2: 674,088 km (0.097 R)
• M3: 1,047,185 km (0.078 R)
• M4: 1,661,733 km (0.044 R)
• M5: 3,191,222 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.8

Radius: 11.1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.73 AU - 1.19 AU

Year: 649 Days

Day: 11.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,555,852 km

• M1: 139,126 km (0.057 R)
• M2: 527,033 km (0.113 R)
• M3: 956,678 km (0.05 R)
• M4: 1,373,608 km (0.092 R)
• M5: 1,720,525 km (0.114 R)
• M6: 2,260,274 km (0.109 R)
• M7: 3,784,527 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.2

Radius: 8.4

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.94 AU - 1.04 AU

Year: 680 Days

Day: 10.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,555,852 km

• M1: 104,719 km (0.066 R)
• M2: 380,128 km (0.098 R)
• M3: 717,172 km (0.094 R)
• M4: 1,015,022 km (0.042 R)
• M5: 1,511,836 km (0.109 R)
• M6: 1,924,427 km (0.045 R)
• M7: 2,319,216 km (0.093 R)
• M8: 2,722,232 km (0.095 R)
• M9: 3,297,735 km (0.093 R)
• M10: 4,263,988 km (0.1 R)
• M11: 4,608,811 km (0.113 R)
• M12: 4,904,566 km (0.055 R)
• M13: 5,336,455 km (0.05 R)
• M14: 5,774,777 km (0.109 R)
• M15: 6,060,808 km (0.073 R)
• M16: 6,661,444 km (0.12 R)
• M17: 6,933,712 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.3

Radius: 13.2

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.02 AU - 1.64 AU

Year: 1059 Days

Day: 6 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,555,852 km

• M1: 165,306 km (0.102 R)
• M2: 641,775 km (0.096 R)
• M3: 1,085,183 km (0.104 R)
• M4: 1,569,282 km (0.064 R)
• M5: 2,229,158 km (0.109 R)
• M6: 2,712,509 km (0.109 R)
• M7: 3,185,986 km (0.071 R)
• M8: 3,939,660 km (0.116 R)
• M9: 4,635,739 km (0.109 R)
• M10: 5,205,856 km (0.106 R)
• M11: 5,862,741 km (0.104 R)
• M12: 6,359,256 km (0.113 R)
• M13: 7,295,888 km (0.103 R)
• M14: 8,924,411 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.3

Radius: 11.3

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.59 AU - 2.17 AU

Year: 1779 Days

Day: 8.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,555,852 km

• M1: 140,772 km (0.081 R)
• M2: 530,923 km (0.037 R)
• M3: 1,086,380 km (0.075 R)
• M4: 1,895,106 km (0.084 R)
• M5: 2,744,074 km (0.09 R)
• M6: 3,202,442 km (0.088 R)
• M7: 3,595,884 km (0.109 R)
• M8: 4,183,205 km (0.086 R)
• M9: 4,694,232 km (0.056 R)
• M10: 5,728,551 km (0.06 R)
• M11: 6,433,008 km (0.097 R)
• M12: 7,247,269 km (0.113 R)
• M13: 8,715,422 km (0.117 R)
• M14: 10,038,915 km (0.094 R)
• M15: 11,098,666 km (0.097 R)
• M16: 11,969,026 km (0.079 R)
• M17: 12,382,964 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.2

Radius: 12.4

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.65 AU - 3.13 AU

Year: 3391 Days

Day: 8.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,555,852 km

• M1: 154,684 km (0.068 R)
• M2: 668,403 km (0.115 R)
• M3: 1,059,153 km (0.115 R)
• M4: 1,456,036 km (0.112 R)
• M5: 1,980,975 km (0.116 R)
• M6: 2,518,779 km (0.092 R)
• M7: 4,131,893 km (0.069 R)
• M8: 4,966,350 km (0.082 R)
• M9: 6,937,900 km (0.081 R)
• M10: 7,361,113 km (0.084 R)
• M11: 8,045,972 km (0.063 R)
• M12: 9,622,584 km (0.041 R)
• M13: 11,803,122 km (0.099 R)
• M14: 12,407,947 km (0.041 R)
• M15: 13,131,402 km (0.092 R)
• M16: 13,933,845 km (0.066 R)
• M17: 18,016,371 km (0.057 R)
• M18: 18,445,417 km (0.117 R)
• M19: 19,774,146 km (0.097 R)
• M20: 20,165,195 km (0.046 R)
• M21: 21,919,978 km (0.076 R)
• M22: 22,550,533 km (0.117 R)
• M23: 23,049,142 km (0.075 R)
• M24: 25,270,521 km (0.089 R)
• M25: 26,119,639 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.6

Radius: 13.4

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.97 AU - 6.25 AU

Year: 7973 Days

Day: 6.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 37,555,852 km

• M1: 169,644 km (0.071 R)
• M2: 709,692 km (0.106 R)
• M3: 1,238,222 km (0.099 R)
• M4: 2,561,564 km (0.097 R)
• M5: 3,271,855 km (0.028 R)
• M6: 4,084,620 km (0.119 R)
• M7: 4,707,845 km (0.115 R)
• M8: 5,178,181 km (0.098 R)
• M9: 6,111,671 km (0.086 R)
• M10: 8,696,124 km (0.097 R)
• M11: 9,731,192 km (0.086 R)
• M12: 10,206,165 km (0.062 R)
• M13: 11,461,890 km (0.068 R)
• M14: 12,263,285 km (0.073 R)
• M15: 13,505,845 km (0.037 R)
• M16: 17,321,040 km (0.071 R)
• M17: 19,775,043 km (0.115 R)
• M18: 20,231,167 km (0.106 R)
• M19: 20,850,054 km (0.061 R)
• M20: 22,288,886 km (0.092 R)
• M21: 23,452,907 km (0.088 R)
• M22: 24,744,685 km (0.026 R)
• M23: 25,902,123 km (0.037 R)
• M24: 27,002,416 km (0.09 R)
• M25: 28,133,525 km (0.116 R)
• M26: 29,394,186 km (0.101 R)
• M27: 33,617,484 km (0.113 R)
• M28: 38,819,002 km (0.116 R)
• M29: 39,895,957 km (0.058 R)
• M30: 40,992,809 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.3

Radius: 5.4

Gravity: 24.5 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.96 AU - 7.58 AU

Year: 12159 Days

Day: 21.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,555,852 km

• M1: 67,768 km (0.12 R)
• M2: 281,244 km (0.085 R)
• M3: 509,530 km (0.108 R)
• M4: 812,765 km (0.059 R)
• M5: 1,307,485 km (0.09 R)
• M6: 2,338,215 km (0.047 R)
• M7: 2,690,667 km (0.096 R)
• M8: 2,914,167 km (0.071 R)
• M9: 3,991,570 km (0.054 R)
• M10: 4,907,857 km (0.096 R)
• M11: 6,183,478 km (0.106 R)
• M12: 6,376,609 km (0.12 R)
• M13: 8,115,834 km (0.067 R)
• M14: 9,069,221 km (0.081 R)
• M15: 10,746,662 km (0.101 R)
• M16: 12,497,257 km (0.093 R)
• M17: 14,362,144 km (0.087 R)
• M18: 17,921,227 km (0.081 R)
• M19: 23,586,199 km (0.107 R)
• M20: 24,058,479 km (0.077 R)
• M21: 24,633,384 km (0.118 R)
• M22: 26,514,727 km (0.072 R)
• M23: 27,751,003 km (0.053 R)
• M24: 38,272,371 km (0.083 R)
• M25: 47,634,356 km (0.114 R)
• M26: 49,920,809 km (0.096 R)
• M27: 54,546,974 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.6

Radius: 5.7

Gravity: 25.38 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.98 AU - 9.46 AU

Year: 14806 Days

Day: 16.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 37,555,852 km

• M1: 70,909 km (0.108 R)
• M2: 327,021 km (0.107 R)
• M3: 632,649 km (0.113 R)
• M4: 844,779 km (0.115 R)
• M5: 1,446,911 km (0.097 R)
• M6: 1,769,593 km (0.084 R)
• M7: 2,492,301 km (0.077 R)
• M8: 2,764,419 km (0.056 R)
• M9: 3,056,284 km (0.08 R)
• M10: 4,499,006 km (0.111 R)
• M11: 5,940,980 km (0.1 R)
• M12: 6,427,772 km (0.11 R)
• M13: 6,984,575 km (0.073 R)
• M14: 8,541,889 km (0.115 R)
• M15: 9,003,847 km (0.08 R)
• M16: 9,374,551 km (0.093 R)
• M17: 11,815,838 km (0.073 R)
• M18: 14,149,715 km (0.094 R)
• M19: 15,461,987 km (0.115 R)
• M20: 19,882,604 km (0.06 R)
• M21: 24,155,419 km (0.105 R)
• M22: 27,320,610 km (0.109 R)
• M23: 34,075,852 km (0.109 R)
• M24: 42,010,373 km (0.1 R)
• M25: 42,599,041 km (0.112 R)
• M26: 43,193,094 km (0.119 R)
• M27: 43,492,290 km (0.09 R)
• M28: 43,943,477 km (0.11 R)
• M29: 44,246,113 km (0.107 R)
• M30: 45,008,614 km (0.106 R)
• M31: 45,935,073 km (0.062 R)
• M32: 46,403,165 km (0.106 R)
• M33: 46,874,249 km (0.085 R)
• M34: 47,986,060 km (0.04 R)
• M35: 53,809,756 km (0.097 R)
• M36: 58,064,469 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.4

Radius: 3.4

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.41 AU - 9.55 AU

Year: 17045 Days

Day: 16.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,555,852 km

• M1: 44,580 km (0.109 R)
• M2: 179,218 km (0.096 R)
• M3: 337,942 km (0.076 R)
• M4: 1,085,781 km (0.098 R)
• M5: 1,623,286 km (0.063 R)
• M6: 1,749,098 km (0.095 R)
• M7: 3,024,869 km (0.079 R)
• M8: 3,483,536 km (0.078 R)
• M9: 6,989,512 km (0.097 R)
• M10: 8,432,084 km (0.11 R)
• M11: 11,734,008 km (0.085 R)
• M12: 12,099,925 km (0.079 R)
• M13: 14,876,910 km (0.095 R)
• M14: 15,805,165 km (0.12 R)
• M15: 16,509,771 km (0.117 R)
• M16: 17,436,829 km (0.082 R)
• M17: 21,260,251 km (0.113 R)
• M18: 21,569,619 km (0.063 R)
• M19: 25,432,835 km (0.094 R)
• M20: 25,956,876 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 19,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit