🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.52 AU - 0.72 AU

Year: 310 Days

Day: 14 Hours

Environment

Temp: -121 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.9

Radius: 13

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.65 AU - 0.85 AU

Year: 413 Days

Day: 9.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,786,261 km

• M1: 161,715 km (0.112 R)
• M2: 590,612 km (0.113 R)
• M3: 1,142,180 km (0.094 R)
• M4: 1,548,936 km (0.032 R)
• M5: 2,102,149 km (0.088 R)
• M6: 2,552,738 km (0.062 R)
• M7: 3,041,774 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.3

Radius: 13.7

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.89 AU - 0.97 AU

Year: 570 Days

Day: 6.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,786,261 km

• M1: 170,392 km (0.05 R)
• M2: 596,447 km (0.091 R)
• M3: 1,034,320 km (0.098 R)
• M4: 1,469,051 km (0.097 R)
• M5: 2,342,104 km (0.03 R)
• M6: 3,178,207 km (0.1 R)
• M7: 3,969,131 km (0.1 R)
• M8: 4,404,161 km (0.079 R)
• M9: 4,871,206 km (0.105 R)
• M10: 5,717,631 km (0.11 R)
• M11: 6,394,860 km (0.069 R)
• M12: 6,889,880 km (0.108 R)
• M13: 7,726,132 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.4

Radius: 12

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.99 AU - 1.23 AU

Year: 744 Days

Day: 10 Hours

Environment

Temp: -156 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,786,261 km

• M1: 150,795 km (0.118 R)
• M2: 588,219 km (0.106 R)
• M3: 1,067,231 km (0.092 R)
• M4: 1,682,826 km (0.033 R)
• M5: 2,107,086 km (0.043 R)
• M6: 2,976,399 km (0.063 R)
• M7: 3,746,080 km (0.027 R)
• M8: 4,367,061 km (0.054 R)
• M9: 5,180,275 km (0.083 R)
• M10: 5,854,513 km (0.099 R)
• M11: 6,501,972 km (0.092 R)
• M12: 7,264,473 km (0.084 R)
• M13: 7,868,698 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.9

Radius: 8.4

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.61 AU - 1.87 AU

Year: 1459 Days

Day: 10.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,786,261 km

• M1: 104,419 km (0.036 R)
• M2: 441,314 km (0.048 R)
• M3: 805,884 km (0.047 R)
• M4: 1,170,155 km (0.111 R)
• M5: 1,581,698 km (0.099 R)
• M6: 2,004,611 km (0.1 R)
• M7: 2,561,415 km (0.111 R)
• M8: 2,969,518 km (0.118 R)
• M9: 3,303,570 km (0.045 R)
• M10: 4,232,722 km (0.091 R)
• M11: 5,779,115 km (0.111 R)
• M12: 6,234,940 km (0.091 R)
• M13: 6,738,038 km (0.098 R)
• M14: 7,825,016 km (0.106 R)
• M15: 8,114,189 km (0.101 R)
• M16: 9,226,449 km (0.109 R)
• M17: 9,549,430 km (0.032 R)
• M18: 10,691,610 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.2

Radius: 8.4

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.28 AU - 2.5 AU

Year: 2349 Days

Day: 8.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,786,261 km

• M1: 104,719 km (0.066 R)
• M2: 417,528 km (0.07 R)
• M3: 822,938 km (0.047 R)
• M4: 1,120,189 km (0.074 R)
• M5: 1,453,643 km (0.092 R)
• M6: 1,853,218 km (0.099 R)
• M7: 2,287,651 km (0.097 R)
• M8: 3,005,870 km (0.11 R)
• M9: 3,991,421 km (0.103 R)
• M10: 4,479,858 km (0.094 R)
• M11: 4,986,546 km (0.11 R)
• M12: 5,264,947 km (0.056 R)
• M13: 5,782,855 km (0.089 R)
• M14: 6,162,834 km (0.083 R)
• M15: 6,894,218 km (0.115 R)
• M16: 7,823,819 km (0.039 R)
• M17: 8,589,311 km (0.118 R)
• M18: 9,566,185 km (0.113 R)
• M19: 11,965,735 km (0.112 R)
• M20: 12,427,245 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.1

Radius: 9.1

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.86 AU - 5.28 AU

Year: 6212 Days

Day: 12.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,786,261 km

• M1: 127,607 km (0.116 R)
• M2: 835,803 km (0.039 R)
• M3: 1,599,052 km (0.081 R)
• M4: 1,923,081 km (0.086 R)
• M5: 2,419,147 km (0.081 R)
• M6: 2,882,153 km (0.049 R)
• M7: 3,240,589 km (0.104 R)
• M8: 3,745,332 km (0.108 R)
• M9: 6,764,367 km (0.078 R)
• M10: 7,685,591 km (0.107 R)
• M11: 10,273,634 km (0.061 R)
• M12: 10,829,091 km (0.07 R)
• M13: 11,404,594 km (0.078 R)
• M14: 13,960,025 km (0.075 R)
• M15: 21,106,016 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.5

Radius: 4.7

Gravity: 37.78 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.22 AU - 10.42 AU

Year: 18091 Days

Day: 20 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,786,261 km

• M1: 58,942 km (0.118 R)
• M2: 221,554 km (0.106 R)
• M3: 405,859 km (0.054 R)
• M4: 587,620 km (0.067 R)
• M5: 1,988,455 km (0.096 R)
• M6: 2,913,718 km (0.118 R)
• M7: 3,286,815 km (0.076 R)
• M8: 3,874,286 km (0.104 R)
• M9: 4,325,323 km (0.056 R)
• M10: 5,141,080 km (0.118 R)
• M11: 8,353,096 km (0.115 R)
• M12: 10,014,979 km (0.078 R)
• M13: 11,493,904 km (0.086 R)
• M14: 11,753,755 km (0.077 R)
• M15: 17,638,487 km (0.114 R)
• M16: 17,810,823 km (0.116 R)
• M17: 18,158,938 km (0.087 R)
• M18: 24,576,686 km (0.081 R)
• M19: 25,664,562 km (0.118 R)
• M20: 30,214,731 km (0.105 R)
• M21: 32,744,132 km (0.051 R)
• M22: 33,004,581 km (0.089 R)
• M23: 33,927,002 km (0.082 R)
• M24: 36,377,714 km (0.099 R)
• M25: 36,937,809 km (0.054 R)
• M26: 38,363,476 km (0.114 R)
• M27: 39,236,230 km (0.102 R)
• M28: 42,394,989 km (0.091 R)
• M29: 45,719,204 km (0.103 R)
• M30: 49,554,743 km (0.056 R)
• M31: 49,898,071 km (0.086 R)
• M32: 59,391,252 km (0.073 R)
• M33: 68,307,734 km (0.103 R)
• M34: 74,198,150 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.5

Radius: 7.2

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.7 AU - 11.78 AU

Year: 19327 Days

Day: 16.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 84,786,261 km

• M1: 89,609 km (0.034 R)
• M2: 345,571 km (0.101 R)
• M3: 675,883 km (0.101 R)
• M4: 1,335,610 km (0.119 R)
• M5: 1,563,148 km (0.049 R)
• M6: 1,852,470 km (0.101 R)
• M7: 3,697,611 km (0.031 R)
• M8: 4,120,524 km (0.057 R)
• M9: 4,508,281 km (0.075 R)
• M10: 4,991,183 km (0.047 R)
• M11: 7,227,821 km (0.09 R)
• M12: 11,942,398 km (0.07 R)
• M13: 15,153,068 km (0.084 R)
• M14: 15,533,345 km (0.066 R)
• M15: 17,037,253 km (0.102 R)
• M16: 18,205,612 km (0.107 R)
• M17: 20,794,254 km (0.079 R)
• M18: 22,127,470 km (0.108 R)
• M19: 24,648,643 km (0.119 R)
• M20: 24,963,546 km (0.072 R)
• M21: 32,212,012 km (0.085 R)
• M22: 36,244,572 km (0.076 R)
• M23: 37,062,124 km (0.103 R)
• M24: 41,482,891 km (0.117 R)
• M25: 46,242,796 km (0.036 R)
• M26: 46,721,958 km (0.116 R)
• M27: 56,283,805 km (0.12 R)
• M28: 58,489,626 km (0.084 R)
• M29: 61,905,544 km (0.093 R)
• M30: 66,055,987 km (0.115 R)
• M31: 68,302,349 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.5

Radius: 5.1

Gravity: 34.89 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.23 AU - 11.99 AU

Year: 20439 Days

Day: 24.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,786,261 km

• M1: 63,878 km (0.104 R)
• M2: 311,164 km (0.109 R)
• M3: 804,089 km (0.108 R)
• M4: 1,121,386 km (0.078 R)
• M5: 1,518,418 km (0.117 R)
• M6: 2,004,163 km (0.116 R)
• M7: 4,935,982 km (0.119 R)
• M8: 5,404,821 km (0.037 R)
• M9: 7,887,249 km (0.072 R)
• M10: 11,170,323 km (0.085 R)
• M11: 16,938,219 km (0.116 R)
• M12: 18,824,947 km (0.026 R)
• M13: 19,963,537 km (0.105 R)
• M14: 20,747,729 km (0.073 R)
• M15: 25,544,884 km (0.101 R)
• M16: 37,844,970 km (0.059 R)
• M17: 38,893,053 km (0.11 R)
• M18: 42,633,299 km (0.099 R)
• M19: 44,424,883 km (0.057 R)
• M20: 45,423,000 km (0.093 R)
• M21: 48,682,139 km (0.078 R)
• M22: 49,033,993 km (0.098 R)
• M23: 63,278,703 km (0.119 R)
• M24: 67,772,174 km (0.075 R)
• M25: 68,651,510 km (0.048 R)
• M26: 72,244,851 km (0.089 R)
• M27: 78,107,292 km (0.098 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 16,495 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit