🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.7

Radius: 9.7

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.08 AU - 1.14 AU

Year: 767 Days

Day: 6.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,799,791 km

• M1: 120,576 km (0.115 R)
• M2: 448,794 km (0.075 R)
• M3: 752,028 km (0.072 R)
• M4: 1,524,552 km (0.11 R)
• M5: 1,916,498 km (0.101 R)
• M6: 2,464,475 km (0.026 R)
• M7: 2,831,439 km (0.096 R)
• M8: 3,262,131 km (0.103 R)
• M9: 3,706,138 km (0.085 R)
• M10: 4,804,784 km (0.119 R)
• M11: 6,128,875 km (0.119 R)
• M12: 7,199,846 km (0.081 R)
• M13: 7,607,800 km (0.118 R)
• M14: 8,339,184 km (0.069 R)
• M15: 9,172,145 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.7

Radius: 8.5

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.43 AU - 1.91 AU

Year: 1416 Days

Day: 7.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,799,791 km

• M1: 105,766 km (0.047 R)
• M2: 390,899 km (0.077 R)
• M3: 656,435 km (0.111 R)
• M4: 1,071,570 km (0.088 R)
• M5: 1,715,588 km (0.034 R)
• M6: 2,083,300 km (0.114 R)
• M7: 3,068,552 km (0.095 R)
• M8: 3,365,653 km (0.047 R)
• M9: 3,963,745 km (0.032 R)
• M10: 4,433,034 km (0.118 R)
• M11: 4,855,348 km (0.083 R)
• M12: 5,393,003 km (0.113 R)
• M13: 6,162,684 km (0.111 R)
• M14: 6,845,449 km (0.026 R)
• M15: 7,218,845 km (0.068 R)
• M16: 8,182,405 km (0.094 R)
• M17: 9,520,857 km (0.105 R)
• M18: 10,328,387 km (0.073 R)
• M19: 11,107,941 km (0.071 R)
• M20: 11,888,244 km (0.045 R)
• M21: 14,104,835 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.3

Radius: 13.9

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.69 AU - 1.93 AU

Year: 1597 Days

Day: 6 Hours

Environment

Temp: -178 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,799,791 km

• M1: 172,935 km (0.098 R)
• M2: 611,855 km (0.109 R)
• M3: 1,308,832 km (0.058 R)
• M4: 1,950,756 km (0.053 R)
• M5: 2,769,505 km (0.109 R)
• M6: 3,581,074 km (0.106 R)
• M7: 5,515,673 km (0.111 R)
• M8: 7,489,169 km (0.106 R)
• M9: 7,922,703 km (0.117 R)
• M10: 8,872,650 km (0.102 R)
• M11: 10,634,913 km (0.034 R)
• M12: 11,446,930 km (0.069 R)
• M13: 12,220,500 km (0.056 R)
• M14: 12,701,308 km (0.096 R)
• M15: 15,251,952 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.7

Radius: 12.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.7 AU - 2.22 AU

Year: 1800 Days

Day: 14 Hours

Environment

Temp: -180 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,799,791 km

• M1: 159,322 km (0.118 R)
• M2: 896,091 km (0.111 R)
• M3: 1,323,193 km (0.078 R)
• M4: 1,879,996 km (0.089 R)
• M5: 2,320,562 km (0.085 R)
• M6: 2,883,050 km (0.091 R)
• M7: 3,979,303 km (0.033 R)
• M8: 4,407,303 km (0.052 R)
• M9: 5,116,995 km (0.053 R)
• M10: 6,098,956 km (0.054 R)
• M11: 6,600,108 km (0.118 R)
• M12: 7,352,735 km (0.074 R)
• M13: 8,108,055 km (0.081 R)
• M14: 8,518,701 km (0.117 R)
• M15: 9,531,180 km (0.101 R)
• M16: 9,957,982 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.3

Radius: 8

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.37 AU - 2.43 AU

Year: 2439 Days

Day: 9.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,799,791 km

• M1: 101,727 km (0.105 R)
• M2: 611,257 km (0.049 R)
• M3: 1,168,958 km (0.108 R)
• M4: 2,555,281 km (0.116 R)
• M5: 2,963,085 km (0.101 R)
• M6: 3,413,524 km (0.083 R)
• M7: 4,021,191 km (0.103 R)
• M8: 4,762,299 km (0.117 R)
• M9: 5,131,955 km (0.115 R)
• M10: 9,140,430 km (0.038 R)
• M11: 11,039,276 km (0.105 R)
• M12: 11,379,611 km (0.088 R)
• M13: 15,039,523 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.9

Radius: 8.3

Gravity: 12.6 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.64 AU - 2.86 AU

Year: 2992 Days

Day: 8.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 101.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,799,791 km

• M1: 103,223 km (0.089 R)
• M2: 366,365 km (0.055 R)
• M3: 903,422 km (0.116 R)
• M4: 1,926,821 km (0.091 R)
• M5: 2,221,977 km (0.071 R)
• M6: 3,077,827 km (0.053 R)
• M7: 5,142,277 km (0.093 R)
• M8: 7,018,982 km (0.055 R)
• M9: 7,559,779 km (0.028 R)
• M10: 9,847,429 km (0.099 R)
• M11: 10,771,645 km (0.029 R)
• M12: 12,197,163 km (0.096 R)
• M13: 16,441,105 km (0.032 R)
• M14: 19,043,659 km (0.103 R)
• M15: 19,533,443 km (0.056 R)
• M16: 19,968,922 km (0.064 R)
• M17: 21,511,276 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984

Radius: 11.8

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.75 AU - 2.97 AU

Year: 3173 Days

Day: 14.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,799,791 km

• M1: 146,756 km (0.1 R)
• M2: 528,230 km (0.065 R)
• M3: 1,078,750 km (0.118 R)
• M4: 1,934,450 km (0.099 R)
• M5: 2,350,931 km (0.115 R)
• M6: 3,292,200 km (0.101 R)
• M7: 3,849,602 km (0.09 R)
• M8: 4,469,236 km (0.056 R)
• M9: 5,362,635 km (0.099 R)
• M10: 5,936,642 km (0.097 R)
• M11: 6,858,614 km (0.117 R)
• M12: 7,771,310 km (0.12 R)
• M13: 8,507,481 km (0.075 R)
• M14: 10,282,610 km (0.07 R)
• M15: 11,040,472 km (0.109 R)
• M16: 11,655,320 km (0.111 R)
• M17: 13,049,721 km (0.082 R)
• M18: 15,945,787 km (0.095 R)
• M19: 16,561,232 km (0.112 R)
• M20: 17,959,075 km (0.113 R)
• M21: 18,686,868 km (0.079 R)
• M22: 19,943,341 km (0.069 R)
• M23: 21,188,594 km (0.119 R)
• M24: 22,138,690 km (0.094 R)
• M25: 24,123,853 km (0.053 R)
• M26: 24,860,773 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.7

Radius: 14.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.67 AU - 4.33 AU

Year: 5248 Days

Day: 14.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,799,791 km

• M1: 184,305 km (0.11 R)
• M2: 747,989 km (0.115 R)
• M3: 1,787,246 km (0.028 R)
• M4: 2,316,373 km (0.111 R)
• M5: 2,845,950 km (0.102 R)
• M6: 3,320,026 km (0.108 R)
• M7: 3,826,115 km (0.093 R)
• M8: 5,124,774 km (0.118 R)
• M9: 5,890,715 km (0.115 R)
• M10: 6,514,239 km (0.114 R)
• M11: 8,766,734 km (0.064 R)
• M12: 10,920,495 km (0.088 R)
• M13: 11,544,019 km (0.1 R)
• M14: 12,097,232 km (0.099 R)
• M15: 14,437,242 km (0.07 R)
• M16: 14,917,600 km (0.115 R)
• M17: 18,963,924 km (0.069 R)
• M18: 20,864,714 km (0.117 R)
• M19: 26,683,323 km (0.028 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.2

Radius: 7.4

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.06 AU - 6.76 AU

Year: 10646 Days

Day: 19.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,799,791 km

• M1: 95,593 km (0.098 R)
• M2: 369,208 km (0.113 R)
• M3: 617,989 km (0.1 R)
• M4: 882,179 km (0.048 R)
• M5: 1,326,784 km (0.114 R)
• M6: 1,594,265 km (0.062 R)
• M7: 2,188,318 km (0.065 R)
• M8: 2,602,853 km (0.065 R)
• M9: 3,401,706 km (0.073 R)
• M10: 4,299,892 km (0.092 R)
• M11: 8,101,622 km (0.075 R)
• M12: 9,003,548 km (0.043 R)
• M13: 9,548,084 km (0.119 R)
• M14: 12,001,639 km (0.097 R)
• M15: 14,172,603 km (0.093 R)
• M16: 17,899,984 km (0.104 R)
• M17: 19,647,885 km (0.118 R)
• M18: 20,640,916 km (0.119 R)
• M19: 22,151,555 km (0.058 R)
• M20: 27,876,965 km (0.094 R)
• M21: 28,162,697 km (0.103 R)
• M22: 30,318,552 km (0.099 R)
• M23: 33,754,964 km (0.06 R)
• M24: 34,079,741 km (0.112 R)
• M25: 38,375,295 km (0.026 R)
• M26: 39,084,987 km (0.075 R)
• M27: 41,143,154 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.5

Radius: 7.1

Gravity: 16.57 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 9.28 AU - 12.52 AU

Year: 23607 Days

Day: 16.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 90,799,791 km

• M1: 89,160 km (0.061 R)
• M2: 370,554 km (0.109 R)
• M3: 803,191 km (0.098 R)
• M4: 1,342,342 km (0.108 R)
• M5: 1,701,077 km (0.068 R)
• M6: 1,934,001 km (0.107 R)
• M7: 2,393,416 km (0.108 R)
• M8: 3,116,872 km (0.101 R)
• M9: 4,757,960 km (0.114 R)
• M10: 6,069,784 km (0.077 R)
• M11: 6,340,257 km (0.039 R)
• M12: 7,101,112 km (0.066 R)
• M13: 9,150,154 km (0.085 R)
• M14: 9,626,922 km (0.117 R)
• M15: 11,632,581 km (0.113 R)
• M16: 13,065,130 km (0.06 R)
• M17: 16,976,067 km (0.099 R)
• M18: 17,604,677 km (0.058 R)
• M19: 17,970,893 km (0.094 R)
• M20: 30,803,997 km (0.088 R)
• M21: 31,069,234 km (0.091 R)
• M22: 32,968,229 km (0.065 R)
• M23: 40,699,597 km (0.04 R)
• M24: 45,667,144 km (0.04 R)
• M25: 51,024,243 km (0.05 R)
• M26: 56,586,741 km (0.065 R)
• M27: 60,442,177 km (0.09 R)
• M28: 65,339,114 km (0.025 R)
• M29: 76,397,688 km (0.11 R)
• M30: 77,371,869 km (0.082 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 15,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit