🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902

Radius: 12.5

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.13 AU - 1.13 AU

Year: 829 Days

Day: 12.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,481,660 km

• M1: 155,432 km (0.075 R)
• M2: 555,756 km (0.118 R)
• M3: 1,202,767 km (0.1 R)
• M4: 1,986,361 km (0.117 R)
• M5: 2,591,185 km (0.057 R)
• M6: 3,302,523 km (0.111 R)
• M7: 3,735,160 km (0.108 R)
• M8: 4,627,661 km (0.108 R)
• M9: 5,153,048 km (0.07 R)
• M10: 6,216,390 km (0.094 R)
• M11: 7,348,696 km (0.061 R)
• M12: 7,913,727 km (0.087 R)
• M13: 8,667,401 km (0.075 R)
• M14: 9,214,630 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.9

Radius: 14.5

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.15 AU - 1.87 AU

Year: 1281 Days

Day: 9.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,481,660 km

• M1: 180,415 km (0.107 R)
• M2: 728,990 km (0.102 R)
• M3: 1,648,868 km (0.109 R)
• M4: 2,113,968 km (0.064 R)
• M5: 2,655,063 km (0.089 R)
• M6: 3,365,055 km (0.071 R)
• M7: 3,970,028 km (0.063 R)
• M8: 4,437,970 km (0.114 R)
• M9: 5,573,418 km (0.084 R)
• M10: 6,257,230 km (0.104 R)
• M11: 6,996,543 km (0.116 R)
• M12: 7,711,172 km (0.108 R)
• M13: 8,185,696 km (0.04 R)
• M14: 9,921,929 km (0.067 R)
• M15: 10,756,386 km (0.117 R)
• M16: 11,493,305 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.6

Radius: 13.7

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.42 AU - 1.72 AU

Year: 1358 Days

Day: 14.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,481,660 km

• M1: 172,038 km (0.063 R)
• M2: 669,301 km (0.064 R)
• M3: 1,143,077 km (0.111 R)
• M4: 2,391,920 km (0.113 R)
• M5: 3,183,592 km (0.112 R)
• M6: 4,808,225 km (0.102 R)
• M7: 5,803,350 km (0.079 R)
• M8: 6,303,456 km (0.119 R)
• M9: 7,574,739 km (0.1 R)
• M10: 8,006,927 km (0.116 R)
• M11: 8,773,915 km (0.112 R)
• M12: 9,872,412 km (0.052 R)
• M13: 10,889,977 km (0.119 R)
• M14: 11,868,048 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.1

Radius: 10.9

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.08 AU - 2.6 AU

Year: 2471 Days

Day: 13.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,481,660 km

• M1: 135,536 km (0.091 R)
• M2: 535,261 km (0.087 R)
• M3: 1,098,198 km (0.042 R)
• M4: 1,681,929 km (0.105 R)
• M5: 2,313,830 km (0.112 R)
• M6: 2,678,550 km (0.102 R)
• M7: 5,096,650 km (0.093 R)
• M8: 5,795,122 km (0.106 R)
• M9: 6,666,530 km (0.097 R)
• M10: 8,969,589 km (0.11 R)
• M11: 14,325,642 km (0.104 R)
• M12: 16,063,371 km (0.116 R)
• M13: 17,455,828 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.4

Radius: 13

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.61 AU - 3.17 AU

Year: 3391 Days

Day: 14.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,481,660 km

• M1: 161,715 km (0.065 R)
• M2: 664,663 km (0.102 R)
• M3: 1,116,299 km (0.064 R)
• M4: 1,529,040 km (0.109 R)
• M5: 2,583,854 km (0.116 R)
• M6: 3,421,902 km (0.098 R)
• M7: 4,503,345 km (0.114 R)
• M8: 4,935,683 km (0.079 R)
• M9: 5,528,539 km (0.12 R)
• M10: 6,197,541 km (0.104 R)
• M11: 7,697,708 km (0.076 R)
• M12: 8,283,234 km (0.091 R)
• M13: 10,886,387 km (0.034 R)
• M14: 12,490,375 km (0.088 R)
• M15: 13,251,679 km (0.109 R)
• M16: 15,613,979 km (0.109 R)
• M17: 17,649,258 km (0.066 R)
• M18: 18,425,820 km (0.117 R)
• M19: 21,425,257 km (0.117 R)
• M20: 23,644,841 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.6

Radius: 9.4

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.98 AU - 4.34 AU

Year: 5857 Days

Day: 7.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,481,660 km

• M1: 116,836 km (0.117 R)
• M2: 555,158 km (0.102 R)
• M3: 1,164,919 km (0.072 R)
• M4: 1,590,525 km (0.065 R)
• M5: 1,891,665 km (0.1 R)
• M6: 2,202,679 km (0.107 R)
• M7: 2,611,680 km (0.088 R)
• M8: 3,254,352 km (0.105 R)
• M9: 10,188,213 km (0.101 R)
• M10: 10,726,915 km (0.096 R)
• M11: 11,861,316 km (0.113 R)
• M12: 13,170,297 km (0.088 R)
• M13: 13,660,230 km (0.108 R)
• M14: 14,676,897 km (0.088 R)
• M15: 14,991,502 km (0.056 R)
• M16: 15,525,865 km (0.091 R)
• M17: 16,239,447 km (0.117 R)
• M18: 16,860,278 km (0.067 R)
• M19: 17,496,817 km (0.05 R)
• M20: 19,251,600 km (0.045 R)
• M21: 21,387,858 km (0.096 R)
• M22: 22,547,840 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.7

Radius: 7

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.4 AU - 6.72 AU

Year: 11598 Days

Day: 16.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,481,660 km

• M1: 87,216 km (0.106 R)
• M2: 419,472 km (0.104 R)
• M3: 764,146 km (0.109 R)
• M4: 1,403,677 km (0.051 R)
• M5: 1,787,545 km (0.078 R)
• M6: 2,080,906 km (0.099 R)
• M7: 2,338,664 km (0.06 R)
• M8: 2,690,817 km (0.089 R)
• M9: 3,963,296 km (0.102 R)
• M10: 5,093,508 km (0.114 R)
• M11: 7,009,558 km (0.097 R)
• M12: 7,780,884 km (0.109 R)
• M13: 8,325,570 km (0.032 R)
• M14: 10,295,325 km (0.081 R)
• M15: 10,573,278 km (0.119 R)
• M16: 11,735,654 km (0.092 R)
• M17: 12,244,137 km (0.111 R)
• M18: 12,556,348 km (0.086 R)
• M19: 15,367,890 km (0.117 R)
• M20: 16,728,183 km (0.055 R)
• M21: 18,504,957 km (0.042 R)
• M22: 23,530,399 km (0.119 R)
• M23: 27,490,853 km (0.083 R)
• M24: 30,049,874 km (0.09 R)
• M25: 31,581,307 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.4

Radius: 4.6

Gravity: 18.12 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.5 AU - 8.96 AU

Year: 16297 Days

Day: 15.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,481,660 km

• M1: 57,745 km (0.115 R)
• M2: 256,860 km (0.031 R)
• M3: 1,669,512 km (0.084 R)
• M4: 2,380,252 km (0.096 R)
• M5: 3,032,199 km (0.048 R)
• M6: 4,341,779 km (0.071 R)
• M7: 5,171,000 km (0.084 R)
• M8: 7,391,930 km (0.118 R)
• M9: 8,101,323 km (0.083 R)
• M10: 8,519,599 km (0.099 R)
• M11: 9,551,824 km (0.114 R)
• M12: 9,966,061 km (0.117 R)
• M13: 11,861,166 km (0.037 R)
• M14: 17,392,248 km (0.099 R)
• M15: 25,692,387 km (0.081 R)
• M16: 36,541,673 km (0.086 R)
• M17: 41,238,299 km (0.055 R)
• M18: 47,207,553 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.7

Radius: 4.4

Gravity: 19.72 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.96 AU - 11.12 AU

Year: 18761 Days

Day: 17.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,481,660 km

• M1: 54,902 km (0.095 R)
• M2: 586,424 km (0.089 R)
• M3: 728,542 km (0.103 R)
• M4: 1,562,550 km (0.037 R)
• M5: 1,722,320 km (0.095 R)
• M6: 2,074,773 km (0.056 R)
• M7: 2,494,993 km (0.111 R)
• M8: 2,714,005 km (0.081 R)
• M9: 3,583,318 km (0.119 R)
• M10: 4,955,130 km (0.1 R)
• M11: 7,867,053 km (0.108 R)
• M12: 8,100,426 km (0.093 R)
• M13: 8,828,518 km (0.067 R)
• M14: 9,705,311 km (0.11 R)
• M15: 10,082,597 km (0.115 R)
• M16: 10,302,656 km (0.029 R)
• M17: 10,809,344 km (0.093 R)
• M18: 11,391,579 km (0.117 R)
• M19: 11,630,187 km (0.032 R)
• M20: 11,811,350 km (0.105 R)
• M21: 14,341,349 km (0.11 R)
• M22: 14,972,652 km (0.094 R)
• M23: 18,820,459 km (0.113 R)
• M24: 21,419,423 km (0.091 R)
• M25: 23,088,187 km (0.111 R)
• M26: 25,649,004 km (0.117 R)
• M27: 29,274,807 km (0.09 R)
• M28: 32,625,500 km (0.062 R)
• M29: 34,083,631 km (0.11 R)
• M30: 36,738,993 km (0.097 R)
• M31: 37,390,941 km (0.097 R)
• M32: 44,634,918 km (0.101 R)
• M33: 48,272,391 km (0.092 R)
• M34: 50,322,779 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.4

Radius: 4.3

Gravity: 41.45 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.19 AU - 11.75 AU

Year: 21730 Days

Day: 23.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,481,660 km

• M1: 60,587 km (0.115 R)
• M2: 287,378 km (0.114 R)
• M3: 653,294 km (0.099 R)
• M4: 815,159 km (0.069 R)
• M5: 1,164,021 km (0.103 R)
• M6: 1,404,574 km (0.045 R)
• M7: 1,659,340 km (0.053 R)
• M8: 2,420,494 km (0.03 R)
• M9: 3,390,785 km (0.117 R)
• M10: 4,417,924 km (0.118 R)
• M11: 4,777,408 km (0.116 R)
• M12: 5,156,190 km (0.084 R)
• M13: 5,761,463 km (0.101 R)
• M14: 6,278,772 km (0.118 R)
• M15: 7,355,877 km (0.097 R)
• M16: 8,882,224 km (0.095 R)
• M17: 9,051,270 km (0.073 R)
• M18: 13,707,952 km (0.085 R)
• M19: 16,585,168 km (0.084 R)
• M20: 20,226,829 km (0.092 R)
• M21: 24,698,908 km (0.115 R)
• M22: 30,548,633 km (0.062 R)
• M23: 31,977,891 km (0.037 R)
• M24: 33,044,823 km (0.099 R)
• M25: 34,689,652 km (0.119 R)
• M26: 35,532,037 km (0.104 R)
• M27: 36,966,382 km (0.055 R)
• M28: 41,343,167 km (0.086 R)
• M29: 49,678,461 km (0.096 R)
• M30: 52,198,287 km (0.061 R)
• M31: 52,565,101 km (0.114 R)
• M32: 56,135,703 km (0.114 R)
• M33: 57,882,109 km (0.113 R)
• M34: 59,464,555 km (0.12 R)
• M35: 62,508,872 km (0.1 R)
• M36: 65,442,636 km (0.107 R)
• M37: 81,741,922 km (0.115 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 14,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit