🌌 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 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.1

Radius: 12

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.53 AU - 0.71 AU

Year: 337 Days

Day: 10 Hours

Environment

Temp: -151 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,688,035 km

• M1: 149,299 km (0.069 R)
• M2: 754,272 km (0.07 R)
• M3: 1,255,126 km (0.066 R)
• M4: 1,679,087 km (0.069 R)
• M5: 2,576,973 km (0.103 R)
• M6: 3,039,679 km (0.117 R)
• M7: 3,499,992 km (0.093 R)
• M8: 3,943,699 km (0.117 R)
• M9: 4,701,562 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.3

Radius: 8.3

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.38 AU - 1.4 AU

Year: 1131 Days

Day: 5.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 105.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,688,035 km

• M1: 103,223 km (0.092 R)
• M2: 574,306 km (0.069 R)
• M3: 1,395,898 km (0.113 R)
• M4: 1,789,041 km (0.094 R)
• M5: 2,084,198 km (0.079 R)
• M6: 2,481,380 km (0.072 R)
• M7: 2,824,857 km (0.118 R)
• M8: 3,116,572 km (0.096 R)
• M9: 3,487,575 km (0.117 R)
• M10: 3,792,755 km (0.082 R)
• M11: 4,854,301 km (0.075 R)
• M12: 5,636,997 km (0.113 R)
• M13: 6,058,714 km (0.108 R)
• M14: 6,343,997 km (0.059 R)
• M15: 6,638,256 km (0.07 R)
• M16: 7,254,300 km (0.097 R)
• M17: 7,576,235 km (0.045 R)
• M18: 7,907,743 km (0.065 R)
• M19: 8,737,563 km (0.118 R)
• M20: 9,802,550 km (0.071 R)
• M21: 10,381,793 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.4

Radius: 11

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.53 AU - 1.93 AU

Year: 1571 Days

Day: 13 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,688,035 km

• M1: 137,331 km (0.102 R)
• M2: 588,817 km (0.119 R)
• M3: 1,003,802 km (0.062 R)
• M4: 1,617,003 km (0.118 R)
• M5: 2,078,812 km (0.034 R)
• M6: 2,890,081 km (0.055 R)
• M7: 3,406,942 km (0.077 R)
• M8: 4,121,571 km (0.111 R)
• M9: 4,478,212 km (0.115 R)
• M10: 5,461,519 km (0.09 R)
• M11: 6,417,449 km (0.087 R)
• M12: 8,745,940 km (0.038 R)
• M13: 9,217,473 km (0.104 R)
• M14: 10,276,327 km (0.026 R)
• M15: 10,701,932 km (0.112 R)
• M16: 11,241,831 km (0.078 R)
• M17: 11,658,611 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.1

Radius: 9.7

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.47 AU - 2.07 AU

Year: 1625 Days

Day: 5.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,688,035 km

• M1: 121,473 km (0.087 R)
• M2: 499,358 km (0.082 R)
• M3: 897,886 km (0.106 R)
• M4: 1,507,947 km (0.119 R)
• M5: 2,315,775 km (0.091 R)
• M6: 2,659,102 km (0.063 R)
• M7: 3,122,108 km (0.091 R)
• M8: 3,449,876 km (0.092 R)
• M9: 4,880,331 km (0.103 R)
• M10: 5,994,237 km (0.089 R)
• M11: 6,647,082 km (0.106 R)
• M12: 7,192,815 km (0.102 R)
• M13: 7,741,241 km (0.074 R)
• M14: 8,572,856 km (0.079 R)
• M15: 8,921,867 km (0.111 R)
• M16: 9,835,761 km (0.099 R)
• M17: 11,218,644 km (0.09 R)
• M18: 11,884,952 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.5

Radius: 10

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.86 AU - 2.04 AU

Year: 1880 Days

Day: 14 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,688,035 km

• M1: 124,465 km (0.055 R)
• M2: 535,710 km (0.098 R)
• M3: 1,254,677 km (0.093 R)
• M4: 1,704,967 km (0.085 R)
• M5: 2,119,802 km (0.078 R)
• M6: 4,030,017 km (0.06 R)
• M7: 5,039,653 km (0.06 R)
• M8: 5,603,936 km (0.05 R)
• M9: 6,322,455 km (0.055 R)
• M10: 7,425,290 km (0.103 R)
• M11: 8,102,819 km (0.103 R)
• M12: 9,166,460 km (0.113 R)
• M13: 9,854,012 km (0.064 R)
• M14: 10,639,999 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.2

Radius: 8.6

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.21 AU - 2.61 AU

Year: 2582 Days

Day: 13.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,688,035 km

• M1: 106,962 km (0.112 R)
• M2: 585,975 km (0.039 R)
• M3: 1,302,997 km (0.109 R)
• M4: 1,580,950 km (0.085 R)
• M5: 2,605,397 km (0.109 R)
• M6: 3,859,027 km (0.102 R)
• M7: 5,226,800 km (0.116 R)
• M8: 5,524,949 km (0.05 R)
• M9: 6,488,359 km (0.116 R)
• M10: 6,774,988 km (0.09 R)
• M11: 7,281,527 km (0.112 R)
• M12: 7,909,688 km (0.116 R)
• M13: 11,313,937 km (0.076 R)
• M14: 11,730,119 km (0.063 R)
• M15: 12,199,407 km (0.061 R)
• M16: 17,828,775 km (0.071 R)
• M17: 19,555,733 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.2

Radius: 8.3

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.73 AU - 4.01 AU

Year: 5255 Days

Day: 6.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,688,035 km

• M1: 107,112 km (0.066 R)
• M2: 509,680 km (0.119 R)
• M3: 1,178,233 km (0.111 R)
• M4: 1,606,681 km (0.118 R)
• M5: 2,398,353 km (0.099 R)
• M6: 3,125,100 km (0.078 R)
• M7: 3,409,934 km (0.07 R)
• M8: 3,910,040 km (0.114 R)
• M9: 4,546,728 km (0.11 R)
• M10: 5,177,283 km (0.064 R)
• M11: 5,603,487 km (0.101 R)
• M12: 6,328,140 km (0.081 R)
• M13: 6,669,671 km (0.049 R)
• M14: 7,144,196 km (0.072 R)
• M15: 7,514,750 km (0.103 R)
• M16: 8,395,433 km (0.115 R)
• M17: 8,808,173 km (0.049 R)
• M18: 9,162,570 km (0.093 R)
• M19: 11,366,895 km (0.052 R)
• M20: 13,110,309 km (0.09 R)
• M21: 14,383,386 km (0.073 R)
• M22: 14,726,564 km (0.05 R)
• M23: 15,226,221 km (0.104 R)
• M24: 18,178,535 km (0.109 R)
• M25: 19,045,604 km (0.108 R)
• M26: 19,638,760 km (0.042 R)
• M27: 20,799,490 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.3

Radius: 5.5

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.53 AU - 6.27 AU

Year: 9892 Days

Day: 16.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,688,035 km

• M1: 68,366 km (0.1 R)
• M2: 266,583 km (0.045 R)
• M3: 651,050 km (0.106 R)
• M4: 1,511,088 km (0.119 R)
• M5: 1,833,621 km (0.067 R)
• M6: 3,123,005 km (0.119 R)
• M7: 5,977,931 km (0.093 R)
• M8: 7,619,618 km (0.075 R)
• M9: 10,307,892 km (0.101 R)
• M10: 10,873,970 km (0.104 R)
• M11: 11,410,877 km (0.098 R)
• M12: 11,965,286 km (0.119 R)
• M13: 14,596,264 km (0.119 R)
• M14: 17,391,052 km (0.041 R)
• M15: 18,465,164 km (0.114 R)
• M16: 21,798,055 km (0.09 R)
• M17: 22,182,971 km (0.115 R)
• M18: 26,024,494 km (0.09 R)
• M19: 27,785,710 km (0.1 R)
• M20: 27,966,125 km (0.078 R)
• M21: 33,339,681 km (0.09 R)
• M22: 34,262,849 km (0.06 R)
• M23: 34,470,341 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.1

Radius: 3.2

Gravity: 23.94 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.92 AU - 7.66 AU

Year: 10889 Days

Day: 15.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,688,035 km

• M1: 39,793 km (0.094 R)
• M2: 471,832 km (0.116 R)
• M3: 664,813 km (0.113 R)
• M4: 890,257 km (0.112 R)
• M5: 1,153,549 km (0.086 R)
• M6: 1,789,340 km (0.12 R)
• M7: 2,273,888 km (0.113 R)
• M8: 3,042,222 km (0.102 R)
• M9: 3,253,155 km (0.054 R)
• M10: 3,541,730 km (0.075 R)
• M11: 3,775,102 km (0.11 R)
• M12: 4,812,264 km (0.11 R)
• M13: 6,879,408 km (0.098 R)
• M14: 8,046,421 km (0.083 R)
• M15: 12,013,457 km (0.07 R)
• M16: 14,559,613 km (0.105 R)
• M17: 16,336,985 km (0.12 R)
• M18: 16,786,676 km (0.07 R)
• M19: 19,301,566 km (0.083 R)
• M20: 20,095,033 km (0.12 R)
• M21: 26,005,944 km (0.118 R)
• M22: 28,329,947 km (0.03 R)
• M23: 34,842,840 km (0.095 R)
• M24: 35,694,351 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.2

Radius: 6.6

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.07 AU - 9.73 AU

Year: 16805 Days

Day: 16.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,688,035 km

• M1: 82,129 km (0.107 R)
• M2: 455,526 km (0.118 R)
• M3: 709,543 km (0.033 R)
• M4: 1,692,401 km (0.097 R)
• M5: 2,227,213 km (0.062 R)
• M6: 2,740,035 km (0.095 R)
• M7: 2,957,251 km (0.088 R)
• M8: 4,572,309 km (0.099 R)
• M9: 7,763,830 km (0.111 R)
• M10: 9,861,192 km (0.026 R)
• M11: 11,231,359 km (0.108 R)
• M12: 14,021,958 km (0.063 R)
• M13: 22,116,848 km (0.084 R)
• M14: 23,442,136 km (0.111 R)
• M15: 28,343,710 km (0.062 R)
• M16: 29,274,209 km (0.114 R)
• M17: 29,483,796 km (0.089 R)
• M18: 38,962,167 km (0.107 R)
• M19: 39,470,351 km (0.116 R)
• M20: 46,201,507 km (0.102 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 18,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit