🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938

Radius: 9.9

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.74 AU - 0.86 AU

Year: 462 Days

Day: 10.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,136,889 km

• M1: 123,568 km (0.078 R)
• M2: 450,439 km (0.067 R)
• M3: 813,064 km (0.111 R)
• M4: 1,148,014 km (0.101 R)
• M5: 1,846,337 km (0.049 R)
• M6: 2,353,324 km (0.054 R)
• M7: 3,124,501 km (0.069 R)
• M8: 3,673,376 km (0.03 R)
• M9: 4,027,324 km (0.064 R)
• M10: 5,029,480 km (0.025 R)
• M11: 5,677,538 km (0.115 R)
• M12: 6,003,512 km (0.081 R)
• M13: 6,399,647 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.1

Radius: 11.2

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.1 AU - 1.64 AU

Year: 1035 Days

Day: 8.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,136,889 km

• M1: 139,276 km (0.1 R)
• M2: 622,327 km (0.067 R)
• M3: 1,324,091 km (0.061 R)
• M4: 2,303,658 km (0.102 R)
• M5: 2,671,668 km (0.09 R)
• M6: 3,190,923 km (0.104 R)
• M7: 4,138,027 km (0.1 R)
• M8: 4,540,445 km (0.032 R)
• M9: 5,673,350 km (0.075 R)
• M10: 6,961,537 km (0.078 R)
• M11: 7,507,719 km (0.105 R)
• M12: 8,855,895 km (0.062 R)
• M13: 9,557,509 km (0.095 R)
• M14: 10,232,943 km (0.101 R)
• M15: 10,582,404 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.6

Radius: 11

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.54 AU - 1.92 AU

Year: 1469 Days

Day: 13.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,136,889 km

• M1: 136,882 km (0.11 R)
• M2: 498,011 km (0.092 R)
• M3: 876,644 km (0.116 R)
• M4: 1,631,814 km (0.027 R)
• M5: 2,302,461 km (0.118 R)
• M6: 2,922,993 km (0.025 R)
• M7: 3,273,351 km (0.113 R)
• M8: 3,618,025 km (0.049 R)
• M9: 4,498,408 km (0.084 R)
• M10: 4,863,277 km (0.112 R)
• M11: 5,470,645 km (0.074 R)
• M12: 5,840,002 km (0.116 R)
• M13: 6,275,331 km (0.094 R)
• M14: 7,049,351 km (0.11 R)
• M15: 8,238,355 km (0.094 R)
• M16: 8,849,612 km (0.089 R)
• M17: 9,589,672 km (0.11 R)
• M18: 10,025,900 km (0.11 R)
• M19: 10,545,603 km (0.077 R)
• M20: 11,639,163 km (0.076 R)
• M21: 13,418,929 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545

Radius: 10.1

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.03 AU - 2.25 AU

Year: 2021 Days

Day: 12.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,136,889 km

• M1: 125,662 km (0.097 R)
• M2: 511,176 km (0.107 R)
• M3: 912,996 km (0.114 R)
• M4: 1,257,669 km (0.053 R)
• M5: 1,612,067 km (0.104 R)
• M6: 1,965,716 km (0.097 R)
• M7: 2,475,097 km (0.088 R)
• M8: 2,876,617 km (0.089 R)
• M9: 4,047,221 km (0.069 R)
• M10: 4,627,810 km (0.068 R)
• M11: 6,003,512 km (0.079 R)
• M12: 6,551,938 km (0.117 R)
• M13: 7,493,058 km (0.092 R)
• M14: 8,069,758 km (0.109 R)
• M15: 8,644,962 km (0.103 R)
• M16: 9,911,158 km (0.027 R)
• M17: 10,535,580 km (0.098 R)
• M18: 10,893,717 km (0.029 R)
• M19: 13,507,042 km (0.119 R)
• M20: 14,669,418 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.5

Radius: 12.8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.33 AU - 4.63 AU

Year: 5127 Days

Day: 5 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,136,889 km

• M1: 159,172 km (0.11 R)
• M2: 827,276 km (0.098 R)
• M3: 1,642,285 km (0.112 R)
• M4: 2,052,932 km (0.069 R)
• M5: 3,316,884 km (0.067 R)
• M6: 3,939,810 km (0.081 R)
• M7: 4,445,301 km (0.049 R)
• M8: 5,421,128 km (0.109 R)
• M9: 6,078,161 km (0.083 R)
• M10: 7,448,927 km (0.098 R)
• M11: 8,298,792 km (0.089 R)
• M12: 9,291,374 km (0.118 R)
• M13: 9,734,483 km (0.044 R)
• M14: 10,149,468 km (0.054 R)
• M15: 11,015,190 km (0.046 R)
• M16: 13,042,990 km (0.103 R)
• M17: 13,599,344 km (0.11 R)
• M18: 16,447,239 km (0.063 R)
• M19: 18,322,598 km (0.072 R)
• M20: 20,811,009 km (0.101 R)
• M21: 23,517,084 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.6

Radius: 14.6

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.62 AU - 5.9 AU

Year: 6705 Days

Day: 12 Hours

Environment

Temp: -221 °C

Axial Tilt: 157.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,136,889 km

• M1: 186,549 km (0.045 R)
• M2: 680,072 km (0.093 R)
• M3: 1,623,735 km (0.074 R)
• M4: 2,082,253 km (0.113 R)
• M5: 3,678,013 km (0.056 R)
• M6: 4,221,353 km (0.087 R)
• M7: 5,197,180 km (0.102 R)
• M8: 6,284,607 km (0.094 R)
• M9: 7,140,007 km (0.078 R)
• M10: 9,215,528 km (0.076 R)
• M11: 10,464,670 km (0.061 R)
• M12: 11,155,513 km (0.094 R)
• M13: 11,824,066 km (0.119 R)
• M14: 13,815,812 km (0.112 R)
• M15: 16,347,008 km (0.075 R)
• M16: 18,244,358 km (0.037 R)
• M17: 18,740,724 km (0.082 R)
• M18: 19,612,879 km (0.111 R)
• M19: 21,204,002 km (0.112 R)
• M20: 23,792,045 km (0.05 R)
• M21: 24,385,051 km (0.095 R)
• M22: 29,297,247 km (0.101 R)
• M23: 30,571,522 km (0.116 R)
• M24: 39,239,222 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.2

Radius: 13.9

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.49 AU - 5.41 AU

Year: 7111 Days

Day: 8.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,136,889 km

• M1: 172,935 km (0.065 R)
• M2: 621,579 km (0.054 R)
• M3: 1,840,652 km (0.026 R)
• M4: 2,499,481 km (0.101 R)
• M5: 2,980,438 km (0.089 R)
• M6: 3,541,730 km (0.107 R)
• M7: 5,788,690 km (0.094 R)
• M8: 8,298,044 km (0.08 R)
• M9: 10,749,654 km (0.073 R)
• M10: 11,995,056 km (0.105 R)
• M11: 12,935,877 km (0.036 R)
• M12: 13,650,507 km (0.066 R)
• M13: 15,752,506 km (0.054 R)
• M14: 17,897,889 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.1

Radius: 6.5

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.38 AU - 8.36 AU

Year: 12919 Days

Day: 16.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,136,889 km

• M1: 83,176 km (0.111 R)
• M2: 563,834 km (0.092 R)
• M3: 769,681 km (0.118 R)
• M4: 1,016,368 km (0.098 R)
• M5: 1,316,012 km (0.085 R)
• M6: 1,629,121 km (0.09 R)
• M7: 2,111,724 km (0.107 R)
• M8: 5,322,842 km (0.097 R)
• M9: 7,819,780 km (0.101 R)
• M10: 8,571,060 km (0.087 R)
• M11: 9,177,231 km (0.116 R)
• M12: 9,564,241 km (0.045 R)
• M13: 10,527,202 km (0.106 R)
• M14: 12,234,413 km (0.09 R)
• M15: 13,614,753 km (0.104 R)
• M16: 14,699,487 km (0.043 R)
• M17: 15,162,492 km (0.096 R)
• M18: 16,895,733 km (0.09 R)
• M19: 17,847,325 km (0.103 R)
• M20: 18,989,056 km (0.099 R)
• M21: 20,178,808 km (0.115 R)
• M22: 22,793,480 km (0.09 R)
• M23: 33,316,942 km (0.027 R)
• M24: 44,031,141 km (0.093 R)
• M25: 46,531,370 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.9

Radius: 4.7

Gravity: 16.25 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 8.36 AU - 11.1 AU

Year: 19597 Days

Day: 16.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,136,889 km

• M1: 58,792 km (0.078 R)
• M2: 207,193 km (0.104 R)
• M3: 493,075 km (0.106 R)
• M4: 969,394 km (0.119 R)
• M5: 1,302,100 km (0.089 R)
• M6: 2,974,155 km (0.097 R)
• M7: 3,402,005 km (0.116 R)
• M8: 3,672,179 km (0.106 R)
• M9: 4,225,093 km (0.085 R)
• M10: 4,505,439 km (0.105 R)
• M11: 4,966,350 km (0.118 R)
• M12: 5,208,250 km (0.086 R)
• M13: 5,715,686 km (0.107 R)
• M14: 9,472,537 km (0.063 R)
• M15: 11,136,813 km (0.104 R)
• M16: 11,611,488 km (0.1 R)
• M17: 11,915,022 km (0.098 R)
• M18: 13,247,639 km (0.116 R)
• M19: 15,175,058 km (0.116 R)
• M20: 16,055,292 km (0.071 R)
• M21: 17,837,003 km (0.08 R)
• M22: 18,322,598 km (0.088 R)
• M23: 18,816,869 km (0.061 R)
• M24: 27,873,674 km (0.113 R)
• M25: 30,434,640 km (0.054 R)
• M26: 36,146,885 km (0.092 R)
• M27: 44,572,237 km (0.072 R)
• M28: 47,287,588 km (0.094 R)
• M29: 56,784,061 km (0.052 R)
• M30: 59,431,644 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.9

Radius: 5.6

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 10.25 AU - 10.99 AU

Year: 22346 Days

Day: 16.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,136,889 km

• M1: 94,995 km (0.088 R)
• M2: 869,313 km (0.117 R)
• M3: 1,162,375 km (0.072 R)
• M4: 1,740,571 km (0.111 R)
• M5: 2,019,571 km (0.106 R)
• M6: 2,248,007 km (0.09 R)
• M7: 3,136,918 km (0.112 R)
• M8: 3,771,512 km (0.12 R)
• M9: 4,779,054 km (0.055 R)
• M10: 7,714,014 km (0.045 R)
• M11: 8,322,130 km (0.068 R)
• M12: 8,662,614 km (0.05 R)
• M13: 14,385,331 km (0.085 R)
• M14: 16,565,571 km (0.074 R)
• M15: 18,790,540 km (0.085 R)
• M16: 19,546,009 km (0.086 R)
• M17: 20,060,775 km (0.041 R)
• M18: 22,210,497 km (0.107 R)
• M19: 24,311,748 km (0.084 R)
• M20: 37,613,243 km (0.07 R)
• M21: 47,764,356 km (0.106 R)
• M22: 58,352,893 km (0.092 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: 415 - 12,763 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit