🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.9

Radius: 9.9

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.78 AU - 0.88 AU

Year: 522 Days

Day: 6.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,428,520 km

• M1: 123,119 km (0.103 R)
• M2: 475,721 km (0.114 R)
• M3: 905,366 km (0.081 R)
• M4: 1,410,110 km (0.111 R)
• M5: 1,747,752 km (0.054 R)
• M6: 2,184,877 km (0.089 R)
• M7: 2,833,533 km (0.059 R)
• M8: 3,910,189 km (0.095 R)
• M9: 4,663,714 km (0.04 R)
• M10: 5,206,754 km (0.097 R)
• M11: 5,791,382 km (0.085 R)
• M12: 6,136,953 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796

Radius: 13

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.86 AU - 1.9 AU

Year: 1779 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,428,520 km

• M1: 162,014 km (0.093 R)
• M2: 1,090,568 km (0.101 R)
• M3: 1,496,727 km (0.117 R)
• M4: 2,122,345 km (0.037 R)
• M5: 2,758,585 km (0.11 R)
• M6: 3,256,596 km (0.072 R)
• M7: 4,616,441 km (0.105 R)
• M8: 5,368,170 km (0.077 R)
• M9: 6,200,084 km (0.042 R)
• M10: 6,818,970 km (0.097 R)
• M11: 8,241,197 km (0.118 R)
• M12: 8,862,327 km (0.096 R)
• M13: 9,818,557 km (0.036 R)
• M14: 10,878,757 km (0.119 R)
• M15: 11,665,492 km (0.064 R)
• M16: 12,369,500 km (0.086 R)
• M17: 12,895,636 km (0.116 R)
• M18: 13,691,197 km (0.054 R)
• M19: 14,697,841 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.3

Radius: 11.3

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.98 AU - 3.83 AU

Year: 4327 Days

Day: 5.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,428,520 km

• M1: 140,772 km (0.088 R)
• M2: 571,613 km (0.107 R)
• M3: 959,521 km (0.047 R)
• M4: 1,341,145 km (0.075 R)
• M5: 1,848,581 km (0.111 R)
• M6: 2,344,498 km (0.027 R)
• M7: 2,944,086 km (0.057 R)
• M8: 4,042,882 km (0.088 R)
• M9: 4,513,966 km (0.083 R)
• M10: 5,067,478 km (0.09 R)
• M11: 5,892,361 km (0.114 R)
• M12: 7,808,710 km (0.112 R)
• M13: 8,607,861 km (0.098 R)
• M14: 11,097,768 km (0.085 R)
• M15: 13,714,235 km (0.099 R)
• M16: 16,003,831 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.1

Radius: 9.8

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.49 AU - 4.97 AU

Year: 6005 Days

Day: 8.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,428,520 km

• M1: 122,670 km (0.073 R)
• M2: 810,671 km (0.058 R)
• M3: 1,343,389 km (0.037 R)
• M4: 1,825,992 km (0.107 R)
• M5: 2,166,626 km (0.113 R)
• M6: 3,770,764 km (0.034 R)
• M7: 4,717,569 km (0.105 R)
• M8: 5,838,655 km (0.09 R)
• M9: 6,314,077 km (0.059 R)
• M10: 8,155,777 km (0.057 R)
• M11: 11,717,702 km (0.025 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.4

Radius: 5.1

Gravity: 18.43 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.97 AU - 7.61 AU

Year: 12213 Days

Day: 21.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,428,520 km

• M1: 66,122 km (0.094 R)
• M2: 328,218 km (0.105 R)
• M3: 506,688 km (0.117 R)
• M4: 987,795 km (0.097 R)
• M5: 1,152,352 km (0.08 R)
• M6: 1,938,489 km (0.099 R)
• M7: 2,127,581 km (0.064 R)
• M8: 2,770,253 km (0.096 R)
• M9: 2,966,227 km (0.116 R)
• M10: 3,361,464 km (0.096 R)
• M11: 3,534,250 km (0.049 R)
• M12: 4,313,804 km (0.085 R)
• M13: 5,009,135 km (0.115 R)
• M14: 5,846,734 km (0.094 R)
• M15: 6,354,618 km (0.095 R)
• M16: 7,752,461 km (0.07 R)
• M17: 8,054,798 km (0.041 R)
• M18: 9,103,778 km (0.103 R)
• M19: 15,467,373 km (0.072 R)
• M20: 16,154,924 km (0.112 R)
• M21: 17,443,561 km (0.118 R)
• M22: 20,467,831 km (0.088 R)
• M23: 20,796,498 km (0.106 R)
• M24: 22,232,787 km (0.061 R)
• M25: 25,774,816 km (0.096 R)
• M26: 27,429,966 km (0.069 R)
• M27: 29,570,712 km (0.11 R)
• M28: 33,155,825 km (0.026 R)
• M29: 38,746,297 km (0.118 R)
• M30: 40,654,717 km (0.103 R)
• M31: 42,358,487 km (0.069 R)
• M32: 44,382,995 km (0.114 R)
• M33: 44,795,437 km (0.109 R)
• M34: 46,470,933 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.3

Radius: 3.9

Gravity: 42.23 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.05 AU - 7.29 AU

Year: 13252 Days

Day: 23.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,428,520 km

• M1: 48,619 km (0.107 R)
• M2: 203,752 km (0.096 R)
• M3: 372,798 km (0.091 R)
• M4: 535,710 km (0.118 R)
• M5: 1,590,824 km (0.057 R)
• M6: 1,782,758 km (0.106 R)
• M7: 2,213,001 km (0.114 R)
• M8: 2,370,827 km (0.116 R)
• M9: 3,429,082 km (0.089 R)
• M10: 4,003,688 km (0.092 R)
• M11: 4,389,950 km (0.116 R)
• M12: 4,545,083 km (0.051 R)
• M13: 5,065,833 km (0.116 R)
• M14: 5,236,524 km (0.118 R)
• M15: 5,517,469 km (0.097 R)
• M16: 5,734,834 km (0.105 R)
• M17: 7,863,762 km (0.075 R)
• M18: 9,769,190 km (0.089 R)
• M19: 10,412,161 km (0.057 R)
• M20: 11,026,111 km (0.104 R)
• M21: 12,081,973 km (0.116 R)
• M22: 13,592,463 km (0.115 R)
• M23: 15,437,004 km (0.072 R)
• M24: 17,519,257 km (0.11 R)
• M25: 18,305,992 km (0.117 R)
• M26: 19,198,493 km (0.098 R)
• M27: 19,446,826 km (0.062 R)
• M28: 23,339,512 km (0.101 R)
• M29: 25,367,909 km (0.091 R)
• M30: 27,510,899 km (0.068 R)
• M31: 29,550,965 km (0.109 R)
• M32: 29,771,323 km (0.063 R)
• M33: 34,292,320 km (0.115 R)
• M34: 35,272,934 km (0.119 R)
• M35: 39,516,128 km (0.107 R)
• M36: 51,187,155 km (0.085 R)
• M37: 51,664,672 km (0.099 R)
• M38: 53,114,724 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.9

Radius: 5.6

Gravity: 28.47 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.87 AU - 7.89 AU

Year: 15269 Days

Day: 18.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 69,428,520 km

• M1: 106,514 km (0.078 R)
• M2: 308,471 km (0.046 R)
• M3: 702,811 km (0.071 R)
• M4: 1,465,461 km (0.065 R)
• M5: 1,814,323 km (0.064 R)
• M6: 1,999,076 km (0.096 R)
• M7: 2,196,546 km (0.081 R)
• M8: 2,967,573 km (0.106 R)
• M9: 3,278,737 km (0.104 R)
• M10: 3,698,059 km (0.089 R)
• M11: 3,875,482 km (0.091 R)
• M12: 5,469,597 km (0.045 R)
• M13: 6,432,260 km (0.09 R)
• M14: 8,329,909 km (0.077 R)
• M15: 8,843,927 km (0.027 R)
• M16: 9,654,299 km (0.088 R)
• M17: 10,690,563 km (0.077 R)
• M18: 11,051,991 km (0.092 R)
• M19: 12,055,494 km (0.114 R)
• M20: 12,914,485 km (0.117 R)
• M21: 13,324,383 km (0.081 R)
• M22: 13,742,808 km (0.103 R)
• M23: 19,739,289 km (0.11 R)
• M24: 21,023,737 km (0.043 R)
• M25: 23,353,574 km (0.055 R)
• M26: 24,064,164 km (0.105 R)
• M27: 24,580,576 km (0.103 R)
• M28: 25,635,390 km (0.114 R)
• M29: 27,385,386 km (0.117 R)
• M30: 29,330,458 km (0.112 R)
• M31: 29,682,910 km (0.051 R)
• M32: 34,788,386 km (0.108 R)
• M33: 36,521,777 km (0.04 R)
• M34: 42,664,714 km (0.076 R)
• M35: 44,339,911 km (0.079 R)
• M36: 47,497,025 km (0.082 R)
• M37: 49,961,051 km (0.114 R)
• M38: 55,499,763 km (0.106 R)
• M39: 66,152,328 km (0.057 R)
• M40: 66,961,503 km (0.086 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 14,175 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit