🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.51 AU - 0.69 AU

Year: 300 Days

Day: 37.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.9

Radius: 9.6

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.74 AU - 1 AU

Year: 524 Days

Day: 11.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,433,781 km

• M1: 119,379 km (0.043 R)
• M2: 458,368 km (0.085 R)
• M3: 876,045 km (0.083 R)
• M4: 1,251,536 km (0.088 R)
• M5: 1,851,124 km (0.034 R)
• M6: 2,962,786 km (0.062 R)
• M7: 3,580,326 km (0.051 R)
• M8: 3,906,599 km (0.098 R)
• M9: 4,338,787 km (0.083 R)
• M10: 5,007,190 km (0.047 R)
• M11: 5,366,225 km (0.071 R)
• M12: 5,672,751 km (0.12 R)
• M13: 5,972,994 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.5

Radius: 9.8

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.55 AU - 1.83 AU

Year: 1419 Days

Day: 8.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,433,781 km

• M1: 122,072 km (0.063 R)
• M2: 442,361 km (0.11 R)
• M3: 756,666 km (0.104 R)
• M4: 1,207,105 km (0.073 R)
• M5: 1,653,505 km (0.12 R)
• M6: 2,034,830 km (0.098 R)
• M7: 2,486,765 km (0.053 R)
• M8: 2,842,210 km (0.086 R)
• M9: 3,217,102 km (0.102 R)
• M10: 3,546,966 km (0.091 R)
• M11: 4,292,711 km (0.094 R)
• M12: 4,769,330 km (0.099 R)
• M13: 5,362,784 km (0.097 R)
• M14: 9,514,125 km (0.107 R)
• M15: 10,134,508 km (0.094 R)
• M16: 10,519,573 km (0.107 R)
• M17: 10,847,940 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.7

Radius: 12.8

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.49 AU - 2.37 AU

Year: 1731 Days

Day: 10.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,433,781 km

• M1: 162,613 km (0.076 R)
• M2: 564,582 km (0.055 R)
• M3: 1,343,538 km (0.085 R)
• M4: 1,863,989 km (0.044 R)
• M5: 2,893,073 km (0.087 R)
• M6: 3,775,102 km (0.12 R)
• M7: 4,194,126 km (0.057 R)
• M8: 4,933,887 km (0.065 R)
• M9: 6,519,326 km (0.111 R)
• M10: 7,017,786 km (0.098 R)
• M11: 7,485,279 km (0.117 R)
• M12: 7,944,245 km (0.081 R)
• M13: 9,304,389 km (0.098 R)
• M14: 10,670,667 km (0.074 R)
• M15: 11,972,318 km (0.087 R)
• M16: 12,721,953 km (0.09 R)
• M17: 13,755,674 km (0.111 R)
• M18: 14,402,236 km (0.066 R)
• M19: 15,204,978 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957

Radius: 13.9

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.2 AU - 2.42 AU

Year: 2267 Days

Day: 13.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,433,781 km

• M1: 173,234 km (0.097 R)
• M2: 654,491 km (0.066 R)
• M3: 1,533,977 km (0.109 R)
• M4: 2,158,548 km (0.064 R)
• M5: 2,792,543 km (0.113 R)
• M6: 3,458,553 km (0.088 R)
• M7: 4,228,833 km (0.098 R)
• M8: 5,621,439 km (0.045 R)
• M9: 7,092,884 km (0.111 R)
• M10: 7,761,287 km (0.052 R)
• M11: 9,153,894 km (0.117 R)
• M12: 9,836,060 km (0.068 R)
• M13: 10,863,797 km (0.088 R)
• M14: 12,516,555 km (0.104 R)
• M15: 15,006,162 km (0.074 R)
• M16: 16,839,185 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.7

Radius: 14.4

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.44 AU - 6.06 AU

Year: 7767 Days

Day: 8.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,433,781 km

• M1: 191,635 km (0.084 R)
• M2: 644,468 km (0.106 R)
• M3: 1,292,526 km (0.115 R)
• M4: 1,822,102 km (0.034 R)
• M5: 2,740,035 km (0.107 R)
• M6: 3,214,260 km (0.078 R)
• M7: 3,948,486 km (0.04 R)
• M8: 4,953,485 km (0.099 R)
• M9: 5,604,983 km (0.115 R)
• M10: 6,977,095 km (0.117 R)
• M11: 7,834,740 km (0.109 R)
• M12: 10,696,098 km (0.103 R)
• M13: 12,745,290 km (0.069 R)
• M14: 13,483,256 km (0.094 R)
• M15: 15,160,697 km (0.114 R)
• M16: 30,427,609 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.5

Radius: 5.1

Gravity: 20.9 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.59 AU - 8.39 AU

Year: 13235 Days

Day: 19.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,433,781 km

• M1: 64,776 km (0.106 R)
• M2: 243,695 km (0.11 R)
• M3: 587,022 km (0.071 R)
• M4: 1,313,320 km (0.116 R)
• M5: 1,579,305 km (0.094 R)
• M6: 2,494,395 km (0.104 R)
• M7: 2,704,430 km (0.102 R)
• M8: 4,645,911 km (0.108 R)
• M9: 4,835,452 km (0.076 R)
• M10: 5,298,009 km (0.074 R)
• M11: 6,083,697 km (0.102 R)
• M12: 9,197,427 km (0.117 R)
• M13: 12,250,570 km (0.1 R)
• M14: 13,873,557 km (0.107 R)
• M15: 15,775,843 km (0.086 R)
• M16: 18,311,228 km (0.112 R)
• M17: 19,757,540 km (0.106 R)
• M18: 20,508,522 km (0.071 R)
• M19: 29,738,710 km (0.105 R)
• M20: 31,280,915 km (0.111 R)
• M21: 32,991,716 km (0.111 R)
• M22: 34,047,428 km (0.101 R)
• M23: 34,884,129 km (0.06 R)
• M24: 37,729,481 km (0.057 R)
• M25: 38,496,319 km (0.099 R)
• M26: 40,459,043 km (0.062 R)
• M27: 42,076,496 km (0.089 R)
• M28: 43,317,559 km (0.109 R)
• M29: 48,525,959 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.7

Radius: 6

Gravity: 22.96 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.04 AU - 8.22 AU

Year: 13608 Days

Day: 21 Hours

Environment

Temp: -226 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,433,781 km

• M1: 74,799 km (0.06 R)
• M2: 545,883 km (0.093 R)
• M3: 856,298 km (0.06 R)
• M4: 1,226,403 km (0.06 R)
• M5: 2,874,972 km (0.092 R)
• M6: 3,482,190 km (0.086 R)
• M7: 3,845,114 km (0.109 R)
• M8: 5,334,361 km (0.094 R)
• M9: 6,740,730 km (0.088 R)
• M10: 7,127,740 km (0.089 R)
• M11: 8,136,030 km (0.102 R)
• M12: 8,977,817 km (0.102 R)
• M13: 9,499,465 km (0.097 R)
• M14: 16,792,959 km (0.084 R)
• M15: 17,344,078 km (0.054 R)
• M16: 18,316,763 km (0.113 R)
• M17: 19,496,941 km (0.115 R)
• M18: 19,843,260 km (0.114 R)
• M19: 20,281,881 km (0.086 R)
• M20: 23,147,129 km (0.113 R)
• M21: 25,132,143 km (0.117 R)
• M22: 27,878,760 km (0.115 R)
• M23: 31,883,196 km (0.101 R)
• M24: 33,835,149 km (0.104 R)
• M25: 37,174,622 km (0.03 R)
• M26: 41,151,382 km (0.06 R)
• M27: 45,706,039 km (0.078 R)
• M28: 46,163,958 km (0.051 R)
• M29: 48,340,906 km (0.059 R)
• M30: 49,134,822 km (0.119 R)
• M31: 56,324,047 km (0.114 R)
• M32: 61,549,202 km (0.114 R)
• M33: 62,669,241 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.9

Radius: 3.3

Gravity: 77.68 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.81 AU - 8.03 AU

Year: 14391 Days

Day: 23.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 65,433,781 km

• M1: 40,990 km (0.089 R)
• M2: 228,586 km (0.102 R)
• M3: 392,096 km (0.1 R)
• M4: 1,016,218 km (0.07 R)
• M5: 1,605,933 km (0.087 R)
• M6: 2,030,641 km (0.088 R)
• M7: 2,947,228 km (0.119 R)
• M8: 3,123,005 km (0.069 R)
• M9: 3,252,856 km (0.115 R)
• M10: 3,692,823 km (0.116 R)
• M11: 4,490,330 km (0.103 R)
• M12: 5,470,645 km (0.099 R)
• M13: 6,293,582 km (0.052 R)
• M14: 6,670,270 km (0.089 R)
• M15: 7,607,501 km (0.119 R)
• M16: 7,795,545 km (0.102 R)
• M17: 8,937,126 km (0.07 R)
• M18: 9,252,180 km (0.081 R)
• M19: 10,185,521 km (0.068 R)
• M20: 10,645,684 km (0.09 R)
• M21: 11,545,664 km (0.111 R)
• M22: 12,045,770 km (0.09 R)
• M23: 15,503,276 km (0.046 R)
• M24: 16,973,674 km (0.113 R)
• M25: 20,098,923 km (0.105 R)
• M26: 23,487,763 km (0.085 R)
• M27: 24,289,309 km (0.061 R)
• M28: 28,011,005 km (0.099 R)
• M29: 29,369,652 km (0.111 R)
• M30: 31,609,581 km (0.038 R)
• M31: 32,462,738 km (0.105 R)
• M32: 34,726,902 km (0.109 R)
• M33: 36,825,760 km (0.062 R)
• M34: 36,959,800 km (0.103 R)
• M35: 41,854,492 km (0.102 R)
• M36: 44,836,576 km (0.115 R)
• M37: 46,535,410 km (0.093 R)
• M38: 54,105,810 km (0.087 R)
• M39: 56,207,510 km (0.114 R)
• M40: 63,605,125 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.9

Radius: 4.4

Gravity: 16.27 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 9.95 AU - 12.03 AU

Year: 23524 Days

Day: 16.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,433,781 km

• M1: 54,753 km (0.065 R)
• M2: 238,010 km (0.109 R)
• M3: 524,789 km (0.066 R)
• M4: 722,857 km (0.113 R)
• M5: 1,164,470 km (0.077 R)
• M6: 1,584,241 km (0.071 R)
• M7: 2,382,944 km (0.097 R)
• M8: 4,239,005 km (0.113 R)
• M9: 4,462,504 km (0.044 R)
• M10: 5,180,574 km (0.114 R)
• M11: 5,894,007 km (0.1 R)
• M12: 8,625,664 km (0.109 R)
• M13: 9,407,612 km (0.068 R)
• M14: 10,813,981 km (0.105 R)
• M15: 11,051,244 km (0.115 R)
• M16: 13,619,241 km (0.109 R)
• M17: 13,826,434 km (0.086 R)
• M18: 14,821,708 km (0.036 R)
• M19: 20,793,954 km (0.055 R)
• M20: 21,068,766 km (0.103 R)
• M21: 22,192,695 km (0.095 R)
• M22: 22,479,773 km (0.11 R)
• M23: 25,175,975 km (0.058 R)
• M24: 32,534,545 km (0.109 R)
• M25: 32,905,099 km (0.098 R)
• M26: 34,415,140 km (0.106 R)
• M27: 35,577,665 km (0.106 R)
• M28: 39,221,869 km (0.066 R)
• M29: 40,775,144 km (0.08 R)
• M30: 47,716,036 km (0.071 R)
• M31: 48,354,370 km (0.118 R)
• M32: 57,177,952 km (0.108 R)
• M33: 58,623,965 km (0.084 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 13,884 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit