🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.1

Radius: 15

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.49 AU - 0.59 AU

Year: 265 Days

Day: 12.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,054,192 km

• M1: 186,549 km (0.108 R)
• M2: 652,995 km (0.102 R)
• M3: 1,173,446 km (0.081 R)
• M4: 1,745,658 km (0.105 R)
• M5: 2,435,753 km (0.066 R)
• M6: 3,409,635 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.2

Radius: 14.7

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.58 AU - 1.6 AU

Year: 1337 Days

Day: 7.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,054,192 km

• M1: 182,958 km (0.12 R)
• M2: 677,978 km (0.054 R)
• M3: 1,191,397 km (0.075 R)
• M4: 2,855,973 km (0.048 R)
• M5: 3,350,843 km (0.1 R)
• M6: 5,109,814 km (0.081 R)
• M7: 6,355,815 km (0.063 R)
• M8: 7,145,094 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.9

Radius: 10.8

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.41 AU - 2.15 AU

Year: 1584 Days

Day: 8.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,054,192 km

• M1: 134,339 km (0.118 R)
• M2: 828,772 km (0.098 R)
• M3: 1,319,004 km (0.098 R)
• M4: 1,749,098 km (0.03 R)
• M5: 2,824,707 km (0.072 R)
• M6: 3,220,094 km (0.083 R)
• M7: 3,635,079 km (0.079 R)
• M8: 3,974,217 km (0.057 R)
• M9: 4,373,793 km (0.085 R)
• M10: 6,764,367 km (0.083 R)
• M11: 9,280,005 km (0.101 R)
• M12: 13,470,391 km (0.099 R)
• M13: 14,288,392 km (0.093 R)
• M14: 15,368,638 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.7

Radius: 8.7

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.48 AU - 3.28 AU

Year: 3259 Days

Day: 11.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,054,192 km

• M1: 110,254 km (0.102 R)
• M2: 382,971 km (0.114 R)
• M3: 734,526 km (0.069 R)
• M4: 1,029,233 km (0.077 R)
• M5: 1,744,610 km (0.112 R)
• M6: 2,022,264 km (0.104 R)
• M7: 3,095,928 km (0.107 R)
• M8: 3,400,659 km (0.119 R)
• M9: 4,003,837 km (0.119 R)
• M10: 5,546,790 km (0.096 R)
• M11: 6,544,757 km (0.109 R)
• M12: 7,451,320 km (0.116 R)
• M13: 7,868,399 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.1

Radius: 6.7

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.48 AU - 6.34 AU

Year: 9581 Days

Day: 17.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,054,192 km

• M1: 85,570 km (0.09 R)
• M2: 310,715 km (0.104 R)
• M3: 520,601 km (0.111 R)
• M4: 1,546,692 km (0.079 R)
• M5: 3,691,627 km (0.096 R)
• M6: 3,989,626 km (0.081 R)
• M7: 5,063,738 km (0.043 R)
• M8: 5,461,220 km (0.1 R)
• M9: 5,787,942 km (0.077 R)
• M10: 6,033,731 km (0.101 R)
• M11: 7,368,892 km (0.104 R)
• M12: 8,729,485 km (0.12 R)
• M13: 10,072,425 km (0.087 R)
• M14: 10,839,413 km (0.054 R)
• M15: 16,338,182 km (0.116 R)
• M16: 17,079,738 km (0.077 R)
• M17: 21,491,081 km (0.066 R)
• M18: 21,932,843 km (0.079 R)
• M19: 24,154,521 km (0.086 R)
• M20: 28,950,330 km (0.083 R)
• M21: 30,587,379 km (0.112 R)
• M22: 31,428,568 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.5

Radius: 5.5

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.1 AU - 7.2 AU

Year: 10170 Days

Day: 19.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,054,192 km

• M1: 68,665 km (0.115 R)
• M2: 413,339 km (0.105 R)
• M3: 632,201 km (0.09 R)
• M4: 1,081,593 km (0.081 R)
• M5: 1,313,170 km (0.066 R)
• M6: 2,810,196 km (0.055 R)
• M7: 3,080,519 km (0.091 R)
• M8: 3,974,965 km (0.082 R)
• M9: 7,612,437 km (0.11 R)
• M10: 8,915,435 km (0.104 R)
• M11: 9,740,766 km (0.084 R)
• M12: 11,227,470 km (0.096 R)
• M13: 18,072,769 km (0.067 R)
• M14: 21,380,079 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.5

Radius: 4.5

Gravity: 38.05 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.92 AU - 7.92 AU

Year: 12139 Days

Day: 22.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 62,054,192 km

• M1: 58,792 km (0.111 R)
• M2: 239,656 km (0.093 R)
• M3: 409,001 km (0.095 R)
• M4: 1,260,362 km (0.083 R)
• M5: 1,616,854 km (0.085 R)
• M6: 1,793,678 km (0.056 R)
• M7: 2,569,942 km (0.072 R)
• M8: 2,744,373 km (0.103 R)
• M9: 2,926,434 km (0.12 R)
• M10: 3,391,833 km (0.104 R)
• M11: 5,117,444 km (0.057 R)
• M12: 5,324,039 km (0.057 R)
• M13: 5,500,415 km (0.105 R)
• M14: 5,864,835 km (0.08 R)
• M15: 7,012,999 km (0.075 R)
• M16: 7,225,128 km (0.113 R)
• M17: 8,116,582 km (0.112 R)
• M18: 10,999,034 km (0.091 R)
• M19: 11,285,514 km (0.109 R)
• M20: 12,481,399 km (0.115 R)
• M21: 16,127,398 km (0.083 R)
• M22: 16,721,601 km (0.118 R)
• M23: 22,466,159 km (0.099 R)
• M24: 23,583,356 km (0.085 R)
• M25: 27,260,622 km (0.066 R)
• M26: 27,996,793 km (0.046 R)
• M27: 30,508,990 km (0.038 R)
• M28: 31,877,361 km (0.106 R)
• M29: 34,127,014 km (0.072 R)
• M30: 35,476,537 km (0.099 R)
• M31: 38,281,796 km (0.06 R)
• M32: 38,543,891 km (0.059 R)
• M33: 41,506,677 km (0.057 R)
• M34: 44,762,824 km (0.084 R)
• M35: 49,105,651 km (0.111 R)
• M36: 49,881,764 km (0.094 R)
• M37: 51,777,768 km (0.091 R)
• M38: 53,393,874 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235.8

Radius: 4.3

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.39 AU - 8.55 AU

Year: 13615 Days

Day: 24.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,054,192 km

• M1: 85,570 km (0.108 R)
• M2: 486,343 km (0.089 R)
• M3: 1,079,498 km (0.059 R)
• M4: 1,353,861 km (0.085 R)
• M5: 1,548,039 km (0.098 R)
• M6: 2,057,569 km (0.034 R)
• M7: 2,279,423 km (0.11 R)
• M8: 3,194,962 km (0.118 R)
• M9: 4,414,783 km (0.11 R)
• M10: 5,204,959 km (0.098 R)
• M11: 7,486,625 km (0.043 R)
• M12: 7,888,296 km (0.117 R)
• M13: 13,769,437 km (0.086 R)
• M14: 23,533,091 km (0.081 R)
• M15: 27,473,649 km (0.104 R)
• M16: 28,138,611 km (0.11 R)
• M17: 37,550,711 km (0.099 R)
• M18: 37,900,172 km (0.057 R)
• M19: 39,199,579 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.6

Radius: 4.6

Gravity: 18.36 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.52 AU - 11.5 AU

Year: 19557 Days

Day: 23.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,054,192 km

• M1: 57,296 km (0.091 R)
• M2: 216,618 km (0.115 R)
• M3: 753,973 km (0.062 R)
• M4: 1,403,677 km (0.075 R)
• M5: 2,185,475 km (0.061 R)
• M6: 2,430,068 km (0.046 R)
• M7: 4,175,725 km (0.078 R)
• M8: 7,262,079 km (0.108 R)
• M9: 7,947,088 km (0.098 R)
• M10: 8,184,799 km (0.079 R)
• M11: 12,405,553 km (0.091 R)
• M12: 15,781,827 km (0.118 R)
• M13: 19,465,226 km (0.055 R)
• M14: 24,875,583 km (0.103 R)
• M15: 29,704,901 km (0.073 R)
• M16: 32,519,286 km (0.09 R)
• M17: 37,729,331 km (0.077 R)
• M18: 58,587,014 km (0.104 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 16,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit