🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.3

Radius: 8.8

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.69 AU - 1.03 AU

Year: 551 Days

Day: 5.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,484,356 km

• M1: 109,506 km (0.109 R)
• M2: 451,038 km (0.119 R)
• M3: 1,590,973 km (0.069 R)
• M4: 2,355,418 km (0.08 R)
• M5: 3,104,754 km (0.081 R)
• M6: 3,560,729 km (0.078 R)
• M7: 4,454,576 km (0.094 R)
• M8: 4,938,076 km (0.098 R)
• M9: 5,234,729 km (0.072 R)
• M10: 6,028,645 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.5

Radius: 11.4

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.81 AU - 0.95 AU

Year: 570 Days

Day: 9.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,484,356 km

• M1: 160,519 km (0.038 R)
• M2: 550,969 km (0.079 R)
• M3: 955,930 km (0.059 R)
• M4: 1,343,239 km (0.097 R)
• M5: 1,945,221 km (0.106 R)
• M6: 2,305,602 km (0.068 R)
• M7: 2,681,093 km (0.103 R)
• M8: 3,130,635 km (0.049 R)
• M9: 4,116,036 km (0.055 R)
• M10: 4,558,247 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320

Radius: 11

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.02 AU - 1.56 AU

Year: 1011 Days

Day: 10 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,484,356 km

• M1: 136,882 km (0.112 R)
• M2: 575,802 km (0.107 R)
• M3: 981,960 km (0.05 R)
• M4: 1,450,052 km (0.098 R)
• M5: 2,065,199 km (0.025 R)
• M6: 2,449,815 km (0.091 R)
• M7: 2,847,296 km (0.074 R)
• M8: 4,528,776 km (0.03 R)
• M9: 4,874,497 km (0.105 R)
• M10: 7,049,351 km (0.105 R)
• M11: 7,860,919 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.1

Radius: 10.2

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.46 AU - 1.88 AU

Year: 1490 Days

Day: 5.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,484,356 km

• M1: 127,009 km (0.07 R)
• M2: 513,420 km (0.108 R)
• M3: 1,516,623 km (0.108 R)
• M4: 2,042,909 km (0.047 R)
• M5: 2,385,787 km (0.066 R)
• M6: 3,248,667 km (0.077 R)
• M7: 4,128,303 km (0.107 R)
• M8: 4,624,070 km (0.04 R)
• M9: 4,956,327 km (0.052 R)
• M10: 5,801,854 km (0.051 R)
• M11: 6,119,600 km (0.039 R)
• M12: 6,569,441 km (0.107 R)
• M13: 6,939,995 km (0.034 R)
• M14: 7,298,581 km (0.116 R)
• M15: 8,108,653 km (0.084 R)
• M16: 9,158,681 km (0.102 R)
• M17: 9,875,554 km (0.112 R)
• M18: 12,776,406 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.3

Radius: 14

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.5 AU - 1.9 AU

Year: 1530 Days

Day: 12.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,484,356 km

• M1: 174,282 km (0.075 R)
• M2: 740,958 km (0.076 R)
• M3: 1,204,861 km (0.111 R)
• M4: 1,905,578 km (0.062 R)
• M5: 2,382,346 km (0.117 R)
• M6: 3,110,738 km (0.076 R)
• M7: 4,478,960 km (0.091 R)
• M8: 5,191,345 km (0.094 R)
• M9: 6,821,962 km (0.095 R)
• M10: 8,222,497 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.4

Radius: 11.4

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.64 AU - 2.58 AU

Year: 2116 Days

Day: 7.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,484,356 km

• M1: 143,614 km (0.074 R)
• M2: 1,849,927 km (0.114 R)
• M3: 2,250,251 km (0.103 R)
• M4: 2,756,640 km (0.029 R)
• M5: 3,215,606 km (0.05 R)
• M6: 3,770,166 km (0.078 R)
• M7: 5,410,805 km (0.118 R)
• M8: 6,564,355 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.4

Radius: 11.6

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.93 AU - 3.19 AU

Year: 2827 Days

Day: 7.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,484,356 km

• M1: 149,299 km (0.096 R)
• M2: 582,385 km (0.051 R)
• M3: 990,488 km (0.083 R)
• M4: 2,924,040 km (0.105 R)
• M5: 3,552,351 km (0.099 R)
• M6: 4,814,059 km (0.084 R)
• M7: 5,203,014 km (0.12 R)
• M8: 6,240,176 km (0.107 R)
• M9: 6,644,539 km (0.102 R)
• M10: 8,440,611 km (0.102 R)
• M11: 11,325,905 km (0.071 R)
• M12: 12,150,040 km (0.087 R)
• M13: 14,015,525 km (0.089 R)
• M14: 15,222,631 km (0.109 R)
• M15: 16,280,437 km (0.093 R)
• M16: 18,248,397 km (0.076 R)
• M17: 18,958,239 km (0.078 R)
• M18: 19,686,481 km (0.089 R)
• M19: 21,785,489 km (0.05 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.1

Radius: 13.4

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.32 AU - 3.42 AU

Year: 3356 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,484,356 km

• M1: 167,699 km (0.055 R)
• M2: 673,340 km (0.086 R)
• M3: 1,097,450 km (0.098 R)
• M4: 2,091,229 km (0.066 R)
• M5: 2,600,609 km (0.11 R)
• M6: 3,192,867 km (0.085 R)
• M7: 3,968,084 km (0.115 R)
• M8: 4,998,065 km (0.12 R)
• M9: 5,433,544 km (0.038 R)
• M10: 5,944,421 km (0.075 R)
• M11: 7,035,139 km (0.1 R)
• M12: 8,255,110 km (0.078 R)
• M13: 9,370,063 km (0.071 R)
• M14: 10,958,942 km (0.072 R)
• M15: 12,553,505 km (0.117 R)
• M16: 14,116,354 km (0.107 R)
• M17: 14,665,229 km (0.07 R)
• M18: 16,149,090 km (0.12 R)
• M19: 16,953,029 km (0.078 R)
• M20: 17,468,992 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.3

Radius: 6

Gravity: 22.31 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.79 AU - 6.59 AU

Year: 9369 Days

Day: 23.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,484,356 km

• M1: 74,649 km (0.1 R)
• M2: 422,016 km (0.113 R)
• M3: 759,508 km (0.043 R)
• M4: 1,158,336 km (0.057 R)
• M5: 1,432,250 km (0.094 R)
• M6: 1,858,903 km (0.066 R)
• M7: 3,007,665 km (0.082 R)
• M8: 3,578,531 km (0.116 R)
• M9: 4,507,384 km (0.103 R)
• M10: 5,485,754 km (0.044 R)
• M11: 6,224,319 km (0.102 R)
• M12: 7,432,770 km (0.105 R)
• M13: 8,790,072 km (0.106 R)
• M14: 15,268,557 km (0.054 R)
• M15: 15,470,664 km (0.104 R)
• M16: 15,674,416 km (0.106 R)
• M17: 19,497,539 km (0.084 R)
• M18: 20,788,419 km (0.116 R)
• M19: 27,406,031 km (0.062 R)
• M20: 29,855,247 km (0.038 R)
• M21: 31,132,962 km (0.12 R)
• M22: 32,004,669 km (0.044 R)
• M23: 34,255,070 km (0.085 R)
• M24: 34,950,251 km (0.104 R)
• M25: 37,702,403 km (0.09 R)
• M26: 38,071,761 km (0.068 R)
• M27: 41,113,534 km (0.089 R)
• M28: 43,633,510 km (0.057 R)
• M29: 44,040,566 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.7

Radius: 7.5

Gravity: 17.38 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.56 AU - 7.1 AU

Year: 10993 Days

Day: 19.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,484,356 km

• M1: 93,349 km (0.077 R)
• M2: 395,537 km (0.112 R)
• M3: 828,623 km (0.07 R)
• M4: 1,149,211 km (0.085 R)
• M5: 1,689,858 km (0.094 R)
• M6: 2,081,654 km (0.084 R)
• M7: 2,409,274 km (0.053 R)
• M8: 2,906,986 km (0.119 R)
• M9: 3,523,927 km (0.113 R)
• M10: 3,821,627 km (0.104 R)
• M11: 4,817,351 km (0.061 R)
• M12: 6,400,694 km (0.062 R)
• M13: 7,397,016 km (0.093 R)
• M14: 7,978,054 km (0.107 R)
• M15: 8,445,548 km (0.061 R)
• M16: 9,231,086 km (0.083 R)
• M17: 9,798,810 km (0.103 R)
• M18: 11,524,272 km (0.077 R)
• M19: 13,970,646 km (0.101 R)
• M20: 14,443,674 km (0.114 R)
• M21: 18,539,814 km (0.065 R)
• M22: 19,111,128 km (0.086 R)
• M23: 21,783,245 km (0.086 R)
• M24: 23,067,842 km (0.097 R)
• M25: 26,090,617 km (0.08 R)
• M26: 27,433,258 km (0.093 R)
• M27: 27,749,507 km (0.043 R)
• M28: 35,090,425 km (0.11 R)
• M29: 37,885,511 km (0.063 R)
• M30: 40,825,558 km (0.087 R)
• M31: 44,058,368 km (0.116 R)
• M32: 46,554,708 km (0.114 R)
• M33: 49,610,394 km (0.11 R)
• M34: 50,869,260 km (0.118 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 13,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit