🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.6

Radius: 11.4

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.64 AU - 0.88 AU

Year: 421 Days

Day: 11.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,950,302 km

• M1: 141,819 km (0.085 R)
• M2: 535,261 km (0.109 R)
• M3: 1,074,412 km (0.05 R)
• M4: 1,489,845 km (0.072 R)
• M5: 3,751,466 km (0.055 R)
• M6: 4,533,414 km (0.081 R)
• M7: 5,254,476 km (0.073 R)
• M8: 5,660,185 km (0.089 R)
• M9: 6,196,643 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.2

Radius: 10.1

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.55 AU - 2.53 AU

Year: 1853 Days

Day: 8.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,950,302 km

• M1: 125,662 km (0.044 R)
• M2: 459,565 km (0.066 R)
• M3: 775,515 km (0.096 R)
• M4: 1,159,683 km (0.11 R)
• M5: 1,490,294 km (0.094 R)
• M6: 1,980,825 km (0.099 R)
• M7: 5,413,648 km (0.106 R)
• M8: 5,834,766 km (0.067 R)
• M9: 6,558,221 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.2

Radius: 10.9

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.23 AU - 2.39 AU

Year: 2232 Days

Day: 8.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,950,302 km

• M1: 135,536 km (0.098 R)
• M2: 519,254 km (0.088 R)
• M3: 1,014,124 km (0.118 R)
• M4: 1,371,962 km (0.097 R)
• M5: 3,683,548 km (0.106 R)
• M6: 4,131,145 km (0.068 R)
• M7: 4,936,281 km (0.057 R)
• M8: 7,363,357 km (0.054 R)
• M9: 9,265,943 km (0.049 R)
• M10: 10,828,043 km (0.115 R)
• M11: 16,019,838 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.9

Radius: 13.2

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.39 AU - 2.55 AU

Year: 2468 Days

Day: 9.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,950,302 km

• M1: 164,707 km (0.119 R)
• M2: 583,282 km (0.074 R)
• M3: 1,068,129 km (0.104 R)
• M4: 1,652,308 km (0.115 R)
• M5: 2,147,627 km (0.118 R)
• M6: 2,696,053 km (0.073 R)
• M7: 3,112,683 km (0.038 R)
• M8: 4,391,894 km (0.032 R)
• M9: 5,138,986 km (0.086 R)
• M10: 5,864,087 km (0.072 R)
• M11: 7,365,152 km (0.116 R)
• M12: 7,865,258 km (0.05 R)
• M13: 8,421,313 km (0.061 R)
• M14: 9,179,924 km (0.107 R)
• M15: 10,993,200 km (0.057 R)
• M16: 14,723,722 km (0.077 R)
• M17: 15,368,189 km (0.079 R)
• M18: 16,713,523 km (0.087 R)
• M19: 19,460,289 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.1

Radius: 9.6

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.58 AU - 2.62 AU

Year: 2666 Days

Day: 10.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,950,302 km

• M1: 119,678 km (0.093 R)
• M2: 436,227 km (0.118 R)
• M3: 751,430 km (0.032 R)
• M4: 1,209,798 km (0.069 R)
• M5: 1,596,508 km (0.089 R)
• M6: 2,436,800 km (0.086 R)
• M7: 2,979,990 km (0.113 R)
• M8: 3,657,818 km (0.032 R)
• M9: 4,003,688 km (0.119 R)
• M10: 4,717,270 km (0.103 R)
• M11: 6,233,743 km (0.101 R)
• M12: 7,460,895 km (0.08 R)
• M13: 8,115,684 km (0.111 R)
• M14: 9,575,461 km (0.093 R)
• M15: 10,235,786 km (0.062 R)
• M16: 11,977,853 km (0.04 R)
• M17: 12,788,075 km (0.092 R)
• M18: 13,184,360 km (0.083 R)
• M19: 16,552,556 km (0.073 R)
• M20: 18,490,297 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853

Radius: 13.3

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.35 AU - 3.53 AU

Year: 4057 Days

Day: 6.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,950,302 km

• M1: 165,605 km (0.11 R)
• M2: 756,068 km (0.08 R)
• M3: 1,319,004 km (0.083 R)
• M4: 2,045,601 km (0.074 R)
• M5: 3,100,865 km (0.08 R)
• M6: 4,002,790 km (0.097 R)
• M7: 4,713,231 km (0.088 R)
• M8: 5,732,441 km (0.061 R)
• M9: 6,991,456 km (0.1 R)
• M10: 9,596,703 km (0.093 R)
• M11: 10,348,582 km (0.051 R)
• M12: 11,320,669 km (0.085 R)
• M13: 12,743,046 km (0.1 R)
• M14: 13,548,930 km (0.11 R)
• M15: 14,766,507 km (0.039 R)
• M16: 21,828,723 km (0.067 R)
• M17: 22,982,571 km (0.112 R)
• M18: 25,806,231 km (0.082 R)
• M19: 27,096,214 km (0.115 R)
• M20: 28,007,564 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.3

Radius: 8

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.25 AU - 4.35 AU

Year: 4710 Days

Day: 6.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,950,302 km

• M1: 99,483 km (0.113 R)
• M2: 498,909 km (0.117 R)
• M3: 795,262 km (0.117 R)
• M4: 1,146,817 km (0.098 R)
• M5: 1,468,901 km (0.066 R)
• M6: 1,888,972 km (0.051 R)
• M7: 2,254,889 km (0.057 R)
• M8: 2,571,587 km (0.1 R)
• M9: 3,147,838 km (0.046 R)
• M10: 4,371,399 km (0.109 R)
• M11: 5,398,538 km (0.099 R)
• M12: 6,025,054 km (0.098 R)
• M13: 7,197,004 km (0.095 R)
• M14: 8,196,916 km (0.103 R)
• M15: 9,826,785 km (0.1 R)
• M16: 10,346,937 km (0.07 R)
• M17: 11,399,059 km (0.107 R)
• M18: 11,661,752 km (0.103 R)
• M19: 13,421,173 km (0.085 R)
• M20: 13,961,820 km (0.094 R)
• M21: 14,825,897 km (0.11 R)
• M22: 15,941,897 km (0.052 R)
• M23: 16,436,916 km (0.099 R)
• M24: 18,400,089 km (0.049 R)
• M25: 19,252,049 km (0.068 R)
• M26: 19,687,828 km (0.06 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.1

Radius: 14

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.68 AU - 4.06 AU

Year: 4841 Days

Day: 14 Hours

Environment

Temp: -212 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,950,302 km

• M1: 175,927 km (0.066 R)
• M2: 920,924 km (0.07 R)
• M3: 1,456,634 km (0.113 R)
• M4: 2,570,839 km (0.107 R)
• M5: 3,544,273 km (0.079 R)
• M6: 9,835,611 km (0.107 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.9

Radius: 13.9

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.52 AU - 5.78 AU

Year: 7431 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,950,302 km

• M1: 172,935 km (0.093 R)
• M2: 671,844 km (0.105 R)
• M3: 1,422,676 km (0.087 R)
• M4: 1,977,684 km (0.063 R)
• M5: 2,415,407 km (0.093 R)
• M6: 3,035,490 km (0.116 R)
• M7: 3,535,895 km (0.062 R)
• M8: 4,214,471 km (0.091 R)
• M9: 4,759,007 km (0.094 R)
• M10: 5,350,368 km (0.107 R)
• M11: 7,099,765 km (0.103 R)
• M12: 7,760,090 km (0.099 R)
• M13: 9,900,985 km (0.098 R)
• M14: 11,156,261 km (0.105 R)
• M15: 11,697,207 km (0.068 R)
• M16: 13,981,716 km (0.098 R)
• M17: 14,962,330 km (0.073 R)
• M18: 16,740,151 km (0.105 R)
• M19: 25,525,585 km (0.072 R)
• M20: 32,307,605 km (0.067 R)
• M21: 32,805,018 km (0.058 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: 419 - 17,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit