🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.7

Radius: 8

Gravity: 13.79 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.56 AU - 0.6 AU

Year: 305 Days

Day: 8.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,116,948 km

• M1: 99,483 km (0.114 R)
• M2: 350,209 km (0.047 R)
• M3: 644,617 km (0.091 R)
• M4: 894,146 km (0.072 R)
• M5: 1,183,020 km (0.092 R)
• M6: 1,668,914 km (0.113 R)
• M7: 1,954,646 km (0.093 R)
• M8: 2,504,717 km (0.081 R)
• M9: 2,761,876 km (0.085 R)
• M10: 3,015,743 km (0.107 R)
• M11: 3,352,339 km (0.096 R)
• M12: 4,114,241 km (0.11 R)
• M13: 4,460,410 km (0.102 R)
• M14: 4,711,435 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.7

Radius: 8.1

Gravity: 13.03 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.77 AU - 0.85 AU

Year: 503 Days

Day: 5.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,116,948 km

• M1: 101,278 km (0.054 R)
• M2: 463,454 km (0.111 R)
• M3: 758,012 km (0.073 R)
• M4: 1,020,407 km (0.104 R)
• M5: 1,561,054 km (0.093 R)
• M6: 2,223,473 km (0.083 R)
• M7: 3,084,409 km (0.109 R)
• M8: 3,597,230 km (0.066 R)
• M9: 4,464,300 km (0.107 R)
• M10: 4,906,212 km (0.069 R)
• M11: 6,007,252 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.2

Radius: 9.3

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.11 AU - 1.59 AU

Year: 1083 Days

Day: 9.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,116,948 km

• M1: 115,639 km (0.072 R)
• M2: 446,101 km (0.106 R)
• M3: 802,593 km (0.097 R)
• M4: 1,543,252 km (0.105 R)
• M5: 2,147,029 km (0.097 R)
• M6: 2,635,765 km (0.062 R)
• M7: 3,211,417 km (0.119 R)
• M8: 3,916,323 km (0.066 R)
• M9: 4,812,713 km (0.091 R)
• M10: 5,714,489 km (0.097 R)
• M11: 6,140,095 km (0.089 R)
• M12: 7,224,081 km (0.098 R)
• M13: 8,539,196 km (0.053 R)
• M14: 8,898,530 km (0.118 R)
• M15: 10,532,288 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.6

Radius: 14.6

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.4 AU - 1.64 AU

Year: 1294 Days

Day: 10.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,116,948 km

• M1: 191,635 km (0.097 R)
• M2: 675,734 km (0.097 R)
• M3: 1,289,833 km (0.072 R)
• M4: 1,817,913 km (0.082 R)
• M5: 2,359,458 km (0.071 R)
• M6: 2,932,717 km (0.078 R)
• M7: 3,569,555 km (0.106 R)
• M8: 4,347,314 km (0.063 R)
• M9: 4,830,964 km (0.108 R)
• M10: 5,388,964 km (0.097 R)
• M11: 6,547,001 km (0.107 R)
• M12: 7,399,260 km (0.116 R)
• M13: 8,067,065 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.5

Radius: 11.1

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.09 AU - 2.92 AU

Year: 2728 Days

Day: 13.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,116,948 km

• M1: 138,378 km (0.049 R)
• M2: 498,759 km (0.084 R)
• M3: 940,522 km (0.055 R)
• M4: 1,359,994 km (0.11 R)
• M5: 1,804,450 km (0.072 R)
• M6: 2,507,260 km (0.081 R)
• M7: 3,487,426 km (0.072 R)
• M8: 4,475,220 km (0.084 R)
• M9: 6,113,018 km (0.083 R)
• M10: 6,747,911 km (0.112 R)
• M11: 7,252,654 km (0.076 R)
• M12: 10,529,147 km (0.099 R)
• M13: 11,403,098 km (0.118 R)
• M14: 13,999,967 km (0.111 R)
• M15: 14,544,803 km (0.112 R)
• M16: 17,483,354 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.8

Radius: 7

Gravity: 13.81 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.74 AU - 7.14 AU

Year: 11281 Days

Day: 17.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,116,948 km

• M1: 89,908 km (0.114 R)
• M2: 792,121 km (0.116 R)
• M3: 1,295,218 km (0.073 R)
• M4: 3,518,093 km (0.085 R)
• M5: 5,114,302 km (0.103 R)
• M6: 5,415,144 km (0.078 R)
• M7: 6,504,366 km (0.095 R)
• M8: 6,857,866 km (0.112 R)
• M9: 7,646,396 km (0.078 R)
• M10: 8,219,655 km (0.067 R)
• M11: 10,640,597 km (0.119 R)
• M12: 16,326,812 km (0.112 R)
• M13: 17,726,450 km (0.11 R)
• M14: 18,339,053 km (0.099 R)
• M15: 27,331,980 km (0.091 R)
• M16: 28,982,792 km (0.091 R)
• M17: 33,980,109 km (0.063 R)
• M18: 35,644,834 km (0.058 R)
• M19: 40,173,611 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.4

Radius: 6.9

Gravity: 17.19 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.13 AU - 6.75 AU

Year: 11281 Days

Day: 23.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,116,948 km

• M1: 89,011 km (0.079 R)
• M2: 311,164 km (0.097 R)
• M3: 956,080 km (0.061 R)
• M4: 2,027,650 km (0.115 R)
• M5: 2,964,731 km (0.08 R)
• M6: 3,962,548 km (0.072 R)
• M7: 7,471,965 km (0.105 R)
• M8: 7,868,399 km (0.052 R)
• M9: 9,392,203 km (0.067 R)
• M10: 10,878,608 km (0.082 R)
• M11: 12,151,685 km (0.057 R)
• M12: 12,886,510 km (0.12 R)
• M13: 15,338,718 km (0.031 R)
• M14: 18,719,780 km (0.101 R)
• M15: 21,143,864 km (0.083 R)
• M16: 36,826,059 km (0.116 R)
• M17: 42,937,880 km (0.104 R)
• M18: 46,970,739 km (0.034 R)
• M19: 47,716,485 km (0.089 R)
• M20: 50,156,127 km (0.054 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 16,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit