🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.5

Radius: 14.7

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.58 AU - 0.78 AU

Year: 357 Days

Day: 9.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 45,543,074 km

• M1: 183,407 km (0.096 R)
• M2: 862,731 km (0.117 R)
• M3: 1,474,137 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.3

Radius: 10.9

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.39 AU - 1.41 AU

Year: 1053 Days

Day: 7 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,543,074 km

• M1: 135,835 km (0.106 R)
• M2: 611,406 km (0.115 R)
• M3: 954,883 km (0.116 R)
• M4: 1,564,943 km (0.098 R)
• M5: 2,011,942 km (0.088 R)
• M6: 2,430,217 km (0.118 R)
• M7: 3,144,846 km (0.066 R)
• M8: 3,564,319 km (0.058 R)
• M9: 4,291,215 km (0.096 R)
• M10: 5,663,327 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.7

Radius: 9.4

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.51 AU - 1.59 AU

Year: 1227 Days

Day: 9.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,543,074 km

• M1: 117,285 km (0.083 R)
• M2: 533,316 km (0.081 R)
• M3: 1,068,428 km (0.094 R)
• M4: 1,405,921 km (0.077 R)
• M5: 1,729,052 km (0.076 R)
• M6: 2,372,473 km (0.068 R)
• M7: 2,704,730 km (0.069 R)
• M8: 3,298,783 km (0.12 R)
• M9: 3,619,221 km (0.054 R)
• M10: 3,927,094 km (0.059 R)
• M11: 4,270,271 km (0.116 R)
• M12: 5,036,661 km (0.101 R)
• M13: 5,463,314 km (0.089 R)
• M14: 5,804,547 km (0.087 R)
• M15: 6,205,320 km (0.096 R)
• M16: 7,087,498 km (0.098 R)
• M17: 7,597,926 km (0.036 R)
• M18: 7,942,749 km (0.111 R)
• M19: 9,549,281 km (0.05 R)
• M20: 10,364,589 km (0.105 R)
• M21: 11,396,366 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.1

Radius: 5.4

Gravity: 20.24 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.82 AU - 6.9 AU

Year: 10198 Days

Day: 20.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,543,074 km

• M1: 67,169 km (0.119 R)
• M2: 878,140 km (0.095 R)
• M3: 1,376,300 km (0.108 R)
• M4: 1,817,465 km (0.057 R)
• M5: 2,741,531 km (0.074 R)
• M6: 3,437,161 km (0.078 R)
• M7: 3,917,819 km (0.099 R)
• M8: 4,384,863 km (0.082 R)
• M9: 5,043,543 km (0.095 R)
• M10: 6,296,574 km (0.101 R)
• M11: 7,053,839 km (0.075 R)
• M12: 8,127,054 km (0.116 R)
• M13: 12,391,192 km (0.077 R)
• M14: 13,759,264 km (0.108 R)
• M15: 16,862,373 km (0.102 R)
• M16: 25,788,429 km (0.075 R)
• M17: 31,190,857 km (0.089 R)
• M18: 38,025,834 km (0.066 R)
• M19: 38,514,121 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.2

Radius: 6.9

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.23 AU - 7.65 AU

Year: 10391 Days

Day: 18.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 45,543,074 km

• M1: 86,767 km (0.112 R)
• M2: 367,113 km (0.102 R)
• M3: 660,475 km (0.079 R)
• M4: 890,257 km (0.066 R)
• M5: 1,478,476 km (0.055 R)
• M6: 2,428,422 km (0.101 R)
• M7: 2,904,891 km (0.067 R)
• M8: 3,964,344 km (0.063 R)
• M9: 4,653,840 km (0.101 R)
• M10: 8,353,844 km (0.083 R)
• M11: 8,928,450 km (0.099 R)
• M12: 9,434,988 km (0.076 R)
• M13: 10,862,152 km (0.062 R)
• M14: 11,332,936 km (0.09 R)
• M15: 12,315,046 km (0.047 R)
• M16: 13,471,737 km (0.086 R)
• M17: 13,711,393 km (0.113 R)
• M18: 15,404,990 km (0.103 R)
• M19: 15,799,480 km (0.118 R)
• M20: 18,018,016 km (0.072 R)
• M21: 19,201,635 km (0.115 R)
• M22: 21,722,808 km (0.114 R)
• M23: 21,969,943 km (0.107 R)
• M24: 24,279,286 km (0.102 R)
• M25: 24,813,500 km (0.085 R)
• M26: 27,990,510 km (0.115 R)
• M27: 28,874,783 km (0.1 R)
• M28: 32,276,638 km (0.087 R)
• M29: 34,687,109 km (0.111 R)
• M30: 37,687,743 km (0.113 R)
• M31: 41,612,593 km (0.11 R)
• M32: 43,673,602 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.1

Radius: 6.2

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.72 AU - 12.2 AU

Year: 19986 Days

Day: 19 Hours

Environment

Temp: -227 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,543,074 km

• M1: 84,672 km (0.073 R)
• M2: 1,151,904 km (0.049 R)
• M3: 1,580,950 km (0.046 R)
• M4: 2,591,634 km (0.1 R)
• M5: 4,589,663 km (0.033 R)
• M6: 15,605,152 km (0.113 R)
• M7: 17,403,169 km (0.117 R)
• M8: 21,322,783 km (0.048 R)
• M9: 27,314,776 km (0.103 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 18,606 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit