🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.6

Radius: 8.7

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.6 AU - 0.7 AU

Year: 362 Days

Day: 13.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,325,507 km

• M1: 108,159 km (0.06 R)
• M2: 546,631 km (0.113 R)
• M3: 865,124 km (0.085 R)
• M4: 1,789,191 km (0.088 R)
• M5: 2,221,080 km (0.111 R)
• M6: 2,766,813 km (0.074 R)
• M7: 3,121,509 km (0.038 R)
• M8: 4,161,514 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861

Radius: 12.1

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.35 AU - 3.91 AU

Year: 4774 Days

Day: 13 Hours

Environment

Temp: -218 °C

Axial Tilt: 178.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,325,507 km

• M1: 265,387 km (0.117 R)
• M2: 901,626 km (0.065 R)
• M3: 1,332,767 km (0.113 R)
• M4: 1,769,294 km (0.025 R)
• M5: 2,581,610 km (0.096 R)
• M6: 3,584,963 km (0.11 R)
• M7: 4,805,682 km (0.069 R)
• M8: 5,241,012 km (0.099 R)
• M9: 6,543,560 km (0.1 R)
• M10: 8,588,863 km (0.03 R)
• M11: 10,125,981 km (0.108 R)
• M12: 10,983,027 km (0.102 R)
• M13: 16,739,254 km (0.068 R)
• M14: 18,131,412 km (0.03 R)
• M15: 19,736,746 km (0.072 R)
• M16: 23,926,235 km (0.064 R)
• M17: 25,039,243 km (0.115 R)
• M18: 27,368,482 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.5

Radius: 9.9

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.23 AU - 4.37 AU

Year: 5113 Days

Day: 8.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,325,507 km

• M1: 123,867 km (0.096 R)
• M2: 467,344 km (0.11 R)
• M3: 823,985 km (0.085 R)
• M4: 1,429,108 km (0.064 R)
• M5: 2,194,601 km (0.11 R)
• M6: 4,136,082 km (0.032 R)
• M7: 4,519,052 km (0.102 R)
• M8: 5,840,301 km (0.07 R)
• M9: 7,370,388 km (0.077 R)
• M10: 9,151,650 km (0.047 R)
• M11: 10,243,265 km (0.062 R)
• M12: 10,570,586 km (0.12 R)
• M13: 11,117,366 km (0.088 R)
• M14: 14,442,926 km (0.093 R)
• M15: 19,356,319 km (0.033 R)
• M16: 19,668,530 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.2

Radius: 14.2

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.21 AU - 5.09 AU

Year: 6921 Days

Day: 6.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,325,507 km

• M1: 176,525 km (0.098 R)
• M2: 784,790 km (0.092 R)
• M3: 1,474,287 km (0.076 R)
• M4: 2,344,348 km (0.118 R)
• M5: 2,810,046 km (0.041 R)
• M6: 3,581,074 km (0.114 R)
• M7: 4,229,880 km (0.118 R)
• M8: 5,577,607 km (0.103 R)
• M9: 7,568,455 km (0.073 R)
• M10: 8,809,220 km (0.046 R)
• M11: 9,589,523 km (0.094 R)
• M12: 10,415,602 km (0.049 R)
• M13: 11,949,130 km (0.117 R)
• M14: 12,421,410 km (0.105 R)
• M15: 14,086,435 km (0.076 R)
• M16: 15,033,240 km (0.113 R)
• M17: 16,339,678 km (0.101 R)
• M18: 18,894,510 km (0.076 R)
• M19: 20,864,415 km (0.085 R)
• M20: 22,409,611 km (0.047 R)
• M21: 23,454,253 km (0.106 R)
• M22: 26,872,266 km (0.111 R)
• M23: 27,684,881 km (0.084 R)
• M24: 36,077,471 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.7

Radius: 5.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.69 AU - 6.75 AU

Year: 12024 Days

Day: 20.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,325,507 km

• M1: 214,673 km (0.12 R)
• M2: 1,405,322 km (0.091 R)
• M3: 2,807,952 km (0.098 R)
• M4: 3,264,674 km (0.099 R)
• M5: 5,120,286 km (0.038 R)
• M6: 7,944,245 km (0.061 R)
• M7: 12,951,436 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.5

Radius: 5.1

Gravity: 14.98 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.88 AU - 8.38 AU

Year: 16001 Days

Day: 23.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,325,507 km

• M1: 63,429 km (0.093 R)
• M2: 289,921 km (0.107 R)
• M3: 453,581 km (0.115 R)
• M4: 851,661 km (0.104 R)
• M5: 2,350,183 km (0.055 R)
• M6: 3,088,149 km (0.048 R)
• M7: 3,382,258 km (0.061 R)
• M8: 4,591,757 km (0.051 R)
• M9: 5,074,210 km (0.092 R)
• M10: 6,644,689 km (0.073 R)
• M11: 7,176,958 km (0.119 R)
• M12: 7,737,202 km (0.11 R)
• M13: 9,954,542 km (0.095 R)
• M14: 10,595,868 km (0.103 R)
• M15: 11,151,175 km (0.086 R)
• M16: 12,933,185 km (0.04 R)
• M17: 14,827,991 km (0.11 R)
• M18: 16,383,510 km (0.086 R)
• M19: 16,825,871 km (0.069 R)
• M20: 17,889,063 km (0.062 R)
• M21: 18,595,614 km (0.105 R)
• M22: 18,755,235 km (0.1 R)
• M23: 21,433,635 km (0.072 R)
• M24: 23,416,106 km (0.096 R)
• M25: 24,739,449 km (0.1 R)
• M26: 26,715,337 km (0.067 R)
• M27: 28,475,356 km (0.109 R)
• M28: 30,532,477 km (0.077 R)
• M29: 31,427,371 km (0.065 R)
• M30: 40,953,763 km (0.102 R)
• M31: 45,132,630 km (0.103 R)
• M32: 47,622,388 km (0.074 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 10,602 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit