🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.4

Radius: 12.2

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.63 AU - 1.01 AU

Year: 479 Days

Day: 5.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,788,998 km

• M1: 152,291 km (0.112 R)
• M2: 589,266 km (0.094 R)
• M3: 1,002,605 km (0.115 R)
• M4: 1,434,195 km (0.094 R)
• M5: 1,825,543 km (0.115 R)
• M6: 2,404,935 km (0.112 R)
• M7: 2,887,089 km (0.071 R)
• M8: 3,395,722 km (0.062 R)
• M9: 3,977,957 km (0.1 R)
• M10: 4,487,787 km (0.077 R)
• M11: 5,873,512 km (0.119 R)
• M12: 6,655,460 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.7

Radius: 11.3

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.79 AU - 1.03 AU

Year: 561 Days

Day: 7 Hours

Environment

Temp: -163 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,788,998 km

• M1: 140,622 km (0.119 R)
• M2: 528,679 km (0.114 R)
• M3: 887,415 km (0.114 R)
• M4: 1,344,885 km (0.044 R)
• M5: 2,025,406 km (0.101 R)
• M6: 2,510,103 km (0.059 R)
• M7: 2,923,591 km (0.088 R)
• M8: 3,960,903 km (0.089 R)
• M9: 4,369,455 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.5

Radius: 8.3

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.4 AU - 3.54 AU

Year: 4174 Days

Day: 7.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,788,998 km

• M1: 103,372 km (0.049 R)
• M2: 443,857 km (0.085 R)
• M3: 1,796,222 km (0.084 R)
• M4: 2,240,378 km (0.079 R)
• M5: 2,632,923 km (0.071 R)
• M6: 2,938,401 km (0.086 R)
• M7: 3,707,783 km (0.038 R)
• M8: 4,235,116 km (0.106 R)
• M9: 4,630,802 km (0.099 R)
• M10: 5,553,671 km (0.036 R)
• M11: 6,275,481 km (0.074 R)
• M12: 7,615,429 km (0.091 R)
• M13: 8,582,879 km (0.118 R)
• M14: 8,896,436 km (0.097 R)
• M15: 9,422,272 km (0.084 R)
• M16: 10,625,189 km (0.115 R)
• M17: 13,489,689 km (0.077 R)
• M18: 15,412,321 km (0.083 R)
• M19: 15,759,388 km (0.061 R)
• M20: 18,401,136 km (0.078 R)
• M21: 19,321,463 km (0.041 R)
• M22: 19,725,078 km (0.119 R)
• M23: 20,899,271 km (0.106 R)
• M24: 25,017,551 km (0.094 R)
• M25: 25,577,646 km (0.112 R)
• M26: 26,310,077 km (0.055 R)
• M27: 27,392,717 km (0.114 R)
• M28: 27,902,247 km (0.072 R)
• M29: 28,591,444 km (0.094 R)
• M30: 29,115,785 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.9

Radius: 3.6

Gravity: 73.53 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.11 AU - 9.15 AU

Year: 13608 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 66,788,998 km

• M1: 45,478 km (0.091 R)
• M2: 169,943 km (0.106 R)
• M3: 313,707 km (0.058 R)
• M4: 474,225 km (0.048 R)
• M5: 679,324 km (0.106 R)
• M6: 1,159,383 km (0.084 R)
• M7: 1,366,128 km (0.052 R)
• M8: 1,517,371 km (0.071 R)
• M9: 1,662,930 km (0.113 R)
• M10: 1,871,469 km (0.12 R)
• M11: 2,602,853 km (0.091 R)
• M12: 2,717,745 km (0.088 R)
• M13: 3,910,040 km (0.072 R)
• M14: 4,537,303 km (0.12 R)
• M15: 4,704,105 km (0.103 R)
• M16: 4,979,515 km (0.089 R)
• M17: 6,862,204 km (0.108 R)
• M18: 8,451,233 km (0.063 R)
• M19: 8,806,378 km (0.101 R)
• M20: 13,876,399 km (0.09 R)
• M21: 15,022,618 km (0.1 R)
• M22: 15,170,122 km (0.116 R)
• M23: 18,922,784 km (0.097 R)
• M24: 19,529,852 km (0.048 R)
• M25: 20,239,395 km (0.11 R)
• M26: 20,874,139 km (0.062 R)
• M27: 24,147,340 km (0.097 R)
• M28: 25,694,182 km (0.081 R)
• M29: 27,968,818 km (0.081 R)
• M30: 28,529,511 km (0.119 R)
• M31: 28,983,391 km (0.096 R)
• M32: 33,790,718 km (0.109 R)
• M33: 34,171,295 km (0.04 R)
• M34: 34,554,715 km (0.114 R)
• M35: 36,515,045 km (0.047 R)
• M36: 37,998,906 km (0.069 R)
• M37: 47,436,438 km (0.117 R)
• M38: 54,932,787 km (0.095 R)
• M39: 55,283,145 km (0.116 R)
• M40: 58,321,478 km (0.085 R)
• M41: 65,511,600 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888

Radius: 5.6

Gravity: 28.32 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.99 AU - 8.89 AU

Year: 14446 Days

Day: 23.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,788,998 km

• M1: 71,657 km (0.097 R)
• M2: 385,963 km (0.102 R)
• M3: 627,713 km (0.104 R)
• M4: 1,087,277 km (0.108 R)
• M5: 1,427,164 km (0.099 R)
• M6: 1,782,459 km (0.119 R)
• M7: 2,857,319 km (0.115 R)
• M8: 5,012,725 km (0.091 R)
• M9: 6,734,747 km (0.12 R)
• M10: 8,868,012 km (0.063 R)
• M11: 9,077,150 km (0.065 R)
• M12: 10,286,350 km (0.102 R)
• M13: 10,810,690 km (0.099 R)
• M14: 12,687,545 km (0.087 R)
• M15: 13,154,889 km (0.11 R)
• M16: 13,912,153 km (0.118 R)
• M17: 15,065,254 km (0.069 R)
• M18: 17,314,906 km (0.035 R)
• M19: 19,251,152 km (0.094 R)
• M20: 21,514,567 km (0.104 R)
• M21: 22,467,506 km (0.109 R)
• M22: 25,389,900 km (0.087 R)
• M23: 26,024,644 km (0.085 R)
• M24: 33,847,117 km (0.05 R)
• M25: 46,788,380 km (0.055 R)
• M26: 55,485,701 km (0.088 R)
• M27: 64,611,320 km (0.067 R)
• M28: 65,200,437 km (0.065 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 16,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit