🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.3

Radius: 13.6

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.97 AU - 1.25 AU

Year: 755 Days

Day: 8.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 90,117,953 km

• M1: 169,195 km (0.096 R)
• M2: 686,953 km (0.034 R)
• M3: 1,231,340 km (0.032 R)
• M4: 1,738,477 km (0.101 R)
• M5: 2,613,325 km (0.057 R)
• M6: 3,797,392 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.2

Radius: 11

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.77 AU - 1.83 AU

Year: 1559 Days

Day: 7.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,117,953 km

• M1: 136,732 km (0.083 R)
• M2: 510,428 km (0.074 R)
• M3: 1,551,779 km (0.077 R)
• M4: 1,957,039 km (0.106 R)
• M5: 2,903,844 km (0.033 R)
• M6: 4,598,639 km (0.057 R)
• M7: 4,980,861 km (0.11 R)
• M8: 6,075,618 km (0.103 R)
• M9: 6,489,705 km (0.087 R)
• M10: 7,713,865 km (0.056 R)
• M11: 9,294,516 km (0.112 R)
• M12: 11,422,545 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.5

Radius: 10.9

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.07 AU - 4.37 AU

Year: 4633 Days

Day: 11.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,117,953 km

• M1: 135,536 km (0.077 R)
• M2: 565,630 km (0.116 R)
• M3: 1,031,627 km (0.094 R)
• M4: 1,395,150 km (0.09 R)
• M5: 1,882,540 km (0.118 R)
• M6: 2,794,189 km (0.063 R)
• M7: 3,186,435 km (0.071 R)
• M8: 3,793,652 km (0.089 R)
• M9: 5,264,798 km (0.066 R)
• M10: 7,085,404 km (0.095 R)
• M11: 7,494,704 km (0.047 R)
• M12: 8,746,987 km (0.047 R)
• M13: 9,668,959 km (0.08 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.5

Radius: 7.4

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.91 AU - 9.39 AU

Year: 13662 Days

Day: 21.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,117,953 km

• M1: 97,837 km (0.061 R)
• M2: 573,109 km (0.11 R)
• M3: 829,969 km (0.06 R)
• M4: 1,106,276 km (0.084 R)
• M5: 2,036,027 km (0.102 R)
• M6: 4,034,804 km (0.061 R)
• M7: 4,375,439 km (0.115 R)
• M8: 15,233,850 km (0.08 R)
• M9: 15,762,080 km (0.115 R)
• M10: 18,587,685 km (0.071 R)
• M11: 28,790,858 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.6

Radius: 4.9

Gravity: 17.39 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 7.07 AU - 10.01 AU

Year: 16114 Days

Day: 20.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,117,953 km

• M1: 60,886 km (0.091 R)
• M2: 339,886 km (0.105 R)
• M3: 514,018 km (0.096 R)
• M4: 1,522,906 km (0.1 R)
• M5: 1,976,487 km (0.059 R)
• M6: 2,841,911 km (0.043 R)
• M7: 4,078,188 km (0.052 R)
• M8: 4,945,257 km (0.118 R)
• M9: 7,120,260 km (0.086 R)
• M10: 9,446,657 km (0.076 R)
• M11: 9,966,061 km (0.059 R)
• M12: 10,724,821 km (0.067 R)
• M13: 12,295,898 km (0.093 R)
• M14: 14,014,029 km (0.089 R)
• M15: 16,103,762 km (0.097 R)
• M16: 33,848,912 km (0.079 R)
• M17: 34,451,492 km (0.11 R)
• M18: 42,111,801 km (0.043 R)
• M19: 53,065,207 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771

Radius: 7.1

Gravity: 15.29 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 9.01 AU - 13.45 AU

Year: 24299 Days

Day: 24.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,117,953 km

• M1: 102,475 km (0.118 R)
• M2: 351,555 km (0.116 R)
• M3: 587,471 km (0.062 R)
• M4: 983,008 km (0.037 R)
• M5: 2,446,972 km (0.097 R)
• M6: 3,265,273 km (0.083 R)
• M7: 3,658,117 km (0.101 R)
• M8: 4,116,185 km (0.048 R)
• M9: 4,798,053 km (0.116 R)
• M10: 5,067,478 km (0.098 R)
• M11: 6,854,126 km (0.083 R)
• M12: 8,237,607 km (0.033 R)
• M13: 9,257,565 km (0.056 R)
• M14: 9,798,062 km (0.114 R)
• M15: 10,295,924 km (0.086 R)
• M16: 13,190,493 km (0.117 R)
• M17: 13,720,518 km (0.097 R)
• M18: 14,422,880 km (0.057 R)
• M19: 15,313,436 km (0.08 R)
• M20: 17,203,755 km (0.083 R)
• M21: 17,836,554 km (0.117 R)
• M22: 19,926,287 km (0.092 R)
• M23: 22,386,274 km (0.11 R)
• M24: 24,471,968 km (0.103 R)
• M25: 26,564,243 km (0.042 R)
• M26: 28,899,017 km (0.095 R)
• M27: 29,921,818 km (0.09 R)
• M28: 32,583,912 km (0.057 R)
• M29: 36,275,539 km (0.093 R)
• M30: 39,609,178 km (0.115 R)
• M31: 42,484,299 km (0.115 R)
• M32: 43,141,483 km (0.045 R)
• M33: 48,825,304 km (0.051 R)
• M34: 50,641,422 km (0.112 R)
• M35: 60,815,723 km (0.116 R)
• M36: 66,158,462 km (0.097 R)
• M37: 76,065,132 km (0.055 R)
• M38: 81,243,612 km (0.063 R)
• M39: 89,041,849 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 14,305 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit