🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.01 AU - 1.59 AU

Year: 536 Days

Day: 16.2 Hours

Environment

Temp: -11 °C

Axial Tilt: 26.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.53 AU - 2.01 AU

Year: 852 Days

Day: 14.5 Hours

Environment

Temp: -48 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.47 AU - 4.95 AU

Year: 3124 Days

Day: 41.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 43.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.52 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 12.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.6

Radius: 6.1

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 10.49 AU - 15.15 AU

Year: 16601 Days

Day: 21.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,480,491 km

• M1: 75,996 km (0.097 R)
• M2: 404,513 km (0.067 R)
• M3: 643,869 km (0.11 R)
• M4: 879,935 km (0.116 R)
• M5: 1,072,467 km (0.054 R)
• M6: 3,212,465 km (0.1 R)
• M7: 4,560,341 km (0.113 R)
• M8: 8,049,113 km (0.104 R)
• M9: 9,377,991 km (0.099 R)
• M10: 9,572,169 km (0.088 R)
• M11: 10,375,660 km (0.083 R)
• M12: 10,740,978 km (0.085 R)
• M13: 15,819,077 km (0.08 R)
• M14: 20,947,292 km (0.072 R)
• M15: 21,196,223 km (0.093 R)
• M16: 21,531,023 km (0.038 R)
• M17: 23,614,323 km (0.111 R)
• M18: 25,544,285 km (0.082 R)
• M19: 35,011,886 km (0.058 R)
• M20: 44,357,414 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.9

Radius: 3.9

Gravity: 37.47 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 11.98 AU - 18.86 AU

Year: 21899 Days

Day: 22 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,480,491 km

• M1: 48,769 km (0.08 R)
• M2: 248,183 km (0.057 R)
• M3: 402,418 km (0.05 R)
• M4: 647,160 km (0.108 R)
• M5: 913,893 km (0.075 R)
• M6: 1,353,262 km (0.073 R)
• M7: 3,534,399 km (0.064 R)
• M8: 3,742,939 km (0.089 R)
• M9: 4,589,962 km (0.044 R)
• M10: 4,838,294 km (0.091 R)
• M11: 5,133,002 km (0.09 R)
• M12: 5,677,389 km (0.11 R)
• M13: 5,963,420 km (0.086 R)
• M14: 6,259,175 km (0.073 R)
• M15: 6,834,229 km (0.067 R)
• M16: 7,786,420 km (0.052 R)
• M17: 8,346,065 km (0.057 R)
• M18: 9,775,174 km (0.102 R)
• M19: 10,792,888 km (0.092 R)
• M20: 11,295,537 km (0.081 R)
• M21: 13,248,537 km (0.089 R)
• M22: 18,155,497 km (0.108 R)
• M23: 21,203,404 km (0.098 R)
• M24: 21,594,453 km (0.116 R)
• M25: 25,443,456 km (0.063 R)
• M26: 27,240,725 km (0.048 R)
• M27: 29,847,618 km (0.11 R)
• M28: 30,586,332 km (0.082 R)
• M29: 35,004,555 km (0.108 R)
• M30: 36,940,950 km (0.093 R)
• M31: 39,829,535 km (0.118 R)
• M32: 42,400,076 km (0.072 R)
• M33: 49,733,962 km (0.12 R)
• M34: 51,471,092 km (0.032 R)
• M35: 56,549,342 km (0.11 R)
• M36: 57,300,921 km (0.116 R)
• M37: 70,466,581 km (0.113 R)
• M38: 73,543,660 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.4

Radius: 8

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 13.89 AU - 18.11 AU

Year: 23146 Days

Day: 21.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,480,491 km

• M1: 99,632 km (0.084 R)
• M2: 352,153 km (0.113 R)
• M3: 640,129 km (0.081 R)
• M4: 1,053,319 km (0.099 R)
• M5: 2,770,253 km (0.111 R)
• M6: 3,663,053 km (0.116 R)
• M7: 4,771,125 km (0.065 R)
• M8: 5,921,682 km (0.085 R)
• M9: 7,680,504 km (0.105 R)
• M10: 7,979,102 km (0.053 R)
• M11: 9,307,531 km (0.106 R)
• M12: 10,411,413 km (0.027 R)
• M13: 11,861,466 km (0.107 R)
• M14: 13,802,648 km (0.069 R)
• M15: 15,786,615 km (0.1 R)
• M16: 17,013,616 km (0.053 R)
• M17: 23,904,842 km (0.093 R)
• M18: 24,435,466 km (0.107 R)
• M19: 29,327,167 km (0.066 R)
• M20: 30,675,941 km (0.118 R)
• M21: 31,176,495 km (0.036 R)
• M22: 31,682,585 km (0.061 R)
• M23: 32,194,060 km (0.083 R)
• M24: 33,102,269 km (0.107 R)
• M25: 35,929,669 km (0.086 R)
• M26: 36,207,023 km (0.067 R)
• M27: 40,691,518 km (0.088 R)
• M28: 41,906,104 km (0.078 R)
• M29: 43,458,181 km (0.093 R)
• M30: 44,407,679 km (0.094 R)
• M31: 47,672,353 km (0.112 R)
• M32: 49,021,876 km (0.114 R)
• M33: 50,396,680 km (0.115 R)
• M34: 59,576,454 km (0.091 R)
• M35: 70,026,165 km (0.105 R)
• M36: 71,549,370 km (0.087 R)
• M37: 74,661,904 km (0.09 R)

Kuiper Belt

Range: 30.3 - 50.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 18,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit