🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.44 AU - 0.66 AU

Year: 177 Days

Day: 30.5 Hours

Environment

Temp: 31 °C

Axial Tilt: 41.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 82,779,710 km

• M1: 35,903 km (0.095 R)
• M2: 400,773 km (0.04 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.46 AU - 0.72 AU

Year: 196 Days

Day: 24 Hours

Environment

Temp: 22 °C

Axial Tilt: 29.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.57 AU - 0.67 AU

Year: 212 Days

Day: 24.5 Hours

Environment

Temp: 10 °C

Axial Tilt: 29.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 82,779,710 km

• M1: 25,132 km (0.086 R)
• M2: 198,816 km (0.12 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.5 AU - 2.36 AU

Year: 1162 Days

Day: 23.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.5

Radius: 9.4

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.85 AU - 3.93 AU

Year: 2706 Days

Day: 9.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,779,710 km

• M1: 116,836 km (0.084 R)
• M2: 462,557 km (0.093 R)
• M3: 1,181,374 km (0.108 R)
• M4: 1,713,644 km (0.059 R)
• M5: 2,072,828 km (0.098 R)
• M6: 2,385,188 km (0.094 R)
• M7: 2,913,568 km (0.098 R)
• M8: 3,307,759 km (0.095 R)
• M9: 3,966,139 km (0.103 R)
• M10: 4,600,733 km (0.117 R)
• M11: 5,542,302 km (0.118 R)
• M12: 5,917,194 km (0.045 R)
• M13: 6,308,991 km (0.03 R)
• M14: 7,772,357 km (0.062 R)
• M15: 8,436,422 km (0.082 R)
• M16: 9,069,221 km (0.087 R)
• M17: 9,697,682 km (0.043 R)
• M18: 10,206,315 km (0.109 R)
• M19: 11,636,321 km (0.117 R)
• M20: 12,505,185 km (0.089 R)
• M21: 13,195,579 km (0.119 R)
• M22: 14,652,663 km (0.114 R)
• M23: 15,033,090 km (0.1 R)
• M24: 16,930,889 km (0.086 R)
• M25: 17,668,705 km (0.036 R)
• M26: 18,099,846 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.3

Radius: 11.1

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.07 AU - 8.33 AU

Year: 7517 Days

Day: 8.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,779,710 km

• M1: 166,203 km (0.111 R)
• M2: 562,488 km (0.104 R)
• M3: 994,078 km (0.083 R)
• M4: 1,937,292 km (0.059 R)
• M5: 2,288,997 km (0.045 R)
• M6: 2,898,010 km (0.12 R)
• M7: 3,573,145 km (0.116 R)
• M8: 5,085,131 km (0.07 R)
• M9: 6,181,833 km (0.083 R)
• M10: 7,724,785 km (0.076 R)
• M11: 8,130,644 km (0.05 R)
• M12: 10,377,455 km (0.101 R)
• M13: 11,167,930 km (0.118 R)
• M14: 11,731,615 km (0.11 R)
• M15: 13,392,151 km (0.071 R)
• M16: 14,128,322 km (0.113 R)
• M17: 15,896,719 km (0.041 R)
• M18: 18,279,513 km (0.107 R)
• M19: 18,638,399 km (0.072 R)
• M20: 20,567,912 km (0.075 R)
• M21: 21,614,349 km (0.11 R)
• M22: 22,218,276 km (0.117 R)
• M23: 22,971,800 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.3

Radius: 4.9

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 12.44 AU - 12.98 AU

Year: 19642 Days

Day: 17.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,779,710 km

• M1: 62,532 km (0.034 R)
• M2: 1,253,181 km (0.06 R)
• M3: 2,064,600 km (0.076 R)
• M4: 4,908,755 km (0.07 R)
• M5: 5,755,030 km (0.082 R)
• M6: 6,916,508 km (0.039 R)
• M7: 9,005,941 km (0.095 R)
• M8: 9,692,596 km (0.032 R)
• M9: 22,449,554 km (0.086 R)
• M10: 25,455,873 km (0.039 R)
• M11: 28,719,799 km (0.034 R)
• M12: 34,724,508 km (0.084 R)
• M13: 40,042,862 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.2

Radius: 7.7

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 16.33 AU - 17.35 AU

Year: 29955 Days

Day: 15.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 82,779,710 km

• M1: 96,640 km (0.106 R)
• M2: 636,389 km (0.1 R)
• M3: 1,050,177 km (0.067 R)
• M4: 1,652,009 km (0.116 R)
• M5: 2,350,631 km (0.072 R)
• M6: 2,631,277 km (0.113 R)
• M7: 3,432,374 km (0.104 R)
• M8: 3,732,766 km (0.115 R)
• M9: 4,283,885 km (0.044 R)
• M10: 5,836,262 km (0.038 R)
• M11: 6,533,089 km (0.107 R)
• M12: 8,957,173 km (0.065 R)
• M13: 13,927,412 km (0.117 R)
• M14: 15,408,281 km (0.065 R)
• M15: 17,163,812 km (0.091 R)
• M16: 19,516,987 km (0.116 R)
• M17: 24,852,844 km (0.093 R)
• M18: 37,404,255 km (0.114 R)
• M19: 41,328,357 km (0.083 R)
• M20: 45,518,443 km (0.118 R)
• M21: 47,887,924 km (0.038 R)
• M22: 50,694,978 km (0.045 R)
• M23: 51,775,374 km (0.084 R)
• M24: 53,610,043 km (0.047 R)
• M25: 55,297,806 km (0.109 R)
• M26: 69,431,364 km (0.052 R)
• M27: 70,095,279 km (0.045 R)
• M28: 78,394,670 km (0.026 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 11,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit