🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.89 AU - 1.07 AU

Year: 374 Days

Day: 27.5 Hours

Environment

Temp: 20 °C

Axial Tilt: 37 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 102,239,292 km

• M1: 37,549 km (0.115 R)
• M2: 80,484 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.92 AU - 1.16 AU

Year: 408 Days

Day: 32.4 Hours

Environment

Temp: 8 °C

Axial Tilt: 165 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.48 AU - 2.26 AU

Year: 985 Days

Day: 46.7 Hours

Environment

Temp: -87 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.71 AU - 2.11 AU

Year: 1016 Days

Day: 13 Hours

Environment

Temp: -83 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.1

Radius: 9.3

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.14 AU - 5.4 AU

Year: 4011 Days

Day: 14.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 102,239,292 km

• M1: 115,789 km (0.12 R)
• M2: 409,449 km (0.062 R)
• M3: 858,093 km (0.075 R)
• M4: 1,317,209 km (0.08 R)
• M5: 1,960,480 km (0.085 R)
• M6: 2,952,164 km (0.115 R)
• M7: 3,292,200 km (0.053 R)
• M8: 4,899,031 km (0.101 R)
• M9: 5,588,677 km (0.089 R)
• M10: 6,197,391 km (0.087 R)
• M11: 7,744,831 km (0.101 R)
• M12: 9,458,325 km (0.103 R)
• M13: 9,923,425 km (0.087 R)
• M14: 10,567,145 km (0.085 R)
• M15: 11,541,177 km (0.086 R)
• M16: 13,327,674 km (0.081 R)
• M17: 15,503,127 km (0.087 R)
• M18: 16,480,300 km (0.101 R)
• M19: 17,671,847 km (0.099 R)
• M20: 20,352,790 km (0.071 R)
• M21: 21,128,605 km (0.067 R)
• M22: 21,523,693 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.9

Radius: 13.9

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 9.2 AU - 9.3 AU

Year: 10831 Days

Day: 11.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 102,239,292 km

• M1: 172,935 km (0.101 R)
• M2: 763,996 km (0.07 R)
• M3: 1,403,826 km (0.075 R)
• M4: 2,336,270 km (0.068 R)
• M5: 2,824,857 km (0.105 R)
• M6: 4,779,652 km (0.087 R)
• M7: 5,814,271 km (0.049 R)
• M8: 6,915,162 km (0.044 R)
• M9: 8,238,056 km (0.107 R)
• M10: 9,053,065 km (0.119 R)
• M11: 11,326,653 km (0.068 R)
• M12: 12,049,061 km (0.087 R)
• M13: 13,647,664 km (0.067 R)
• M14: 16,062,623 km (0.092 R)
• M15: 17,553,665 km (0.107 R)
• M16: 23,814,635 km (0.116 R)
• M17: 26,130,858 km (0.107 R)
• M18: 26,708,456 km (0.061 R)
• M19: 28,089,244 km (0.068 R)
• M20: 32,186,431 km (0.049 R)
• M21: 37,147,844 km (0.112 R)
• M22: 38,370,657 km (0.068 R)
• M23: 46,699,818 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.8

Radius: 4.8

Gravity: 11.88 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 14.82 AU - 15.4 AU

Year: 22613 Days

Day: 18.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 102,239,292 km

• M1: 76,445 km (0.118 R)
• M2: 1,337,405 km (0.118 R)
• M3: 2,490,655 km (0.105 R)
• M4: 4,340,732 km (0.119 R)
• M5: 5,166,213 km (0.06 R)
• M6: 7,475,256 km (0.086 R)
• M7: 8,408,896 km (0.111 R)
• M8: 10,904,488 km (0.09 R)
• M9: 17,059,094 km (0.053 R)
• M10: 17,770,581 km (0.111 R)
• M11: 18,749,700 km (0.104 R)
• M12: 20,285,172 km (0.091 R)
• M13: 20,904,208 km (0.085 R)
• M14: 28,457,405 km (0.073 R)
• M15: 31,761,722 km (0.095 R)
• M16: 36,596,127 km (0.079 R)
• M17: 43,627,676 km (0.103 R)
• M18: 46,157,825 km (0.037 R)
• M19: 60,467,160 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.8

Radius: 4.2

Gravity: 37.06 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 16.8 AU - 21.2 AU

Year: 31886 Days

Day: 16.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 102,239,292 km

• M1: 52,210 km (0.101 R)
• M2: 536,757 km (0.079 R)
• M3: 798,404 km (0.107 R)
• M4: 1,975,440 km (0.026 R)
• M5: 3,185,687 km (0.085 R)
• M6: 5,228,296 km (0.093 R)
• M7: 10,194,646 km (0.109 R)
• M8: 12,222,296 km (0.113 R)
• M9: 13,291,023 km (0.086 R)
• M10: 13,527,836 km (0.077 R)
• M11: 17,616,047 km (0.042 R)
• M12: 19,682,442 km (0.082 R)
• M13: 30,375,249 km (0.109 R)
• M14: 37,247,775 km (0.068 R)
• M15: 43,162,426 km (0.053 R)
• M16: 46,160,817 km (0.093 R)
• M17: 46,522,544 km (0.058 R)
• M18: 49,673,075 km (0.109 R)
• M19: 52,962,882 km (0.094 R)
• M20: 62,365,856 km (0.088 R)
• M21: 63,921,824 km (0.069 R)
• M22: 65,048,894 km (0.052 R)
• M23: 84,656,537 km (0.051 R)
• M24: 87,388,494 km (0.115 R)
• M25: 92,739,909 km (0.098 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 17,255 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit