🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.08 AU - 1.4 AU

Year: 520 Days

Day: 39.6 Hours

Environment

Temp: 2 °C

Axial Tilt: 28.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 52,479,874 km

• M1: 399,127 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.16 AU - 2.48 AU

Year: 1331 Days

Day: 28.7 Hours

Environment

Temp: -90 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,479,874 km

• M1: 233,821 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.67 AU - 3.63 AU

Year: 2106 Days

Day: 19.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,479,874 km

• M1: 30,668 km (0.113 R)

Asteroid Belt

Center: 5.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.1

Radius: 14.3

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.33 AU - 8.39 AU

Year: 8302 Days

Day: 11.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,479,874 km

• M1: 177,872 km (0.063 R)
• M2: 641,625 km (0.108 R)
• M3: 1,186,162 km (0.059 R)
• M4: 2,331,034 km (0.115 R)
• M5: 3,788,117 km (0.114 R)
• M6: 4,253,965 km (0.094 R)
• M7: 6,162,235 km (0.101 R)
• M8: 7,909,688 km (0.088 R)
• M9: 9,728,350 km (0.049 R)
• M10: 14,056,216 km (0.07 R)
• M11: 14,990,754 km (0.053 R)
• M12: 15,636,568 km (0.108 R)
• M13: 16,300,932 km (0.067 R)
• M14: 18,554,175 km (0.104 R)
• M15: 20,848,707 km (0.051 R)
• M16: 22,900,741 km (0.095 R)
• M17: 23,845,003 km (0.045 R)
• M18: 26,180,076 km (0.106 R)
• M19: 30,268,586 km (0.103 R)
• M20: 32,038,179 km (0.099 R)
• M21: 37,054,196 km (0.118 R)
• M22: 42,828,225 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.8

Radius: 12

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.37 AU - 11.77 AU

Year: 12946 Days

Day: 7.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,479,874 km

• M1: 149,299 km (0.056 R)
• M2: 534,064 km (0.092 R)
• M3: 908,807 km (0.111 R)
• M4: 1,589,627 km (0.076 R)
• M5: 2,196,246 km (0.099 R)
• M6: 2,730,760 km (0.118 R)
• M7: 3,268,713 km (0.108 R)
• M8: 3,876,380 km (0.037 R)
• M9: 6,550,143 km (0.088 R)
• M10: 11,286,262 km (0.095 R)
• M11: 12,067,611 km (0.027 R)
• M12: 12,832,356 km (0.113 R)
• M13: 22,579,405 km (0.062 R)
• M14: 25,598,140 km (0.088 R)
• M15: 28,786,520 km (0.084 R)
• M16: 30,615,803 km (0.074 R)
• M17: 31,274,033 km (0.103 R)
• M18: 31,845,796 km (0.108 R)
• M19: 32,521,530 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.4

Radius: 6.4

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 10.49 AU - 13.45 AU

Year: 15602 Days

Day: 17.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,479,874 km

• M1: 81,830 km (0.073 R)
• M2: 328,816 km (0.09 R)
• M3: 555,606 km (0.112 R)
• M4: 898,485 km (0.11 R)
• M5: 1,388,119 km (0.095 R)
• M6: 1,631,215 km (0.079 R)
• M7: 3,529,911 km (0.055 R)
• M8: 4,087,762 km (0.097 R)
• M9: 4,787,132 km (0.101 R)
• M10: 5,501,162 km (0.092 R)
• M11: 9,032,570 km (0.102 R)
• M12: 9,978,178 km (0.084 R)
• M13: 14,188,311 km (0.085 R)
• M14: 21,404,763 km (0.108 R)
• M15: 24,070,896 km (0.076 R)
• M16: 24,578,332 km (0.06 R)
• M17: 26,679,733 km (0.068 R)
• M18: 28,897,821 km (0.117 R)
• M19: 30,936,989 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.2

Radius: 6.8

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 12.39 AU - 17.53 AU

Year: 21798 Days

Day: 16 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,479,874 km

• M1: 84,822 km (0.077 R)
• M2: 421,716 km (0.066 R)
• M3: 773,271 km (0.12 R)
• M4: 1,127,370 km (0.085 R)
• M5: 1,429,707 km (0.119 R)
• M6: 2,162,138 km (0.052 R)
• M7: 2,468,514 km (0.115 R)
• M8: 4,250,375 km (0.035 R)
• M9: 8,566,273 km (0.116 R)
• M10: 9,335,356 km (0.057 R)
• M11: 10,955,202 km (0.076 R)
• M12: 11,515,446 km (0.07 R)
• M13: 14,673,756 km (0.099 R)
• M14: 16,851,751 km (0.072 R)
• M15: 18,056,164 km (0.079 R)
• M16: 20,216,955 km (0.045 R)
• M17: 21,402,668 km (0.096 R)
• M18: 21,837,100 km (0.075 R)
• M19: 28,344,159 km (0.103 R)
• M20: 34,349,616 km (0.08 R)
• M21: 46,585,525 km (0.097 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: 434 - 16,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit