🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.51 AU - 0.67 AU

Year: 173 Days

Day: 37.6 Hours

Environment

Temp: 165 °C

Axial Tilt: 39 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.93 AU - 1.33 AU

Year: 457 Days

Day: 31.1 Hours

Environment

Temp: -10 °C

Axial Tilt: 26.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.15 AU - 4.05 AU

Year: 2601 Days

Day: 30.1 Hours

Environment

Temp: -118 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.3

Radius: 9.8

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.16 AU - 5.44 AU

Year: 4646 Days

Day: 10.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,238,312 km

• M1: 122,670 km (0.112 R)
• M2: 602,131 km (0.109 R)
• M3: 1,309,879 km (0.113 R)
• M4: 2,066,246 km (0.032 R)
• M5: 4,327,567 km (0.062 R)
• M6: 5,337,054 km (0.116 R)
• M7: 8,464,996 km (0.058 R)
• M8: 10,456,592 km (0.037 R)
• M9: 10,845,696 km (0.109 R)
• M10: 12,071,351 km (0.056 R)
• M11: 12,693,529 km (0.099 R)
• M12: 15,013,044 km (0.103 R)
• M13: 22,625,631 km (0.049 R)
• M14: 24,241,138 km (0.093 R)
• M15: 25,932,342 km (0.1 R)
• M16: 26,566,338 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.6

Radius: 12.7

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.37 AU - 8.17 AU

Year: 8248 Days

Day: 10.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,238,312 km

• M1: 157,975 km (0.114 R)
• M2: 955,631 km (0.099 R)
• M3: 1,428,660 km (0.114 R)
• M4: 2,501,276 km (0.118 R)
• M5: 2,987,170 km (0.091 R)
• M6: 4,151,939 km (0.094 R)
• M7: 5,238,319 km (0.089 R)
• M8: 6,608,636 km (0.088 R)
• M9: 8,570,013 km (0.11 R)
• M10: 10,276,925 km (0.099 R)
• M11: 11,334,432 km (0.089 R)
• M12: 12,148,245 km (0.093 R)
• M13: 12,730,031 km (0.111 R)
• M14: 17,872,009 km (0.105 R)
• M15: 19,257,136 km (0.119 R)
• M16: 19,975,953 km (0.12 R)
• M17: 27,363,246 km (0.07 R)
• M18: 28,641,111 km (0.053 R)
• M19: 30,923,675 km (0.042 R)
• M20: 35,956,447 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.8

Radius: 8.1

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.61 AU - 10.05 AU

Year: 9992 Days

Day: 5.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,238,312 km

• M1: 100,679 km (0.057 R)
• M2: 381,923 km (0.116 R)
• M3: 635,791 km (0.104 R)
• M4: 1,160,431 km (0.114 R)
• M5: 1,623,885 km (0.088 R)
• M6: 1,892,114 km (0.057 R)
• M7: 2,519,527 km (0.072 R)
• M8: 2,825,156 km (0.105 R)
• M9: 4,012,514 km (0.113 R)
• M10: 4,355,392 km (0.09 R)
• M11: 5,270,034 km (0.111 R)
• M12: 7,474,508 km (0.08 R)
• M13: 8,820,290 km (0.086 R)
• M14: 10,411,264 km (0.067 R)
• M15: 10,686,225 km (0.097 R)
• M16: 11,686,885 km (0.061 R)
• M17: 13,984,110 km (0.055 R)
• M18: 15,533,794 km (0.078 R)
• M19: 17,194,779 km (0.08 R)
• M20: 18,970,805 km (0.057 R)
• M21: 19,868,243 km (0.119 R)
• M22: 24,059,227 km (0.093 R)
• M23: 28,357,174 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.6

Radius: 8

Gravity: 11.57 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 9.07 AU - 10.77 AU

Year: 11898 Days

Day: 10 Hours

Environment

Temp: -177 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,238,312 km

• M1: 99,483 km (0.057 R)
• M2: 647,460 km (0.079 R)
• M3: 900,430 km (0.105 R)
• M4: 2,045,152 km (0.118 R)
• M5: 2,587,295 km (0.077 R)
• M6: 3,221,590 km (0.073 R)
• M7: 3,497,748 km (0.089 R)
• M8: 5,191,345 km (0.109 R)
• M9: 6,787,106 km (0.104 R)
• M10: 8,878,634 km (0.084 R)
• M11: 12,009,418 km (0.11 R)
• M12: 12,614,990 km (0.108 R)
• M13: 14,018,517 km (0.114 R)
• M14: 16,535,202 km (0.111 R)
• M15: 17,590,316 km (0.111 R)
• M16: 19,174,707 km (0.111 R)
• M17: 20,338,878 km (0.095 R)
• M18: 22,262,407 km (0.112 R)
• M19: 24,018,537 km (0.037 R)
• M20: 25,076,493 km (0.047 R)
• M21: 25,765,690 km (0.115 R)
• M22: 27,181,933 km (0.098 R)
• M23: 28,542,825 km (0.087 R)
• M24: 31,399,845 km (0.117 R)
• M25: 33,131,889 km (0.11 R)
• M26: 40,161,792 km (0.103 R)
• M27: 44,594,078 km (0.06 R)
• M28: 46,631,601 km (0.102 R)
• M29: 47,076,206 km (0.075 R)
• M30: 50,891,550 km (0.081 R)
• M31: 54,415,328 km (0.049 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: 370 - 17,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit