🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.48 AU - 0.62 AU

Year: 143 Days

Day: 46.4 Hours

Environment

Temp: 257 °C

Axial Tilt: 28.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,374,667 km

• M1: 30,219 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.66 AU - 1 AU

Year: 265 Days

Day: 14.6 Hours

Environment

Temp: 140 °C

Axial Tilt: 28.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.93 AU - 1.03 AU

Year: 339 Days

Day: 18.1 Hours

Environment

Temp: 163 °C

Axial Tilt: 29.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.62 AU - 2.5 AU

Year: 1034 Days

Day: 41.2 Hours

Environment

Temp: -47 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,374,667 km

• M1: 63,878 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.9 AU - 3.4 AU

Year: 1956 Days

Day: 39 Hours

Environment

Temp: -93 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.75 AU - 3.71 AU

Year: 2031 Days

Day: 38.5 Hours

Environment

Temp: -99 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.1

Radius: 10.2

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.68 AU - 6.98 AU

Year: 5572 Days

Day: 5 Hours

Environment

Temp: -147 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,374,667 km

• M1: 127,158 km (0.095 R)
• M2: 444,306 km (0.116 R)
• M3: 887,415 km (0.118 R)
• M4: 1,558,361 km (0.118 R)
• M5: 2,266,109 km (0.062 R)
• M6: 2,684,683 km (0.094 R)
• M7: 3,323,167 km (0.114 R)
• M8: 7,073,137 km (0.098 R)
• M9: 7,514,151 km (0.108 R)
• M10: 8,209,782 km (0.066 R)
• M11: 8,738,610 km (0.047 R)
• M12: 11,883,008 km (0.104 R)
• M13: 12,613,195 km (0.091 R)
• M14: 13,043,738 km (0.053 R)
• M15: 15,163,988 km (0.062 R)
• M16: 17,704,160 km (0.064 R)
• M17: 18,934,752 km (0.076 R)
• M18: 19,499,634 km (0.111 R)
• M19: 25,185,550 km (0.079 R)
• M20: 27,541,566 km (0.099 R)
• M21: 28,084,307 km (0.061 R)
• M22: 33,912,042 km (0.06 R)
• M23: 35,379,298 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.8

Radius: 8.9

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.83 AU - 8.55 AU

Year: 8200 Days

Day: 13.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,374,667 km

• M1: 164,857 km (0.095 R)
• M2: 493,823 km (0.084 R)
• M3: 1,215,483 km (0.119 R)
• M4: 1,508,844 km (0.111 R)
• M5: 2,380,252 km (0.105 R)
• M6: 2,906,387 km (0.11 R)
• M7: 3,350,394 km (0.106 R)
• M8: 4,428,247 km (0.044 R)
• M9: 4,786,982 km (0.081 R)
• M10: 5,076,155 km (0.119 R)
• M11: 5,915,997 km (0.108 R)
• M12: 7,101,710 km (0.097 R)
• M13: 8,110,000 km (0.102 R)
• M14: 10,994,995 km (0.053 R)
• M15: 11,915,770 km (0.113 R)
• M16: 12,503,240 km (0.091 R)
• M17: 13,448,998 km (0.103 R)
• M18: 14,027,194 km (0.069 R)
• M19: 16,311,404 km (0.117 R)
• M20: 18,127,372 km (0.052 R)
• M21: 23,373,471 km (0.094 R)
• M22: 26,564,991 km (0.117 R)
• M23: 33,586,816 km (0.107 R)
• M24: 35,517,676 km (0.092 R)
• M25: 36,177,403 km (0.066 R)
• M26: 37,182,401 km (0.039 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.8

Radius: 13.6

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.75 AU - 12.37 AU

Year: 12005 Days

Day: 7.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,374,667 km

• M1: 174,730 km (0.109 R)
• M2: 678,277 km (0.106 R)
• M3: 2,553,486 km (0.101 R)
• M4: 3,286,665 km (0.076 R)
• M5: 3,796,794 km (0.068 R)
• M6: 4,389,202 km (0.042 R)
• M7: 6,126,482 km (0.106 R)
• M8: 6,743,573 km (0.108 R)
• M9: 7,401,953 km (0.075 R)
• M10: 8,847,667 km (0.096 R)
• M11: 11,936,115 km (0.104 R)
• M12: 13,658,585 km (0.117 R)
• M13: 14,179,933 km (0.078 R)
• M14: 16,472,222 km (0.107 R)
• M15: 16,988,484 km (0.1 R)
• M16: 27,818,472 km (0.092 R)
• M17: 33,693,629 km (0.088 R)
• M18: 40,748,066 km (0.047 R)
• M19: 46,204,649 km (0.119 R)
• M20: 47,976,935 km (0.101 R)
• M21: 48,728,664 km (0.065 R)
• M22: 49,183,442 km (0.096 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 10,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit