🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.45 AU - 0.61 AU

Year: 135 Days

Day: 35.3 Hours

Environment

Temp: 252 °C

Axial Tilt: 11.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.64 AU - 0.92 AU

Year: 241 Days

Day: 38.1 Hours

Environment

Temp: 175 °C

Axial Tilt: 0.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.02 AU - 1.42 AU

Year: 471 Days

Day: 18.5 Hours

Environment

Temp: 38 °C

Axial Tilt: 38.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.76 AU - 2.74 AU

Year: 1181 Days

Day: 37.9 Hours

Environment

Temp: -70 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.7 AU - 5.24 AU

Year: 3876 Days

Day: 20.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.64 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 12.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480

Radius: 9.1

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 9.29 AU - 15.31 AU

Year: 15092 Days

Day: 12 Hours

Environment

Temp: -175 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,982,386 km

• M1: 113,246 km (0.113 R)
• M2: 580,889 km (0.068 R)
• M3: 945,309 km (0.055 R)
• M4: 1,637,648 km (0.093 R)
• M5: 2,014,485 km (0.116 R)
• M6: 2,614,223 km (0.084 R)
• M7: 3,037,585 km (0.08 R)
• M8: 4,051,260 km (0.066 R)
• M9: 6,295,527 km (0.11 R)
• M10: 6,609,832 km (0.084 R)
• M11: 8,482,947 km (0.026 R)
• M12: 8,818,346 km (0.103 R)
• M13: 12,615,588 km (0.101 R)
• M14: 17,613,205 km (0.075 R)
• M15: 18,798,768 km (0.056 R)
• M16: 21,240,504 km (0.109 R)
• M17: 25,833,757 km (0.036 R)
• M18: 31,161,835 km (0.112 R)
• M19: 34,444,012 km (0.097 R)
• M20: 36,293,790 km (0.084 R)
• M21: 40,056,176 km (0.042 R)
• M22: 42,797,408 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220.7

Radius: 4.6

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 12.26 AU - 18.28 AU

Year: 20875 Days

Day: 18.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,982,386 km

• M1: 57,146 km (0.09 R)
• M2: 413,489 km (0.114 R)
• M3: 718,070 km (0.096 R)
• M4: 1,172,249 km (0.114 R)
• M5: 2,356,017 km (0.083 R)
• M6: 2,664,488 km (0.113 R)
• M7: 3,116,872 km (0.118 R)
• M8: 3,779,590 km (0.083 R)
• M9: 4,409,996 km (0.059 R)
• M10: 6,679,096 km (0.108 R)
• M11: 8,130,195 km (0.074 R)
• M12: 8,832,408 km (0.081 R)
• M13: 11,408,334 km (0.095 R)
• M14: 13,463,808 km (0.092 R)
• M15: 13,656,341 km (0.119 R)
• M16: 17,901,480 km (0.087 R)
• M17: 19,573,236 km (0.108 R)
• M18: 24,061,172 km (0.087 R)
• M19: 32,063,461 km (0.064 R)
• M20: 34,041,444 km (0.075 R)
• M21: 35,853,074 km (0.106 R)
• M22: 36,222,880 km (0.051 R)
• M23: 39,404,678 km (0.078 R)
• M24: 44,590,189 km (0.073 R)
• M25: 47,345,482 km (0.063 R)
• M26: 48,840,264 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.7

Radius: 5.5

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 14.9 AU - 19.4 AU

Year: 24847 Days

Day: 22.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,982,386 km

• M1: 92,003 km (0.085 R)
• M2: 2,066,695 km (0.116 R)
• M3: 2,734,499 km (0.083 R)
• M4: 6,412,812 km (0.091 R)
• M5: 7,768,169 km (0.103 R)
• M6: 7,939,309 km (0.076 R)
• M7: 13,818,655 km (0.09 R)
• M8: 15,780,331 km (0.105 R)
• M9: 19,686,033 km (0.111 R)
• M10: 23,292,987 km (0.105 R)
• M11: 24,190,724 km (0.036 R)
• M12: 31,023,307 km (0.104 R)
• M13: 44,534,538 km (0.067 R)
• M14: 46,194,925 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.3

Radius: 5.2

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 15.18 AU - 25.24 AU

Year: 31785 Days

Day: 24.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,982,386 km

• M1: 65,524 km (0.038 R)
• M2: 571,613 km (0.088 R)
• M3: 1,304,793 km (0.058 R)
• M4: 3,073,638 km (0.074 R)
• M5: 5,502,060 km (0.106 R)
• M6: 5,982,718 km (0.074 R)
• M7: 6,578,417 km (0.103 R)
• M8: 7,448,777 km (0.117 R)
• M9: 9,193,986 km (0.034 R)
• M10: 9,527,888 km (0.108 R)
• M11: 14,043,949 km (0.106 R)
• M12: 25,201,706 km (0.041 R)
• M13: 49,753,709 km (0.046 R)
• M14: 63,040,393 km (0.06 R)
• M15: 70,705,788 km (0.09 R)
• M16: 71,353,098 km (0.092 R)

Kuiper Belt

Range: 31.4 - 56.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 12,353 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit