🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.65 AU - 0.75 AU

Year: 224 Days

Day: 28.6 Hours

Environment

Temp: 109 °C

Axial Tilt: 3.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.02 AU - 1.12 AU

Year: 424 Days

Day: 28.3 Hours

Environment

Temp: -8 °C

Axial Tilt: 1.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 64,503,347 km

• M1: 235,766 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.08 AU - 1.28 AU

Year: 491 Days

Day: 35.5 Hours

Environment

Temp: -31 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.29 AU - 1.31 AU

Year: 568 Days

Day: 18.1 Hours

Environment

Temp: -39 °C

Axial Tilt: 73.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.45 AU - 2.29 AU

Year: 979 Days

Day: 29.1 Hours

Environment

Temp: -71 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.25 AU - 2.81 AU

Year: 1541 Days

Day: 47.4 Hours

Environment

Temp: -105 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,503,347 km

• M1: 396,883 km (0.081 R)

Asteroid Belt

Center: 5.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.2

Radius: 10.6

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.23 AU - 7.75 AU

Year: 7849 Days

Day: 10.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,503,347 km

• M1: 132,394 km (0.09 R)
• M2: 679,773 km (0.097 R)
• M3: 2,037,673 km (0.094 R)
• M4: 2,668,527 km (0.092 R)
• M5: 3,343,512 km (0.08 R)
• M6: 6,124,238 km (0.082 R)
• M7: 6,531,892 km (0.064 R)
• M8: 7,865,258 km (0.105 R)
• M9: 8,771,222 km (0.084 R)
• M10: 17,971,641 km (0.12 R)
• M11: 19,205,375 km (0.088 R)
• M12: 19,673,766 km (0.102 R)
• M13: 21,054,255 km (0.098 R)
• M14: 23,853,680 km (0.116 R)
• M15: 24,317,283 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775

Radius: 10.5

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.75 AU - 10.61 AU

Year: 10650 Days

Day: 9.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,503,347 km

• M1: 131,048 km (0.117 R)
• M2: 533,915 km (0.069 R)
• M3: 885,320 km (0.076 R)
• M4: 1,708,557 km (0.061 R)
• M5: 2,677,802 km (0.064 R)
• M6: 4,678,225 km (0.068 R)
• M7: 5,122,081 km (0.066 R)
• M8: 5,840,600 km (0.087 R)
• M9: 7,394,024 km (0.089 R)
• M10: 8,494,915 km (0.091 R)
• M11: 8,821,936 km (0.113 R)
• M12: 11,297,033 km (0.069 R)
• M13: 12,216,013 km (0.114 R)
• M14: 13,496,720 km (0.096 R)
• M15: 14,864,942 km (0.064 R)
• M16: 15,272,297 km (0.113 R)
• M17: 19,121,899 km (0.12 R)
• M18: 19,766,516 km (0.041 R)
• M19: 21,269,825 km (0.113 R)
• M20: 26,138,039 km (0.11 R)
• M21: 36,022,120 km (0.103 R)
• M22: 40,985,179 km (0.096 R)
• M23: 43,146,868 km (0.038 R)
• M24: 45,241,388 km (0.096 R)
• M25: 51,930,956 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.3

Radius: 5.9

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 15.09 AU - 18.41 AU

Year: 26248 Days

Day: 22.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,503,347 km

• M1: 73,453 km (0.097 R)
• M2: 295,157 km (0.084 R)
• M3: 551,119 km (0.084 R)
• M4: 778,358 km (0.105 R)
• M5: 1,218,923 km (0.064 R)
• M6: 2,184,578 km (0.066 R)
• M7: 4,881,079 km (0.102 R)
• M8: 5,303,993 km (0.094 R)
• M9: 6,468,163 km (0.115 R)
• M10: 8,030,862 km (0.072 R)
• M11: 9,290,477 km (0.12 R)
• M12: 11,207,424 km (0.058 R)
• M13: 13,508,837 km (0.086 R)
• M14: 15,280,675 km (0.057 R)
• M15: 17,767,440 km (0.116 R)
• M16: 21,516,512 km (0.1 R)
• M17: 25,137,678 km (0.082 R)
• M18: 28,918,465 km (0.033 R)
• M19: 32,203,186 km (0.036 R)
• M20: 32,691,772 km (0.066 R)
• M21: 35,598,010 km (0.092 R)
• M22: 37,853,647 km (0.037 R)
• M23: 41,484,836 km (0.081 R)
• M24: 42,500,755 km (0.098 R)
• M25: 43,831,129 km (0.084 R)
• M26: 44,582,110 km (0.089 R)
• M27: 45,036,738 km (0.101 R)
• M28: 49,592,592 km (0.048 R)
• M29: 50,572,159 km (0.046 R)
• M30: 57,255,144 km (0.075 R)
• M31: 59,058,995 km (0.111 R)
• M32: 60,900,246 km (0.101 R)
• M33: 61,647,338 km (0.06 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 12,774 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit