🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.48 AU - 0.56 AU

Year: 136 Days

Day: 20.4 Hours

Environment

Temp: 175 °C

Axial Tilt: 6.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.66 AU - 1.08 AU

Year: 293 Days

Day: 29.7 Hours

Environment

Temp: 80 °C

Axial Tilt: 5.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.91 AU - 1.37 AU

Year: 440 Days

Day: 15.4 Hours

Environment

Temp: 24 °C

Axial Tilt: 46.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 68,635,632 km

• M1: 44,879 km (0.05 R)
• M2: 421,716 km (0.079 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.08 AU - 1.3 AU

Year: 469 Days

Day: 47.9 Hours

Environment

Temp: 22 °C

Axial Tilt: 139.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 68,635,632 km

• M1: 14,212 km (0.101 R)
• M2: 59,241 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.82 AU - 3.7 AU

Year: 2129 Days

Day: 16.4 Hours

Environment

Temp: -100 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.4 AU - 4.4 AU

Year: 2785 Days

Day: 39.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.07 AU - 4.75 AU

Year: 2796 Days

Day: 34.5 Hours

Environment

Temp: -110 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.4

Radius: 12.8

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.58 AU - 5.66 AU

Year: 4190 Days

Day: 7 Hours

Environment

Temp: -143 °C

Axial Tilt: 176.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,635,632 km

• M1: 159,322 km (0.096 R)
• M2: 589,266 km (0.111 R)
• M3: 1,125,126 km (0.118 R)
• M4: 1,565,392 km (0.092 R)
• M5: 2,094,221 km (0.089 R)
• M6: 2,559,919 km (0.068 R)
• M7: 3,021,727 km (0.074 R)
• M8: 3,662,156 km (0.099 R)
• M9: 4,138,326 km (0.073 R)
• M10: 4,655,635 km (0.045 R)
• M11: 5,322,692 km (0.097 R)
• M12: 6,170,763 km (0.118 R)
• M13: 6,784,712 km (0.086 R)
• M14: 7,677,961 km (0.05 R)
• M15: 8,912,742 km (0.098 R)
• M16: 9,779,512 km (0.064 R)
• M17: 11,007,262 km (0.098 R)
• M18: 11,453,512 km (0.117 R)
• M19: 12,671,089 km (0.056 R)
• M20: 15,695,659 km (0.11 R)
• M21: 17,798,257 km (0.094 R)
• M22: 19,950,821 km (0.1 R)

Asteroid Belt

Center: 9.86 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 14.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.1

Radius: 4.7

Gravity: 22.41 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 12.23 AU - 16.95 AU

Year: 20155 Days

Day: 23.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,635,632 km

• M1: 58,642 km (0.041 R)
• M2: 230,979 km (0.062 R)
• M3: 850,015 km (0.117 R)
• M4: 1,453,792 km (0.108 R)
• M5: 1,818,961 km (0.069 R)
• M6: 3,100,715 km (0.115 R)
• M7: 3,365,802 km (0.103 R)
• M8: 5,472,889 km (0.042 R)
• M9: 5,781,509 km (0.08 R)
• M10: 5,940,083 km (0.101 R)
• M11: 6,101,499 km (0.105 R)
• M12: 6,433,307 km (0.049 R)
• M13: 6,820,915 km (0.079 R)
• M14: 7,979,251 km (0.079 R)
• M15: 8,630,600 km (0.106 R)
• M16: 11,530,256 km (0.105 R)
• M17: 14,358,703 km (0.066 R)
• M18: 15,244,472 km (0.052 R)
• M19: 16,323,372 km (0.042 R)
• M20: 17,124,468 km (0.092 R)
• M21: 22,197,182 km (0.065 R)
• M22: 23,479,685 km (0.028 R)
• M23: 24,396,122 km (0.106 R)
• M24: 29,571,909 km (0.108 R)
• M25: 30,281,152 km (0.077 R)
• M26: 31,610,778 km (0.104 R)
• M27: 33,869,706 km (0.074 R)
• M28: 36,638,314 km (0.073 R)
• M29: 36,909,684 km (0.114 R)
• M30: 39,411,858 km (0.072 R)
• M31: 39,982,873 km (0.101 R)
• M32: 41,876,782 km (0.108 R)
• M33: 43,525,351 km (0.111 R)
• M34: 47,916,048 km (0.086 R)
• M35: 48,078,063 km (0.051 R)
• M36: 59,975,881 km (0.088 R)
• M37: 65,396,260 km (0.119 R)
• M38: 65,595,674 km (0.053 R)

Kuiper Belt

Range: 30.3 - 48.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 16,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit