🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.53 AU - 0.68 AU

Year: 171 Days

Day: 36.9 Hours

Environment

Temp: 194 °C

Axial Tilt: 16.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.56 AU - 0.74 AU

Year: 192 Days

Day: 18.5 Hours

Environment

Temp: 208 °C

Axial Tilt: 31.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.57 AU - 0.91 AU

Year: 234 Days

Day: 20.2 Hours

Environment

Temp: 143 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.78 AU - 0.84 AU

Year: 268 Days

Day: 15.1 Hours

Environment

Temp: 117 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.08 AU - 1.58 AU

Year: 563 Days

Day: 30.3 Hours

Environment

Temp: -24 °C

Axial Tilt: 0.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.31 AU - 1.63 AU

Year: 654 Days

Day: 28.2 Hours

Environment

Temp: -41 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.18 AU - 2.5 AU

Year: 1314 Days

Day: 25.7 Hours

Environment

Temp: -91 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.97 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642

Radius: 9.7

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.01 AU - 6.19 AU

Year: 4865 Days

Day: 9.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,950,525 km

• M1: 120,576 km (0.103 R)
• M2: 515,065 km (0.112 R)
• M3: 1,327,831 km (0.099 R)
• M4: 2,771,151 km (0.043 R)
• M5: 4,044,378 km (0.066 R)
• M6: 5,140,781 km (0.117 R)
• M7: 6,808,947 km (0.103 R)
• M8: 8,579,438 km (0.089 R)
• M9: 9,046,482 km (0.118 R)
• M10: 9,530,282 km (0.078 R)
• M11: 11,360,911 km (0.107 R)
• M12: 13,991,141 km (0.062 R)
• M13: 14,638,750 km (0.118 R)
• M14: 15,762,230 km (0.057 R)
• M15: 21,466,546 km (0.086 R)
• M16: 21,822,589 km (0.095 R)
• M17: 22,989,004 km (0.096 R)
• M18: 24,893,684 km (0.116 R)
• M19: 26,491,539 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.9

Radius: 4.4

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 15.11 AU - 18.73 AU

Year: 25549 Days

Day: 22.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,950,525 km

• M1: 55,202 km (0.068 R)
• M2: 266,883 km (0.112 R)
• M3: 420,220 km (0.074 R)
• M4: 992,432 km (0.099 R)
• M5: 1,294,919 km (0.049 R)
• M6: 1,475,185 km (0.085 R)
• M7: 2,194,002 km (0.097 R)
• M8: 2,350,033 km (0.116 R)
• M9: 2,886,042 km (0.094 R)
• M10: 4,655,635 km (0.08 R)
• M11: 6,197,840 km (0.072 R)
• M12: 7,382,505 km (0.1 R)
• M13: 7,868,848 km (0.065 R)
• M14: 9,003,847 km (0.119 R)
• M15: 10,904,338 km (0.117 R)
• M16: 13,701,220 km (0.119 R)
• M17: 14,164,824 km (0.071 R)
• M18: 14,502,317 km (0.051 R)
• M19: 15,405,140 km (0.115 R)
• M20: 17,169,048 km (0.054 R)
• M21: 17,863,781 km (0.105 R)
• M22: 21,709,942 km (0.094 R)
• M23: 24,785,824 km (0.115 R)
• M24: 26,784,751 km (0.081 R)
• M25: 27,404,684 km (0.11 R)
• M26: 28,140,107 km (0.077 R)
• M27: 29,322,080 km (0.096 R)
• M28: 39,993,196 km (0.097 R)
• M29: 42,454,529 km (0.044 R)
• M30: 43,155,695 km (0.053 R)
• M31: 45,014,897 km (0.083 R)
• M32: 49,507,770 km (0.117 R)
• M33: 49,662,454 km (0.072 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 18,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit