🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.79 AU - 1.13 AU

Year: 331 Days

Day: 24.3 Hours

Environment

Temp: 117 °C

Axial Tilt: 3.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.04 AU - 1.14 AU

Year: 400 Days

Day: 47 Hours

Environment

Temp: 42 °C

Axial Tilt: 42.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.68 AU - 2.9 AU

Year: 1638 Days

Day: 14.5 Hours

Environment

Temp: -95 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.47 AU - 3.31 AU

Year: 1727 Days

Day: 39.7 Hours

Environment

Temp: -89 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.45 AU - 5.67 AU

Year: 4000 Days

Day: 18.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 170.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,180,478 km

• M1: 1,624,483 km (0.112 R)

Asteroid Belt

Center: 5.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.5

Radius: 12.2

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.35 AU - 6.53 AU

Year: 5088 Days

Day: 11.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,180,478 km

• M1: 152,291 km (0.116 R)
• M2: 726,447 km (0.088 R)
• M3: 1,212,192 km (0.112 R)
• M4: 1,719,029 km (0.069 R)
• M5: 2,706,225 km (0.059 R)
• M6: 3,536,793 km (0.085 R)
• M7: 4,955,729 km (0.116 R)
• M8: 6,622,099 km (0.043 R)
• M9: 7,416,763 km (0.102 R)
• M10: 8,244,339 km (0.096 R)
• M11: 9,388,463 km (0.087 R)
• M12: 11,027,158 km (0.107 R)
• M13: 12,336,888 km (0.055 R)
• M14: 12,769,076 km (0.067 R)
• M15: 13,211,586 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.6

Radius: 12.2

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.21 AU - 8.35 AU

Year: 8374 Days

Day: 8.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 75.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,180,478 km

• M1: 155,432 km (0.049 R)
• M2: 673,190 km (0.111 R)
• M3: 1,434,195 km (0.094 R)
• M4: 2,133,714 km (0.097 R)
• M5: 2,533,889 km (0.084 R)
• M6: 3,275,894 km (0.025 R)
• M7: 4,408,649 km (0.091 R)
• M8: 5,160,079 km (0.038 R)
• M9: 6,500,925 km (0.028 R)
• M10: 8,999,359 km (0.058 R)
• M11: 9,518,763 km (0.115 R)
• M12: 9,909,064 km (0.062 R)
• M13: 12,537,947 km (0.071 R)
• M14: 15,201,537 km (0.087 R)
• M15: 15,939,354 km (0.08 R)
• M16: 16,490,921 km (0.079 R)
• M17: 18,222,068 km (0.033 R)
• M18: 20,552,653 km (0.104 R)
• M19: 21,538,353 km (0.116 R)
• M20: 37,372,839 km (0.084 R)

Kuiper Belt

Range: 31.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 12,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit