🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.43 AU - 0.67 AU

Year: 150 Days

Day: 47.2 Hours

Environment

Temp: 147 °C

Axial Tilt: 11.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.88 AU - 0.98 AU

Year: 331 Days

Day: 35.6 Hours

Environment

Temp: 36 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.09 AU - 1.73 AU

Year: 618 Days

Day: 12.5 Hours

Environment

Temp: -43 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.77 AU - 2.59 AU

Year: 1188 Days

Day: 40.1 Hours

Environment

Temp: -70 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.44 AU - 3.58 AU

Year: 2426 Days

Day: 24.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.98 AU - 4.04 AU

Year: 2426 Days

Day: 21.6 Hours

Environment

Temp: -111 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,012,227 km

• M1: 2,278,675 km (0.081 R)

Asteroid Belt

Center: 4.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.9

Radius: 13.3

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5 AU - 6.58 AU

Year: 5140 Days

Day: 5.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,012,227 km

• M1: 166,951 km (0.116 R)
• M2: 970,591 km (0.074 R)
• M3: 1,872,816 km (0.111 R)
• M4: 2,753,050 km (0.08 R)
• M5: 3,236,999 km (0.108 R)
• M6: 5,896,849 km (0.115 R)
• M7: 6,375,113 km (0.11 R)
• M8: 7,741,391 km (0.078 R)
• M9: 9,252,628 km (0.1 R)
• M10: 10,303,553 km (0.06 R)
• M11: 13,063,933 km (0.045 R)
• M12: 15,674,416 km (0.098 R)
• M13: 16,284,925 km (0.082 R)
• M14: 20,720,502 km (0.11 R)
• M15: 23,372,124 km (0.062 R)
• M16: 24,250,264 km (0.114 R)
• M17: 27,453,902 km (0.073 R)
• M18: 28,883,609 km (0.08 R)
• M19: 29,709,240 km (0.036 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.1

Radius: 9.5

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.93 AU - 6.65 AU

Year: 5140 Days

Day: 6 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,012,227 km

• M1: 118,182 km (0.118 R)
• M2: 489,185 km (0.117 R)
• M3: 789,129 km (0.112 R)
• M4: 1,092,962 km (0.082 R)
• M5: 1,442,722 km (0.082 R)
• M6: 1,813,425 km (0.078 R)
• M7: 2,216,442 km (0.03 R)
• M8: 2,896,065 km (0.083 R)
• M9: 3,887,899 km (0.11 R)
• M10: 5,342,738 km (0.076 R)
• M11: 7,696,960 km (0.092 R)
• M12: 8,524,386 km (0.072 R)
• M13: 8,879,531 km (0.072 R)
• M14: 9,203,411 km (0.04 R)
• M15: 10,179,088 km (0.082 R)
• M16: 22,715,090 km (0.104 R)
• M17: 27,195,846 km (0.09 R)
• M18: 28,489,119 km (0.107 R)
• M19: 28,840,824 km (0.116 R)
• M20: 29,822,934 km (0.027 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 20,460 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit