🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.43 AU - 0.67 AU

Year: 156 Days

Day: 36.6 Hours

Environment

Temp: 195 °C

Axial Tilt: 28.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,708,920 km

• M1: 32,762 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.65 AU - 0.75 AU

Year: 224 Days

Day: 14.5 Hours

Environment

Temp: 88 °C

Axial Tilt: 2.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.06 AU - 1.26 AU

Year: 478 Days

Day: 24.6 Hours

Environment

Temp: -19 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3 AU - 4.56 AU

Year: 2814 Days

Day: 46.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,708,920 km

• M1: 216,618 km (0.075 R)
• M2: 843,582 km (0.106 R)

Asteroid Belt

Center: 5.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.1

Radius: 11.8

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.04 AU - 7.58 AU

Year: 6069 Days

Day: 13.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,708,920 km

• M1: 150,495 km (0.105 R)
• M2: 529,876 km (0.049 R)
• M3: 1,042,548 km (0.025 R)
• M4: 1,511,537 km (0.045 R)
• M5: 1,881,941 km (0.114 R)
• M6: 2,873,625 km (0.071 R)
• M7: 4,537,004 km (0.085 R)
• M8: 6,739,683 km (0.052 R)
• M9: 8,821,338 km (0.103 R)
• M10: 12,487,233 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.3

Radius: 6.5

Gravity: 23.13 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 10.02 AU - 15.66 AU

Year: 17616 Days

Day: 16.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,708,920 km

• M1: 80,783 km (0.06 R)
• M2: 654,939 km (0.11 R)
• M3: 906,713 km (0.084 R)
• M4: 1,862,942 km (0.082 R)
• M5: 3,226,078 km (0.115 R)
• M6: 3,935,770 km (0.078 R)
• M7: 6,916,658 km (0.091 R)
• M8: 9,218,520 km (0.111 R)
• M9: 9,791,929 km (0.11 R)
• M10: 10,388,675 km (0.094 R)
• M11: 12,324,920 km (0.056 R)
• M12: 12,600,030 km (0.096 R)
• M13: 14,873,320 km (0.062 R)
• M14: 15,984,383 km (0.12 R)
• M15: 16,311,703 km (0.081 R)
• M16: 17,406,460 km (0.1 R)
• M17: 20,500,144 km (0.046 R)
• M18: 20,983,944 km (0.052 R)
• M19: 22,892,214 km (0.093 R)
• M20: 23,518,132 km (0.096 R)
• M21: 28,222,685 km (0.101 R)
• M22: 28,821,376 km (0.074 R)
• M23: 30,168,505 km (0.051 R)
• M24: 37,681,759 km (0.065 R)
• M25: 44,071,383 km (0.044 R)
• M26: 49,571,199 km (0.055 R)
• M27: 53,846,557 km (0.058 R)
• M28: 54,767,182 km (0.089 R)
• M29: 78,003,322 km (0.113 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 12,248 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit