🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.58 AU - 0.6 AU

Year: 173 Days

Day: 21 Hours

Environment

Temp: 199 °C

Axial Tilt: 23.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 19,860,477 km

• M1: 28,872 km (0.08 R)
• M2: 90,058 km (0.026 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.89 AU - 0.93 AU

Year: 331 Days

Day: 20.2 Hours

Environment

Temp: 22 °C

Axial Tilt: 47.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.92 AU - 1.36 AU

Year: 464 Days

Day: 23.3 Hours

Environment

Temp: -17 °C

Axial Tilt: 15.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.36 AU - 3.52 AU

Year: 2430 Days

Day: 17.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,860,477 km

• M1: 20,345 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241

Radius: 11.5

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.98 AU - 4.94 AU

Year: 3587 Days

Day: 5.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,860,477 km

• M1: 143,016 km (0.108 R)
• M2: 672,442 km (0.067 R)
• M3: 1,094,757 km (0.047 R)
• M4: 1,824,196 km (0.093 R)
• M5: 2,622,301 km (0.111 R)
• M6: 3,346,504 km (0.049 R)
• M7: 5,731,842 km (0.076 R)
• M8: 7,375,325 km (0.1 R)
• M9: 12,574,150 km (0.089 R)
• M10: 13,204,705 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.3

Radius: 12

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.44 AU - 4.58 AU

Year: 3647 Days

Day: 14.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 19,860,477 km

• M1: 151,094 km (0.048 R)
• M2: 877,092 km (0.036 R)
• M3: 1,439,281 km (0.049 R)
• M4: 1,839,755 km (0.071 R)
• M5: 2,248,456 km (0.029 R)
• M6: 2,888,884 km (0.111 R)
• M7: 3,287,712 km (0.103 R)
• M8: 3,818,934 km (0.087 R)
• M9: 4,535,807 km (0.096 R)
• M10: 4,984,751 km (0.106 R)
• M11: 5,463,165 km (0.094 R)
• M12: 6,051,084 km (0.102 R)
• M13: 8,039,988 km (0.086 R)
• M14: 9,360,040 km (0.045 R)
• M15: 10,053,276 km (0.087 R)
• M16: 10,702,381 km (0.075 R)
• M17: 11,217,447 km (0.068 R)
• M18: 11,707,380 km (0.075 R)
• M19: 14,138,944 km (0.068 R)
• M20: 15,348,442 km (0.087 R)
• M21: 15,851,241 km (0.087 R)
• M22: 18,083,540 km (0.083 R)
• M23: 18,758,077 km (0.036 R)
• M24: 19,801,373 km (0.106 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: 518 - 15,224 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit