🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.74 AU - 1.04 AU

Year: 316 Days

Day: 23.3 Hours

Environment

Temp: 17 °C

Axial Tilt: 134.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 17,960,636 km

• M1: 347,217 km (0.118 R)
• M2: 398,678 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.97 AU - 1.25 AU

Year: 441 Days

Day: 24 Hours

Environment

Temp: 1 °C

Axial Tilt: 39.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 17,960,636 km

• M1: 467,942 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.65 AU - 4.19 AU

Year: 2924 Days

Day: 30.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.6

Radius: 11.2

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.43 AU - 5.43 AU

Year: 4767 Days

Day: 7.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 17,960,636 km

• M1: 182,360 km (0.096 R)
• M2: 309,368 km (0.078 R)
• M3: 421,118 km (0.115 R)
• M4: 754,272 km (0.051 R)
• M5: 861,684 km (0.095 R)
• M6: 1,344,586 km (0.107 R)
• M7: 1,854,266 km (0.029 R)
• M8: 2,079,410 km (0.069 R)
• M9: 2,340,309 km (0.052 R)
• M10: 2,751,554 km (0.099 R)
• M11: 2,879,310 km (0.042 R)
• M12: 3,410,831 km (0.062 R)
• M13: 3,517,644 km (0.031 R)
• M14: 3,625,804 km (0.091 R)
• M15: 3,766,276 km (0.104 R)
• M16: 3,908,843 km (0.075 R)
• M17: 4,346,865 km (0.098 R)
• M18: 4,479,708 km (0.08 R)
• M19: 4,715,624 km (0.058 R)
• M20: 5,826,687 km (0.114 R)
• M21: 6,084,445 km (0.097 R)
• M22: 6,308,243 km (0.096 R)
• M23: 6,383,491 km (0.094 R)
• M24: 7,428,282 km (0.1 R)
• M25: 7,587,604 km (0.103 R)
• M26: 7,768,169 km (0.12 R)
• M27: 8,133,636 km (0.111 R)
• M28: 8,215,765 km (0.11 R)
• M29: 8,401,267 km (0.071 R)
• M30: 8,504,938 km (0.09 R)
• M31: 9,008,335 km (0.079 R)
• M32: 9,199,671 km (0.084 R)
• M33: 9,285,241 km (0.092 R)
• M34: 9,370,960 km (0.109 R)
• M35: 9,673,148 km (0.052 R)
• M36: 9,956,636 km (0.094 R)
• M37: 10,509,550 km (0.098 R)
• M38: 10,688,618 km (0.074 R)
• M39: 11,323,212 km (0.045 R)
• M40: 11,970,223 km (0.098 R)
• M41: 12,227,681 km (0.116 R)
• M42: 13,107,017 km (0.088 R)
• M43: 13,663,970 km (0.079 R)
• M44: 13,834,961 km (0.099 R)
• M45: 14,278,070 km (0.101 R)
• M46: 14,775,931 km (0.061 R)
• M47: 16,536,698 km (0.119 R)
• M48: 16,849,807 km (0.099 R)
• M49: 17,085,722 km (0.056 R)
• M50: 17,720,616 km (0.086 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 13,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit