🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.99 AU - 1.33 AU

Year: 447 Days

Day: 33.6 Hours

Environment

Temp: 4 °C

Axial Tilt: 3.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 28,641,549 km

• M1: 25,432 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.4 AU - 1.56 AU

Year: 645 Days

Day: 42.1 Hours

Environment

Temp: -29 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.99 AU - 2.35 AU

Year: 1145 Days

Day: 38.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.7

Radius: 15

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.57 AU - 7.51 AU

Year: 5317 Days

Day: 11.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,641,549 km

• M1: 186,549 km (0.049 R)
• M2: 680,371 km (0.049 R)
• M3: 1,298,360 km (0.026 R)
• M4: 1,913,207 km (0.095 R)
• M5: 2,477,341 km (0.118 R)
• M6: 3,689,083 km (0.09 R)
• M7: 4,265,035 km (0.092 R)
• M8: 4,782,644 km (0.047 R)
• M9: 5,864,536 km (0.044 R)
• M10: 6,653,216 km (0.113 R)
• M11: 9,487,198 km (0.075 R)
• M12: 10,901,646 km (0.098 R)
• M13: 13,047,627 km (0.087 R)
• M14: 14,643,537 km (0.031 R)
• M15: 15,462,586 km (0.098 R)
• M16: 16,748,379 km (0.06 R)
• M17: 18,395,751 km (0.062 R)
• M18: 19,900,855 km (0.108 R)
• M19: 20,970,181 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.2

Radius: 12.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.61 AU - 6.93 AU

Year: 5623 Days

Day: 7.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,641,549 km

• M1: 162,613 km (0.116 R)
• M2: 608,415 km (0.12 R)
• M3: 1,082,640 km (0.107 R)
• M4: 1,796,072 km (0.049 R)
• M5: 2,719,091 km (0.09 R)
• M6: 3,308,058 km (0.109 R)
• M7: 6,249,152 km (0.087 R)
• M8: 6,687,025 km (0.054 R)
• M9: 7,589,848 km (0.041 R)
• M10: 8,421,463 km (0.064 R)
• M11: 10,967,618 km (0.051 R)
• M12: 11,793,997 km (0.108 R)
• M13: 12,319,235 km (0.102 R)
• M14: 17,221,856 km (0.112 R)
• M15: 18,785,453 km (0.118 R)
• M16: 19,568,748 km (0.119 R)
• M17: 21,978,171 km (0.047 R)
• M18: 23,515,289 km (0.089 R)
• M19: 25,437,173 km (0.092 R)
• M20: 26,639,491 km (0.073 R)

Kuiper Belt

Range: 30.6 - 58.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 16,810 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit