🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.56 AU - 0.64 AU

Year: 300 Days

Day: 31.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,882,672 km

• M1: 157,826 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804

Radius: 14.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.93 AU - 1.11 AU

Year: 665 Days

Day: 9.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,882,672 km

• M1: 185,352 km (0.102 R)
• M2: 857,944 km (0.111 R)
• M3: 1,414,149 km (0.06 R)
• M4: 1,929,364 km (0.081 R)
• M5: 2,528,952 km (0.078 R)
• M6: 3,487,126 km (0.108 R)
• M7: 4,758,708 km (0.109 R)
• M8: 6,608,037 km (0.101 R)
• M9: 7,964,291 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.2

Radius: 13.4

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.03 AU - 1.41 AU

Year: 870 Days

Day: 13.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,882,672 km

• M1: 168,298 km (0.092 R)
• M2: 593,156 km (0.064 R)
• M3: 1,119,590 km (0.086 R)
• M4: 1,713,344 km (0.082 R)
• M5: 2,154,658 km (0.101 R)
• M6: 2,827,101 km (0.078 R)
• M7: 3,314,341 km (0.074 R)
• M8: 3,783,031 km (0.068 R)
• M9: 4,231,376 km (0.114 R)
• M10: 4,872,851 km (0.12 R)
• M11: 6,246,010 km (0.099 R)
• M12: 7,288,109 km (0.064 R)
• M13: 8,598,586 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.3

Radius: 13.1

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.27 AU - 2.39 AU

Year: 2296 Days

Day: 7.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,882,672 km

• M1: 163,810 km (0.114 R)
• M2: 588,668 km (0.118 R)
• M3: 1,361,341 km (0.099 R)
• M4: 2,057,719 km (0.045 R)
• M5: 5,312,370 km (0.077 R)
• M6: 6,635,414 km (0.107 R)
• M7: 9,238,417 km (0.108 R)
• M8: 9,663,424 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.1

Radius: 14.7

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.39 AU - 3.83 AU

Year: 4429 Days

Day: 10.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,882,672 km

• M1: 183,557 km (0.069 R)
• M2: 2,089,284 km (0.106 R)
• M3: 2,627,537 km (0.09 R)
• M4: 3,436,861 km (0.119 R)
• M5: 6,017,425 km (0.08 R)
• M6: 6,601,455 km (0.099 R)
• M7: 7,325,060 km (0.091 R)
• M8: 8,776,009 km (0.054 R)
• M9: 12,436,370 km (0.113 R)
• M10: 14,065,940 km (0.092 R)
• M11: 14,548,991 km (0.101 R)
• M12: 15,662,149 km (0.09 R)
• M13: 20,965,842 km (0.12 R)
• M14: 26,376,349 km (0.07 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 18,537 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit