🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.64 AU - 0.66 AU

Year: 344 Days

Day: 26.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,242,945 km

• M1: 126,560 km (0.053 R)
• M2: 621,878 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.2

Radius: 13.9

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.05 AU - 1.09 AU

Year: 726 Days

Day: 14.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,242,945 km

• M1: 172,935 km (0.086 R)
• M2: 639,680 km (0.103 R)
• M3: 1,093,112 km (0.106 R)
• M4: 1,556,865 km (0.034 R)
• M5: 2,118,156 km (0.037 R)
• M6: 2,669,574 km (0.068 R)
• M7: 3,278,587 km (0.106 R)
• M8: 3,922,007 km (0.118 R)
• M9: 4,381,572 km (0.112 R)
• M10: 5,027,984 km (0.12 R)
• M11: 5,962,971 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.2

Radius: 10.4

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.31 AU - 1.35 AU

Year: 1006 Days

Day: 9.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,242,945 km

• M1: 136,284 km (0.062 R)
• M2: 583,132 km (0.074 R)
• M3: 1,016,966 km (0.069 R)
• M4: 1,488,648 km (0.066 R)
• M5: 1,846,636 km (0.117 R)
• M6: 2,617,813 km (0.09 R)
• M7: 3,037,435 km (0.104 R)
• M8: 3,370,590 km (0.105 R)
• M9: 3,853,043 km (0.092 R)
• M10: 4,502,896 km (0.119 R)
• M11: 5,185,511 km (0.096 R)
• M12: 5,767,596 km (0.073 R)
• M13: 6,392,766 km (0.103 R)
• M14: 6,826,300 km (0.105 R)
• M15: 7,426,786 km (0.119 R)
• M16: 7,984,038 km (0.073 R)
• M17: 9,705,461 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.3

Radius: 9.4

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.33 AU - 6.41 AU

Year: 8163 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,242,945 km

• M1: 116,986 km (0.061 R)
• M2: 483,201 km (0.114 R)
• M3: 880,683 km (0.054 R)
• M4: 1,359,097 km (0.099 R)
• M5: 2,004,611 km (0.1 R)
• M6: 2,318,767 km (0.112 R)
• M7: 2,723,728 km (0.061 R)
• M8: 3,153,972 km (0.106 R)
• M9: 3,676,816 km (0.075 R)
• M10: 5,791,532 km (0.068 R)
• M11: 6,365,389 km (0.098 R)
• M12: 7,201,492 km (0.106 R)
• M13: 7,986,582 km (0.079 R)
• M14: 10,586,443 km (0.075 R)
• M15: 12,901,470 km (0.075 R)
• M16: 15,662,598 km (0.065 R)
• M17: 20,126,898 km (0.084 R)
• M18: 22,895,057 km (0.095 R)
• M19: 28,595,633 km (0.116 R)
• M20: 32,601,266 km (0.079 R)
• M21: 35,066,040 km (0.101 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 18,933 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit