🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.5

Radius: 13.6

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.46 AU - 0.6 AU

Year: 266 Days

Day: 12.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,428,960 km

• M1: 169,195 km (0.109 R)
• M2: 595,549 km (0.116 R)
• M3: 1,024,596 km (0.065 R)
• M4: 1,520,662 km (0.065 R)
• M5: 2,393,865 km (0.049 R)
• M6: 3,231,164 km (0.063 R)
• M7: 3,803,975 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.2

Radius: 12.6

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.61 AU - 0.83 AU

Year: 422 Days

Day: 13.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,428,960 km

• M1: 156,779 km (0.104 R)
• M2: 668,254 km (0.111 R)
• M3: 1,114,205 km (0.066 R)
• M4: 1,582,297 km (0.05 R)
• M5: 2,093,622 km (0.095 R)
• M6: 2,509,953 km (0.117 R)
• M7: 3,095,778 km (0.041 R)
• M8: 3,513,007 km (0.074 R)
• M9: 4,119,626 km (0.072 R)
• M10: 4,752,724 km (0.102 R)

Asteroid Belt

Center: 2.38 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.9

Radius: 10.3

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.03 AU - 4.03 AU

Year: 5584 Days

Day: 6.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,428,960 km

• M1: 129,851 km (0.096 R)
• M2: 630,555 km (0.101 R)
• M3: 1,229,246 km (0.119 R)
• M4: 1,743,862 km (0.032 R)
• M5: 2,683,038 km (0.097 R)
• M6: 3,379,565 km (0.061 R)
• M7: 4,633,495 km (0.09 R)
• M8: 5,473,188 km (0.108 R)
• M9: 7,892,784 km (0.111 R)
• M10: 10,907,630 km (0.094 R)
• M11: 11,789,509 km (0.046 R)
• M12: 13,200,666 km (0.076 R)
• M13: 13,997,723 km (0.087 R)
• M14: 15,742,782 km (0.109 R)
• M15: 17,099,785 km (0.058 R)
• M16: 17,450,891 km (0.065 R)
• M17: 21,434,383 km (0.095 R)
• M18: 22,187,159 km (0.114 R)
• M19: 24,477,204 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.9

Radius: 4.5

Gravity: 18.32 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.1 AU - 9.98 AU

Year: 18761 Days

Day: 22.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,428,960 km

• M1: 56,249 km (0.098 R)
• M2: 285,732 km (0.119 R)
• M3: 918,531 km (0.115 R)
• M4: 1,160,879 km (0.032 R)
• M5: 5,287,986 km (0.105 R)
• M6: 7,213,609 km (0.09 R)
• M7: 9,096,897 km (0.083 R)
• M8: 9,561,698 km (0.108 R)
• M9: 10,764,614 km (0.087 R)
• M10: 11,167,631 km (0.12 R)
• M11: 11,942,548 km (0.095 R)
• M12: 12,880,526 km (0.099 R)
• M13: 13,138,732 km (0.093 R)
• M14: 17,833,263 km (0.089 R)
• M15: 33,637,829 km (0.051 R)
• M16: 34,004,643 km (0.112 R)
• M17: 34,870,815 km (0.075 R)
• M18: 39,288,290 km (0.11 R)
• M19: 47,505,552 km (0.093 R)
• M20: 50,800,295 km (0.058 R)
• M21: 54,411,887 km (0.083 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: 235 - 13,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit