🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.2

Radius: 12.8

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.72 AU - 0.88 AU

Year: 494 Days

Day: 8.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,079,017 km

• M1: 159,471 km (0.064 R)
• M2: 584,778 km (0.067 R)
• M3: 1,110,315 km (0.075 R)
• M4: 2,180,838 km (0.063 R)
• M5: 2,822,164 km (0.086 R)
• M6: 3,911,984 km (0.104 R)
• M7: 4,403,713 km (0.045 R)
• M8: 4,965,901 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.4

Radius: 8.8

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.75 AU - 1.11 AU

Year: 619 Days

Day: 7.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,079,017 km

• M1: 109,506 km (0.11 R)
• M2: 441,015 km (0.086 R)
• M3: 787,034 km (0.066 R)
• M4: 1,245,701 km (0.12 R)
• M5: 1,572,722 km (0.073 R)
• M6: 2,022,862 km (0.089 R)
• M7: 2,355,718 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.6

Radius: 13.6

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.84 AU - 1.06 AU

Year: 639 Days

Day: 7 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,079,017 km

• M1: 169,195 km (0.072 R)
• M2: 601,234 km (0.068 R)
• M3: 1,127,370 km (0.089 R)
• M4: 1,656,946 km (0.107 R)
• M5: 2,322,357 km (0.091 R)
• M6: 3,013,051 km (0.05 R)
• M7: 3,513,306 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.7

Radius: 13.4

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.98 AU - 1.2 AU

Year: 786 Days

Day: 5.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,079,017 km

• M1: 166,802 km (0.111 R)
• M2: 739,163 km (0.031 R)
• M3: 1,293,872 km (0.111 R)
• M4: 1,743,563 km (0.087 R)
• M5: 2,179,192 km (0.061 R)
• M6: 2,698,895 km (0.111 R)
• M7: 3,204,686 km (0.099 R)
• M8: 5,099,941 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.9

Radius: 11.5

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.56 AU - 3.6 AU

Year: 3731 Days

Day: 12.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,079,017 km

• M1: 143,016 km (0.078 R)
• M2: 619,485 km (0.112 R)
• M3: 990,039 km (0.09 R)
• M4: 1,699,581 km (0.044 R)
• M5: 2,063,104 km (0.111 R)
• M6: 2,508,756 km (0.102 R)
• M7: 4,857,592 km (0.095 R)
• M8: 5,295,465 km (0.098 R)
• M9: 11,887,346 km (0.118 R)
• M10: 12,370,996 km (0.077 R)
• M11: 12,913,737 km (0.109 R)
• M12: 16,241,242 km (0.087 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 11,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit