🌌 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: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.58 AU - 0.72 AU

Year: 333 Days

Day: 25.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470

Radius: 13.8

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.78 AU - 1.28 AU

Year: 665 Days

Day: 14.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 7,622,635 km

• M1: 171,589 km (0.118 R)
• M2: 607,816 km (0.116 R)
• M3: 1,404,874 km (0.093 R)
• M4: 1,920,238 km (0.063 R)
• M5: 2,384,440 km (0.11 R)
• M6: 2,835,927 km (0.082 R)
• M7: 3,284,272 km (0.049 R)
• M8: 4,053,953 km (0.036 R)
• M9: 4,688,248 km (0.064 R)
• M10: 5,543,349 km (0.063 R)
• M11: 6,251,097 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.3

Radius: 12.4

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.96 AU - 1.26 AU

Year: 744 Days

Day: 11.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 7,622,635 km

• M1: 154,235 km (0.064 R)
• M2: 663,167 km (0.09 R)
• M3: 1,130,511 km (0.06 R)
• M4: 1,658,143 km (0.1 R)
• M5: 2,318,019 km (0.079 R)
• M6: 3,060,922 km (0.098 R)
• M7: 3,617,576 km (0.069 R)
• M8: 4,195,323 km (0.108 R)
• M9: 4,635,739 km (0.111 R)
• M10: 5,265,396 km (0.112 R)
• M11: 5,932,004 km (0.112 R)
• M12: 6,447,967 km (0.082 R)
• M13: 7,233,955 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 13.4

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.24 AU - 1.27 AU

Year: 889 Days

Day: 9.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 7,622,635 km

• M1: 166,652 km (0.099 R)
• M2: 613,650 km (0.101 R)
• M3: 1,142,778 km (0.108 R)
• M4: 1,682,826 km (0.114 R)
• M5: 2,151,068 km (0.032 R)
• M6: 3,383,605 km (0.118 R)
• M7: 4,067,865 km (0.082 R)
• M8: 4,616,441 km (0.081 R)
• M9: 5,442,520 km (0.109 R)
• M10: 5,976,435 km (0.08 R)
• M11: 6,770,351 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.8

Radius: 13.7

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.69 AU - 2.13 AU

Year: 1678 Days

Day: 13.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 7,622,635 km

• M1: 170,542 km (0.059 R)
• M2: 669,151 km (0.074 R)
• M3: 1,403,527 km (0.099 R)
• M4: 3,033,845 km (0.106 R)
• M5: 4,462,355 km (0.107 R)
• M6: 5,077,651 km (0.065 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: 408 - 11,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit