🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.97 AU - 1.07 AU

Year: 388 Days

Day: 15 Hours

Environment

Temp: -2 °C

Axial Tilt: 4.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.68 AU - 2.54 AU

Year: 1155 Days

Day: 20.1 Hours

Environment

Temp: -81 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.91 AU - 2.35 AU

Year: 1171 Days

Day: 17.3 Hours

Environment

Temp: -73 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,895,687 km

• M1: 37,699 km (0.112 R)
• M2: 603,927 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.15 AU - 4.93 AU

Year: 3059 Days

Day: 19.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,895,687 km

• M1: 792,270 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.5

Radius: 8.7

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.67 AU - 9.05 AU

Year: 7522 Days

Day: 11.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 69.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,895,687 km

• M1: 109,356 km (0.061 R)
• M2: 657,333 km (0.112 R)
• M3: 1,431,652 km (0.058 R)
• M4: 2,189,963 km (0.09 R)
• M5: 6,854,275 km (0.043 R)
• M6: 8,499,253 km (0.079 R)
• M7: 9,353,158 km (0.087 R)
• M8: 9,677,636 km (0.045 R)
• M9: 11,784,273 km (0.089 R)
• M10: 13,094,750 km (0.074 R)
• M11: 13,501,058 km (0.079 R)
• M12: 13,915,893 km (0.069 R)
• M13: 16,060,528 km (0.075 R)
• M14: 19,315,778 km (0.05 R)
• M15: 21,410,597 km (0.068 R)
• M16: 22,046,089 km (0.107 R)
• M17: 25,966,750 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.7

Radius: 12.6

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.35 AU - 7.59 AU

Year: 7691 Days

Day: 7.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,895,687 km

• M1: 156,629 km (0.053 R)
• M2: 640,428 km (0.106 R)
• M3: 1,310,777 km (0.099 R)
• M4: 1,775,278 km (0.077 R)
• M5: 3,151,578 km (0.083 R)
• M6: 3,686,840 km (0.111 R)
• M7: 4,256,209 km (0.118 R)
• M8: 6,358,957 km (0.107 R)
• M9: 6,887,187 km (0.068 R)
• M10: 7,952,174 km (0.081 R)
• M11: 9,211,788 km (0.12 R)
• M12: 12,882,770 km (0.089 R)
• M13: 13,501,208 km (0.118 R)
• M14: 18,682,081 km (0.061 R)
• M15: 19,474,950 km (0.073 R)
• M16: 23,447,073 km (0.097 R)
• M17: 26,917,893 km (0.115 R)
• M18: 30,519,462 km (0.077 R)
• M19: 31,216,288 km (0.097 R)
• M20: 34,537,660 km (0.067 R)
• M21: 35,841,855 km (0.117 R)
• M22: 37,404,404 km (0.107 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: 227 - 20,186 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit