🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.1 AU - 1.58 AU

Year: 558 Days

Day: 27.6 Hours

Environment

Temp: -14 °C

Axial Tilt: 12.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.9 AU - 2.82 AU

Year: 1305 Days

Day: 35 Hours

Environment

Temp: -79 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.7

Radius: 8.6

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.37 AU - 7.87 AU

Year: 6837 Days

Day: 7.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,469,058 km

• M1: 106,962 km (0.09 R)
• M2: 1,893,759 km (0.084 R)
• M3: 2,285,407 km (0.109 R)
• M4: 2,613,924 km (0.113 R)
• M5: 3,232,212 km (0.103 R)
• M6: 3,586,459 km (0.073 R)
• M7: 8,476,215 km (0.083 R)
• M8: 9,268,635 km (0.088 R)
• M9: 11,804,618 km (0.118 R)
• M10: 14,192,799 km (0.062 R)
• M11: 14,930,316 km (0.095 R)
• M12: 17,119,681 km (0.102 R)
• M13: 18,943,130 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.9

Radius: 8.6

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.87 AU - 8.09 AU

Year: 8113 Days

Day: 13.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 129.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,469,058 km

• M1: 108,907 km (0.102 R)
• M2: 873,203 km (0.081 R)
• M3: 2,130,423 km (0.084 R)
• M4: 2,882,601 km (0.097 R)
• M5: 4,956,776 km (0.117 R)
• M6: 7,943,198 km (0.079 R)
• M7: 8,395,133 km (0.113 R)
• M8: 11,714,710 km (0.097 R)
• M9: 15,761,183 km (0.087 R)
• M10: 18,813,279 km (0.107 R)
• M11: 20,582,872 km (0.048 R)
• M12: 21,798,355 km (0.061 R)
• M13: 24,214,809 km (0.026 R)
• M14: 25,894,195 km (0.088 R)
• M15: 28,079,520 km (0.103 R)
• M16: 28,775,898 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.9

Radius: 9.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 10.13 AU - 11.67 AU

Year: 12951 Days

Day: 12.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,469,058 km

• M1: 120,426 km (0.104 R)
• M2: 1,043,146 km (0.061 R)
• M3: 1,475,035 km (0.072 R)
• M4: 2,549,597 km (0.104 R)
• M5: 4,267,878 km (0.117 R)
• M6: 4,738,812 km (0.072 R)
• M7: 8,289,816 km (0.033 R)
• M8: 11,488,518 km (0.11 R)
• M9: 13,727,101 km (0.1 R)
• M10: 14,478,980 km (0.106 R)
• M11: 15,831,643 km (0.056 R)
• M12: 16,419,413 km (0.108 R)
• M13: 17,826,531 km (0.091 R)
• M14: 18,917,100 km (0.113 R)
• M15: 22,090,370 km (0.093 R)
• M16: 28,511,110 km (0.083 R)

Kuiper Belt

Range: 30.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 10,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit