🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.97 AU - 1.51 AU

Year: 502 Days

Day: 17.5 Hours

Environment

Temp: -1 °C

Axial Tilt: 129.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.96 AU - 3 AU

Year: 1870 Days

Day: 27.2 Hours

Environment

Temp: -94 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.57 AU - 4.73 AU

Year: 3073 Days

Day: 35.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,756,935 km

• M1: 32,014 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.3

Radius: 13.1

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.02 AU - 5.12 AU

Year: 4149 Days

Day: 6 Hours

Environment

Temp: -141 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,756,935 km

• M1: 162,912 km (0.103 R)
• M2: 701,913 km (0.039 R)
• M3: 1,418,786 km (0.094 R)
• M4: 2,051,585 km (0.114 R)
• M5: 3,361,913 km (0.097 R)
• M6: 4,573,207 km (0.086 R)
• M7: 5,116,397 km (0.118 R)
• M8: 5,587,480 km (0.074 R)
• M9: 6,270,993 km (0.056 R)
• M10: 7,314,139 km (0.106 R)
• M11: 8,133,038 km (0.118 R)
• M12: 8,738,012 km (0.054 R)
• M13: 9,211,339 km (0.095 R)
• M14: 9,827,234 km (0.108 R)
• M15: 10,914,511 km (0.088 R)
• M16: 11,557,632 km (0.103 R)
• M17: 12,225,886 km (0.082 R)
• M18: 13,639,735 km (0.101 R)
• M19: 14,386,378 km (0.115 R)
• M20: 15,671,873 km (0.117 R)
• M21: 18,535,027 km (0.051 R)
• M22: 23,799,525 km (0.107 R)
• M23: 24,725,386 km (0.088 R)
• M24: 26,077,901 km (0.087 R)
• M25: 26,896,201 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.7

Radius: 5.1

Gravity: 17.25 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 12.34 AU - 15.14 AU

Year: 18510 Days

Day: 21.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,756,935 km

• M1: 64,177 km (0.085 R)
• M2: 1,270,236 km (0.117 R)
• M3: 1,608,327 km (0.085 R)
• M4: 1,842,148 km (0.074 R)
• M5: 2,296,028 km (0.075 R)
• M6: 4,075,794 km (0.078 R)
• M7: 4,576,797 km (0.055 R)
• M8: 4,910,251 km (0.06 R)
• M9: 7,127,591 km (0.079 R)
• M10: 11,919,958 km (0.09 R)
• M11: 13,403,072 km (0.099 R)
• M12: 14,789,245 km (0.109 R)
• M13: 20,302,675 km (0.043 R)
• M14: 21,752,129 km (0.107 R)
• M15: 29,700,413 km (0.034 R)
• M16: 29,929,298 km (0.109 R)
• M17: 46,225,592 km (0.112 R)

Kuiper Belt

Range: 30.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 19,079 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit