🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.57 AU - 0.75 AU

Year: 231 Days

Day: 46.2 Hours

Environment

Temp: 7 °C

Axial Tilt: 41.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 60,457,040 km

• M1: 43,683 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.92 AU - 0.96 AU

Year: 392 Days

Day: 41.7 Hours

Environment

Temp: -48 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.64 AU - 1.86 AU

Year: 997 Days

Day: 35.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.3 AU - 2.46 AU

Year: 1580 Days

Day: 29.1 Hours

Environment

Temp: -118 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 585.6

Radius: 3.9

Gravity: 38.5 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 8.44 AU - 13.2 AU

Year: 15320 Days

Day: 17.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,457,040 km

• M1: 48,470 km (0.107 R)
• M2: 193,879 km (0.062 R)
• M3: 345,272 km (0.115 R)
• M4: 553,811 km (0.086 R)
• M5: 893,997 km (0.096 R)
• M6: 1,712,297 km (0.096 R)
• M7: 2,507,560 km (0.109 R)
• M8: 3,108,345 km (0.076 R)
• M9: 3,771,512 km (0.114 R)
• M10: 4,002,341 km (0.108 R)
• M11: 5,264,798 km (0.08 R)
• M12: 8,203,947 km (0.061 R)
• M13: 8,396,330 km (0.082 R)
• M14: 9,773,678 km (0.067 R)
• M15: 10,943,982 km (0.067 R)
• M16: 11,957,208 km (0.114 R)
• M17: 12,392,239 km (0.086 R)
• M18: 12,966,695 km (0.05 R)
• M19: 14,938,694 km (0.117 R)
• M20: 16,561,681 km (0.103 R)
• M21: 18,054,967 km (0.063 R)
• M22: 18,298,662 km (0.096 R)
• M23: 20,768,672 km (0.116 R)
• M24: 21,944,661 km (0.119 R)
• M25: 22,502,063 km (0.085 R)
• M26: 26,671,206 km (0.082 R)
• M27: 26,987,306 km (0.113 R)
• M28: 30,516,021 km (0.108 R)
• M29: 32,390,482 km (0.071 R)
• M30: 37,277,994 km (0.094 R)
• M31: 38,071,013 km (0.079 R)
• M32: 38,875,251 km (0.078 R)
• M33: 40,378,859 km (0.074 R)
• M34: 43,501,714 km (0.042 R)
• M35: 44,233,248 km (0.068 R)
• M36: 52,333,524 km (0.091 R)
• M37: 58,840,582 km (0.096 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 15,296 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit