🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.27 AU - 1.57 AU

Year: 612 Days

Day: 19.6 Hours

Environment

Temp: -12 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.19 AU - 4.95 AU

Year: 3533 Days

Day: 33.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.11 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.7

Radius: 11.2

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.42 AU - 11.86 AU

Year: 10824 Days

Day: 12.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,076,404 km

• M1: 139,425 km (0.076 R)
• M2: 1,143,676 km (0.113 R)
• M3: 2,803,913 km (0.065 R)
• M4: 3,812,502 km (0.096 R)
• M5: 5,758,321 km (0.092 R)
• M6: 6,202,477 km (0.1 R)
• M7: 7,124,150 km (0.061 R)
• M8: 7,599,422 km (0.115 R)
• M9: 8,213,372 km (0.105 R)
• M10: 21,082,230 km (0.097 R)
• M11: 23,154,609 km (0.081 R)
• M12: 23,633,023 km (0.099 R)
• M13: 31,234,988 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.8

Radius: 6.8

Gravity: 12.84 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 12.38 AU - 13.26 AU

Year: 16601 Days

Day: 22 Hours

Environment

Temp: -175 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,076,404 km

• M1: 87,814 km (0.109 R)
• M2: 388,057 km (0.062 R)
• M3: 668,702 km (0.056 R)
• M4: 1,262,008 km (0.09 R)
• M5: 2,065,647 km (0.094 R)
• M6: 2,511,898 km (0.079 R)
• M7: 2,781,473 km (0.119 R)
• M8: 3,679,808 km (0.094 R)
• M9: 4,058,441 km (0.077 R)
• M10: 4,398,776 km (0.096 R)
• M11: 4,625,267 km (0.116 R)
• M12: 5,877,102 km (0.106 R)
• M13: 8,424,155 km (0.084 R)
• M14: 9,030,475 km (0.071 R)
• M15: 10,615,465 km (0.075 R)
• M16: 11,626,298 km (0.035 R)
• M17: 14,396,252 km (0.093 R)
• M18: 15,933,669 km (0.078 R)
• M19: 17,658,383 km (0.117 R)
• M20: 18,232,240 km (0.098 R)
• M21: 19,159,149 km (0.044 R)
• M22: 20,833,448 km (0.079 R)
• M23: 22,603,041 km (0.092 R)
• M24: 25,493,572 km (0.086 R)
• M25: 27,954,307 km (0.06 R)
• M26: 33,715,919 km (0.095 R)
• M27: 35,886,435 km (0.104 R)
• M28: 38,831,418 km (0.115 R)
• M29: 40,362,553 km (0.084 R)
• M30: 43,101,241 km (0.075 R)
• M31: 45,196,808 km (0.099 R)
• M32: 54,603,821 km (0.107 R)
• M33: 55,995,680 km (0.07 R)
• M34: 60,682,731 km (0.037 R)

Kuiper Belt

Range: 30.3 - 45.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 12,034 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit