🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.55 AU - 0.61 AU

Year: 202 Days

Day: 33 Hours

Environment

Temp: 7 °C

Axial Tilt: 32.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 35,671,185 km

• M1: 123,119 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.47 AU - 0.73 AU

Year: 212 Days

Day: 39.9 Hours

Environment

Temp: -9 °C

Axial Tilt: 16 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 35,671,185 km

• M1: 140,024 km (0.116 R)

Asteroid Belt

Center: 1.79 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.1

Radius: 14.5

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.72 AU - 3.22 AU

Year: 2337 Days

Day: 14.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,671,185 km

• M1: 182,210 km (0.098 R)
• M2: 821,442 km (0.11 R)
• M3: 1,489,097 km (0.099 R)
• M4: 1,967,810 km (0.104 R)
• M5: 2,452,807 km (0.115 R)
• M6: 3,368,196 km (0.108 R)
• M7: 3,993,216 km (0.092 R)
• M8: 5,550,829 km (0.059 R)
• M9: 6,029,542 km (0.07 R)
• M10: 6,481,328 km (0.043 R)
• M11: 7,304,714 km (0.104 R)
• M12: 8,196,916 km (0.086 R)
• M13: 8,719,461 km (0.05 R)
• M14: 9,369,165 km (0.108 R)
• M15: 10,727,065 km (0.05 R)
• M16: 12,423,355 km (0.061 R)
• M17: 14,153,006 km (0.084 R)
• M18: 14,859,407 km (0.099 R)
• M19: 17,120,429 km (0.032 R)
• M20: 18,140,836 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.1

Radius: 6.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 8.87 AU - 14.39 AU

Year: 18108 Days

Day: 17.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,671,185 km

• M1: 82,279 km (0.08 R)
• M2: 526,435 km (0.108 R)
• M3: 1,023,848 km (0.07 R)
• M4: 2,242,322 km (0.119 R)
• M5: 3,176,112 km (0.097 R)
• M6: 3,390,486 km (0.039 R)
• M7: 3,993,366 km (0.088 R)
• M8: 4,477,614 km (0.071 R)
• M9: 5,380,437 km (0.12 R)
• M10: 6,501,075 km (0.044 R)
• M11: 6,847,843 km (0.106 R)
• M12: 10,037,269 km (0.093 R)
• M13: 11,076,077 km (0.119 R)
• M14: 13,700,472 km (0.093 R)
• M15: 16,520,392 km (0.104 R)
• M16: 18,786,201 km (0.108 R)
• M17: 19,419,000 km (0.039 R)
• M18: 22,326,136 km (0.061 R)
• M19: 35,564,500 km (0.07 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 20,136 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit