🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.65 AU - 0.75 AU

Year: 223 Days

Day: 26.8 Hours

Environment

Temp: 166 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 53,229,614 km

• M1: 42,635 km (0.117 R)
• M2: 78,240 km (0.034 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.78 AU - 0.98 AU

Year: 314 Days

Day: 31.6 Hours

Environment

Temp: 24 °C

Axial Tilt: 1.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.06 AU - 3.32 AU

Year: 1680 Days

Day: 46.3 Hours

Environment

Temp: -110 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,229,614 km

• M1: 254,167 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.5

Radius: 12.7

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.6 AU - 8.68 AU

Year: 7265 Days

Day: 8.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,229,614 km

• M1: 160,519 km (0.099 R)
• M2: 678,426 km (0.092 R)
• M3: 1,642,285 km (0.116 R)
• M4: 2,685,282 km (0.115 R)
• M5: 4,024,482 km (0.074 R)
• M6: 4,961,413 km (0.05 R)
• M7: 5,929,611 km (0.07 R)
• M8: 7,613,185 km (0.094 R)
• M9: 8,104,913 km (0.091 R)
• M10: 10,890,127 km (0.08 R)
• M11: 11,772,305 km (0.117 R)
• M12: 13,822,993 km (0.108 R)
• M13: 17,753,677 km (0.056 R)
• M14: 19,515,940 km (0.104 R)
• M15: 21,071,309 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.1

Radius: 5.3

Gravity: 13.5 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 11.94 AU - 11.96 AU

Year: 15731 Days

Day: 21.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,229,614 km

• M1: 69,264 km (0.119 R)
• M2: 341,233 km (0.057 R)
• M3: 565,330 km (0.099 R)
• M4: 838,197 km (0.08 R)
• M5: 1,349,223 km (0.069 R)
• M6: 1,665,024 km (0.093 R)
• M7: 1,874,162 km (0.044 R)
• M8: 2,064,600 km (0.102 R)
• M9: 2,505,166 km (0.11 R)
• M10: 2,802,716 km (0.12 R)
• M11: 3,123,454 km (0.081 R)
• M12: 3,703,295 km (0.078 R)
• M13: 4,322,331 km (0.072 R)
• M14: 4,878,237 km (0.111 R)
• M15: 5,908,667 km (0.105 R)
• M16: 6,093,570 km (0.075 R)
• M17: 7,802,875 km (0.085 R)
• M18: 8,298,493 km (0.113 R)
• M19: 8,911,096 km (0.09 R)
• M20: 9,302,594 km (0.112 R)
• M21: 10,654,809 km (0.119 R)
• M22: 10,873,970 km (0.11 R)
• M23: 12,311,905 km (0.052 R)
• M24: 17,682,917 km (0.08 R)
• M25: 29,271,516 km (0.116 R)
• M26: 29,593,750 km (0.097 R)
• M27: 32,142,299 km (0.107 R)
• M28: 33,645,608 km (0.046 R)
• M29: 35,681,486 km (0.108 R)
• M30: 38,693,190 km (0.098 R)
• M31: 45,503,334 km (0.1 R)
• M32: 47,396,345 km (0.075 R)
• M33: 48,138,201 km (0.084 R)
• M34: 52,911,271 km (0.078 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 16,068 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit