🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.62 AU - 0.66 AU

Year: 219 Days

Day: 15.1 Hours

Environment

Temp: 15 °C

Axial Tilt: 10.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.42 AU - 3.04 AU

Year: 1928 Days

Day: 12.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,038,162 km

• M1: 468,391 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.9

Radius: 12.4

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.49 AU - 6.51 AU

Year: 5514 Days

Day: 5.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,038,162 km

• M1: 154,235 km (0.035 R)
• M2: 699,071 km (0.113 R)
• M3: 1,145,620 km (0.082 R)
• M4: 1,704,817 km (0.041 R)
• M5: 2,289,595 km (0.099 R)
• M6: 5,687,561 km (0.104 R)
• M7: 6,423,284 km (0.092 R)
• M8: 6,921,445 km (0.11 R)
• M9: 10,473,197 km (0.092 R)
• M10: 15,643,898 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.6

Radius: 14

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 8.35 AU - 9.37 AU

Year: 11274 Days

Day: 5.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,038,162 km

• M1: 174,132 km (0.073 R)
• M2: 654,491 km (0.107 R)
• M3: 2,758,734 km (0.117 R)
• M4: 4,592,056 km (0.05 R)
• M5: 5,222,312 km (0.1 R)
• M6: 8,431,934 km (0.084 R)
• M7: 11,545,664 km (0.103 R)
• M8: 13,897,792 km (0.098 R)
• M9: 15,495,198 km (0.054 R)
• M10: 17,286,034 km (0.104 R)
• M11: 20,767,476 km (0.081 R)
• M12: 21,447,248 km (0.107 R)
• M13: 31,244,712 km (0.113 R)
• M14: 33,277,747 km (0.101 R)
• M15: 38,744,203 km (0.085 R)
• M16: 39,257,324 km (0.118 R)
• M17: 45,205,036 km (0.098 R)
• M18: 48,988,067 km (0.06 R)
• M19: 51,727,653 km (0.115 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 17,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit