🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.53 AU - 0.55 AU

Year: 260 Days

Day: 27.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.54 AU - 0.8 AU

Year: 360 Days

Day: 25.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.5

Radius: 14.6

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.57 AU - 0.81 AU

Year: 376 Days

Day: 10.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,246,376 km

• M1: 181,612 km (0.082 R)
• M2: 753,674 km (0.119 R)
• M3: 1,330,374 km (0.111 R)
• M4: 1,935,647 km (0.083 R)
• M5: 3,456,010 km (0.116 R)
• M6: 4,052,606 km (0.097 R)
• M7: 4,635,589 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.5

Radius: 12.5

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.86 AU - 1.14 AU

Year: 656 Days

Day: 8.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,246,376 km

• M1: 155,432 km (0.079 R)
• M2: 622,477 km (0.107 R)
• M3: 1,019,509 km (0.071 R)
• M4: 1,594,713 km (0.074 R)
• M5: 2,158,398 km (0.099 R)
• M6: 2,734,499 km (0.102 R)
• M7: 3,229,519 km (0.067 R)
• M8: 4,029,119 km (0.114 R)
• M9: 4,845,026 km (0.051 R)
• M10: 5,368,619 km (0.063 R)
• M11: 5,911,659 km (0.059 R)

Asteroid Belt

Center: 2.13 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.3

Radius: 12.4

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.77 AU - 3.75 AU

Year: 3861 Days

Day: 14.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,246,376 km

• M1: 154,235 km (0.114 R)
• M2: 787,184 km (0.11 R)
• M3: 1,176,438 km (0.075 R)
• M4: 1,767,648 km (0.093 R)
• M5: 2,932,268 km (0.115 R)
• M6: 3,369,243 km (0.094 R)
• M7: 4,138,775 km (0.102 R)
• M8: 5,218,123 km (0.08 R)
• M9: 5,945,468 km (0.091 R)
• M10: 6,592,629 km (0.095 R)
• M11: 7,570,550 km (0.097 R)
• M12: 9,474,332 km (0.101 R)
• M13: 10,517,628 km (0.101 R)
• M14: 11,212,809 km (0.077 R)
• M15: 12,604,518 km (0.094 R)
• M16: 13,108,513 km (0.059 R)
• M17: 13,530,978 km (0.071 R)
• M18: 14,402,984 km (0.086 R)
• M19: 15,676,062 km (0.111 R)
• M20: 17,413,342 km (0.091 R)
• M21: 19,095,420 km (0.086 R)
• M22: 21,010,871 km (0.108 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 13,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit