🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.07 AU - 1.43 AU

Year: 402 Days

Day: 36.4 Hours

Environment

Temp: 168 °C

Axial Tilt: 139.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.75 AU - 1.97 AU

Year: 730 Days

Day: 42.2 Hours

Environment

Temp: 129 °C

Axial Tilt: 79.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 109,164,258 km

• M1: 109,206 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.3 AU - 5.24 AU

Year: 2540 Days

Day: 20.7 Hours

Environment

Temp: -54 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 109,164,258 km

• M1: 161,865 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.9

Radius: 13.2

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 8.73 AU - 13.97 AU

Year: 11007 Days

Day: 10.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 109,164,258 km

• M1: 164,258 km (0.115 R)
• M2: 1,357,750 km (0.066 R)
• M3: 1,965,118 km (0.056 R)
• M4: 3,500,141 km (0.067 R)
• M5: 4,909,952 km (0.091 R)
• M6: 5,478,872 km (0.065 R)
• M7: 7,540,630 km (0.065 R)
• M8: 9,815,864 km (0.114 R)
• M9: 10,288,743 km (0.102 R)
• M10: 16,108,699 km (0.115 R)
• M11: 18,693,750 km (0.076 R)
• M12: 19,586,251 km (0.116 R)
• M13: 20,168,935 km (0.064 R)
• M14: 20,592,147 km (0.118 R)
• M15: 23,910,826 km (0.117 R)
• M16: 25,945,208 km (0.085 R)
• M17: 30,688,956 km (0.119 R)
• M18: 34,394,495 km (0.102 R)
• M19: 45,521,435 km (0.033 R)
• M20: 48,333,875 km (0.055 R)
• M21: 49,092,785 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 23.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.8

Radius: 4.5

Gravity: 35.55 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 20.82 AU - 26.88 AU

Year: 33528 Days

Day: 20 Hours

Environment

Temp: -177 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 109,164,258 km

• M1: 55,950 km (0.054 R)
• M2: 274,213 km (0.096 R)
• M3: 3,498,795 km (0.09 R)
• M4: 4,048,717 km (0.109 R)
• M5: 4,231,825 km (0.097 R)
• M6: 5,146,466 km (0.068 R)
• M7: 6,090,279 km (0.095 R)
• M8: 8,314,051 km (0.07 R)
• M9: 16,670,289 km (0.104 R)
• M10: 23,388,430 km (0.096 R)
• M11: 31,997,937 km (0.11 R)
• M12: 47,386,921 km (0.082 R)
• M13: 53,443,091 km (0.078 R)
• M14: 55,085,676 km (0.052 R)
• M15: 70,427,835 km (0.05 R)
• M16: 75,941,414 km (0.114 R)
• M17: 90,679,497 km (0.086 R)
• M18: 97,192,540 km (0.118 R)
• M19: 105,923,670 km (0.045 R)

Kuiper Belt

Range: 38.1 - 55.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 16,254 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit