🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.53 AU - 0.83 AU

Year: 201 Days

Day: 23.2 Hours

Environment

Temp: 156 °C

Axial Tilt: 33.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.89 AU - 3.01 AU

Year: 1815 Days

Day: 27.1 Hours

Environment

Temp: -97 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.9

Radius: 13.2

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.89 AU - 12.11 AU

Year: 12186 Days

Day: 13.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 92,746,478 km

• M1: 167,400 km (0.075 R)
• M2: 1,407,267 km (0.065 R)
• M3: 2,089,134 km (0.117 R)
• M4: 3,078,575 km (0.057 R)
• M5: 3,945,345 km (0.074 R)
• M6: 6,240,026 km (0.085 R)
• M7: 7,100,962 km (0.039 R)
• M8: 13,612,509 km (0.094 R)
• M9: 15,346,647 km (0.09 R)
• M10: 18,096,256 km (0.076 R)
• M11: 18,584,543 km (0.082 R)
• M12: 22,908,072 km (0.092 R)
• M13: 27,538,126 km (0.082 R)
• M14: 35,598,908 km (0.105 R)
• M15: 37,406,948 km (0.098 R)
• M16: 38,869,865 km (0.032 R)
• M17: 39,683,678 km (0.089 R)
• M18: 40,094,922 km (0.071 R)
• M19: 40,925,789 km (0.108 R)
• M20: 42,193,631 km (0.082 R)
• M21: 43,197,732 km (0.096 R)
• M22: 44,512,098 km (0.109 R)
• M23: 58,621,870 km (0.108 R)
• M24: 59,155,486 km (0.091 R)
• M25: 59,871,910 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.7

Radius: 7.9

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 14.33 AU - 19.19 AU

Year: 24574 Days

Day: 18.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 92,746,478 km

• M1: 98,286 km (0.118 R)
• M2: 404,662 km (0.098 R)
• M3: 1,270,236 km (0.083 R)
• M4: 2,175,901 km (0.074 R)
• M5: 3,581,373 km (0.081 R)
• M6: 3,935,920 km (0.052 R)
• M7: 4,208,338 km (0.051 R)
• M8: 6,390,671 km (0.105 R)
• M9: 7,464,485 km (0.1 R)
• M10: 9,965,013 km (0.043 R)
• M11: 11,132,176 km (0.063 R)
• M12: 12,606,313 km (0.042 R)
• M13: 14,525,504 km (0.09 R)
• M14: 14,931,513 km (0.117 R)
• M15: 18,551,632 km (0.09 R)
• M16: 18,837,513 km (0.103 R)
• M17: 21,127,707 km (0.098 R)
• M18: 22,717,484 km (0.114 R)
• M19: 25,659,326 km (0.095 R)
• M20: 26,252,930 km (0.099 R)
• M21: 31,604,944 km (0.113 R)
• M22: 32,286,960 km (0.089 R)
• M23: 39,655,104 km (0.105 R)
• M24: 41,090,496 km (0.074 R)
• M25: 43,391,760 km (0.109 R)
• M26: 45,087,153 km (0.04 R)
• M27: 50,437,670 km (0.093 R)
• M28: 52,500,924 km (0.095 R)
• M29: 66,296,989 km (0.101 R)
• M30: 67,413,887 km (0.111 R)
• M31: 67,864,176 km (0.117 R)
• M32: 72,477,775 km (0.077 R)
• M33: 80,540,202 km (0.096 R)
• M34: 91,088,797 km (0.087 R)

Kuiper Belt

Range: 30.6 - 50.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 12,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit