🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.47 AU - 0.67 AU

Year: 153 Days

Day: 38.5 Hours

Environment

Temp: 162 °C

Axial Tilt: 38.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.7 AU - 0.78 AU

Year: 227 Days

Day: 29.8 Hours

Environment

Temp: 120 °C

Axial Tilt: 9.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.75 AU - 0.87 AU

Year: 260 Days

Day: 42 Hours

Environment

Temp: 147 °C

Axial Tilt: 11.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,079,616 km

• M1: 312,959 km (0.096 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.9 AU - 1.24 AU

Year: 395 Days

Day: 33.6 Hours

Environment

Temp: 35 °C

Axial Tilt: 2.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.62 AU - 2.4 AU

Year: 1016 Days

Day: 42.8 Hours

Environment

Temp: -52 °C

Axial Tilt: 44.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 13.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.2

Radius: 4.9

Gravity: 40.78 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 10.61 AU - 15.75 AU

Year: 17056 Days

Day: 17.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,079,616 km

• M1: 61,634 km (0.098 R)
• M2: 218,712 km (0.079 R)
• M3: 406,906 km (0.075 R)
• M4: 705,204 km (0.099 R)
• M5: 1,166,115 km (0.106 R)
• M6: 1,462,020 km (0.082 R)
• M7: 1,697,936 km (0.116 R)
• M8: 2,140,446 km (0.113 R)
• M9: 2,311,287 km (0.071 R)
• M10: 4,456,072 km (0.052 R)
• M11: 4,953,185 km (0.074 R)
• M12: 5,177,283 km (0.026 R)
• M13: 5,369,068 km (0.091 R)
• M14: 5,565,789 km (0.1 R)
• M15: 6,099,404 km (0.107 R)
• M16: 6,666,530 km (0.104 R)
• M17: 7,411,976 km (0.072 R)
• M18: 9,177,680 km (0.085 R)
• M19: 13,514,372 km (0.077 R)
• M20: 14,399,393 km (0.078 R)
• M21: 15,480,238 km (0.074 R)
• M22: 17,031,867 km (0.098 R)
• M23: 24,600,023 km (0.096 R)
• M24: 25,582,881 km (0.052 R)
• M25: 27,860,359 km (0.096 R)
• M26: 28,331,593 km (0.108 R)
• M27: 35,085,637 km (0.085 R)
• M28: 36,050,843 km (0.067 R)
• M29: 38,905,918 km (0.112 R)
• M30: 39,494,436 km (0.085 R)
• M31: 40,538,779 km (0.101 R)
• M32: 50,953,035 km (0.078 R)
• M33: 55,834,114 km (0.106 R)
• M34: 57,527,861 km (0.099 R)
• M35: 63,623,974 km (0.109 R)
• M36: 72,772,483 km (0.106 R)
• M37: 75,018,844 km (0.052 R)
• M38: 76,618,494 km (0.1 R)

Kuiper Belt

Range: 30.8 - 52.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 15,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit