🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.74 AU - 0.76 AU

Year: 250 Days

Day: 46.5 Hours

Environment

Temp: 89 °C

Axial Tilt: 0.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.81 AU - 0.83 AU

Year: 286 Days

Day: 27.2 Hours

Environment

Temp: 47 °C

Axial Tilt: 12.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.14 AU - 1.46 AU

Year: 571 Days

Day: 36.1 Hours

Environment

Temp: -51 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,264,082 km

• M1: 434,582 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.3

Radius: 9.5

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.66 AU - 8.06 AU

Year: 6918 Days

Day: 13.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,264,082 km

• M1: 119,080 km (0.102 R)
• M2: 512,074 km (0.079 R)
• M3: 1,016,368 km (0.067 R)
• M4: 1,809,985 km (0.119 R)
• M5: 3,623,410 km (0.112 R)
• M6: 4,115,737 km (0.094 R)
• M7: 4,862,230 km (0.075 R)
• M8: 9,160,775 km (0.117 R)
• M9: 9,661,778 km (0.074 R)
• M10: 13,060,792 km (0.11 R)
• M11: 13,738,919 km (0.07 R)
• M12: 15,724,831 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.3

Radius: 8

Gravity: 15.43 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.96 AU - 8.38 AU

Year: 7392 Days

Day: 7.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,264,082 km

• M1: 99,483 km (0.061 R)
• M2: 357,090 km (0.037 R)
• M3: 665,411 km (0.107 R)
• M4: 1,018,014 km (0.097 R)
• M5: 1,340,247 km (0.087 R)
• M6: 1,835,267 km (0.103 R)
• M7: 2,409,872 km (0.066 R)
• M8: 2,904,891 km (0.069 R)
• M9: 3,324,962 km (0.083 R)
• M10: 4,177,820 km (0.091 R)
• M11: 4,626,464 km (0.09 R)
• M12: 5,106,823 km (0.102 R)
• M13: 5,554,120 km (0.091 R)
• M14: 6,711,858 km (0.064 R)
• M15: 7,855,534 km (0.078 R)
• M16: 8,235,512 km (0.108 R)
• M17: 9,639,040 km (0.059 R)
• M18: 10,830,138 km (0.102 R)
• M19: 11,195,456 km (0.064 R)
• M20: 12,796,602 km (0.071 R)
• M21: 23,310,490 km (0.056 R)
• M22: 23,832,138 km (0.101 R)
• M23: 29,382,967 km (0.093 R)
• M24: 31,234,091 km (0.109 R)
• M25: 32,835,087 km (0.104 R)
• M26: 33,600,579 km (0.095 R)
• M27: 34,602,137 km (0.071 R)
• M28: 37,370,296 km (0.101 R)
• M29: 38,929,854 km (0.119 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 14,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit