🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.53 AU - 0.71 AU

Year: 320 Days

Day: 22 Hours

Environment

Temp: -129 °C

Axial Tilt: 49.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.3

Radius: 8.1

Gravity: 12.53 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.64 AU - 0.86 AU

Year: 426 Days

Day: 13.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,982,949 km

• M1: 100,829 km (0.074 R)
• M2: 353,949 km (0.078 R)
• M3: 892,800 km (0.099 R)
• M4: 1,186,012 km (0.119 R)
• M5: 1,579,155 km (0.077 R)
• M6: 1,834,519 km (0.115 R)
• M7: 2,170,964 km (0.095 R)
• M8: 2,680,046 km (0.059 R)
• M9: 2,990,910 km (0.105 R)
• M10: 3,948,935 km (0.05 R)
• M11: 4,309,915 km (0.066 R)
• M12: 4,784,290 km (0.04 R)
• M13: 5,114,302 km (0.067 R)
• M14: 5,543,798 km (0.114 R)
• M15: 5,925,871 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.2

Radius: 13.1

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.79 AU - 5.89 AU

Year: 9258 Days

Day: 13 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,982,949 km

• M1: 162,912 km (0.09 R)
• M2: 684,111 km (0.101 R)
• M3: 1,321,099 km (0.088 R)
• M4: 2,126,683 km (0.052 R)
• M5: 2,661,197 km (0.097 R)
• M6: 3,285,020 km (0.12 R)
• M7: 3,899,568 km (0.054 R)
• M8: 4,560,940 km (0.059 R)
• M9: 6,771,248 km (0.086 R)
• M10: 7,604,658 km (0.104 R)
• M11: 8,067,963 km (0.089 R)
• M12: 9,717,578 km (0.109 R)
• M13: 11,582,166 km (0.094 R)
• M14: 12,892,045 km (0.094 R)
• M15: 13,491,484 km (0.065 R)
• M16: 16,214,464 km (0.117 R)
• M17: 17,198,370 km (0.111 R)
• M18: 17,632,054 km (0.1 R)
• M19: 19,753,501 km (0.062 R)
• M20: 22,811,132 km (0.074 R)
• M21: 23,423,287 km (0.077 R)
• M22: 24,771,762 km (0.093 R)
• M23: 25,605,321 km (0.101 R)
• M24: 29,230,227 km (0.074 R)
• M25: 30,265,744 km (0.091 R)
• M26: 32,191,218 km (0.087 R)
• M27: 46,320,737 km (0.091 R)
• M28: 47,161,626 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.7

Radius: 3

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.49 AU - 8.03 AU

Year: 11530 Days

Day: 23 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,982,949 km

• M1: 112,498 km (0.101 R)
• M2: 448,046 km (0.051 R)
• M3: 5,036,960 km (0.08 R)
• M4: 6,384,538 km (0.11 R)
• M5: 7,170,974 km (0.081 R)
• M6: 9,877,050 km (0.068 R)
• M7: 12,478,108 km (0.104 R)
• M8: 13,011,873 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.2

Radius: 7

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 10.14 AU - 12 AU

Year: 24162 Days

Day: 23.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,982,949 km

• M1: 87,365 km (0.107 R)
• M2: 439,519 km (0.117 R)
• M3: 1,346,082 km (0.118 R)
• M4: 2,099,307 km (0.087 R)
• M5: 2,763,073 km (0.059 R)
• M6: 4,336,393 km (0.095 R)
• M7: 4,937,777 km (0.061 R)
• M8: 6,223,720 km (0.097 R)
• M9: 6,813,136 km (0.071 R)
• M10: 9,065,631 km (0.091 R)
• M11: 10,330,780 km (0.059 R)
• M12: 15,271,100 km (0.098 R)
• M13: 17,541,398 km (0.111 R)
• M14: 17,954,288 km (0.117 R)
• M15: 23,229,557 km (0.097 R)
• M16: 23,727,569 km (0.111 R)
• M17: 24,539,287 km (0.09 R)
• M18: 27,415,306 km (0.114 R)
• M19: 29,106,360 km (0.043 R)
• M20: 29,685,154 km (0.025 R)
• M21: 34,724,508 km (0.117 R)
• M22: 35,244,660 km (0.105 R)
• M23: 45,986,236 km (0.079 R)
• M24: 46,456,272 km (0.086 R)
• M25: 49,016,939 km (0.112 R)
• M26: 50,998,064 km (0.096 R)
• M27: 51,670,207 km (0.034 R)
• M28: 54,243,141 km (0.039 R)
• M29: 56,183,425 km (0.093 R)
• M30: 60,952,456 km (0.111 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: 405 - 13,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit