🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.37 AU - 1.73 AU

Year: 685 Days

Day: 12.9 Hours

Environment

Temp: -23 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.22 AU - 2.02 AU

Year: 731 Days

Day: 15.1 Hours

Environment

Temp: -38 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,678,979 km

• M1: 404,213 km (0.057 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.3 AU - 3.1 AU

Year: 1574 Days

Day: 46.7 Hours

Environment

Temp: -94 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.32 AU - 3.26 AU

Year: 1653 Days

Day: 15.1 Hours

Environment

Temp: -85 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.17 AU - 4.91 AU

Year: 2881 Days

Day: 22.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,678,979 km

• M1: 506,688 km (0.086 R)

Asteroid Belt

Center: 4.74 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.1

Radius: 12.6

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.82 AU - 6.06 AU

Year: 4501 Days

Day: 13.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 98,678,979 km

• M1: 156,629 km (0.109 R)
• M2: 777,610 km (0.077 R)
• M3: 1,263,653 km (0.113 R)
• M4: 2,153,461 km (0.103 R)
• M5: 3,114,628 km (0.088 R)
• M6: 3,596,632 km (0.103 R)
• M7: 4,649,053 km (0.114 R)
• M8: 6,402,490 km (0.057 R)
• M9: 7,271,504 km (0.032 R)
• M10: 8,784,985 km (0.1 R)
• M11: 12,631,595 km (0.094 R)
• M12: 13,865,479 km (0.087 R)
• M13: 14,579,808 km (0.093 R)
• M14: 15,744,877 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.5

Radius: 12.2

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.24 AU - 9.14 AU

Year: 7565 Days

Day: 13.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 98,678,979 km

• M1: 161,566 km (0.114 R)
• M2: 661,073 km (0.094 R)
• M3: 1,181,075 km (0.113 R)
• M4: 1,660,237 km (0.111 R)
• M5: 2,066,994 km (0.075 R)
• M6: 3,354,583 km (0.106 R)
• M7: 4,066,669 km (0.096 R)
• M8: 4,701,263 km (0.105 R)
• M9: 5,400,782 km (0.051 R)
• M10: 6,781,870 km (0.101 R)
• M11: 7,635,625 km (0.054 R)
• M12: 9,698,430 km (0.108 R)
• M13: 10,083,345 km (0.082 R)
• M14: 14,705,620 km (0.095 R)
• M15: 29,823,832 km (0.104 R)
• M16: 36,201,039 km (0.104 R)
• M17: 37,956,271 km (0.071 R)
• M18: 39,523,009 km (0.063 R)
• M19: 41,257,896 km (0.046 R)
• M20: 42,527,832 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.8

Radius: 5.2

Gravity: 35.5 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 13 AU - 21.08 AU

Year: 24954 Days

Day: 20.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 98,678,979 km

• M1: 65,524 km (0.084 R)
• M2: 602,281 km (0.115 R)
• M3: 889,659 km (0.118 R)
• M4: 1,719,179 km (0.082 R)
• M5: 1,941,780 km (0.114 R)
• M6: 3,146,941 km (0.117 R)
• M7: 5,914,352 km (0.091 R)
• M8: 8,696,274 km (0.053 R)
• M9: 10,633,417 km (0.117 R)
• M10: 11,737,748 km (0.118 R)
• M11: 13,069,169 km (0.11 R)
• M12: 13,534,419 km (0.055 R)
• M13: 14,746,012 km (0.104 R)
• M14: 17,569,073 km (0.112 R)
• M15: 17,850,916 km (0.069 R)
• M16: 18,135,750 km (0.117 R)
• M17: 18,714,544 km (0.108 R)
• M18: 19,405,237 km (0.11 R)
• M19: 20,317,934 km (0.079 R)
• M20: 20,628,499 km (0.076 R)
• M21: 21,152,989 km (0.085 R)
• M22: 21,794,166 km (0.109 R)
• M23: 26,897,398 km (0.12 R)
• M24: 27,776,435 km (0.101 R)
• M25: 34,034,563 km (0.081 R)
• M26: 42,336,796 km (0.107 R)
• M27: 45,085,357 km (0.107 R)
• M28: 46,503,246 km (0.067 R)
• M29: 47,768,096 km (0.119 R)
• M30: 59,563,739 km (0.101 R)
• M31: 60,626,183 km (0.077 R)
• M32: 61,701,193 km (0.117 R)
• M33: 63,227,540 km (0.098 R)
• M34: 63,889,361 km (0.092 R)
• M35: 65,226,616 km (0.096 R)
• M36: 66,810,409 km (0.112 R)
• M37: 73,401,841 km (0.058 R)
• M38: 84,081,184 km (0.111 R)
• M39: 85,686,668 km (0.086 R)
• M40: 92,879,633 km (0.059 R)

Kuiper Belt

Range: 30.9 - 54.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 13,088 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit