🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.37 AU - 1.93 AU

Year: 778 Days

Day: 39.3 Hours

Environment

Temp: -45 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.41 AU - 1.97 AU

Year: 806 Days

Day: 23.1 Hours

Environment

Temp: -52 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.62 AU - 2.54 AU

Year: 1101 Days

Day: 45.7 Hours

Environment

Temp: -79 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.94 AU - 3.2 AU

Year: 1512 Days

Day: 46.3 Hours

Environment

Temp: -93 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.62 AU - 4.14 AU

Year: 2806 Days

Day: 26 Hours

Environment

Temp: -126 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 84,242,824 km

• M1: 111,750 km (0.089 R)
• M2: 576,251 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234

Radius: 14.2

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.09 AU - 8.53 AU

Year: 8794 Days

Day: 6.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,242,824 km

• M1: 177,872 km (0.099 R)
• M2: 732,880 km (0.106 R)
• M3: 1,378,544 km (0.114 R)
• M4: 1,948,961 km (0.065 R)
• M5: 3,057,032 km (0.12 R)
• M6: 3,537,242 km (0.041 R)
• M7: 4,091,502 km (0.092 R)
• M8: 5,264,199 km (0.103 R)
• M9: 6,617,911 km (0.106 R)
• M10: 8,343,971 km (0.115 R)
• M11: 9,332,514 km (0.103 R)
• M12: 10,134,957 km (0.114 R)
• M13: 13,706,307 km (0.095 R)
• M14: 14,410,613 km (0.117 R)
• M15: 15,425,635 km (0.113 R)
• M16: 16,852,499 km (0.104 R)
• M17: 17,347,219 km (0.117 R)
• M18: 18,171,803 km (0.092 R)
• M19: 18,626,431 km (0.064 R)
• M20: 19,626,642 km (0.05 R)
• M21: 22,394,502 km (0.11 R)
• M22: 25,171,936 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.3

Radius: 4.6

Gravity: 33.19 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 15.01 AU - 16.55 AU

Year: 23011 Days

Day: 18.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,242,824 km

• M1: 58,343 km (0.112 R)
• M2: 202,705 km (0.115 R)
• M3: 352,901 km (0.065 R)
• M4: 1,714,242 km (0.093 R)
• M5: 2,841,761 km (0.105 R)
• M6: 3,165,790 km (0.09 R)
• M7: 5,649,713 km (0.103 R)
• M8: 5,816,964 km (0.057 R)
• M9: 6,939,097 km (0.094 R)
• M10: 8,145,006 km (0.114 R)
• M11: 11,690,625 km (0.113 R)
• M12: 12,804,531 km (0.092 R)
• M13: 13,313,463 km (0.093 R)
• M14: 13,987,401 km (0.101 R)
• M15: 19,071,933 km (0.066 R)
• M16: 27,833,282 km (0.081 R)
• M17: 31,741,826 km (0.089 R)
• M18: 32,138,559 km (0.059 R)
• M19: 33,484,342 km (0.09 R)
• M20: 34,448,650 km (0.069 R)
• M21: 37,894,936 km (0.087 R)
• M22: 44,466,321 km (0.091 R)
• M23: 49,954,319 km (0.08 R)
• M24: 55,685,115 km (0.099 R)
• M25: 57,037,031 km (0.114 R)
• M26: 59,006,187 km (0.049 R)
• M27: 60,209,253 km (0.118 R)
• M28: 60,411,360 km (0.114 R)
• M29: 63,079,737 km (0.073 R)
• M30: 66,470,373 km (0.103 R)
• M31: 74,539,233 km (0.055 R)
• M32: 75,709,089 km (0.09 R)
• M33: 80,511,031 km (0.092 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 14,541 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit