🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.87 AU - 1.13 AU

Year: 365 Days

Day: 37.7 Hours

Environment

Temp: 44 °C

Axial Tilt: 25.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 62,851,952 km

• M1: 68,366 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.11 AU - 5.01 AU

Year: 2988 Days

Day: 34.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.9

Radius: 10.8

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.65 AU - 6.73 AU

Year: 5625 Days

Day: 12.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,851,952 km

• M1: 143,764 km (0.115 R)
• M2: 662,419 km (0.09 R)
• M3: 1,082,640 km (0.088 R)
• M4: 2,091,977 km (0.096 R)
• M5: 3,505,527 km (0.085 R)
• M6: 4,633,046 km (0.118 R)
• M7: 6,298,968 km (0.108 R)
• M8: 8,472,775 km (0.079 R)
• M9: 9,309,625 km (0.103 R)
• M10: 10,564,452 km (0.088 R)
• M11: 10,936,951 km (0.115 R)
• M12: 12,152,284 km (0.119 R)
• M13: 13,407,410 km (0.059 R)
• M14: 15,581,815 km (0.057 R)
• M15: 16,502,889 km (0.093 R)
• M16: 19,238,735 km (0.075 R)
• M17: 19,795,239 km (0.078 R)
• M18: 22,128,816 km (0.046 R)
• M19: 22,876,955 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.9

Radius: 7.3

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 12.82 AU - 15.66 AU

Year: 19627 Days

Day: 24.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,851,952 km

• M1: 91,255 km (0.096 R)
• M2: 319,990 km (0.036 R)
• M3: 585,376 km (0.04 R)
• M4: 1,107,174 km (0.062 R)
• M5: 3,117,620 km (0.114 R)
• M6: 3,561,925 km (0.055 R)
• M7: 3,842,421 km (0.105 R)
• M8: 6,606,840 km (0.116 R)
• M9: 7,656,868 km (0.086 R)
• M10: 8,563,880 km (0.118 R)
• M11: 10,083,644 km (0.11 R)
• M12: 11,112,579 km (0.073 R)
• M13: 14,127,275 km (0.086 R)
• M14: 14,547,645 km (0.104 R)
• M15: 19,136,560 km (0.074 R)
• M16: 20,529,615 km (0.1 R)
• M17: 23,127,980 km (0.092 R)
• M18: 23,516,336 km (0.088 R)
• M19: 25,626,414 km (0.108 R)
• M20: 30,917,093 km (0.111 R)
• M21: 32,587,353 km (0.116 R)
• M22: 33,321,280 km (0.1 R)
• M23: 33,816,599 km (0.07 R)
• M24: 36,498,141 km (0.111 R)
• M25: 40,851,738 km (0.119 R)
• M26: 42,135,886 km (0.065 R)
• M27: 50,086,265 km (0.115 R)
• M28: 53,730,918 km (0.108 R)
• M29: 58,800,191 km (0.111 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 19,175 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit