🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.66 AU - 0.96 AU

Year: 281 Days

Day: 36.5 Hours

Environment

Temp: 27 °C

Axial Tilt: 10 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.12 AU - 1.74 AU

Year: 658 Days

Day: 40 Hours

Environment

Temp: -58 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,462,794 km

• M1: 103,372 km (0.06 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.4 AU - 1.96 AU

Year: 838 Days

Day: 33 Hours

Environment

Temp: -67 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,462,794 km

• M1: 38,297 km (0.092 R)
• M2: 601,383 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.4

Radius: 9.5

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.83 AU - 6.39 AU

Year: 4447 Days

Day: 12.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 59.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 38,462,794 km

• M1: 119,678 km (0.098 R)
• M2: 457,171 km (0.103 R)
• M3: 797,357 km (0.107 R)
• M4: 1,524,701 km (0.097 R)
• M5: 2,163,634 km (0.089 R)
• M6: 2,577,871 km (0.047 R)
• M7: 3,231,164 km (0.032 R)
• M8: 4,568,569 km (0.112 R)
• M9: 5,174,590 km (0.081 R)
• M10: 5,890,715 km (0.093 R)
• M11: 6,702,882 km (0.069 R)
• M12: 8,474,719 km (0.116 R)
• M13: 9,749,293 km (0.095 R)
• M14: 10,753,544 km (0.106 R)
• M15: 11,191,716 km (0.044 R)
• M16: 11,505,572 km (0.115 R)
• M17: 12,010,615 km (0.038 R)
• M18: 12,434,725 km (0.11 R)
• M19: 14,231,993 km (0.033 R)
• M20: 14,975,644 km (0.059 R)
• M21: 15,522,425 km (0.091 R)
• M22: 16,947,943 km (0.037 R)
• M23: 17,844,034 km (0.078 R)
• M24: 19,860,763 km (0.034 R)
• M25: 21,127,707 km (0.094 R)
• M26: 22,875,758 km (0.101 R)
• M27: 23,236,588 km (0.097 R)
• M28: 24,869,599 km (0.04 R)
• M29: 25,327,967 km (0.104 R)
• M30: 26,498,420 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.7

Radius: 15

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.2 AU - 7.28 AU

Year: 6001 Days

Day: 11 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,462,794 km

• M1: 186,549 km (0.098 R)
• M2: 658,380 km (0.095 R)
• M3: 1,625,530 km (0.106 R)
• M4: 2,654,614 km (0.103 R)
• M5: 3,145,594 km (0.086 R)
• M6: 4,366,911 km (0.046 R)
• M7: 5,414,695 km (0.111 R)
• M8: 6,080,705 km (0.06 R)
• M9: 6,624,493 km (0.054 R)
• M10: 7,616,177 km (0.105 R)
• M11: 8,789,324 km (0.073 R)
• M12: 9,264,746 km (0.09 R)
• M13: 10,267,500 km (0.108 R)
• M14: 11,853,986 km (0.091 R)
• M15: 13,147,259 km (0.103 R)
• M16: 15,076,623 km (0.115 R)
• M17: 16,922,661 km (0.12 R)
• M18: 19,637,413 km (0.096 R)
• M19: 23,116,910 km (0.118 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 13,292 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit