🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.89 AU - 1.35 AU

Year: 451 Days

Day: 42.4 Hours

Environment

Temp: -15 °C

Axial Tilt: 49.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 87,422,525 km

• M1: 445,203 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.82 AU - 2.3 AU

Year: 1126 Days

Day: 32.8 Hours

Environment

Temp: -87 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.9

Radius: 8.2

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.24 AU - 5.46 AU

Year: 4067 Days

Day: 9 Hours

Environment

Temp: -155 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,422,525 km

• M1: 102,026 km (0.098 R)
• M2: 1,042,398 km (0.03 R)
• M3: 2,722,681 km (0.099 R)
• M4: 3,458,254 km (0.064 R)
• M5: 4,524,288 km (0.069 R)
• M6: 5,966,861 km (0.076 R)
• M7: 6,441,684 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.7

Radius: 10.8

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.85 AU - 8.69 AU

Year: 8248 Days

Day: 5.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,422,525 km

• M1: 134,638 km (0.1 R)
• M2: 541,245 km (0.099 R)
• M3: 898,186 km (0.067 R)
• M4: 1,626,129 km (0.084 R)
• M5: 2,328,042 km (0.069 R)
• M6: 2,749,310 km (0.111 R)
• M7: 3,477,253 km (0.101 R)
• M8: 4,202,952 km (0.088 R)
• M9: 4,970,688 km (0.118 R)
• M10: 6,179,738 km (0.096 R)
• M11: 6,993,850 km (0.111 R)
• M12: 9,255,770 km (0.118 R)
• M13: 13,504,200 km (0.074 R)
• M14: 15,957,904 km (0.098 R)
• M15: 18,285,797 km (0.061 R)
• M16: 19,815,136 km (0.119 R)
• M17: 20,246,576 km (0.083 R)
• M18: 21,958,873 km (0.094 R)
• M19: 22,811,132 km (0.1 R)
• M20: 24,664,201 km (0.119 R)
• M21: 27,052,980 km (0.054 R)
• M22: 31,500,076 km (0.112 R)
• M23: 32,484,430 km (0.067 R)
• M24: 33,590,556 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.4

Radius: 14

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8.16 AU - 12.2 AU

Year: 12369 Days

Day: 14 Hours

Environment

Temp: -191 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,422,525 km

• M1: 174,132 km (0.12 R)
• M2: 663,467 km (0.115 R)
• M3: 1,626,727 km (0.044 R)
• M4: 2,395,511 km (0.075 R)
• M5: 4,396,681 km (0.099 R)
• M6: 4,873,151 km (0.093 R)
• M7: 6,820,915 km (0.038 R)
• M8: 7,629,043 km (0.078 R)
• M9: 9,632,009 km (0.067 R)
• M10: 10,337,213 km (0.026 R)
• M11: 10,861,853 km (0.056 R)
• M12: 12,021,834 km (0.093 R)
• M13: 12,543,632 km (0.084 R)
• M14: 13,946,112 km (0.11 R)
• M15: 15,114,920 km (0.12 R)
• M16: 16,068,307 km (0.088 R)
• M17: 17,944,863 km (0.112 R)
• M18: 20,944,749 km (0.117 R)
• M19: 23,718,443 km (0.09 R)
• M20: 24,912,234 km (0.099 R)
• M21: 27,419,644 km (0.106 R)
• M22: 33,044,075 km (0.118 R)
• M23: 37,031,307 km (0.086 R)
• M24: 37,520,642 km (0.113 R)
• M25: 38,262,647 km (0.119 R)
• M26: 39,140,488 km (0.077 R)
• M27: 40,160,296 km (0.119 R)
• M28: 42,653,345 km (0.088 R)
• M29: 44,142,891 km (0.055 R)
• M30: 45,526,970 km (0.114 R)
• M31: 46,229,632 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.6

Radius: 5.6

Gravity: 24.64 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 15.22 AU - 15.74 AU

Year: 23193 Days

Day: 21.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,422,525 km

• M1: 70,610 km (0.101 R)
• M2: 364,420 km (0.12 R)
• M3: 622,776 km (0.088 R)
• M4: 3,383,156 km (0.107 R)
• M5: 4,977,271 km (0.047 R)
• M6: 5,872,464 km (0.115 R)
• M7: 6,134,261 km (0.103 R)
• M8: 6,918,303 km (0.112 R)
• M9: 8,966,298 km (0.098 R)
• M10: 9,196,828 km (0.034 R)
• M11: 11,931,926 km (0.054 R)
• M12: 15,658,110 km (0.091 R)
• M13: 22,861,547 km (0.102 R)
• M14: 24,169,780 km (0.106 R)
• M15: 28,641,260 km (0.117 R)
• M16: 29,016,153 km (0.119 R)
• M17: 38,567,079 km (0.119 R)
• M18: 39,949,064 km (0.109 R)
• M19: 53,526,118 km (0.104 R)
• M20: 53,904,750 km (0.108 R)
• M21: 59,395,441 km (0.109 R)
• M22: 66,113,433 km (0.08 R)
• M23: 72,623,483 km (0.119 R)
• M24: 83,296,244 km (0.065 R)
• M25: 85,859,604 km (0.117 R)
• M26: 86,118,707 km (0.065 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: 171 - 15,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit