🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.47 AU - 0.69 AU

Year: 281 Days

Day: 26.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 25,268,080 km

• M1: 31,416 km (0.089 R)
• M2: 155,133 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.49 AU - 0.81 AU

Year: 333 Days

Day: 44.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.4

Radius: 11.4

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.6 AU - 0.78 AU

Year: 364 Days

Day: 5.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,268,080 km

• M1: 141,968 km (0.09 R)
• M2: 603,328 km (0.095 R)
• M3: 987,047 km (0.088 R)
• M4: 1,640,490 km (0.12 R)
• M5: 2,164,831 km (0.06 R)
• M6: 3,166,239 km (0.107 R)
• M7: 3,613,537 km (0.119 R)
• M8: 4,678,973 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.1

Radius: 10.7

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.1 AU - 1.22 AU

Year: 794 Days

Day: 13.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,268,080 km

• M1: 133,142 km (0.107 R)
• M2: 468,391 km (0.116 R)
• M3: 806,632 km (0.077 R)
• M4: 1,491,790 km (0.035 R)
• M5: 1,854,565 km (0.052 R)
• M6: 2,350,332 km (0.103 R)
• M7: 3,054,041 km (0.095 R)
• M8: 3,498,496 km (0.049 R)
• M9: 3,906,000 km (0.064 R)
• M10: 5,225,603 km (0.107 R)
• M11: 5,742,763 km (0.105 R)
• M12: 6,076,516 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.1

Radius: 8.2

Gravity: 13.28 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.45 AU - 1.47 AU

Year: 1122 Days

Day: 6.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 88.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,268,080 km

• M1: 102,026 km (0.1 R)
• M2: 434,582 km (0.048 R)
• M3: 703,858 km (0.079 R)
• M4: 1,159,084 km (0.067 R)
• M5: 1,549,086 km (0.088 R)
• M6: 1,961,677 km (0.103 R)
• M7: 3,008,264 km (0.093 R)
• M8: 3,282,776 km (0.071 R)
• M9: 4,173,781 km (0.071 R)
• M10: 4,591,009 km (0.085 R)
• M11: 4,897,385 km (0.039 R)
• M12: 5,944,122 km (0.106 R)
• M13: 8,027,272 km (0.102 R)
• M14: 8,644,663 km (0.103 R)
• M15: 8,964,952 km (0.102 R)
• M16: 9,353,756 km (0.084 R)

Asteroid Belt

Center: 2.29 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.2

Radius: 9.7

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.42 AU - 3.8 AU

Year: 3487 Days

Day: 6.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,268,080 km

• M1: 120,576 km (0.088 R)
• M2: 684,560 km (0.049 R)
• M3: 1,074,562 km (0.113 R)
• M4: 1,404,724 km (0.062 R)
• M5: 1,803,552 km (0.088 R)
• M6: 2,600,460 km (0.104 R)
• M7: 3,226,527 km (0.118 R)
• M8: 4,014,758 km (0.081 R)
• M9: 4,396,532 km (0.081 R)
• M10: 6,230,751 km (0.028 R)
• M11: 6,805,955 km (0.089 R)
• M12: 7,993,014 km (0.11 R)
• M13: 9,428,855 km (0.044 R)
• M14: 10,228,605 km (0.116 R)
• M15: 11,556,585 km (0.108 R)
• M16: 12,519,247 km (0.07 R)
• M17: 12,947,845 km (0.098 R)
• M18: 14,603,744 km (0.075 R)
• M19: 15,132,273 km (0.058 R)
• M20: 18,946,421 km (0.083 R)
• M21: 19,766,516 km (0.062 R)
• M22: 20,153,077 km (0.109 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 15,026 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit