🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.63 AU - 0.93 AU

Year: 254 Days

Day: 32.5 Hours

Environment

Temp: 92 °C

Axial Tilt: 17.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.83 AU - 1.11 AU

Year: 352 Days

Day: 36 Hours

Environment

Temp: 26 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.93 AU - 1.45 AU

Year: 479 Days

Day: 47.4 Hours

Environment

Temp: 15 °C

Axial Tilt: 36.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.47 AU - 3.25 AU

Year: 1785 Days

Day: 45.8 Hours

Environment

Temp: -99 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.64 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 12.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.7

Radius: 6.7

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 11.27 AU - 13.55 AU

Year: 16130 Days

Day: 20.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,957,770 km

• M1: 85,570 km (0.065 R)
• M2: 404,363 km (0.119 R)
• M3: 907,311 km (0.115 R)
• M4: 1,260,661 km (0.078 R)
• M5: 1,742,815 km (0.096 R)
• M6: 2,259,676 km (0.051 R)
• M7: 2,580,563 km (0.088 R)
• M8: 3,661,258 km (0.117 R)
• M9: 4,851,010 km (0.065 R)
• M10: 6,409,371 km (0.072 R)
• M11: 6,914,862 km (0.028 R)
• M12: 8,081,576 km (0.082 R)
• M13: 9,804,644 km (0.118 R)
• M14: 11,808,658 km (0.097 R)
• M15: 12,932,736 km (0.085 R)
• M16: 13,629,563 km (0.097 R)
• M17: 18,545,798 km (0.09 R)
• M18: 21,286,431 km (0.09 R)
• M19: 21,656,237 km (0.115 R)
• M20: 23,412,815 km (0.11 R)
• M21: 26,264,898 km (0.117 R)
• M22: 27,206,916 km (0.082 R)
• M23: 27,730,209 km (0.109 R)
• M24: 32,257,639 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.8

Radius: 4.9

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 11.1 AU - 16.42 AU

Year: 18832 Days

Day: 16.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,957,770 km

• M1: 83,326 km (0.064 R)
• M2: 327,470 km (0.095 R)
• M3: 501,003 km (0.089 R)
• M4: 703,708 km (0.116 R)
• M5: 1,316,162 km (0.07 R)
• M6: 1,899,295 km (0.109 R)
• M7: 2,458,192 km (0.118 R)
• M8: 4,820,343 km (0.057 R)
• M9: 8,974,077 km (0.089 R)
• M10: 9,405,218 km (0.112 R)
• M11: 10,154,404 km (0.12 R)
• M12: 11,941,500 km (0.077 R)
• M13: 12,939,169 km (0.074 R)
• M14: 14,767,255 km (0.106 R)
• M15: 25,473,525 km (0.051 R)
• M16: 27,218,884 km (0.034 R)
• M17: 28,222,087 km (0.107 R)
• M18: 35,825,698 km (0.102 R)
• M19: 36,665,690 km (0.039 R)
• M20: 37,765,085 km (0.077 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 16,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit