🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.63 AU - 0.87 AU

Year: 284 Days

Day: 43.5 Hours

Environment

Temp: -36 °C

Axial Tilt: 152.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.71 AU - 0.95 AU

Year: 330 Days

Day: 45.3 Hours

Environment

Temp: -37 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1 AU - 1.22 AU

Year: 511 Days

Day: 21.2 Hours

Environment

Temp: -66 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,703,111 km

• M1: 404,363 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.29 AU - 2.11 AU

Year: 968 Days

Day: 37.4 Hours

Environment

Temp: -104 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,703,111 km

• M1: 776,413 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.8

Radius: 7.4

Gravity: 15.23 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.09 AU - 10.79 AU

Year: 14726 Days

Day: 15.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 170.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,703,111 km

• M1: 95,593 km (0.074 R)
• M2: 338,390 km (0.108 R)
• M3: 575,054 km (0.049 R)
• M4: 1,825,094 km (0.059 R)
• M5: 2,101,102 km (0.097 R)
• M6: 2,784,914 km (0.041 R)
• M7: 3,051,647 km (0.084 R)
• M8: 4,107,359 km (0.058 R)
• M9: 5,315,063 km (0.083 R)
• M10: 5,727,205 km (0.078 R)
• M11: 7,362,310 km (0.09 R)
• M12: 10,919,149 km (0.082 R)
• M13: 12,800,043 km (0.069 R)
• M14: 15,630,285 km (0.099 R)
• M15: 17,843,136 km (0.094 R)
• M16: 18,343,242 km (0.071 R)
• M17: 21,918,482 km (0.065 R)
• M18: 24,783,430 km (0.082 R)
• M19: 27,445,824 km (0.067 R)
• M20: 28,111,983 km (0.117 R)
• M21: 29,017,050 km (0.097 R)
• M22: 33,708,888 km (0.081 R)
• M23: 35,118,250 km (0.047 R)
• M24: 36,700,098 km (0.081 R)
• M25: 39,581,801 km (0.106 R)
• M26: 44,561,316 km (0.097 R)
• M27: 52,110,025 km (0.109 R)
• M28: 55,037,505 km (0.102 R)
• M29: 59,354,451 km (0.101 R)
• M30: 61,595,278 km (0.041 R)
• M31: 63,119,979 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.4

Radius: 8

Gravity: 13.49 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 11.7 AU - 12.82 AU

Year: 18740 Days

Day: 15.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,703,111 km

• M1: 105,766 km (0.093 R)
• M2: 415,433 km (0.109 R)
• M3: 757,115 km (0.1 R)
• M4: 1,241,363 km (0.089 R)
• M5: 2,286,155 km (0.078 R)
• M6: 2,556,328 km (0.086 R)
• M7: 2,822,762 km (0.119 R)
• M8: 3,161,751 km (0.099 R)
• M9: 3,890,442 km (0.036 R)
• M10: 6,262,167 km (0.117 R)
• M11: 10,587,789 km (0.102 R)
• M12: 12,203,745 km (0.105 R)
• M13: 12,684,104 km (0.101 R)
• M14: 13,392,301 km (0.046 R)
• M15: 16,908,599 km (0.103 R)
• M16: 18,562,253 km (0.089 R)
• M17: 18,923,682 km (0.095 R)
• M18: 20,036,241 km (0.069 R)
• M19: 22,390,912 km (0.111 R)
• M20: 23,952,863 km (0.083 R)
• M21: 27,642,395 km (0.087 R)
• M22: 28,351,639 km (0.102 R)
• M23: 32,995,755 km (0.065 R)
• M24: 35,152,208 km (0.099 R)
• M25: 37,977,813 km (0.115 R)
• M26: 42,494,622 km (0.079 R)
• M27: 42,807,879 km (0.112 R)
• M28: 44,076,320 km (0.098 R)
• M29: 48,884,844 km (0.112 R)
• M30: 49,574,341 km (0.088 R)
• M31: 49,921,557 km (0.115 R)
• M32: 50,620,778 km (0.099 R)
• M33: 54,768,828 km (0.083 R)
• M34: 57,592,787 km (0.079 R)
• M35: 57,976,505 km (0.055 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 20,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit