🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.54 AU - 0.88 AU

Year: 227 Days

Day: 34.5 Hours

Environment

Temp: 144 °C

Axial Tilt: 9.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.83 AU - 1.37 AU

Year: 437 Days

Day: 41.4 Hours

Environment

Temp: -11 °C

Axial Tilt: 16.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.26 AU - 2.04 AU

Year: 803 Days

Day: 19.8 Hours

Environment

Temp: -58 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.42 AU - 2.12 AU

Year: 892 Days

Day: 47.2 Hours

Environment

Temp: -75 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.74 AU - 4.57 AU

Year: 3202 Days

Day: 30.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.1

Radius: 14.3

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.96 AU - 7.38 AU

Year: 7272 Days

Day: 13.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 92,046,297 km

• M1: 177,872 km (0.118 R)
• M2: 647,011 km (0.07 R)
• M3: 1,419,983 km (0.062 R)
• M4: 2,765,765 km (0.042 R)
• M5: 3,484,284 km (0.066 R)
• M6: 5,561,750 km (0.105 R)
• M7: 7,574,290 km (0.117 R)
• M8: 12,006,426 km (0.091 R)
• M9: 13,180,620 km (0.11 R)
• M10: 18,107,625 km (0.118 R)
• M11: 21,683,912 km (0.032 R)
• M12: 22,786,598 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.2

Radius: 11.9

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.52 AU - 9.08 AU

Year: 9057 Days

Day: 10.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 92,046,297 km

• M1: 150,047 km (0.099 R)
• M2: 607,517 km (0.044 R)
• M3: 1,194,838 km (0.081 R)
• M4: 1,594,564 km (0.047 R)
• M5: 6,801,018 km (0.109 R)
• M6: 10,385,234 km (0.115 R)
• M7: 12,207,186 km (0.118 R)
• M8: 13,587,526 km (0.11 R)
• M9: 14,069,979 km (0.051 R)
• M10: 14,508,450 km (0.091 R)
• M11: 19,074,776 km (0.052 R)
• M12: 19,816,482 km (0.093 R)
• M13: 24,205,235 km (0.104 R)
• M14: 25,395,884 km (0.103 R)
• M15: 27,980,038 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.6

Radius: 4.8

Gravity: 38.96 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 15.39 AU - 15.73 AU

Year: 23247 Days

Day: 22.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 92,046,297 km

• M1: 67,469 km (0.065 R)
• M2: 519,703 km (0.115 R)
• M3: 670,946 km (0.115 R)
• M4: 1,331,271 km (0.113 R)
• M5: 1,790,986 km (0.073 R)
• M6: 2,234,244 km (0.051 R)
• M7: 2,669,574 km (0.115 R)
• M8: 4,003,688 km (0.096 R)
• M9: 4,532,666 km (0.062 R)
• M10: 5,350,069 km (0.091 R)
• M11: 6,170,314 km (0.028 R)
• M12: 6,586,944 km (0.116 R)
• M13: 8,002,888 km (0.064 R)
• M14: 8,220,403 km (0.075 R)
• M15: 11,216,549 km (0.105 R)
• M16: 11,766,172 km (0.104 R)
• M17: 11,976,955 km (0.102 R)
• M18: 12,190,132 km (0.091 R)
• M19: 13,446,605 km (0.11 R)
• M20: 14,464,020 km (0.119 R)
• M21: 17,547,232 km (0.032 R)
• M22: 17,730,340 km (0.071 R)
• M23: 18,193,644 km (0.084 R)
• M24: 19,632,177 km (0.115 R)
• M25: 22,517,322 km (0.089 R)
• M26: 23,835,878 km (0.099 R)
• M27: 25,672,939 km (0.104 R)
• M28: 32,705,236 km (0.027 R)
• M29: 37,942,658 km (0.071 R)
• M30: 44,217,690 km (0.103 R)
• M31: 45,412,678 km (0.117 R)
• M32: 47,510,937 km (0.067 R)
• M33: 50,778,155 km (0.115 R)
• M34: 51,524,050 km (0.095 R)
• M35: 63,174,433 km (0.106 R)
• M36: 71,222,499 km (0.118 R)
• M37: 71,688,496 km (0.101 R)
• M38: 76,462,314 km (0.078 R)
• M39: 85,318,358 km (0.116 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 12,568 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit