🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.75 AU - 0.91 AU

Year: 267 Days

Day: 43.7 Hours

Environment

Temp: 157 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.1 AU - 1.28 AU

Year: 458 Days

Day: 26.5 Hours

Environment

Temp: 25 °C

Axial Tilt: 43.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 81,028,059 km

• M1: 66,721 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.45 AU - 3.65 AU

Year: 1881 Days

Day: 21.4 Hours

Environment

Temp: -97 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,028,059 km

• M1: 472,879 km (0.096 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.54 AU - 5.22 AU

Year: 3237 Days

Day: 28.9 Hours

Environment

Temp: -117 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.74 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.85 AU - 6.33 AU

Year: 4055 Days

Day: 32 Hours

Environment

Temp: -124 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,028,059 km

• M1: 266,733 km (0.052 R)

Planet 6 - Terrestrial

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.38 AU - 6.18 AU

Year: 4284 Days

Day: 39.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.1

Radius: 9.1

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.31 AU - 7.11 AU

Year: 4818 Days

Day: 7 Hours

Environment

Temp: -139 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,028,059 km

• M1: 113,545 km (0.068 R)
• M2: 448,046 km (0.099 R)
• M3: 734,077 km (0.098 R)
• M4: 1,352,814 km (0.063 R)
• M5: 1,936,245 km (0.101 R)
• M6: 2,417,352 km (0.07 R)
• M7: 3,580,475 km (0.092 R)
• M8: 4,111,997 km (0.096 R)
• M9: 5,409,758 km (0.062 R)
• M10: 6,629,729 km (0.079 R)
• M11: 7,116,072 km (0.106 R)
• M12: 7,431,873 km (0.076 R)
• M13: 8,576,745 km (0.117 R)
• M14: 11,002,175 km (0.114 R)
• M15: 11,339,668 km (0.115 R)
• M16: 11,815,240 km (0.117 R)
• M17: 12,713,874 km (0.09 R)
• M18: 13,998,322 km (0.094 R)
• M19: 14,345,089 km (0.12 R)
• M20: 15,315,082 km (0.038 R)
• M21: 17,844,034 km (0.1 R)
• M22: 19,086,145 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.4

Radius: 4.4

Gravity: 24.76 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 13.61 AU - 13.97 AU

Year: 18082 Days

Day: 22.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,028,059 km

• M1: 56,099 km (0.089 R)
• M2: 359,334 km (0.118 R)
• M3: 559,646 km (0.031 R)
• M4: 1,381,536 km (0.105 R)
• M5: 1,625,979 km (0.086 R)
• M6: 1,971,401 km (0.054 R)
• M7: 2,623,797 km (0.036 R)
• M8: 2,950,369 km (0.102 R)
• M9: 5,960,278 km (0.087 R)
• M10: 7,034,092 km (0.05 R)
• M11: 8,230,725 km (0.06 R)
• M12: 10,901,795 km (0.079 R)
• M13: 11,256,791 km (0.093 R)
• M14: 11,558,380 km (0.094 R)
• M15: 15,095,323 km (0.096 R)
• M16: 24,303,670 km (0.047 R)
• M17: 33,221,947 km (0.109 R)
• M18: 36,927,636 km (0.107 R)
• M19: 40,335,625 km (0.101 R)
• M20: 42,623,276 km (0.088 R)
• M21: 52,304,652 km (0.114 R)
• M22: 58,009,417 km (0.089 R)
• M23: 58,367,853 km (0.088 R)
• M24: 59,089,214 km (0.04 R)
• M25: 61,660,951 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.5

Radius: 4.5

Gravity: 30.54 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 13.42 AU - 19.08 AU

Year: 23130 Days

Day: 22.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,028,059 km

• M1: 57,745 km (0.088 R)
• M2: 308,022 km (0.105 R)
• M3: 743,352 km (0.036 R)
• M4: 2,134,762 km (0.102 R)
• M5: 2,538,975 km (0.117 R)
• M6: 2,835,628 km (0.1 R)
• M7: 3,019,035 km (0.108 R)
• M8: 5,885,180 km (0.077 R)
• M9: 6,360,004 km (0.099 R)
• M10: 7,483,783 km (0.036 R)
• M11: 8,197,215 km (0.109 R)
• M12: 10,177,442 km (0.118 R)
• M13: 10,546,201 km (0.099 R)
• M14: 20,014,998 km (0.112 R)
• M15: 20,302,825 km (0.083 R)
• M16: 21,783,694 km (0.047 R)
• M17: 25,968,096 km (0.075 R)
• M18: 26,425,417 km (0.095 R)
• M19: 34,627,569 km (0.115 R)
• M20: 45,028,809 km (0.045 R)
• M21: 50,134,734 km (0.083 R)
• M22: 50,843,380 km (0.104 R)
• M23: 52,462,328 km (0.096 R)
• M24: 67,956,030 km (0.041 R)

Kuiper Belt

Range: 31.1 - 51.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 18,679 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit