🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.43 AU - 0.61 AU

Year: 141 Days

Day: 32.2 Hours

Environment

Temp: 217 °C

Axial Tilt: 31.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.83 AU - 0.85 AU

Year: 289 Days

Day: 47.5 Hours

Environment

Temp: 146 °C

Axial Tilt: 41.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.23 AU - 1.67 AU

Year: 654 Days

Day: 20.3 Hours

Environment

Temp: -32 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.25 AU - 1.83 AU

Year: 716 Days

Day: 24.7 Hours

Environment

Temp: -58 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.8 AU - 2.46 AU

Year: 1165 Days

Day: 19.2 Hours

Environment

Temp: -75 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.2

Radius: 11.3

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.76 AU - 8.12 AU

Year: 6851 Days

Day: 7.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 113,914,209 km

• M1: 140,472 km (0.08 R)
• M2: 514,168 km (0.025 R)
• M3: 1,051,823 km (0.099 R)
• M4: 1,433,896 km (0.113 R)
• M5: 1,791,435 km (0.109 R)
• M6: 2,285,257 km (0.061 R)
• M7: 7,122,953 km (0.058 R)
• M8: 7,747,823 km (0.053 R)
• M9: 8,909,600 km (0.107 R)
• M10: 10,887,434 km (0.071 R)
• M11: 11,576,182 km (0.095 R)
• M12: 14,570,234 km (0.083 R)
• M13: 16,157,468 km (0.079 R)
• M14: 18,750,148 km (0.115 R)
• M15: 21,823,188 km (0.062 R)
• M16: 22,402,730 km (0.109 R)
• M17: 23,066,795 km (0.071 R)
• M18: 24,589,701 km (0.101 R)
• M19: 25,296,402 km (0.049 R)
• M20: 26,178,580 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.9

Radius: 14.8

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 9.49 AU - 12.37 AU

Year: 13541 Days

Day: 13.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 113,914,209 km

• M1: 227,688 km (0.117 R)
• M2: 1,515,875 km (0.116 R)
• M3: 2,742,129 km (0.09 R)
• M4: 4,289,569 km (0.096 R)
• M5: 4,889,457 km (0.059 R)
• M6: 5,959,830 km (0.102 R)
• M7: 7,636,672 km (0.084 R)
• M8: 8,397,377 km (0.116 R)
• M9: 9,120,384 km (0.112 R)
• M10: 10,164,577 km (0.04 R)
• M11: 10,838,216 km (0.119 R)
• M12: 18,736,535 km (0.043 R)
• M13: 22,286,642 km (0.12 R)
• M14: 25,292,961 km (0.082 R)
• M15: 29,226,786 km (0.102 R)
• M16: 31,389,373 km (0.1 R)
• M17: 36,363,652 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.3

Radius: 6.6

Gravity: 20.71 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 18.95 AU - 19.77 AU

Year: 31922 Days

Day: 20.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 93.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 113,914,209 km

• M1: 82,129 km (0.116 R)
• M2: 593,455 km (0.104 R)
• M3: 1,077,105 km (0.083 R)
• M4: 1,378,694 km (0.093 R)
• M5: 3,375,676 km (0.096 R)
• M6: 3,989,775 km (0.113 R)
• M7: 4,361,676 km (0.107 R)
• M8: 4,879,434 km (0.068 R)
• M9: 5,089,170 km (0.108 R)
• M10: 5,437,434 km (0.094 R)
• M11: 6,084,893 km (0.094 R)
• M12: 6,679,844 km (0.064 R)
• M13: 7,813,198 km (0.112 R)
• M14: 10,248,950 km (0.082 R)
• M15: 12,749,778 km (0.084 R)
• M16: 17,513,273 km (0.099 R)
• M17: 18,306,890 km (0.114 R)
• M18: 19,647,436 km (0.064 R)
• M19: 19,965,930 km (0.093 R)
• M20: 21,274,164 km (0.062 R)
• M21: 23,105,990 km (0.113 R)
• M22: 30,062,590 km (0.057 R)
• M23: 30,769,589 km (0.088 R)
• M24: 31,343,297 km (0.059 R)
• M25: 32,511,806 km (0.034 R)
• M26: 33,557,794 km (0.029 R)
• M27: 43,820,956 km (0.095 R)
• M28: 44,182,983 km (0.07 R)
• M29: 44,729,614 km (0.057 R)
• M30: 48,297,373 km (0.093 R)
• M31: 69,496,888 km (0.056 R)
• M32: 76,079,493 km (0.119 R)
• M33: 80,872,459 km (0.102 R)
• M34: 89,591,771 km (0.099 R)
• M35: 91,054,240 km (0.064 R)
• M36: 91,348,649 km (0.086 R)
• M37: 97,063,736 km (0.104 R)
• M38: 101,424,215 km (0.085 R)
• M39: 105,913,497 km (0.094 R)
• M40: 106,565,295 km (0.062 R)
• M41: 109,865,275 km (0.118 R)
• M42: 113,232,573 km (0.093 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 18,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit