🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.58 AU - 0.72 AU

Year: 190 Days

Day: 17.9 Hours

Environment

Temp: 180 °C

Axial Tilt: 3.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,850,320 km

• M1: 35,155 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.09 AU - 2.47 AU

Year: 1245 Days

Day: 41.3 Hours

Environment

Temp: -69 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.93 AU - 3.01 AU

Year: 1404 Days

Day: 20.3 Hours

Environment

Temp: -85 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.4

Radius: 8.6

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.91 AU - 7.59 AU

Year: 5651 Days

Day: 6.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,850,320 km

• M1: 106,962 km (0.075 R)
• M2: 454,179 km (0.1 R)
• M3: 732,132 km (0.025 R)
• M4: 1,419,085 km (0.103 R)
• M5: 1,786,498 km (0.066 R)
• M6: 2,091,677 km (0.084 R)
• M7: 2,364,095 km (0.114 R)
• M8: 2,789,701 km (0.104 R)
• M9: 3,244,778 km (0.098 R)
• M10: 3,589,900 km (0.032 R)
• M11: 4,253,217 km (0.091 R)
• M12: 5,251,932 km (0.106 R)
• M13: 5,668,114 km (0.111 R)
• M14: 6,333,525 km (0.097 R)
• M15: 8,725,146 km (0.112 R)
• M16: 9,831,273 km (0.032 R)
• M17: 12,789,421 km (0.089 R)
• M18: 14,100,347 km (0.114 R)
• M19: 16,169,585 km (0.091 R)
• M20: 18,433,450 km (0.104 R)
• M21: 19,117,112 km (0.105 R)
• M22: 23,500,030 km (0.09 R)
• M23: 25,459,762 km (0.092 R)
• M24: 25,881,479 km (0.108 R)
• M25: 27,614,570 km (0.069 R)
• M26: 28,781,733 km (0.106 R)
• M27: 30,451,694 km (0.092 R)
• M28: 32,381,955 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.4

Radius: 10.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 9.72 AU - 9.84 AU

Year: 11061 Days

Day: 6 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,850,320 km

• M1: 130,001 km (0.063 R)
• M2: 550,819 km (0.045 R)
• M3: 3,867,105 km (0.118 R)
• M4: 4,608,063 km (0.061 R)
• M5: 7,784,774 km (0.071 R)
• M6: 9,092,559 km (0.043 R)
• M7: 10,588,986 km (0.057 R)
• M8: 11,221,486 km (0.093 R)
• M9: 15,434,461 km (0.052 R)
• M10: 19,788,058 km (0.098 R)
• M11: 26,542,851 km (0.066 R)
• M12: 27,983,478 km (0.076 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 13,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit