🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.03 AU - 1.41 AU

Year: 610 Days

Day: 21.5 Hours

Environment

Temp: -100 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.83 AU - 2.17 AU

Year: 1281 Days

Day: 38.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 42.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.9 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.4

Radius: 10.5

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.74 AU - 6.86 AU

Year: 6328 Days

Day: 12.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,121,588 km

• M1: 137,331 km (0.081 R)
• M2: 552,315 km (0.084 R)
• M3: 990,188 km (0.105 R)
• M4: 3,546,367 km (0.115 R)
• M5: 6,896,163 km (0.116 R)
• M6: 7,490,665 km (0.107 R)
• M7: 8,020,241 km (0.096 R)
• M8: 8,548,920 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.1

Radius: 8.9

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.1 AU - 10.08 AU

Year: 11406 Days

Day: 13.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,121,588 km

• M1: 112,049 km (0.105 R)
• M2: 410,796 km (0.099 R)
• M3: 1,940,584 km (0.104 R)
• M4: 2,359,009 km (0.057 R)
• M5: 2,780,725 km (0.086 R)
• M6: 3,129,438 km (0.095 R)
• M7: 5,274,821 km (0.106 R)
• M8: 6,787,106 km (0.054 R)
• M9: 9,017,760 km (0.114 R)
• M10: 10,185,670 km (0.118 R)
• M11: 11,257,689 km (0.12 R)
• M12: 12,506,232 km (0.086 R)
• M13: 14,292,431 km (0.051 R)
• M14: 16,428,240 km (0.119 R)
• M15: 19,525,664 km (0.106 R)
• M16: 24,747,377 km (0.073 R)
• M17: 26,504,554 km (0.109 R)
• M18: 30,547,137 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.5

Radius: 7.2

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 8.15 AU - 12.93 AU

Year: 15502 Days

Day: 23.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,121,588 km

• M1: 96,939 km (0.097 R)
• M2: 467,793 km (0.115 R)
• M3: 903,571 km (0.112 R)
• M4: 1,156,092 km (0.037 R)
• M5: 1,498,971 km (0.065 R)
• M6: 1,925,624 km (0.071 R)
• M7: 3,648,692 km (0.09 R)
• M8: 3,895,080 km (0.101 R)
• M9: 6,364,043 km (0.096 R)
• M10: 6,681,639 km (0.079 R)
• M11: 8,244,039 km (0.097 R)
• M12: 10,357,409 km (0.114 R)
• M13: 11,422,695 km (0.065 R)
• M14: 13,059,595 km (0.068 R)
• M15: 15,477,396 km (0.114 R)
• M16: 21,886,916 km (0.091 R)
• M17: 24,299,930 km (0.07 R)
• M18: 24,686,192 km (0.104 R)
• M19: 24,978,656 km (0.117 R)
• M20: 26,070,720 km (0.058 R)
• M21: 26,577,558 km (0.027 R)
• M22: 28,137,265 km (0.097 R)
• M23: 30,533,973 km (0.077 R)
• M24: 38,143,717 km (0.097 R)
• M25: 44,006,158 km (0.119 R)
• M26: 44,580,315 km (0.069 R)
• M27: 50,285,379 km (0.043 R)
• M28: 54,292,807 km (0.118 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 14,160 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit