🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.55 AU - 0.75 AU

Year: 338 Days

Day: 24.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 49.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301

Radius: 12.8

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.99 AU - 1.11 AU

Year: 695 Days

Day: 9.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,827,300 km

• M1: 159,172 km (0.058 R)
• M2: 785,987 km (0.089 R)
• M3: 1,305,690 km (0.088 R)
• M4: 1,791,584 km (0.119 R)
• M5: 2,398,353 km (0.105 R)
• M6: 3,265,422 km (0.114 R)
• M7: 3,988,279 km (0.114 R)
• M8: 5,400,782 km (0.108 R)
• M9: 5,874,858 km (0.03 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.3

Radius: 6.1

Gravity: 17.02 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.22 AU - 10.18 AU

Year: 15161 Days

Day: 24.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 34,827,300 km

• M1: 75,846 km (0.106 R)
• M2: 323,281 km (0.107 R)
• M3: 560,842 km (0.101 R)
• M4: 937,380 km (0.104 R)
• M5: 1,273,975 km (0.051 R)
• M6: 1,500,766 km (0.113 R)
• M7: 2,188,766 km (0.072 R)
• M8: 2,473,750 km (0.09 R)
• M9: 2,669,873 km (0.074 R)
• M10: 5,247,744 km (0.034 R)
• M11: 6,968,269 km (0.08 R)
• M12: 7,273,000 km (0.082 R)
• M13: 9,930,157 km (0.066 R)
• M14: 12,335,242 km (0.114 R)
• M15: 12,845,969 km (0.079 R)
• M16: 13,304,337 km (0.115 R)
• M17: 13,977,976 km (0.072 R)
• M18: 14,184,421 km (0.037 R)
• M19: 17,932,596 km (0.108 R)
• M20: 19,946,034 km (0.086 R)
• M21: 20,827,764 km (0.065 R)
• M22: 24,815,744 km (0.103 R)
• M23: 25,118,679 km (0.061 R)
• M24: 28,395,022 km (0.118 R)
• M25: 29,963,855 km (0.114 R)
• M26: 40,746,720 km (0.103 R)
• M27: 44,350,234 km (0.08 R)
• M28: 48,474,647 km (0.104 R)
• M29: 54,191,829 km (0.117 R)
• M30: 55,558,854 km (0.12 R)
• M31: 60,524,755 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.6

Radius: 5.6

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.95 AU - 13.03 AU

Year: 21937 Days

Day: 20.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,827,300 km

• M1: 69,713 km (0.046 R)
• M2: 373,546 km (0.12 R)
• M3: 971,040 km (0.12 R)
• M4: 1,166,415 km (0.077 R)
• M5: 1,341,594 km (0.078 R)
• M6: 1,917,246 km (0.105 R)
• M7: 5,665,271 km (0.105 R)
• M8: 6,011,590 km (0.107 R)
• M9: 9,527,140 km (0.062 R)
• M10: 11,838,876 km (0.063 R)
• M11: 16,883,167 km (0.093 R)
• M12: 18,066,486 km (0.101 R)
• M13: 20,450,777 km (0.089 R)
• M14: 20,966,291 km (0.1 R)
• M15: 21,490,632 km (0.115 R)
• M16: 31,013,583 km (0.058 R)
• M17: 33,897,232 km (0.073 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 14,518 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit