🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.93 AU - 1.17 AU

Year: 393 Days

Day: 34.3 Hours

Environment

Temp: 37 °C

Axial Tilt: 12.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.27 AU - 1.49 AU

Year: 592 Days

Day: 16.2 Hours

Environment

Temp: -22 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 41,342,998 km

• M1: 18,251 km (0.1 R)
• M2: 464,202 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.42 AU - 2.2 AU

Year: 889 Days

Day: 42.1 Hours

Environment

Temp: -60 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.2

Radius: 8.9

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 8.01 AU - 10.35 AU

Year: 10159 Days

Day: 13.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,342,998 km

• M1: 115,639 km (0.115 R)
• M2: 624,422 km (0.081 R)
• M3: 905,815 km (0.081 R)
• M4: 1,697,337 km (0.099 R)
• M5: 2,284,958 km (0.054 R)
• M6: 2,783,568 km (0.063 R)
• M7: 3,328,702 km (0.098 R)
• M8: 4,080,581 km (0.069 R)
• M9: 4,846,971 km (0.095 R)
• M10: 6,433,606 km (0.064 R)
• M11: 7,058,925 km (0.074 R)
• M12: 8,613,845 km (0.12 R)
• M13: 9,035,861 km (0.118 R)
• M14: 10,542,760 km (0.048 R)
• M15: 11,355,974 km (0.048 R)
• M16: 12,683,356 km (0.054 R)
• M17: 13,602,934 km (0.074 R)
• M18: 15,369,236 km (0.059 R)
• M19: 17,431,144 km (0.114 R)
• M20: 20,818,040 km (0.096 R)
• M21: 23,245,116 km (0.094 R)
• M22: 24,526,720 km (0.063 R)
• M23: 27,531,095 km (0.119 R)
• M24: 28,964,990 km (0.039 R)
• M25: 31,981,033 km (0.104 R)
• M26: 38,503,051 km (0.093 R)
• M27: 40,035,233 km (0.055 R)
• M28: 40,816,283 km (0.111 R)
• M29: 41,740,349 km (0.105 R)
• M30: 49,194,961 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.1

Radius: 7

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 13.26 AU - 15.22 AU

Year: 19627 Days

Day: 20.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,342,998 km

• M1: 88,562 km (0.093 R)
• M2: 447,746 km (0.094 R)
• M3: 983,008 km (0.094 R)
• M4: 2,027,949 km (0.06 R)
• M5: 3,722,593 km (0.095 R)
• M6: 4,735,670 km (0.067 R)
• M7: 5,463,613 km (0.117 R)
• M8: 8,517,205 km (0.057 R)
• M9: 9,636,796 km (0.077 R)
• M10: 11,260,830 km (0.069 R)
• M11: 12,495,312 km (0.108 R)
• M12: 15,485,773 km (0.084 R)
• M13: 17,077,495 km (0.1 R)
• M14: 21,368,859 km (0.072 R)
• M15: 24,890,543 km (0.112 R)
• M16: 36,587,600 km (0.119 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: 188 - 19,950 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit