🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.98 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.66 AU - 2.26 AU

Year: 956 Days

Day: 17.2 Hours

Environment

Temp: -37 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.78 AU - 3.22 AU

Year: 1810 Days

Day: 22.5 Hours

Environment

Temp: -93 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,493,259 km

• M1: 130,449 km (0.038 R)
• M2: 845,078 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.21 AU - 6.09 AU

Year: 4070 Days

Day: 45.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,493,259 km

• M1: 119,230 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.1

Radius: 9.6

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 6.45 AU - 7.09 AU

Year: 6134 Days

Day: 7.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,493,259 km

• M1: 119,678 km (0.061 R)
• M2: 510,727 km (0.11 R)
• M3: 1,101,340 km (0.107 R)
• M4: 1,696,739 km (0.118 R)
• M5: 2,114,267 km (0.1 R)
• M6: 3,007,665 km (0.032 R)
• M7: 5,432,048 km (0.083 R)
• M8: 7,468,075 km (0.106 R)
• M9: 8,120,172 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.5

Radius: 12.5

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 9.03 AU - 12.89 AU

Year: 12636 Days

Day: 6.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,493,259 km

• M1: 155,582 km (0.116 R)
• M2: 608,415 km (0.085 R)
• M3: 1,157,289 km (0.111 R)
• M4: 1,684,322 km (0.108 R)
• M5: 2,099,157 km (0.07 R)
• M6: 2,852,682 km (0.026 R)
• M7: 3,305,066 km (0.056 R)
• M8: 4,185,599 km (0.094 R)
• M9: 5,618,746 km (0.117 R)
• M10: 6,113,915 km (0.059 R)
• M11: 6,715,598 km (0.054 R)
• M12: 7,151,975 km (0.064 R)
• M13: 8,901,223 km (0.117 R)
• M14: 9,576,208 km (0.104 R)
• M15: 10,130,169 km (0.114 R)
• M16: 11,357,919 km (0.113 R)
• M17: 12,444,897 km (0.092 R)
• M18: 13,227,893 km (0.086 R)
• M19: 15,160,099 km (0.083 R)
• M20: 17,793,919 km (0.091 R)
• M21: 24,412,727 km (0.065 R)
• M22: 29,042,183 km (0.074 R)
• M23: 30,742,961 km (0.105 R)
• M24: 31,287,946 km (0.12 R)
• M25: 32,847,952 km (0.101 R)
• M26: 33,303,029 km (0.092 R)
• M27: 35,761,820 km (0.072 R)
• M28: 36,364,550 km (0.064 R)
• M29: 39,097,852 km (0.119 R)
• M30: 41,301,579 km (0.091 R)
• M31: 41,831,903 km (0.065 R)
• M32: 49,592,592 km (0.1 R)

Kuiper Belt

Range: 31.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 19,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit