🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.98 AU - 1.54 AU

Year: 519 Days

Day: 47.8 Hours

Environment

Temp: 12 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 88,061,812 km

• M1: 42,785 km (0.117 R)
• M2: 318,195 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.79 AU - 2.15 AU

Year: 1015 Days

Day: 41.5 Hours

Environment

Temp: -73 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.78 AU - 4.04 AU

Year: 2838 Days

Day: 22.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.2

Radius: 12.1

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.24 AU - 7 AU

Year: 4891 Days

Day: 8.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,061,812 km

• M1: 151,692 km (0.028 R)
• M2: 570,417 km (0.104 R)
• M3: 2,241,724 km (0.113 R)
• M4: 2,620,506 km (0.115 R)
• M5: 3,220,094 km (0.05 R)
• M6: 3,618,174 km (0.117 R)
• M7: 4,049,166 km (0.116 R)
• M8: 4,694,980 km (0.106 R)
• M9: 5,437,284 km (0.092 R)
• M10: 5,943,823 km (0.057 R)
• M11: 6,679,246 km (0.106 R)
• M12: 7,618,720 km (0.028 R)
• M13: 8,026,075 km (0.059 R)
• M14: 8,763,892 km (0.105 R)
• M15: 9,717,130 km (0.045 R)
• M16: 12,125,805 km (0.108 R)
• M17: 13,522,152 km (0.118 R)
• M18: 20,472,917 km (0.093 R)
• M19: 25,111,349 km (0.083 R)
• M20: 26,016,416 km (0.045 R)
• M21: 26,519,215 km (0.066 R)
• M22: 27,630,876 km (0.063 R)
• M23: 30,964,665 km (0.079 R)
• M24: 31,529,546 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.3

Radius: 3.9

Gravity: 41.37 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 15.91 AU - 18.31 AU

Year: 25981 Days

Day: 20.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 88,061,812 km

• M1: 54,603 km (0.1 R)
• M2: 528,380 km (0.099 R)
• M3: 742,155 km (0.118 R)
• M4: 972,985 km (0.116 R)
• M5: 1,407,267 km (0.084 R)
• M6: 1,898,995 km (0.118 R)
• M7: 2,085,993 km (0.071 R)
• M8: 4,019,545 km (0.045 R)
• M9: 4,506,636 km (0.1 R)
• M10: 4,877,938 km (0.096 R)
• M11: 5,269,435 km (0.101 R)
• M12: 6,615,966 km (0.111 R)
• M13: 6,900,800 km (0.116 R)
• M14: 7,293,195 km (0.071 R)
• M15: 8,615,341 km (0.101 R)
• M16: 9,782,055 km (0.085 R)
• M17: 10,214,094 km (0.053 R)
• M18: 12,567,268 km (0.096 R)
• M19: 14,852,077 km (0.109 R)
• M20: 16,007,271 km (0.117 R)
• M21: 16,520,093 km (0.087 R)
• M22: 20,025,919 km (0.051 R)
• M23: 23,446,624 km (0.094 R)
• M24: 25,008,426 km (0.041 R)
• M25: 25,582,732 km (0.113 R)
• M26: 26,283,299 km (0.049 R)
• M27: 29,722,554 km (0.107 R)
• M28: 33,866,714 km (0.091 R)
• M29: 36,882,906 km (0.039 R)
• M30: 39,606,485 km (0.075 R)
• M31: 40,858,918 km (0.069 R)
• M32: 43,277,916 km (0.084 R)
• M33: 45,790,711 km (0.114 R)
• M34: 46,476,767 km (0.089 R)
• M35: 48,221,976 km (0.115 R)
• M36: 48,398,950 km (0.11 R)
• M37: 51,842,544 km (0.03 R)
• M38: 54,099,676 km (0.026 R)
• M39: 55,834,862 km (0.111 R)
• M40: 61,469,765 km (0.108 R)
• M41: 63,570,718 km (0.059 R)
• M42: 70,614,533 km (0.114 R)
• M43: 76,947,759 km (0.118 R)
• M44: 78,894,476 km (0.12 R)
• M45: 85,189,255 km (0.12 R)
• M46: 87,009,862 km (0.099 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 20,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit