🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.39 AU - 0.63 AU

Year: 138 Days

Day: 34.7 Hours

Environment

Temp: 231 °C

Axial Tilt: 46.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,113,342 km

• M1: 20,046 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.51 AU - 0.71 AU

Year: 180 Days

Day: 34.7 Hours

Environment

Temp: 202 °C

Axial Tilt: 22.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.7 AU - 1.04 AU

Year: 307 Days

Day: 39.1 Hours

Environment

Temp: 45 °C

Axial Tilt: 1.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 77,113,342 km

• M1: 52,808 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.84 AU - 0.92 AU

Year: 313 Days

Day: 35.7 Hours

Environment

Temp: 28 °C

Axial Tilt: 17.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.64 AU - 2.68 AU

Year: 1643 Days

Day: 33.2 Hours

Environment

Temp: -110 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,113,342 km

• M1: 1,775,727 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.8

Radius: 8.8

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 8.65 AU - 12.63 AU

Year: 13145 Days

Day: 10.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,113,342 km

• M1: 115,340 km (0.054 R)
• M2: 936,782 km (0.087 R)
• M3: 1,241,662 km (0.074 R)
• M4: 1,643,781 km (0.111 R)
• M5: 2,058,616 km (0.07 R)
• M6: 2,399,699 km (0.026 R)
• M7: 2,690,817 km (0.071 R)
• M8: 3,148,138 km (0.068 R)
• M9: 3,576,735 km (0.059 R)
• M10: 5,950,704 km (0.025 R)
• M11: 7,058,028 km (0.086 R)
• M12: 7,929,286 km (0.105 R)
• M13: 9,572,319 km (0.055 R)
• M14: 10,256,879 km (0.12 R)
• M15: 12,692,183 km (0.106 R)
• M16: 15,136,163 km (0.052 R)
• M17: 16,064,717 km (0.109 R)
• M18: 16,729,380 km (0.069 R)
• M19: 18,034,921 km (0.098 R)
• M20: 19,739,738 km (0.084 R)
• M21: 20,847,361 km (0.091 R)
• M22: 21,906,215 km (0.118 R)
• M23: 24,806,768 km (0.094 R)
• M24: 25,100,279 km (0.114 R)
• M25: 26,196,831 km (0.088 R)
• M26: 28,059,624 km (0.101 R)
• M27: 29,458,663 km (0.105 R)
• M28: 34,660,779 km (0.079 R)
• M29: 38,449,794 km (0.114 R)
• M30: 41,811,109 km (0.108 R)
• M31: 44,637,461 km (0.089 R)
• M32: 45,509,617 km (0.049 R)
• M33: 55,698,130 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.1

Radius: 4.5

Gravity: 21.39 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 16.62 AU - 16.62 AU

Year: 25662 Days

Day: 19 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,113,342 km

• M1: 56,698 km (0.08 R)
• M2: 221,405 km (0.099 R)
• M3: 389,702 km (0.1 R)
• M4: 981,362 km (0.081 R)
• M5: 1,303,895 km (0.107 R)
• M6: 1,555,967 km (0.078 R)
• M7: 1,821,055 km (0.076 R)
• M8: 2,533,889 km (0.098 R)
• M9: 2,701,139 km (0.096 R)
• M10: 3,275,595 km (0.072 R)
• M11: 3,927,542 km (0.087 R)
• M12: 5,024,693 km (0.092 R)
• M13: 8,792,764 km (0.106 R)
• M14: 10,039,064 km (0.112 R)
• M15: 10,459,135 km (0.11 R)
• M16: 13,016,810 km (0.116 R)
• M17: 17,460,615 km (0.111 R)
• M18: 17,980,168 km (0.066 R)
• M19: 21,413,738 km (0.108 R)
• M20: 23,440,191 km (0.099 R)
• M21: 27,172,060 km (0.107 R)
• M22: 30,652,753 km (0.056 R)
• M23: 31,028,992 km (0.047 R)
• M24: 31,281,513 km (0.083 R)
• M25: 31,535,381 km (0.096 R)
• M26: 37,189,133 km (0.054 R)
• M27: 39,954,899 km (0.026 R)
• M28: 42,854,554 km (0.119 R)
• M29: 43,640,392 km (0.074 R)
• M30: 44,275,883 km (0.054 R)
• M31: 46,548,574 km (0.108 R)
• M32: 52,211,153 km (0.059 R)
• M33: 65,706,676 km (0.113 R)
• M34: 66,750,869 km (0.067 R)
• M35: 67,594,302 km (0.062 R)
• M36: 68,018,561 km (0.108 R)
• M37: 68,658,392 km (0.084 R)
• M38: 68,872,616 km (0.089 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: 356 - 13,275 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit