🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.55 AU - 0.65 AU

Year: 172 Days

Day: 38.6 Hours

Environment

Temp: 208 °C

Axial Tilt: 23.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.56 AU - 0.74 AU

Year: 194 Days

Day: 27.9 Hours

Environment

Temp: 158 °C

Axial Tilt: 7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.02 AU - 1.12 AU

Year: 410 Days

Day: 37.2 Hours

Environment

Temp: 27 °C

Axial Tilt: 22.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 29,085,612 km

• M1: 278,850 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.74 AU - 2.44 AU

Year: 1121 Days

Day: 14 Hours

Environment

Temp: -77 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.91 AU - 2.63 AU

Year: 1268 Days

Day: 30 Hours

Environment

Temp: -77 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,085,612 km

• M1: 375,939 km (0.081 R)

Asteroid Belt

Center: 5.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.9

Radius: 12.2

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.82 AU - 11.42 AU

Year: 11065 Days

Day: 11.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 29,085,612 km

• M1: 152,291 km (0.102 R)
• M2: 584,928 km (0.114 R)
• M3: 1,853,368 km (0.052 R)
• M4: 2,271,943 km (0.061 R)
• M5: 2,792,394 km (0.117 R)
• M6: 3,326,009 km (0.1 R)
• M7: 4,025,679 km (0.068 R)
• M8: 4,877,788 km (0.089 R)
• M9: 5,469,149 km (0.05 R)
• M10: 6,831,536 km (0.082 R)
• M11: 7,345,106 km (0.075 R)
• M12: 7,766,673 km (0.076 R)
• M13: 8,285,628 km (0.086 R)
• M14: 9,260,707 km (0.068 R)
• M15: 10,405,729 km (0.082 R)
• M16: 11,901,707 km (0.094 R)
• M17: 15,502,528 km (0.054 R)
• M18: 16,134,130 km (0.065 R)
• M19: 16,782,787 km (0.026 R)
• M20: 17,994,380 km (0.1 R)
• M21: 20,290,857 km (0.116 R)
• M22: 22,137,044 km (0.12 R)
• M23: 22,857,358 km (0.073 R)
• M24: 24,008,813 km (0.071 R)
• M25: 24,598,976 km (0.1 R)
• M26: 30,060,645 km (0.12 R)
• M27: 33,384,710 km (0.062 R)
• M28: 34,120,133 km (0.057 R)
• M29: 36,391,178 km (0.091 R)
• M30: 37,960,160 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.1

Radius: 3

Gravity: 37.9 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 10.02 AU - 15.9 AU

Year: 17303 Days

Day: 24.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,085,612 km

• M1: 37,250 km (0.109 R)
• M2: 146,756 km (0.08 R)
• M3: 1,021,454 km (0.097 R)
• M4: 1,200,373 km (0.091 R)
• M5: 1,589,777 km (0.099 R)
• M6: 6,164,779 km (0.114 R)
• M7: 11,390,232 km (0.117 R)
• M8: 13,015,464 km (0.06 R)
• M9: 14,114,410 km (0.064 R)
• M10: 14,449,060 km (0.064 R)
• M11: 15,273,643 km (0.115 R)
• M12: 21,149,698 km (0.106 R)
• M13: 21,411,794 km (0.097 R)
• M14: 23,963,185 km (0.038 R)
• M15: 26,004,598 km (0.072 R)
• M16: 27,531,693 km (0.117 R)
• M17: 28,158,957 km (0.059 R)
• M18: 31,438,441 km (0.098 R)
• M19: 47,398,290 km (0.113 R)
• M20: 53,615,727 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.3

Radius: 5.2

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 11.86 AU - 14.74 AU

Year: 17988 Days

Day: 20.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,085,612 km

• M1: 64,626 km (0.032 R)
• M2: 260,599 km (0.105 R)
• M3: 617,091 km (0.112 R)
• M4: 971,788 km (0.113 R)
• M5: 1,185,264 km (0.049 R)
• M6: 1,582,895 km (0.113 R)
• M7: 1,759,869 km (0.077 R)
• M8: 1,992,494 km (0.031 R)
• M9: 2,656,709 km (0.06 R)
• M10: 2,889,483 km (0.068 R)
• M11: 4,075,046 km (0.118 R)
• M12: 5,495,927 km (0.11 R)
• M13: 6,459,337 km (0.097 R)
• M14: 8,522,291 km (0.045 R)
• M15: 12,258,947 km (0.12 R)
• M16: 16,360,322 km (0.101 R)
• M17: 18,267,246 km (0.085 R)
• M18: 19,373,373 km (0.08 R)
• M19: 21,080,135 km (0.086 R)
• M20: 21,718,469 km (0.084 R)
• M21: 22,736,632 km (0.119 R)
• M22: 28,138,462 km (0.12 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: 525 - 18,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit