🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.48 AU - 0.62 AU

Year: 172 Days

Day: 16.5 Hours

Environment

Temp: 125 °C

Axial Tilt: 4.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,472,113 km

• M1: 56,398 km (0.041 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.49 AU - 0.75 AU

Year: 206 Days

Day: 16.8 Hours

Environment

Temp: 38 °C

Axial Tilt: 38.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.62 AU - 0.64 AU

Year: 211 Days

Day: 23.2 Hours

Environment

Temp: 30 °C

Axial Tilt: 23.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.75 AU - 1.09 AU

Year: 372 Days

Day: 38.6 Hours

Environment

Temp: -32 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.11 AU - 1.35 AU

Year: 575 Days

Day: 43.8 Hours

Environment

Temp: -63 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,472,113 km

• M1: 1,102,237 km (0.12 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.92 AU - 2.98 AU

Year: 1617 Days

Day: 28.1 Hours

Environment

Temp: -115 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.25 AU - 3.47 AU

Year: 2040 Days

Day: 39.6 Hours

Environment

Temp: -127 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,472,113 km

• M1: 439,668 km (0.033 R)

Asteroid Belt

Center: 3.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.6

Radius: 13.6

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.73 AU - 3.79 AU

Year: 3075 Days

Day: 8.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,472,113 km

• M1: 170,392 km (0.032 R)
• M2: 798,853 km (0.1 R)
• M3: 1,449,603 km (0.093 R)
• M4: 1,879,697 km (0.109 R)
• M5: 2,610,483 km (0.03 R)
• M6: 4,572,010 km (0.062 R)
• M7: 5,984,214 km (0.117 R)
• M8: 7,150,030 km (0.11 R)
• M9: 9,156,886 km (0.107 R)
• M10: 9,810,628 km (0.053 R)
• M11: 11,040,024 km (0.066 R)
• M12: 12,415,875 km (0.109 R)
• M13: 14,561,109 km (0.05 R)
• M14: 16,716,515 km (0.079 R)
• M15: 17,171,891 km (0.093 R)
• M16: 18,346,832 km (0.108 R)
• M17: 22,193,742 km (0.112 R)
• M18: 23,163,136 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.2

Radius: 6.9

Gravity: 18.63 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 9.2 AU - 11.8 AU

Year: 14350 Days

Day: 20.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,472,113 km

• M1: 86,318 km (0.099 R)
• M2: 352,602 km (0.069 R)
• M3: 691,890 km (0.105 R)
• M4: 1,148,164 km (0.044 R)
• M5: 1,392,457 km (0.104 R)
• M6: 2,141,045 km (0.103 R)
• M7: 3,503,283 km (0.112 R)
• M8: 3,786,322 km (0.076 R)
• M9: 4,239,604 km (0.101 R)
• M10: 5,550,231 km (0.093 R)
• M11: 9,259,659 km (0.047 R)
• M12: 11,130,830 km (0.115 R)
• M13: 12,380,121 km (0.091 R)
• M14: 13,105,671 km (0.054 R)
• M15: 14,569,187 km (0.048 R)
• M16: 14,933,009 km (0.086 R)
• M17: 15,907,490 km (0.1 R)
• M18: 16,371,393 km (0.099 R)
• M19: 17,325,977 km (0.073 R)
• M20: 19,520,727 km (0.062 R)
• M21: 26,338,052 km (0.096 R)
• M22: 27,315,674 km (0.094 R)
• M23: 27,980,636 km (0.043 R)
• M24: 28,884,058 km (0.118 R)
• M25: 30,040,449 km (0.07 R)
• M26: 35,759,725 km (0.117 R)
• M27: 38,734,778 km (0.072 R)
• M28: 42,458,718 km (0.097 R)
• M29: 48,481,379 km (0.11 R)
• M30: 61,427,429 km (0.089 R)
• M31: 63,143,616 km (0.103 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 13,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit