🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.63 AU - 0.77 AU

Year: 207 Days

Day: 37.7 Hours

Environment

Temp: 199 °C

Axial Tilt: 12.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.04 AU - 1.36 AU

Year: 464 Days

Day: 16.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 10.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.15 AU - 1.79 AU

Year: 629 Days

Day: 19.5 Hours

Environment

Temp: 10 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 41,380,563 km

• M1: 60,587 km (0.114 R)

Asteroid Belt

Center: 1.74 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.61 AU - 2.39 AU

Year: 999 Days

Day: 38.7 Hours

Environment

Temp: -61 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,380,563 km

• M1: 54,603 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.1

Radius: 14.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.78 AU - 7.88 AU

Year: 7736 Days

Day: 11.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,380,563 km

• M1: 220,208 km (0.043 R)
• M2: 794,813 km (0.042 R)
• M3: 1,266,795 km (0.088 R)
• M4: 2,933,315 km (0.105 R)
• M5: 3,491,315 km (0.032 R)
• M6: 4,764,543 km (0.067 R)
• M7: 6,805,806 km (0.1 R)
• M8: 7,833,543 km (0.093 R)
• M9: 8,826,873 km (0.096 R)
• M10: 9,854,161 km (0.105 R)
• M11: 10,855,869 km (0.074 R)
• M12: 11,596,677 km (0.112 R)
• M13: 16,840,831 km (0.087 R)
• M14: 33,322,327 km (0.059 R)
• M15: 34,435,635 km (0.097 R)
• M16: 38,285,985 km (0.04 R)
• M17: 39,754,437 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.3

Radius: 9.5

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.01 AU - 10.65 AU

Year: 10882 Days

Day: 6 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,380,563 km

• M1: 118,182 km (0.052 R)
• M2: 439,668 km (0.081 R)
• M3: 947,104 km (0.09 R)
• M4: 1,430,156 km (0.118 R)
• M5: 1,879,847 km (0.075 R)
• M6: 2,592,531 km (0.042 R)
• M7: 5,857,804 km (0.107 R)
• M8: 6,749,557 km (0.03 R)
• M9: 8,534,708 km (0.025 R)
• M10: 10,463,025 km (0.107 R)
• M11: 12,837,741 km (0.066 R)
• M12: 14,649,371 km (0.086 R)
• M13: 17,605,725 km (0.089 R)
• M14: 18,183,023 km (0.074 R)
• M15: 21,915,190 km (0.112 R)
• M16: 24,401,507 km (0.042 R)
• M17: 29,927,353 km (0.119 R)
• M18: 33,197,712 km (0.09 R)
• M19: 34,525,094 km (0.059 R)
• M20: 36,582,215 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 125

Radius: 6.5

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 11.21 AU - 15.87 AU

Year: 17592 Days

Day: 23.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,380,563 km

• M1: 81,232 km (0.077 R)
• M2: 323,131 km (0.093 R)
• M3: 594,053 km (0.1 R)
• M4: 800,199 km (0.059 R)
• M5: 1,180,776 km (0.05 R)
• M6: 2,067,443 km (0.05 R)
• M7: 2,480,781 km (0.085 R)
• M8: 3,268,564 km (0.11 R)
• M9: 4,030,765 km (0.055 R)
• M10: 6,203,824 km (0.046 R)
• M11: 6,481,477 km (0.096 R)
• M12: 7,442,045 km (0.054 R)
• M13: 8,160,265 km (0.116 R)
• M14: 12,026,322 km (0.102 R)
• M15: 18,772,588 km (0.119 R)
• M16: 19,427,976 km (0.113 R)
• M17: 20,401,410 km (0.059 R)
• M18: 24,192,369 km (0.056 R)
• M19: 24,707,734 km (0.091 R)
• M20: 26,388,316 km (0.095 R)
• M21: 27,488,160 km (0.084 R)
• M22: 30,172,694 km (0.115 R)
• M23: 37,868,158 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.8

Radius: 6.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 10.88 AU - 16.7 AU

Year: 18082 Days

Day: 20.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,380,563 km

• M1: 84,523 km (0.115 R)
• M2: 302,188 km (0.095 R)
• M3: 2,807,653 km (0.089 R)
• M4: 4,399,524 km (0.09 R)
• M5: 4,795,809 km (0.085 R)
• M6: 5,725,260 km (0.067 R)
• M7: 11,165,835 km (0.112 R)
• M8: 13,069,319 km (0.091 R)
• M9: 15,052,987 km (0.089 R)
• M10: 17,091,557 km (0.071 R)
• M11: 17,927,809 km (0.11 R)
• M12: 22,112,360 km (0.068 R)
• M13: 23,188,717 km (0.099 R)
• M14: 27,466,019 km (0.076 R)
• M15: 32,346,201 km (0.117 R)
• M16: 33,623,767 km (0.055 R)
• M17: 39,911,665 km (0.114 R)

Kuiper Belt

Range: 31.1 - 55.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 11,956 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit