🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.59 AU - 0.98 AU

Year: 265 Days

Day: 27.6 Hours

Environment

Temp: 68 °C

Axial Tilt: 35.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.76 AU - 1 AU

Year: 318 Days

Day: 41 Hours

Environment

Temp: 7 °C

Axial Tilt: 4.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.93 AU - 1.03 AU

Year: 374 Days

Day: 38.2 Hours

Environment

Temp: -7 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 57,198,197 km

• M1: 335,847 km (0.07 R)

Asteroid Belt

Center: 1.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.64 AU - 1.94 AU

Year: 922 Days

Day: 31.7 Hours

Environment

Temp: -70 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,198,197 km

• M1: 230,830 km (0.059 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.84 AU - 3.47 AU

Year: 2152 Days

Day: 36.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.1

Radius: 8.1

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 7.93 AU - 10.17 AU

Year: 10482 Days

Day: 5.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,198,197 km

• M1: 100,979 km (0.067 R)
• M2: 380,876 km (0.057 R)
• M3: 683,213 km (0.115 R)
• M4: 1,126,921 km (0.061 R)
• M5: 2,734,649 km (0.047 R)
• M6: 3,551,753 km (0.054 R)
• M7: 4,882,426 km (0.062 R)
• M8: 5,491,439 km (0.104 R)
• M9: 6,592,629 km (0.091 R)
• M10: 9,805,392 km (0.112 R)
• M11: 10,307,144 km (0.095 R)
• M12: 10,985,121 km (0.062 R)
• M13: 11,916,069 km (0.119 R)
• M14: 12,604,069 km (0.062 R)
• M15: 15,691,021 km (0.084 R)
• M16: 16,941,510 km (0.111 R)
• M17: 18,862,945 km (0.077 R)
• M18: 25,586,322 km (0.054 R)
• M19: 28,007,414 km (0.086 R)
• M20: 28,711,721 km (0.074 R)
• M21: 30,051,071 km (0.075 R)
• M22: 32,192,115 km (0.114 R)
• M23: 32,632,232 km (0.118 R)
• M24: 33,299,888 km (0.079 R)
• M25: 35,008,894 km (0.092 R)
• M26: 39,097,703 km (0.025 R)
• M27: 41,256,550 km (0.071 R)
• M28: 42,827,626 km (0.094 R)
• M29: 43,226,454 km (0.109 R)
• M30: 46,647,608 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.7

Radius: 4

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 15.02 AU - 17.49 AU

Year: 25220 Days

Day: 19.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,198,197 km

• M1: 50,414 km (0.079 R)
• M2: 228,436 km (0.089 R)
• M3: 513,569 km (0.088 R)
• M4: 648,956 km (0.077 R)
• M5: 857,196 km (0.115 R)
• M6: 1,298,210 km (0.118 R)
• M7: 2,421,242 km (0.033 R)
• M8: 2,610,034 km (0.077 R)
• M9: 2,854,028 km (0.116 R)
• M10: 3,260,934 km (0.064 R)
• M11: 3,815,643 km (0.09 R)
• M12: 3,984,988 km (0.118 R)
• M13: 6,509,153 km (0.08 R)
• M14: 7,083,609 km (0.116 R)
• M15: 8,238,953 km (0.097 R)
• M16: 9,411,800 km (0.115 R)
• M17: 10,415,901 km (0.088 R)
• M18: 12,696,970 km (0.115 R)
• M19: 14,120,094 km (0.088 R)
• M20: 16,227,330 km (0.1 R)
• M21: 18,057,211 km (0.106 R)
• M22: 19,683,340 km (0.04 R)
• M23: 20,445,990 km (0.114 R)
• M24: 21,052,759 km (0.065 R)
• M25: 24,751,267 km (0.11 R)
• M26: 26,753,186 km (0.088 R)
• M27: 27,062,404 km (0.069 R)
• M28: 27,374,166 km (0.103 R)
• M29: 28,323,514 km (0.07 R)
• M30: 30,623,881 km (0.097 R)
• M31: 35,716,492 km (0.111 R)
• M32: 38,266,088 km (0.088 R)
• M33: 38,396,687 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.8

Radius: 5.7

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 15.83 AU - 18.99 AU

Year: 27968 Days

Day: 17.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,198,197 km

• M1: 70,909 km (0.026 R)
• M2: 300,542 km (0.096 R)
• M3: 607,517 km (0.114 R)
• M4: 1,675,795 km (0.117 R)
• M5: 1,942,828 km (0.109 R)
• M6: 3,754,458 km (0.114 R)
• M7: 4,518,454 km (0.092 R)
• M8: 6,791,893 km (0.058 R)
• M9: 7,341,067 km (0.1 R)
• M10: 7,560,078 km (0.116 R)
• M11: 10,484,268 km (0.112 R)
• M12: 11,217,148 km (0.094 R)
• M13: 11,744,031 km (0.116 R)
• M14: 15,759,537 km (0.1 R)
• M15: 20,003,330 km (0.073 R)
• M16: 26,049,926 km (0.106 R)
• M17: 48,587,892 km (0.026 R)
• M18: 49,050,449 km (0.083 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: 235 - 14,166 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit