🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.47 AU - 0.57 AU

Year: 165 Days

Day: 41.8 Hours

Environment

Temp: 21 °C

Axial Tilt: 20.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.46 AU - 0.66 AU

Year: 184 Days

Day: 41.4 Hours

Environment

Temp: 8 °C

Axial Tilt: 38.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.62 AU - 0.96 AU

Year: 309 Days

Day: 18.9 Hours

Environment

Temp: -38 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.64 AU - 0.98 AU

Year: 321 Days

Day: 39.4 Hours

Environment

Temp: -45 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.76 AU - 2.1 AU

Year: 1179 Days

Day: 39 Hours

Environment

Temp: -119 °C

Axial Tilt: 41.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,700,195 km

• M1: 1,316,012 km (0.109 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.31 AU - 2.59 AU

Year: 1686 Days

Day: 25.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.3

Radius: 9

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.42 AU - 3.54 AU

Year: 2855 Days

Day: 11.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,700,195 km

• M1: 112,049 km (0.104 R)
• M2: 541,544 km (0.089 R)
• M3: 1,039,556 km (0.111 R)
• M4: 1,405,771 km (0.027 R)
• M5: 2,684,833 km (0.078 R)
• M6: 4,746,142 km (0.073 R)
• M7: 5,411,703 km (0.052 R)
• M8: 6,496,886 km (0.112 R)
• M9: 7,689,331 km (0.087 R)
• M10: 8,041,484 km (0.112 R)
• M11: 8,437,918 km (0.1 R)
• M12: 9,234,228 km (0.101 R)
• M13: 10,079,605 km (0.055 R)
• M14: 10,856,018 km (0.087 R)
• M15: 12,747,983 km (0.093 R)
• M16: 13,983,362 km (0.061 R)
• M17: 19,432,763 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.9

Radius: 14.7

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.82 AU - 6.28 AU

Year: 4990 Days

Day: 9.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,700,195 km

• M1: 182,958 km (0.087 R)
• M2: 675,434 km (0.088 R)
• M3: 1,177,934 km (0.069 R)
• M4: 2,391,771 km (0.08 R)
• M5: 3,037,435 km (0.097 R)
• M6: 4,659,076 km (0.079 R)
• M7: 5,786,595 km (0.114 R)
• M8: 7,485,429 km (0.058 R)
• M9: 9,068,623 km (0.108 R)
• M10: 10,144,980 km (0.074 R)
• M11: 11,574,238 km (0.085 R)
• M12: 12,408,545 km (0.05 R)
• M13: 13,432,393 km (0.113 R)
• M14: 15,317,476 km (0.073 R)
• M15: 18,343,990 km (0.106 R)
• M16: 18,842,749 km (0.082 R)
• M17: 19,672,419 km (0.091 R)
• M18: 22,027,538 km (0.12 R)
• M19: 22,805,148 km (0.098 R)
• M20: 24,340,471 km (0.095 R)
• M21: 26,099,892 km (0.102 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.9

Radius: 10.4

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.39 AU - 9.61 AU

Year: 10897 Days

Day: 6.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,700,195 km

• M1: 129,402 km (0.04 R)
• M2: 790,176 km (0.113 R)
• M3: 1,133,204 km (0.114 R)
• M4: 2,085,544 km (0.104 R)
• M5: 3,841,973 km (0.105 R)
• M6: 4,201,007 km (0.08 R)
• M7: 5,691,301 km (0.071 R)
• M8: 6,196,643 km (0.064 R)
• M9: 7,591,793 km (0.115 R)
• M10: 9,186,057 km (0.117 R)
• M11: 10,036,072 km (0.053 R)
• M12: 10,720,931 km (0.114 R)
• M13: 11,213,108 km (0.111 R)
• M14: 11,720,245 km (0.058 R)
• M15: 12,539,443 km (0.087 R)
• M16: 15,295,335 km (0.062 R)
• M17: 15,919,457 km (0.115 R)
• M18: 19,059,068 km (0.067 R)
• M19: 21,453,531 km (0.025 R)
• M20: 23,857,120 km (0.088 R)
• M21: 28,252,904 km (0.104 R)
• M22: 29,192,678 km (0.087 R)
• M23: 31,466,117 km (0.089 R)
• M24: 32,249,561 km (0.115 R)
• M25: 34,323,586 km (0.085 R)
• M26: 34,915,245 km (0.098 R)
• M27: 35,997,137 km (0.079 R)
• M28: 38,227,941 km (0.071 R)
• M29: 38,735,975 km (0.084 R)
• M30: 40,549,400 km (0.062 R)
• M31: 40,945,236 km (0.084 R)
• M32: 46,906,113 km (0.047 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 19,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit