🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.57 AU - 0.61 AU

Year: 163 Days

Day: 34.4 Hours

Environment

Temp: 240 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,298,870 km

• M1: 117,434 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.07 AU - 1.13 AU

Year: 415 Days

Day: 12.4 Hours

Environment

Temp: 13 °C

Axial Tilt: 24.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.86 AU - 1.44 AU

Year: 444 Days

Day: 24.4 Hours

Environment

Temp: 4 °C

Axial Tilt: 91 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.61 AU - 1.61 AU

Year: 735 Days

Day: 44.4 Hours

Environment

Temp: -40 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,298,870 km

• M1: 370,255 km (0.043 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.24 AU - 2.66 AU

Year: 1380 Days

Day: 43 Hours

Environment

Temp: -74 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,298,870 km

• M1: 45,328 km (0.069 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.19 AU - 3.59 AU

Year: 1768 Days

Day: 43 Hours

Environment

Temp: -95 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,298,870 km

• M1: 724,353 km (0.079 R)
• M2: 2,001,620 km (0.071 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.05 AU - 4.73 AU

Year: 2761 Days

Day: 47.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,298,870 km

• M1: 366,964 km (0.084 R)
• M2: 502,050 km (0.095 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.82 AU - 4.78 AU

Year: 3209 Days

Day: 28.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,298,870 km

• M1: 492,775 km (0.064 R)

Asteroid Belt

Center: 6.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.6

Radius: 8.1

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.55 AU - 11.03 AU

Year: 10190 Days

Day: 6.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,298,870 km

• M1: 102,923 km (0.029 R)
• M2: 454,478 km (0.077 R)
• M3: 715,078 km (0.075 R)
• M4: 1,048,531 km (0.112 R)
• M5: 1,419,235 km (0.097 R)
• M6: 3,264,525 km (0.084 R)
• M7: 3,982,595 km (0.102 R)
• M8: 6,657,404 km (0.074 R)
• M9: 10,908,976 km (0.09 R)
• M10: 12,328,959 km (0.073 R)
• M11: 12,731,377 km (0.107 R)
• M12: 13,441,817 km (0.077 R)
• M13: 14,303,501 km (0.11 R)
• M14: 22,739,924 km (0.055 R)
• M15: 25,226,988 km (0.117 R)
• M16: 26,251,734 km (0.078 R)
• M17: 27,207,215 km (0.117 R)
• M18: 34,668,409 km (0.073 R)
• M19: 43,254,579 km (0.099 R)
• M20: 44,586,449 km (0.115 R)
• M21: 45,671,332 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.6

Radius: 7.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 17.93 AU - 19.77 AU

Year: 29454 Days

Day: 22 Hours

Environment

Temp: -200 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,298,870 km

• M1: 111,002 km (0.08 R)
• M2: 429,047 km (0.078 R)
• M3: 728,841 km (0.076 R)
• M4: 1,368,671 km (0.077 R)
• M5: 2,398,203 km (0.101 R)
• M6: 2,891,128 km (0.067 R)
• M7: 3,899,568 km (0.068 R)
• M8: 5,124,924 km (0.112 R)
• M9: 6,799,672 km (0.108 R)
• M10: 7,878,422 km (0.102 R)
• M11: 10,599,608 km (0.111 R)
• M12: 14,239,025 km (0.071 R)
• M13: 16,145,799 km (0.107 R)
• M14: 17,400,327 km (0.026 R)
• M15: 24,457,905 km (0.119 R)
• M16: 26,747,501 km (0.119 R)
• M17: 28,499,741 km (0.065 R)
• M18: 31,868,236 km (0.06 R)
• M19: 34,340,191 km (0.112 R)
• M20: 35,105,983 km (0.081 R)
• M21: 37,203,644 km (0.096 R)
• M22: 40,222,529 km (0.088 R)
• M23: 41,073,292 km (0.057 R)
• M24: 46,898,484 km (0.112 R)
• M25: 56,720,631 km (0.119 R)

Kuiper Belt

Range: 30.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 15,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit