🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.66 AU - 0.78 AU

Year: 223 Days

Day: 36.4 Hours

Environment

Temp: 200 °C

Axial Tilt: 0.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.68 AU - 0.92 AU

Year: 261 Days

Day: 30.6 Hours

Environment

Temp: 132 °C

Axial Tilt: 45 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,076,410 km

• M1: 102,923 km (0.085 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.82 AU - 1.36 AU

Year: 416 Days

Day: 40.9 Hours

Environment

Temp: 22 °C

Axial Tilt: 14.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.98 AU - 1.36 AU

Year: 462 Days

Day: 45.5 Hours

Environment

Temp: 7 °C

Axial Tilt: 136 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 54,076,410 km

• M1: 28,124 km (0.079 R)
• M2: 435,330 km (0.042 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.98 AU - 1.52 AU

Year: 510 Days

Day: 35.7 Hours

Environment

Temp: -12 °C

Axial Tilt: 32.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 54,076,410 km

• M1: 29,022 km (0.071 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.23 AU - 1.57 AU

Year: 605 Days

Day: 35.4 Hours

Environment

Temp: -35 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,076,410 km

• M1: 41,139 km (0.116 R)

Asteroid Belt

Center: 5.68 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.2

Radius: 8

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 9.61 AU - 10.31 AU

Year: 11481 Days

Day: 12.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,076,410 km

• M1: 99,483 km (0.103 R)
• M2: 690,095 km (0.044 R)
• M3: 1,004,998 km (0.093 R)
• M4: 1,723,068 km (0.109 R)
• M5: 2,878,113 km (0.09 R)
• M6: 3,203,788 km (0.066 R)
• M7: 3,985,287 km (0.061 R)
• M8: 4,511,872 km (0.116 R)
• M9: 5,183,865 km (0.032 R)
• M10: 5,456,882 km (0.093 R)
• M11: 6,646,185 km (0.112 R)
• M12: 7,050,996 km (0.038 R)
• M13: 7,429,329 km (0.105 R)
• M14: 7,865,557 km (0.099 R)
• M15: 9,783,252 km (0.097 R)
• M16: 12,777,902 km (0.056 R)
• M17: 15,060,167 km (0.098 R)
• M18: 16,261,139 km (0.078 R)
• M19: 21,795,363 km (0.1 R)
• M20: 24,741,693 km (0.066 R)
• M21: 25,127,805 km (0.108 R)
• M22: 33,954,977 km (0.108 R)
• M23: 36,883,205 km (0.107 R)
• M24: 38,023,440 km (0.043 R)
• M25: 40,240,930 km (0.083 R)
• M26: 45,940,908 km (0.061 R)
• M27: 48,604,947 km (0.062 R)
• M28: 53,270,755 km (0.062 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 14,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit