🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.47 AU - 0.54 AU

Year: 130 Days

Day: 20.9 Hours

Environment

Temp: 262 °C

Axial Tilt: 36 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 31,697,170 km

• M1: 169,943 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.5 AU - 0.64 AU

Year: 159 Days

Day: 33.6 Hours

Environment

Temp: 212 °C

Axial Tilt: 1.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.71 AU - 1.07 AU

Year: 310 Days

Day: 12.6 Hours

Environment

Temp: 92 °C

Axial Tilt: 175.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.05 AU - 1.27 AU

Year: 461 Days

Day: 13.7 Hours

Environment

Temp: -3 °C

Axial Tilt: 15.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.02 AU - 2.52 AU

Year: 1262 Days

Day: 38.7 Hours

Environment

Temp: -75 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.69 AU - 2.87 AU

Year: 1710 Days

Day: 36.3 Hours

Environment

Temp: -97 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.39 AU - 3.63 AU

Year: 2426 Days

Day: 27.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.97 AU - 4.57 AU

Year: 3256 Days

Day: 23.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309

Radius: 12.4

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.24 AU - 8.32 AU

Year: 8007 Days

Day: 6.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 31,697,170 km

• M1: 154,235 km (0.094 R)
• M2: 579,393 km (0.03 R)
• M3: 980,614 km (0.114 R)
• M4: 1,739,075 km (0.06 R)
• M5: 2,610,034 km (0.042 R)
• M6: 3,577,633 km (0.12 R)
• M7: 4,692,586 km (0.079 R)
• M8: 5,753,235 km (0.083 R)
• M9: 6,899,603 km (0.107 R)
• M10: 7,313,840 km (0.103 R)
• M11: 8,116,732 km (0.108 R)
• M12: 9,263,998 km (0.089 R)
• M13: 10,381,793 km (0.117 R)
• M14: 10,788,998 km (0.048 R)
• M15: 13,568,078 km (0.064 R)
• M16: 14,723,572 km (0.117 R)
• M17: 15,122,998 km (0.087 R)
• M18: 15,943,543 km (0.073 R)
• M19: 17,041,890 km (0.112 R)
• M20: 19,050,840 km (0.079 R)
• M21: 20,077,680 km (0.112 R)
• M22: 22,166,964 km (0.069 R)
• M23: 23,379,754 km (0.079 R)
• M24: 23,767,661 km (0.106 R)
• M25: 26,436,936 km (0.11 R)
• M26: 27,027,847 km (0.109 R)
• M27: 27,714,053 km (0.055 R)
• M28: 28,853,689 km (0.096 R)
• M29: 30,482,960 km (0.029 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 16,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit