🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.46 AU - 0.76 AU

Year: 167 Days

Day: 47.1 Hours

Environment

Temp: 177 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.6 AU - 0.9 AU

Year: 227 Days

Day: 43.4 Hours

Environment

Temp: 184 °C

Axial Tilt: 115.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 87,134,344 km

• M1: 28,872 km (0.098 R)
• M2: 378,183 km (0.063 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.67 AU - 1.05 AU

Year: 279 Days

Day: 21.8 Hours

Environment

Temp: 167 °C

Axial Tilt: 25.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.74 AU - 1.2 AU

Year: 334 Days

Day: 45.4 Hours

Environment

Temp: 91 °C

Axial Tilt: 43.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.97 AU - 1.51 AU

Year: 483 Days

Day: 32.2 Hours

Environment

Temp: 25 °C

Axial Tilt: 4.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.29 AU - 2.57 AU

Year: 1325 Days

Day: 37.6 Hours

Environment

Temp: -76 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.37 AU - 5.91 AU

Year: 4077 Days

Day: 43.2 Hours

Environment

Temp: -126 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 16.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.7

Radius: 5

Gravity: 29.19 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 14.74 AU - 18.54 AU

Year: 23747 Days

Day: 24.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,134,344 km

• M1: 62,233 km (0.102 R)
• M2: 232,176 km (0.095 R)
• M3: 544,985 km (0.115 R)
• M4: 1,177,784 km (0.081 R)
• M5: 2,207,765 km (0.091 R)
• M6: 4,296,301 km (0.063 R)
• M7: 5,510,288 km (0.102 R)
• M8: 8,156,375 km (0.058 R)
• M9: 9,873,310 km (0.094 R)
• M10: 10,495,487 km (0.082 R)
• M11: 12,024,826 km (0.114 R)
• M12: 13,025,187 km (0.025 R)
• M13: 13,621,185 km (0.115 R)
• M14: 14,947,520 km (0.087 R)
• M15: 19,248,459 km (0.102 R)
• M16: 19,825,907 km (0.081 R)
• M17: 20,118,969 km (0.073 R)
• M18: 20,713,620 km (0.091 R)
• M19: 21,015,359 km (0.09 R)
• M20: 23,210,110 km (0.046 R)
• M21: 24,306,961 km (0.048 R)
• M22: 26,250,238 km (0.103 R)
• M23: 30,313,615 km (0.098 R)
• M24: 33,380,970 km (0.079 R)
• M25: 36,356,771 km (0.054 R)
• M26: 39,813,529 km (0.061 R)
• M27: 43,319,055 km (0.086 R)
• M28: 53,535,393 km (0.072 R)
• M29: 67,423,012 km (0.067 R)
• M30: 68,529,737 km (0.096 R)
• M31: 72,152,399 km (0.064 R)
• M32: 81,263,508 km (0.092 R)
• M33: 82,516,540 km (0.066 R)
• M34: 83,528,270 km (0.087 R)
• M35: 84,292,416 km (0.071 R)

Kuiper Belt

Range: 31.4 - 59.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 18,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit