🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.9 AU - 1.2 AU

Year: 375 Days

Day: 23.7 Hours

Environment

Temp: 164 °C

Axial Tilt: 16.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.84 AU - 1.34 AU

Year: 396 Days

Day: 26.1 Hours

Environment

Temp: 86 °C

Axial Tilt: 6.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.1 AU - 1.54 AU

Year: 528 Days

Day: 32.4 Hours

Environment

Temp: 10 °C

Axial Tilt: 9.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 10,269,539 km

• M1: 64,327 km (0.107 R)
• M2: 990,039 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.57 AU - 2.49 AU

Year: 1007 Days

Day: 17.5 Hours

Environment

Temp: -50 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.4 AU - 3.54 AU

Year: 2251 Days

Day: 31.5 Hours

Environment

Temp: -103 °C

Axial Tilt: 45.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.58 AU - 5.12 AU

Year: 3720 Days

Day: 19.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.85 AU - 4.97 AU

Year: 3789 Days

Day: 46.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 10,269,539 km

• M1: 946,955 km (0.068 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.9

Radius: 14.3

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.8 AU - 6.86 AU

Year: 5546 Days

Day: 12.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 10,269,539 km

• M1: 178,769 km (0.071 R)
• M2: 368,759 km (0.064 R)
• M3: 678,426 km (0.029 R)
• M4: 769,980 km (0.083 R)
• M5: 923,019 km (0.09 R)
• M6: 1,135,149 km (0.065 R)
• M7: 1,226,254 km (0.082 R)
• M8: 1,485,058 km (0.115 R)
• M9: 1,641,089 km (0.108 R)
• M10: 1,786,647 km (0.067 R)
• M11: 2,004,611 km (0.087 R)
• M12: 2,276,431 km (0.116 R)
• M13: 2,616,766 km (0.094 R)
• M14: 3,143,350 km (0.094 R)
• M15: 3,315,986 km (0.057 R)
• M16: 3,429,531 km (0.083 R)
• M17: 3,523,329 km (0.053 R)
• M18: 3,735,160 km (0.111 R)
• M19: 4,060,685 km (0.092 R)
• M20: 4,350,456 km (0.116 R)
• M21: 4,589,513 km (0.096 R)
• M22: 5,033,220 km (0.091 R)
• M23: 5,236,225 km (0.076 R)
• M24: 5,356,950 km (0.06 R)
• M25: 5,466,306 km (0.074 R)
• M26: 5,675,145 km (0.109 R)
• M27: 6,024,905 km (0.11 R)
• M28: 6,164,330 km (0.103 R)
• M29: 6,381,845 km (0.097 R)
• M30: 7,453,116 km (0.115 R)
• M31: 7,644,002 km (0.059 R)
• M32: 8,002,738 km (0.107 R)
• M33: 8,708,242 km (0.113 R)
• M34: 9,507,393 km (0.082 R)
• M35: 9,714,736 km (0.094 R)
• M36: 10,148,720 km (0.116 R)

Kuiper Belt

Range: 31.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 17,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit