🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.5 AU - 0.6 AU

Year: 155 Days

Day: 33.9 Hours

Environment

Temp: 149 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 31,757,941 km

• M1: 36,502 km (0.102 R)
• M2: 330,761 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.81 AU - 0.99 AU

Year: 325 Days

Day: 27.1 Hours

Environment

Temp: 12 °C

Axial Tilt: 46.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.09 AU - 1.17 AU

Year: 457 Days

Day: 32.3 Hours

Environment

Temp: -5 °C

Axial Tilt: 7.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 31,757,941 km

• M1: 50,414 km (0.057 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.6 AU - 1.78 AU

Year: 837 Days

Day: 23.4 Hours

Environment

Temp: -63 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,757,941 km

• M1: 1,074,262 km (0.066 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.8 AU - 1.86 AU

Year: 943 Days

Day: 30.6 Hours

Environment

Temp: -78 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.85 AU - 2.93 AU

Year: 1871 Days

Day: 35.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.3

Radius: 8.5

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.78 AU - 8.7 AU

Year: 8200 Days

Day: 14.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 31,757,941 km

• M1: 358,885 km (0.063 R)
• M2: 459,565 km (0.086 R)
• M3: 536,458 km (0.073 R)
• M4: 742,903 km (0.117 R)
• M5: 862,581 km (0.106 R)
• M6: 946,057 km (0.049 R)
• M7: 1,047,185 km (0.09 R)
• M8: 1,276,219 km (0.086 R)
• M9: 1,521,410 km (0.11 R)
• M10: 1,606,532 km (0.078 R)
• M11: 1,853,368 km (0.085 R)
• M12: 2,502,772 km (0.095 R)
• M13: 2,563,360 km (0.111 R)
• M14: 3,327,505 km (0.1 R)
• M15: 3,665,597 km (0.104 R)
• M16: 4,157,624 km (0.116 R)
• M17: 4,277,751 km (0.091 R)
• M18: 5,048,779 km (0.05 R)
• M19: 5,701,624 km (0.066 R)
• M20: 5,997,229 km (0.102 R)
• M21: 6,270,395 km (0.086 R)
• M22: 6,325,596 km (0.073 R)
• M23: 6,687,773 km (0.114 R)
• M24: 7,056,831 km (0.08 R)
• M25: 7,549,457 km (0.093 R)
• M26: 7,993,313 km (0.101 R)
• M27: 8,354,592 km (0.084 R)
• M28: 9,343,883 km (0.075 R)
• M29: 9,660,582 km (0.068 R)
• M30: 9,852,217 km (0.102 R)
• M31: 9,948,558 km (0.077 R)
• M32: 10,207,063 km (0.037 R)
• M33: 10,500,424 km (0.093 R)
• M34: 12,146,150 km (0.082 R)
• M35: 12,318,637 km (0.077 R)
• M36: 12,805,727 km (0.051 R)
• M37: 13,834,661 km (0.066 R)
• M38: 14,779,522 km (0.106 R)
• M39: 15,520,629 km (0.089 R)
• M40: 15,933,370 km (0.089 R)
• M41: 16,311,703 km (0.118 R)
• M42: 16,501,992 km (0.084 R)
• M43: 16,884,663 km (0.091 R)
• M44: 17,309,222 km (0.091 R)
• M45: 18,208,006 km (0.088 R)
• M46: 19,202,083 km (0.117 R)
• M47: 19,847,598 km (0.114 R)
• M48: 20,010,062 km (0.086 R)
• M49: 20,336,335 km (0.036 R)
• M50: 20,582,273 km (0.082 R)
• M51: 21,035,555 km (0.099 R)
• M52: 22,078,103 km (0.111 R)
• M53: 22,204,363 km (0.055 R)
• M54: 23,780,975 km (0.12 R)
• M55: 23,867,293 km (0.089 R)
• M56: 24,126,546 km (0.118 R)
• M57: 24,954,122 km (0.102 R)
• M58: 25,217,414 km (0.072 R)
• M59: 25,569,866 km (0.045 R)
• M60: 27,582,556 km (0.108 R)
• M61: 28,676,715 km (0.102 R)
• M62: 28,768,419 km (0.095 R)
• M63: 29,090,652 km (0.067 R)
• M64: 29,645,660 km (0.064 R)
• M65: 30,625,377 km (0.043 R)
• M66: 31,237,083 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 12,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit