🌌 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: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.56 AU - 0.68 AU

Year: 182 Days

Day: 14.8 Hours

Environment

Temp: 147 °C

Axial Tilt: 21.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.74 AU - 1.08 AU

Year: 324 Days

Day: 33.1 Hours

Environment

Temp: 42 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 32,366,787 km

• M1: 234,719 km (0.06 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.89 AU - 1.35 AU

Year: 442 Days

Day: 42.3 Hours

Environment

Temp: 21 °C

Axial Tilt: 19.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.35 AU - 1.41 AU

Year: 604 Days

Day: 27.6 Hours

Environment

Temp: -41 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.33 AU - 2.17 AU

Year: 863 Days

Day: 41.6 Hours

Environment

Temp: -50 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,366,787 km

• M1: 60,737 km (0.102 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.67 AU - 1.85 AU

Year: 870 Days

Day: 39.2 Hours

Environment

Temp: -67 °C

Axial Tilt: 104 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2 AU - 2.02 AU

Year: 1062 Days

Day: 42.1 Hours

Environment

Temp: -81 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,366,787 km

• M1: 121,623 km (0.068 R)

Planet 8 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.89 AU - 2.69 AU

Year: 1292 Days

Day: 46.5 Hours

Environment

Temp: -87 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.5

Radius: 14.5

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.48 AU - 4.52 AU

Year: 3559 Days

Day: 13.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,366,787 km

• M1: 181,761 km (0.089 R)
• M2: 682,914 km (0.092 R)
• M3: 1,094,608 km (0.112 R)
• M4: 1,731,296 km (0.111 R)
• M5: 2,284,659 km (0.053 R)
• M6: 2,784,914 km (0.103 R)
• M7: 3,626,552 km (0.116 R)
• M8: 4,165,702 km (0.098 R)
• M9: 5,068,376 km (0.106 R)
• M10: 5,489,643 km (0.105 R)
• M11: 6,199,785 km (0.07 R)
• M12: 6,618,808 km (0.115 R)
• M13: 7,499,192 km (0.066 R)
• M14: 8,012,612 km (0.065 R)
• M15: 8,597,390 km (0.1 R)
• M16: 9,714,886 km (0.059 R)
• M17: 11,085,950 km (0.088 R)
• M18: 11,710,821 km (0.098 R)
• M19: 12,713,725 km (0.113 R)
• M20: 13,552,969 km (0.111 R)
• M21: 15,096,071 km (0.093 R)
• M22: 16,010,413 km (0.114 R)
• M23: 16,534,305 km (0.088 R)
• M24: 17,568,624 km (0.077 R)
• M25: 18,634,808 km (0.085 R)
• M26: 21,806,283 km (0.062 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.2

Radius: 9.2

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.82 AU - 5.96 AU

Year: 4665 Days

Day: 8.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 32,366,787 km

• M1: 121,623 km (0.111 R)
• M2: 364,121 km (0.098 R)
• M3: 540,946 km (0.039 R)
• M4: 1,443,470 km (0.083 R)
• M5: 2,130,124 km (0.105 R)
• M6: 2,483,025 km (0.108 R)
• M7: 2,734,051 km (0.08 R)
• M8: 3,075,433 km (0.06 R)
• M9: 3,254,053 km (0.051 R)
• M10: 4,271,169 km (0.118 R)
• M11: 5,274,821 km (0.052 R)
• M12: 5,722,717 km (0.064 R)
• M13: 6,330,084 km (0.085 R)
• M14: 7,607,351 km (0.094 R)
• M15: 7,795,096 km (0.112 R)
• M16: 7,985,086 km (0.088 R)
• M17: 9,071,764 km (0.089 R)
• M18: 9,623,930 km (0.12 R)
• M19: 10,519,872 km (0.056 R)
• M20: 10,926,778 km (0.086 R)
• M21: 16,235,707 km (0.109 R)
• M22: 18,111,515 km (0.025 R)
• M23: 21,170,791 km (0.116 R)
• M24: 21,379,780 km (0.109 R)
• M25: 22,925,874 km (0.102 R)
• M26: 25,661,570 km (0.089 R)
• M27: 25,949,396 km (0.104 R)
• M28: 27,057,916 km (0.073 R)
• M29: 28,916,520 km (0.071 R)
• M30: 30,086,376 km (0.119 R)
• M31: 30,273,224 km (0.111 R)
• M32: 30,900,188 km (0.098 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 18,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit