🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.66 AU - 0.76 AU

Year: 213 Days

Day: 35.9 Hours

Environment

Temp: 132 °C

Axial Tilt: 29.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 98,771,138 km

• M1: 43,982 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.79 AU - 0.95 AU

Year: 289 Days

Day: 21.8 Hours

Environment

Temp: 168 °C

Axial Tilt: 18.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.83 AU - 1.27 AU

Year: 384 Days

Day: 39.9 Hours

Environment

Temp: 22 °C

Axial Tilt: 19.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 98,771,138 km

• M1: 35,903 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.85 AU - 1.29 AU

Year: 395 Days

Day: 42.3 Hours

Environment

Temp: 33 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.96 AU - 1.6 AU

Year: 516 Days

Day: 15 Hours

Environment

Temp: 6 °C

Axial Tilt: 46.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 98,771,138 km

• M1: 100,979 km (0.114 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.4 AU - 3.88 AU

Year: 1983 Days

Day: 20.2 Hours

Environment

Temp: -93 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.41 AU - 5.05 AU

Year: 3101 Days

Day: 41.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 94.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.03 AU - 6.01 AU

Year: 4009 Days

Day: 44 Hours

Environment

Temp: -141 °C

Axial Tilt: 150.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,771,138 km

• M1: 33,660 km (0.074 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.7

Radius: 9.1

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.4 AU - 7.56 AU

Year: 5880 Days

Day: 13.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 98,771,138 km

• M1: 113,246 km (0.114 R)
• M2: 435,779 km (0.116 R)
• M3: 771,476 km (0.086 R)
• M4: 1,105,977 km (0.066 R)
• M5: 1,449,603 km (0.079 R)
• M6: 1,763,161 km (0.079 R)
• M7: 2,562,163 km (0.109 R)
• M8: 3,117,320 km (0.089 R)
• M9: 4,031,513 km (0.076 R)
• M10: 4,373,045 km (0.081 R)
• M11: 5,794,374 km (0.079 R)
• M12: 7,267,165 km (0.084 R)
• M13: 7,949,182 km (0.097 R)
• M14: 8,378,528 km (0.028 R)
• M15: 8,785,434 km (0.102 R)
• M16: 9,361,835 km (0.064 R)
• M17: 10,127,626 km (0.051 R)
• M18: 13,114,647 km (0.099 R)
• M19: 13,714,684 km (0.075 R)
• M20: 14,072,971 km (0.082 R)
• M21: 16,875,687 km (0.098 R)
• M22: 22,059,104 km (0.072 R)
• M23: 25,429,843 km (0.059 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.7

Radius: 3.5

Gravity: 59.08 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 15.21 AU - 22.15 AU

Year: 28778 Days

Day: 21.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 98,771,138 km

• M1: 43,533 km (0.118 R)
• M2: 255,513 km (0.117 R)
• M3: 495,169 km (0.087 R)
• M4: 609,761 km (0.049 R)
• M5: 944,860 km (0.031 R)
• M6: 1,604,736 km (0.033 R)
• M7: 2,210,757 km (0.11 R)
• M8: 2,353,175 km (0.095 R)
• M9: 5,166,961 km (0.09 R)
• M10: 5,765,801 km (0.114 R)
• M11: 8,511,072 km (0.087 R)
• M12: 8,685,054 km (0.11 R)
• M13: 11,945,540 km (0.099 R)
• M14: 12,910,147 km (0.077 R)
• M15: 15,077,072 km (0.111 R)
• M16: 15,331,837 km (0.117 R)
• M17: 16,379,920 km (0.083 R)
• M18: 20,527,072 km (0.111 R)
• M19: 21,475,522 km (0.058 R)
• M20: 22,233,086 km (0.116 R)
• M21: 24,031,402 km (0.068 R)
• M22: 30,272,176 km (0.099 R)
• M23: 31,499,328 km (0.102 R)
• M24: 36,434,711 km (0.073 R)
• M25: 42,532,769 km (0.1 R)
• M26: 44,243,570 km (0.099 R)
• M27: 45,644,854 km (0.105 R)
• M28: 50,592,055 km (0.116 R)
• M29: 56,290,836 km (0.094 R)
• M30: 57,727,874 km (0.092 R)
• M31: 58,978,811 km (0.11 R)
• M32: 60,460,877 km (0.1 R)
• M33: 61,534,691 km (0.098 R)
• M34: 63,059,093 km (0.114 R)
• M35: 65,956,804 km (0.065 R)
• M36: 68,709,255 km (0.103 R)
• M37: 72,256,071 km (0.029 R)
• M38: 76,171,945 km (0.054 R)
• M39: 77,676,002 km (0.072 R)
• M40: 79,969,187 km (0.036 R)
• M41: 81,002,759 km (0.101 R)
• M42: 81,262,461 km (0.047 R)
• M43: 82,045,157 km (0.1 R)
• M44: 90,149,622 km (0.086 R)

Kuiper Belt

Range: 30.8 - 45.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 12,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit