🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.46 AU - 0.62 AU

Year: 152 Days

Day: 14.1 Hours

Environment

Temp: 176 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.61 AU - 0.85 AU

Year: 239 Days

Day: 42.8 Hours

Environment

Temp: 105 °C

Axial Tilt: 15.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.72 AU - 1.04 AU

Year: 316 Days

Day: 24.7 Hours

Environment

Temp: 13 °C

Axial Tilt: 27.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.66 AU - 2.7 AU

Year: 1680 Days

Day: 44.1 Hours

Environment

Temp: -98 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.35 AU - 3.73 AU

Year: 2550 Days

Day: 24.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,155,627 km

• M1: 2,048,294 km (0.085 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.73 AU - 3.91 AU

Year: 2859 Days

Day: 15.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.3

Radius: 9.5

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.08 AU - 8.06 AU

Year: 7198 Days

Day: 5.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 28,155,627 km

• M1: 140,472 km (0.114 R)
• M2: 454,927 km (0.074 R)
• M3: 523,293 km (0.104 R)
• M4: 672,143 km (0.114 R)
• M5: 793,617 km (0.087 R)
• M6: 1,251,835 km (0.081 R)
• M7: 1,562,400 km (0.111 R)
• M8: 1,754,783 km (0.106 R)
• M9: 2,147,926 km (0.055 R)
• M10: 2,632,623 km (0.1 R)
• M11: 2,929,575 km (0.047 R)
• M12: 3,324,663 km (0.113 R)
• M13: 4,375,588 km (0.118 R)
• M14: 4,668,351 km (0.073 R)
• M15: 4,807,028 km (0.075 R)
• M16: 4,927,155 km (0.079 R)
• M17: 5,149,907 km (0.025 R)
• M18: 5,795,272 km (0.066 R)
• M19: 5,965,963 km (0.113 R)
• M20: 6,030,440 km (0.093 R)
• M21: 6,181,833 km (0.064 R)
• M22: 6,532,341 km (0.097 R)
• M23: 7,437,109 km (0.077 R)
• M24: 8,022,485 km (0.105 R)
• M25: 8,720,060 km (0.05 R)
• M26: 9,612,860 km (0.116 R)
• M27: 10,664,982 km (0.094 R)
• M28: 11,006,215 km (0.092 R)
• M29: 11,111,831 km (0.049 R)
• M30: 11,324,260 km (0.089 R)
• M31: 12,214,816 km (0.093 R)
• M32: 14,349,877 km (0.086 R)
• M33: 14,581,304 km (0.087 R)
• M34: 14,668,370 km (0.111 R)
• M35: 15,312,539 km (0.091 R)
• M36: 15,578,524 km (0.084 R)
• M37: 15,876,074 km (0.078 R)
• M38: 16,055,442 km (0.119 R)
• M39: 16,506,928 km (0.044 R)
• M40: 17,731,237 km (0.103 R)
• M41: 19,175,006 km (0.118 R)
• M42: 20,169,234 km (0.038 R)
• M43: 20,428,487 km (0.113 R)
• M44: 21,212,978 km (0.108 R)
• M45: 22,173,995 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.1

Radius: 12.9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.68 AU - 12.58 AU

Year: 12345 Days

Day: 10.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 28,155,627 km

• M1: 165,006 km (0.112 R)
• M2: 656,884 km (0.041 R)
• M3: 980,165 km (0.1 R)
• M4: 1,324,091 km (0.102 R)
• M5: 1,487,751 km (0.099 R)
• M6: 1,674,299 km (0.066 R)
• M7: 1,852,321 km (0.099 R)
• M8: 2,071,033 km (0.116 R)
• M9: 2,262,817 km (0.107 R)
• M10: 2,351,978 km (0.104 R)
• M11: 2,571,139 km (0.116 R)
• M12: 2,990,312 km (0.038 R)
• M13: 3,349,646 km (0.08 R)
• M14: 3,431,476 km (0.118 R)
• M15: 4,645,911 km (0.069 R)
• M16: 4,737,465 km (0.09 R)
• M17: 4,969,043 km (0.081 R)
• M18: 5,086,178 km (0.109 R)
• M19: 5,228,146 km (0.038 R)
• M20: 5,686,065 km (0.101 R)
• M21: 5,858,103 km (0.095 R)
• M22: 6,666,530 km (0.098 R)
• M23: 6,848,142 km (0.058 R)
• M24: 7,726,132 km (0.077 R)
• M25: 10,087,983 km (0.07 R)
• M26: 10,476,788 km (0.056 R)
• M27: 10,748,906 km (0.114 R)
• M28: 11,146,238 km (0.06 R)
• M29: 11,238,540 km (0.071 R)
• M30: 11,424,041 km (0.086 R)
• M31: 11,829,452 km (0.115 R)
• M32: 11,923,698 km (0.099 R)
• M33: 12,239,649 km (0.098 R)
• M34: 14,059,507 km (0.041 R)
• M35: 14,226,010 km (0.074 R)
• M36: 14,460,429 km (0.084 R)
• M37: 15,685,636 km (0.098 R)
• M38: 16,031,955 km (0.075 R)
• M39: 16,415,823 km (0.064 R)
• M40: 17,014,963 km (0.093 R)
• M41: 17,192,535 km (0.074 R)
• M42: 18,635,556 km (0.096 R)
• M43: 19,929,877 km (0.114 R)
• M44: 20,192,122 km (0.119 R)
• M45: 20,796,049 km (0.061 R)
• M46: 21,176,626 km (0.105 R)
• M47: 21,828,723 km (0.046 R)
• M48: 22,176,688 km (0.108 R)
• M49: 23,428,523 km (0.065 R)
• M50: 23,784,865 km (0.081 R)
• M51: 24,582,969 km (0.085 R)
• M52: 25,025,629 km (0.111 R)
• M53: 25,837,198 km (0.091 R)
• M54: 27,236,836 km (0.095 R)
• M55: 27,820,417 km (0.107 R)
• M56: 28,113,629 km (0.093 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 19,503 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit