🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.49 AU - 0.65 AU

Year: 153 Days

Day: 36.3 Hours

Environment

Temp: 186 °C

Axial Tilt: 22.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 92,012,688 km

• M1: 433,535 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.23 AU - 1.95 AU

Year: 711 Days

Day: 23.4 Hours

Environment

Temp: -24 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,012,688 km

• M1: 1,364,632 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2 AU - 2.5 AU

Year: 1197 Days

Day: 25.2 Hours

Environment

Temp: -71 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,012,688 km

• M1: 344,673 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.37 AU - 2.81 AU

Year: 1479 Days

Day: 40.2 Hours

Environment

Temp: -87 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.63 AU - 5.61 AU

Year: 3523 Days

Day: 19.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.4

Radius: 14.6

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.07 AU - 6.19 AU

Year: 5384 Days

Day: 10.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 92,012,688 km

• M1: 204,799 km (0.044 R)
• M2: 862,282 km (0.087 R)
• M3: 1,395,449 km (0.094 R)
• M4: 2,076,269 km (0.112 R)
• M5: 2,548,101 km (0.102 R)
• M6: 3,112,384 km (0.085 R)
• M7: 4,067,865 km (0.112 R)
• M8: 4,817,351 km (0.06 R)
• M9: 5,386,720 km (0.098 R)
• M10: 6,259,474 km (0.096 R)
• M11: 7,819,630 km (0.105 R)
• M12: 9,714,587 km (0.114 R)
• M13: 10,912,566 km (0.104 R)
• M14: 11,448,276 km (0.119 R)
• M15: 12,467,187 km (0.112 R)
• M16: 13,825,087 km (0.103 R)
• M17: 15,582,264 km (0.094 R)
• M18: 16,514,857 km (0.098 R)
• M19: 17,222,006 km (0.117 R)
• M20: 19,607,643 km (0.065 R)
• M21: 20,991,274 km (0.097 R)
• M22: 21,821,542 km (0.09 R)
• M23: 25,026,527 km (0.095 R)
• M24: 25,874,448 km (0.112 R)
• M25: 26,917,145 km (0.097 R)
• M26: 28,259,636 km (0.113 R)
• M27: 31,565,151 km (0.113 R)
• M28: 34,285,438 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.7

Radius: 7.2

Gravity: 18.84 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 15.26 AU - 17.7 AU

Year: 23734 Days

Day: 19.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 92,012,688 km

• M1: 90,507 km (0.117 R)
• M2: 594,801 km (0.106 R)
• M3: 1,096,852 km (0.076 R)
• M4: 1,382,434 km (0.075 R)
• M5: 5,026,488 km (0.113 R)
• M6: 5,822,349 km (0.101 R)
• M7: 7,929,286 km (0.118 R)
• M8: 16,396,076 km (0.052 R)
• M9: 25,585,275 km (0.047 R)
• M10: 26,548,685 km (0.109 R)
• M11: 31,869,433 km (0.109 R)
• M12: 35,736,388 km (0.055 R)
• M13: 44,214,698 km (0.113 R)
• M14: 51,245,499 km (0.1 R)
• M15: 65,445,029 km (0.117 R)
• M16: 66,565,368 km (0.099 R)
• M17: 69,538,027 km (0.108 R)
• M18: 73,798,425 km (0.072 R)
• M19: 76,981,568 km (0.07 R)
• M20: 77,479,131 km (0.083 R)
• M21: 84,673,741 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.4

Radius: 3.8

Gravity: 46.57 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 14.88 AU - 20.9 AU

Year: 26844 Days

Day: 21.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 92,012,688 km

• M1: 50,564 km (0.098 R)
• M2: 169,644 km (0.111 R)
• M3: 310,565 km (0.105 R)
• M4: 851,212 km (0.119 R)
• M5: 1,026,541 km (0.1 R)
• M6: 1,240,765 km (0.109 R)
• M7: 1,467,106 km (0.065 R)
• M8: 1,590,225 km (0.093 R)
• M9: 2,221,379 km (0.092 R)
• M10: 2,734,350 km (0.082 R)
• M11: 3,382,408 km (0.093 R)
• M12: 4,092,549 km (0.079 R)
• M13: 4,705,601 km (0.08 R)
• M14: 4,975,027 km (0.099 R)
• M15: 5,715,087 km (0.084 R)
• M16: 6,201,879 km (0.061 R)
• M17: 7,513,254 km (0.096 R)
• M18: 15,016,634 km (0.08 R)
• M19: 16,722,499 km (0.057 R)
• M20: 16,899,922 km (0.07 R)
• M21: 19,224,673 km (0.108 R)
• M22: 19,517,137 km (0.118 R)
• M23: 21,543,739 km (0.05 R)
• M24: 23,930,124 km (0.103 R)
• M25: 24,268,664 km (0.099 R)
• M26: 28,205,482 km (0.079 R)
• M27: 28,836,785 km (0.116 R)
• M28: 30,654,548 km (0.104 R)
• M29: 30,920,234 km (0.087 R)
• M30: 31,456,393 km (0.085 R)
• M31: 34,660,031 km (0.089 R)
• M32: 40,897,814 km (0.073 R)
• M33: 45,562,275 km (0.064 R)
• M34: 46,430,841 km (0.081 R)
• M35: 48,740,632 km (0.106 R)
• M36: 51,499,665 km (0.089 R)
• M37: 54,555,501 km (0.091 R)
• M38: 63,577,599 km (0.058 R)
• M39: 69,349,683 km (0.085 R)
• M40: 77,904,288 km (0.06 R)
• M41: 79,645,458 km (0.09 R)
• M42: 82,177,551 km (0.112 R)
• M43: 87,936,022 km (0.1 R)

Kuiper Belt

Range: 30.9 - 56.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 19,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit