🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.74 AU - 0.9 AU

Year: 259 Days

Day: 46.4 Hours

Environment

Temp: 121 °C

Axial Tilt: 7.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.42 AU - 2.12 AU

Year: 820 Days

Day: 44 Hours

Environment

Temp: -38 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,263,244 km

• M1: 30,219 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.65 AU - 2.12 AU

Year: 898 Days

Day: 36.4 Hours

Environment

Temp: -52 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.9

Radius: 8.4

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.81 AU - 7.71 AU

Year: 6812 Days

Day: 6.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,263,244 km

• M1: 104,569 km (0.103 R)
• M2: 456,124 km (0.077 R)
• M3: 1,053,618 km (0.117 R)
• M4: 1,576,762 km (0.102 R)
• M5: 1,978,581 km (0.084 R)
• M6: 2,479,286 km (0.089 R)
• M7: 3,174,018 km (0.116 R)
• M8: 3,546,666 km (0.107 R)
• M9: 4,403,713 km (0.091 R)
• M10: 5,047,582 km (0.102 R)
• M11: 5,392,255 km (0.09 R)
• M12: 6,278,323 km (0.099 R)
• M13: 7,871,840 km (0.068 R)
• M14: 8,227,584 km (0.111 R)
• M15: 15,983,934 km (0.057 R)
• M16: 16,671,037 km (0.117 R)
• M17: 18,599,204 km (0.068 R)
• M18: 20,806,072 km (0.101 R)
• M19: 21,212,828 km (0.029 R)
• M20: 22,252,982 km (0.111 R)
• M21: 23,472,654 km (0.047 R)
• M22: 24,509,966 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.3

Radius: 11.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.54 AU - 9.3 AU

Year: 7762 Days

Day: 14.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,263,244 km

• M1: 148,251 km (0.113 R)
• M2: 524,789 km (0.057 R)
• M3: 998,267 km (0.071 R)
• M4: 1,449,603 km (0.114 R)
• M5: 2,761,128 km (0.096 R)
• M6: 3,290,405 km (0.08 R)
• M7: 3,838,532 km (0.082 R)
• M8: 4,473,575 km (0.089 R)
• M9: 5,207,053 km (0.115 R)
• M10: 5,760,864 km (0.112 R)
• M11: 6,285,654 km (0.112 R)
• M12: 7,507,569 km (0.107 R)
• M13: 8,461,106 km (0.107 R)
• M14: 9,583,539 km (0.093 R)
• M15: 13,891,060 km (0.075 R)
• M16: 15,952,219 km (0.111 R)
• M17: 20,000,637 km (0.069 R)
• M18: 24,348,400 km (0.111 R)
• M19: 26,339,996 km (0.087 R)
• M20: 27,057,617 km (0.107 R)
• M21: 28,251,408 km (0.085 R)
• M22: 34,538,558 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199

Radius: 3.3

Gravity: 18.27 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 14.89 AU - 16.03 AU

Year: 21169 Days

Day: 24.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,263,244 km

• M1: 93,349 km (0.091 R)
• M2: 235,766 km (0.117 R)
• M3: 1,707,061 km (0.109 R)
• M4: 2,007,155 km (0.116 R)
• M5: 2,245,165 km (0.079 R)
• M6: 3,363,110 km (0.089 R)
• M7: 4,084,171 km (0.1 R)
• M8: 5,131,506 km (0.079 R)
• M9: 5,265,546 km (0.079 R)
• M10: 11,393,972 km (0.116 R)
• M11: 12,028,866 km (0.105 R)
• M12: 15,008,257 km (0.119 R)
• M13: 16,268,469 km (0.105 R)
• M14: 18,917,698 km (0.116 R)
• M15: 20,385,851 km (0.07 R)
• M16: 20,722,147 km (0.114 R)
• M17: 21,147,604 km (0.071 R)
• M18: 22,908,072 km (0.11 R)
• M19: 25,050,612 km (0.057 R)
• M20: 28,144,296 km (0.116 R)
• M21: 30,817,461 km (0.1 R)
• M22: 32,958,655 km (0.112 R)
• M23: 37,283,679 km (0.047 R)
• M24: 38,548,828 km (0.113 R)
• M25: 41,432,477 km (0.1 R)
• M26: 42,652,447 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.6

Radius: 6.2

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 15.03 AU - 16.11 AU

Year: 21396 Days

Day: 23.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,263,244 km

• M1: 78,838 km (0.07 R)
• M2: 338,989 km (0.099 R)
• M3: 554,410 km (0.11 R)
• M4: 1,127,818 km (0.105 R)
• M5: 1,926,970 km (0.108 R)
• M6: 2,188,617 km (0.072 R)
• M7: 3,251,360 km (0.105 R)
• M8: 3,575,539 km (0.05 R)
• M9: 4,288,522 km (0.105 R)
• M10: 4,593,103 km (0.119 R)
• M11: 5,245,799 km (0.104 R)
• M12: 7,694,566 km (0.111 R)
• M13: 9,188,451 km (0.082 R)
• M14: 9,462,664 km (0.045 R)
• M15: 10,027,545 km (0.087 R)
• M16: 10,865,892 km (0.111 R)
• M17: 11,276,239 km (0.089 R)
• M18: 15,064,954 km (0.115 R)
• M19: 16,428,689 km (0.062 R)
• M20: 16,765,134 km (0.111 R)
• M21: 17,591,363 km (0.111 R)
• M22: 18,085,635 km (0.055 R)
• M23: 18,881,046 km (0.094 R)
• M24: 23,634,968 km (0.096 R)
• M25: 26,932,105 km (0.113 R)
• M26: 27,494,144 km (0.052 R)
• M27: 32,275,591 km (0.048 R)
• M28: 32,909,587 km (0.105 R)
• M29: 33,122,764 km (0.065 R)
• M30: 38,994,929 km (0.113 R)
• M31: 39,233,687 km (0.106 R)
• M32: 39,714,196 km (0.059 R)
• M33: 40,442,288 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.9

Radius: 6.8

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 12.55 AU - 19.31 AU

Year: 22142 Days

Day: 24.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,263,244 km

• M1: 90,357 km (0.114 R)
• M2: 874,400 km (0.087 R)
• M3: 1,269,637 km (0.065 R)
• M4: 1,606,382 km (0.079 R)
• M5: 2,415,706 km (0.052 R)
• M6: 3,089,495 km (0.097 R)
• M7: 3,672,329 km (0.066 R)
• M8: 4,803,288 km (0.119 R)
• M9: 5,018,261 km (0.065 R)
• M10: 7,976,858 km (0.036 R)
• M11: 8,228,182 km (0.1 R)
• M12: 9,565,138 km (0.085 R)
• M13: 9,791,779 km (0.084 R)
• M14: 11,607,598 km (0.073 R)
• M15: 14,510,844 km (0.11 R)
• M16: 18,208,903 km (0.118 R)
• M17: 22,291,728 km (0.062 R)
• M18: 30,221,762 km (0.092 R)
• M19: 36,027,655 km (0.102 R)
• M20: 36,577,128 km (0.119 R)
• M21: 46,144,959 km (0.067 R)
• M22: 48,272,989 km (0.12 R)
• M23: 49,276,791 km (0.104 R)
• M24: 55,594,309 km (0.055 R)
• M25: 57,253,947 km (0.119 R)
• M26: 59,326,925 km (0.068 R)

Kuiper Belt

Range: 31.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 13,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit