🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.53 AU - 0.67 AU

Year: 300 Days

Day: 29 Hours

Environment

Temp: -122 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.63 AU - 0.71 AU

Year: 354 Days

Day: 20.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,848,966 km

• M1: 91,853 km (0.081 R)

Asteroid Belt

Center: 1.12 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246

Radius: 13.3

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.27 AU - 1.85 AU

Year: 1258 Days

Day: 7.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,848,966 km

• M1: 167,849 km (0.12 R)
• M2: 632,949 km (0.067 R)
• M3: 1,338,153 km (0.088 R)
• M4: 1,819,110 km (0.076 R)
• M5: 2,873,625 km (0.11 R)
• M6: 3,634,181 km (0.089 R)
• M7: 4,757,063 km (0.111 R)
• M8: 6,570,787 km (0.091 R)
• M9: 7,750,815 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.1

Radius: 8.9

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.42 AU - 1.9 AU

Year: 1381 Days

Day: 11.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,848,966 km

• M1: 110,702 km (0.042 R)
• M2: 431,440 km (0.076 R)
• M3: 738,565 km (0.111 R)
• M4: 1,336,956 km (0.108 R)
• M5: 1,699,282 km (0.091 R)
• M6: 2,059,813 km (0.041 R)
• M7: 2,624,545 km (0.104 R)
• M8: 3,459,750 km (0.093 R)
• M9: 3,802,479 km (0.082 R)
• M10: 5,870,520 km (0.087 R)
• M11: 7,106,198 km (0.066 R)
• M12: 7,771,609 km (0.098 R)
• M13: 11,700,498 km (0.066 R)
• M14: 12,589,708 km (0.097 R)
• M15: 13,012,023 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.2

Radius: 8.5

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.83 AU - 2.23 AU

Year: 1867 Days

Day: 8.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,848,966 km

• M1: 105,766 km (0.116 R)
• M2: 487,689 km (0.096 R)
• M3: 792,420 km (0.101 R)
• M4: 1,080,396 km (0.102 R)
• M5: 1,439,281 km (0.038 R)
• M6: 1,988,006 km (0.105 R)
• M7: 2,896,065 km (0.11 R)
• M8: 3,756,403 km (0.055 R)
• M9: 4,057,543 km (0.113 R)
• M10: 4,708,593 km (0.025 R)
• M11: 6,259,025 km (0.065 R)
• M12: 6,881,053 km (0.028 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.3

Radius: 10.8

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.81 AU - 3.21 AU

Year: 3372 Days

Day: 14.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,848,966 km

• M1: 134,339 km (0.104 R)
• M2: 553,811 km (0.117 R)
• M3: 1,134,700 km (0.096 R)
• M4: 1,555,967 km (0.105 R)
• M5: 2,026,453 km (0.043 R)
• M6: 2,479,435 km (0.037 R)
• M7: 3,201,095 km (0.115 R)
• M8: 3,714,515 km (0.07 R)
• M9: 4,191,284 km (0.052 R)
• M10: 4,587,419 km (0.112 R)
• M11: 5,085,430 km (0.119 R)
• M12: 5,730,496 km (0.094 R)
• M13: 6,102,247 km (0.092 R)
• M14: 6,551,040 km (0.057 R)
• M15: 7,926,593 km (0.09 R)
• M16: 9,174,089 km (0.115 R)
• M17: 10,379,699 km (0.12 R)
• M18: 10,890,426 km (0.076 R)
• M19: 13,399,332 km (0.113 R)
• M20: 17,136,286 km (0.052 R)
• M21: 20,906,602 km (0.109 R)
• M22: 23,056,323 km (0.044 R)
• M23: 23,707,074 km (0.078 R)
• M24: 24,593,740 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.3

Radius: 9.3

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.51 AU - 4.61 AU

Year: 5282 Days

Day: 13.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,848,966 km

• M1: 115,639 km (0.08 R)
• M2: 411,843 km (0.094 R)
• M3: 861,684 km (0.116 R)
• M4: 1,664,127 km (0.088 R)
• M5: 2,113,519 km (0.109 R)
• M6: 2,502,324 km (0.116 R)
• M7: 3,778,393 km (0.111 R)
• M8: 4,456,072 km (0.102 R)
• M9: 4,851,160 km (0.07 R)
• M10: 5,155,741 km (0.12 R)
• M11: 5,834,167 km (0.111 R)
• M12: 6,504,366 km (0.034 R)
• M13: 6,875,369 km (0.114 R)
• M14: 7,296,337 km (0.069 R)
• M15: 7,884,257 km (0.051 R)
• M16: 8,306,422 km (0.1 R)
• M17: 9,751,238 km (0.106 R)
• M18: 13,670,553 km (0.083 R)
• M19: 14,908,774 km (0.068 R)
• M20: 15,794,992 km (0.049 R)
• M21: 17,477,968 km (0.106 R)
• M22: 18,597,110 km (0.113 R)
• M23: 20,044,768 km (0.111 R)
• M24: 21,417,778 km (0.084 R)
• M25: 24,350,345 km (0.097 R)
• M26: 26,080,893 km (0.096 R)
• M27: 31,093,618 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.4

Radius: 3.4

Gravity: 18.2 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.5 AU - 8.58 AU

Year: 14720 Days

Day: 23.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 41,848,966 km

• M1: 42,336 km (0.087 R)
• M2: 159,471 km (0.117 R)
• M3: 366,814 km (0.098 R)
• M4: 481,406 km (0.072 R)
• M5: 911,799 km (0.06 R)
• M6: 1,558,361 km (0.119 R)
• M7: 1,944,473 km (0.101 R)
• M8: 2,091,977 km (0.092 R)
• M9: 3,030,404 km (0.1 R)
• M10: 3,139,611 km (0.038 R)
• M11: 3,251,659 km (0.035 R)
• M12: 3,507,322 km (0.074 R)
• M13: 3,954,470 km (0.091 R)
• M14: 4,782,345 km (0.08 R)
• M15: 5,021,253 km (0.091 R)
• M16: 5,174,590 km (0.09 R)
• M17: 5,719,426 km (0.097 R)
• M18: 6,057,367 km (0.09 R)
• M19: 6,196,194 km (0.118 R)
• M20: 6,444,227 km (0.101 R)
• M21: 8,498,206 km (0.117 R)
• M22: 8,672,189 km (0.115 R)
• M23: 9,117,691 km (0.062 R)
• M24: 9,300,200 km (0.111 R)
• M25: 15,387,936 km (0.087 R)
• M26: 16,914,732 km (0.072 R)
• M27: 17,121,028 km (0.093 R)
• M28: 17,398,831 km (0.112 R)
• M29: 19,502,626 km (0.028 R)
• M30: 20,732,918 km (0.115 R)
• M31: 20,890,295 km (0.116 R)
• M32: 21,287,179 km (0.058 R)
• M33: 22,507,897 km (0.112 R)
• M34: 33,237,805 km (0.04 R)
• M35: 40,239,583 km (0.109 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 13,495 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit