🌌 Stone's Star System Generator

Asteroid Belt

Center: 1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.9

Radius: 14.8

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.65 AU - 2.33 AU

Year: 1904 Days

Day: 8.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,314,054 km

• M1: 184,005 km (0.105 R)
• M2: 882,478 km (0.113 R)
• M3: 1,438,683 km (0.091 R)
• M4: 2,243,370 km (0.089 R)
• M5: 2,716,847 km (0.029 R)
• M6: 4,080,432 km (0.083 R)
• M7: 4,541,642 km (0.1 R)
• M8: 5,120,586 km (0.091 R)
• M9: 5,614,707 km (0.044 R)
• M10: 6,774,839 km (0.053 R)
• M11: 9,097,495 km (0.112 R)
• M12: 9,923,575 km (0.057 R)
• M13: 12,743,943 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.6

Radius: 8.1

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.73 AU - 2.97 AU

Year: 3263 Days

Day: 7 Hours

Environment

Temp: -211 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,314,054 km

• M1: 100,829 km (0.116 R)
• M2: 473,178 km (0.105 R)
• M3: 870,959 km (0.057 R)
• M4: 1,124,378 km (0.093 R)
• M5: 1,634,357 km (0.068 R)
• M6: 2,050,538 km (0.119 R)
• M7: 2,589,988 km (0.099 R)
• M8: 3,004,823 km (0.098 R)
• M9: 3,788,716 km (0.107 R)
• M10: 4,228,533 km (0.094 R)
• M11: 5,455,685 km (0.103 R)
• M12: 6,514,239 km (0.088 R)
• M13: 6,878,211 km (0.065 R)
• M14: 7,618,421 km (0.09 R)
• M15: 8,259,897 km (0.093 R)
• M16: 9,550,926 km (0.114 R)
• M17: 10,791,093 km (0.078 R)
• M18: 11,637,667 km (0.046 R)
• M19: 11,980,695 km (0.12 R)
• M20: 13,009,779 km (0.088 R)
• M21: 14,839,211 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.5

Radius: 11.9

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.18 AU - 5.28 AU

Year: 6977 Days

Day: 10.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,314,054 km

• M1: 147,952 km (0.102 R)
• M2: 557,402 km (0.073 R)
• M3: 1,014,274 km (0.111 R)
• M4: 1,592,918 km (0.109 R)
• M5: 2,579,067 km (0.12 R)
• M6: 4,338,338 km (0.112 R)
• M7: 4,967,397 km (0.109 R)
• M8: 7,188,028 km (0.079 R)
• M9: 8,230,875 km (0.08 R)
• M10: 9,023,295 km (0.067 R)
• M11: 13,999,219 km (0.117 R)
• M12: 16,574,846 km (0.091 R)
• M13: 18,458,133 km (0.086 R)
• M14: 21,544,786 km (0.077 R)
• M15: 23,536,981 km (0.103 R)
• M16: 24,032,898 km (0.057 R)
• M17: 27,065,696 km (0.041 R)
• M18: 31,627,683 km (0.104 R)
• M19: 37,344,864 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.7

Radius: 8.8

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.11 AU - 6.13 AU

Year: 7858 Days

Day: 8.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,314,054 km

• M1: 109,655 km (0.085 R)
• M2: 474,524 km (0.087 R)
• M3: 1,242,410 km (0.082 R)
• M4: 1,556,267 km (0.107 R)
• M5: 2,467,318 km (0.116 R)
• M6: 2,891,128 km (0.096 R)
• M7: 3,341,418 km (0.055 R)
• M8: 3,837,933 km (0.117 R)
• M9: 4,254,563 km (0.098 R)
• M10: 4,566,625 km (0.078 R)
• M11: 6,296,874 km (0.043 R)
• M12: 6,737,738 km (0.105 R)
• M13: 7,419,306 km (0.072 R)
• M14: 8,711,084 km (0.097 R)
• M15: 10,564,302 km (0.097 R)
• M16: 14,386,528 km (0.067 R)
• M17: 14,677,795 km (0.029 R)
• M18: 15,821,172 km (0.04 R)
• M19: 17,348,865 km (0.082 R)
• M20: 23,470,560 km (0.117 R)
• M21: 30,031,623 km (0.114 R)
• M22: 30,700,026 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.4

Radius: 3.1

Gravity: 26.06 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.77 AU - 6.27 AU

Year: 10018 Days

Day: 19 Hours

Environment

Temp: -228 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 34,314,054 km

• M1: 43,982 km (0.091 R)
• M2: 156,629 km (0.077 R)
• M3: 351,405 km (0.084 R)
• M4: 489,035 km (0.088 R)
• M5: 600,187 km (0.113 R)
• M6: 782,995 km (0.085 R)
• M7: 1,069,625 km (0.113 R)
• M8: 1,292,825 km (0.054 R)
• M9: 1,397,693 km (0.101 R)
• M10: 1,559,109 km (0.031 R)
• M11: 1,904,530 km (0.102 R)
• M12: 2,103,196 km (0.116 R)
• M13: 2,435,603 km (0.098 R)
• M14: 2,541,817 km (0.104 R)
• M15: 3,374,778 km (0.082 R)
• M16: 4,505,439 km (0.099 R)
• M17: 6,187,817 km (0.071 R)
• M18: 8,690,888 km (0.094 R)
• M19: 10,255,383 km (0.111 R)
• M20: 12,514,610 km (0.09 R)
• M21: 15,504,323 km (0.059 R)
• M22: 15,993,209 km (0.108 R)
• M23: 16,745,986 km (0.034 R)
• M24: 18,867,882 km (0.091 R)
• M25: 21,992,084 km (0.106 R)
• M26: 23,079,212 km (0.115 R)
• M27: 24,528,964 km (0.076 R)
• M28: 24,859,127 km (0.069 R)
• M29: 29,055,796 km (0.1 R)
• M30: 32,101,309 km (0.111 R)
• M31: 32,994,558 km (0.096 R)
• M32: 33,195,319 km (0.103 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 17,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit