🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.2

Radius: 9.9

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.67 AU - 1.11 AU

Year: 560 Days

Day: 12.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,800,930 km

• M1: 123,119 km (0.106 R)
• M2: 595,250 km (0.078 R)
• M3: 1,059,901 km (0.082 R)
• M4: 2,170,216 km (0.052 R)
• M5: 2,543,014 km (0.098 R)
• M6: 3,818,934 km (0.081 R)
• M7: 5,309,378 km (0.095 R)
• M8: 5,758,172 km (0.092 R)
• M9: 6,594,723 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.7

Radius: 14

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.27 AU - 1.83 AU

Year: 1287 Days

Day: 8.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,800,930 km

• M1: 175,179 km (0.064 R)
• M2: 800,947 km (0.096 R)
• M3: 1,265,299 km (0.098 R)
• M4: 3,058,828 km (0.093 R)
• M5: 3,634,181 km (0.1 R)
• M6: 4,497,062 km (0.103 R)
• M7: 5,225,902 km (0.04 R)
• M8: 6,412,214 km (0.115 R)
• M9: 6,852,929 km (0.096 R)
• M10: 7,944,245 km (0.102 R)
• M11: 9,397,738 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.1

Radius: 8.7

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.38 AU - 1.8 AU

Year: 1337 Days

Day: 9.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,800,930 km

• M1: 108,309 km (0.082 R)
• M2: 454,329 km (0.107 R)
• M3: 737,368 km (0.078 R)
• M4: 1,014,573 km (0.059 R)
• M5: 1,470,697 km (0.068 R)
• M6: 1,973,794 km (0.076 R)
• M7: 3,044,616 km (0.093 R)
• M8: 3,445,089 km (0.084 R)
• M9: 3,764,331 km (0.052 R)
• M10: 4,173,332 km (0.079 R)
• M11: 4,480,755 km (0.096 R)
• M12: 5,020,355 km (0.096 R)
• M13: 5,689,357 km (0.107 R)
• M14: 6,229,106 km (0.049 R)
• M15: 7,436,809 km (0.062 R)
• M16: 7,836,086 km (0.119 R)
• M17: 9,000,556 km (0.088 R)
• M18: 10,439,837 km (0.064 R)
• M19: 10,839,413 km (0.05 R)
• M20: 11,990,718 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.3

Radius: 14.3

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.59 AU - 3.13 AU

Year: 3225 Days

Day: 13 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,800,930 km

• M1: 193,879 km (0.111 R)
• M2: 643,121 km (0.053 R)
• M3: 1,098,796 km (0.067 R)
• M4: 1,963,023 km (0.109 R)
• M5: 2,424,084 km (0.115 R)
• M6: 2,987,769 km (0.043 R)
• M7: 3,621,914 km (0.111 R)
• M8: 4,559,893 km (0.063 R)
• M9: 5,119,239 km (0.09 R)
• M10: 5,724,063 km (0.047 R)
• M11: 6,426,725 km (0.076 R)
• M12: 8,728,886 km (0.094 R)
• M13: 9,463,262 km (0.061 R)
• M14: 10,659,746 km (0.091 R)
• M15: 11,801,477 km (0.065 R)
• M16: 12,740,353 km (0.036 R)
• M17: 13,435,086 km (0.075 R)
• M18: 13,898,091 km (0.119 R)
• M19: 14,634,412 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645

Radius: 13.6

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.57 AU - 3.67 AU

Year: 3675 Days

Day: 8.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,800,930 km

• M1: 169,195 km (0.082 R)
• M2: 889,060 km (0.098 R)
• M3: 1,770,940 km (0.095 R)
• M4: 2,236,039 km (0.093 R)
• M5: 2,686,030 km (0.099 R)
• M6: 3,161,003 km (0.074 R)
• M7: 3,593,191 km (0.091 R)
• M8: 4,260,996 km (0.1 R)
• M9: 4,863,427 km (0.104 R)
• M10: 5,469,448 km (0.066 R)
• M11: 6,040,762 km (0.097 R)
• M12: 6,712,008 km (0.072 R)
• M13: 8,066,317 km (0.04 R)
• M14: 9,290,327 km (0.103 R)
• M15: 12,516,106 km (0.032 R)
• M16: 13,511,680 km (0.106 R)
• M17: 16,369,448 km (0.104 R)
• M18: 20,240,442 km (0.062 R)
• M19: 20,951,032 km (0.108 R)
• M20: 22,014,224 km (0.077 R)
• M21: 23,113,170 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.7

Radius: 13.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.02 AU - 6.06 AU

Year: 8695 Days

Day: 7.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,800,930 km

• M1: 169,943 km (0.103 R)
• M2: 679,773 km (0.084 R)
• M3: 1,448,257 km (0.117 R)
• M4: 2,357,812 km (0.088 R)
• M5: 3,804,723 km (0.049 R)
• M6: 4,245,887 km (0.079 R)
• M7: 5,029,032 km (0.089 R)
• M8: 5,717,032 km (0.054 R)
• M9: 6,603,848 km (0.102 R)
• M10: 8,692,983 km (0.071 R)
• M11: 9,419,729 km (0.055 R)
• M12: 18,034,023 km (0.055 R)
• M13: 21,583,532 km (0.109 R)
• M14: 23,644,542 km (0.098 R)
• M15: 26,622,138 km (0.099 R)
• M16: 29,271,815 km (0.075 R)
• M17: 34,141,076 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.7

Radius: 7.4

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.31 AU - 10.35 AU

Year: 16032 Days

Day: 16.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,800,930 km

• M1: 92,302 km (0.073 R)
• M2: 326,871 km (0.101 R)
• M3: 578,046 km (0.109 R)
• M4: 1,227,750 km (0.026 R)
• M5: 1,504,207 km (0.118 R)
• M6: 2,012,091 km (0.05 R)
• M7: 2,260,274 km (0.114 R)
• M8: 2,645,938 km (0.038 R)
• M9: 4,003,089 km (0.102 R)
• M10: 4,446,797 km (0.09 R)
• M11: 4,871,206 km (0.088 R)
• M12: 5,743,212 km (0.101 R)
• M13: 8,942,362 km (0.076 R)
• M14: 10,371,620 km (0.052 R)
• M15: 11,118,114 km (0.09 R)
• M16: 14,572,927 km (0.115 R)
• M17: 18,619,400 km (0.077 R)
• M18: 22,553,225 km (0.084 R)
• M19: 23,283,263 km (0.107 R)
• M20: 25,021,889 km (0.113 R)
• M21: 26,764,256 km (0.092 R)
• M22: 27,417,400 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939

Radius: 7.8

Gravity: 15.43 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.11 AU - 12.63 AU

Year: 22269 Days

Day: 24.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 90,800,930 km

• M1: 97,089 km (0.042 R)
• M2: 367,861 km (0.092 R)
• M3: 617,241 km (0.115 R)
• M4: 1,102,836 km (0.112 R)
• M5: 1,548,488 km (0.113 R)
• M6: 1,804,150 km (0.036 R)
• M7: 2,473,302 km (0.043 R)
• M8: 2,799,126 km (0.115 R)
• M9: 3,069,150 km (0.062 R)
• M10: 3,386,297 km (0.055 R)
• M11: 3,886,852 km (0.031 R)
• M12: 5,273,175 km (0.107 R)
• M13: 7,666,592 km (0.088 R)
• M14: 11,031,646 km (0.088 R)
• M15: 14,300,360 km (0.113 R)
• M16: 14,699,337 km (0.076 R)
• M17: 18,443,024 km (0.104 R)
• M18: 22,347,977 km (0.104 R)
• M19: 28,617,175 km (0.118 R)
• M20: 30,678,185 km (0.091 R)
• M21: 32,015,291 km (0.039 R)
• M22: 43,472,692 km (0.054 R)
• M23: 43,973,845 km (0.08 R)
• M24: 48,658,802 km (0.115 R)
• M25: 51,028,731 km (0.082 R)
• M26: 58,395,678 km (0.049 R)
• M27: 65,124,291 km (0.088 R)
• M28: 70,727,031 km (0.098 R)
• M29: 72,820,204 km (0.085 R)
• M30: 89,987,009 km (0.113 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: 427 - 13,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit