🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.2

Radius: 8.5

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.66 AU - 0.9 AU

Year: 484 Days

Day: 9.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,635,832 km

• M1: 106,214 km (0.101 R)
• M2: 436,826 km (0.101 R)
• M3: 1,031,178 km (0.09 R)
• M4: 1,481,169 km (0.099 R)
• M5: 1,954,795 km (0.108 R)
• M6: 2,486,466 km (0.044 R)
• M7: 3,193,316 km (0.084 R)
• M8: 3,561,925 km (0.083 R)
• M9: 4,083,573 km (0.065 R)
• M10: 5,049,078 km (0.115 R)
• M11: 5,975,837 km (0.041 R)
• M12: 6,365,389 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.7

Radius: 14.6

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.56 AU - 1.94 AU

Year: 1627 Days

Day: 10.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,635,832 km

• M1: 181,612 km (0.05 R)
• M2: 823,686 km (0.054 R)
• M3: 1,437,636 km (0.112 R)
• M4: 1,935,198 km (0.037 R)
• M5: 2,512,047 km (0.068 R)
• M6: 4,772,022 km (0.089 R)
• M7: 6,489,107 km (0.085 R)
• M8: 7,008,361 km (0.091 R)
• M9: 9,003,398 km (0.107 R)
• M10: 10,562,507 km (0.104 R)
• M11: 12,633,241 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.3

Radius: 13

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.73 AU - 2.05 AU

Year: 1826 Days

Day: 9.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,635,832 km

• M1: 161,715 km (0.094 R)
• M2: 622,626 km (0.1 R)
• M3: 1,130,212 km (0.117 R)
• M4: 1,885,232 km (0.054 R)
• M5: 2,353,025 km (0.071 R)
• M6: 2,956,204 km (0.076 R)
• M7: 4,099,430 km (0.104 R)
• M8: 7,162,297 km (0.055 R)
• M9: 7,654,923 km (0.081 R)
• M10: 8,678,023 km (0.052 R)
• M11: 9,593,263 km (0.114 R)
• M12: 10,711,656 km (0.104 R)
• M13: 13,166,557 km (0.059 R)
• M14: 13,782,452 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.1

Radius: 13.3

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.68 AU - 3.38 AU

Year: 3707 Days

Day: 6.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,635,832 km

• M1: 165,754 km (0.059 R)
• M2: 600,486 km (0.117 R)
• M3: 1,476,681 km (0.066 R)
• M4: 1,905,428 km (0.119 R)
• M5: 3,024,271 km (0.044 R)
• M6: 4,054,701 km (0.105 R)
• M7: 4,688,696 km (0.104 R)
• M8: 5,173,842 km (0.113 R)
• M9: 6,186,022 km (0.091 R)
• M10: 6,995,944 km (0.093 R)
• M11: 8,638,828 km (0.106 R)
• M12: 9,651,456 km (0.111 R)
• M13: 11,407,286 km (0.029 R)
• M14: 12,869,905 km (0.08 R)
• M15: 16,337,135 km (0.045 R)
• M16: 18,006,797 km (0.059 R)
• M17: 20,856,486 km (0.11 R)
• M18: 22,746,955 km (0.072 R)
• M19: 23,845,302 km (0.084 R)
• M20: 24,294,395 km (0.118 R)
• M21: 26,705,613 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.7

Radius: 14.6

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.14 AU - 5.66 AU

Year: 8821 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,635,832 km

• M1: 213,775 km (0.113 R)
• M2: 695,181 km (0.042 R)
• M3: 1,407,118 km (0.089 R)
• M4: 2,177,247 km (0.098 R)
• M5: 3,044,167 km (0.055 R)
• M6: 3,535,297 km (0.043 R)
• M7: 4,210,881 km (0.041 R)
• M8: 5,091,713 km (0.1 R)
• M9: 7,533,749 km (0.097 R)
• M10: 8,061,530 km (0.037 R)
• M11: 9,237,369 km (0.107 R)
• M12: 10,979,586 km (0.118 R)
• M13: 13,162,219 km (0.109 R)
• M14: 14,051,130 km (0.119 R)
• M15: 15,106,393 km (0.07 R)
• M16: 17,096,793 km (0.058 R)
• M17: 18,372,115 km (0.08 R)
• M18: 20,169,832 km (0.118 R)
• M19: 21,431,989 km (0.11 R)
• M20: 22,082,441 km (0.09 R)
• M21: 22,746,057 km (0.059 R)
• M22: 23,252,446 km (0.096 R)
• M23: 24,463,441 km (0.109 R)
• M24: 25,174,030 km (0.064 R)
• M25: 25,716,024 km (0.084 R)
• M26: 27,011,092 km (0.118 R)
• M27: 27,674,708 km (0.118 R)
• M28: 32,628,642 km (0.06 R)
• M29: 33,598,784 km (0.105 R)
• M30: 37,088,005 km (0.053 R)
• M31: 37,908,100 km (0.114 R)
• M32: 38,620,635 km (0.056 R)
• M33: 39,950,111 km (0.1 R)
• M34: 40,564,510 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940

Radius: 5.7

Gravity: 28.93 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.22 AU - 6.64 AU

Year: 10151 Days

Day: 18.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,635,832 km

• M1: 71,059 km (0.063 R)
• M2: 290,968 km (0.061 R)
• M3: 487,988 km (0.092 R)
• M4: 759,359 km (0.043 R)
• M5: 1,048,232 km (0.046 R)
• M6: 3,883,262 km (0.119 R)
• M7: 4,195,323 km (0.103 R)
• M8: 5,266,443 km (0.094 R)
• M9: 12,507,579 km (0.096 R)
• M10: 13,762,855 km (0.072 R)
• M11: 14,555,125 km (0.119 R)
• M12: 16,230,322 km (0.083 R)
• M13: 17,264,492 km (0.085 R)
• M14: 19,382,050 km (0.11 R)
• M15: 21,144,163 km (0.056 R)
• M16: 22,646,874 km (0.031 R)
• M17: 24,408,837 km (0.098 R)
• M18: 24,791,060 km (0.095 R)
• M19: 25,177,322 km (0.038 R)
• M20: 28,624,057 km (0.068 R)
• M21: 32,487,721 km (0.081 R)
• M22: 33,183,201 km (0.063 R)
• M23: 34,965,211 km (0.089 R)
• M24: 36,560,224 km (0.087 R)
• M25: 41,635,930 km (0.081 R)
• M26: 42,594,104 km (0.094 R)
• M27: 43,988,057 km (0.055 R)
• M28: 44,696,403 km (0.063 R)
• M29: 46,135,834 km (0.076 R)
• M30: 51,260,907 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.4

Radius: 5.8

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.02 AU - 9.18 AU

Year: 19296 Days

Day: 22.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 100.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,635,832 km

• M1: 72,106 km (0.063 R)
• M2: 368,759 km (0.116 R)
• M3: 612,154 km (0.063 R)
• M4: 1,219,821 km (0.098 R)
• M5: 1,465,012 km (0.1 R)
• M6: 2,110,976 km (0.115 R)
• M7: 2,404,636 km (0.115 R)
• M8: 2,680,794 km (0.097 R)
• M9: 5,350,218 km (0.099 R)
• M10: 6,125,883 km (0.083 R)
• M11: 6,480,430 km (0.072 R)
• M12: 7,016,439 km (0.055 R)
• M13: 8,752,971 km (0.087 R)
• M14: 9,051,120 km (0.116 R)
• M15: 9,304,688 km (0.12 R)
• M16: 10,700,885 km (0.114 R)
• M17: 11,331,590 km (0.061 R)
• M18: 13,834,661 km (0.114 R)
• M19: 15,791,402 km (0.101 R)
• M20: 16,835,595 km (0.073 R)
• M21: 18,650,067 km (0.057 R)
• M22: 24,085,407 km (0.037 R)
• M23: 28,711,571 km (0.096 R)
• M24: 32,339,469 km (0.068 R)
• M25: 34,018,406 km (0.116 R)
• M26: 35,503,165 km (0.035 R)
• M27: 38,204,454 km (0.044 R)
• M28: 39,134,504 km (0.109 R)
• M29: 39,943,529 km (0.11 R)
• M30: 41,734,664 km (0.113 R)
• M31: 45,180,951 km (0.052 R)
• M32: 49,435,813 km (0.071 R)
• M33: 50,698,718 km (0.099 R)
• M34: 52,145,180 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.3

Radius: 3.6

Gravity: 27.34 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.54 AU - 9.66 AU

Year: 19296 Days

Day: 18.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,635,832 km

• M1: 44,879 km (0.105 R)
• M2: 230,231 km (0.109 R)
• M3: 479,910 km (0.104 R)
• M4: 653,743 km (0.113 R)
• M5: 1,669,811 km (0.116 R)
• M6: 1,872,068 km (0.032 R)
• M7: 2,034,232 km (0.105 R)
• M8: 2,225,418 km (0.103 R)
• M9: 2,491,852 km (0.074 R)
• M10: 4,365,864 km (0.062 R)
• M11: 6,471,604 km (0.097 R)
• M12: 7,673,922 km (0.075 R)
• M13: 10,566,098 km (0.097 R)
• M14: 11,432,868 km (0.056 R)
• M15: 11,913,974 km (0.074 R)
• M16: 13,838,701 km (0.09 R)
• M17: 14,109,922 km (0.096 R)
• M18: 14,803,906 km (0.08 R)
• M19: 15,447,626 km (0.092 R)
• M20: 17,967,602 km (0.075 R)
• M21: 19,791,649 km (0.052 R)
• M22: 21,463,255 km (0.093 R)
• M23: 22,379,841 km (0.113 R)
• M24: 25,184,802 km (0.089 R)
• M25: 25,997,866 km (0.077 R)
• M26: 29,874,096 km (0.05 R)
• M27: 33,506,033 km (0.108 R)
• M28: 35,871,625 km (0.12 R)
• M29: 37,160,261 km (0.032 R)
• M30: 39,556,968 km (0.071 R)
• M31: 42,910,055 km (0.091 R)
• M32: 44,950,869 km (0.092 R)
• M33: 50,174,677 km (0.118 R)
• M34: 53,262,975 km (0.084 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: 300 - 10,713 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit