🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.4

Radius: 12.9

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.62 AU - 0.66 AU

Year: 360 Days

Day: 9.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,177,629 km

• M1: 160,369 km (0.104 R)
• M2: 632,649 km (0.117 R)
• M3: 1,088,773 km (0.054 R)
• M4: 1,813,575 km (0.104 R)
• M5: 2,479,734 km (0.056 R)
• M6: 3,051,647 km (0.106 R)
• M7: 3,617,576 km (0.04 R)
• M8: 4,227,037 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.2

Radius: 9.4

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.35 AU - 1.73 AU

Year: 1343 Days

Day: 10 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,177,629 km

• M1: 116,986 km (0.104 R)
• M2: 414,087 km (0.092 R)
• M3: 844,330 km (0.089 R)
• M4: 1,330,972 km (0.099 R)
• M5: 1,658,891 km (0.08 R)
• M6: 2,177,397 km (0.1 R)
• M7: 2,624,695 km (0.097 R)
• M8: 3,087,700 km (0.097 R)
• M9: 3,637,472 km (0.025 R)
• M10: 4,632,148 km (0.117 R)
• M11: 4,932,541 km (0.118 R)
• M12: 5,310,425 km (0.105 R)
• M13: 6,006,504 km (0.03 R)
• M14: 6,762,123 km (0.075 R)
• M15: 7,525,222 km (0.102 R)
• M16: 8,462,004 km (0.071 R)
• M17: 9,347,773 km (0.111 R)
• M18: 10,159,939 km (0.055 R)
• M19: 10,531,840 km (0.091 R)
• M20: 11,195,605 km (0.109 R)
• M21: 11,812,996 km (0.081 R)
• M22: 12,300,236 km (0.068 R)
• M23: 12,606,762 km (0.056 R)
• M24: 13,435,684 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.1

Radius: 9.8

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.33 AU - 1.87 AU

Year: 1423 Days

Day: 8.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,177,629 km

• M1: 122,072 km (0.036 R)
• M2: 515,963 km (0.067 R)
• M3: 1,100,891 km (0.073 R)
• M4: 1,555,219 km (0.111 R)
• M5: 1,867,580 km (0.095 R)
• M6: 2,608,987 km (0.059 R)
• M7: 3,026,515 km (0.054 R)
• M8: 3,728,278 km (0.11 R)
• M9: 4,386,658 km (0.115 R)
• M10: 5,368,768 km (0.099 R)
• M11: 6,208,611 km (0.091 R)
• M12: 6,635,862 km (0.112 R)
• M13: 8,009,021 km (0.063 R)
• M14: 8,544,731 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748

Radius: 14.8

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.5 AU - 1.98 AU

Year: 1613 Days

Day: 12.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,177,629 km

• M1: 184,305 km (0.079 R)
• M2: 787,633 km (0.089 R)
• M3: 1,535,622 km (0.092 R)
• M4: 2,420,793 km (0.089 R)
• M5: 2,915,662 km (0.099 R)
• M6: 3,812,951 km (0.108 R)
• M7: 4,280,294 km (0.082 R)
• M8: 6,253,341 km (0.083 R)
• M9: 6,985,921 km (0.093 R)
• M10: 8,472,924 km (0.099 R)
• M11: 9,054,561 km (0.077 R)
• M12: 10,608,883 km (0.104 R)
• M13: 11,541,925 km (0.1 R)
• M14: 12,490,076 km (0.085 R)
• M15: 13,448,549 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.4

Radius: 12.4

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.56 AU - 2.08 AU

Year: 1726 Days

Day: 7.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,177,629 km

• M1: 154,535 km (0.116 R)
• M2: 590,463 km (0.118 R)
• M3: 1,180,626 km (0.097 R)
• M4: 2,632,175 km (0.084 R)
• M5: 3,033,396 km (0.092 R)
• M6: 3,678,163 km (0.079 R)
• M7: 4,451,883 km (0.079 R)
• M8: 4,857,144 km (0.075 R)
• M9: 5,672,452 km (0.057 R)
• M10: 6,576,771 km (0.093 R)
• M11: 9,177,530 km (0.103 R)
• M12: 11,740,291 km (0.099 R)
• M13: 12,478,856 km (0.062 R)
• M14: 12,879,778 km (0.111 R)
• M15: 14,177,989 km (0.063 R)
• M16: 15,015,737 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.2

Radius: 13.5

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.56 AU - 2.38 AU

Year: 1944 Days

Day: 7.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 79.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,177,629 km

• M1: 168,298 km (0.056 R)
• M2: 643,720 km (0.102 R)
• M3: 1,235,828 km (0.087 R)
• M4: 2,675,408 km (0.087 R)
• M5: 3,174,467 km (0.106 R)
• M6: 3,646,598 km (0.12 R)
• M7: 4,423,459 km (0.118 R)
• M8: 5,194,188 km (0.12 R)
• M9: 8,330,208 km (0.102 R)
• M10: 9,887,970 km (0.089 R)
• M11: 10,829,240 km (0.066 R)
• M12: 12,764,438 km (0.092 R)
• M13: 15,483,978 km (0.066 R)
• M14: 16,702,901 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.5

Radius: 9.1

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.4 AU - 3.72 AU

Year: 4722 Days

Day: 6.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 31,177,629 km

• M1: 113,246 km (0.117 R)
• M2: 431,889 km (0.091 R)
• M3: 800,349 km (0.03 R)
• M4: 1,193,641 km (0.11 R)
• M5: 1,517,820 km (0.092 R)
• M6: 1,824,645 km (0.067 R)
• M7: 2,116,660 km (0.09 R)
• M8: 2,455,649 km (0.09 R)
• M9: 2,970,266 km (0.084 R)
• M10: 3,801,431 km (0.098 R)
• M11: 4,169,891 km (0.113 R)
• M12: 4,467,740 km (0.094 R)
• M13: 5,638,194 km (0.058 R)
• M14: 6,595,920 km (0.105 R)
• M15: 6,938,050 km (0.073 R)
• M16: 7,726,132 km (0.063 R)
• M17: 9,170,349 km (0.119 R)
• M18: 9,795,669 km (0.094 R)
• M19: 10,701,633 km (0.05 R)
• M20: 11,707,230 km (0.09 R)
• M21: 13,455,431 km (0.095 R)
• M22: 14,314,422 km (0.065 R)
• M23: 14,995,541 km (0.105 R)
• M24: 15,863,358 km (0.043 R)
• M25: 16,936,873 km (0.107 R)
• M26: 18,853,221 km (0.073 R)
• M27: 20,578,982 km (0.111 R)
• M28: 21,043,184 km (0.04 R)
• M29: 21,378,882 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.6

Radius: 10.8

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.16 AU - 4.22 AU

Year: 4983 Days

Day: 10.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,177,629 km

• M1: 151,991 km (0.104 R)
• M2: 568,023 km (0.081 R)
• M3: 947,254 km (0.084 R)
• M4: 3,040,577 km (0.106 R)
• M5: 3,755,355 km (0.037 R)
• M6: 4,600,583 km (0.034 R)
• M7: 5,080,344 km (0.025 R)
• M8: 5,797,665 km (0.108 R)
• M9: 6,637,807 km (0.116 R)
• M10: 7,312,194 km (0.114 R)
• M11: 8,063,774 km (0.065 R)
• M12: 9,611,214 km (0.041 R)
• M13: 10,244,462 km (0.1 R)
• M14: 12,140,615 km (0.084 R)
• M15: 12,485,289 km (0.103 R)
• M16: 13,976,779 km (0.106 R)
• M17: 14,887,531 km (0.041 R)
• M18: 16,510,369 km (0.115 R)
• M19: 17,419,026 km (0.09 R)
• M20: 18,248,098 km (0.098 R)
• M21: 19,511,452 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.5

Radius: 5.1

Gravity: 31.93 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.69 AU - 7.47 AU

Year: 10538 Days

Day: 18.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 31,177,629 km

• M1: 66,571 km (0.082 R)
• M2: 822,040 km (0.065 R)
• M3: 1,393,205 km (0.077 R)
• M4: 1,812,079 km (0.115 R)
• M5: 1,998,029 km (0.074 R)
• M6: 2,388,779 km (0.077 R)
• M7: 2,571,288 km (0.073 R)
• M8: 3,296,838 km (0.107 R)
• M9: 3,896,725 km (0.104 R)
• M10: 5,517,169 km (0.096 R)
• M11: 6,671,616 km (0.106 R)
• M12: 9,547,785 km (0.083 R)
• M13: 9,905,324 km (0.117 R)
• M14: 10,431,609 km (0.111 R)
• M15: 10,701,484 km (0.094 R)
• M16: 13,727,849 km (0.1 R)
• M17: 15,331,239 km (0.087 R)
• M18: 19,631,429 km (0.099 R)
• M19: 20,968,834 km (0.107 R)
• M20: 22,011,083 km (0.094 R)
• M21: 22,634,756 km (0.101 R)
• M22: 23,361,802 km (0.115 R)
• M23: 27,436,100 km (0.044 R)
• M24: 31,733,897 km (0.072 R)
• M25: 32,186,879 km (0.086 R)
• M26: 40,296,580 km (0.094 R)
• M27: 41,229,024 km (0.053 R)
• M28: 52,770,350 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.7

Radius: 3

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.04 AU - 8.16 AU

Year: 11919 Days

Day: 15.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,177,629 km

• M1: 41,887 km (0.066 R)
• M2: 218,862 km (0.083 R)
• M3: 359,932 km (0.051 R)
• M4: 457,171 km (0.085 R)
• M5: 869,762 km (0.109 R)
• M6: 983,008 km (0.086 R)
• M7: 1,372,411 km (0.076 R)
• M8: 1,551,629 km (0.112 R)
• M9: 2,060,262 km (0.087 R)
• M10: 3,860,223 km (0.099 R)
• M11: 4,492,125 km (0.106 R)
• M12: 5,743,810 km (0.077 R)
• M13: 6,763,619 km (0.074 R)
• M14: 7,603,461 km (0.075 R)
• M15: 10,222,770 km (0.11 R)
• M16: 11,708,876 km (0.109 R)
• M17: 12,002,686 km (0.061 R)
• M18: 12,861,827 km (0.093 R)
• M19: 13,174,636 km (0.111 R)
• M20: 18,362,839 km (0.104 R)
• M21: 22,814,423 km (0.088 R)
• M22: 30,805,493 km (0.112 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: 393 - 16,837 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit