🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.6

Radius: 13.9

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.37 AU - 1.53 AU

Year: 1184 Days

Day: 9.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,946,690 km

• M1: 172,935 km (0.095 R)
• M2: 720,912 km (0.068 R)
• M3: 2,106,338 km (0.107 R)
• M4: 2,746,318 km (0.057 R)
• M5: 3,499,543 km (0.087 R)
• M6: 4,043,780 km (0.049 R)
• M7: 5,557,262 km (0.112 R)
• M8: 6,498,083 km (0.116 R)
• M9: 7,018,683 km (0.096 R)
• M10: 7,493,806 km (0.114 R)
• M11: 8,723,052 km (0.097 R)
• M12: 9,301,397 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.9

Radius: 11

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.87 AU - 4.11 AU

Year: 5406 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,946,690 km

• M1: 138,079 km (0.088 R)
• M2: 486,043 km (0.081 R)
• M3: 858,093 km (0.094 R)
• M4: 1,479,224 km (0.084 R)
• M5: 1,838,707 km (0.072 R)
• M6: 2,424,981 km (0.095 R)
• M7: 3,218,897 km (0.094 R)
• M8: 4,589,064 km (0.11 R)
• M9: 5,098,744 km (0.053 R)
• M10: 5,594,512 km (0.048 R)
• M11: 8,136,479 km (0.106 R)
• M12: 9,168,255 km (0.109 R)
• M13: 10,597,812 km (0.067 R)
• M14: 13,013,070 km (0.079 R)
• M15: 14,036,469 km (0.114 R)
• M16: 16,295,846 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.2

Radius: 14.6

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.82 AU - 4.52 AU

Year: 5776 Days

Day: 13.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,946,690 km

• M1: 182,210 km (0.088 R)
• M2: 643,420 km (0.11 R)
• M3: 1,547,889 km (0.112 R)
• M4: 2,261,621 km (0.118 R)
• M5: 3,318,679 km (0.099 R)
• M6: 4,311,710 km (0.085 R)
• M7: 5,468,101 km (0.11 R)
• M8: 7,797,639 km (0.038 R)
• M9: 8,938,174 km (0.077 R)
• M10: 9,471,041 km (0.114 R)
• M11: 10,517,329 km (0.063 R)
• M12: 11,773,652 km (0.038 R)
• M13: 13,079,491 km (0.084 R)
• M14: 15,377,614 km (0.093 R)
• M15: 15,867,846 km (0.07 R)
• M16: 16,368,401 km (0.117 R)
• M17: 19,851,937 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.8

Radius: 9.9

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.42 AU - 5.56 AU

Year: 6453 Days

Day: 14.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,946,690 km

• M1: 123,119 km (0.114 R)
• M2: 516,113 km (0.112 R)
• M3: 899,083 km (0.08 R)
• M4: 2,418,250 km (0.087 R)
• M5: 2,869,736 km (0.082 R)
• M6: 3,180,002 km (0.111 R)
• M7: 3,489,969 km (0.087 R)
• M8: 3,967,934 km (0.109 R)
• M9: 4,598,788 km (0.091 R)
• M10: 8,130,943 km (0.116 R)
• M11: 9,779,961 km (0.03 R)
• M12: 11,079,817 km (0.105 R)
• M13: 13,268,733 km (0.114 R)
• M14: 13,727,250 km (0.105 R)
• M15: 14,255,779 km (0.095 R)
• M16: 15,228,764 km (0.036 R)
• M17: 16,836,642 km (0.094 R)
• M18: 18,062,447 km (0.025 R)
• M19: 19,273,890 km (0.075 R)
• M20: 21,464,153 km (0.088 R)
• M21: 23,731,458 km (0.042 R)
• M22: 27,795,733 km (0.072 R)
• M23: 29,408,249 km (0.074 R)
• M24: 32,198,548 km (0.08 R)
• M25: 32,611,139 km (0.114 R)
• M26: 32,922,901 km (0.084 R)
• M27: 34,511,331 km (0.09 R)
• M28: 38,300,196 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.4

Radius: 12.5

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.92 AU - 5.14 AU

Year: 7651 Days

Day: 13 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,946,690 km

• M1: 157,227 km (0.11 R)
• M2: 573,708 km (0.102 R)
• M3: 972,386 km (0.108 R)
• M4: 1,422,676 km (0.067 R)
• M5: 1,912,908 km (0.095 R)
• M6: 2,765,017 km (0.115 R)
• M7: 3,296,987 km (0.049 R)
• M8: 3,815,194 km (0.101 R)
• M9: 5,016,914 km (0.079 R)
• M10: 5,599,747 km (0.11 R)
• M11: 6,341,155 km (0.062 R)
• M12: 9,669,558 km (0.068 R)
• M13: 11,236,595 km (0.112 R)
• M14: 12,014,504 km (0.112 R)
• M15: 13,822,993 km (0.039 R)
• M16: 20,967,787 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.9

Radius: 4.2

Gravity: 16.6 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.31 AU - 7.15 AU

Year: 10547 Days

Day: 17 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 39,946,690 km

• M1: 52,210 km (0.11 R)
• M2: 292,613 km (0.119 R)
• M3: 643,121 km (0.111 R)
• M4: 795,861 km (0.099 R)
• M5: 1,071,121 km (0.113 R)
• M6: 1,209,050 km (0.073 R)
• M7: 1,533,827 km (0.053 R)
• M8: 2,006,855 km (0.062 R)
• M9: 2,608,538 km (0.05 R)
• M10: 3,170,428 km (0.082 R)
• M11: 4,236,313 km (0.092 R)
• M12: 4,394,437 km (0.083 R)
• M13: 4,979,515 km (0.076 R)
• M14: 5,245,500 km (0.036 R)
• M15: 6,234,790 km (0.119 R)
• M16: 6,370,925 km (0.099 R)
• M17: 6,827,048 km (0.113 R)
• M18: 7,044,863 km (0.047 R)
• M19: 7,456,107 km (0.105 R)
• M20: 7,648,191 km (0.09 R)
• M21: 10,171,907 km (0.081 R)
• M22: 12,758,454 km (0.086 R)
• M23: 13,312,415 km (0.092 R)
• M24: 16,583,971 km (0.076 R)
• M25: 16,911,441 km (0.111 R)
• M26: 19,616,170 km (0.063 R)
• M27: 20,204,539 km (0.119 R)
• M28: 20,503,136 km (0.103 R)
• M29: 23,323,804 km (0.052 R)
• M30: 25,255,113 km (0.116 R)
• M31: 25,427,898 km (0.096 R)
• M32: 26,127,119 km (0.098 R)
• M33: 26,570,527 km (0.109 R)
• M34: 26,839,055 km (0.115 R)
• M35: 28,675,219 km (0.081 R)
• M36: 30,691,649 km (0.078 R)
• M37: 32,800,380 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.7

Radius: 4.4

Gravity: 31.8 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.62 AU - 6.64 AU

Year: 11579 Days

Day: 18.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 39,946,690 km

• M1: 67,469 km (0.093 R)
• M2: 206,894 km (0.104 R)
• M3: 519,853 km (0.06 R)
• M4: 707,598 km (0.11 R)
• M5: 909,555 km (0.094 R)
• M6: 1,271,881 km (0.049 R)
• M7: 1,500,317 km (0.074 R)
• M8: 1,787,695 km (0.117 R)
• M9: 2,075,072 km (0.063 R)
• M10: 2,451,909 km (0.049 R)
• M11: 2,614,821 km (0.084 R)
• M12: 3,218,897 km (0.06 R)
• M13: 4,134,137 km (0.114 R)
• M14: 4,484,495 km (0.037 R)
• M15: 4,759,905 km (0.076 R)
• M16: 5,480,967 km (0.049 R)
• M17: 6,197,241 km (0.1 R)
• M18: 8,212,474 km (0.111 R)
• M19: 8,532,015 km (0.055 R)
• M20: 8,954,929 km (0.119 R)
• M21: 10,413,358 km (0.107 R)
• M22: 11,005,616 km (0.075 R)
• M23: 11,393,972 km (0.105 R)
• M24: 11,677,011 km (0.034 R)
• M25: 12,434,725 km (0.058 R)
• M26: 15,586,153 km (0.08 R)
• M27: 17,606,473 km (0.09 R)
• M28: 17,832,814 km (0.081 R)
• M29: 18,291,332 km (0.086 R)
• M30: 20,785,876 km (0.068 R)
• M31: 20,954,174 km (0.116 R)
• M32: 21,208,341 km (0.092 R)
• M33: 21,636,490 km (0.118 R)
• M34: 31,678,546 km (0.083 R)
• M35: 32,690,127 km (0.07 R)
• M36: 39,990,353 km (0.058 R)
• M37: 41,171,279 km (0.061 R)
• M38: 49,195,110 km (0.119 R)
• M39: 49,494,156 km (0.103 R)
• M40: 49,944,895 km (0.037 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.6

Radius: 4

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.13 AU - 8.33 AU

Year: 14577 Days

Day: 17.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,946,690 km

• M1: 49,816 km (0.066 R)
• M2: 195,524 km (0.111 R)
• M3: 403,615 km (0.099 R)
• M4: 680,670 km (0.094 R)
• M5: 992,881 km (0.081 R)
• M6: 1,284,896 km (0.072 R)
• M7: 1,419,385 km (0.096 R)
• M8: 1,716,785 km (0.117 R)
• M9: 1,911,113 km (0.076 R)
• M10: 2,622,301 km (0.112 R)
• M11: 3,026,814 km (0.061 R)
• M12: 3,958,509 km (0.05 R)
• M13: 6,297,173 km (0.112 R)
• M14: 9,195,033 km (0.104 R)
• M15: 12,319,983 km (0.109 R)
• M16: 13,675,789 km (0.081 R)
• M17: 14,572,029 km (0.049 R)
• M18: 16,414,327 km (0.109 R)
• M19: 23,360,605 km (0.107 R)
• M20: 23,612,528 km (0.055 R)
• M21: 26,594,761 km (0.077 R)
• M22: 27,892,373 km (0.099 R)
• M23: 29,231,723 km (0.069 R)
• M24: 31,831,585 km (0.085 R)
• M25: 36,237,840 km (0.099 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 11,240 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit