🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.96 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.5

Radius: 8.9

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.49 AU - 2.33 AU

Year: 1822 Days

Day: 12.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,647,849 km

• M1: 110,702 km (0.102 R)
• M2: 463,903 km (0.088 R)
• M3: 782,846 km (0.116 R)
• M4: 1,302,698 km (0.091 R)
• M5: 1,738,776 km (0.1 R)
• M6: 2,073,875 km (0.104 R)
• M7: 2,644,142 km (0.085 R)
• M8: 3,201,394 km (0.042 R)
• M9: 3,908,095 km (0.108 R)
• M10: 4,191,433 km (0.088 R)
• M11: 4,736,269 km (0.109 R)
• M12: 5,125,073 km (0.118 R)
• M13: 6,292,685 km (0.102 R)
• M14: 6,736,691 km (0.074 R)
• M15: 9,511,133 km (0.093 R)
• M16: 9,887,073 km (0.079 R)
• M17: 10,201,976 km (0.11 R)
• M18: 11,300,623 km (0.118 R)
• M19: 12,355,139 km (0.113 R)
• M20: 13,135,591 km (0.054 R)
• M21: 13,559,401 km (0.114 R)
• M22: 14,212,097 km (0.114 R)
• M23: 14,885,736 km (0.11 R)
• M24: 15,299,973 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.9

Radius: 11.4

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.67 AU - 2.57 AU

Year: 2131 Days

Day: 8.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,647,849 km

• M1: 141,819 km (0.083 R)
• M2: 552,764 km (0.091 R)
• M3: 1,209,200 km (0.078 R)
• M4: 1,661,584 km (0.097 R)
• M5: 2,841,462 km (0.079 R)
• M6: 4,272,366 km (0.07 R)
• M7: 5,068,376 km (0.09 R)
• M8: 5,886,676 km (0.11 R)
• M9: 6,523,514 km (0.1 R)
• M10: 7,205,830 km (0.108 R)
• M11: 7,995,408 km (0.101 R)
• M12: 11,741,039 km (0.115 R)
• M13: 13,599,793 km (0.046 R)
• M14: 15,082,158 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.2

Radius: 10.6

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.15 AU - 3.21 AU

Year: 3914 Days

Day: 10.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,647,849 km

• M1: 131,796 km (0.076 R)
• M2: 744,997 km (0.12 R)
• M3: 1,251,536 km (0.077 R)
• M4: 1,699,282 km (0.097 R)
• M5: 2,113,369 km (0.064 R)
• M6: 2,623,348 km (0.086 R)
• M7: 3,180,900 km (0.101 R)
• M8: 3,686,241 km (0.107 R)
• M9: 4,104,666 km (0.064 R)
• M10: 5,221,714 km (0.102 R)
• M11: 6,054,824 km (0.098 R)
• M12: 7,707,881 km (0.113 R)
• M13: 8,172,232 km (0.104 R)
• M14: 9,607,624 km (0.098 R)
• M15: 11,559,876 km (0.038 R)
• M16: 12,376,980 km (0.093 R)
• M17: 13,451,691 km (0.053 R)
• M18: 16,843,075 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.1

Radius: 9.6

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.72 AU - 3.82 AU

Year: 4082 Days

Day: 5.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,647,849 km

• M1: 119,379 km (0.113 R)
• M2: 493,823 km (0.103 R)
• M3: 1,421,479 km (0.116 R)
• M4: 3,212,315 km (0.091 R)
• M5: 3,601,868 km (0.063 R)
• M6: 4,139,074 km (0.103 R)
• M7: 4,858,490 km (0.072 R)
• M8: 5,262,255 km (0.11 R)
• M9: 6,198,737 km (0.102 R)
• M10: 7,106,048 km (0.063 R)
• M11: 9,591,916 km (0.075 R)
• M12: 12,909,249 km (0.119 R)
• M13: 15,048,648 km (0.117 R)
• M14: 15,503,426 km (0.034 R)
• M15: 16,500,047 km (0.097 R)
• M16: 20,706,739 km (0.079 R)
• M17: 23,395,312 km (0.103 R)
• M18: 24,470,472 km (0.079 R)
• M19: 25,982,158 km (0.102 R)
• M20: 28,321,719 km (0.072 R)
• M21: 29,454,325 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.7

Radius: 3.6

Gravity: 58.93 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.25 AU - 6.79 AU

Year: 10195 Days

Day: 15.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 61,647,849 km

• M1: 66,870 km (0.088 R)
• M2: 239,506 km (0.078 R)
• M3: 363,224 km (0.028 R)
• M4: 625,469 km (0.059 R)
• M5: 821,292 km (0.086 R)
• M6: 1,002,306 km (0.043 R)
• M7: 1,246,449 km (0.074 R)
• M8: 1,472,043 km (0.082 R)
• M9: 2,146,580 km (0.093 R)
• M10: 2,372,173 km (0.058 R)
• M11: 2,915,363 km (0.082 R)
• M12: 3,192,269 km (0.108 R)
• M13: 3,933,676 km (0.109 R)
• M14: 4,156,876 km (0.103 R)
• M15: 5,926,768 km (0.116 R)
• M16: 7,158,707 km (0.064 R)
• M17: 8,323,027 km (0.073 R)
• M18: 10,802,013 km (0.076 R)
• M19: 11,406,538 km (0.081 R)
• M20: 11,975,459 km (0.117 R)
• M21: 12,444,149 km (0.111 R)
• M22: 12,743,046 km (0.07 R)
• M23: 12,864,070 km (0.103 R)
• M24: 13,668,907 km (0.113 R)
• M25: 13,987,251 km (0.115 R)
• M26: 20,099,970 km (0.113 R)
• M27: 22,653,755 km (0.103 R)
• M28: 26,580,400 km (0.084 R)
• M29: 27,276,030 km (0.05 R)
• M30: 30,828,232 km (0.098 R)
• M31: 35,626,583 km (0.12 R)
• M32: 35,866,688 km (0.078 R)
• M33: 40,246,016 km (0.037 R)
• M34: 40,768,113 km (0.097 R)
• M35: 41,294,697 km (0.111 R)
• M36: 42,766,142 km (0.069 R)
• M37: 47,389,763 km (0.115 R)
• M38: 49,150,231 km (0.115 R)
• M39: 49,746,678 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.1

Radius: 4.8

Gravity: 13.33 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.97 AU - 8.85 AU

Year: 15356 Days

Day: 22.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 68.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,647,849 km

• M1: 59,839 km (0.104 R)
• M2: 717,172 km (0.102 R)
• M3: 1,642,884 km (0.079 R)
• M4: 2,150,619 km (0.055 R)
• M5: 3,204,386 km (0.03 R)
• M6: 9,331,317 km (0.112 R)
• M7: 10,488,905 km (0.046 R)
• M8: 10,699,689 km (0.084 R)
• M9: 11,626,747 km (0.114 R)
• M10: 12,138,670 km (0.107 R)
• M11: 12,312,503 km (0.119 R)
• M12: 13,025,038 km (0.107 R)
• M13: 14,208,656 km (0.033 R)
• M14: 19,742,281 km (0.108 R)
• M15: 22,498,622 km (0.067 R)
• M16: 27,146,927 km (0.115 R)
• M17: 33,294,801 km (0.114 R)
• M18: 35,850,232 km (0.099 R)
• M19: 37,788,871 km (0.06 R)
• M20: 43,342,841 km (0.075 R)
• M21: 44,846,300 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.8

Radius: 4.4

Gravity: 22.56 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.2 AU - 9.56 AU

Year: 18265 Days

Day: 23.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,647,849 km

• M1: 89,908 km (0.105 R)
• M2: 254,466 km (0.101 R)
• M3: 666,907 km (0.111 R)
• M4: 5,265,845 km (0.076 R)
• M5: 6,531,443 km (0.047 R)
• M6: 7,345,555 km (0.113 R)
• M7: 7,707,731 km (0.072 R)
• M8: 15,236,992 km (0.086 R)
• M9: 24,015,545 km (0.108 R)
• M10: 24,312,048 km (0.106 R)
• M11: 28,503,929 km (0.047 R)
• M12: 28,725,334 km (0.109 R)
• M13: 28,947,936 km (0.084 R)
• M14: 42,315,553 km (0.112 R)
• M15: 45,557,488 km (0.066 R)
• M16: 47,860,248 km (0.082 R)
• M17: 48,329,986 km (0.085 R)
• M18: 60,728,508 km (0.104 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 19,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit