🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.9 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.4

Radius: 10.6

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.17 AU - 4.41 AU

Year: 5004 Days

Day: 13.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,521,191 km

• M1: 132,095 km (0.03 R)
• M2: 846,126 km (0.106 R)
• M3: 1,269,637 km (0.103 R)
• M4: 1,729,351 km (0.031 R)
• M5: 2,576,674 km (0.032 R)
• M6: 3,104,156 km (0.11 R)
• M7: 4,182,457 km (0.079 R)
• M8: 4,575,900 km (0.115 R)
• M9: 6,059,013 km (0.084 R)
• M10: 6,860,409 km (0.046 R)
• M11: 7,551,252 km (0.109 R)
• M12: 9,274,918 km (0.064 R)
• M13: 9,733,436 km (0.118 R)
• M14: 13,802,947 km (0.064 R)
• M15: 15,707,926 km (0.108 R)
• M16: 16,601,773 km (0.108 R)
• M17: 17,340,936 km (0.118 R)
• M18: 18,295,520 km (0.097 R)
• M19: 19,895,470 km (0.103 R)
• M20: 21,083,726 km (0.086 R)
• M21: 21,950,645 km (0.119 R)
• M22: 22,318,806 km (0.114 R)
• M23: 22,916,299 km (0.06 R)
• M24: 25,012,315 km (0.081 R)
• M25: 25,657,082 km (0.047 R)
• M26: 26,728,502 km (0.119 R)
• M27: 27,743,823 km (0.113 R)

Planet 2 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.7

Radius: 7.9

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.2 AU - 7.54 AU

Year: 10904 Days

Day: 19 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,521,191 km

• M1: 99,483 km (0.105 R)
• M2: 414,685 km (0.105 R)
• M3: 759,209 km (0.11 R)
• M4: 1,713,045 km (0.086 R)
• M5: 2,610,184 km (0.113 R)
• M6: 2,913,718 km (0.095 R)
• M7: 3,218,149 km (0.073 R)
• M8: 6,369,429 km (0.097 R)
• M9: 11,352,982 km (0.112 R)
• M10: 13,785,444 km (0.057 R)
• M11: 31,691,860 km (0.109 R)
• M12: 36,788,061 km (0.109 R)
• M13: 38,082,831 km (0.091 R)
• M14: 42,789,629 km (0.118 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.1

Radius: 4.8

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.38 AU - 7.44 AU

Year: 11007 Days

Day: 21.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,521,191 km

• M1: 59,690 km (0.114 R)
• M2: 220,058 km (0.1 R)
• M3: 610,359 km (0.105 R)
• M4: 1,111,363 km (0.093 R)
• M5: 1,290,132 km (0.094 R)
• M6: 1,499,719 km (0.107 R)
• M7: 2,117,408 km (0.115 R)
• M8: 4,177,371 km (0.056 R)
• M9: 5,158,883 km (0.079 R)
• M10: 5,322,393 km (0.108 R)
• M11: 5,775,824 km (0.073 R)
• M12: 6,630,327 km (0.06 R)
• M13: 7,427,235 km (0.079 R)
• M14: 7,636,074 km (0.037 R)
• M15: 9,737,176 km (0.104 R)
• M16: 10,675,753 km (0.09 R)
• M17: 13,232,829 km (0.037 R)
• M18: 22,852,122 km (0.089 R)
• M19: 23,442,884 km (0.069 R)
• M20: 23,741,930 km (0.061 R)
• M21: 24,809,012 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.2

Radius: 7.4

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.8 AU - 9.3 AU

Year: 16957 Days

Day: 18.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,521,191 km

• M1: 93,648 km (0.064 R)
• M2: 924,216 km (0.078 R)
• M3: 5,262,404 km (0.067 R)
• M4: 8,498,356 km (0.079 R)
• M5: 8,854,100 km (0.092 R)
• M6: 9,690,950 km (0.077 R)
• M7: 11,847,254 km (0.106 R)
• M8: 13,037,155 km (0.102 R)
• M9: 15,586,153 km (0.12 R)
• M10: 15,918,261 km (0.059 R)
• M11: 17,577,899 km (0.031 R)
• M12: 24,383,406 km (0.101 R)
• M13: 27,151,714 km (0.05 R)
• M14: 29,009,421 km (0.045 R)
• M15: 33,085,065 km (0.094 R)
• M16: 34,411,998 km (0.103 R)
• M17: 43,126,972 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.4

Radius: 3.4

Gravity: 35.07 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.61 AU - 9.67 AU

Year: 20301 Days

Day: 25 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,521,191 km

• M1: 66,421 km (0.075 R)
• M2: 190,588 km (0.058 R)
• M3: 381,923 km (0.091 R)
• M4: 1,136,794 km (0.118 R)
• M5: 1,582,596 km (0.111 R)
• M6: 2,317,570 km (0.087 R)
• M7: 2,444,728 km (0.079 R)
• M8: 3,308,357 km (0.114 R)
• M9: 4,717,718 km (0.092 R)
• M10: 4,992,081 km (0.119 R)
• M11: 5,497,423 km (0.073 R)
• M12: 5,917,942 km (0.059 R)
• M13: 6,694,056 km (0.109 R)
• M14: 7,862,714 km (0.071 R)
• M15: 8,798,300 km (0.099 R)
• M16: 11,671,775 km (0.112 R)
• M17: 11,920,557 km (0.088 R)
• M18: 13,830,922 km (0.072 R)
• M19: 14,320,855 km (0.091 R)
• M20: 15,784,221 km (0.11 R)
• M21: 16,865,963 km (0.091 R)
• M22: 23,022,664 km (0.093 R)
• M23: 28,124,100 km (0.051 R)
• M24: 30,289,230 km (0.055 R)
• M25: 30,406,066 km (0.093 R)
• M26: 33,179,461 km (0.088 R)
• M27: 39,640,444 km (0.091 R)
• M28: 44,584,803 km (0.113 R)
• M29: 48,152,712 km (0.119 R)
• M30: 55,150,452 km (0.088 R)
• M31: 56,026,198 km (0.114 R)
• M32: 59,072,609 km (0.046 R)
• M33: 64,521,262 km (0.054 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 15,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit