🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.6

Radius: 9.5

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.87 AU - 1.43 AU

Year: 851 Days

Day: 10.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,945,555 km

• M1: 118,781 km (0.06 R)
• M2: 503,247 km (0.077 R)
• M3: 1,351,766 km (0.114 R)
• M4: 1,956,890 km (0.075 R)
• M5: 2,347,789 km (0.087 R)
• M6: 2,677,353 km (0.112 R)
• M7: 2,977,746 km (0.115 R)
• M8: 3,537,990 km (0.095 R)
• M9: 4,258,303 km (0.098 R)
• M10: 4,735,670 km (0.06 R)
• M11: 5,463,464 km (0.108 R)
• M12: 5,854,363 km (0.071 R)
• M13: 6,184,526 km (0.085 R)
• M14: 6,734,447 km (0.102 R)
• M15: 7,140,755 km (0.089 R)
• M16: 7,540,630 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.8

Radius: 12.9

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.29 AU - 1.77 AU

Year: 1306 Days

Day: 14.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,945,555 km

• M1: 160,519 km (0.031 R)
• M2: 611,706 km (0.083 R)
• M3: 1,081,593 km (0.066 R)
• M4: 1,618,649 km (0.114 R)
• M5: 2,261,471 km (0.034 R)
• M6: 2,871,830 km (0.08 R)
• M7: 3,292,350 km (0.07 R)
• M8: 3,704,492 km (0.12 R)
• M9: 4,425,255 km (0.099 R)
• M10: 5,237,870 km (0.116 R)
• M11: 5,916,446 km (0.04 R)
• M12: 6,979,638 km (0.078 R)
• M13: 7,449,824 km (0.1 R)
• M14: 8,366,859 km (0.087 R)
• M15: 9,609,569 km (0.113 R)
• M16: 10,028,293 km (0.092 R)
• M17: 10,696,248 km (0.088 R)
• M18: 11,287,309 km (0.097 R)
• M19: 11,790,257 km (0.085 R)
• M20: 12,270,616 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.8

Radius: 9.1

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.54 AU - 2.24 AU

Year: 1794 Days

Day: 6.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,945,555 km

• M1: 113,246 km (0.095 R)
• M2: 532,718 km (0.072 R)
• M3: 850,464 km (0.112 R)
• M4: 1,192,145 km (0.103 R)
• M5: 1,645,726 km (0.078 R)
• M6: 1,941,631 km (0.069 R)
• M7: 2,642,796 km (0.095 R)
• M8: 2,961,140 km (0.108 R)
• M9: 3,386,896 km (0.105 R)
• M10: 3,675,470 km (0.062 R)
• M11: 4,017,750 km (0.117 R)
• M12: 4,500,502 km (0.111 R)
• M13: 5,218,572 km (0.095 R)
• M14: 5,865,733 km (0.103 R)
• M15: 6,158,944 km (0.042 R)
• M16: 6,801,617 km (0.052 R)
• M17: 8,100,126 km (0.111 R)
• M18: 9,291,673 km (0.11 R)
• M19: 9,860,893 km (0.104 R)
• M20: 10,311,781 km (0.107 R)
• M21: 10,776,432 km (0.111 R)
• M22: 15,056,128 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.4

Radius: 14.6

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.1 AU - 2.16 AU

Year: 2146 Days

Day: 11.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,945,555 km

• M1: 182,809 km (0.064 R)
• M2: 640,877 km (0.1 R)
• M3: 1,130,661 km (0.118 R)
• M4: 2,004,013 km (0.057 R)
• M5: 2,465,822 km (0.097 R)
• M6: 3,199,898 km (0.091 R)
• M7: 3,803,077 km (0.103 R)
• M8: 4,461,756 km (0.065 R)
• M9: 5,195,684 km (0.098 R)
• M10: 5,697,585 km (0.06 R)
• M11: 6,589,188 km (0.031 R)
• M12: 7,123,551 km (0.051 R)
• M13: 7,686,937 km (0.096 R)
• M14: 8,903,467 km (0.116 R)
• M15: 10,070,181 km (0.082 R)
• M16: 10,636,409 km (0.077 R)
• M17: 12,264,482 km (0.111 R)
• M18: 13,836,905 km (0.092 R)
• M19: 15,400,652 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.8

Radius: 12.5

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.77 AU - 4.55 AU

Year: 4833 Days

Day: 13.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,945,555 km

• M1: 155,432 km (0.087 R)
• M2: 627,563 km (0.092 R)
• M3: 1,327,831 km (0.105 R)
• M4: 1,767,798 km (0.101 R)
• M5: 2,245,913 km (0.082 R)
• M6: 4,834,255 km (0.074 R)
• M7: 7,865,407 km (0.105 R)
• M8: 8,409,943 km (0.095 R)
• M9: 9,333,411 km (0.079 R)
• M10: 10,111,470 km (0.077 R)
• M11: 13,356,098 km (0.065 R)
• M12: 16,350,150 km (0.111 R)
• M13: 17,664,217 km (0.099 R)
• M14: 18,409,963 km (0.05 R)
• M15: 20,299,234 km (0.112 R)
• M16: 22,674,998 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.3

Radius: 5.4

Gravity: 15.07 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.95 AU - 8.35 AU

Year: 13197 Days

Day: 18.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 45,945,555 km

• M1: 67,169 km (0.067 R)
• M2: 248,482 km (0.071 R)
• M3: 435,479 km (0.054 R)
• M4: 852,558 km (0.08 R)
• M5: 1,055,563 km (0.071 R)
• M6: 1,408,165 km (0.103 R)
• M7: 1,590,076 km (0.071 R)
• M8: 2,665,385 km (0.032 R)
• M9: 2,923,442 km (0.091 R)
• M10: 4,385,013 km (0.115 R)
• M11: 4,964,705 km (0.111 R)
• M12: 5,157,985 km (0.063 R)
• M13: 5,389,862 km (0.093 R)
• M14: 6,463,376 km (0.074 R)
• M15: 8,742,500 km (0.096 R)
• M16: 9,508,889 km (0.105 R)
• M17: 10,794,833 km (0.117 R)
• M18: 12,309,212 km (0.119 R)
• M19: 14,151,809 km (0.119 R)
• M20: 17,692,940 km (0.049 R)
• M21: 20,192,571 km (0.066 R)
• M22: 21,697,226 km (0.048 R)
• M23: 23,455,001 km (0.071 R)
• M24: 23,817,477 km (0.038 R)
• M25: 27,551,141 km (0.114 R)
• M26: 33,912,491 km (0.11 R)
• M27: 34,961,621 km (0.106 R)
• M28: 35,792,338 km (0.113 R)
• M29: 36,514,895 km (0.048 R)
• M30: 37,247,027 km (0.11 R)
• M31: 39,758,327 km (0.084 R)
• M32: 44,697,749 km (0.076 R)
• M33: 46,954,732 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.1

Radius: 5.6

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 8.11 AU - 11.71 AU

Year: 21534 Days

Day: 22.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,945,555 km

• M1: 70,461 km (0.075 R)
• M2: 420,370 km (0.106 R)
• M3: 933,042 km (0.051 R)
• M4: 1,825,393 km (0.108 R)
• M5: 2,355,867 km (0.119 R)
• M6: 4,924,463 km (0.045 R)
• M7: 5,206,903 km (0.087 R)
• M8: 7,702,196 km (0.073 R)
• M9: 10,078,259 km (0.094 R)
• M10: 10,950,265 km (0.096 R)
• M11: 13,198,871 km (0.048 R)
• M12: 13,805,789 km (0.061 R)
• M13: 16,698,114 km (0.111 R)
• M14: 18,962,727 km (0.055 R)
• M15: 21,840,092 km (0.098 R)
• M16: 24,449,977 km (0.111 R)
• M17: 29,249,226 km (0.075 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 15,341 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit