🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.4

Radius: 11.3

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.59 AU - 0.81 AU

Year: 391 Days

Day: 9.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 64,440,550 km

• M1: 141,669 km (0.053 R)
• M2: 588,069 km (0.038 R)
• M3: 1,841,251 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.4

Radius: 14.7

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.74 AU - 3.02 AU

Year: 3259 Days

Day: 7.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,440,550 km

• M1: 183,856 km (0.112 R)
• M2: 648,656 km (0.051 R)
• M3: 1,107,024 km (0.048 R)
• M4: 1,737,130 km (0.094 R)
• M5: 2,509,504 km (0.062 R)
• M6: 3,109,541 km (0.093 R)
• M7: 4,601,930 km (0.078 R)
• M8: 5,698,033 km (0.033 R)
• M9: 6,441,385 km (0.082 R)
• M10: 10,243,265 km (0.038 R)
• M11: 12,429,788 km (0.114 R)
• M12: 13,882,533 km (0.076 R)
• M13: 15,177,302 km (0.085 R)
• M14: 17,709,097 km (0.111 R)
• M15: 18,187,062 km (0.106 R)
• M16: 22,605,285 km (0.053 R)
• M17: 23,239,132 km (0.095 R)
• M18: 24,542,578 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.2

Radius: 14.9

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.93 AU - 4.33 AU

Year: 4612 Days

Day: 7.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,440,550 km

• M1: 185,352 km (0.052 R)
• M2: 669,151 km (0.114 R)
• M3: 1,143,377 km (0.098 R)
• M4: 2,702,785 km (0.085 R)
• M5: 3,732,916 km (0.058 R)
• M6: 4,398,028 km (0.052 R)
• M7: 7,138,810 km (0.048 R)
• M8: 7,607,501 km (0.086 R)
• M9: 8,168,343 km (0.104 R)
• M10: 8,719,162 km (0.069 R)
• M11: 13,248,687 km (0.082 R)
• M12: 14,748,704 km (0.034 R)
• M13: 18,769,596 km (0.108 R)
• M14: 20,997,557 km (0.087 R)
• M15: 21,894,247 km (0.097 R)
• M16: 26,052,020 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.3

Radius: 13.7

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.53 AU - 5.39 AU

Year: 7366 Days

Day: 9.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,440,550 km

• M1: 173,384 km (0.112 R)
• M2: 751,729 km (0.072 R)
• M3: 1,224,010 km (0.044 R)
• M4: 2,483,624 km (0.083 R)
• M5: 3,453,467 km (0.115 R)
• M6: 8,168,792 km (0.048 R)
• M7: 10,802,163 km (0.092 R)
• M8: 12,568,166 km (0.096 R)
• M9: 13,250,931 km (0.09 R)
• M10: 13,847,826 km (0.069 R)
• M11: 16,853,397 km (0.079 R)
• M12: 23,176,301 km (0.077 R)
• M13: 24,123,704 km (0.048 R)
• M14: 24,932,879 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.7

Radius: 5.6

Gravity: 21.77 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.37 AU - 7.05 AU

Year: 11591 Days

Day: 15.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,440,550 km

• M1: 69,713 km (0.096 R)
• M2: 289,771 km (0.101 R)
• M3: 686,804 km (0.099 R)
• M4: 954,883 km (0.088 R)
• M5: 1,215,483 km (0.065 R)
• M6: 1,396,795 km (0.093 R)
• M7: 2,125,187 km (0.078 R)
• M8: 2,331,782 km (0.12 R)
• M9: 2,531,346 km (0.096 R)
• M10: 2,829,793 km (0.076 R)
• M11: 3,950,730 km (0.048 R)
• M12: 4,352,999 km (0.057 R)
• M13: 4,845,475 km (0.099 R)
• M14: 5,759,967 km (0.091 R)
• M15: 9,687,210 km (0.069 R)
• M16: 10,310,884 km (0.077 R)
• M17: 10,905,685 km (0.116 R)
• M18: 11,239,737 km (0.07 R)
• M19: 19,113,522 km (0.102 R)
• M20: 19,680,797 km (0.118 R)
• M21: 20,175,816 km (0.116 R)
• M22: 22,596,459 km (0.064 R)
• M23: 23,139,350 km (0.059 R)
• M24: 26,780,712 km (0.117 R)
• M25: 31,341,502 km (0.045 R)
• M26: 32,700,898 km (0.101 R)
• M27: 33,046,918 km (0.093 R)
• M28: 33,278,794 km (0.044 R)
• M29: 34,574,162 km (0.112 R)
• M30: 34,813,220 km (0.06 R)
• M31: 35,658,597 km (0.115 R)
• M32: 37,264,830 km (0.088 R)
• M33: 43,196,834 km (0.083 R)
• M34: 44,595,424 km (0.059 R)
• M35: 45,735,809 km (0.115 R)
• M36: 46,603,776 km (0.096 R)
• M37: 48,372,621 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553

Radius: 4.4

Gravity: 28.56 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.18 AU - 10.38 AU

Year: 17349 Days

Day: 24.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 59.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,440,550 km

• M1: 54,753 km (0.079 R)
• M2: 318,494 km (0.111 R)
• M3: 676,930 km (0.04 R)
• M4: 858,692 km (0.088 R)
• M5: 1,252,882 km (0.102 R)
• M6: 1,917,695 km (0.111 R)
• M7: 2,285,407 km (0.098 R)
• M8: 2,675,708 km (0.064 R)
• M9: 2,838,919 km (0.03 R)
• M10: 4,656,533 km (0.088 R)
• M11: 5,354,557 km (0.107 R)
• M12: 5,805,295 km (0.063 R)
• M13: 7,769,665 km (0.12 R)
• M14: 8,151,289 km (0.079 R)
• M15: 8,900,625 km (0.077 R)
• M16: 9,858,948 km (0.062 R)
• M17: 10,193,150 km (0.072 R)
• M18: 13,413,095 km (0.1 R)
• M19: 13,685,812 km (0.114 R)
• M20: 18,314,071 km (0.102 R)
• M21: 20,568,810 km (0.088 R)
• M22: 21,206,097 km (0.106 R)
• M23: 22,328,829 km (0.11 R)
• M24: 25,515,862 km (0.118 R)
• M25: 27,764,318 km (0.072 R)
• M26: 29,106,809 km (0.116 R)
• M27: 32,896,871 km (0.065 R)
• M28: 33,767,531 km (0.106 R)
• M29: 37,270,365 km (0.032 R)
• M30: 39,040,108 km (0.076 R)
• M31: 39,735,438 km (0.075 R)
• M32: 40,438,997 km (0.084 R)
• M33: 41,726,137 km (0.065 R)
• M34: 51,013,024 km (0.077 R)
• M35: 53,022,123 km (0.109 R)
• M36: 56,841,357 km (0.037 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 14,186 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit