🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.4

Radius: 13.6

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.71 AU - 0.95 AU

Year: 513 Days

Day: 6.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,957,563 km

• M1: 169,195 km (0.064 R)
• M2: 638,933 km (0.114 R)
• M3: 1,364,482 km (0.09 R)
• M4: 1,890,468 km (0.111 R)
• M5: 2,511,299 km (0.063 R)
• M6: 3,339,324 km (0.119 R)
• M7: 4,152,837 km (0.095 R)
• M8: 5,144,671 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.3

Radius: 11.9

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.73 AU - 1.21 AU

Year: 648 Days

Day: 14.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,957,563 km

• M1: 149,149 km (0.089 R)
• M2: 523,443 km (0.08 R)
• M3: 1,173,745 km (0.118 R)
• M4: 1,720,974 km (0.117 R)
• M5: 2,188,467 km (0.092 R)
• M6: 2,599,113 km (0.095 R)
• M7: 3,456,309 km (0.079 R)
• M8: 4,222,998 km (0.058 R)
• M9: 4,759,606 km (0.063 R)
• M10: 5,131,656 km (0.095 R)
• M11: 5,743,661 km (0.099 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.7

Radius: 5.4

Gravity: 13.09 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.24 AU - 6.48 AU

Year: 9621 Days

Day: 21.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,957,563 km

• M1: 67,169 km (0.095 R)
• M2: 797,656 km (0.103 R)
• M3: 1,670,559 km (0.095 R)
• M4: 2,223,174 km (0.093 R)
• M5: 2,414,210 km (0.063 R)
• M6: 2,616,317 km (0.099 R)
• M7: 2,809,897 km (0.058 R)
• M8: 3,564,020 km (0.106 R)
• M9: 4,337,590 km (0.045 R)
• M10: 7,632,184 km (0.107 R)
• M11: 9,754,230 km (0.112 R)
• M12: 13,918,287 km (0.093 R)
• M13: 29,271,965 km (0.045 R)
• M14: 33,912,491 km (0.092 R)
• M15: 34,231,134 km (0.06 R)
• M16: 34,982,415 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.3

Radius: 5.8

Gravity: 20.97 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.56 AU - 7.6 AU

Year: 10168 Days

Day: 24.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,957,563 km

• M1: 74,799 km (0.076 R)
• M2: 291,716 km (0.041 R)
• M3: 564,582 km (0.116 R)
• M4: 1,099,694 km (0.114 R)
• M5: 1,339,499 km (0.075 R)
• M6: 2,078,962 km (0.115 R)
• M7: 3,038,482 km (0.072 R)
• M8: 3,465,135 km (0.064 R)
• M9: 3,692,823 km (0.11 R)
• M10: 3,957,761 km (0.1 R)
• M11: 4,235,116 km (0.11 R)
• M12: 7,555,740 km (0.094 R)
• M13: 7,853,439 km (0.09 R)
• M14: 8,203,050 km (0.081 R)
• M15: 8,933,536 km (0.104 R)
• M16: 9,411,501 km (0.041 R)
• M17: 10,211,700 km (0.101 R)
• M18: 11,056,180 km (0.097 R)
• M19: 11,274,444 km (0.087 R)
• M20: 11,663,248 km (0.111 R)
• M21: 11,889,440 km (0.096 R)
• M22: 13,431,495 km (0.088 R)
• M23: 14,902,790 km (0.06 R)
• M24: 16,126,650 km (0.106 R)
• M25: 17,489,786 km (0.099 R)
• M26: 18,161,630 km (0.081 R)
• M27: 19,319,219 km (0.104 R)
• M28: 22,470,498 km (0.083 R)
• M29: 22,997,381 km (0.063 R)
• M30: 25,376,736 km (0.091 R)
• M31: 27,018,123 km (0.097 R)
• M32: 29,141,815 km (0.08 R)
• M33: 33,149,841 km (0.101 R)
• M34: 36,176,206 km (0.051 R)
• M35: 42,906,016 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.5

Radius: 5.2

Gravity: 20.77 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.75 AU - 6.95 AU

Year: 10853 Days

Day: 20 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,957,563 km

• M1: 70,161 km (0.071 R)
• M2: 265,835 km (0.097 R)
• M3: 443,109 km (0.044 R)
• M4: 867,817 km (0.119 R)
• M5: 1,206,656 km (0.059 R)
• M6: 1,543,401 km (0.086 R)
• M7: 2,024,358 km (0.063 R)
• M8: 2,199,238 km (0.114 R)
• M9: 2,539,723 km (0.116 R)
• M10: 3,002,579 km (0.074 R)
• M11: 3,905,552 km (0.114 R)
• M12: 5,428,757 km (0.081 R)
• M13: 6,755,391 km (0.104 R)
• M14: 7,473,162 km (0.081 R)
• M15: 9,105,873 km (0.047 R)
• M16: 11,340,117 km (0.119 R)
• M17: 11,615,227 km (0.07 R)
• M18: 12,408,844 km (0.088 R)
• M19: 13,057,351 km (0.087 R)
• M20: 14,809,890 km (0.107 R)
• M21: 15,606,798 km (0.119 R)
• M22: 16,431,830 km (0.118 R)
• M23: 17,357,991 km (0.106 R)
• M24: 17,576,553 km (0.053 R)
• M25: 17,870,962 km (0.087 R)
• M26: 22,258,069 km (0.114 R)
• M27: 23,390,824 km (0.115 R)
• M28: 25,207,690 km (0.061 R)
• M29: 26,150,456 km (0.077 R)
• M30: 27,018,722 km (0.026 R)
• M31: 29,017,050 km (0.081 R)
• M32: 31,868,086 km (0.079 R)
• M33: 32,305,660 km (0.1 R)
• M34: 37,025,323 km (0.109 R)
• M35: 41,401,211 km (0.088 R)
• M36: 42,053,308 km (0.104 R)
• M37: 42,579,743 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.1

Radius: 7.3

Gravity: 18.43 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.05 AU - 8.07 AU

Year: 14099 Days

Day: 20.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,957,563 km

• M1: 90,806 km (0.047 R)
• M2: 373,995 km (0.105 R)
• M3: 609,611 km (0.114 R)
• M4: 853,605 km (0.089 R)
• M5: 1,960,031 km (0.089 R)
• M6: 2,485,569 km (0.081 R)
• M7: 3,584,515 km (0.11 R)
• M8: 6,696,599 km (0.117 R)
• M9: 7,272,700 km (0.049 R)
• M10: 8,422,360 km (0.11 R)
• M11: 9,040,499 km (0.081 R)
• M12: 11,945,540 km (0.109 R)
• M13: 13,195,879 km (0.078 R)
• M14: 14,171,406 km (0.072 R)
• M15: 15,647,339 km (0.045 R)
• M16: 16,979,957 km (0.111 R)
• M17: 19,513,696 km (0.031 R)
• M18: 20,229,671 km (0.096 R)
• M19: 21,336,247 km (0.11 R)
• M20: 22,775,677 km (0.085 R)
• M21: 26,928,514 km (0.101 R)
• M22: 27,591,981 km (0.049 R)
• M23: 28,379,913 km (0.093 R)
• M24: 33,806,576 km (0.044 R)
• M25: 36,829,949 km (0.109 R)
• M26: 39,743,816 km (0.113 R)
• M27: 43,107,374 km (0.089 R)
• M28: 46,025,430 km (0.1 R)
• M29: 49,565,664 km (0.109 R)
• M30: 51,910,611 km (0.099 R)
• M31: 53,283,171 km (0.042 R)
• M32: 58,461,950 km (0.111 R)
• M33: 63,771,179 km (0.087 R)
• M34: 64,162,228 km (0.099 R)
• M35: 65,344,948 km (0.12 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 14,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit