🌌 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: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.6

Radius: 11.2

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.59 AU - 0.79 AU

Year: 376 Days

Day: 12 Hours

Environment

Temp: -141 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,540,338 km

• M1: 139,276 km (0.039 R)
• M2: 606,919 km (0.054 R)
• M3: 1,067,830 km (0.118 R)
• M4: 1,455,737 km (0.104 R)
• M5: 1,907,074 km (0.113 R)
• M6: 2,404,786 km (0.104 R)
• M7: 3,626,103 km (0.106 R)
• M8: 3,998,003 km (0.055 R)
• M9: 4,381,273 km (0.056 R)
• M10: 4,774,266 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687

Radius: 14.5

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.84 AU - 0.92 AU

Year: 542 Days

Day: 6.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,540,338 km

• M1: 180,265 km (0.088 R)
• M2: 665,262 km (0.117 R)
• M3: 1,175,989 km (0.12 R)
• M4: 1,683,275 km (0.098 R)
• M5: 2,435,005 km (0.053 R)
• M6: 2,967,872 km (0.06 R)
• M7: 3,894,631 km (0.074 R)
• M8: 4,675,681 km (0.105 R)
• M9: 5,421,726 km (0.104 R)
• M10: 6,246,010 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.8

Radius: 13.5

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.89 AU - 2.67 AU

Year: 2258 Days

Day: 10.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,540,338 km

• M1: 169,345 km (0.105 R)
• M2: 750,832 km (0.059 R)
• M3: 1,397,543 km (0.071 R)
• M4: 1,965,267 km (0.093 R)
• M5: 2,603,901 km (0.1 R)
• M6: 4,203,551 km (0.12 R)
• M7: 6,448,865 km (0.046 R)
• M8: 9,207,450 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.7

Radius: 12.1

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.35 AU - 2.61 AU

Year: 2562 Days

Day: 8.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,540,338 km

• M1: 150,495 km (0.057 R)
• M2: 618,587 km (0.056 R)
• M3: 1,060,948 km (0.08 R)
• M4: 1,708,557 km (0.101 R)
• M5: 2,181,436 km (0.077 R)
• M6: 2,864,650 km (0.075 R)
• M7: 3,291,602 km (0.106 R)
• M8: 4,400,421 km (0.085 R)
• M9: 4,903,818 km (0.111 R)
• M10: 5,667,964 km (0.114 R)
• M11: 6,052,879 km (0.075 R)
• M12: 7,195,059 km (0.115 R)
• M13: 7,616,327 km (0.058 R)
• M14: 8,214,718 km (0.109 R)
• M15: 8,608,460 km (0.035 R)
• M16: 10,463,473 km (0.11 R)
• M17: 11,203,534 km (0.09 R)
• M18: 13,007,385 km (0.107 R)
• M19: 14,470,303 km (0.087 R)
• M20: 15,192,561 km (0.098 R)
• M21: 15,888,191 km (0.118 R)
• M22: 16,501,244 km (0.119 R)

Asteroid Belt

Center: 3.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.8

Radius: 12.7

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.42 AU - 5.26 AU

Year: 5931 Days

Day: 12.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,540,338 km

• M1: 167,699 km (0.106 R)
• M2: 596,148 km (0.116 R)
• M3: 1,206,806 km (0.107 R)
• M4: 1,940,883 km (0.052 R)
• M5: 2,418,998 km (0.077 R)
• M6: 3,874,884 km (0.082 R)
• M7: 5,090,816 km (0.111 R)
• M8: 5,724,213 km (0.091 R)
• M9: 6,175,400 km (0.086 R)
• M10: 7,333,736 km (0.08 R)
• M11: 7,984,487 km (0.111 R)
• M12: 9,985,957 km (0.116 R)
• M13: 10,883,095 km (0.114 R)
• M14: 11,884,952 km (0.032 R)
• M15: 14,071,625 km (0.092 R)
• M16: 15,444,185 km (0.102 R)
• M17: 20,244,332 km (0.051 R)
• M18: 21,372,599 km (0.118 R)
• M19: 24,754,558 km (0.077 R)
• M20: 30,086,077 km (0.08 R)
• M21: 36,028,403 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.6

Radius: 11.7

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.99 AU - 5.79 AU

Year: 8209 Days

Day: 13.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,540,338 km

• M1: 145,559 km (0.106 R)
• M2: 666,608 km (0.117 R)
• M3: 1,092,663 km (0.105 R)
• M4: 1,703,770 km (0.117 R)
• M5: 2,186,522 km (0.074 R)
• M6: 3,979,453 km (0.04 R)
• M7: 4,475,669 km (0.094 R)
• M8: 6,014,732 km (0.046 R)
• M9: 6,996,992 km (0.115 R)
• M10: 9,189,049 km (0.101 R)
• M11: 9,594,609 km (0.034 R)
• M12: 15,442,689 km (0.053 R)
• M13: 16,276,847 km (0.041 R)
• M14: 17,687,555 km (0.077 R)
• M15: 19,324,455 km (0.117 R)
• M16: 19,991,661 km (0.101 R)
• M17: 23,393,816 km (0.073 R)
• M18: 25,984,402 km (0.092 R)
• M19: 30,517,816 km (0.051 R)
• M20: 31,018,520 km (0.106 R)
• M21: 31,524,610 km (0.115 R)
• M22: 34,030,972 km (0.082 R)
• M23: 36,554,988 km (0.107 R)
• M24: 39,083,641 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983

Radius: 3.6

Gravity: 75.85 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.54 AU - 8.88 AU

Year: 12700 Days

Day: 23.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 169.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 86,540,338 km

• M1: 45,029 km (0.098 R)
• M2: 246,088 km (0.117 R)
• M3: 683,363 km (0.111 R)
• M4: 898,934 km (0.064 R)
• M5: 1,011,282 km (0.081 R)
• M6: 1,197,381 km (0.096 R)
• M7: 1,435,691 km (0.065 R)
• M8: 1,671,457 km (0.098 R)
• M9: 2,239,929 km (0.042 R)
• M10: 3,176,711 km (0.103 R)
• M11: 4,806,430 km (0.113 R)
• M12: 5,479,022 km (0.068 R)
• M13: 8,012,462 km (0.071 R)
• M14: 8,953,881 km (0.099 R)
• M15: 9,213,284 km (0.035 R)
• M16: 9,801,802 km (0.078 R)
• M17: 10,586,443 km (0.116 R)
• M18: 10,818,170 km (0.066 R)
• M19: 11,291,647 km (0.099 R)
• M20: 12,991,677 km (0.094 R)
• M21: 16,576,790 km (0.091 R)
• M22: 16,889,151 km (0.09 R)
• M23: 17,365,171 km (0.105 R)
• M24: 20,678,914 km (0.087 R)
• M25: 21,684,660 km (0.071 R)
• M26: 23,302,262 km (0.084 R)
• M27: 24,794,800 km (0.078 R)
• M28: 27,313,430 km (0.066 R)
• M29: 27,749,059 km (0.105 R)
• M30: 28,858,626 km (0.114 R)
• M31: 29,997,365 km (0.076 R)
• M32: 32,242,979 km (0.087 R)
• M33: 33,592,950 km (0.074 R)
• M34: 36,800,179 km (0.113 R)
• M35: 36,932,573 km (0.102 R)
• M36: 38,138,182 km (0.073 R)
• M37: 40,205,475 km (0.072 R)
• M38: 41,195,364 km (0.061 R)
• M39: 46,235,017 km (0.087 R)
• M40: 47,009,186 km (0.115 R)
• M41: 47,321,098 km (0.078 R)
• M42: 51,339,147 km (0.119 R)
• M43: 56,983,026 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.2

Radius: 5.4

Gravity: 33.72 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.72 AU - 10.96 AU

Year: 20249 Days

Day: 24.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,540,338 km

• M1: 67,169 km (0.108 R)
• M2: 244,293 km (0.078 R)
• M3: 563,086 km (0.12 R)
• M4: 902,823 km (0.049 R)
• M5: 3,680,108 km (0.104 R)
• M6: 4,447,246 km (0.099 R)
• M7: 6,519,625 km (0.08 R)
• M8: 7,234,254 km (0.063 R)
• M9: 8,320,484 km (0.071 R)
• M10: 8,539,196 km (0.117 R)
• M11: 15,663,645 km (0.12 R)
• M12: 16,939,116 km (0.036 R)
• M13: 17,557,404 km (0.118 R)
• M14: 18,008,143 km (0.108 R)
• M15: 21,689,447 km (0.09 R)
• M16: 21,896,042 km (0.099 R)
• M17: 27,861,257 km (0.099 R)
• M18: 29,727,490 km (0.097 R)
• M19: 31,147,773 km (0.053 R)
• M20: 34,123,125 km (0.108 R)
• M21: 35,679,541 km (0.109 R)
• M22: 36,402,248 km (0.119 R)
• M23: 38,026,881 km (0.097 R)
• M24: 38,932,995 km (0.037 R)
• M25: 39,238,175 km (0.027 R)
• M26: 55,646,518 km (0.076 R)
• M27: 67,842,934 km (0.037 R)
• M28: 68,284,846 km (0.108 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 19,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit