🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.1

Radius: 9.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1 AU - 1.38 AU

Year: 838 Days

Day: 15 Hours

Environment

Temp: -167 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,414,349 km

• M1: 116,986 km (0.055 R)
• M2: 473,926 km (0.098 R)
• M3: 775,515 km (0.03 R)
• M4: 1,280,259 km (0.083 R)
• M5: 2,154,658 km (0.098 R)
• M6: 2,619,459 km (0.11 R)
• M7: 3,114,179 km (0.108 R)
• M8: 3,710,326 km (0.118 R)
• M9: 4,579,939 km (0.079 R)
• M10: 5,299,654 km (0.111 R)
• M11: 7,046,359 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.6

Radius: 9.3

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.92 AU - 4.54 AU

Year: 5617 Days

Day: 14.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,414,349 km

• M1: 124,316 km (0.064 R)
• M2: 592,258 km (0.079 R)
• M3: 1,203,664 km (0.081 R)
• M4: 1,640,041 km (0.098 R)
• M5: 2,626,639 km (0.103 R)
• M6: 6,380,798 km (0.108 R)
• M7: 7,743,485 km (0.118 R)
• M8: 10,767,008 km (0.094 R)
• M9: 11,383,650 km (0.111 R)
• M10: 11,740,740 km (0.049 R)
• M11: 14,087,781 km (0.115 R)
• M12: 15,347,246 km (0.069 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223.7

Radius: 7.8

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.88 AU - 8.1 AU

Year: 11932 Days

Day: 15.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,414,349 km

• M1: 104,270 km (0.089 R)
• M2: 347,067 km (0.06 R)
• M3: 786,286 km (0.067 R)
• M4: 1,211,144 km (0.111 R)
• M5: 1,552,676 km (0.031 R)
• M6: 1,883,288 km (0.113 R)
• M7: 2,210,608 km (0.071 R)
• M8: 2,801,968 km (0.111 R)
• M9: 3,230,566 km (0.079 R)
• M10: 3,678,612 km (0.12 R)
• M11: 4,867,017 km (0.118 R)
• M12: 5,395,397 km (0.114 R)
• M13: 6,848,441 km (0.096 R)
• M14: 10,221,574 km (0.098 R)
• M15: 13,692,095 km (0.104 R)
• M16: 14,036,768 km (0.114 R)
• M17: 15,973,612 km (0.12 R)
• M18: 16,874,490 km (0.061 R)
• M19: 18,288,788 km (0.06 R)
• M20: 18,636,753 km (0.087 R)
• M21: 29,888,458 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.1

Radius: 4.2

Gravity: 29.71 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.45 AU - 8.97 AU

Year: 12500 Days

Day: 23.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,414,349 km

• M1: 52,210 km (0.103 R)
• M2: 210,335 km (0.109 R)
• M3: 557,252 km (0.115 R)
• M4: 695,032 km (0.12 R)
• M5: 904,918 km (0.093 R)
• M6: 1,132,306 km (0.048 R)
• M7: 1,304,493 km (0.094 R)
• M8: 2,564,407 km (0.107 R)
• M9: 3,066,906 km (0.105 R)
• M10: 3,453,317 km (0.105 R)
• M11: 4,351,952 km (0.071 R)
• M12: 8,099,229 km (0.082 R)
• M13: 8,415,628 km (0.116 R)
• M14: 11,195,007 km (0.094 R)
• M15: 11,587,552 km (0.101 R)
• M16: 15,891,333 km (0.104 R)
• M17: 18,318,409 km (0.083 R)
• M18: 26,860,896 km (0.113 R)
• M19: 28,901,261 km (0.089 R)
• M20: 31,152,410 km (0.079 R)
• M21: 34,685,164 km (0.119 R)
• M22: 35,278,768 km (0.09 R)
• M23: 38,856,401 km (0.112 R)
• M24: 50,568,568 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.4

Radius: 5.9

Gravity: 27.53 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.52 AU - 8.82 AU

Year: 15078 Days

Day: 16.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 70,414,349 km

• M1: 81,232 km (0.11 R)
• M2: 320,738 km (0.088 R)
• M3: 897,138 km (0.096 R)
• M4: 1,108,969 km (0.109 R)
• M5: 1,398,740 km (0.069 R)
• M6: 1,993,840 km (0.111 R)
• M7: 2,380,850 km (0.11 R)
• M8: 3,358,921 km (0.041 R)
• M9: 3,582,869 km (0.078 R)
• M10: 4,092,100 km (0.077 R)
• M11: 4,479,708 km (0.087 R)
• M12: 5,179,677 km (0.044 R)
• M13: 6,113,018 km (0.082 R)
• M14: 10,089,778 km (0.084 R)
• M15: 13,321,690 km (0.082 R)
• M16: 15,436,855 km (0.062 R)
• M17: 15,978,997 km (0.04 R)
• M18: 16,294,499 km (0.035 R)
• M19: 17,101,281 km (0.108 R)
• M20: 18,019,363 km (0.03 R)
• M21: 18,881,944 km (0.113 R)
• M22: 19,862,259 km (0.087 R)
• M23: 21,348,215 km (0.063 R)
• M24: 23,106,738 km (0.101 R)
• M25: 24,644,005 km (0.077 R)
• M26: 27,580,911 km (0.096 R)
• M27: 29,544,981 km (0.117 R)
• M28: 30,864,434 km (0.099 R)
• M29: 34,793,473 km (0.072 R)
• M30: 37,915,132 km (0.04 R)
• M31: 40,777,088 km (0.115 R)
• M32: 41,218,402 km (0.101 R)
• M33: 44,552,939 km (0.082 R)
• M34: 45,967,387 km (0.045 R)
• M35: 50,389,948 km (0.103 R)
• M36: 51,752,935 km (0.106 R)
• M37: 54,374,188 km (0.058 R)
• M38: 59,313,312 km (0.051 R)
• M39: 64,344,288 km (0.054 R)
• M40: 66,149,785 km (0.028 R)
• M41: 67,988,941 km (0.116 R)
• M42: 70,493,808 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.1

Radius: 6.9

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.78 AU - 10.46 AU

Year: 16341 Days

Day: 19.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,414,349 km

• M1: 86,468 km (0.098 R)
• M2: 500,704 km (0.062 R)
• M3: 715,527 km (0.111 R)
• M4: 1,015,171 km (0.113 R)
• M5: 1,293,423 km (0.115 R)
• M6: 2,201,781 km (0.099 R)
• M7: 3,897,623 km (0.057 R)
• M8: 4,119,177 km (0.052 R)
• M9: 4,557,200 km (0.085 R)
• M10: 5,355,753 km (0.105 R)
• M11: 6,743,274 km (0.107 R)
• M12: 7,648,191 km (0.11 R)
• M13: 7,908,342 km (0.095 R)
• M14: 9,202,064 km (0.112 R)
• M15: 10,418,295 km (0.069 R)
• M16: 11,175,410 km (0.101 R)
• M17: 12,084,815 km (0.08 R)
• M18: 16,007,122 km (0.106 R)
• M19: 17,013,915 km (0.111 R)
• M20: 23,589,789 km (0.109 R)
• M21: 26,241,112 km (0.082 R)
• M22: 32,691,922 km (0.054 R)
• M23: 44,719,591 km (0.101 R)
• M24: 46,709,242 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882.1

Radius: 5.7

Gravity: 27.15 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.95 AU - 11.17 AU

Year: 17608 Days

Day: 20.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 107.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,414,349 km

• M1: 76,445 km (0.099 R)
• M2: 307,274 km (0.094 R)
• M3: 521,349 km (0.067 R)
• M4: 725,400 km (0.076 R)
• M5: 1,108,071 km (0.079 R)
• M6: 2,122,046 km (0.062 R)
• M7: 2,727,169 km (0.034 R)
• M8: 3,469,773 km (0.116 R)
• M9: 3,765,079 km (0.073 R)
• M10: 4,647,108 km (0.071 R)
• M11: 5,699,380 km (0.069 R)
• M12: 5,943,972 km (0.115 R)
• M13: 6,238,381 km (0.112 R)
• M14: 13,199,170 km (0.093 R)
• M15: 14,214,191 km (0.089 R)
• M16: 14,588,934 km (0.029 R)
• M17: 15,202,285 km (0.12 R)
• M18: 15,515,394 km (0.082 R)
• M19: 15,993,060 km (0.092 R)
• M20: 20,551,307 km (0.098 R)
• M21: 20,838,086 km (0.066 R)
• M22: 29,382,368 km (0.052 R)
• M23: 31,106,035 km (0.091 R)
• M24: 31,610,628 km (0.101 R)
• M25: 34,618,742 km (0.104 R)
• M26: 39,997,534 km (0.118 R)
• M27: 41,196,710 km (0.111 R)
• M28: 43,040,205 km (0.061 R)
• M29: 43,352,715 km (0.114 R)
• M30: 44,617,864 km (0.036 R)
• M31: 55,823,044 km (0.118 R)
• M32: 60,784,607 km (0.066 R)
• M33: 61,572,988 km (0.099 R)
• M34: 66,865,162 km (0.084 R)
• M35: 67,916,386 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.4

Radius: 3.2

Gravity: 43.69 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 8.03 AU - 13.01 AU

Year: 22031 Days

Day: 15.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,414,349 km

• M1: 39,793 km (0.033 R)
• M2: 155,432 km (0.09 R)
• M3: 263,292 km (0.106 R)
• M4: 691,591 km (0.093 R)
• M5: 1,024,895 km (0.112 R)
• M6: 1,773,932 km (0.099 R)
• M7: 1,902,137 km (0.083 R)
• M8: 5,596,157 km (0.06 R)
• M9: 6,158,047 km (0.114 R)
• M10: 7,024,667 km (0.09 R)
• M11: 8,370,150 km (0.063 R)
• M12: 9,049,474 km (0.056 R)
• M13: 12,266,726 km (0.069 R)
• M14: 14,714,895 km (0.107 R)
• M15: 16,489,425 km (0.1 R)
• M16: 17,138,680 km (0.072 R)
• M17: 17,636,691 km (0.038 R)
• M18: 21,683,314 km (0.113 R)
• M19: 28,441,846 km (0.112 R)
• M20: 30,932,501 km (0.049 R)
• M21: 39,556,220 km (0.115 R)
• M22: 45,903,957 km (0.11 R)
• M23: 49,819,083 km (0.119 R)
• M24: 50,661,768 km (0.108 R)
• M25: 52,375,711 km (0.04 R)
• M26: 60,759,026 km (0.079 R)
• M27: 60,950,660 km (0.043 R)
• M28: 62,692,578 km (0.066 R)
• M29: 63,872,307 km (0.053 R)
• M30: 67,090,157 km (0.09 R)
• M31: 67,499,756 km (0.076 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 17,140 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit