🌌 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: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.8

Radius: 10.6

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.74 AU - 0.94 AU

Year: 522 Days

Day: 9.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,150,086 km

• M1: 132,095 km (0.098 R)
• M2: 463,903 km (0.052 R)
• M3: 850,913 km (0.072 R)
• M4: 1,325,138 km (0.119 R)
• M5: 1,674,000 km (0.079 R)
• M6: 2,068,639 km (0.072 R)
• M7: 2,620,805 km (0.104 R)
• M8: 3,754,159 km (0.057 R)
• M9: 4,438,270 km (0.104 R)
• M10: 5,126,420 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.4

Radius: 12.6

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.13 AU - 1.67 AU

Year: 1124 Days

Day: 14.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,150,086 km

• M1: 156,779 km (0.11 R)
• M2: 572,661 km (0.093 R)
• M3: 1,021,753 km (0.038 R)
• M4: 1,433,746 km (0.115 R)
• M5: 1,858,454 km (0.064 R)
• M6: 2,263,715 km (0.097 R)
• M7: 2,768,009 km (0.091 R)
• M8: 3,453,467 km (0.081 R)
• M9: 5,003,450 km (0.106 R)
• M10: 5,956,239 km (0.038 R)
• M11: 6,511,846 km (0.113 R)
• M12: 8,618,333 km (0.106 R)
• M13: 9,953,644 km (0.075 R)
• M14: 11,214,156 km (0.046 R)
• M15: 12,541,238 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.5

Radius: 13.2

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.18 AU - 1.74 AU

Year: 1197 Days

Day: 12.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,150,086 km

• M1: 164,258 km (0.092 R)
• M2: 655,837 km (0.107 R)
• M3: 1,186,162 km (0.067 R)
• M4: 1,624,184 km (0.086 R)
• M5: 2,181,885 km (0.105 R)
• M6: 3,337,528 km (0.049 R)
• M7: 3,904,504 km (0.064 R)
• M8: 4,583,978 km (0.111 R)
• M9: 5,769,242 km (0.118 R)
• M10: 7,305,462 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.3

Radius: 11.3

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.94 AU - 2.04 AU

Year: 1904 Days

Day: 10.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,150,086 km

• M1: 142,268 km (0.085 R)
• M2: 529,576 km (0.082 R)
• M3: 921,822 km (0.085 R)
• M4: 1,498,971 km (0.107 R)
• M5: 1,961,826 km (0.102 R)
• M6: 2,341,805 km (0.088 R)
• M7: 3,709,878 km (0.086 R)
• M8: 4,332,504 km (0.081 R)
• M9: 4,829,767 km (0.103 R)
• M10: 5,263,003 km (0.045 R)
• M11: 5,961,625 km (0.065 R)
• M12: 6,507,657 km (0.032 R)
• M13: 7,211,814 km (0.075 R)
• M14: 8,047,019 km (0.111 R)
• M15: 8,887,609 km (0.073 R)
• M16: 9,329,222 km (0.099 R)
• M17: 11,761,833 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855

Radius: 9.1

Gravity: 10.32 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.74 AU - 3.42 AU

Year: 3666 Days

Day: 9.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,150,086 km

• M1: 113,096 km (0.094 R)
• M2: 570,566 km (0.082 R)
• M3: 874,848 km (0.109 R)
• M4: 1,241,812 km (0.052 R)
• M5: 1,710,951 km (0.102 R)
• M6: 2,091,378 km (0.034 R)
• M7: 2,759,782 km (0.09 R)
• M8: 3,097,723 km (0.081 R)
• M9: 4,144,011 km (0.119 R)
• M10: 4,564,829 km (0.106 R)
• M11: 6,539,821 km (0.106 R)
• M12: 8,463,350 km (0.081 R)
• M13: 8,988,139 km (0.105 R)
• M14: 10,061,654 km (0.097 R)
• M15: 10,607,985 km (0.102 R)
• M16: 11,129,782 km (0.118 R)
• M17: 12,130,592 km (0.045 R)
• M18: 14,786,852 km (0.051 R)
• M19: 21,423,462 km (0.073 R)
• M20: 25,269,624 km (0.102 R)
• M21: 25,732,180 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.4

Radius: 4.9

Gravity: 33.09 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.6 AU - 6.94 AU

Year: 11947 Days

Day: 20.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,150,086 km

• M1: 60,886 km (0.081 R)
• M2: 301,739 km (0.07 R)
• M3: 461,809 km (0.08 R)
• M4: 786,735 km (0.081 R)
• M5: 1,882,390 km (0.089 R)
• M6: 2,209,561 km (0.092 R)
• M7: 2,552,439 km (0.075 R)
• M8: 3,293,248 km (0.087 R)
• M9: 3,498,945 km (0.072 R)
• M10: 5,755,928 km (0.083 R)
• M11: 7,442,644 km (0.112 R)
• M12: 8,589,311 km (0.08 R)
• M13: 8,832,109 km (0.102 R)
• M14: 10,222,770 km (0.093 R)
• M15: 11,400,555 km (0.089 R)
• M16: 14,701,282 km (0.047 R)
• M17: 15,330,640 km (0.113 R)
• M18: 16,271,162 km (0.092 R)
• M19: 20,077,530 km (0.07 R)
• M20: 20,764,783 km (0.117 R)
• M21: 24,729,276 km (0.087 R)
• M22: 25,220,705 km (0.114 R)
• M23: 30,610,567 km (0.054 R)
• M24: 31,176,944 km (0.112 R)
• M25: 33,512,616 km (0.068 R)
• M26: 33,752,421 km (0.114 R)
• M27: 35,091,771 km (0.099 R)
• M28: 37,102,665 km (0.081 R)
• M29: 39,856,762 km (0.068 R)
• M30: 44,310,740 km (0.119 R)
• M31: 52,559,267 km (0.107 R)
• M32: 53,698,156 km (0.079 R)
• M33: 53,862,265 km (0.076 R)
• M34: 54,521,692 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.9

Radius: 4.9

Gravity: 35.9 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.64 AU - 7.28 AU

Year: 12454 Days

Day: 17.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,150,086 km

• M1: 60,886 km (0.09 R)
• M2: 214,823 km (0.098 R)
• M3: 427,700 km (0.082 R)
• M4: 591,660 km (0.116 R)
• M5: 973,733 km (0.087 R)
• M6: 1,137,093 km (0.107 R)
• M7: 1,305,391 km (0.084 R)
• M8: 1,566,140 km (0.1 R)
• M9: 1,985,164 km (0.118 R)
• M10: 2,230,953 km (0.026 R)
• M11: 3,637,921 km (0.085 R)
• M12: 4,306,923 km (0.11 R)
• M13: 9,070,867 km (0.086 R)
• M14: 10,968,665 km (0.11 R)
• M15: 11,736,252 km (0.077 R)
• M16: 12,102,318 km (0.055 R)
• M17: 13,844,685 km (0.118 R)
• M18: 14,600,004 km (0.117 R)
• M19: 16,570,208 km (0.093 R)
• M20: 18,139,041 km (0.087 R)
• M21: 18,546,097 km (0.113 R)
• M22: 21,477,916 km (0.118 R)
• M23: 27,167,123 km (0.07 R)
• M24: 27,485,916 km (0.046 R)
• M25: 28,348,497 km (0.104 R)
• M26: 28,896,773 km (0.099 R)
• M27: 31,044,401 km (0.115 R)
• M28: 31,626,785 km (0.048 R)
• M29: 34,399,881 km (0.068 R)
• M30: 47,574,367 km (0.101 R)
• M31: 52,507,805 km (0.117 R)
• M32: 54,337,238 km (0.098 R)
• M33: 58,475,115 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.7

Radius: 4.6

Gravity: 41.62 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.19 AU - 7.71 AU

Year: 13792 Days

Day: 19.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,150,086 km

• M1: 57,146 km (0.099 R)
• M2: 292,913 km (0.113 R)
• M3: 446,250 km (0.111 R)
• M4: 646,263 km (0.03 R)
• M5: 862,881 km (0.086 R)
• M6: 1,473,539 km (0.053 R)
• M7: 1,630,916 km (0.092 R)
• M8: 1,942,379 km (0.069 R)
• M9: 2,397,156 km (0.112 R)
• M10: 3,884,608 km (0.117 R)
• M11: 5,368,170 km (0.067 R)
• M12: 6,015,630 km (0.101 R)
• M13: 6,337,564 km (0.118 R)
• M14: 9,827,234 km (0.077 R)
• M15: 11,449,174 km (0.118 R)
• M16: 11,756,597 km (0.116 R)
• M17: 12,516,555 km (0.082 R)
• M18: 13,648,562 km (0.1 R)
• M19: 19,289,897 km (0.112 R)
• M20: 20,978,109 km (0.077 R)
• M21: 22,093,661 km (0.109 R)
• M22: 23,939,998 km (0.045 R)
• M23: 26,522,506 km (0.083 R)
• M24: 28,943,747 km (0.07 R)
• M25: 29,628,756 km (0.093 R)
• M26: 30,558,955 km (0.112 R)
• M27: 30,912,605 km (0.084 R)
• M28: 31,990,308 km (0.066 R)
• M29: 34,729,594 km (0.028 R)
• M30: 40,954,212 km (0.096 R)
• M31: 46,159,620 km (0.11 R)
• M32: 53,819,779 km (0.097 R)
• M33: 54,854,846 km (0.047 R)
• M34: 63,616,794 km (0.107 R)
• M35: 64,193,344 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508

Radius: 6.6

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.78 AU - 9.26 AU

Year: 15405 Days

Day: 23 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,150,086 km

• M1: 86,019 km (0.061 R)
• M2: 332,406 km (0.091 R)
• M3: 594,652 km (0.119 R)
• M4: 1,017,864 km (0.118 R)
• M5: 1,405,771 km (0.101 R)
• M6: 1,737,878 km (0.059 R)
• M7: 1,993,541 km (0.115 R)
• M8: 2,313,531 km (0.115 R)
• M9: 3,483,686 km (0.076 R)
• M10: 3,836,288 km (0.041 R)
• M11: 4,487,039 km (0.049 R)
• M12: 5,243,405 km (0.034 R)
• M13: 5,561,600 km (0.078 R)
• M14: 6,798,026 km (0.113 R)
• M15: 7,524,623 km (0.052 R)
• M16: 8,160,863 km (0.072 R)
• M17: 8,734,272 km (0.091 R)
• M18: 10,339,906 km (0.115 R)
• M19: 11,415,814 km (0.056 R)
• M20: 12,132,687 km (0.08 R)
• M21: 12,378,177 km (0.086 R)
• M22: 13,070,366 km (0.114 R)
• M23: 13,393,497 km (0.119 R)
• M24: 13,721,865 km (0.029 R)
• M25: 16,321,427 km (0.115 R)
• M26: 19,398,206 km (0.037 R)
• M27: 24,952,626 km (0.04 R)
• M28: 26,157,337 km (0.044 R)
• M29: 29,009,121 km (0.08 R)
• M30: 31,828,443 km (0.114 R)
• M31: 35,321,703 km (0.03 R)
• M32: 40,684,188 km (0.1 R)
• M33: 48,541,517 km (0.1 R)
• M34: 51,690,702 km (0.075 R)
• M35: 53,479,444 km (0.029 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.3

Radius: 5.9

Gravity: 25.6 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.81 AU - 10.23 AU

Year: 16867 Days

Day: 22.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,150,086 km

• M1: 73,303 km (0.081 R)
• M2: 294,558 km (0.046 R)
• M3: 683,961 km (0.081 R)
• M4: 3,917,519 km (0.096 R)
• M5: 4,708,443 km (0.104 R)
• M6: 6,513,491 km (0.087 R)
• M7: 7,862,864 km (0.113 R)
• M8: 12,600,629 km (0.075 R)
• M9: 13,292,668 km (0.12 R)
• M10: 14,827,692 km (0.073 R)
• M11: 16,477,308 km (0.078 R)
• M12: 18,773,037 km (0.096 R)
• M13: 24,514,154 km (0.099 R)
• M14: 25,919,776 km (0.072 R)
• M15: 27,264,062 km (0.087 R)
• M16: 28,419,407 km (0.118 R)
• M17: 33,760,200 km (0.108 R)
• M18: 52,647,979 km (0.082 R)
• M19: 59,082,781 km (0.108 R)
• M20: 66,434,320 km (0.102 R)
• M21: 71,515,262 km (0.097 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: 335 - 19,353 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit