🌌 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: 240.7

Radius: 13.9

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.61 AU - 0.77 AU

Year: 370 Days

Day: 5.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 81,947,086 km

• M1: 172,935 km (0.068 R)
• M2: 778,807 km (0.079 R)
• M3: 1,294,620 km (0.096 R)
• M4: 1,789,789 km (0.102 R)
• M5: 2,500,080 km (0.075 R)
• M6: 3,524,975 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.9

Radius: 9.4

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.72 AU - 0.86 AU

Year: 453 Days

Day: 11.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,947,086 km

• M1: 116,986 km (0.12 R)
• M2: 437,424 km (0.085 R)
• M3: 764,445 km (0.108 R)
• M4: 1,094,308 km (0.058 R)
• M5: 1,392,906 km (0.08 R)
• M6: 1,693,897 km (0.092 R)
• M7: 2,670,771 km (0.106 R)
• M8: 3,106,998 km (0.062 R)
• M9: 3,917,370 km (0.099 R)
• M10: 4,452,930 km (0.051 R)
• M11: 5,583,890 km (0.08 R)
• M12: 5,952,499 km (0.096 R)
• M13: 6,356,114 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963

Radius: 9.9

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.79 AU - 1.11 AU

Year: 598 Days

Day: 10.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,947,086 km

• M1: 123,119 km (0.092 R)
• M2: 559,945 km (0.108 R)
• M3: 1,214,884 km (0.04 R)
• M4: 1,700,928 km (0.064 R)
• M5: 2,213,450 km (0.117 R)
• M6: 2,610,184 km (0.044 R)
• M7: 2,981,037 km (0.083 R)
• M8: 3,440,153 km (0.098 R)
• M9: 3,858,428 km (0.07 R)
• M10: 4,373,344 km (0.037 R)
• M11: 4,697,224 km (0.082 R)
• M12: 5,037,110 km (0.107 R)
• M13: 5,862,741 km (0.12 R)
• M14: 6,420,292 km (0.106 R)
• M15: 7,412,874 km (0.106 R)
• M16: 7,946,041 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.8

Radius: 14.2

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.36 AU - 1.38 AU

Year: 1035 Days

Day: 6.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,947,086 km

• M1: 176,525 km (0.069 R)
• M2: 691,292 km (0.104 R)
• M3: 1,404,126 km (0.114 R)
• M4: 1,942,379 km (0.108 R)
• M5: 2,690,817 km (0.038 R)
• M6: 3,390,935 km (0.035 R)
• M7: 3,855,137 km (0.082 R)
• M8: 4,447,993 km (0.098 R)
• M9: 5,776,423 km (0.115 R)
• M10: 6,669,372 km (0.072 R)
• M11: 7,379,813 km (0.076 R)
• M12: 8,896,286 km (0.098 R)
• M13: 10,209,456 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.6

Radius: 8.3

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.48 AU - 1.5 AU

Year: 1174 Days

Day: 5.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,947,086 km

• M1: 103,372 km (0.042 R)
• M2: 371,302 km (0.116 R)
• M3: 784,491 km (0.036 R)
• M4: 1,129,913 km (0.106 R)
• M5: 1,720,525 km (0.063 R)
• M6: 2,126,683 km (0.082 R)
• M7: 2,502,772 km (0.108 R)
• M8: 2,821,865 km (0.045 R)
• M9: 3,216,354 km (0.096 R)
• M10: 3,634,031 km (0.111 R)
• M11: 5,395,846 km (0.089 R)
• M12: 5,766,998 km (0.093 R)
• M13: 6,540,868 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.9

Radius: 8.9

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.04 AU - 2.82 AU

Year: 2446 Days

Day: 13 Hours

Environment

Temp: -193 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,947,086 km

• M1: 110,702 km (0.109 R)
• M2: 392,994 km (0.1 R)
• M3: 795,412 km (0.098 R)
• M4: 1,133,802 km (0.077 R)
• M5: 1,542,653 km (0.103 R)
• M6: 2,723,728 km (0.089 R)
• M7: 3,184,639 km (0.066 R)
• M8: 3,525,423 km (0.093 R)
• M9: 6,358,059 km (0.07 R)
• M10: 6,660,995 km (0.066 R)
• M11: 7,680,504 km (0.104 R)
• M12: 7,997,652 km (0.097 R)
• M13: 8,378,827 km (0.113 R)
• M14: 9,839,950 km (0.12 R)
• M15: 10,246,108 km (0.11 R)
• M16: 11,025,513 km (0.107 R)
• M17: 11,361,659 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.7

Radius: 4.5

Gravity: 19.84 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.58 AU - 9.02 AU

Year: 12735 Days

Day: 21 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,947,086 km

• M1: 59,690 km (0.063 R)
• M2: 308,321 km (0.047 R)
• M3: 510,877 km (0.112 R)
• M4: 723,306 km (0.085 R)
• M5: 912,397 km (0.104 R)
• M6: 1,100,592 km (0.05 R)
• M7: 1,352,814 km (0.111 R)
• M8: 1,499,719 km (0.088 R)
• M9: 2,040,216 km (0.071 R)
• M10: 2,216,143 km (0.103 R)
• M11: 2,848,792 km (0.05 R)
• M12: 3,594,238 km (0.076 R)
• M13: 5,101,886 km (0.088 R)
• M14: 5,262,853 km (0.059 R)
• M15: 6,791,295 km (0.094 R)
• M16: 7,719,549 km (0.084 R)
• M17: 8,683,708 km (0.115 R)
• M18: 9,100,338 km (0.089 R)
• M19: 9,433,642 km (0.075 R)
• M20: 12,054,297 km (0.064 R)
• M21: 13,347,272 km (0.074 R)
• M22: 17,923,770 km (0.119 R)
• M23: 18,522,610 km (0.073 R)
• M24: 18,980,379 km (0.087 R)
• M25: 19,445,778 km (0.044 R)
• M26: 23,181,088 km (0.107 R)
• M27: 27,367,883 km (0.065 R)
• M28: 33,024,029 km (0.091 R)
• M29: 36,242,029 km (0.086 R)
• M30: 45,739,549 km (0.12 R)
• M31: 46,715,376 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.9

Radius: 5.6

Gravity: 30.8 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.96 AU - 9.98 AU

Year: 17346 Days

Day: 16 Hours

Environment

Temp: -225 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,947,086 km

• M1: 69,862 km (0.107 R)
• M2: 336,595 km (0.117 R)
• M3: 976,425 km (0.062 R)
• M4: 1,182,122 km (0.04 R)
• M5: 1,385,725 km (0.047 R)
• M6: 1,578,706 km (0.071 R)
• M7: 2,269,250 km (0.083 R)
• M8: 2,539,274 km (0.097 R)
• M9: 3,964,942 km (0.091 R)
• M10: 4,158,073 km (0.091 R)
• M11: 6,105,538 km (0.072 R)
• M12: 6,584,101 km (0.038 R)
• M13: 8,805,480 km (0.05 R)
• M14: 9,819,006 km (0.074 R)
• M15: 11,033,741 km (0.106 R)
• M16: 14,427,368 km (0.053 R)
• M17: 15,432,217 km (0.103 R)
• M18: 15,670,676 km (0.049 R)
• M19: 16,815,698 km (0.075 R)
• M20: 24,019,285 km (0.077 R)
• M21: 26,208,500 km (0.062 R)
• M22: 28,171,074 km (0.045 R)
• M23: 29,248,777 km (0.071 R)
• M24: 38,731,188 km (0.11 R)
• M25: 42,816,257 km (0.105 R)
• M26: 44,079,611 km (0.057 R)
• M27: 50,946,452 km (0.097 R)
• M28: 51,475,131 km (0.077 R)
• M29: 53,626,648 km (0.092 R)
• M30: 55,093,904 km (0.118 R)
• M31: 61,429,673 km (0.058 R)
• M32: 70,173,070 km (0.107 R)
• M33: 74,613,434 km (0.111 R)
• M34: 75,981,207 km (0.095 R)
• M35: 76,671,302 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.5

Radius: 5.4

Gravity: 33.9 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.91 AU - 10.89 AU

Year: 18608 Days

Day: 17.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,947,086 km

• M1: 70,610 km (0.075 R)
• M2: 332,556 km (0.086 R)
• M3: 552,615 km (0.075 R)
• M4: 772,523 km (0.113 R)
• M5: 1,089,671 km (0.08 R)
• M6: 1,286,093 km (0.102 R)
• M7: 1,625,680 km (0.046 R)
• M8: 2,277,927 km (0.084 R)
• M9: 3,313,892 km (0.09 R)
• M10: 3,488,323 km (0.066 R)
• M11: 4,081,628 km (0.118 R)
• M12: 5,587,480 km (0.111 R)
• M13: 6,133,513 km (0.082 R)
• M14: 6,714,401 km (0.062 R)
• M15: 8,299,690 km (0.116 R)
• M16: 11,121,405 km (0.087 R)
• M17: 12,817,546 km (0.082 R)
• M18: 13,690,000 km (0.082 R)
• M19: 15,552,195 km (0.113 R)
• M20: 16,969,186 km (0.077 R)
• M21: 17,841,790 km (0.118 R)
• M22: 19,299,472 km (0.055 R)
• M23: 21,032,264 km (0.092 R)
• M24: 22,140,784 km (0.03 R)
• M25: 29,125,957 km (0.091 R)
• M26: 34,748,593 km (0.113 R)
• M27: 36,010,451 km (0.099 R)
• M28: 36,294,987 km (0.114 R)
• M29: 40,898,861 km (0.088 R)
• M30: 42,939,974 km (0.1 R)
• M31: 49,645,101 km (0.081 R)
• M32: 52,147,424 km (0.107 R)
• M33: 54,732,475 km (0.075 R)
• M34: 55,297,357 km (0.052 R)
• M35: 62,792,210 km (0.045 R)
• M36: 68,292,625 km (0.073 R)
• M37: 71,159,518 km (0.087 R)
• M38: 74,105,549 km (0.063 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 12,588 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit