🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.5

Radius: 9.9

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.61 AU - 0.63 AU

Year: 326 Days

Day: 5.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,018,627 km

• M1: 123,867 km (0.101 R)
• M2: 467,344 km (0.118 R)
• M3: 808,726 km (0.113 R)
• M4: 1,213,688 km (0.098 R)
• M5: 1,577,510 km (0.12 R)
• M6: 1,990,100 km (0.105 R)
• M7: 2,418,848 km (0.104 R)
• M8: 2,887,688 km (0.062 R)
• M9: 3,222,189 km (0.101 R)
• M10: 3,692,075 km (0.089 R)
• M11: 4,180,512 km (0.113 R)
• M12: 4,828,870 km (0.103 R)
• M13: 5,397,940 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147

Radius: 12.1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.54 AU - 0.82 AU

Year: 374 Days

Day: 8.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 88,018,627 km

• M1: 150,795 km (0.08 R)
• M2: 551,418 km (0.114 R)
• M3: 1,009,935 km (0.088 R)
• M4: 1,574,218 km (0.096 R)
• M5: 2,881,853 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.1

Radius: 9.3

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.6 AU - 0.98 AU

Year: 468 Days

Day: 13.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,018,627 km

• M1: 115,789 km (0.09 R)
• M2: 447,896 km (0.102 R)
• M3: 751,879 km (0.086 R)
• M4: 1,159,533 km (0.094 R)
• M5: 1,555,668 km (0.095 R)
• M6: 1,946,567 km (0.096 R)
• M7: 2,277,328 km (0.094 R)
• M8: 3,030,703 km (0.108 R)
• M9: 3,452,719 km (0.054 R)
• M10: 3,927,542 km (0.087 R)
• M11: 4,311,859 km (0.107 R)
• M12: 4,627,960 km (0.049 R)
• M13: 4,991,931 km (0.108 R)
• M14: 5,290,080 km (0.067 R)
• M15: 5,635,202 km (0.075 R)
• M16: 5,958,782 km (0.118 R)
• M17: 6,564,803 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.4

Radius: 14.2

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.95 AU - 1.33 AU

Year: 812 Days

Day: 13.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,018,627 km

• M1: 188,643 km (0.091 R)
• M2: 768,335 km (0.041 R)
• M3: 1,251,835 km (0.107 R)
• M4: 2,139,848 km (0.105 R)
• M5: 2,996,146 km (0.076 R)
• M6: 3,762,686 km (0.089 R)
• M7: 4,349,109 km (0.051 R)
• M8: 5,083,934 km (0.082 R)
• M9: 6,279,071 km (0.079 R)
• M10: 8,375,686 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.3

Radius: 11.2

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.52 AU - 2.74 AU

Year: 2844 Days

Day: 8.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,018,627 km

• M1: 144,960 km (0.071 R)
• M2: 511,026 km (0.12 R)
• M3: 943,364 km (0.053 R)
• M4: 1,375,253 km (0.096 R)
• M5: 2,037,074 km (0.093 R)
• M6: 2,549,746 km (0.12 R)
• M7: 3,113,580 km (0.088 R)
• M8: 3,461,844 km (0.091 R)
• M9: 4,196,370 km (0.116 R)
• M10: 5,390,759 km (0.068 R)
• M11: 6,027,448 km (0.084 R)
• M12: 6,943,884 km (0.086 R)
• M13: 7,823,819 km (0.109 R)
• M14: 8,810,716 km (0.104 R)
• M15: 9,192,789 km (0.067 R)
• M16: 9,694,989 km (0.031 R)
• M17: 10,215,291 km (0.107 R)
• M18: 11,070,841 km (0.064 R)
• M19: 12,616,336 km (0.093 R)
• M20: 13,102,380 km (0.103 R)
• M21: 13,646,916 km (0.098 R)
• M22: 16,182,600 km (0.071 R)
• M23: 16,915,779 km (0.066 R)
• M24: 19,017,480 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.3

Radius: 10.7

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.24 AU - 3.16 AU

Year: 2959 Days

Day: 10.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,018,627 km

• M1: 133,142 km (0.09 R)
• M2: 471,084 km (0.104 R)
• M3: 871,258 km (0.085 R)
• M4: 1,410,259 km (0.091 R)
• M5: 1,743,114 km (0.074 R)
• M6: 2,208,663 km (0.065 R)
• M7: 2,585,650 km (0.063 R)
• M8: 3,439,554 km (0.119 R)
• M9: 4,585,324 km (0.11 R)
• M10: 4,958,272 km (0.116 R)
• M11: 5,610,668 km (0.116 R)
• M12: 8,338,286 km (0.047 R)
• M13: 8,746,987 km (0.09 R)
• M14: 11,487,321 km (0.101 R)
• M15: 12,936,027 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.2

Radius: 14.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.61 AU - 2.85 AU

Year: 3008 Days

Day: 11.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,018,627 km

• M1: 177,872 km (0.071 R)
• M2: 663,915 km (0.108 R)
• M3: 1,121,236 km (0.056 R)
• M4: 1,581,549 km (0.063 R)
• M5: 2,939,897 km (0.025 R)
• M6: 3,517,644 km (0.104 R)
• M7: 4,493,621 km (0.117 R)
• M8: 5,464,361 km (0.083 R)
• M9: 6,570,787 km (0.108 R)
• M10: 8,555,502 km (0.044 R)
• M11: 9,010,429 km (0.098 R)
• M12: 9,592,664 km (0.103 R)
• M13: 11,076,675 km (0.071 R)
• M14: 11,959,901 km (0.069 R)
• M15: 12,753,966 km (0.1 R)
• M16: 15,917,213 km (0.088 R)
• M17: 17,042,339 km (0.065 R)
• M18: 18,450,205 km (0.118 R)
• M19: 19,631,280 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841

Radius: 6.6

Gravity: 19.31 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.33 AU - 8.03 AU

Year: 12830 Days

Day: 16.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 88,018,627 km

• M1: 82,428 km (0.077 R)
• M2: 311,762 km (0.078 R)
• M3: 709,094 km (0.105 R)
• M4: 929,152 km (0.095 R)
• M5: 1,512,734 km (0.081 R)
• M6: 2,083,749 km (0.119 R)
• M7: 2,316,822 km (0.114 R)
• M8: 2,545,707 km (0.103 R)
• M9: 2,812,590 km (0.093 R)
• M10: 4,043,032 km (0.054 R)
• M11: 5,745,306 km (0.12 R)
• M12: 6,206,217 km (0.116 R)
• M13: 6,691,662 km (0.047 R)
• M14: 7,556,488 km (0.044 R)
• M15: 8,739,657 km (0.073 R)
• M16: 11,172,119 km (0.1 R)
• M17: 12,959,065 km (0.086 R)
• M18: 14,022,407 km (0.054 R)
• M19: 15,504,772 km (0.078 R)
• M20: 16,778,897 km (0.117 R)
• M21: 23,624,945 km (0.092 R)
• M22: 25,715,724 km (0.032 R)
• M23: 26,335,060 km (0.089 R)
• M24: 27,496,238 km (0.09 R)
• M25: 28,691,076 km (0.098 R)
• M26: 30,147,412 km (0.081 R)
• M27: 30,490,440 km (0.07 R)
• M28: 32,843,614 km (0.116 R)
• M29: 33,450,233 km (0.086 R)
• M30: 36,596,277 km (0.11 R)
• M31: 41,183,546 km (0.102 R)
• M32: 43,323,843 km (0.108 R)
• M33: 45,088,649 km (0.078 R)
• M34: 47,669,960 km (0.119 R)
• M35: 47,979,927 km (0.086 R)
• M36: 54,635,536 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350

Radius: 7.2

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.53 AU - 11.73 AU

Year: 19928 Days

Day: 24.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 88,018,627 km

• M1: 89,759 km (0.099 R)
• M2: 437,125 km (0.114 R)
• M3: 770,579 km (0.042 R)
• M4: 1,217,128 km (0.076 R)
• M5: 1,825,692 km (0.085 R)
• M6: 2,286,903 km (0.066 R)
• M7: 4,114,839 km (0.097 R)
• M8: 6,707,370 km (0.115 R)
• M9: 8,708,242 km (0.11 R)
• M10: 9,213,134 km (0.1 R)
• M11: 10,061,354 km (0.072 R)
• M12: 10,730,805 km (0.072 R)
• M13: 14,530,890 km (0.105 R)
• M14: 17,039,347 km (0.11 R)
• M15: 22,800,511 km (0.055 R)
• M16: 23,855,924 km (0.12 R)
• M17: 26,375,152 km (0.046 R)
• M18: 28,955,416 km (0.083 R)
• M19: 31,699,041 km (0.049 R)
• M20: 31,935,256 km (0.098 R)
• M21: 38,228,838 km (0.118 R)
• M22: 44,115,664 km (0.04 R)
• M23: 45,451,124 km (0.099 R)
• M24: 49,619,220 km (0.109 R)
• M25: 55,221,361 km (0.081 R)
• M26: 56,945,925 km (0.057 R)
• M27: 57,295,087 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.3

Radius: 5.4

Gravity: 29.33 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.98 AU - 12.76 AU

Year: 22269 Days

Day: 24.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 88,018,627 km

• M1: 71,957 km (0.108 R)
• M2: 283,488 km (0.067 R)
• M3: 1,223,262 km (0.06 R)
• M4: 1,648,868 km (0.045 R)
• M5: 1,856,659 km (0.032 R)
• M6: 2,790,000 km (0.071 R)
• M7: 3,227,873 km (0.092 R)
• M8: 4,742,402 km (0.051 R)
• M9: 5,086,178 km (0.094 R)
• M10: 6,218,035 km (0.062 R)
• M11: 6,398,899 km (0.113 R)
• M12: 6,583,353 km (0.119 R)
• M13: 8,135,282 km (0.036 R)
• M14: 12,577,142 km (0.065 R)
• M15: 12,794,059 km (0.045 R)
• M16: 14,461,925 km (0.026 R)
• M17: 15,347,994 km (0.078 R)
• M18: 18,875,362 km (0.049 R)
• M19: 21,539,700 km (0.087 R)
• M20: 23,123,044 km (0.117 R)
• M21: 24,332,542 km (0.12 R)
• M22: 29,592,703 km (0.08 R)
• M23: 30,624,031 km (0.109 R)
• M24: 35,275,477 km (0.096 R)
• M25: 40,063,656 km (0.08 R)
• M26: 43,760,818 km (0.072 R)
• M27: 49,273,948 km (0.081 R)
• M28: 49,453,316 km (0.083 R)
• M29: 55,039,151 km (0.093 R)
• M30: 56,400,492 km (0.026 R)
• M31: 59,392,748 km (0.101 R)
• M32: 61,653,172 km (0.101 R)
• M33: 63,544,688 km (0.106 R)
• M34: 65,474,650 km (0.068 R)
• M35: 68,553,972 km (0.106 R)
• M36: 69,676,555 km (0.056 R)
• M37: 71,268,874 km (0.108 R)
• M38: 81,335,166 km (0.116 R)
• M39: 86,184,530 km (0.098 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 17,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit