🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.53 AU - 0.65 AU

Year: 168 Days

Day: 18.7 Hours

Environment

Temp: 196 °C

Axial Tilt: 16.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.69 AU - 0.73 AU

Year: 222 Days

Day: 13.9 Hours

Environment

Temp: 188 °C

Axial Tilt: 24.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.01 AU - 1.09 AU

Year: 399 Days

Day: 23.6 Hours

Environment

Temp: 12 °C

Axial Tilt: 32.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.34 AU - 1.72 AU

Year: 702 Days

Day: 33.7 Hours

Environment

Temp: -37 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.75 AU - 2.01 AU

Year: 956 Days

Day: 17.3 Hours

Environment

Temp: -76 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.87 AU - 3.09 AU

Year: 1908 Days

Day: 43.1 Hours

Environment

Temp: -112 °C

Axial Tilt: 43.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.1

Radius: 8.8

Gravity: 12.59 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.1 AU - 7.56 AU

Year: 7360 Days

Day: 8.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 82,041,470 km

• M1: 189,989 km (0.09 R)
• M2: 262,395 km (0.071 R)
• M3: 396,584 km (0.065 R)
• M4: 570,566 km (0.061 R)
• M5: 1,138,889 km (0.094 R)
• M6: 1,215,184 km (0.062 R)
• M7: 1,558,810 km (0.115 R)
• M8: 1,909,318 km (0.057 R)
• M9: 2,455,499 km (0.082 R)
• M10: 2,707,721 km (0.075 R)
• M11: 3,598,128 km (0.116 R)
• M12: 5,361,438 km (0.101 R)
• M13: 5,721,969 km (0.079 R)
• M14: 5,888,471 km (0.116 R)
• M15: 5,955,641 km (0.099 R)
• M16: 6,124,387 km (0.034 R)
• M17: 6,226,413 km (0.113 R)
• M18: 6,294,779 km (0.095 R)
• M19: 6,570,638 km (0.073 R)
• M20: 7,422,149 km (0.11 R)
• M21: 7,676,914 km (0.086 R)
• M22: 7,897,720 km (0.045 R)
• M23: 8,046,121 km (0.113 R)
• M24: 8,994,123 km (0.119 R)
• M25: 9,540,305 km (0.117 R)
• M26: 9,698,430 km (0.057 R)
• M27: 10,057,166 km (0.032 R)
• M28: 11,326,204 km (0.092 R)
• M29: 11,661,902 km (0.043 R)
• M30: 11,830,948 km (0.078 R)
• M31: 12,385,956 km (0.113 R)
• M32: 13,610,115 km (0.102 R)
• M33: 14,056,665 km (0.114 R)
• M34: 14,964,125 km (0.073 R)
• M35: 15,194,057 km (0.11 R)
• M36: 15,378,661 km (0.063 R)
• M37: 15,564,162 km (0.091 R)
• M38: 17,026,482 km (0.103 R)
• M39: 17,652,698 km (0.115 R)
• M40: 17,944,265 km (0.09 R)
• M41: 18,779,021 km (0.089 R)
• M42: 19,126,387 km (0.107 R)
• M43: 19,425,882 km (0.107 R)
• M44: 19,576,228 km (0.065 R)
• M45: 19,827,702 km (0.119 R)
• M46: 20,333,642 km (0.1 R)
• M47: 20,435,368 km (0.12 R)
• M48: 20,639,270 km (0.052 R)
• M49: 20,895,232 km (0.05 R)
• M50: 21,255,165 km (0.107 R)
• M51: 21,981,313 km (0.105 R)
• M52: 22,190,301 km (0.047 R)
• M53: 22,768,347 km (0.113 R)
• M54: 23,138,751 km (0.059 R)
• M55: 24,640,415 km (0.091 R)
• M56: 25,020,693 km (0.09 R)
• M57: 25,897,336 km (0.085 R)
• M58: 25,952,538 km (0.049 R)
• M59: 26,505,900 km (0.102 R)
• M60: 27,511,647 km (0.07 R)
• M61: 28,815,093 km (0.119 R)
• M62: 28,929,386 km (0.089 R)
• M63: 29,791,369 km (0.091 R)
• M64: 30,370,761 km (0.074 R)
• M65: 30,428,805 km (0.105 R)
• M66: 31,776,233 km (0.086 R)
• M67: 32,190,171 km (0.104 R)
• M68: 32,724,983 km (0.029 R)
• M69: 32,903,902 km (0.114 R)
• M70: 33,143,109 km (0.104 R)
• M71: 34,347,073 km (0.048 R)
• M72: 34,893,554 km (0.118 R)
• M73: 34,954,590 km (0.1 R)
• M74: 35,443,027 km (0.111 R)
• M75: 35,688,068 km (0.086 R)
• M76: 36,364,998 km (0.117 R)
• M77: 37,294,899 km (0.118 R)
• M78: 37,731,425 km (0.069 R)
• M79: 38,421,072 km (0.109 R)
• M80: 38,546,883 km (0.104 R)
• M81: 38,925,067 km (0.068 R)
• M82: 39,558,315 km (0.049 R)
• M83: 40,386,488 km (0.063 R)
• M84: 40,899,011 km (0.12 R)
• M85: 41,930,638 km (0.053 R)
• M86: 42,514,668 km (0.116 R)
• M87: 42,905,417 km (0.061 R)
• M88: 43,101,241 km (0.094 R)
• M89: 43,166,615 km (0.04 R)
• M90: 43,690,657 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.5

Radius: 6.7

Gravity: 17.79 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 10 AU - 16.2 AU

Year: 17584 Days

Day: 23.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 82,041,470 km

• M1: 246,088 km (0.05 R)
• M2: 306,676 km (0.11 R)
• M3: 409,001 km (0.077 R)
• M4: 543,489 km (0.101 R)
• M5: 760,855 km (0.11 R)
• M6: 879,486 km (0.098 R)
• M7: 1,030,131 km (0.117 R)
• M8: 1,744,311 km (0.115 R)
• M9: 3,405,745 km (0.101 R)
• M10: 3,805,770 km (0.098 R)
• M11: 3,887,600 km (0.092 R)
• M12: 4,178,568 km (0.096 R)
• M13: 4,869,859 km (0.075 R)
• M14: 5,319,700 km (0.083 R)
• M15: 5,642,682 km (0.082 R)
• M16: 6,501,972 km (0.113 R)
• M17: 7,709,975 km (0.114 R)
• M18: 7,917,916 km (0.118 R)
• M19: 7,970,275 km (0.108 R)
• M20: 8,127,802 km (0.1 R)
• M21: 8,286,376 km (0.105 R)
• M22: 8,930,993 km (0.105 R)
• M23: 9,424,965 km (0.052 R)
• M24: 9,591,617 km (0.084 R)
• M25: 9,759,316 km (0.067 R)
• M26: 9,815,415 km (0.089 R)
• M27: 10,040,859 km (0.084 R)
• M28: 10,154,105 km (0.12 R)
• M29: 10,496,834 km (0.115 R)
• M30: 10,843,302 km (0.041 R)
• M31: 13,123,174 km (0.072 R)
• M32: 13,185,108 km (0.108 R)
• M33: 13,999,369 km (0.115 R)
• M34: 14,316,815 km (0.104 R)
• M35: 15,544,715 km (0.043 R)
• M36: 16,404,155 km (0.086 R)
• M37: 17,008,231 km (0.118 R)
• M38: 17,075,699 km (0.113 R)
• M39: 17,619,488 km (0.09 R)
• M40: 18,031,031 km (0.058 R)
• M41: 18,793,681 km (0.088 R)
• M42: 20,422,204 km (0.12 R)
• M43: 21,581,438 km (0.028 R)
• M44: 22,316,861 km (0.064 R)
• M45: 22,613,214 km (0.088 R)
• M46: 22,687,564 km (0.029 R)
• M47: 22,761,914 km (0.084 R)
• M48: 23,210,110 km (0.1 R)
• M49: 23,887,638 km (0.06 R)
• M50: 25,339,336 km (0.114 R)
• M51: 25,726,196 km (0.081 R)
• M52: 27,134,660 km (0.082 R)
• M53: 27,213,648 km (0.063 R)
• M54: 28,327,404 km (0.102 R)
• M55: 28,567,957 km (0.029 R)
• M56: 30,681,476 km (0.089 R)
• M57: 30,846,034 km (0.11 R)
• M58: 31,341,801 km (0.067 R)
• M59: 31,840,112 km (0.112 R)
• M60: 31,923,438 km (0.06 R)
• M61: 32,508,664 km (0.037 R)
• M62: 33,435,573 km (0.109 R)
• M63: 33,604,918 km (0.089 R)
• M64: 35,487,607 km (0.051 R)
• M65: 37,053,298 km (0.101 R)
• M66: 37,756,259 km (0.059 R)
• M67: 38,375,145 km (0.109 R)
• M68: 39,802,009 km (0.114 R)
• M69: 41,610,049 km (0.07 R)
• M70: 41,974,769 km (0.086 R)
• M71: 42,523,943 km (0.078 R)
• M72: 46,340,035 km (0.092 R)
• M73: 48,240,825 km (0.073 R)
• M74: 48,623,946 km (0.119 R)
• M75: 49,008,262 km (0.087 R)
• M76: 50,652,343 km (0.094 R)
• M77: 51,041,896 km (0.081 R)
• M78: 51,236,972 km (0.097 R)
• M79: 55,291,223 km (0.04 R)
• M80: 57,002,324 km (0.103 R)
• M81: 60,476,136 km (0.079 R)
• M82: 61,822,367 km (0.09 R)
• M83: 62,238,549 km (0.105 R)
• M84: 62,969,185 km (0.054 R)
• M85: 63,283,190 km (0.09 R)
• M86: 63,807,681 km (0.09 R)
• M87: 64,438,984 km (0.111 R)
• M88: 67,305,129 km (0.057 R)
• M89: 68,162,475 km (0.105 R)
• M90: 68,484,858 km (0.101 R)
• M91: 68,807,690 km (0.114 R)
• M92: 70,538,388 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612

Radius: 7.7

Gravity: 10.32 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 15.15 AU - 16.81 AU

Year: 23690 Days

Day: 22.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 117.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 82,041,470 km

• M1: 165,754 km (0.114 R)
• M2: 327,470 km (0.054 R)
• M3: 543,040 km (0.114 R)
• M4: 609,462 km (0.056 R)
• M5: 801,097 km (0.048 R)
• M6: 957,576 km (0.107 R)
• M7: 1,039,556 km (0.117 R)
• M8: 1,915,302 km (0.094 R)
• M9: 2,162,437 km (0.105 R)
• M10: 2,234,992 km (0.096 R)
• M11: 2,765,167 km (0.054 R)
• M12: 4,070,408 km (0.06 R)
• M13: 4,434,380 km (0.053 R)
• M14: 4,667,154 km (0.099 R)
• M15: 4,856,396 km (0.096 R)
• M16: 4,951,839 km (0.05 R)
• M17: 5,242,209 km (0.098 R)
• M18: 5,638,045 km (0.092 R)
• M19: 6,669,223 km (0.116 R)
• M20: 6,828,993 km (0.063 R)
• M21: 7,097,821 km (0.087 R)
• M22: 7,370,238 km (0.07 R)
• M23: 7,701,747 km (0.041 R)
• M24: 8,151,289 km (0.057 R)
• M25: 10,094,116 km (0.058 R)
• M26: 12,629,351 km (0.072 R)
• M27: 13,158,928 km (0.09 R)
• M28: 14,929,568 km (0.093 R)
• M29: 14,999,131 km (0.086 R)
• M30: 15,278,580 km (0.095 R)
• M31: 15,559,675 km (0.106 R)
• M32: 15,700,895 km (0.117 R)
• M33: 16,341,623 km (0.09 R)
• M34: 16,918,472 km (0.097 R)
• M35: 17,428,601 km (0.108 R)
• M36: 17,575,207 km (0.066 R)
• M37: 17,943,666 km (0.093 R)
• M38: 18,017,717 km (0.046 R)
• M39: 18,613,416 km (0.059 R)
• M40: 19,215,697 km (0.062 R)
• M41: 19,291,393 km (0.118 R)
• M42: 20,748,925 km (0.101 R)
• M43: 21,451,587 km (0.088 R)
• M44: 21,687,503 km (0.11 R)
• M45: 22,162,027 km (0.113 R)
• M46: 22,400,636 km (0.085 R)
• M47: 22,800,211 km (0.119 R)
• M48: 22,880,246 km (0.092 R)
• M49: 24,094,233 km (0.036 R)
• M50: 26,753,186 km (0.103 R)
• M51: 27,261,968 km (0.057 R)
• M52: 29,067,913 km (0.07 R)
• M53: 29,678,422 km (0.102 R)
• M54: 32,523,026 km (0.056 R)
• M55: 33,886,012 km (0.091 R)
• M56: 34,436,383 km (0.116 R)
• M57: 34,528,385 km (0.065 R)
• M58: 34,712,690 km (0.116 R)
• M59: 34,804,992 km (0.04 R)
• M60: 34,897,294 km (0.108 R)
• M61: 35,082,346 km (0.044 R)
• M62: 36,011,947 km (0.09 R)
• M63: 36,105,296 km (0.099 R)
• M64: 36,386,092 km (0.038 R)
• M65: 36,573,538 km (0.058 R)
• M66: 38,753,328 km (0.086 R)
• M67: 43,237,525 km (0.05 R)
• M68: 43,336,858 km (0.03 R)
• M69: 43,734,638 km (0.104 R)
• M70: 44,434,008 km (0.081 R)
• M71: 44,935,760 km (0.068 R)
• M72: 45,136,969 km (0.104 R)
• M73: 46,553,960 km (0.101 R)
• M74: 47,472,491 km (0.115 R)
• M75: 47,780,064 km (0.117 R)
• M76: 48,191,159 km (0.04 R)
• M77: 48,913,268 km (0.119 R)
• M78: 52,471,752 km (0.112 R)
• M79: 52,789,648 km (0.1 R)
• M80: 53,002,077 km (0.11 R)
• M81: 53,108,291 km (0.074 R)
• M82: 54,067,962 km (0.07 R)
• M83: 56,220,974 km (0.088 R)
• M84: 57,198,895 km (0.053 R)
• M85: 66,707,935 km (0.108 R)
• M86: 67,973,832 km (0.101 R)
• M87: 69,712,757 km (0.043 R)
• M88: 72,407,314 km (0.104 R)
• M89: 72,525,347 km (0.119 R)
• M90: 72,879,445 km (0.105 R)
• M91: 73,115,959 km (0.049 R)
• M92: 73,826,699 km (0.098 R)
• M93: 74,301,971 km (0.056 R)
• M94: 75,135,979 km (0.066 R)
• M95: 77,656,404 km (0.053 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: 520 - 18,118 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit