🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.57 AU - 0.59 AU

Year: 199 Days

Day: 21.5 Hours

Environment

Temp: 17 °C

Axial Tilt: 26.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.48 AU - 0.76 AU

Year: 219 Days

Day: 42.3 Hours

Environment

Temp: -8 °C

Axial Tilt: 5.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 37,651,064 km

• M1: 169,794 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.97 AU - 1.51 AU

Year: 621 Days

Day: 22.4 Hours

Environment

Temp: -86 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,651,064 km

• M1: 461,509 km (0.036 R)
• M2: 902,075 km (0.112 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.17 AU - 1.65 AU

Year: 753 Days

Day: 45.3 Hours

Environment

Temp: -101 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.36 AU - 1.76 AU

Year: 876 Days

Day: 25.4 Hours

Environment

Temp: -111 °C

Axial Tilt: 6.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,651,064 km

• M1: 217,366 km (0.115 R)
• M2: 1,158,935 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.6

Radius: 14.6

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.24 AU - 4.22 AU

Year: 3239 Days

Day: 14.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 37,651,064 km

• M1: 191,036 km (0.109 R)
• M2: 342,430 km (0.08 R)
• M3: 442,062 km (0.078 R)
• M4: 575,952 km (0.115 R)
• M5: 673,190 km (0.079 R)
• M6: 783,145 km (0.11 R)
• M7: 876,045 km (0.066 R)
• M8: 1,081,593 km (0.111 R)
• M9: 1,248,544 km (0.097 R)
• M10: 1,505,254 km (0.091 R)
• M11: 1,617,452 km (0.102 R)
• M12: 1,898,995 km (0.098 R)
• M13: 2,351,529 km (0.037 R)
• M14: 2,645,040 km (0.111 R)
• M15: 2,875,421 km (0.069 R)
• M16: 3,465,734 km (0.049 R)
• M17: 3,718,554 km (0.047 R)
• M18: 4,448,442 km (0.1 R)
• M19: 4,746,142 km (0.047 R)
• M20: 4,846,821 km (0.103 R)
• M21: 5,199,424 km (0.043 R)
• M22: 5,338,101 km (0.053 R)
• M23: 5,489,793 km (0.109 R)
• M24: 5,595,708 km (0.106 R)
• M25: 5,690,404 km (0.038 R)
• M26: 5,845,537 km (0.104 R)
• M27: 6,159,842 km (0.099 R)
• M28: 6,331,431 km (0.11 R)
• M29: 6,467,415 km (0.067 R)
• M30: 6,641,996 km (0.086 R)
• M31: 7,033,942 km (0.083 R)
• M32: 7,226,325 km (0.12 R)
• M33: 8,471,727 km (0.107 R)
• M34: 8,635,537 km (0.073 R)
• M35: 8,828,070 km (0.056 R)
• M36: 8,994,123 km (0.075 R)
• M37: 9,273,273 km (0.119 R)
• M38: 9,399,833 km (0.097 R)
• M39: 9,597,900 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.4

Radius: 10.5

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.21 AU - 4.99 AU

Year: 3732 Days

Day: 11 Hours

Environment

Temp: -169 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 37,651,064 km

• M1: 138,378 km (0.119 R)
• M2: 249,080 km (0.08 R)
• M3: 350,657 km (0.066 R)
• M4: 435,629 km (0.069 R)
• M5: 518,506 km (0.112 R)
• M6: 584,928 km (0.081 R)
• M7: 836,551 km (0.097 R)
• M8: 1,050,027 km (0.066 R)
• M9: 1,115,402 km (0.105 R)
• M10: 1,182,272 km (0.079 R)
• M11: 1,312,572 km (0.082 R)
• M12: 1,391,559 km (0.041 R)
• M13: 1,464,114 km (0.049 R)
• M14: 1,715,289 km (0.061 R)
• M15: 1,819,708 km (0.116 R)
• M16: 1,908,570 km (0.08 R)
• M17: 1,980,526 km (0.066 R)
• M18: 2,053,530 km (0.07 R)
• M19: 2,335,672 km (0.092 R)
• M20: 2,413,014 km (0.094 R)
• M21: 2,481,380 km (0.109 R)
• M22: 2,550,494 km (0.075 R)
• M23: 2,711,013 km (0.086 R)
• M24: 3,031,302 km (0.119 R)
• M25: 3,407,839 km (0.118 R)
• M26: 3,540,383 km (0.097 R)
• M27: 3,697,162 km (0.112 R)
• M28: 3,856,334 km (0.081 R)
• M29: 3,925,299 km (0.075 R)
• M30: 4,076,093 km (0.114 R)
• M31: 4,169,741 km (0.08 R)
• M32: 4,264,287 km (0.085 R)
• M33: 4,407,303 km (0.114 R)
• M34: 4,772,022 km (0.087 R)
• M35: 5,083,485 km (0.115 R)
• M36: 5,440,276 km (0.089 R)
• M37: 5,556,663 km (0.069 R)
• M38: 5,791,981 km (0.056 R)
• M39: 6,124,387 km (0.063 R)
• M40: 6,313,180 km (0.114 R)
• M41: 6,435,551 km (0.064 R)
• M42: 6,545,056 km (0.106 R)
• M43: 6,627,634 km (0.113 R)
• M44: 6,877,313 km (0.065 R)
• M45: 7,059,524 km (0.119 R)
• M46: 7,819,182 km (0.113 R)
• M47: 7,994,809 km (0.04 R)
• M48: 8,171,784 km (0.03 R)
• M49: 8,290,564 km (0.107 R)
• M50: 8,394,834 km (0.117 R)
• M51: 8,589,760 km (0.104 R)
• M52: 8,953,582 km (0.034 R)
• M53: 9,091,362 km (0.109 R)
• M54: 9,229,740 km (0.055 R)
• M55: 9,696,336 km (0.099 R)
• M56: 9,821,998 km (0.093 R)
• M57: 10,122,839 km (0.112 R)
• M58: 10,330,331 km (0.061 R)
• M59: 10,474,843 km (0.108 R)
• M60: 10,587,789 km (0.114 R)
• M61: 10,847,342 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.3

Radius: 3

Gravity: 83.59 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 9.25 AU - 10.31 AU

Year: 13751 Days

Day: 17.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 37,651,064 km

• M1: 563,386 km (0.087 R)
• M2: 601,383 km (0.05 R)
• M3: 640,279 km (0.105 R)
• M4: 1,855,163 km (0.066 R)
• M5: 2,389,676 km (0.059 R)
• M6: 2,641,599 km (0.082 R)
• M7: 2,738,239 km (0.086 R)
• M8: 2,901,899 km (0.114 R)
• M9: 3,204,536 km (0.118 R)
• M10: 3,552,351 km (0.069 R)
• M11: 4,170,789 km (0.081 R)
• M12: 5,668,413 km (0.084 R)
• M13: 6,386,782 km (0.115 R)
• M14: 6,560,016 km (0.081 R)
• M15: 6,690,914 km (0.102 R)
• M16: 7,088,695 km (0.104 R)
• M17: 7,178,155 km (0.065 R)
• M18: 7,358,121 km (0.083 R)
• M19: 7,494,105 km (0.099 R)
• M20: 7,585,210 km (0.07 R)
• M21: 8,046,421 km (0.104 R)
• M22: 8,327,365 km (0.088 R)
• M23: 10,382,391 km (0.114 R)
• M24: 10,996,939 km (0.08 R)
• M25: 11,360,761 km (0.07 R)
• M26: 12,100,224 km (0.108 R)
• M27: 13,514,223 km (0.039 R)
• M28: 13,625,224 km (0.076 R)
• M29: 13,847,976 km (0.1 R)
• M30: 14,979,684 km (0.116 R)
• M31: 15,964,636 km (0.035 R)
• M32: 16,613,143 km (0.032 R)
• M33: 16,791,463 km (0.115 R)
• M34: 16,970,382 km (0.101 R)
• M35: 17,935,588 km (0.116 R)
• M36: 19,166,778 km (0.114 R)
• M37: 19,291,393 km (0.091 R)
• M38: 19,416,308 km (0.078 R)
• M39: 19,855,527 km (0.079 R)
• M40: 20,044,768 km (0.04 R)
• M41: 21,064,278 km (0.107 R)
• M42: 21,321,736 km (0.037 R)
• M43: 23,152,963 km (0.098 R)
• M44: 23,418,649 km (0.079 R)
• M45: 24,221,690 km (0.097 R)
• M46: 24,289,159 km (0.082 R)
• M47: 24,491,415 km (0.119 R)
• M48: 24,965,790 km (0.092 R)
• M49: 25,238,358 km (0.082 R)
• M50: 25,923,665 km (0.1 R)
• M51: 26,061,595 km (0.101 R)
• M52: 26,199,524 km (0.085 R)
• M53: 26,407,166 km (0.063 R)
• M54: 27,734,248 km (0.112 R)
• M55: 28,583,516 km (0.042 R)
• M56: 29,011,365 km (0.107 R)
• M57: 29,801,093 km (0.115 R)
• M58: 30,307,481 km (0.094 R)
• M59: 30,816,563 km (0.084 R)
• M60: 31,255,184 km (0.037 R)
• M61: 31,475,392 km (0.09 R)
• M62: 31,917,155 km (0.102 R)
• M63: 33,105,111 km (0.112 R)
• M64: 33,179,761 km (0.115 R)
• M65: 33,329,508 km (0.087 R)
• M66: 33,479,255 km (0.116 R)
• M67: 33,779,648 km (0.059 R)
• M68: 36,445,781 km (0.1 R)
• M69: 36,754,850 km (0.068 R)
• M70: 39,574,471 km (0.084 R)
• M71: 39,892,067 km (0.058 R)
• M72: 42,057,646 km (0.111 R)
• M73: 42,300,593 km (0.03 R)
• M74: 43,277,168 km (0.103 R)
• M75: 43,440,529 km (0.04 R)
• M76: 44,261,073 km (0.074 R)
• M77: 45,501,240 km (0.103 R)
• M78: 45,750,769 km (0.085 R)
• M79: 47,004,698 km (0.115 R)
• M80: 47,340,994 km (0.115 R)
• M81: 47,509,292 km (0.061 R)
• M82: 47,593,665 km (0.079 R)
• M83: 48,185,175 km (0.102 R)
• M84: 49,289,955 km (0.08 R)
• M85: 49,717,207 km (0.058 R)
• M86: 50,747,338 km (0.092 R)
• M87: 51,958,183 km (0.101 R)
• M88: 52,305,848 km (0.049 R)
• M89: 52,392,914 km (0.081 R)
• M90: 52,741,477 km (0.043 R)
• M91: 57,074,430 km (0.118 R)
• M92: 57,164,039 km (0.041 R)
• M93: 58,694,575 km (0.109 R)
• M94: 60,329,829 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158

Radius: 4.9

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.1 AU - 12.16 AU

Year: 14495 Days

Day: 18.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 37,651,064 km

• M1: 296,653 km (0.092 R)
• M2: 481,256 km (0.045 R)
• M3: 585,975 km (0.117 R)
• M4: 1,144,274 km (0.094 R)
• M5: 1,267,543 km (0.096 R)
• M6: 2,008,950 km (0.095 R)
• M7: 2,266,557 km (0.077 R)
• M8: 2,789,252 km (0.089 R)
• M9: 2,883,948 km (0.117 R)
• M10: 3,322,718 km (0.082 R)
• M11: 3,782,283 km (0.097 R)
• M12: 4,153,286 km (0.117 R)
• M13: 4,343,275 km (0.04 R)
• M14: 4,425,554 km (0.108 R)
• M15: 4,563,782 km (0.113 R)
• M16: 4,619,433 km (0.113 R)
• M17: 4,958,421 km (0.116 R)
• M18: 5,130,908 km (0.107 R)
• M19: 5,276,167 km (0.075 R)
• M20: 5,511,485 km (0.084 R)
• M21: 5,600,495 km (0.067 R)
• M22: 5,840,450 km (0.056 R)
• M23: 5,931,406 km (0.037 R)
• M24: 5,992,143 km (0.096 R)
• M25: 6,083,846 km (0.084 R)
• M26: 6,675,057 km (0.102 R)
• M27: 7,154,518 km (0.112 R)
• M28: 7,251,757 km (0.088 R)
• M29: 7,382,206 km (0.095 R)
• M30: 7,480,342 km (0.096 R)
• M31: 8,112,842 km (0.072 R)
• M32: 8,180,460 km (0.118 R)
• M33: 8,901,073 km (0.093 R)
• M34: 9,322,042 km (0.045 R)
• M35: 9,463,860 km (0.048 R)
• M36: 9,785,346 km (0.066 R)
• M37: 9,929,409 km (0.119 R)
• M38: 10,001,665 km (0.107 R)
• M39: 10,475,890 km (0.075 R)
• M40: 10,549,492 km (0.097 R)
• M41: 13,112,553 km (0.114 R)
• M42: 13,351,012 km (0.08 R)
• M43: 13,470,839 km (0.092 R)
• M44: 13,550,874 km (0.113 R)
• M45: 13,751,784 km (0.071 R)
• M46: 13,872,659 km (0.114 R)
• M47: 14,278,518 km (0.104 R)
• M48: 14,688,267 km (0.112 R)
• M49: 15,435,508 km (0.104 R)
• M50: 15,603,208 km (0.119 R)
• M51: 15,645,245 km (0.112 R)
• M52: 15,687,282 km (0.084 R)
• M53: 16,237,502 km (0.12 R)
• M54: 16,322,773 km (0.116 R)
• M55: 16,966,493 km (0.098 R)
• M56: 18,545,349 km (0.108 R)
• M57: 18,589,929 km (0.034 R)
• M58: 18,723,669 km (0.105 R)
• M59: 18,992,198 km (0.084 R)
• M60: 19,037,077 km (0.096 R)
• M61: 19,669,128 km (0.098 R)
• M62: 19,941,995 km (0.077 R)
• M63: 20,399,764 km (0.11 R)
• M64: 20,583,769 km (0.086 R)
• M65: 21,605,972 km (0.087 R)
• M66: 21,699,770 km (0.116 R)
• M67: 22,407,068 km (0.096 R)
• M68: 22,501,913 km (0.047 R)
• M69: 22,835,217 km (0.105 R)
• M70: 22,930,661 km (0.048 R)
• M71: 22,978,383 km (0.089 R)
• M72: 23,410,122 km (0.081 R)
• M73: 23,650,975 km (0.103 R)
• M74: 24,671,980 km (0.091 R)
• M75: 25,608,164 km (0.064 R)
• M76: 26,255,324 km (0.072 R)
• M77: 26,355,255 km (0.111 R)
• M78: 26,605,981 km (0.111 R)
• M79: 27,514,938 km (0.056 R)
• M80: 28,177,657 km (0.117 R)
• M81: 28,639,615 km (0.095 R)
• M82: 29,259,399 km (0.081 R)
• M83: 29,414,981 km (0.109 R)
• M84: 30,092,509 km (0.08 R)
• M85: 30,302,096 km (0.114 R)
• M86: 31,675,704 km (0.103 R)
• M87: 32,423,842 km (0.073 R)
• M88: 32,692,371 km (0.094 R)
• M89: 33,937,324 km (0.103 R)
• M90: 34,757,420 km (0.104 R)
• M91: 34,812,472 km (0.044 R)
• M92: 35,528,896 km (0.06 R)
• M93: 35,750,301 km (0.04 R)
• M94: 37,144,703 km (0.118 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 11,411 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit