🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.47 AU - 0.71 AU

Year: 159 Days

Day: 16.2 Hours

Environment

Temp: 221 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,333,793 km

• M1: 113,246 km (0.054 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.81 AU - 1.17 AU

Year: 345 Days

Day: 17.4 Hours

Environment

Temp: 115 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.48 AU - 2.46 AU

Year: 967 Days

Day: 36.1 Hours

Environment

Temp: -44 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.8 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.4

Radius: 8.4

Gravity: 11.23 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.99 AU - 6.25 AU

Year: 4661 Days

Day: 14.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 102.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 75,333,793 km

• M1: 130,150 km (0.114 R)
• M2: 216,468 km (0.079 R)
• M3: 268,977 km (0.077 R)
• M4: 354,697 km (0.043 R)
• M5: 441,463 km (0.095 R)
• M6: 536,458 km (0.093 R)
• M7: 786,586 km (0.082 R)
• M8: 1,100,891 km (0.055 R)
• M9: 1,249,441 km (0.11 R)
• M10: 1,566,589 km (0.075 R)
• M11: 1,734,587 km (0.104 R)
• M12: 1,838,259 km (0.102 R)
• M13: 1,944,024 km (0.09 R)
• M14: 2,069,986 km (0.114 R)
• M15: 2,311,287 km (0.083 R)
• M16: 2,368,284 km (0.061 R)
• M17: 2,680,195 km (0.041 R)
• M18: 2,943,488 km (0.107 R)
• M19: 3,046,860 km (0.105 R)
• M20: 3,278,886 km (0.075 R)
• M21: 3,407,839 km (0.12 R)
• M22: 3,759,993 km (0.086 R)
• M23: 4,123,965 km (0.09 R)
• M24: 4,310,064 km (0.115 R)
• M25: 4,618,685 km (0.113 R)
• M26: 4,763,495 km (0.077 R)
• M27: 5,057,605 km (0.111 R)
• M28: 5,332,566 km (0.101 R)
• M29: 5,793,028 km (0.077 R)
• M30: 5,923,178 km (0.081 R)
• M31: 6,080,555 km (0.12 R)
• M32: 6,239,578 km (0.066 R)
• M33: 6,534,435 km (0.076 R)
• M34: 6,588,440 km (0.089 R)
• M35: 7,587,903 km (0.036 R)
• M36: 8,368,056 km (0.091 R)
• M37: 8,693,282 km (0.099 R)
• M38: 8,932,489 km (0.073 R)
• M39: 9,204,009 km (0.114 R)
• M40: 9,295,264 km (0.082 R)
• M41: 9,972,792 km (0.055 R)
• M42: 10,066,441 km (0.068 R)
• M43: 10,160,388 km (0.109 R)
• M44: 10,349,031 km (0.097 R)
• M45: 10,570,735 km (0.113 R)
• M46: 10,634,464 km (0.054 R)
• M47: 12,166,047 km (0.051 R)
• M48: 13,008,432 km (0.084 R)
• M49: 13,076,649 km (0.07 R)
• M50: 13,974,386 km (0.103 R)
• M51: 14,395,354 km (0.118 R)
• M52: 14,501,270 km (0.102 R)
• M53: 15,106,243 km (0.103 R)
• M54: 15,249,857 km (0.102 R)
• M55: 15,502,079 km (0.048 R)
• M56: 15,574,485 km (0.104 R)
• M57: 16,157,318 km (0.099 R)
• M58: 16,340,875 km (0.072 R)
• M59: 17,607,669 km (0.061 R)
• M60: 18,482,368 km (0.052 R)
• M61: 18,559,112 km (0.045 R)
• M62: 18,867,134 km (0.11 R)
• M63: 19,021,818 km (0.112 R)
• M64: 19,254,443 km (0.07 R)
• M65: 20,115,977 km (0.119 R)
• M66: 20,273,952 km (0.112 R)
• M67: 20,670,686 km (0.053 R)
• M68: 21,471,932 km (0.112 R)
• M69: 22,365,031 km (0.082 R)
• M70: 23,602,355 km (0.116 R)
• M71: 23,894,221 km (0.117 R)
• M72: 24,397,468 km (0.059 R)
• M73: 24,565,915 km (0.086 R)
• M74: 25,927,854 km (0.071 R)
• M75: 26,185,910 km (0.118 R)
• M76: 26,921,782 km (0.102 R)
• M77: 27,752,350 km (0.103 R)
• M78: 28,635,576 km (0.073 R)
• M79: 30,113,154 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.8

Radius: 9.3

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.36 AU - 10.16 AU

Year: 9858 Days

Day: 9 Hours

Environment

Temp: -157 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 75,333,793 km

• M1: 136,433 km (0.096 R)
• M2: 271,520 km (0.111 R)
• M3: 336,296 km (0.075 R)
• M4: 446,550 km (0.043 R)
• M5: 527,931 km (0.09 R)
• M6: 600,187 km (0.109 R)
• M7: 691,741 km (0.091 R)
• M8: 821,891 km (0.095 R)
• M9: 1,070,074 km (0.095 R)
• M10: 1,341,743 km (0.081 R)
• M11: 1,528,142 km (0.069 R)
• M12: 1,723,068 km (0.117 R)
• M13: 1,789,789 km (0.116 R)
• M14: 2,137,155 km (0.1 R)
• M15: 2,505,764 km (0.106 R)
• M16: 2,710,564 km (0.115 R)
• M17: 3,357,575 km (0.093 R)
• M18: 3,555,193 km (0.119 R)
• M19: 4,170,789 km (0.071 R)
• M20: 4,914,589 km (0.101 R)
• M21: 4,978,468 km (0.092 R)
• M22: 5,334,510 km (0.106 R)
• M23: 6,243,467 km (0.107 R)
• M24: 6,417,001 km (0.048 R)
• M25: 6,769,004 km (0.094 R)
• M26: 7,055,185 km (0.116 R)
• M27: 8,391,393 km (0.115 R)
• M28: 8,506,285 km (0.073 R)
• M29: 9,206,253 km (0.088 R)
• M30: 9,884,530 km (0.087 R)
• M31: 10,086,936 km (0.098 R)
• M32: 10,290,838 km (0.052 R)
• M33: 10,619,953 km (0.098 R)
• M34: 10,910,771 km (0.076 R)
• M35: 11,204,282 km (0.104 R)
• M36: 11,756,149 km (0.084 R)
• M37: 11,884,803 km (0.115 R)
• M38: 12,056,990 km (0.115 R)
• M39: 12,403,907 km (0.067 R)
• M40: 12,534,955 km (0.079 R)
• M41: 12,622,470 km (0.038 R)
• M42: 12,886,361 km (0.088 R)
• M43: 13,779,310 km (0.094 R)
• M44: 14,461,925 km (0.117 R)
• M45: 14,599,855 km (0.072 R)
• M46: 15,295,784 km (0.037 R)
• M47: 16,145,051 km (0.119 R)
• M48: 16,479,552 km (0.091 R)
• M49: 17,106,666 km (0.072 R)
• M50: 17,790,927 km (0.114 R)
• M51: 17,938,580 km (0.05 R)
• M52: 18,037,314 km (0.08 R)
• M53: 19,185,927 km (0.084 R)
• M54: 19,998,692 km (0.04 R)
• M55: 20,255,103 km (0.114 R)
• M56: 21,710,690 km (0.092 R)
• M57: 23,522,919 km (0.092 R)
• M58: 24,666,445 km (0.075 R)
• M59: 26,163,022 km (0.086 R)
• M60: 27,290,541 km (0.082 R)
• M61: 27,688,920 km (0.062 R)
• M62: 28,837,682 km (0.1 R)
• M63: 29,592,852 km (0.111 R)
• M64: 29,943,510 km (0.116 R)
• M65: 31,657,752 km (0.086 R)
• M66: 32,436,558 km (0.098 R)
• M67: 32,677,560 km (0.092 R)
• M68: 33,464,595 km (0.099 R)
• M69: 33,768,877 km (0.087 R)
• M70: 33,890,949 km (0.08 R)
• M71: 36,361,707 km (0.12 R)
• M72: 36,424,239 km (0.112 R)
• M73: 36,737,347 km (0.096 R)
• M74: 37,555,498 km (0.047 R)
• M75: 37,935,178 km (0.112 R)
• M76: 38,698,276 km (0.087 R)
• M77: 39,466,611 km (0.055 R)
• M78: 41,474,364 km (0.057 R)
• M79: 41,997,807 km (0.054 R)
• M80: 42,326,174 km (0.05 R)
• M81: 42,787,235 km (0.091 R)
• M82: 42,985,452 km (0.037 R)
• M83: 43,051,425 km (0.109 R)
• M84: 43,847,435 km (0.111 R)
• M85: 44,715,103 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.2

Radius: 8.7

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 9.27 AU - 12.23 AU

Year: 12331 Days

Day: 9.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 75,333,793 km

• M1: 251,175 km (0.096 R)
• M2: 310,116 km (0.07 R)
• M3: 546,631 km (0.117 R)
• M4: 629,807 km (0.083 R)
• M5: 704,905 km (0.049 R)
• M6: 783,294 km (0.082 R)
• M7: 920,775 km (0.065 R)
• M8: 1,188,854 km (0.115 R)
• M9: 1,566,439 km (0.115 R)
• M10: 2,228,410 km (0.111 R)
• M11: 2,426,477 km (0.118 R)
• M12: 2,651,173 km (0.045 R)
• M13: 3,230,865 km (0.091 R)
• M14: 3,896,277 km (0.049 R)
• M15: 3,967,635 km (0.052 R)
• M16: 4,039,292 km (0.077 R)
• M17: 4,183,953 km (0.059 R)
• M18: 4,805,233 km (0.114 R)
• M19: 5,481,864 km (0.088 R)
• M20: 5,561,899 km (0.061 R)
• M21: 5,885,779 km (0.06 R)
• M22: 6,105,239 km (0.056 R)
• M23: 6,495,689 km (0.078 R)
• M24: 6,665,483 km (0.111 R)
• M25: 6,750,903 km (0.11 R)
• M26: 6,808,199 km (0.07 R)
• M27: 7,067,452 km (0.108 R)
• M28: 7,329,996 km (0.098 R)
• M29: 7,418,259 km (0.095 R)
• M30: 7,715,061 km (0.091 R)
• M31: 8,597,539 km (0.102 R)
• M32: 9,931,503 km (0.116 R)
• M33: 10,192,851 km (0.096 R)
• M34: 10,258,524 km (0.072 R)
• M35: 10,489,653 km (0.04 R)
• M36: 10,789,148 km (0.104 R)
• M37: 10,956,847 km (0.066 R)
• M38: 11,294,789 km (0.067 R)
• M39: 11,670,579 km (0.106 R)
• M40: 11,808,209 km (0.101 R)
• M41: 13,537,710 km (0.071 R)
• M42: 14,339,704 km (0.082 R)
• M43: 14,524,158 km (0.076 R)
• M44: 14,969,960 km (0.081 R)
• M45: 15,044,759 km (0.066 R)
• M46: 15,685,038 km (0.117 R)
• M47: 16,526,974 km (0.112 R)
• M48: 17,698,475 km (0.082 R)
• M49: 18,174,645 km (0.116 R)
• M50: 18,374,358 km (0.085 R)
• M51: 19,099,011 km (0.118 R)
• M52: 19,791,948 km (0.112 R)
• M53: 20,079,774 km (0.102 R)
• M54: 20,244,781 km (0.111 R)
• M55: 20,451,675 km (0.031 R)
• M56: 20,742,642 km (0.051 R)
• M57: 21,835,156 km (0.086 R)
• M58: 22,774,181 km (0.08 R)
• M59: 23,508,857 km (0.103 R)
• M60: 23,769,905 km (0.119 R)
• M61: 24,338,975 km (0.053 R)
• M62: 24,912,533 km (0.099 R)
• M63: 25,001,245 km (0.069 R)
• M64: 25,312,259 km (0.1 R)
• M65: 25,938,326 km (0.06 R)
• M66: 26,433,645 km (0.084 R)
• M67: 27,342,452 km (0.1 R)
• M68: 27,754,743 km (0.069 R)
• M69: 27,846,746 km (0.033 R)
• M70: 28,631,985 km (0.112 R)
• M71: 30,508,092 km (0.114 R)
• M72: 30,650,360 km (0.087 R)
• M73: 30,983,365 km (0.102 R)
• M74: 32,230,412 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.8

Radius: 12.7

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 10.05 AU - 13.91 AU

Year: 14506 Days

Day: 13.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 75,333,793 km

• M1: 226,790 km (0.101 R)
• M2: 390,600 km (0.104 R)
• M3: 744,100 km (0.053 R)
• M4: 852,708 km (0.081 R)
• M5: 1,006,794 km (0.103 R)
• M6: 1,278,164 km (0.066 R)
• M7: 1,411,606 km (0.091 R)
• M8: 1,865,785 km (0.108 R)
• M9: 2,229,307 km (0.064 R)
• M10: 2,586,996 km (0.051 R)
• M11: 2,700,840 km (0.085 R)
• M12: 2,963,384 km (0.102 R)
• M13: 3,082,763 km (0.11 R)
• M14: 3,671,880 km (0.118 R)
• M15: 3,865,160 km (0.082 R)
• M16: 4,028,970 km (0.112 R)
• M17: 4,953,185 km (0.115 R)
• M18: 5,203,313 km (0.12 R)
• M19: 5,311,772 km (0.069 R)
• M20: 5,567,883 km (0.073 R)
• M21: 5,828,183 km (0.098 R)
• M22: 6,399,348 km (0.092 R)
• M23: 7,188,926 km (0.102 R)
• M24: 7,269,559 km (0.091 R)
• M25: 7,472,563 km (0.119 R)
• M26: 7,967,433 km (0.071 R)
• M27: 8,050,909 km (0.051 R)
• M28: 8,218,907 km (0.095 R)
• M29: 8,729,634 km (0.117 R)
• M30: 9,426,760 km (0.058 R)
• M31: 9,826,935 km (0.107 R)
• M32: 10,643,739 km (0.086 R)
• M33: 11,814,193 km (0.118 R)
• M34: 12,487,533 km (0.044 R)
• M35: 14,479,279 km (0.086 R)
• M36: 14,992,549 km (0.071 R)
• M37: 16,514,707 km (0.097 R)
• M38: 16,674,927 km (0.098 R)
• M39: 17,321,189 km (0.082 R)
• M40: 18,582,748 km (0.066 R)
• M41: 18,693,900 km (0.089 R)
• M42: 19,084,500 km (0.045 R)
• M43: 19,987,472 km (0.091 R)
• M44: 20,101,316 km (0.066 R)
• M45: 21,484,349 km (0.031 R)
• M46: 21,601,035 km (0.116 R)
• M47: 24,341,668 km (0.108 R)
• M48: 24,463,291 km (0.112 R)
• M49: 25,258,703 km (0.052 R)
• M50: 26,062,791 km (0.115 R)
• M51: 26,249,490 km (0.095 R)
• M52: 26,561,700 km (0.101 R)
• M53: 27,695,951 km (0.113 R)
• M54: 27,822,960 km (0.083 R)
• M55: 28,910,237 km (0.073 R)
• M56: 29,103,518 km (0.073 R)
• M57: 29,491,575 km (0.048 R)
• M58: 29,751,127 km (0.065 R)
• M59: 30,011,427 km (0.12 R)
• M60: 30,862,789 km (0.08 R)
• M61: 30,994,584 km (0.086 R)
• M62: 31,855,071 km (0.044 R)
• M63: 32,992,165 km (0.1 R)
• M64: 34,688,605 km (0.098 R)
• M65: 36,622,008 km (0.114 R)
• M66: 39,802,009 km (0.11 R)
• M67: 39,945,324 km (0.068 R)
• M68: 40,304,509 km (0.115 R)
• M69: 41,098,574 km (0.091 R)
• M70: 41,388,495 km (0.112 R)
• M71: 41,824,872 km (0.095 R)
• M72: 43,290,183 km (0.046 R)
• M73: 43,511,438 km (0.098 R)
• M74: 44,177,448 km (0.094 R)
• M75: 45,969,930 km (0.094 R)
• M76: 46,648,356 km (0.082 R)
• M77: 47,405,920 km (0.098 R)
• M78: 47,862,343 km (0.093 R)
• M79: 50,787,280 km (0.1 R)
• M80: 51,957,734 km (0.092 R)
• M81: 52,192,902 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.6

Radius: 4.7

Gravity: 23.61 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 12.12 AU - 20.06 AU

Year: 22579 Days

Day: 19.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 75,333,793 km

• M1: 170,093 km (0.043 R)
• M2: 373,995 km (0.098 R)
• M3: 660,624 km (0.111 R)
• M4: 899,981 km (0.118 R)
• M5: 1,604,587 km (0.04 R)
• M6: 2,023,461 km (0.088 R)
• M7: 2,158,996 km (0.108 R)
• M8: 3,586,759 km (0.117 R)
• M9: 4,043,930 km (0.118 R)
• M10: 4,344,322 km (0.087 R)
• M11: 4,431,538 km (0.077 R)
• M12: 4,475,370 km (0.045 R)
• M13: 4,696,476 km (0.117 R)
• M14: 4,786,085 km (0.104 R)
• M15: 5,241,909 km (0.102 R)
• M16: 5,569,230 km (0.088 R)
• M17: 6,243,467 km (0.05 R)
• M18: 6,841,859 km (0.084 R)
• M19: 6,943,286 km (0.113 R)
• M20: 7,615,130 km (0.094 R)
• M21: 7,667,639 km (0.119 R)
• M22: 8,199,758 km (0.118 R)
• M23: 8,307,469 km (0.09 R)
• M24: 8,361,623 km (0.112 R)
• M25: 8,853,800 km (0.075 R)
• M26: 9,299,004 km (0.04 R)
• M27: 9,694,540 km (0.076 R)
• M28: 10,095,612 km (0.077 R)
• M29: 10,560,712 km (0.056 R)
• M30: 10,914,062 km (0.049 R)
• M31: 13,429,999 km (0.118 R)
• M32: 13,493,578 km (0.054 R)
• M33: 14,916,104 km (0.102 R)
• M34: 16,115,131 km (0.102 R)
• M35: 18,040,755 km (0.083 R)
• M36: 20,547,716 km (0.113 R)
• M37: 21,357,938 km (0.076 R)
• M38: 21,878,838 km (0.071 R)
• M39: 22,103,534 km (0.074 R)
• M40: 22,178,483 km (0.11 R)
• M41: 22,706,114 km (0.108 R)
• M42: 24,857,182 km (0.098 R)
• M43: 25,719,913 km (0.086 R)
• M44: 25,877,888 km (0.096 R)
• M45: 26,036,163 km (0.08 R)
• M46: 27,716,895 km (0.063 R)
• M47: 27,797,828 km (0.041 R)
• M48: 29,267,627 km (0.06 R)
• M49: 29,350,055 km (0.09 R)
• M50: 30,595,308 km (0.12 R)
• M51: 31,857,615 km (0.036 R)
• M52: 32,367,295 km (0.072 R)
• M53: 33,567,069 km (0.107 R)
• M54: 35,130,816 km (0.067 R)
• M55: 36,363,353 km (0.081 R)
• M56: 36,718,199 km (0.049 R)
• M57: 37,879,078 km (0.111 R)
• M58: 38,238,712 km (0.08 R)
• M59: 40,236,741 km (0.074 R)
• M60: 40,328,444 km (0.066 R)
• M61: 40,511,851 km (0.113 R)
• M62: 40,787,560 km (0.059 R)
• M63: 40,879,563 km (0.102 R)
• M64: 41,063,868 km (0.106 R)
• M65: 41,248,471 km (0.034 R)
• M66: 41,340,923 km (0.106 R)
• M67: 41,618,427 km (0.075 R)
• M68: 41,896,679 km (0.113 R)
• M69: 43,578,757 km (0.066 R)
• M70: 46,527,032 km (0.115 R)
• M71: 50,227,934 km (0.114 R)
• M72: 52,213,397 km (0.084 R)
• M73: 52,713,802 km (0.092 R)
• M74: 52,914,412 km (0.106 R)
• M75: 53,014,793 km (0.068 R)
• M76: 53,416,912 km (0.094 R)
• M77: 54,832,556 km (0.092 R)
• M78: 55,137,586 km (0.098 R)
• M79: 55,647,117 km (0.073 R)
• M80: 59,048,823 km (0.03 R)
• M81: 59,988,148 km (0.065 R)
• M82: 61,459,293 km (0.09 R)
• M83: 62,942,107 km (0.1 R)
• M84: 63,048,471 km (0.065 R)
• M85: 63,261,499 km (0.12 R)
• M86: 64,329,628 km (0.085 R)
• M87: 69,869,386 km (0.098 R)
• M88: 70,199,998 km (0.097 R)
• M89: 70,420,654 km (0.099 R)
• M90: 70,973,419 km (0.103 R)
• M91: 75,333,748 km (0.09 R)

Kuiper Belt

Range: 31.4 - 47.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 12,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit