🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.81 AU - 1.11 AU

Year: 344 Days

Day: 46.5 Hours

Environment

Temp: 45 °C

Axial Tilt: 49.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.11 AU - 1.63 AU

Year: 586 Days

Day: 42.7 Hours

Environment

Temp: -10 °C

Axial Tilt: 14.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 46,985,969 km

• M1: 15,708 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.27 AU - 1.63 AU

Year: 638 Days

Day: 19.3 Hours

Environment

Temp: -32 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,985,969 km

• M1: 752,477 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.37 AU - 1.89 AU

Year: 760 Days

Day: 43.8 Hours

Environment

Temp: -46 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,985,969 km

• M1: 1,510,490 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.61 AU - 2.05 AU

Year: 904 Days

Day: 36.9 Hours

Environment

Temp: -51 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.2

Radius: 9.1

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.98 AU - 5.32 AU

Year: 4269 Days

Day: 13.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 46,985,969 km

• M1: 121,174 km (0.056 R)
• M2: 300,093 km (0.106 R)
• M3: 460,163 km (0.105 R)
• M4: 625,768 km (0.107 R)
• M5: 893,249 km (0.1 R)
• M6: 1,236,875 km (0.066 R)
• M7: 1,506,899 km (0.065 R)
• M8: 1,643,183 km (0.064 R)
• M9: 1,819,260 km (0.073 R)
• M10: 1,915,900 km (0.047 R)
• M11: 2,451,012 km (0.09 R)
• M12: 2,531,046 km (0.104 R)
• M13: 2,959,195 km (0.077 R)
• M14: 3,395,124 km (0.09 R)
• M15: 3,727,829 km (0.119 R)
• M16: 4,007,727 km (0.084 R)
• M17: 4,182,158 km (0.076 R)
• M18: 4,522,344 km (0.087 R)
• M19: 4,989,687 km (0.043 R)
• M20: 5,160,379 km (0.117 R)
• M21: 6,078,909 km (0.09 R)
• M22: 6,800,719 km (0.107 R)
• M23: 7,009,109 km (0.074 R)
• M24: 7,123,851 km (0.069 R)
• M25: 7,963,394 km (0.046 R)
• M26: 8,143,061 km (0.114 R)
• M27: 8,445,548 km (0.077 R)
• M28: 8,710,635 km (0.091 R)
• M29: 9,270,131 km (0.094 R)
• M30: 9,543,746 km (0.056 R)
• M31: 9,607,175 km (0.095 R)
• M32: 9,991,193 km (0.114 R)
• M33: 10,098,754 km (0.118 R)
• M34: 10,401,989 km (0.054 R)
• M35: 11,195,456 km (0.104 R)
• M36: 11,486,873 km (0.059 R)
• M37: 11,554,491 km (0.09 R)
• M38: 11,871,638 km (0.061 R)
• M39: 12,077,036 km (0.079 R)
• M40: 12,191,628 km (0.091 R)
• M41: 13,310,471 km (0.042 R)
• M42: 14,828,141 km (0.115 R)
• M43: 14,926,427 km (0.077 R)
• M44: 15,074,080 km (0.076 R)
• M45: 15,420,698 km (0.108 R)
• M46: 15,545,164 km (0.12 R)
• M47: 16,425,397 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.8

Radius: 10.6

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.26 AU - 6.48 AU

Year: 5872 Days

Day: 10.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 46,985,969 km

• M1: 132,693 km (0.09 R)
• M2: 357,539 km (0.063 R)
• M3: 521,498 km (0.078 R)
• M4: 603,328 km (0.071 R)
• M5: 805,585 km (0.038 R)
• M6: 1,004,550 km (0.103 R)
• M7: 1,110,166 km (0.103 R)
• M8: 1,233,883 km (0.062 R)
• M9: 1,465,461 km (0.074 R)
• M10: 1,742,965 km (0.1 R)
• M11: 1,888,224 km (0.099 R)
• M12: 2,208,065 km (0.095 R)
• M13: 2,655,362 km (0.096 R)
• M14: 2,842,210 km (0.107 R)
• M15: 3,091,739 km (0.114 R)
• M16: 3,489,520 km (0.116 R)
• M17: 3,591,695 km (0.064 R)
• M18: 3,673,974 km (0.081 R)
• M19: 3,757,001 km (0.111 R)
• M20: 3,861,719 km (0.116 R)
• M21: 4,181,560 km (0.071 R)
• M22: 4,333,850 km (0.062 R)
• M23: 4,487,936 km (0.088 R)
• M24: 4,711,435 km (0.086 R)
• M25: 4,824,382 km (0.1 R)
• M26: 5,955,491 km (0.066 R)
• M27: 6,450,211 km (0.085 R)
• M28: 6,550,891 km (0.038 R)
• M29: 6,651,869 km (0.076 R)
• M30: 6,779,028 km (0.082 R)
• M31: 6,881,203 km (0.1 R)
• M32: 7,061,468 km (0.094 R)
• M33: 7,374,128 km (0.082 R)
• M34: 7,479,295 km (0.113 R)
• M35: 8,202,601 km (0.118 R)
• M36: 8,284,281 km (0.066 R)
• M37: 8,366,261 km (0.105 R)
• M38: 8,864,123 km (0.069 R)
• M39: 9,032,271 km (0.075 R)
• M40: 9,173,192 km (0.031 R)
• M41: 9,400,132 km (0.113 R)
• M42: 9,657,739 km (0.081 R)
• M43: 10,444,475 km (0.076 R)
• M44: 11,040,472 km (0.118 R)
• M45: 11,678,208 km (0.081 R)
• M46: 11,986,081 km (0.1 R)
• M47: 12,421,710 km (0.037 R)
• M48: 12,799,145 km (0.069 R)
• M49: 13,889,115 km (0.087 R)
• M50: 14,051,878 km (0.06 R)
• M51: 14,511,143 km (0.096 R)
• M52: 14,775,782 km (0.108 R)
• M53: 15,309,846 km (0.104 R)
• M54: 15,816,384 km (0.102 R)
• M55: 15,952,369 km (0.102 R)
• M56: 16,569,161 km (0.112 R)
• M57: 16,672,683 km (0.088 R)
• M58: 17,720,167 km (0.118 R)
• M59: 17,790,777 km (0.074 R)
• M60: 18,358,800 km (0.081 R)
• M61: 19,258,482 km (0.095 R)
• M62: 19,805,113 km (0.099 R)
• M63: 19,878,266 km (0.09 R)
• M64: 20,135,425 km (0.116 R)
• M65: 20,393,780 km (0.037 R)
• M66: 20,467,681 km (0.052 R)
• M67: 21,852,659 km (0.049 R)
• M68: 22,499,221 km (0.061 R)
• M69: 23,113,320 km (0.097 R)
• M70: 23,655,313 km (0.084 R)
• M71: 24,397,468 km (0.118 R)
• M72: 24,476,007 km (0.057 R)
• M73: 24,633,533 km (0.096 R)
• M74: 24,870,197 km (0.064 R)
• M75: 25,584,976 km (0.025 R)
• M76: 25,984,851 km (0.068 R)
• M77: 26,912,807 km (0.101 R)
• M78: 27,075,270 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830

Radius: 13.6

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.32 AU - 10.58 AU

Year: 9780 Days

Day: 7.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 46,985,969 km

• M1: 177,423 km (0.105 R)
• M2: 379,530 km (0.058 R)
• M3: 962,662 km (0.067 R)
• M4: 1,241,214 km (0.109 R)
• M5: 1,501,364 km (0.047 R)
• M6: 1,876,406 km (0.092 R)
• M7: 2,333,727 km (0.068 R)
• M8: 2,797,630 km (0.113 R)
• M9: 3,231,164 km (0.089 R)
• M10: 3,562,823 km (0.061 R)
• M11: 3,779,740 km (0.054 R)
• M12: 3,905,701 km (0.097 R)
• M13: 4,292,113 km (0.107 R)
• M14: 4,523,241 km (0.111 R)
• M15: 5,032,622 km (0.108 R)
• M16: 5,560,254 km (0.072 R)
• M17: 5,776,423 km (0.083 R)
• M18: 5,995,284 km (0.062 R)
• M19: 7,444,888 km (0.108 R)
• M20: 7,643,554 km (0.064 R)
• M21: 7,924,648 km (0.112 R)
• M22: 8,168,193 km (0.098 R)
• M23: 9,638,292 km (0.084 R)
• M24: 9,898,442 km (0.061 R)
• M25: 11,784,423 km (0.094 R)
• M26: 11,923,399 km (0.091 R)
• M27: 12,156,024 km (0.097 R)
• M28: 13,487,295 km (0.098 R)
• M29: 14,120,992 km (0.105 R)
• M30: 14,219,427 km (0.064 R)
• M31: 14,466,264 km (0.1 R)
• M32: 14,714,596 km (0.06 R)
• M33: 15,266,014 km (0.064 R)
• M34: 17,803,643 km (0.063 R)
• M35: 18,123,184 km (0.114 R)
• M36: 18,498,525 km (0.059 R)
• M37: 18,714,245 km (0.107 R)
• M38: 18,984,867 km (0.047 R)
• M39: 19,147,929 km (0.094 R)
• M40: 20,916,176 km (0.04 R)
• M41: 21,140,872 km (0.085 R)
• M42: 22,219,173 km (0.048 R)
• M43: 23,665,186 km (0.032 R)
• M44: 23,840,665 km (0.058 R)
• M45: 25,500,154 km (0.085 R)
• M46: 26,222,712 km (0.108 R)
• M47: 26,769,043 km (0.048 R)
• M48: 27,626,388 km (0.104 R)
• M49: 28,306,311 km (0.099 R)
• M50: 29,872,152 km (0.102 R)
• M51: 30,442,867 km (0.098 R)
• M52: 31,594,771 km (0.085 R)
• M53: 32,111,333 km (0.106 R)
• M54: 32,565,661 km (0.102 R)
• M55: 32,761,036 km (0.1 R)
• M56: 32,891,485 km (0.092 R)
• M57: 33,283,881 km (0.114 R)
• M58: 34,073,309 km (0.097 R)
• M59: 34,470,341 km (0.036 R)
• M60: 34,603,035 km (0.104 R)
• M61: 36,546,161 km (0.047 R)
• M62: 36,749,315 km (0.059 R)
• M63: 37,360,572 km (0.061 R)
• M64: 38,043,935 km (0.117 R)
• M65: 38,731,188 km (0.11 R)
• M66: 41,239,645 km (0.11 R)
• M67: 41,521,637 km (0.118 R)
• M68: 42,016,507 km (0.074 R)
• M69: 42,869,514 km (0.067 R)
• M70: 43,584,741 km (0.118 R)
• M71: 43,871,969 km (0.109 R)
• M72: 44,304,008 km (0.114 R)
• M73: 45,535,647 km (0.063 R)
• M74: 45,681,206 km (0.108 R)
• M75: 46,558,298 km (0.069 R)
• M76: 47,514,827 km (0.098 R)
• M77: 48,403,438 km (0.082 R)
• M78: 48,552,139 km (0.081 R)
• M79: 48,700,839 km (0.099 R)
• M80: 49,671,729 km (0.085 R)
• M81: 50,046,920 km (0.108 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.8

Radius: 9.6

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 9.42 AU - 11.78 AU

Year: 12605 Days

Day: 6.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 46,985,969 km

• M1: 521,648 km (0.084 R)
• M2: 637,736 km (0.091 R)
• M3: 708,346 km (0.101 R)
• M4: 1,234,631 km (0.104 R)
• M5: 1,441,226 km (0.116 R)
• M6: 1,914,254 km (0.085 R)
• M7: 2,320,263 km (0.051 R)
• M8: 2,490,206 km (0.097 R)
• M9: 2,605,995 km (0.078 R)
• M10: 2,812,590 km (0.086 R)
• M11: 3,148,437 km (0.037 R)
• M12: 3,337,080 km (0.103 R)
• M13: 3,891,789 km (0.075 R)
• M14: 3,958,808 km (0.083 R)
• M15: 4,265,933 km (0.116 R)
• M16: 4,335,197 km (0.11 R)
• M17: 4,975,924 km (0.058 R)
• M18: 5,953,098 km (0.119 R)
• M19: 6,265,608 km (0.099 R)
• M20: 6,423,733 km (0.111 R)
• M21: 6,947,325 km (0.106 R)
• M22: 9,220,465 km (0.045 R)
• M23: 9,445,909 km (0.113 R)
• M24: 9,948,258 km (0.093 R)
• M25: 10,226,062 km (0.041 R)
• M26: 10,365,786 km (0.079 R)
• M27: 11,170,174 km (0.106 R)
• M28: 11,945,540 km (0.08 R)
• M29: 13,496,720 km (0.092 R)
• M30: 14,426,171 km (0.088 R)
• M31: 14,793,285 km (0.074 R)
• M32: 16,894,088 km (0.117 R)
• M33: 17,225,447 km (0.115 R)
• M34: 17,559,050 km (0.101 R)
• M35: 18,007,245 km (0.053 R)
• M36: 19,431,716 km (0.115 R)
• M37: 20,538,441 km (0.118 R)
• M38: 21,010,572 km (0.103 R)
• M39: 21,725,500 km (0.06 R)
• M40: 21,905,467 km (0.111 R)
• M41: 22,085,882 km (0.114 R)
• M42: 22,569,532 km (0.067 R)
• M43: 22,873,514 km (0.067 R)
• M44: 24,351,841 km (0.093 R)
• M45: 24,601,370 km (0.037 R)
• M46: 26,179,179 km (0.055 R)
• M47: 27,206,018 km (0.107 R)
• M48: 27,400,047 km (0.114 R)
• M49: 27,919,600 km (0.105 R)
• M50: 29,034,703 km (0.095 R)
• M51: 29,166,798 km (0.071 R)
• M52: 29,630,850 km (0.076 R)
• M53: 31,240,374 km (0.086 R)
• M54: 31,375,760 km (0.089 R)
• M55: 32,466,029 km (0.057 R)
• M56: 32,809,356 km (0.068 R)
• M57: 33,846,219 km (0.11 R)
• M58: 33,915,782 km (0.068 R)
• M59: 35,175,247 km (0.089 R)
• M60: 36,165,285 km (0.094 R)
• M61: 38,100,633 km (0.071 R)
• M62: 38,825,883 km (0.049 R)
• M63: 39,263,158 km (0.097 R)
• M64: 39,555,771 km (0.067 R)
• M65: 40,511,253 km (0.088 R)
• M66: 40,806,858 km (0.101 R)
• M67: 41,772,363 km (0.029 R)
• M68: 42,220,409 km (0.092 R)
• M69: 42,970,941 km (0.11 R)
• M70: 43,196,834 km (0.098 R)
• M71: 43,347,778 km (0.068 R)
• M72: 43,650,116 km (0.109 R)
• M73: 43,801,509 km (0.049 R)
• M74: 44,104,893 km (0.059 R)
• M75: 44,942,641 km (0.069 R)
• M76: 45,171,975 km (0.081 R)
• M77: 46,324,925 km (0.063 R)
• M78: 46,788,828 km (0.116 R)
• M79: 47,254,227 km (0.098 R)
• M80: 49,683,098 km (0.099 R)
• M81: 50,316,496 km (0.096 R)
• M82: 50,554,656 km (0.088 R)
• M83: 51,271,529 km (0.12 R)
• M84: 51,351,414 km (0.073 R)
• M85: 51,671,254 km (0.113 R)
• M86: 54,416,824 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.5

Radius: 7.6

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 11.35 AU - 15.21 AU

Year: 17676 Days

Day: 19.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 46,985,969 km

• M1: 121,922 km (0.107 R)
• M2: 314,156 km (0.058 R)
• M3: 401,521 km (0.071 R)
• M4: 512,672 km (0.115 R)
• M5: 603,179 km (0.08 R)
• M6: 749,485 km (0.117 R)
• M7: 926,011 km (0.066 R)
• M8: 1,277,117 km (0.093 R)
• M9: 1,489,247 km (0.119 R)
• M10: 1,828,684 km (0.082 R)
• M11: 1,947,166 km (0.041 R)
• M12: 2,043,806 km (0.036 R)
• M13: 2,267,156 km (0.034 R)
• M14: 2,683,636 km (0.094 R)
• M15: 2,737,342 km (0.117 R)
• M16: 2,818,723 km (0.115 R)
• M17: 3,586,310 km (0.106 R)
• M18: 3,705,390 km (0.05 R)
• M19: 3,916,921 km (0.109 R)
• M20: 4,446,946 km (0.078 R)
• M21: 4,736,568 km (0.049 R)
• M22: 5,032,472 km (0.099 R)
• M23: 5,099,043 km (0.096 R)
• M24: 5,504,753 km (0.063 R)
• M25: 5,676,790 km (0.054 R)
• M26: 5,746,204 km (0.083 R)
• M27: 5,920,785 km (0.038 R)
• M28: 5,991,096 km (0.071 R)
• M29: 6,491,351 km (0.085 R)
• M30: 6,563,906 km (0.104 R)
• M31: 6,636,760 km (0.079 R)
• M32: 6,893,769 km (0.106 R)
• M33: 7,004,920 km (0.119 R)
• M34: 8,148,895 km (0.098 R)
• M35: 8,862,776 km (0.047 R)
• M36: 9,390,857 km (0.054 R)
• M37: 9,762,458 km (0.106 R)
• M38: 9,845,634 km (0.064 R)
• M39: 10,054,772 km (0.057 R)
• M40: 10,307,592 km (0.105 R)
• M41: 10,905,685 km (0.112 R)
• M42: 11,427,482 km (0.11 R)
• M43: 14,249,646 km (0.093 R)
• M44: 14,533,583 km (0.062 R)
• M45: 14,581,155 km (0.109 R)
• M46: 15,348,592 km (0.095 R)
• M47: 15,786,016 km (0.097 R)
• M48: 16,326,214 km (0.087 R)
• M49: 16,474,615 km (0.075 R)
• M50: 16,872,545 km (0.037 R)
• M51: 18,085,036 km (0.085 R)
• M52: 18,238,673 km (0.103 R)
• M53: 18,341,297 km (0.055 R)
• M54: 18,753,589 km (0.119 R)
• M55: 19,325,502 km (0.043 R)
• M56: 21,507,387 km (0.097 R)
• M57: 22,654,952 km (0.109 R)
• M58: 23,654,266 km (0.109 R)
• M59: 24,102,910 km (0.11 R)
• M60: 25,638,083 km (0.109 R)
• M61: 25,925,909 km (0.094 R)
• M62: 25,983,505 km (0.055 R)
• M63: 26,272,677 km (0.111 R)
• M64: 27,146,179 km (0.089 R)
• M65: 28,147,587 km (0.112 R)
• M66: 28,384,999 km (0.107 R)
• M67: 28,623,159 km (0.109 R)
• M68: 29,762,945 km (0.086 R)
• M69: 30,186,606 km (0.067 R)
• M70: 30,247,343 km (0.034 R)
• M71: 30,308,080 km (0.118 R)
• M72: 30,673,248 km (0.109 R)
• M73: 31,839,513 km (0.098 R)
• M74: 32,396,915 km (0.096 R)
• M75: 32,645,846 km (0.039 R)
• M76: 32,957,608 km (0.069 R)
• M77: 33,836,196 km (0.088 R)
• M78: 34,025,437 km (0.042 R)
• M79: 36,194,906 km (0.116 R)
• M80: 37,361,470 km (0.06 R)
• M81: 38,738,069 km (0.059 R)
• M82: 39,864,541 km (0.05 R)
• M83: 40,398,307 km (0.076 R)
• M84: 40,934,465 km (0.034 R)
• M85: 41,203,442 km (0.096 R)
• M86: 41,270,911 km (0.092 R)
• M87: 42,421,169 km (0.12 R)
• M88: 44,338,715 km (0.087 R)
• M89: 44,822,514 km (0.07 R)
• M90: 44,961,042 km (0.112 R)
• M91: 45,586,211 km (0.05 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 19,401 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit