🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.49 AU - 0.73 AU

Year: 176 Days

Day: 37.1 Hours

Environment

Temp: 224 °C

Axial Tilt: 10.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.9 AU - 1.38 AU

Year: 449 Days

Day: 25.3 Hours

Environment

Temp: 15 °C

Axial Tilt: 27.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.95 AU - 1.55 AU

Year: 516 Days

Day: 23.8 Hours

Environment

Temp: -3 °C

Axial Tilt: 25.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.18 AU - 1.46 AU

Year: 560 Days

Day: 22.2 Hours

Environment

Temp: -6 °C

Axial Tilt: 35.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 97,156,437 km

• M1: 749,037 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.7

Radius: 8.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.55 AU - 7.47 AU

Year: 5436 Days

Day: 7.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 97,156,437 km

• M1: 142,866 km (0.074 R)
• M2: 304,132 km (0.094 R)
• M3: 525,687 km (0.097 R)
• M4: 632,201 km (0.061 R)
• M5: 766,091 km (0.074 R)
• M6: 867,817 km (0.105 R)
• M7: 974,181 km (0.113 R)
• M8: 1,096,552 km (0.114 R)
• M9: 1,519,615 km (0.084 R)
• M10: 1,636,152 km (0.092 R)
• M11: 1,715,588 km (0.08 R)
• M12: 1,837,361 km (0.087 R)
• M13: 1,989,951 km (0.073 R)
• M14: 2,337,467 km (0.055 R)
• M15: 2,427,525 km (0.12 R)
• M16: 2,798,677 km (0.033 R)
• M17: 3,007,366 km (0.062 R)
• M18: 3,422,949 km (0.069 R)
• M19: 3,803,526 km (0.045 R)
• M20: 4,107,060 km (0.11 R)
• M21: 4,161,364 km (0.045 R)
• M22: 5,083,336 km (0.114 R)
• M23: 5,180,873 km (0.054 R)
• M24: 6,632,272 km (0.063 R)
• M25: 6,803,262 km (0.087 R)
• M26: 7,171,572 km (0.049 R)
• M27: 7,814,843 km (0.041 R)
• M28: 8,177,618 km (0.103 R)
• M29: 8,338,137 km (0.077 R)
• M30: 8,919,773 km (0.106 R)
• M31: 9,179,774 km (0.087 R)
• M32: 9,442,318 km (0.099 R)
• M33: 10,146,476 km (0.087 R)
• M34: 10,591,978 km (0.083 R)
• M35: 11,630,636 km (0.059 R)
• M36: 11,992,663 km (0.108 R)
• M37: 12,595,542 km (0.102 R)
• M38: 12,914,036 km (0.112 R)
• M39: 13,020,699 km (0.076 R)
• M40: 14,049,334 km (0.06 R)
• M41: 14,684,677 km (0.106 R)
• M42: 15,470,664 km (0.067 R)
• M43: 15,584,059 km (0.093 R)
• M44: 15,669,330 km (0.063 R)
• M45: 15,840,171 km (0.104 R)
• M46: 15,925,890 km (0.084 R)
• M47: 16,327,860 km (0.114 R)
• M48: 17,406,311 km (0.112 R)
• M49: 17,672,146 km (0.079 R)
• M50: 17,939,328 km (0.094 R)
• M51: 18,088,327 km (0.091 R)
• M52: 19,939,003 km (0.028 R)
• M53: 20,031,454 km (0.061 R)
• M54: 20,589,903 km (0.043 R)
• M55: 20,808,465 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.7

Radius: 14.9

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.7 AU - 8.2 AU

Year: 8270 Days

Day: 8.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 97,156,437 km

• M1: 200,012 km (0.074 R)
• M2: 468,840 km (0.07 R)
• M3: 635,492 km (0.036 R)
• M4: 750,084 km (0.103 R)
• M5: 857,196 km (0.117 R)
• M6: 970,441 km (0.102 R)
• M7: 1,089,372 km (0.103 R)
• M8: 1,577,210 km (0.071 R)
• M9: 1,761,665 km (0.104 R)
• M10: 1,888,972 km (0.055 R)
• M11: 2,289,745 km (0.085 R)
• M12: 2,476,742 km (0.051 R)
• M13: 2,841,312 km (0.067 R)
• M14: 3,460,797 km (0.104 R)
• M15: 3,813,998 km (0.097 R)
• M16: 4,496,912 km (0.039 R)
• M17: 4,762,897 km (0.068 R)
• M18: 5,034,268 km (0.061 R)
• M19: 5,279,758 km (0.046 R)
• M20: 5,623,833 km (0.09 R)
• M21: 5,878,748 km (0.118 R)
• M22: 5,975,238 km (0.108 R)
• M23: 6,268,300 km (0.112 R)
• M24: 7,004,472 km (0.049 R)
• M25: 7,210,019 km (0.054 R)
• M26: 7,487,373 km (0.119 R)
• M27: 7,732,864 km (0.061 R)
• M28: 8,267,975 km (0.087 R)
• M29: 8,449,138 km (0.098 R)
• M30: 8,594,996 km (0.113 R)
• M31: 8,704,950 km (0.097 R)
• M32: 9,037,507 km (0.065 R)
• M33: 9,261,604 km (0.072 R)
• M34: 9,868,224 km (0.112 R)
• M35: 10,841,956 km (0.115 R)
• M36: 10,960,886 km (0.113 R)
• M37: 11,602,512 km (0.077 R)
• M38: 12,838,340 km (0.073 R)
• M39: 13,217,271 km (0.067 R)
• M40: 14,159,139 km (0.073 R)
• M41: 14,550,786 km (0.113 R)
• M42: 14,813,780 km (0.117 R)
• M43: 15,211,411 km (0.069 R)
• M44: 15,746,971 km (0.113 R)
• M45: 16,288,665 km (0.12 R)
• M46: 18,469,204 km (0.076 R)
• M47: 18,897,053 km (0.078 R)
• M48: 19,859,865 km (0.098 R)
• M49: 20,396,174 km (0.114 R)
• M50: 20,592,446 km (0.073 R)
• M51: 21,682,865 km (0.11 R)
• M52: 22,084,086 km (0.095 R)
• M53: 22,842,847 km (0.052 R)
• M54: 22,944,723 km (0.085 R)
• M55: 23,661,895 km (0.082 R)
• M56: 24,699,057 km (0.051 R)
• M57: 26,549,583 km (0.119 R)
• M58: 27,302,359 km (0.043 R)
• M59: 28,335,183 km (0.056 R)
• M60: 30,047,630 km (0.088 R)
• M61: 30,382,879 km (0.032 R)
• M62: 32,306,408 km (0.062 R)
• M63: 32,707,330 km (0.11 R)
• M64: 32,994,708 km (0.099 R)
• M65: 33,225,238 km (0.094 R)
• M66: 33,398,473 km (0.059 R)
• M67: 36,329,843 km (0.095 R)
• M68: 36,508,313 km (0.116 R)
• M69: 36,746,772 km (0.112 R)
• M70: 37,465,141 km (0.039 R)
• M71: 38,188,297 km (0.116 R)
• M72: 39,281,558 km (0.114 R)
• M73: 40,016,084 km (0.048 R)
• M74: 41,126,399 km (0.075 R)
• M75: 41,436,665 km (0.091 R)
• M76: 41,623,214 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.7

Radius: 12.5

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.97 AU - 12.21 AU

Year: 12715 Days

Day: 7 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 97,156,437 km

• M1: 157,078 km (0.074 R)
• M2: 258,206 km (0.117 R)
• M3: 473,627 km (0.114 R)
• M4: 576,849 km (0.102 R)
• M5: 996,621 km (0.083 R)
• M6: 1,218,923 km (0.112 R)
• M7: 1,413,251 km (0.106 R)
• M8: 2,109,180 km (0.078 R)
• M9: 2,589,689 km (0.061 R)
• M10: 2,785,812 km (0.073 R)
• M11: 3,373,432 km (0.119 R)
• M12: 3,526,471 km (0.091 R)
• M13: 3,839,429 km (0.094 R)
• M14: 3,935,172 km (0.116 R)
• M15: 5,250,736 km (0.115 R)
• M16: 5,393,003 km (0.055 R)
• M17: 6,310,637 km (0.045 R)
• M18: 6,691,363 km (0.079 R)
• M19: 7,118,764 km (0.105 R)
• M20: 7,435,164 km (0.03 R)
• M21: 7,877,973 km (0.113 R)
• M22: 8,041,185 km (0.097 R)
• M23: 8,205,443 km (0.101 R)
• M24: 9,386,518 km (0.111 R)
• M25: 9,472,836 km (0.114 R)
• M26: 9,777,418 km (0.081 R)
• M27: 10,041,009 km (0.087 R)
• M28: 12,091,996 km (0.09 R)
• M29: 12,612,596 km (0.105 R)
• M30: 12,947,845 km (0.071 R)
• M31: 13,627,020 km (0.088 R)
• M32: 14,317,713 km (0.059 R)
• M33: 14,567,242 km (0.096 R)
• M34: 15,733,358 km (0.049 R)
• M35: 16,929,393 km (0.101 R)
• M36: 18,424,623 km (0.037 R)
• M37: 18,641,690 km (0.084 R)
• M38: 18,968,860 km (0.075 R)
• M39: 19,628,886 km (0.066 R)
• M40: 20,464,540 km (0.118 R)
• M41: 21,141,470 km (0.069 R)
• M42: 21,768,585 km (0.087 R)
• M43: 21,883,177 km (0.105 R)
• M44: 23,627,039 km (0.03 R)
• M45: 23,804,013 km (0.096 R)
• M46: 23,922,046 km (0.098 R)
• M47: 24,277,640 km (0.072 R)
• M48: 25,657,082 km (0.066 R)
• M49: 25,960,317 km (0.118 R)
• M50: 26,447,856 km (0.096 R)
• M51: 28,491,363 km (0.077 R)
• M52: 28,868,200 km (0.093 R)
• M53: 29,627,110 km (0.118 R)
• M54: 29,945,305 km (0.099 R)
• M55: 30,264,547 km (0.051 R)
• M56: 30,520,808 km (0.106 R)
• M57: 30,971,098 km (0.096 R)
• M58: 31,423,482 km (0.104 R)
• M59: 31,877,960 km (0.118 R)
• M60: 35,457,239 km (0.11 R)
• M61: 37,568,812 km (0.085 R)
• M62: 38,051,266 km (0.028 R)
• M63: 38,674,640 km (0.112 R)
• M64: 38,813,616 km (0.045 R)
• M65: 38,952,742 km (0.087 R)
• M66: 39,861,250 km (0.115 R)
• M67: 40,494,199 km (0.084 R)
• M68: 41,130,588 km (0.103 R)
• M69: 42,055,552 km (0.052 R)
• M70: 42,198,567 km (0.092 R)
• M71: 44,652,870 km (0.102 R)
• M72: 44,798,728 km (0.112 R)
• M73: 45,603,565 km (0.111 R)
• M74: 45,750,320 km (0.105 R)
• M75: 46,118,181 km (0.083 R)
• M76: 46,265,535 km (0.075 R)
• M77: 46,560,841 km (0.084 R)
• M78: 47,301,650 km (0.107 R)
• M79: 49,171,025 km (0.074 R)
• M80: 49,472,315 km (0.055 R)
• M81: 50,076,840 km (0.064 R)
• M82: 50,455,771 km (0.092 R)
• M83: 50,607,763 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.6

Radius: 7.2

Gravity: 18.92 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 12.15 AU - 13.89 AU

Year: 17334 Days

Day: 24.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 97,156,437 km

• M1: 92,003 km (0.088 R)
• M2: 167,400 km (0.076 R)
• M3: 309,817 km (0.085 R)
• M4: 808,128 km (0.061 R)
• M5: 882,927 km (0.115 R)
• M6: 1,066,633 km (0.088 R)
• M7: 1,262,606 km (0.082 R)
• M8: 1,720,974 km (0.105 R)
• M9: 1,884,484 km (0.067 R)
• M10: 2,053,231 km (0.103 R)
• M11: 2,333,577 km (0.085 R)
• M12: 2,738,688 km (0.094 R)
• M13: 3,047,159 km (0.097 R)
• M14: 3,489,370 km (0.098 R)
• M15: 4,037,796 km (0.083 R)
• M16: 5,308,181 km (0.057 R)
• M17: 8,510,623 km (0.084 R)
• M18: 9,187,104 km (0.119 R)
• M19: 9,358,992 km (0.088 R)
• M20: 9,474,183 km (0.077 R)
• M21: 9,880,790 km (0.092 R)
• M22: 10,293,231 km (0.109 R)
• M23: 10,352,621 km (0.101 R)
• M24: 10,771,495 km (0.103 R)
• M25: 11,195,905 km (0.086 R)
• M26: 13,011,873 km (0.074 R)
• M27: 13,724,258 km (0.099 R)
• M28: 14,052,326 km (0.118 R)
• M29: 15,799,181 km (0.108 R)
• M30: 16,005,177 km (0.108 R)
• M31: 16,419,713 km (0.094 R)
• M32: 16,978,012 km (0.089 R)
• M33: 18,980,529 km (0.101 R)
• M34: 19,126,387 km (0.104 R)
• M35: 19,199,540 km (0.071 R)
• M36: 19,935,412 km (0.042 R)
• M37: 20,981,101 km (0.069 R)
• M38: 21,434,682 km (0.113 R)
• M39: 22,197,930 km (0.053 R)
• M40: 23,125,437 km (0.112 R)
• M41: 23,907,984 km (0.09 R)
• M42: 24,699,356 km (0.083 R)
• M43: 25,499,107 km (0.08 R)
• M44: 25,740,707 km (0.044 R)
• M45: 26,145,070 km (0.06 R)
• M46: 27,288,596 km (0.093 R)
• M47: 28,782,481 km (0.089 R)
• M48: 29,118,029 km (0.062 R)
• M49: 29,962,658 km (0.059 R)
• M50: 30,558,806 km (0.094 R)
• M51: 31,935,705 km (0.091 R)
• M52: 32,283,220 km (0.112 R)
• M53: 32,457,352 km (0.082 R)
• M54: 33,157,171 km (0.094 R)
• M55: 34,749,940 km (0.089 R)
• M56: 35,465,766 km (0.037 R)
• M57: 36,096,171 km (0.09 R)
• M58: 36,367,392 km (0.101 R)
• M59: 37,094,138 km (0.101 R)
• M60: 37,642,415 km (0.105 R)
• M61: 41,554,249 km (0.048 R)
• M62: 41,838,635 km (0.114 R)
• M63: 42,409,201 km (0.079 R)
• M64: 43,750,496 km (0.1 R)
• M65: 45,300,629 km (0.08 R)
• M66: 46,967,149 km (0.039 R)
• M67: 48,953,210 km (0.08 R)
• M68: 50,966,648 km (0.094 R)
• M69: 51,677,836 km (0.115 R)
• M70: 52,494,491 km (0.062 R)
• M71: 52,596,816 km (0.116 R)
• M72: 54,037,294 km (0.088 R)
• M73: 54,451,231 km (0.108 R)
• M74: 58,329,556 km (0.114 R)
• M75: 58,435,621 km (0.054 R)
• M76: 60,462,672 km (0.086 R)
• M77: 60,892,467 km (0.075 R)
• M78: 61,107,738 km (0.117 R)
• M79: 61,754,899 km (0.107 R)
• M80: 63,382,823 km (0.115 R)
• M81: 63,600,936 km (0.113 R)
• M82: 64,366,429 km (0.041 R)
• M83: 65,024,809 km (0.109 R)
• M84: 66,127,345 km (0.04 R)
• M85: 66,348,600 km (0.119 R)
• M86: 66,570,005 km (0.117 R)
• M87: 67,013,713 km (0.037 R)
• M88: 69,359,258 km (0.101 R)
• M89: 74,475,056 km (0.076 R)
• M90: 76,555,065 km (0.09 R)
• M91: 77,020,015 km (0.04 R)
• M92: 77,485,713 km (0.088 R)
• M93: 77,602,250 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.9

Radius: 6.8

Gravity: 19.18 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 14.95 AU - 18.61 AU

Year: 25361 Days

Day: 15.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 97,156,437 km

• M1: 87,664 km (0.049 R)
• M2: 141,370 km (0.074 R)
• M3: 379,979 km (0.11 R)
• M4: 920,177 km (0.086 R)
• M5: 1,073,664 km (0.037 R)
• M6: 1,169,855 km (0.119 R)
• M7: 1,656,198 km (0.044 R)
• M8: 2,281,068 km (0.076 R)
• M9: 2,447,870 km (0.103 R)
• M10: 2,705,477 km (0.105 R)
• M11: 3,293,397 km (0.115 R)
• M12: 3,969,430 km (0.074 R)
• M13: 4,426,152 km (0.12 R)
• M14: 5,555,616 km (0.114 R)
• M15: 5,951,003 km (0.051 R)
• M16: 6,238,979 km (0.048 R)
• M17: 6,531,593 km (0.093 R)
• M18: 6,888,533 km (0.086 R)
• M19: 8,123,912 km (0.086 R)
• M20: 9,559,902 km (0.092 R)
• M21: 10,583,152 km (0.087 R)
• M22: 10,861,853 km (0.074 R)
• M23: 12,879,629 km (0.055 R)
• M24: 14,236,481 km (0.083 R)
• M25: 14,466,862 km (0.097 R)
• M26: 15,009,603 km (0.105 R)
• M27: 15,165,933 km (0.078 R)
• M28: 16,758,253 km (0.085 R)
• M29: 17,738,867 km (0.109 R)
• M30: 17,904,172 km (0.092 R)
• M31: 17,986,900 km (0.064 R)
• M32: 18,570,182 km (0.086 R)
• M33: 19,159,747 km (0.119 R)
• M34: 20,012,455 km (0.034 R)
• M35: 20,964,795 km (0.088 R)
• M36: 23,545,209 km (0.095 R)
• M37: 24,826,365 km (0.101 R)
• M38: 25,755,368 km (0.072 R)
• M39: 26,506,648 km (0.049 R)
• M40: 26,884,981 km (0.091 R)
• M41: 27,265,110 km (0.091 R)
• M42: 28,900,513 km (0.117 R)
• M43: 29,094,991 km (0.109 R)
• M44: 30,270,980 km (0.1 R)
• M45: 35,024,302 km (0.089 R)
• M46: 35,543,407 km (0.101 R)
• M47: 35,647,527 km (0.069 R)
• M48: 36,274,492 km (0.069 R)
• M49: 36,799,730 km (0.113 R)
• M50: 40,111,976 km (0.071 R)
• M51: 40,546,259 km (0.114 R)
• M52: 41,091,394 km (0.111 R)
• M53: 41,529,117 km (0.097 R)
• M54: 47,130,360 km (0.102 R)
• M55: 47,244,803 km (0.104 R)
• M56: 48,048,293 km (0.098 R)
• M57: 49,552,499 km (0.063 R)
• M58: 50,018,497 km (0.069 R)
• M59: 50,135,183 km (0.088 R)
• M60: 50,369,005 km (0.088 R)
• M61: 51,189,699 km (0.104 R)
• M62: 52,251,544 km (0.066 R)
• M63: 53,082,411 km (0.081 R)
• M64: 58,404,056 km (0.117 R)
• M65: 59,513,324 km (0.084 R)
• M66: 62,379,470 km (0.09 R)
• M67: 63,387,011 km (0.102 R)
• M68: 65,162,888 km (0.114 R)
• M69: 66,698,211 km (0.061 R)
• M70: 69,023,261 km (0.072 R)
• M71: 70,850,000 km (0.09 R)
• M72: 71,243,443 km (0.09 R)
• M73: 71,374,790 km (0.113 R)
• M74: 71,769,279 km (0.113 R)
• M75: 73,354,418 km (0.095 R)
• M76: 77,367,381 km (0.1 R)
• M77: 77,772,642 km (0.096 R)
• M78: 78,720,793 km (0.116 R)
• M79: 80,082,134 km (0.04 R)
• M80: 81,313,923 km (0.056 R)
• M81: 84,490,035 km (0.111 R)
• M82: 84,907,413 km (0.052 R)
• M83: 85,046,689 km (0.111 R)
• M84: 85,883,689 km (0.116 R)
• M85: 86,583,358 km (0.057 R)
• M86: 87,144,350 km (0.028 R)
• M87: 88,129,153 km (0.075 R)
• M88: 89,117,696 km (0.067 R)
• M89: 89,542,404 km (0.109 R)
• M90: 89,967,860 km (0.096 R)
• M91: 90,678,301 km (0.08 R)
• M92: 90,820,718 km (0.114 R)
• M93: 92,248,031 km (0.114 R)
• M94: 92,964,605 km (0.067 R)
• M95: 93,539,061 km (0.103 R)
• M96: 93,682,974 km (0.11 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 10,715 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit