🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.4

Radius: 8.5

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.51 AU - 0.53 AU

Year: 250 Days

Day: 6.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,523,688 km

• M1: 106,663 km (0.064 R)
• M2: 200,611 km (0.082 R)
• M3: 258,655 km (0.106 R)
• M4: 322,832 km (0.093 R)
• M5: 384,616 km (0.114 R)
• M6: 451,337 km (0.029 R)
• M7: 530,474 km (0.109 R)
• M8: 659,727 km (0.086 R)
• M9: 733,778 km (0.098 R)
• M10: 798,105 km (0.028 R)
• M11: 873,801 km (0.08 R)
• M12: 936,632 km (0.109 R)
• M13: 1,007,093 km (0.081 R)
• M14: 1,071,270 km (0.102 R)
• M15: 1,151,455 km (0.099 R)
• M16: 1,206,058 km (0.102 R)
• M17: 1,298,360 km (0.114 R)
• M18: 1,364,333 km (0.043 R)
• M19: 1,504,207 km (0.061 R)
• M20: 1,566,589 km (0.094 R)
• M21: 1,620,444 km (0.109 R)
• M22: 1,679,685 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.5

Radius: 10.2

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.58 AU - 0.6 AU

Year: 302 Days

Day: 11.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,523,688 km

• M1: 135,236 km (0.096 R)
• M2: 200,162 km (0.074 R)
• M3: 267,930 km (0.116 R)
• M4: 342,430 km (0.113 R)
• M5: 424,858 km (0.096 R)
• M6: 509,530 km (0.079 R)
• M7: 581,337 km (0.078 R)
• M8: 652,546 km (0.062 R)
• M9: 741,407 km (0.115 R)
• M10: 809,923 km (0.107 R)
• M11: 883,226 km (0.084 R)
• M12: 969,693 km (0.117 R)
• M13: 1,061,995 km (0.109 R)
• M14: 1,131,857 km (0.108 R)
• M15: 1,203,515 km (0.086 R)
• M16: 1,282,503 km (0.114 R)
• M17: 1,393,803 km (0.073 R)
• M18: 1,474,137 km (0.11 R)
• M19: 1,559,259 km (0.104 R)
• M20: 1,626,578 km (0.102 R)
• M21: 1,698,235 km (0.078 R)
• M22: 1,774,380 km (0.059 R)
• M23: 1,878,800 km (0.083 R)
• M24: 1,954,197 km (0.094 R)
• M25: 2,058,766 km (0.11 R)
• M26: 2,143,737 km (0.08 R)
• M27: 2,230,055 km (0.102 R)
• M28: 2,310,090 km (0.091 R)
• M29: 2,465,822 km (0.065 R)
• M30: 2,613,475 km (0.12 R)
• M31: 2,690,368 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.6

Radius: 12.4

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.43 AU - 1.83 AU

Year: 1388 Days

Day: 6.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 47,523,688 km

• M1: 161,566 km (0.118 R)
• M2: 273,315 km (0.115 R)
• M3: 380,427 km (0.109 R)
• M4: 458,069 km (0.089 R)
• M5: 548,875 km (0.097 R)
• M6: 1,036,863 km (0.112 R)
• M7: 1,163,572 km (0.103 R)
• M8: 1,433,447 km (0.099 R)
• M9: 1,789,939 km (0.086 R)
• M10: 1,954,197 km (0.111 R)
• M11: 2,053,231 km (0.093 R)
• M12: 2,143,887 km (0.042 R)
• M13: 2,246,362 km (0.077 R)
• M14: 2,445,476 km (0.098 R)
• M15: 2,661,496 km (0.071 R)
• M16: 2,952,015 km (0.059 R)
• M17: 3,288,161 km (0.096 R)
• M18: 3,834,493 km (0.11 R)
• M19: 4,073,700 km (0.091 R)
• M20: 4,821,091 km (0.083 R)
• M21: 4,983,853 km (0.115 R)
• M22: 5,107,122 km (0.068 R)
• M23: 5,189,849 km (0.115 R)
• M24: 5,314,913 km (0.071 R)
• M25: 5,455,086 km (0.069 R)
• M26: 5,639,092 km (0.115 R)
• M27: 5,911,659 km (0.06 R)
• M28: 6,027,747 km (0.076 R)
• M29: 6,218,185 km (0.098 R)
• M30: 6,410,418 km (0.111 R)
• M31: 6,695,103 km (0.046 R)
• M32: 6,801,168 km (0.053 R)
• M33: 6,907,682 km (0.077 R)
• M34: 7,076,129 km (0.079 R)
• M35: 7,215,105 km (0.055 R)
• M36: 7,464,186 km (0.031 R)
• M37: 7,621,413 km (0.083 R)
• M38: 7,747,973 km (0.063 R)
• M39: 7,875,281 km (0.074 R)
• M40: 8,261,243 km (0.047 R)
• M41: 8,505,686 km (0.09 R)
• M42: 8,620,577 km (0.071 R)
• M43: 8,703,006 km (0.059 R)
• M44: 9,001,753 km (0.092 R)
• M45: 9,337,749 km (0.067 R)
• M46: 9,422,272 km (0.076 R)
• M47: 9,558,257 km (0.068 R)
• M48: 9,935,543 km (0.1 R)
• M49: 10,056,717 km (0.052 R)
• M50: 10,230,550 km (0.116 R)
• M51: 10,422,932 km (0.043 R)
• M52: 10,528,249 km (0.117 R)
• M53: 11,276,388 km (0.034 R)
• M54: 11,529,508 km (0.097 R)
• M55: 11,949,579 km (0.088 R)
• M56: 12,281,836 km (0.038 R)
• M57: 12,579,685 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.7

Radius: 10.7

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.72 AU - 4.12 AU

Year: 4218 Days

Day: 5.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 47,523,688 km

• M1: 152,739 km (0.078 R)
• M2: 285,134 km (0.06 R)
• M3: 422,315 km (0.086 R)
• M4: 601,383 km (0.114 R)
• M5: 705,204 km (0.101 R)
• M6: 833,410 km (0.117 R)
• M7: 914,342 km (0.051 R)
• M8: 1,065,286 km (0.111 R)
• M9: 1,143,975 km (0.061 R)
• M10: 1,255,725 km (0.068 R)
• M11: 1,545,944 km (0.1 R)
• M12: 1,821,952 km (0.114 R)
• M13: 1,966,015 km (0.118 R)
• M14: 2,227,213 km (0.079 R)
• M15: 2,579,815 km (0.092 R)
• M16: 2,701,438 km (0.082 R)
• M17: 2,769,805 km (0.072 R)
• M18: 3,221,141 km (0.098 R)
• M19: 3,426,090 km (0.058 R)
• M20: 3,711,074 km (0.053 R)
• M21: 3,879,522 km (0.096 R)
• M22: 4,082,077 km (0.095 R)
• M23: 4,336,094 km (0.117 R)
• M24: 4,529,973 km (0.115 R)
• M25: 4,776,510 km (0.046 R)
• M26: 5,163,221 km (0.102 R)
• M27: 5,300,103 km (0.048 R)
• M28: 5,438,182 km (0.036 R)
• M29: 5,525,098 km (0.076 R)
• M30: 5,612,463 km (0.103 R)
• M31: 5,753,235 km (0.098 R)
• M32: 6,182,730 km (0.044 R)
• M33: 6,567,047 km (0.116 R)
• M34: 6,696,898 km (0.082 R)
• M35: 7,167,533 km (0.116 R)
• M36: 7,339,720 km (0.086 R)
• M37: 7,493,806 km (0.083 R)
• M38: 7,571,298 km (0.084 R)
• M39: 7,668,536 km (0.099 R)
• M40: 7,785,821 km (0.088 R)
• M41: 7,943,049 km (0.115 R)
• M42: 8,300,737 km (0.105 R)
• M43: 8,441,209 km (0.089 R)
• M44: 8,847,218 km (0.12 R)
• M45: 8,949,693 km (0.107 R)
• M46: 9,135,044 km (0.087 R)
• M47: 9,238,716 km (0.099 R)
• M48: 9,804,794 km (0.086 R)
• M49: 10,081,550 km (0.091 R)
• M50: 10,403,934 km (0.1 R)
• M51: 10,686,075 km (0.107 R)
• M52: 11,014,742 km (0.119 R)
• M53: 12,546,474 km (0.118 R)
• M54: 12,847,016 km (0.065 R)
• M55: 13,009,629 km (0.099 R)
• M56: 13,149,802 km (0.106 R)
• M57: 13,502,105 km (0.055 R)
• M58: 13,643,924 km (0.103 R)
• M59: 14,626,034 km (0.117 R)
• M60: 14,917,900 km (0.061 R)
• M61: 15,187,026 km (0.064 R)
• M62: 15,285,312 km (0.115 R)
• M63: 15,804,865 km (0.11 R)
• M64: 16,029,262 km (0.12 R)
• M65: 16,229,574 km (0.119 R)
• M66: 16,355,236 km (0.096 R)
• M67: 17,039,497 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.5

Radius: 3.8

Gravity: 46.64 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.78 AU - 5.9 AU

Year: 9411 Days

Day: 20.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 47,523,688 km

• M1: 63,429 km (0.114 R)
• M2: 115,041 km (0.074 R)
• M3: 1,323,193 km (0.094 R)
• M4: 1,386,174 km (0.111 R)
• M5: 1,428,660 km (0.039 R)
• M6: 1,471,594 km (0.094 R)
• M7: 1,692,850 km (0.082 R)
• M8: 1,877,304 km (0.113 R)
• M9: 2,141,344 km (0.102 R)
• M10: 2,650,725 km (0.074 R)
• M11: 2,783,867 km (0.03 R)
• M12: 3,685,792 km (0.083 R)
• M13: 3,834,343 km (0.112 R)
• M14: 4,291,514 km (0.106 R)
• M15: 4,322,630 km (0.119 R)
• M16: 4,797,903 km (0.106 R)
• M17: 5,156,938 km (0.103 R)
• M18: 5,694,593 km (0.104 R)
• M19: 5,797,366 km (0.081 R)
• M20: 6,004,859 km (0.064 R)
• M21: 6,179,439 km (0.075 R)
• M22: 6,641,547 km (0.098 R)
• M23: 6,677,451 km (0.111 R)
• M24: 7,825,315 km (0.043 R)
• M25: 8,363,419 km (0.079 R)
• M26: 8,597,689 km (0.066 R)
• M27: 8,715,572 km (0.077 R)
• M28: 8,755,066 km (0.099 R)
• M29: 9,152,697 km (0.117 R)
• M30: 9,434,390 km (0.114 R)
• M31: 10,843,153 km (0.099 R)
• M32: 10,928,124 km (0.099 R)
• M33: 11,745,527 km (0.117 R)
• M34: 12,404,805 km (0.08 R)
• M35: 13,529,781 km (0.039 R)
• M36: 13,575,558 km (0.076 R)
• M37: 14,127,574 km (0.052 R)
• M38: 14,173,949 km (0.06 R)
• M39: 14,266,850 km (0.097 R)
• M40: 14,313,225 km (0.072 R)
• M41: 14,499,774 km (0.102 R)
• M42: 14,640,096 km (0.044 R)
• M43: 15,923,796 km (0.098 R)
• M44: 16,652,487 km (0.105 R)
• M45: 17,045,481 km (0.119 R)
• M46: 17,243,099 km (0.073 R)
• M47: 17,740,512 km (0.099 R)
• M48: 17,790,478 km (0.112 R)
• M49: 19,673,466 km (0.091 R)
• M50: 20,140,810 km (0.072 R)
• M51: 20,349,798 km (0.111 R)
• M52: 21,618,538 km (0.091 R)
• M53: 21,671,944 km (0.113 R)
• M54: 22,316,412 km (0.117 R)
• M55: 22,586,735 km (0.116 R)
• M56: 22,695,194 km (0.098 R)
• M57: 22,749,498 km (0.093 R)
• M58: 22,967,013 km (0.038 R)
• M59: 23,514,093 km (0.05 R)
• M60: 23,899,457 km (0.105 R)
• M61: 24,732,418 km (0.053 R)
• M62: 25,744,597 km (0.044 R)
• M63: 26,255,623 km (0.117 R)
• M64: 27,172,508 km (0.101 R)
• M65: 28,626,001 km (0.082 R)
• M66: 28,684,644 km (0.12 R)
• M67: 30,522,902 km (0.101 R)
• M68: 30,582,891 km (0.085 R)
• M69: 31,184,275 km (0.089 R)
• M70: 31,911,320 km (0.056 R)
• M71: 32,399,009 km (0.078 R)
• M72: 32,643,751 km (0.079 R)
• M73: 32,705,086 km (0.053 R)
• M74: 32,827,757 km (0.104 R)
• M75: 34,063,136 km (0.098 R)
• M76: 34,374,300 km (0.051 R)
• M77: 34,436,682 km (0.061 R)
• M78: 36,515,494 km (0.101 R)
• M79: 37,345,463 km (0.08 R)
• M80: 37,602,023 km (0.055 R)
• M81: 37,988,135 km (0.074 R)
• M82: 38,310,818 km (0.107 R)
• M83: 38,375,444 km (0.11 R)
• M84: 40,529,354 km (0.1 R)
• M85: 41,189,679 km (0.059 R)
• M86: 42,053,457 km (0.076 R)
• M87: 42,186,899 km (0.109 R)
• M88: 43,259,366 km (0.082 R)
• M89: 43,731,497 km (0.118 R)
• M90: 43,934,202 km (0.086 R)
• M91: 44,001,970 km (0.111 R)
• M92: 45,431,078 km (0.074 R)
• M93: 45,773,657 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515.5

Radius: 4.2

Gravity: 29.22 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.21 AU - 7.49 AU

Year: 11955 Days

Day: 21.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 47,523,688 km

• M1: 430,094 km (0.079 R)
• M2: 459,565 km (0.113 R)
• M3: 520,601 km (0.103 R)
• M4: 617,241 km (0.118 R)
• M5: 846,574 km (0.099 R)
• M6: 1,100,442 km (0.113 R)
• M7: 1,162,375 km (0.039 R)
• M8: 1,557,314 km (0.067 R)
• M9: 1,674,000 km (0.115 R)
• M10: 1,721,423 km (0.069 R)
• M11: 1,990,549 km (0.096 R)
• M12: 2,168,571 km (0.077 R)
• M13: 2,649,677 km (0.07 R)
• M14: 3,104,156 km (0.112 R)
• M15: 3,310,601 km (0.102 R)
• M16: 3,370,290 km (0.095 R)
• M17: 3,430,429 km (0.041 R)
• M18: 3,460,648 km (0.112 R)
• M19: 3,705,539 km (0.085 R)
• M20: 3,924,401 km (0.042 R)
• M21: 4,083,274 km (0.079 R)
• M22: 4,276,704 km (0.097 R)
• M23: 4,473,276 km (0.11 R)
• M24: 5,149,308 km (0.096 R)
• M25: 5,288,285 km (0.113 R)
• M26: 5,499,068 km (0.087 R)
• M27: 5,605,582 km (0.113 R)
• M28: 5,676,940 km (0.09 R)
• M29: 5,748,597 km (0.116 R)
• M30: 6,935,208 km (0.073 R)
• M31: 6,973,505 km (0.094 R)
• M32: 7,674,371 km (0.094 R)
• M33: 7,833,094 km (0.109 R)
• M34: 8,725,745 km (0.053 R)
• M35: 9,607,325 km (0.066 R)
• M36: 9,821,399 km (0.1 R)
• M37: 10,781,967 km (0.078 R)
• M38: 11,093,729 km (0.066 R)
• M39: 11,273,396 km (0.111 R)
• M40: 11,363,454 km (0.039 R)
• M41: 11,680,751 km (0.057 R)
• M42: 12,743,794 km (0.048 R)
• M43: 14,566,793 km (0.098 R)
• M44: 14,960,834 km (0.082 R)
• M45: 15,558,478 km (0.047 R)
• M46: 15,910,631 km (0.105 R)
• M47: 16,931,337 km (0.097 R)
• M48: 17,606,173 km (0.116 R)
• M49: 17,763,102 km (0.058 R)
• M50: 18,078,454 km (0.066 R)
• M51: 19,682,592 km (0.085 R)
• M52: 19,845,504 km (0.037 R)
• M53: 20,336,933 km (0.089 R)
• M54: 20,501,491 km (0.086 R)
• M55: 21,331,609 km (0.113 R)
• M56: 21,387,409 km (0.096 R)
• M57: 22,172,648 km (0.03 R)
• M58: 22,455,388 km (0.099 R)
• M59: 23,483,126 km (0.111 R)
• M60: 23,598,316 km (0.094 R)
• M61: 23,771,401 km (0.117 R)
• M62: 25,347,714 km (0.036 R)
• M63: 25,465,896 km (0.051 R)
• M64: 25,761,950 km (0.091 R)
• M65: 27,078,262 km (0.1 R)
• M66: 27,319,862 km (0.094 R)
• M67: 28,661,755 km (0.091 R)
• M68: 29,278,846 km (0.083 R)
• M69: 29,526,880 km (0.099 R)
• M70: 29,713,279 km (0.115 R)
• M71: 29,775,511 km (0.078 R)
• M72: 29,900,126 km (0.082 R)
• M73: 31,409,120 km (0.119 R)
• M74: 31,853,875 km (0.079 R)
• M75: 35,817,021 km (0.081 R)
• M76: 36,281,672 km (0.109 R)
• M77: 36,881,859 km (0.115 R)
• M78: 37,418,317 km (0.049 R)
• M79: 37,619,975 km (0.113 R)
• M80: 38,024,787 km (0.11 R)
• M81: 38,430,795 km (0.082 R)
• M82: 39,452,399 km (0.071 R)
• M83: 41,452,672 km (0.106 R)
• M84: 41,591,798 km (0.105 R)
• M85: 42,080,086 km (0.092 R)
• M86: 42,359,983 km (0.103 R)
• M87: 42,851,263 km (0.116 R)
• M88: 43,910,266 km (0.12 R)
• M89: 44,621,155 km (0.046 R)
• M90: 44,906,588 km (0.07 R)
• M91: 45,766,327 km (0.099 R)
• M92: 46,126,259 km (0.055 R)
• M93: 47,283,997 km (0.119 R)
• M94: 47,866,531 km (0.093 R)
• M95: 48,598,065 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.8

Radius: 6.3

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 9.38 AU - 11.3 AU

Year: 22172 Days

Day: 16.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 47,523,688 km

• M1: 112,348 km (0.118 R)
• M2: 202,556 km (0.119 R)
• M3: 243,845 km (0.089 R)
• M4: 288,873 km (0.037 R)
• M5: 673,789 km (0.075 R)
• M6: 882,777 km (0.095 R)
• M7: 1,172,099 km (0.106 R)
• M8: 1,295,817 km (0.038 R)
• M9: 2,484,222 km (0.104 R)
• M10: 4,482,102 km (0.12 R)
• M11: 4,611,654 km (0.106 R)
• M12: 5,311,772 km (0.07 R)
• M13: 5,831,923 km (0.086 R)
• M14: 6,116,159 km (0.091 R)
• M15: 6,441,086 km (0.088 R)
• M16: 6,734,747 km (0.112 R)
• M17: 7,874,383 km (0.049 R)
• M18: 8,109,401 km (0.098 R)
• M19: 8,188,389 km (0.113 R)
• M20: 8,227,883 km (0.081 R)
• M21: 8,626,711 km (0.071 R)
• M22: 10,497,881 km (0.108 R)
• M23: 13,177,478 km (0.104 R)
• M24: 13,737,423 km (0.09 R)
• M25: 13,973,189 km (0.1 R)
• M26: 15,659,606 km (0.109 R)
• M27: 16,202,945 km (0.053 R)
• M28: 16,352,094 km (0.092 R)
• M29: 16,852,799 km (0.029 R)
• M30: 17,307,726 km (0.083 R)
• M31: 17,818,004 km (0.051 R)
• M32: 18,957,790 km (0.115 R)
• M33: 20,442,250 km (0.111 R)
• M34: 20,873,241 km (0.103 R)
• M35: 21,144,163 km (0.12 R)
• M36: 22,961,029 km (0.079 R)
• M37: 27,449,564 km (0.082 R)
• M38: 28,283,123 km (0.107 R)
• M39: 30,956,587 km (0.08 R)
• M40: 31,018,371 km (0.116 R)
• M41: 33,203,397 km (0.075 R)
• M42: 33,582,927 km (0.056 R)
• M43: 33,900,224 km (0.058 R)
• M44: 34,730,043 km (0.093 R)
• M45: 34,986,753 km (0.109 R)
• M46: 36,735,702 km (0.109 R)
• M47: 36,801,076 km (0.116 R)
• M48: 37,719,607 km (0.07 R)
• M49: 39,646,278 km (0.083 R)
• M50: 40,655,465 km (0.099 R)
• M51: 41,604,813 km (0.102 R)
• M52: 41,672,880 km (0.102 R)
• M53: 42,013,964 km (0.109 R)
• M54: 42,698,823 km (0.083 R)
• M55: 42,836,153 km (0.12 R)
• M56: 42,973,784 km (0.051 R)
• M57: 44,079,461 km (0.107 R)
• M58: 46,884,571 km (0.074 R)
• M59: 46,955,480 km (0.081 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 15,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit