🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.8

Radius: 10.2

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.92 AU - 1 AU

Year: 661 Days

Day: 11.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 91,334,330 km

• M1: 127,308 km (0.028 R)
• M2: 190,887 km (0.069 R)
• M3: 295,456 km (0.095 R)
• M4: 362,027 km (0.086 R)
• M5: 431,291 km (0.074 R)
• M6: 501,751 km (0.08 R)
• M7: 569,669 km (0.109 R)
• M8: 756,516 km (0.105 R)
• M9: 882,179 km (0.119 R)
• M10: 1,051,823 km (0.081 R)
• M11: 1,120,338 km (0.112 R)
• M12: 1,222,963 km (0.104 R)
• M13: 1,315,264 km (0.071 R)
• M14: 1,510,938 km (0.116 R)
• M15: 1,585,588 km (0.119 R)
• M16: 1,668,615 km (0.099 R)
• M17: 1,745,957 km (0.077 R)
• M18: 1,816,866 km (0.095 R)
• M19: 1,884,933 km (0.102 R)
• M20: 1,961,826 km (0.091 R)
• M21: 2,039,617 km (0.102 R)
• M22: 2,110,676 km (0.09 R)
• M23: 2,194,451 km (0.12 R)
• M24: 2,299,918 km (0.117 R)
• M25: 2,365,741 km (0.084 R)
• M26: 2,453,106 km (0.119 R)
• M27: 2,520,275 km (0.118 R)
• M28: 2,592,531 km (0.059 R)
• M29: 2,721,484 km (0.101 R)
• M30: 2,865,996 km (0.107 R)
• M31: 3,013,051 km (0.078 R)
• M32: 3,103,557 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.3

Radius: 10.1

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.22 AU - 1.48 AU

Year: 1103 Days

Day: 6.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 91,334,330 km

• M1: 134,189 km (0.088 R)
• M2: 224,696 km (0.072 R)
• M3: 296,503 km (0.068 R)
• M4: 360,830 km (0.12 R)
• M5: 560,842 km (0.093 R)
• M6: 659,128 km (0.113 R)
• M7: 777,460 km (0.102 R)
• M8: 1,044,193 km (0.047 R)
• M9: 1,144,873 km (0.093 R)
• M10: 1,306,588 km (0.099 R)
• M11: 1,572,274 km (0.054 R)
• M12: 1,661,733 km (0.043 R)
• M13: 1,725,462 km (0.091 R)
• M14: 1,836,613 km (0.117 R)
• M15: 1,979,030 km (0.113 R)
• M16: 2,284,958 km (0.029 R)
• M17: 2,595,673 km (0.066 R)
• M18: 2,745,420 km (0.035 R)
• M19: 2,821,266 km (0.095 R)
• M20: 2,898,010 km (0.098 R)
• M21: 2,986,422 km (0.061 R)
• M22: 3,326,309 km (0.085 R)
• M23: 3,395,872 km (0.088 R)
• M24: 3,548,162 km (0.103 R)
• M25: 3,654,826 km (0.106 R)
• M26: 3,786,920 km (0.108 R)
• M27: 3,895,977 km (0.072 R)
• M28: 4,043,182 km (0.051 R)
• M29: 4,129,948 km (0.088 R)
• M30: 4,204,747 km (0.111 R)
• M31: 4,317,993 km (0.09 R)
• M32: 4,406,704 km (0.117 R)
• M33: 4,702,459 km (0.034 R)
• M34: 4,859,388 km (0.057 R)
• M35: 5,151,552 km (0.066 R)
• M36: 5,655,996 km (0.096 R)
• M37: 5,837,010 km (0.076 R)
• M38: 5,921,084 km (0.107 R)
• M39: 6,104,940 km (0.056 R)
• M40: 6,377,058 km (0.08 R)
• M41: 6,551,040 km (0.119 R)
• M42: 6,726,519 km (0.092 R)
• M43: 6,829,592 km (0.103 R)
• M44: 6,918,303 km (0.09 R)
• M45: 7,022,423 km (0.095 R)
• M46: 7,232,159 km (0.056 R)
• M47: 7,734,808 km (0.038 R)
• M48: 7,920,459 km (0.109 R)
• M49: 7,998,101 km (0.089 R)
• M50: 8,123,164 km (0.1 R)
• M51: 8,359,230 km (0.085 R)
• M52: 8,454,224 km (0.112 R)
• M53: 8,549,668 km (0.086 R)
• M54: 8,661,418 km (0.067 R)
• M55: 8,967,345 km (0.101 R)
• M56: 9,162,421 km (0.114 R)
• M57: 9,244,101 km (0.088 R)
• M58: 9,507,094 km (0.11 R)
• M59: 9,939,731 km (0.072 R)
• M60: 10,107,879 km (0.096 R)
• M61: 10,260,020 km (0.1 R)
• M62: 10,498,180 km (0.051 R)
• M63: 10,600,954 km (0.098 R)
• M64: 10,669,470 km (0.114 R)
• M65: 10,772,692 km (0.057 R)
• M66: 10,841,657 km (0.092 R)
• M67: 11,206,227 km (0.118 R)
• M68: 11,346,251 km (0.045 R)
• M69: 11,787,415 km (0.101 R)
• M70: 12,036,944 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695

Radius: 10.8

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.24 AU - 3.8 AU

Year: 4642 Days

Day: 14.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 91,334,330 km

• M1: 234,569 km (0.097 R)
• M2: 372,947 km (0.083 R)
• M3: 546,182 km (0.062 R)
• M4: 760,406 km (0.066 R)
• M5: 834,008 km (0.09 R)
• M6: 1,016,069 km (0.029 R)
• M7: 1,112,260 km (0.072 R)
• M8: 1,211,593 km (0.051 R)
• M9: 1,299,407 km (0.101 R)
• M10: 1,497,026 km (0.102 R)
• M11: 1,754,185 km (0.036 R)
• M12: 1,871,320 km (0.03 R)
• M13: 2,628,435 km (0.069 R)
• M14: 2,880,507 km (0.086 R)
• M15: 2,959,794 km (0.076 R)
• M16: 3,366,999 km (0.087 R)
• M17: 4,033,009 km (0.108 R)
• M18: 4,234,069 km (0.04 R)
• M19: 4,370,053 km (0.09 R)
• M20: 4,461,457 km (0.089 R)
• M21: 4,951,989 km (0.118 R)
• M22: 5,264,199 km (0.053 R)
• M23: 5,908,069 km (0.054 R)
• M24: 6,291,039 km (0.105 R)
• M25: 6,446,471 km (0.096 R)
• M26: 6,681,938 km (0.085 R)
• M27: 7,188,626 km (0.062 R)
• M28: 7,652,380 km (0.118 R)
• M29: 8,041,634 km (0.085 R)
• M30: 8,126,007 km (0.094 R)
• M31: 8,380,473 km (0.099 R)
• M32: 8,666,504 km (0.12 R)
• M33: 8,897,633 km (0.034 R)
• M34: 9,189,348 km (0.114 R)
• M35: 9,513,976 km (0.09 R)
• M36: 9,902,481 km (0.069 R)
• M37: 10,387,777 km (0.086 R)
• M38: 10,943,084 km (0.116 R)
• M39: 11,099,115 km (0.112 R)
• M40: 11,508,115 km (0.084 R)
• M41: 11,603,110 km (0.032 R)
• M42: 12,050,408 km (0.113 R)
• M43: 12,731,826 km (0.03 R)
• M44: 13,292,668 km (0.101 R)
• M45: 13,592,911 km (0.114 R)
• M46: 13,929,058 km (0.1 R)
• M47: 14,302,005 km (0.104 R)
• M48: 14,404,330 km (0.117 R)
• M49: 14,575,321 km (0.074 R)
• M50: 14,815,874 km (0.11 R)
• M51: 15,161,894 km (0.119 R)
• M52: 16,358,078 km (0.114 R)
• M53: 16,643,960 km (0.101 R)
• M54: 18,024,449 km (0.119 R)
• M55: 18,505,107 km (0.12 R)
• M56: 18,952,554 km (0.091 R)
• M57: 19,140,000 km (0.113 R)
• M58: 19,328,194 km (0.118 R)
• M59: 19,668,230 km (0.111 R)
• M60: 20,086,805 km (0.084 R)
• M61: 20,816,394 km (0.042 R)
• M62: 20,893,736 km (0.041 R)
• M63: 21,593,854 km (0.105 R)
• M64: 21,789,827 km (0.073 R)
• M65: 22,539,462 km (0.111 R)
• M66: 23,498,385 km (0.119 R)
• M67: 24,064,014 km (0.113 R)
• M68: 24,185,787 km (0.117 R)
• M69: 24,389,240 km (0.101 R)
• M70: 25,745,943 km (0.04 R)
• M71: 25,870,558 km (0.091 R)
• M72: 26,538,363 km (0.11 R)
• M73: 27,127,180 km (0.106 R)
• M74: 27,254,039 km (0.093 R)
• M75: 27,508,056 km (0.112 R)
• M76: 27,805,607 km (0.06 R)
• M77: 27,890,728 km (0.104 R)
• M78: 28,232,409 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.5

Radius: 11

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.97 AU - 6.51 AU

Year: 8432 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 91,334,330 km

• M1: 156,479 km (0.059 R)
• M2: 426,354 km (0.113 R)
• M3: 625,170 km (0.09 R)
• M4: 736,770 km (0.116 R)
• M5: 831,315 km (0.075 R)
• M6: 930,499 km (0.052 R)
• M7: 1,518,119 km (0.051 R)
• M8: 1,626,129 km (0.104 R)
• M9: 2,257,581 km (0.075 R)
• M10: 2,435,753 km (0.11 R)
• M11: 2,901,451 km (0.067 R)
• M12: 3,274,249 km (0.059 R)
• M13: 4,151,790 km (0.113 R)
• M14: 4,260,996 km (0.099 R)
• M15: 4,504,691 km (0.034 R)
• M16: 5,028,882 km (0.105 R)
• M17: 5,263,003 km (0.119 R)
• M18: 5,524,649 km (0.12 R)
• M19: 5,962,074 km (0.102 R)
• M20: 6,110,325 km (0.091 R)
• M21: 6,284,906 km (0.062 R)
• M22: 7,740,343 km (0.061 R)
• M23: 8,229,678 km (0.09 R)
• M24: 8,394,984 km (0.072 R)
• M25: 8,645,111 km (0.081 R)
• M26: 9,124,273 km (0.118 R)
• M27: 9,438,878 km (0.117 R)
• M28: 9,525,345 km (0.084 R)
• M29: 9,728,050 km (0.092 R)
• M30: 10,137,799 km (0.043 R)
• M31: 10,255,981 km (0.045 R)
• M32: 10,944,131 km (0.034 R)
• M33: 11,034,937 km (0.093 R)
• M34: 11,801,926 km (0.072 R)
• M35: 12,270,317 km (0.038 R)
• M36: 12,364,713 km (0.067 R)
• M37: 12,522,688 km (0.095 R)
• M38: 13,064,681 km (0.119 R)
• M39: 13,322,289 km (0.116 R)
• M40: 14,635,908 km (0.116 R)
• M41: 14,736,138 km (0.09 R)
• M42: 15,921,701 km (0.119 R)
• M43: 16,024,774 km (0.117 R)
• M44: 16,128,146 km (0.107 R)
• M45: 16,612,993 km (0.093 R)
• M46: 16,787,275 km (0.084 R)
• M47: 16,997,310 km (0.089 R)
• M48: 17,314,009 km (0.098 R)
• M49: 17,526,288 km (0.045 R)
• M50: 17,988,994 km (0.114 R)
• M51: 18,926,524 km (0.107 R)
• M52: 19,218,240 km (0.118 R)
• M53: 20,028,163 km (0.071 R)
• M54: 20,511,813 km (0.117 R)
• M55: 20,624,011 km (0.109 R)
• M56: 20,811,457 km (0.119 R)
• M57: 21,415,085 km (0.119 R)
• M58: 21,528,929 km (0.092 R)
• M59: 22,485,308 km (0.062 R)
• M60: 23,886,741 km (0.105 R)
• M61: 24,677,515 km (0.108 R)
• M62: 24,836,687 km (0.075 R)
• M63: 24,996,159 km (0.111 R)
• M64: 25,758,509 km (0.085 R)
• M65: 27,018,871 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.4

Radius: 6.2

Gravity: 25.74 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.52 AU - 10.58 AU

Year: 20745 Days

Day: 20.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 91,334,330 km

• M1: 79,885 km (0.058 R)
• M2: 345,122 km (0.041 R)
• M3: 384,317 km (0.074 R)
• M4: 917,633 km (0.07 R)
• M5: 1,244,056 km (0.098 R)
• M6: 1,403,677 km (0.112 R)
• M7: 1,638,545 km (0.12 R)
• M8: 1,778,270 km (0.087 R)
• M9: 2,454,602 km (0.075 R)
• M10: 3,555,941 km (0.118 R)
• M11: 3,646,299 km (0.039 R)
• M12: 3,875,632 km (0.086 R)
• M13: 3,922,007 km (0.076 R)
• M14: 4,015,506 km (0.083 R)
• M15: 4,156,876 km (0.092 R)
• M16: 5,039,952 km (0.106 R)
• M17: 5,192,692 km (0.058 R)
• M18: 5,607,377 km (0.086 R)
• M19: 5,871,866 km (0.075 R)
• M20: 5,925,272 km (0.119 R)
• M21: 6,578,716 km (0.083 R)
• M22: 6,914,114 km (0.117 R)
• M23: 7,369,790 km (0.077 R)
• M24: 8,190,483 km (0.06 R)
• M25: 8,978,266 km (0.066 R)
• M26: 9,474,931 km (0.062 R)
• M27: 9,726,704 km (0.051 R)
• M28: 9,980,572 km (0.042 R)
• M29: 10,108,478 km (0.097 R)
• M30: 10,365,636 km (0.067 R)
• M31: 11,018,033 km (0.079 R)
• M32: 12,430,985 km (0.085 R)
• M33: 13,757,619 km (0.065 R)
• M34: 14,618,554 km (0.118 R)
• M35: 15,349,190 km (0.041 R)
• M36: 15,422,792 km (0.115 R)
• M37: 15,644,646 km (0.116 R)
• M38: 17,534,366 km (0.035 R)
• M39: 19,097,066 km (0.097 R)
• M40: 22,772,536 km (0.102 R)
• M41: 24,045,015 km (0.071 R)
• M42: 24,560,380 km (0.111 R)
• M43: 26,128,465 km (0.095 R)
• M44: 26,658,341 km (0.112 R)
• M45: 29,268,823 km (0.086 R)
• M46: 29,451,782 km (0.057 R)
• M47: 30,187,654 km (0.083 R)
• M48: 32,810,553 km (0.087 R)
• M49: 35,310,633 km (0.109 R)
• M50: 37,374,186 km (0.058 R)
• M51: 37,572,702 km (0.056 R)
• M52: 38,270,426 km (0.099 R)
• M53: 39,375,506 km (0.106 R)
• M54: 42,545,784 km (0.111 R)
• M55: 42,856,948 km (0.031 R)
• M56: 43,377,099 km (0.075 R)
• M57: 44,004,214 km (0.104 R)
• M58: 44,213,800 km (0.082 R)
• M59: 46,009,424 km (0.067 R)
• M60: 46,435,329 km (0.049 R)
• M61: 47,076,804 km (0.097 R)
• M62: 49,999,049 km (0.116 R)
• M63: 51,758,320 km (0.118 R)
• M64: 52,201,279 km (0.073 R)
• M65: 52,312,281 km (0.077 R)
• M66: 52,756,886 km (0.101 R)
• M67: 52,868,187 km (0.097 R)
• M68: 54,322,577 km (0.062 R)
• M69: 54,998,311 km (0.041 R)
• M70: 55,450,396 km (0.054 R)
• M71: 57,499,737 km (0.06 R)
• M72: 58,648,948 km (0.118 R)
• M73: 60,503,363 km (0.054 R)
• M74: 61,906,740 km (0.097 R)
• M75: 62,376,927 km (0.109 R)
• M76: 62,730,277 km (0.08 R)
• M77: 65,342,405 km (0.118 R)
• M78: 66,661,559 km (0.058 R)
• M79: 67,022,988 km (0.051 R)
• M80: 67,264,139 km (0.096 R)
• M81: 68,839,255 km (0.085 R)
• M82: 69,082,651 km (0.077 R)
• M83: 69,204,573 km (0.113 R)
• M84: 71,163,258 km (0.052 R)
• M85: 73,140,045 km (0.109 R)
• M86: 75,134,932 km (0.083 R)
• M87: 76,139,033 km (0.042 R)
• M88: 78,541,425 km (0.117 R)
• M89: 80,327,624 km (0.075 R)
• M90: 80,712,090 km (0.105 R)
• M91: 80,840,445 km (0.048 R)
• M92: 82,127,137 km (0.087 R)
• M93: 83,680,112 km (0.092 R)
• M94: 87,077,929 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.5

Radius: 6.2

Gravity: 25.87 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.11 AU - 11.65 AU

Year: 21829 Days

Day: 23.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 91,334,330 km

• M1: 599,439 km (0.058 R)
• M2: 919,429 km (0.097 R)
• M3: 1,384,977 km (0.046 R)
• M4: 1,451,997 km (0.112 R)
• M5: 1,695,243 km (0.109 R)
• M6: 2,459,389 km (0.099 R)
• M7: 2,623,647 km (0.042 R)
• M8: 2,962,935 km (0.09 R)
• M9: 3,271,107 km (0.037 R)
• M10: 3,315,986 km (0.082 R)
• M11: 4,013,711 km (0.11 R)
• M12: 4,158,671 km (0.091 R)
• M13: 4,305,277 km (0.116 R)
• M14: 4,960,217 km (0.09 R)
• M15: 5,645,973 km (0.102 R)
• M16: 5,699,978 km (0.096 R)
• M17: 5,808,437 km (0.093 R)
• M18: 6,082,649 km (0.086 R)
• M19: 6,417,150 km (0.107 R)
• M20: 6,530,097 km (0.116 R)
• M21: 7,046,209 km (0.089 R)
• M22: 7,221,089 km (0.09 R)
• M23: 7,397,465 km (0.052 R)
• M24: 7,634,877 km (0.102 R)
• M25: 7,874,832 km (0.089 R)
• M26: 8,056,444 km (0.099 R)
• M27: 8,362,072 km (0.101 R)
• M28: 8,423,707 km (0.12 R)
• M29: 8,485,490 km (0.115 R)
• M30: 8,922,017 km (0.083 R)
• M31: 9,174,688 km (0.056 R)
• M32: 9,622,584 km (0.08 R)
• M33: 10,012,137 km (0.099 R)
• M34: 10,406,925 km (0.067 R)
• M35: 10,672,910 km (0.118 R)
• M36: 11,897,369 km (0.092 R)
• M37: 15,222,331 km (0.049 R)
• M38: 16,287,618 km (0.062 R)
• M39: 16,364,661 km (0.117 R)
• M40: 17,771,479 km (0.087 R)
• M41: 17,850,766 km (0.059 R)
• M42: 18,973,049 km (0.063 R)
• M43: 21,033,311 km (0.118 R)
• M44: 21,453,831 km (0.058 R)
• M45: 22,904,332 km (0.077 R)
• M46: 23,250,202 km (0.112 R)
• M47: 23,859,664 km (0.106 R)
• M48: 25,808,924 km (0.03 R)
• M49: 25,988,591 km (0.097 R)
• M50: 26,349,271 km (0.112 R)
• M51: 26,620,941 km (0.07 R)
• M52: 26,984,614 km (0.112 R)
• M53: 27,349,782 km (0.077 R)
• M54: 27,808,748 km (0.042 R)
• M55: 28,177,657 km (0.08 R)
• M56: 28,920,410 km (0.11 R)
• M57: 29,107,108 km (0.048 R)
• M58: 29,481,552 km (0.12 R)
• M59: 29,952,037 km (0.085 R)
• M60: 30,805,194 km (0.07 R)
• M61: 33,118,874 km (0.101 R)
• M62: 33,314,099 km (0.039 R)
• M63: 34,890,412 km (0.09 R)
• M64: 36,088,542 km (0.106 R)
• M65: 36,591,789 km (0.063 R)
• M66: 37,300,135 km (0.105 R)
• M67: 38,115,144 km (0.093 R)
• M68: 40,909,183 km (0.035 R)
• M69: 41,855,091 km (0.06 R)
• M70: 43,768,298 km (0.078 R)
• M71: 50,124,263 km (0.091 R)
• M72: 51,474,832 km (0.097 R)
• M73: 52,837,370 km (0.046 R)
• M74: 53,522,977 km (0.09 R)
• M75: 53,866,902 km (0.091 R)
• M76: 54,787,677 km (0.053 R)
• M77: 55,365,873 km (0.047 R)
• M78: 56,178,638 km (0.094 R)
• M79: 56,761,621 km (0.114 R)
• M80: 59,231,931 km (0.085 R)
• M81: 59,706,455 km (0.096 R)
• M82: 60,539,865 km (0.049 R)
• M83: 61,857,224 km (0.097 R)
• M84: 67,715,476 km (0.111 R)
• M85: 67,963,360 km (0.104 R)
• M86: 68,211,543 km (0.071 R)
• M87: 68,460,174 km (0.099 R)
• M88: 72,730,745 km (0.108 R)
• M89: 75,026,175 km (0.049 R)
• M90: 75,796,753 km (0.218 R)
• M91: 76,440,772 km (0.094 R)
• M92: 76,698,828 km (0.058 R)
• M93: 77,086,586 km (0.184 R)
• M94: 79,165,548 km (0.09 R)
• M95: 79,426,745 km (0.09 R)
• M96: 83,378,373 km (0.066 R)
• M97: 85,110,567 km (0.115 R)
• M98: 88,068,865 km (0.173 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: 441 - 18,153 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit