🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.9

Radius: 13.9

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.89 AU - 4.01 AU

Year: 5419 Days

Day: 9.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 45,127,260 km

• M1: 194,776 km (0.089 R)
• M2: 311,912 km (0.042 R)
• M3: 529,876 km (0.086 R)
• M4: 661,821 km (0.095 R)
• M5: 987,496 km (0.098 R)
• M6: 1,099,544 km (0.066 R)
• M7: 1,276,519 km (0.055 R)
• M8: 1,436,140 km (0.048 R)
• M9: 1,679,087 km (0.061 R)
• M10: 2,058,766 km (0.077 R)
• M11: 2,226,914 km (0.058 R)
• M12: 2,367,087 km (0.082 R)
• M13: 2,488,112 km (0.089 R)
• M14: 3,318,978 km (0.116 R)
• M15: 3,797,243 km (0.03 R)
• M16: 4,005,333 km (0.092 R)
• M17: 4,110,800 km (0.08 R)
• M18: 4,311,111 km (0.096 R)
• M19: 4,432,884 km (0.097 R)
• M20: 4,638,581 km (0.099 R)
• M21: 4,805,233 km (0.087 R)
• M22: 4,917,581 km (0.11 R)
• M23: 5,045,039 km (0.066 R)
• M24: 5,346,628 km (0.114 R)
• M25: 5,609,920 km (0.049 R)
• M26: 5,698,632 km (0.078 R)
• M27: 5,832,522 km (0.057 R)
• M28: 5,937,539 km (0.106 R)
• M29: 6,088,633 km (0.066 R)
• M30: 6,611,777 km (0.06 R)
• M31: 6,942,089 km (0.103 R)
• M32: 7,294,093 km (0.116 R)
• M33: 7,521,183 km (0.112 R)
• M34: 8,049,113 km (0.062 R)
• M35: 8,166,249 km (0.094 R)
• M36: 8,317,642 km (0.042 R)
• M37: 8,691,636 km (0.08 R)
• M38: 9,001,902 km (0.06 R)
• M39: 9,580,098 km (0.104 R)
• M40: 9,846,831 km (0.108 R)
• M41: 10,134,209 km (0.08 R)
• M42: 10,552,185 km (0.098 R)
• M43: 10,772,393 km (0.095 R)
• M44: 11,124,397 km (0.114 R)
• M45: 11,273,696 km (0.101 R)
• M46: 11,536,689 km (0.118 R)
• M47: 11,915,919 km (0.045 R)
• M48: 12,511,768 km (0.091 R)
• M49: 12,784,036 km (0.119 R)
• M50: 12,979,859 km (0.062 R)

Planet 2 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.2

Radius: 7.8

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.72 AU - 8.24 AU

Year: 12729 Days

Day: 19.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 45,127,260 km

• M1: 151,393 km (0.041 R)
• M2: 250,876 km (0.081 R)
• M3: 405,859 km (0.058 R)
• M4: 624,272 km (0.114 R)
• M5: 688,749 km (0.04 R)
• M6: 1,008,140 km (0.081 R)
• M7: 1,499,868 km (0.032 R)
• M8: 1,817,614 km (0.106 R)
• M9: 1,960,330 km (0.065 R)
• M10: 2,033,035 km (0.056 R)
• M11: 2,514,740 km (0.08 R)
• M12: 2,700,990 km (0.079 R)
• M13: 2,836,824 km (0.106 R)
• M14: 3,549,658 km (0.109 R)
• M15: 3,698,658 km (0.097 R)
• M16: 3,789,164 km (0.115 R)
• M17: 4,064,724 km (0.091 R)
• M18: 4,410,594 km (0.108 R)
• M19: 4,538,799 km (0.047 R)
• M20: 4,798,651 km (0.093 R)
• M21: 4,996,868 km (0.091 R)
• M22: 5,886,527 km (0.106 R)
• M23: 5,992,292 km (0.1 R)
• M24: 6,134,410 km (0.042 R)
• M25: 6,567,197 km (0.115 R)
• M26: 7,047,256 km (0.107 R)
• M27: 7,122,205 km (0.105 R)
• M28: 7,615,280 km (0.025 R)
• M29: 7,963,095 km (0.084 R)
• M30: 8,041,185 km (0.063 R)
• M31: 8,316,146 km (0.04 R)
• M32: 8,435,076 km (0.12 R)
• M33: 8,835,250 km (0.085 R)
• M34: 8,996,966 km (0.063 R)
• M35: 10,241,620 km (0.104 R)
• M36: 10,625,488 km (0.093 R)
• M37: 10,927,376 km (0.1 R)
• M38: 11,188,425 km (0.105 R)
• M39: 11,451,418 km (0.099 R)
• M40: 11,627,943 km (0.118 R)
• M41: 11,760,786 km (0.097 R)
• M42: 12,569,213 km (0.107 R)
• M43: 12,796,901 km (0.112 R)
• M44: 12,888,455 km (0.085 R)
• M45: 13,302,691 km (0.087 R)
• M46: 14,811,087 km (0.104 R)
• M47: 15,051,640 km (0.057 R)
• M48: 15,245,070 km (0.085 R)
• M49: 15,634,324 km (0.04 R)
• M50: 15,977,501 km (0.077 R)
• M51: 16,026,719 km (0.083 R)
• M52: 16,174,821 km (0.077 R)
• M53: 16,372,889 km (0.097 R)
• M54: 16,821,533 km (0.066 R)
• M55: 17,527,485 km (0.095 R)
• M56: 19,491,705 km (0.092 R)
• M57: 19,808,254 km (0.08 R)
• M58: 20,020,234 km (0.09 R)
• M59: 20,232,962 km (0.093 R)
• M60: 20,821,780 km (0.056 R)
• M61: 22,235,779 km (0.113 R)
• M62: 22,511,188 km (0.085 R)
• M63: 22,566,390 km (0.12 R)
• M64: 23,568,247 km (0.069 R)
• M65: 23,680,445 km (0.118 R)
• M66: 24,187,582 km (0.114 R)
• M67: 24,470,920 km (0.081 R)
• M68: 25,442,409 km (0.104 R)
• M69: 25,672,790 km (0.119 R)
• M70: 28,252,755 km (0.092 R)
• M71: 31,963,380 km (0.083 R)
• M72: 32,461,242 km (0.116 R)
• M73: 33,591,005 km (0.114 R)
• M74: 33,717,266 km (0.103 R)
• M75: 33,843,825 km (0.073 R)
• M76: 34,605,877 km (0.117 R)
• M77: 35,373,763 km (0.093 R)
• M78: 35,759,725 km (0.088 R)
• M79: 36,860,915 km (0.109 R)
• M80: 36,991,215 km (0.113 R)
• M81: 38,632,753 km (0.116 R)
• M82: 39,096,656 km (0.08 R)
• M83: 40,365,096 km (0.1 R)
• M84: 41,105,605 km (0.067 R)
• M85: 41,579,083 km (0.102 R)
• M86: 43,079,250 km (0.049 R)
• M87: 43,629,022 km (0.108 R)
• M88: 43,835,916 km (0.075 R)
• M89: 45,362,413 km (0.073 R)
• M90: 46,413,188 km (0.031 R)
• M91: 46,976,873 km (0.084 R)
• M92: 47,118,093 km (0.092 R)
• M93: 47,188,853 km (0.047 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.9

Radius: 5.1

Gravity: 37.02 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.42 AU - 7.54 AU

Year: 12729 Days

Day: 21 Hours

Environment

Temp: -238 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 45,127,260 km

• M1: 126,410 km (0.104 R)
• M2: 664,813 km (0.11 R)
• M3: 898,335 km (0.116 R)
• M4: 1,357,451 km (0.057 R)
• M5: 1,462,319 km (0.114 R)
• M6: 2,115,763 km (0.112 R)
• M7: 3,050,600 km (0.109 R)
• M8: 3,119,265 km (0.105 R)
• M9: 4,247,682 km (0.091 R)
• M10: 4,324,426 km (0.12 R)
• M11: 4,636,188 km (0.116 R)
• M12: 5,322,393 km (0.109 R)
• M13: 5,953,995 km (0.093 R)
• M14: 6,564,504 km (0.071 R)
• M15: 6,608,935 km (0.114 R)
• M16: 6,653,365 km (0.118 R)
• M17: 7,424,692 km (0.117 R)
• M18: 7,656,868 km (0.117 R)
• M19: 7,938,710 km (0.083 R)
• M20: 8,223,844 km (0.116 R)
• M21: 8,609,357 km (0.098 R)
• M22: 9,149,107 km (0.104 R)
• M23: 9,348,072 km (0.079 R)
• M24: 9,498,118 km (0.1 R)
• M25: 9,902,481 km (0.09 R)
• M26: 10,363,991 km (0.093 R)
• M27: 11,201,739 km (0.112 R)
• M28: 11,361,360 km (0.098 R)
• M29: 11,898,416 km (0.067 R)
• M30: 12,061,179 km (0.077 R)
• M31: 12,443,700 km (0.098 R)
• M32: 13,671,899 km (0.084 R)
• M33: 15,231,158 km (0.102 R)
• M34: 15,466,924 km (0.104 R)
• M35: 16,906,803 km (0.081 R)
• M36: 17,766,243 km (0.091 R)
• M37: 19,145,236 km (0.107 R)
• M38: 19,208,815 km (0.115 R)
• M39: 20,105,206 km (0.094 R)
• M40: 20,753,713 km (0.1 R)
• M41: 20,949,686 km (0.038 R)
• M42: 21,541,046 km (0.084 R)
• M43: 21,805,685 km (0.116 R)
• M44: 22,807,542 km (0.084 R)
• M45: 23,144,735 km (0.075 R)
• M46: 23,551,642 km (0.112 R)
• M47: 23,687,925 km (0.091 R)
• M48: 23,824,209 km (0.116 R)
• M49: 24,510,265 km (0.119 R)
• M50: 24,648,344 km (0.117 R)
• M51: 25,411,891 km (0.051 R)
• M52: 26,253,678 km (0.112 R)
• M53: 27,033,233 km (0.051 R)
• M54: 27,964,480 km (0.078 R)
• M55: 28,036,586 km (0.065 R)
• M56: 30,005,593 km (0.051 R)
• M57: 30,374,950 km (0.074 R)
• M58: 30,523,202 km (0.057 R)
• M59: 30,969,302 km (0.094 R)
• M60: 31,417,647 km (0.088 R)
• M61: 31,642,493 km (0.077 R)
• M62: 32,471,863 km (0.073 R)
• M63: 33,690,936 km (0.089 R)
• M64: 35,547,446 km (0.054 R)
• M65: 36,016,735 km (0.066 R)
• M66: 36,252,202 km (0.049 R)
• M67: 36,488,117 km (0.113 R)
• M68: 38,153,740 km (0.057 R)
• M69: 38,714,583 km (0.083 R)
• M70: 40,168,973 km (0.058 R)
• M71: 40,657,709 km (0.119 R)
• M72: 42,881,332 km (0.105 R)
• M73: 43,297,513 km (0.084 R)
• M74: 43,464,315 km (0.105 R)
• M75: 43,547,791 km (0.096 R)
• M76: 43,631,266 km (0.081 R)
• M77: 44,133,616 km (0.073 R)
• M78: 44,806,507 km (0.056 R)
• M79: 45,059,627 km (0.116 R)
• M80: 46,332,705 km (0.065 R)
• M81: 46,417,975 km (0.064 R)
• M82: 47,962,125 km (0.109 R)
• M83: 49,784,825 km (0.111 R)
• M84: 50,309,764 km (0.098 R)
• M85: 51,895,501 km (0.052 R)
• M86: 52,072,625 km (0.12 R)
• M87: 52,338,760 km (0.082 R)
• M88: 52,694,504 km (0.079 R)
• M89: 53,050,846 km (0.072 R)
• M90: 55,025,388 km (0.115 R)
• M91: 55,386,966 km (0.099 R)
• M92: 56,112,516 km (0.064 R)
• M93: 61,747,269 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286

Radius: 3.7

Gravity: 20.89 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.21 AU - 7.35 AU

Year: 13558 Days

Day: 16.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 45,127,260 km

• M1: 71,657 km (0.11 R)
• M2: 111,002 km (0.1 R)
• M3: 240,553 km (0.075 R)
• M4: 273,764 km (0.079 R)
• M5: 357,988 km (0.067 R)
• M6: 436,975 km (0.115 R)
• M7: 492,775 km (0.099 R)
• M8: 823,387 km (0.115 R)
• M9: 1,132,456 km (0.074 R)
• M10: 1,190,500 km (0.091 R)
• M11: 1,349,971 km (0.085 R)
• M12: 2,516,835 km (0.085 R)
• M13: 2,567,548 km (0.08 R)
• M14: 2,773,245 km (0.069 R)
• M15: 2,957,700 km (0.088 R)
• M16: 3,228,023 km (0.109 R)
• M17: 5,104,279 km (0.086 R)
• M18: 5,168,457 km (0.094 R)
• M19: 5,858,103 km (0.117 R)
• M20: 6,472,053 km (0.064 R)
• M21: 7,285,715 km (0.088 R)
• M22: 8,814,307 km (0.049 R)
• M23: 9,046,034 km (0.11 R)
• M24: 9,554,966 km (0.048 R)
• M25: 9,594,609 km (0.111 R)
• M26: 10,356,062 km (0.115 R)
• M27: 10,682,485 km (0.088 R)
• M28: 10,764,614 km (0.046 R)
• M29: 11,053,787 km (0.036 R)
• M30: 11,095,375 km (0.087 R)
• M31: 11,220,139 km (0.085 R)
• M32: 12,450,881 km (0.08 R)
• M33: 12,928,697 km (0.113 R)
• M34: 15,314,035 km (0.05 R)
• M35: 15,685,636 km (0.092 R)
• M36: 17,782,100 km (0.054 R)
• M37: 18,467,259 km (0.086 R)
• M38: 18,615,211 km (0.056 R)
• M39: 18,763,612 km (0.086 R)
• M40: 19,061,461 km (0.113 R)
• M41: 19,111,278 km (0.114 R)
• M42: 21,500,206 km (0.101 R)
• M43: 21,552,116 km (0.088 R)
• M44: 21,655,937 km (0.108 R)
• M45: 22,914,504 km (0.073 R)
• M46: 23,820,319 km (0.091 R)
• M47: 26,052,469 km (0.114 R)
• M48: 26,829,929 km (0.055 R)
• M49: 29,150,043 km (0.057 R)
• M50: 29,207,339 km (0.108 R)
• M51: 29,264,784 km (0.039 R)
• M52: 29,494,866 km (0.114 R)
• M53: 29,956,824 km (0.059 R)
• M54: 30,304,789 km (0.101 R)
• M55: 31,122,042 km (0.101 R)
• M56: 31,474,494 km (0.039 R)
• M57: 32,659,010 km (0.074 R)
• M58: 33,496,758 km (0.068 R)
• M59: 34,159,926 km (0.108 R)
• M60: 34,280,950 km (0.119 R)
• M61: 34,462,712 km (0.072 R)
• M62: 34,949,204 km (0.064 R)
• M63: 35,315,569 km (0.062 R)
• M64: 35,621,796 km (0.063 R)
• M65: 35,867,436 km (0.112 R)
• M66: 36,855,530 km (0.026 R)
• M67: 37,415,325 km (0.098 R)
• M68: 37,602,472 km (0.118 R)
• M69: 37,727,536 km (0.086 R)
• M70: 38,606,274 km (0.108 R)
• M71: 40,255,889 km (0.113 R)
• M72: 41,476,010 km (0.114 R)
• M73: 43,558,113 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.3

Radius: 7.1

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.12 AU - 10.74 AU

Year: 18420 Days

Day: 23.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 45,127,260 km

• M1: 132,394 km (0.057 R)
• M2: 349,610 km (0.098 R)
• M3: 650,452 km (0.11 R)
• M4: 858,243 km (0.057 R)
• M5: 1,225,955 km (0.08 R)
• M6: 1,408,314 km (0.1 R)
• M7: 1,502,860 km (0.118 R)
• M8: 1,881,193 km (0.082 R)
• M9: 2,222,127 km (0.074 R)
• M10: 2,559,320 km (0.105 R)
• M11: 3,131,831 km (0.045 R)
• M12: 3,432,822 km (0.103 R)
• M13: 3,509,416 km (0.073 R)
• M14: 3,664,549 km (0.112 R)
• M15: 4,334,897 km (0.107 R)
• M16: 4,529,375 km (0.083 R)
• M17: 4,613,598 km (0.109 R)
• M18: 5,130,010 km (0.105 R)
• M19: 5,365,328 km (0.042 R)
• M20: 5,755,479 km (0.116 R)
• M21: 6,754,194 km (0.11 R)
• M22: 6,947,475 km (0.107 R)
• M23: 7,240,687 km (0.04 R)
• M24: 7,604,509 km (0.116 R)
• M25: 8,042,382 km (0.115 R)
• M26: 8,384,661 km (0.102 R)
• M27: 8,488,333 km (0.072 R)
• M28: 8,557,597 km (0.111 R)
• M29: 8,977,518 km (0.115 R)
• M30: 9,656,094 km (0.081 R)
• M31: 11,328,149 km (0.072 R)
• M32: 11,404,594 km (0.057 R)
• M33: 11,711,718 km (0.117 R)
• M34: 12,531,066 km (0.051 R)
• M35: 12,728,984 km (0.116 R)
• M36: 13,288,330 km (0.108 R)
• M37: 13,652,152 km (0.049 R)
• M38: 14,101,394 km (0.118 R)
• M39: 14,972,204 km (0.1 R)
• M40: 15,098,165 km (0.049 R)
• M41: 16,203,394 km (0.105 R)
• M42: 16,418,965 km (0.112 R)
• M43: 16,940,014 km (0.066 R)
• M44: 17,731,985 km (0.091 R)
• M45: 18,132,459 km (0.095 R)
• M46: 18,266,648 km (0.116 R)
• M47: 19,169,471 km (0.083 R)
• M48: 19,351,681 km (0.058 R)
• M49: 21,159,123 km (0.086 R)
• M50: 21,206,097 km (0.089 R)
• M51: 22,106,676 km (0.114 R)
• M52: 24,436,962 km (0.108 R)
• M53: 24,585,213 km (0.118 R)
• M54: 24,733,764 km (0.037 R)
• M55: 25,430,740 km (0.077 R)
• M56: 26,336,406 km (0.073 R)
• M57: 27,355,018 km (0.089 R)
• M58: 28,906,946 km (0.063 R)
• M59: 29,273,162 km (0.052 R)
• M60: 30,221,911 km (0.102 R)
• M61: 30,913,353 km (0.077 R)
• M62: 30,966,759 km (0.103 R)
• M63: 31,020,166 km (0.061 R)
• M64: 31,663,885 km (0.09 R)
• M65: 32,095,475 km (0.118 R)
• M66: 33,401,764 km (0.117 R)
• M67: 34,006,289 km (0.107 R)
• M68: 34,226,946 km (0.098 R)
• M69: 35,003,359 km (0.119 R)
• M70: 35,114,659 km (0.086 R)
• M71: 35,841,406 km (0.066 R)
• M72: 37,708,537 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.9

Radius: 6

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.71 AU - 11.35 AU

Year: 21926 Days

Day: 24.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 45,127,260 km

• M1: 126,560 km (0.04 R)
• M2: 476,320 km (0.059 R)
• M3: 671,694 km (0.097 R)
• M4: 855,999 km (0.067 R)
• M5: 1,075,010 km (0.082 R)
• M6: 1,230,742 km (0.079 R)
• M7: 1,456,784 km (0.094 R)
• M8: 1,585,588 km (0.087 R)
• M9: 1,651,560 km (0.036 R)
• M10: 1,695,841 km (0.115 R)
• M11: 2,113,668 km (0.106 R)
• M12: 3,776,449 km (0.1 R)
• M13: 4,286,877 km (0.118 R)
• M14: 4,850,861 km (0.108 R)
• M15: 5,141,679 km (0.092 R)
• M16: 5,305,638 km (0.095 R)
• M17: 5,538,113 km (0.113 R)
• M18: 5,740,070 km (0.105 R)
• M19: 6,325,297 km (0.078 R)
• M20: 9,085,378 km (0.107 R)
• M21: 9,283,595 km (0.09 R)
• M22: 9,403,273 km (0.066 R)
• M23: 9,887,222 km (0.092 R)
• M24: 10,050,284 km (0.086 R)
• M25: 10,214,243 km (0.09 R)
• M26: 11,557,782 km (0.115 R)
• M27: 13,403,520 km (0.117 R)
• M28: 13,584,085 km (0.025 R)
• M29: 14,591,328 km (0.108 R)
• M30: 15,527,661 km (0.089 R)
• M31: 17,310,568 km (0.115 R)
• M32: 19,309,794 km (0.101 R)
• M33: 19,769,508 km (0.07 R)
• M34: 19,820,820 km (0.106 R)
• M35: 20,078,129 km (0.11 R)
• M36: 20,181,202 km (0.108 R)
• M37: 21,591,610 km (0.093 R)
• M38: 25,281,891 km (0.071 R)
• M39: 25,896,887 km (0.117 R)
• M40: 26,460,273 km (0.113 R)
• M41: 26,630,067 km (0.063 R)
• M42: 27,255,685 km (0.046 R)
• M43: 30,396,941 km (0.111 R)
• M44: 32,070,193 km (0.053 R)
• M45: 33,711,880 km (0.048 R)
• M46: 34,945,464 km (0.057 R)
• M47: 37,012,907 km (0.079 R)
• M48: 37,076,187 km (0.074 R)
• M49: 37,838,238 km (0.047 R)
• M50: 37,965,696 km (0.091 R)
• M51: 38,221,059 km (0.113 R)
• M52: 38,797,909 km (0.1 R)
• M53: 39,506,853 km (0.114 R)
• M54: 39,960,284 km (0.055 R)
• M55: 44,453,157 km (0.097 R)
• M56: 44,789,752 km (0.095 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: 172 - 19,324 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit