🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.25 AU - 1.27 AU

Year: 539 Days

Day: 28.5 Hours

Environment

Temp: -26 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759

Radius: 8.7

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.38 AU - 5.16 AU

Year: 3967 Days

Day: 14 Hours

Environment

Temp: -139 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 84,488,724 km

• M1: 147,653 km (0.099 R)
• M2: 362,775 km (0.106 R)
• M3: 433,684 km (0.084 R)
• M4: 529,876 km (0.115 R)
• M5: 655,987 km (0.106 R)
• M6: 926,460 km (0.101 R)
• M7: 1,041,650 km (0.095 R)
• M8: 1,175,540 km (0.034 R)
• M9: 1,329,626 km (0.113 R)
• M10: 1,535,323 km (0.12 R)
• M11: 2,317,121 km (0.072 R)
• M12: 2,674,810 km (0.095 R)
• M13: 2,730,012 km (0.113 R)
• M14: 2,992,705 km (0.047 R)
• M15: 3,050,151 km (0.09 R)
• M16: 3,204,985 km (0.076 R)
• M17: 3,562,823 km (0.112 R)
• M18: 3,664,549 km (0.11 R)
• M19: 3,954,470 km (0.114 R)
• M20: 4,017,600 km (0.052 R)
• M21: 4,144,759 km (0.09 R)
• M22: 4,425,105 km (0.093 R)
• M23: 4,823,484 km (0.112 R)
• M24: 4,958,870 km (0.081 R)
• M25: 5,141,230 km (0.117 R)
• M26: 5,607,078 km (0.053 R)
• M27: 5,725,709 km (0.063 R)
• M28: 5,965,514 km (0.036 R)
• M29: 6,454,699 km (0.075 R)
• M30: 6,579,165 km (0.104 R)
• M31: 6,906,186 km (0.079 R)
• M32: 7,212,861 km (0.106 R)
• M33: 7,419,755 km (0.119 R)
• M34: 7,576,235 km (0.101 R)
• M35: 8,079,033 km (0.062 R)
• M36: 8,402,164 km (0.103 R)
• M37: 8,702,108 km (0.107 R)
• M38: 8,784,537 km (0.115 R)
• M39: 9,200,419 km (0.051 R)
• M40: 9,256,368 km (0.113 R)
• M41: 9,312,467 km (0.046 R)
• M42: 9,994,035 km (0.059 R)
• M43: 10,603,647 km (0.071 R)
• M44: 10,662,439 km (0.1 R)
• M45: 11,495,400 km (0.098 R)
• M46: 11,737,150 km (0.119 R)
• M47: 12,503,839 km (0.06 R)
• M48: 12,940,216 km (0.064 R)
• M49: 13,002,897 km (0.111 R)
• M50: 13,827,930 km (0.048 R)
• M51: 14,214,341 km (0.094 R)
• M52: 14,604,343 km (0.117 R)
• M53: 14,735,091 km (0.097 R)
• M54: 15,096,819 km (0.11 R)
• M55: 15,162,941 km (0.1 R)
• M56: 15,262,274 km (0.038 R)
• M57: 15,561,470 km (0.054 R)
• M58: 15,728,421 km (0.038 R)
• M59: 16,064,418 km (0.048 R)
• M60: 16,199,355 km (0.115 R)
• M61: 17,120,728 km (0.096 R)
• M62: 17,501,006 km (0.087 R)
• M63: 17,918,983 km (0.096 R)
• M64: 18,059,006 km (0.116 R)
• M65: 18,800,264 km (0.103 R)
• M66: 19,013,889 km (0.088 R)
• M67: 19,515,491 km (0.115 R)
• M68: 19,731,810 km (0.102 R)
• M69: 20,825,220 km (0.079 R)
• M70: 20,972,425 km (0.095 R)
• M71: 21,120,078 km (0.116 R)
• M72: 21,453,531 km (0.118 R)
• M73: 22,163,074 km (0.118 R)
• M74: 22,690,855 km (0.115 R)
• M75: 22,804,550 km (0.103 R)
• M76: 23,222,825 km (0.086 R)
• M77: 23,758,835 km (0.059 R)
• M78: 24,260,287 km (0.114 R)
• M79: 24,804,225 km (0.091 R)
• M80: 25,038,495 km (0.094 R)
• M81: 26,459,974 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.4

Radius: 12.2

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.83 AU - 5.95 AU

Year: 5443 Days

Day: 14.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 84,488,724 km

• M1: 163,211 km (0.107 R)
• M2: 303,534 km (0.055 R)
• M3: 382,372 km (0.064 R)
• M4: 581,188 km (0.102 R)
• M5: 676,332 km (0.065 R)
• M6: 1,056,011 km (0.11 R)
• M7: 1,176,438 km (0.072 R)
• M8: 1,270,086 km (0.045 R)
• M9: 1,481,917 km (0.085 R)
• M10: 1,723,517 km (0.08 R)
• M11: 1,812,977 km (0.04 R)
• M12: 1,959,433 km (0.061 R)
• M13: 2,129,226 km (0.045 R)
• M14: 2,363,198 km (0.093 R)
• M15: 2,564,855 km (0.117 R)
• M16: 3,006,768 km (0.099 R)
• M17: 3,314,790 km (0.055 R)
• M18: 3,427,437 km (0.09 R)
• M19: 3,564,169 km (0.119 R)
• M20: 3,679,659 km (0.113 R)
• M21: 3,796,345 km (0.116 R)
• M22: 4,472,677 km (0.109 R)
• M23: 4,824,831 km (0.046 R)
• M24: 5,134,049 km (0.049 R)
• M25: 5,317,456 km (0.03 R)
• M26: 6,072,776 km (0.118 R)
• M27: 7,005,967 km (0.106 R)
• M28: 7,268,213 km (0.104 R)
• M29: 7,593,289 km (0.052 R)
• M30: 8,288,171 km (0.072 R)
• M31: 8,972,132 km (0.11 R)
• M32: 9,066,828 km (0.112 R)
• M33: 9,384,723 km (0.118 R)
• M34: 10,593,175 km (0.096 R)
• M35: 11,029,402 km (0.039 R)
• M36: 11,437,206 km (0.118 R)
• M37: 11,574,238 km (0.031 R)
• M38: 12,478,557 km (0.068 R)
• M39: 12,761,446 km (0.118 R)
• M40: 13,767,941 km (0.043 R)
• M41: 13,950,450 km (0.032 R)
• M42: 15,704,336 km (0.077 R)
• M43: 15,818,628 km (0.065 R)
• M44: 17,055,204 km (0.086 R)
• M45: 17,133,594 km (0.07 R)
• M46: 17,487,393 km (0.091 R)
• M47: 17,566,380 km (0.105 R)
• M48: 17,685,161 km (0.095 R)
• M49: 18,082,643 km (0.082 R)
• M50: 19,579,220 km (0.11 R)
• M51: 19,866,896 km (0.083 R)
• M52: 20,031,903 km (0.073 R)
• M53: 20,197,358 km (0.118 R)
• M54: 20,612,941 km (0.096 R)
• M55: 20,863,667 km (0.056 R)
• M56: 22,004,351 km (0.097 R)
• M57: 22,732,892 km (0.074 R)
• M58: 22,862,295 km (0.094 R)
• M59: 23,078,613 km (0.026 R)
• M60: 23,165,230 km (0.106 R)
• M61: 23,731,309 km (0.095 R)
• M62: 24,125,948 km (0.062 R)
• M63: 24,434,269 km (0.091 R)
• M64: 24,877,079 km (0.066 R)
• M65: 25,456,770 km (0.032 R)
• M66: 27,085,143 km (0.064 R)
• M67: 27,451,658 km (0.112 R)
• M68: 27,589,438 km (0.032 R)
• M69: 27,819,669 km (0.118 R)
• M70: 27,911,971 km (0.093 R)
• M71: 28,793,701 km (0.101 R)
• M72: 31,013,883 km (0.107 R)
• M73: 31,349,281 km (0.105 R)
• M74: 31,541,514 km (0.025 R)
• M75: 31,734,047 km (0.095 R)
• M76: 31,975,348 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.7

Radius: 4.9

Gravity: 29.81 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 13.93 AU - 14.65 AU

Year: 20570 Days

Day: 21.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 84,488,724 km

• M1: 390,450 km (0.101 R)
• M2: 469,438 km (0.099 R)
• M3: 553,811 km (0.069 R)
• M4: 597,943 km (0.038 R)
• M5: 761,902 km (0.051 R)
• M6: 913,594 km (0.058 R)
• M7: 2,735,547 km (0.097 R)
• M8: 3,007,366 km (0.077 R)
• M9: 3,287,862 km (0.112 R)
• M10: 3,328,702 km (0.114 R)
• M11: 3,745,482 km (0.08 R)
• M12: 3,873,837 km (0.062 R)
• M13: 3,916,921 km (0.059 R)
• M14: 4,904,417 km (0.082 R)
• M15: 5,044,889 km (0.095 R)
• M16: 6,829,891 km (0.106 R)
• M17: 7,250,710 km (0.071 R)
• M18: 7,734,210 km (0.1 R)
• M19: 8,007,226 km (0.095 R)
• M20: 8,339,034 km (0.09 R)
• M21: 8,562,833 km (0.082 R)
• M22: 9,887,073 km (0.084 R)
• M23: 10,422,484 km (0.107 R)
• M24: 10,482,472 km (0.061 R)
• M25: 11,150,876 km (0.072 R)
• M26: 11,707,829 km (0.1 R)
• M27: 12,210,477 km (0.11 R)
• M28: 12,913,288 km (0.064 R)
• M29: 12,977,765 km (0.078 R)
• M30: 13,237,018 km (0.102 R)
• M31: 13,367,168 km (0.1 R)
• M32: 13,892,406 km (0.103 R)
• M33: 14,895,310 km (0.104 R)
• M34: 15,166,531 km (0.113 R)
• M35: 16,129,194 km (0.029 R)
• M36: 17,896,543 km (0.119 R)
• M37: 18,912,761 km (0.113 R)
• M38: 18,986,064 km (0.119 R)
• M39: 19,650,129 km (0.068 R)
• M40: 19,798,680 km (0.08 R)
• M41: 21,381,276 km (0.091 R)
• M42: 21,534,165 km (0.081 R)
• M43: 22,071,969 km (0.084 R)
• M44: 22,381,188 km (0.091 R)
• M45: 22,691,903 km (0.108 R)
• M46: 25,148,000 km (0.092 R)
• M47: 26,039,454 km (0.097 R)
• M48: 26,530,135 km (0.075 R)
• M49: 28,355,229 km (0.098 R)
• M50: 28,523,228 km (0.09 R)
• M51: 29,622,622 km (0.084 R)
• M52: 31,167,819 km (0.12 R)
• M53: 32,739,045 km (0.054 R)
• M54: 32,827,009 km (0.113 R)
• M55: 33,623,019 km (0.106 R)
• M56: 33,978,763 km (0.089 R)
• M57: 34,067,923 km (0.077 R)
• M58: 34,157,083 km (0.116 R)
• M59: 34,604,381 km (0.115 R)
• M60: 35,323,947 km (0.093 R)
• M61: 36,869,592 km (0.116 R)
• M62: 38,158,826 km (0.11 R)
• M63: 39,462,871 km (0.118 R)
• M64: 41,160,807 km (0.039 R)
• M65: 41,255,802 km (0.061 R)
• M66: 45,018,487 km (0.115 R)
• M67: 45,803,726 km (0.077 R)
• M68: 47,587,083 km (0.11 R)
• M69: 49,999,947 km (0.076 R)
• M70: 50,304,378 km (0.12 R)
• M71: 52,040,910 km (0.076 R)
• M72: 52,143,684 km (0.091 R)
• M73: 53,278,534 km (0.068 R)
• M74: 54,317,192 km (0.107 R)
• M75: 54,630,150 km (0.07 R)
• M76: 55,362,582 km (0.094 R)
• M77: 57,154,914 km (0.101 R)
• M78: 57,260,979 km (0.074 R)
• M79: 57,685,687 km (0.11 R)
• M80: 58,752,170 km (0.12 R)
• M81: 58,966,245 km (0.045 R)
• M82: 59,395,142 km (0.111 R)
• M83: 60,256,078 km (0.109 R)
• M84: 60,364,087 km (0.12 R)
• M85: 62,208,330 km (0.107 R)
• M86: 62,973,074 km (0.088 R)
• M87: 63,082,580 km (0.11 R)
• M88: 63,740,960 km (0.054 R)
• M89: 64,291,331 km (0.094 R)
• M90: 66,397,220 km (0.094 R)
• M91: 66,955,070 km (0.118 R)
• M92: 67,963,210 km (0.06 R)
• M93: 70,903,856 km (0.08 R)
• M94: 72,045,736 km (0.086 R)
• M95: 74,347,898 km (0.106 R)
• M96: 78,081,262 km (0.074 R)
• M97: 78,670,229 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.1

Radius: 7.2

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 11.76 AU - 16.92 AU

Year: 20679 Days

Day: 22.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 84,488,724 km

• M1: 107,112 km (0.052 R)
• M2: 172,038 km (0.045 R)
• M3: 220,058 km (0.058 R)
• M4: 415,882 km (0.119 R)
• M5: 581,337 km (0.064 R)
• M6: 697,724 km (0.054 R)
• M7: 785,838 km (0.06 R)
• M8: 934,687 km (0.1 R)
• M9: 1,549,086 km (0.118 R)
• M10: 1,595,312 km (0.067 R)
• M11: 2,084,347 km (0.106 R)
• M12: 2,318,767 km (0.085 R)
• M13: 2,644,741 km (0.067 R)
• M14: 3,101,762 km (0.064 R)
• M15: 3,399,911 km (0.106 R)
• M16: 4,023,584 km (0.069 R)
• M17: 4,185,000 km (0.118 R)
• M18: 4,749,882 km (0.098 R)
• M19: 5,058,502 km (0.091 R)
• M20: 5,876,803 km (0.108 R)
• M21: 6,320,061 km (0.109 R)
• M22: 6,432,409 km (0.083 R)
• M23: 6,621,501 km (0.049 R)
• M24: 6,773,941 km (0.098 R)
• M25: 6,927,578 km (0.116 R)
• M26: 8,075,742 km (0.08 R)
• M27: 8,444,052 km (0.094 R)
• M28: 8,776,009 km (0.082 R)
• M29: 9,069,969 km (0.086 R)
• M30: 9,495,575 km (0.087 R)
• M31: 9,581,444 km (0.111 R)
• M32: 9,927,614 km (0.108 R)
• M33: 10,454,647 km (0.103 R)
• M34: 10,721,530 km (0.095 R)
• M35: 10,900,598 km (0.105 R)
• M36: 11,398,610 km (0.046 R)
• M37: 12,983,898 km (0.074 R)
• M38: 13,511,380 km (0.049 R)
• M39: 13,850,818 km (0.1 R)
• M40: 14,587,438 km (0.087 R)
• M41: 14,985,668 km (0.113 R)
• M42: 15,185,979 km (0.079 R)
• M43: 15,843,462 km (0.055 R)
• M44: 16,561,681 km (0.091 R)
• M45: 16,613,442 km (0.083 R)
• M46: 17,290,671 km (0.07 R)
• M47: 17,870,812 km (0.106 R)
• M48: 17,923,770 km (0.027 R)
• M49: 18,457,236 km (0.116 R)
• M50: 19,813,490 km (0.089 R)
• M51: 19,868,392 km (0.119 R)
• M52: 21,145,360 km (0.083 R)
• M53: 22,049,380 km (0.111 R)
• M54: 22,735,585 km (0.104 R)
• M55: 24,187,582 km (0.06 R)
• M56: 25,370,602 km (0.085 R)
• M57: 25,430,292 km (0.104 R)
• M58: 27,731,256 km (0.09 R)
• M59: 27,854,226 km (0.067 R)
• M60: 28,100,614 km (0.074 R)
• M61: 30,731,591 km (0.101 R)
• M62: 30,795,170 km (0.119 R)
• M63: 31,177,692 km (0.062 R)
• M64: 32,205,280 km (0.071 R)
• M65: 33,702,007 km (0.111 R)
• M66: 34,096,047 km (0.106 R)
• M67: 36,022,569 km (0.086 R)
• M68: 37,439,560 km (0.042 R)
• M69: 38,052,462 km (0.098 R)
• M70: 38,599,991 km (0.06 R)
• M71: 40,815,984 km (0.038 R)
• M72: 40,885,996 km (0.072 R)
• M73: 41,306,366 km (0.107 R)
• M74: 41,728,082 km (0.103 R)
• M75: 42,646,763 km (0.05 R)
• M76: 43,001,908 km (0.038 R)
• M77: 43,500,817 km (0.11 R)
• M78: 43,643,683 km (0.099 R)
• M79: 44,073,178 km (0.06 R)
• M80: 45,732,817 km (0.105 R)
• M81: 45,805,522 km (0.064 R)
• M82: 46,460,910 km (0.058 R)
• M83: 46,606,917 km (0.07 R)
• M84: 46,679,921 km (0.11 R)
• M85: 47,412,951 km (0.11 R)
• M86: 48,223,472 km (0.055 R)
• M87: 48,593,428 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.2

Radius: 6.2

Gravity: 18.32 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 12.41 AU - 18.45 AU

Year: 23080 Days

Day: 15 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 84,488,724 km

• M1: 126,560 km (0.103 R)
• M2: 174,431 km (0.11 R)
• M3: 472,580 km (0.109 R)
• M4: 1,136,345 km (0.092 R)
• M5: 1,225,805 km (0.092 R)
• M6: 1,845,739 km (0.1 R)
• M7: 1,951,355 km (0.073 R)
• M8: 2,095,567 km (0.064 R)
• M9: 2,280,620 km (0.048 R)
• M10: 3,198,702 km (0.042 R)
• M11: 3,455,262 km (0.095 R)
• M12: 4,404,461 km (0.117 R)
• M13: 4,451,584 km (0.11 R)
• M14: 4,932,092 km (0.081 R)
• M15: 5,941,579 km (0.057 R)
• M16: 6,098,507 km (0.09 R)
• M17: 6,903,044 km (0.05 R)
• M18: 8,316,744 km (0.093 R)
• M19: 8,906,459 km (0.091 R)
• M20: 9,086,126 km (0.089 R)
• M21: 9,754,828 km (0.103 R)
• M22: 10,439,239 km (0.101 R)
• M23: 12,117,577 km (0.096 R)
• M24: 13,739,816 km (0.051 R)
• M25: 14,646,679 km (0.084 R)
• M26: 16,444,097 km (0.036 R)
• M27: 17,256,862 km (0.06 R)
• M28: 18,844,395 km (0.094 R)
• M29: 21,112,299 km (0.084 R)
• M30: 21,994,777 km (0.104 R)
• M31: 23,630,031 km (0.117 R)
• M32: 25,898,832 km (0.068 R)
• M33: 25,984,253 km (0.103 R)
• M34: 26,670,458 km (0.07 R)
• M35: 27,189,114 km (0.07 R)
• M36: 29,207,787 km (0.064 R)
• M37: 29,474,520 km (0.043 R)
• M38: 30,190,047 km (0.115 R)
• M39: 31,183,227 km (0.114 R)
• M40: 31,364,989 km (0.044 R)
• M41: 32,278,882 km (0.097 R)
• M42: 32,739,195 km (0.102 R)
• M43: 33,852,652 km (0.067 R)
• M44: 33,946,001 km (0.056 R)
• M45: 34,132,849 km (0.083 R)
• M46: 34,884,129 km (0.092 R)
• M47: 35,072,772 km (0.069 R)
• M48: 35,167,168 km (0.087 R)
• M49: 35,356,410 km (0.102 R)
• M50: 35,451,105 km (0.114 R)
• M51: 35,640,795 km (0.075 R)
• M52: 36,116,516 km (0.106 R)
• M53: 36,785,967 km (0.064 R)
• M54: 36,881,859 km (0.105 R)
• M55: 38,818,703 km (0.074 R)
• M56: 38,916,390 km (0.068 R)
• M57: 40,095,371 km (0.099 R)
• M58: 40,589,941 km (0.115 R)
• M59: 43,600,150 km (0.062 R)
• M60: 43,701,727 km (0.12 R)
• M61: 44,006,906 km (0.102 R)
• M62: 44,108,783 km (0.114 R)
• M63: 44,619,360 km (0.098 R)
• M64: 44,721,685 km (0.103 R)
• M65: 46,059,389 km (0.106 R)
• M66: 48,774,142 km (0.095 R)
• M67: 49,725,734 km (0.057 R)
• M68: 49,831,948 km (0.11 R)
• M69: 51,540,206 km (0.049 R)
• M70: 51,755,029 km (0.12 R)
• M71: 52,077,861 km (0.076 R)
• M72: 53,484,680 km (0.073 R)
• M73: 55,123,524 km (0.102 R)
• M74: 55,343,283 km (0.109 R)
• M75: 56,667,823 km (0.063 R)
• M76: 57,333,982 km (0.077 R)
• M77: 57,779,634 km (0.114 R)
• M78: 58,226,334 km (0.072 R)
• M79: 61,955,360 km (0.118 R)
• M80: 63,445,504 km (0.078 R)
• M81: 65,528,056 km (0.078 R)
• M82: 67,163,310 km (0.072 R)
• M83: 67,750,632 km (0.104 R)
• M84: 68,575,664 km (0.067 R)
• M85: 70,235,602 km (0.119 R)
• M86: 70,354,682 km (0.063 R)
• M87: 70,831,749 km (0.078 R)
• M88: 71,669,049 km (0.091 R)
• M89: 72,991,494 km (0.097 R)
• M90: 73,837,171 km (0.107 R)
• M91: 74,807,762 km (0.102 R)
• M92: 77,498,429 km (0.095 R)
• M93: 77,744,517 km (0.115 R)
• M94: 80,718,822 km (0.045 R)
• M95: 81,218,180 km (0.102 R)
• M96: 81,718,585 km (0.106 R)
• M97: 83,099,822 km (0.118 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 15,933 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit