🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529

Radius: 9.8

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.63 AU - 0.95 AU

Year: 468 Days

Day: 5.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 61,944,241 km

• M1: 140,173 km (0.114 R)
• M2: 241,301 km (0.096 R)
• M3: 303,983 km (0.107 R)
• M4: 411,693 km (0.086 R)
• M5: 556,055 km (0.079 R)
• M6: 618,288 km (0.09 R)
• M7: 787,483 km (0.078 R)
• M8: 850,314 km (0.117 R)
• M9: 915,090 km (0.098 R)
• M10: 1,022,352 km (0.063 R)
• M11: 1,091,616 km (0.085 R)
• M12: 1,181,823 km (0.106 R)
• M13: 1,324,540 km (0.081 R)
• M14: 1,390,512 km (0.043 R)
• M15: 1,457,532 km (0.103 R)
• M16: 1,579,006 km (0.111 R)
• M17: 1,649,167 km (0.103 R)
• M18: 1,720,525 km (0.047 R)
• M19: 1,854,864 km (0.111 R)
• M20: 1,934,899 km (0.12 R)
• M21: 2,016,280 km (0.064 R)
• M22: 2,254,889 km (0.109 R)
• M23: 2,377,709 km (0.081 R)
• M24: 2,464,924 km (0.099 R)
• M25: 2,585,201 km (0.104 R)
• M26: 2,655,661 km (0.116 R)
• M27: 2,759,482 km (0.058 R)
• M28: 2,851,485 km (0.103 R)
• M29: 2,971,163 km (0.064 R)
• M30: 3,140,209 km (0.085 R)
• M31: 3,264,076 km (0.091 R)
• M32: 3,361,464 km (0.03 R)
• M33: 3,466,781 km (0.088 R)
• M34: 3,609,198 km (0.091 R)
• M35: 3,811,754 km (0.106 R)
• M36: 3,914,378 km (0.105 R)
• M37: 4,137,578 km (0.103 R)
• M38: 4,228,085 km (0.075 R)
• M39: 4,495,715 km (0.049 R)
• M40: 4,643,368 km (0.078 R)
• M41: 4,706,050 km (0.027 R)
• M42: 4,951,540 km (0.089 R)
• M43: 5,031,575 km (0.118 R)
• M44: 5,249,988 km (0.09 R)
• M45: 5,381,035 km (0.11 R)
• M46: 5,471,542 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.3

Radius: 10.5

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.84 AU - 0.96 AU

Year: 569 Days

Day: 8.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 61,944,241 km

• M1: 131,945 km (0.081 R)
• M2: 234,569 km (0.114 R)
• M3: 300,692 km (0.066 R)
• M4: 394,490 km (0.047 R)
• M5: 534,663 km (0.082 R)
• M6: 693,536 km (0.087 R)
• M7: 852,259 km (0.074 R)
• M8: 962,363 km (0.083 R)
• M9: 1,050,476 km (0.083 R)
• M10: 1,174,044 km (0.113 R)
• M11: 1,244,804 km (0.119 R)
• M12: 1,396,197 km (0.089 R)
• M13: 1,558,810 km (0.043 R)
• M14: 1,717,234 km (0.094 R)
• M15: 1,804,001 km (0.044 R)
• M16: 1,875,658 km (0.059 R)
• M17: 1,959,433 km (0.067 R)
• M18: 2,084,796 km (0.119 R)
• M19: 2,165,878 km (0.091 R)
• M20: 2,295,729 km (0.074 R)
• M21: 2,361,552 km (0.113 R)
• M22: 2,489,159 km (0.11 R)
• M23: 2,556,927 km (0.072 R)
• M24: 2,644,142 km (0.092 R)
• M25: 2,789,551 km (0.11 R)
• M26: 2,905,191 km (0.102 R)
• M27: 2,976,698 km (0.099 R)
• M28: 3,161,452 km (0.097 R)
• M29: 3,282,177 km (0.089 R)
• M30: 3,356,827 km (0.053 R)
• M31: 3,438,806 km (0.119 R)
• M32: 3,514,652 km (0.116 R)
• M33: 3,618,922 km (0.098 R)
• M34: 3,688,934 km (0.043 R)
• M35: 3,959,556 km (0.041 R)
• M36: 4,075,345 km (0.102 R)
• M37: 4,155,679 km (0.075 R)
• M38: 4,221,802 km (0.055 R)
• M39: 4,325,473 km (0.039 R)
• M40: 4,527,580 km (0.113 R)
• M41: 4,709,939 km (0.09 R)
• M42: 4,840,538 km (0.098 R)
• M43: 4,933,588 km (0.065 R)
• M44: 5,027,087 km (0.098 R)
• M45: 5,168,606 km (0.086 R)
• M46: 5,399,286 km (0.098 R)
• M47: 5,511,934 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.5

Radius: 10

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.84 AU - 1.08 AU

Year: 627 Days

Day: 10.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 61,944,241 km

• M1: 130,001 km (0.034 R)
• M2: 227,090 km (0.092 R)
• M3: 345,421 km (0.091 R)
• M4: 543,040 km (0.105 R)
• M5: 612,603 km (0.118 R)
• M6: 753,824 km (0.089 R)
• M7: 937,530 km (0.057 R)
• M8: 1,009,786 km (0.101 R)
• M9: 1,155,494 km (0.045 R)
• M10: 1,293,274 km (0.048 R)
• M11: 1,515,875 km (0.102 R)
• M12: 1,640,041 km (0.108 R)
• M13: 1,807,441 km (0.088 R)
• M14: 1,887,476 km (0.057 R)
• M15: 1,986,361 km (0.1 R)
• M16: 2,051,136 km (0.092 R)
• M17: 2,158,996 km (0.039 R)
• M18: 2,232,000 km (0.091 R)
• M19: 2,336,719 km (0.102 R)
• M20: 2,468,514 km (0.034 R)
• M21: 2,532,243 km (0.114 R)
• M22: 2,700,242 km (0.082 R)
• M23: 2,785,812 km (0.109 R)
• M24: 2,885,444 km (0.09 R)
• M25: 3,061,221 km (0.034 R)
• M26: 3,150,531 km (0.09 R)
• M27: 3,261,533 km (0.096 R)
• M28: 3,352,787 km (0.105 R)
• M29: 3,530,510 km (0.04 R)
• M30: 3,595,435 km (0.085 R)
• M31: 3,762,835 km (0.116 R)
• M32: 3,828,958 km (0.094 R)
• M33: 3,940,258 km (0.076 R)
• M34: 4,045,126 km (0.067 R)
• M35: 4,120,524 km (0.12 R)
• M36: 4,203,999 km (0.04 R)
• M37: 4,318,891 km (0.071 R)
• M38: 4,396,083 km (0.101 R)
• M39: 4,559,594 km (0.118 R)
• M40: 4,812,713 km (0.078 R)
• M41: 4,924,912 km (0.084 R)
• M42: 5,086,627 km (0.066 R)
• M43: 5,340,943 km (0.113 R)
• M44: 5,407,365 km (0.089 R)
• M45: 5,607,975 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.9

Radius: 9.2

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.96 AU - 2.78 AU

Year: 2433 Days

Day: 10.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 61,944,241 km

• M1: 116,537 km (0.097 R)
• M2: 189,541 km (0.084 R)
• M3: 424,708 km (0.085 R)
• M4: 621,878 km (0.076 R)
• M5: 763,248 km (0.1 R)
• M6: 878,439 km (0.105 R)
• M7: 1,118,693 km (0.052 R)
• M8: 1,217,427 km (0.081 R)
• M9: 1,319,304 km (0.114 R)
• M10: 1,450,651 km (0.106 R)
• M11: 1,522,458 km (0.096 R)
• M12: 1,669,961 km (0.082 R)
• M13: 1,745,508 km (0.086 R)
• M14: 1,803,103 km (0.102 R)
• M15: 2,069,687 km (0.105 R)
• M16: 2,412,714 km (0.105 R)
• M17: 2,541,967 km (0.087 R)
• M18: 2,863,902 km (0.037 R)
• M19: 2,966,526 km (0.111 R)
• M20: 3,377,172 km (0.11 R)
• M21: 3,619,969 km (0.091 R)
• M22: 3,718,704 km (0.109 R)
• M23: 3,818,486 km (0.114 R)
• M24: 3,919,015 km (0.041 R)
• M25: 3,982,295 km (0.083 R)
• M26: 4,187,244 km (0.102 R)
• M27: 4,474,622 km (0.1 R)
• M28: 4,647,557 km (0.063 R)
• M29: 4,849,813 km (0.091 R)
• M30: 4,986,247 km (0.101 R)
• M31: 5,068,675 km (0.038 R)
• M32: 5,559,057 km (0.111 R)
• M33: 5,673,200 km (0.112 R)
• M34: 5,773,879 km (0.088 R)
• M35: 5,845,986 km (0.03 R)
• M36: 6,182,132 km (0.09 R)
• M37: 6,285,654 km (0.118 R)
• M38: 6,374,964 km (0.083 R)
• M39: 6,449,613 km (0.088 R)
• M40: 6,569,740 km (0.099 R)
• M41: 6,630,028 km (0.093 R)
• M42: 7,181,296 km (0.079 R)
• M43: 7,509,664 km (0.077 R)
• M44: 7,604,509 km (0.111 R)
• M45: 7,939,159 km (0.095 R)
• M46: 8,100,276 km (0.1 R)
• M47: 8,165,052 km (0.03 R)
• M48: 8,229,977 km (0.051 R)
• M49: 8,425,801 km (0.115 R)
• M50: 9,022,547 km (0.109 R)
• M51: 9,089,716 km (0.07 R)
• M52: 9,157,035 km (0.116 R)
• M53: 9,684,368 km (0.099 R)
• M54: 9,770,237 km (0.12 R)
• M55: 9,925,669 km (0.069 R)
• M56: 10,274,083 km (0.111 R)
• M57: 10,396,902 km (0.116 R)
• M58: 10,590,931 km (0.097 R)
• M59: 10,661,840 km (0.08 R)
• M60: 10,803,958 km (0.068 R)
• M61: 11,054,385 km (0.066 R)
• M62: 11,126,342 km (0.09 R)
• M63: 11,342,959 km (0.046 R)
• M64: 11,415,365 km (0.115 R)
• M65: 12,019,591 km (0.071 R)
• M66: 12,334,943 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103

Radius: 13.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.31 AU - 4.27 AU

Year: 4920 Days

Day: 7.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 61,944,241 km

• M1: 226,342 km (0.08 R)
• M2: 387,458 km (0.092 R)
• M3: 650,152 km (0.115 R)
• M4: 947,553 km (0.114 R)
• M5: 1,240,615 km (0.086 R)
• M6: 1,348,326 km (0.107 R)
• M7: 1,479,972 km (0.089 R)
• M8: 1,573,770 km (0.118 R)
• M9: 1,745,807 km (0.112 R)
• M10: 1,856,659 km (0.102 R)
• M11: 2,004,312 km (0.069 R)
• M12: 2,275,832 km (0.099 R)
• M13: 2,409,872 km (0.072 R)
• M14: 2,509,205 km (0.07 R)
• M15: 2,597,169 km (0.109 R)
• M16: 2,841,462 km (0.076 R)
• M17: 2,986,422 km (0.109 R)
• M18: 3,215,457 km (0.101 R)
• M19: 3,311,498 km (0.111 R)
• M20: 3,450,475 km (0.08 R)
• M21: 3,966,588 km (0.11 R)
• M22: 4,189,040 km (0.046 R)
• M23: 4,476,716 km (0.071 R)
• M24: 4,724,151 km (0.088 R)
• M25: 4,896,787 km (0.098 R)
• M26: 5,167,858 km (0.086 R)
• M27: 5,444,016 km (0.093 R)
• M28: 5,959,979 km (0.078 R)
• M29: 6,181,085 km (0.091 R)
• M30: 6,561,662 km (0.096 R)
• M31: 6,985,323 km (0.098 R)
• M32: 7,128,638 km (0.036 R)
• M33: 7,491,113 km (0.093 R)
• M34: 7,582,817 km (0.111 R)
• M35: 7,804,072 km (0.08 R)
• M36: 8,328,861 km (0.111 R)
• M37: 8,442,855 km (0.087 R)
• M38: 8,807,126 km (0.116 R)
• M39: 9,059,497 km (0.06 R)
• M40: 9,333,860 km (0.073 R)
• M41: 9,650,858 km (0.082 R)
• M42: 9,790,582 km (0.06 R)
• M43: 9,931,055 km (0.109 R)
• M44: 10,051,930 km (0.105 R)
• M45: 10,581,805 km (0.117 R)
• M46: 11,393,673 km (0.112 R)
• M47: 11,774,998 km (0.098 R)
• M48: 11,903,203 km (0.1 R)
• M49: 12,096,185 km (0.058 R)
• M50: 12,681,561 km (0.034 R)
• M51: 12,878,731 km (0.105 R)
• M52: 12,966,695 km (0.117 R)
• M53: 13,098,939 km (0.032 R)
• M54: 13,298,353 km (0.1 R)
• M55: 13,677,584 km (0.057 R)
• M56: 13,812,371 km (0.088 R)
• M57: 13,902,429 km (0.112 R)
• M58: 14,128,472 km (0.043 R)
• M59: 14,287,345 km (0.089 R)
• M60: 14,469,704 km (0.044 R)
• M61: 14,629,924 km (0.095 R)
• M62: 14,790,741 km (0.068 R)
• M63: 15,160,547 km (0.106 R)
• M64: 15,533,495 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.6

Radius: 12.2

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.06 AU - 6.02 AU

Year: 8695 Days

Day: 5.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 61,944,241 km

• M1: 174,431 km (0.071 R)
• M2: 261,048 km (0.101 R)
• M3: 415,882 km (0.097 R)
• M4: 650,601 km (0.116 R)
• M5: 822,489 km (0.076 R)
• M6: 1,486,554 km (0.097 R)
• M7: 1,640,490 km (0.111 R)
• M8: 1,719,478 km (0.106 R)
• M9: 1,902,287 km (0.096 R)
• M10: 2,512,047 km (0.061 R)
• M11: 2,650,276 km (0.093 R)
• M12: 3,559,382 km (0.082 R)
• M13: 3,980,650 km (0.08 R)
• M14: 4,362,573 km (0.095 R)
• M15: 4,986,396 km (0.089 R)
• M16: 5,220,367 km (0.059 R)
• M17: 5,457,929 km (0.078 R)
• M18: 5,699,080 km (0.057 R)
• M19: 5,974,640 km (0.072 R)
• M20: 6,067,540 km (0.072 R)
• M21: 6,475,344 km (0.084 R)
• M22: 6,827,497 km (0.085 R)
• M23: 7,120,410 km (0.083 R)
• M24: 7,218,845 km (0.032 R)
• M25: 7,350,940 km (0.084 R)
• M26: 7,584,163 km (0.05 R)
• M27: 7,718,353 km (0.105 R)
• M28: 8,194,822 km (0.111 R)
• M29: 8,610,704 km (0.075 R)
• M30: 8,856,643 km (0.114 R)
• M31: 9,427,359 km (0.102 R)
• M32: 9,608,073 km (0.116 R)
• M33: 10,268,547 km (0.078 R)
• M34: 10,943,683 km (0.114 R)
• M35: 11,171,969 km (0.109 R)
• M36: 11,286,711 km (0.057 R)
• M37: 11,594,583 km (0.104 R)
• M38: 11,905,298 km (0.058 R)
• M39: 12,693,978 km (0.093 R)
• M40: 13,094,601 km (0.069 R)
• M41: 13,175,234 km (0.076 R)
• M42: 13,499,562 km (0.071 R)
• M43: 13,744,454 km (0.046 R)
• M44: 14,487,955 km (0.115 R)
• M45: 14,613,169 km (0.092 R)
• M46: 14,780,718 km (0.079 R)
• M47: 16,403,706 km (0.073 R)
• M48: 16,796,400 km (0.072 R)
• M49: 16,884,064 km (0.069 R)
• M50: 17,369,061 km (0.09 R)
• M51: 17,769,235 km (0.027 R)
• M52: 18,488,202 km (0.05 R)
• M53: 18,851,276 km (0.074 R)
• M54: 19,400,450 km (0.111 R)
• M55: 19,815,584 km (0.072 R)
• M56: 20,796,049 km (0.118 R)
• M57: 21,315,901 km (0.08 R)
• M58: 22,416,643 km (0.057 R)
• M59: 22,561,603 km (0.094 R)
• M60: 22,755,332 km (0.066 R)
• M61: 23,339,811 km (0.109 R)
• M62: 26,031,077 km (0.04 R)
• M63: 26,336,107 km (0.1 R)
• M64: 27,516,584 km (0.095 R)
• M65: 27,619,956 km (0.097 R)
• M66: 27,879,209 km (0.075 R)
• M67: 28,035,090 km (0.073 R)
• M68: 28,818,983 km (0.116 R)
• M69: 28,924,150 km (0.105 R)
• M70: 29,451,333 km (0.116 R)
• M71: 29,822,336 km (0.113 R)
• M72: 30,035,064 km (0.092 R)
• M73: 30,729,796 km (0.096 R)
• M74: 31,971,907 km (0.052 R)
• M75: 32,517,042 km (0.118 R)
• M76: 35,064,245 km (0.064 R)
• M77: 35,345,040 km (0.116 R)
• M78: 36,418,554 km (0.095 R)
• M79: 36,987,924 km (0.057 R)
• M80: 37,273,656 km (0.083 R)
• M81: 37,675,027 km (0.077 R)
• M82: 37,789,918 km (0.114 R)
• M83: 38,193,084 km (0.11 R)
• M84: 38,539,703 km (0.044 R)
• M85: 38,771,430 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 501.4

Radius: 5.2

Gravity: 18.54 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.5 AU - 9.94 AU

Year: 17171 Days

Day: 17.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 61,944,241 km

• M1: 126,560 km (0.107 R)
• M2: 435,629 km (0.038 R)
• M3: 469,887 km (0.105 R)
• M4: 505,042 km (0.105 R)
• M5: 715,377 km (0.081 R)
• M6: 819,647 km (0.096 R)
• M7: 1,043,146 km (0.12 R)
• M8: 1,186,162 km (0.071 R)
• M9: 1,438,683 km (0.119 R)
• M10: 2,139,998 km (0.045 R)
• M11: 2,322,208 km (0.104 R)
• M12: 2,799,425 km (0.111 R)
• M13: 3,877,427 km (0.026 R)
• M14: 4,325,622 km (0.064 R)
• M15: 5,393,153 km (0.034 R)
• M16: 5,724,363 km (0.05 R)
• M17: 6,019,519 km (0.11 R)
• M18: 6,580,960 km (0.119 R)
• M19: 6,845,748 km (0.1 R)
• M20: 7,753,209 km (0.073 R)
• M21: 8,126,755 km (0.104 R)
• M22: 8,842,730 km (0.09 R)
• M23: 9,232,881 km (0.079 R)
• M24: 9,678,384 km (0.062 R)
• M25: 9,778,465 km (0.091 R)
• M26: 10,796,778 km (0.078 R)
• M27: 11,056,629 km (0.117 R)
• M28: 11,423,892 km (0.112 R)
• M29: 11,582,615 km (0.097 R)
• M30: 12,604,069 km (0.064 R)
• M31: 13,097,892 km (0.08 R)
• M32: 14,445,470 km (0.082 R)
• M33: 15,077,820 km (0.114 R)
• M34: 16,013,554 km (0.089 R)
• M35: 16,907,701 km (0.052 R)
• M36: 20,514,506 km (0.088 R)
• M37: 21,419,423 km (0.105 R)
• M38: 22,008,091 km (0.081 R)
• M39: 22,668,266 km (0.115 R)
• M40: 23,670,871 km (0.071 R)
• M41: 24,415,270 km (0.056 R)
• M42: 28,107,794 km (0.094 R)
• M43: 28,895,577 km (0.1 R)
• M44: 29,545,729 km (0.046 R)
• M45: 30,200,519 km (0.087 R)
• M46: 30,273,523 km (0.072 R)
• M47: 30,419,829 km (0.118 R)
• M48: 30,566,435 km (0.04 R)
• M49: 30,713,191 km (0.109 R)
• M50: 31,598,661 km (0.108 R)
• M51: 33,621,373 km (0.113 R)
• M52: 34,076,600 km (0.052 R)
• M53: 34,152,595 km (0.117 R)
• M54: 34,381,181 km (0.088 R)
• M55: 35,454,247 km (0.101 R)
• M56: 39,535,276 km (0.087 R)
• M57: 42,528,281 km (0.104 R)
• M58: 44,757,888 km (0.109 R)
• M59: 47,618,947 km (0.047 R)
• M60: 47,959,432 km (0.118 R)
• M61: 48,215,394 km (0.109 R)
• M62: 49,673,973 km (0.093 R)
• M63: 50,538,798 km (0.099 R)
• M64: 51,234,129 km (0.082 R)
• M65: 51,495,776 km (0.109 R)
• M66: 52,986,519 km (0.086 R)
• M67: 55,472,536 km (0.084 R)
• M68: 56,729,607 km (0.041 R)
• M69: 57,180,944 km (0.086 R)
• M70: 60,465,066 km (0.08 R)
• M71: 60,557,218 km (0.119 R)
• M72: 61,018,428 km (0.09 R)
• M73: 61,480,686 km (0.069 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 11,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit