🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187

Radius: 9

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.36 AU - 1.46 AU

Year: 1098 Days

Day: 14.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 70.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 33,062,735 km

• M1: 112,198 km (0.09 R)
• M2: 178,919 km (0.094 R)
• M3: 264,788 km (0.084 R)
• M4: 340,634 km (0.055 R)
• M5: 441,015 km (0.069 R)
• M6: 569,669 km (0.111 R)
• M7: 630,256 km (0.06 R)
• M8: 721,062 km (0.105 R)
• M9: 821,442 km (0.096 R)
• M10: 932,144 km (0.111 R)
• M11: 1,031,777 km (0.034 R)
• M12: 1,102,237 km (0.116 R)
• M13: 1,358,797 km (0.11 R)
• M14: 1,460,823 km (0.093 R)
• M15: 1,609,224 km (0.041 R)
• M16: 1,698,085 km (0.061 R)
• M17: 1,834,668 km (0.114 R)
• M18: 1,901,090 km (0.1 R)
• M19: 1,995,336 km (0.064 R)
• M20: 2,139,698 km (0.09 R)
• M21: 2,330,585 km (0.072 R)
• M22: 2,388,180 km (0.042 R)
• M23: 2,453,555 km (0.064 R)
• M24: 2,534,338 km (0.07 R)
• M25: 2,608,538 km (0.044 R)
• M26: 2,721,335 km (0.087 R)
• M27: 2,797,331 km (0.074 R)
• M28: 3,212,465 km (0.119 R)
• M29: 3,382,408 km (0.078 R)
• M30: 3,497,449 km (0.112 R)
• M31: 4,126,508 km (0.086 R)
• M32: 4,311,411 km (0.098 R)
• M33: 4,652,943 km (0.081 R)
• M34: 4,790,273 km (0.048 R)
• M35: 4,947,501 km (0.065 R)
• M36: 5,012,725 km (0.114 R)
• M37: 5,068,825 km (0.098 R)
• M38: 5,200,770 km (0.096 R)
• M39: 5,333,762 km (0.108 R)
• M40: 5,448,654 km (0.094 R)
• M41: 5,700,427 km (0.118 R)
• M42: 5,788,540 km (0.071 R)
• M43: 5,857,355 km (0.03 R)
• M44: 6,035,526 km (0.088 R)
• M45: 6,498,980 km (0.114 R)
• M46: 6,662,940 km (0.104 R)
• M47: 6,735,195 km (0.104 R)
• M48: 6,797,129 km (0.089 R)
• M49: 7,005,519 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.8

Radius: 11

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.69 AU - 2.09 AU

Year: 1705 Days

Day: 7.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 157.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 33,062,735 km

• M1: 138,677 km (0.095 R)
• M2: 253,269 km (0.084 R)
• M3: 335,099 km (0.085 R)
• M4: 415,134 km (0.097 R)
• M5: 520,301 km (0.105 R)
• M6: 666,608 km (0.107 R)
• M7: 755,170 km (0.095 R)
• M8: 938,427 km (0.12 R)
• M9: 1,152,053 km (0.036 R)
• M10: 1,284,747 km (0.071 R)
• M11: 1,357,301 km (0.064 R)
• M12: 1,532,032 km (0.076 R)
• M13: 1,767,948 km (0.101 R)
• M14: 1,931,907 km (0.051 R)
• M15: 2,025,256 km (0.073 R)
• M16: 2,344,199 km (0.098 R)
• M17: 2,514,890 km (0.118 R)
• M18: 2,773,395 km (0.108 R)
• M19: 2,868,689 km (0.091 R)
• M20: 3,095,180 km (0.117 R)
• M21: 3,282,925 km (0.108 R)
• M22: 3,751,316 km (0.064 R)
• M23: 3,821,627 km (0.106 R)
• M24: 3,904,205 km (0.062 R)
• M25: 4,035,253 km (0.114 R)
• M26: 4,131,594 km (0.077 R)
• M27: 4,252,918 km (0.084 R)
• M28: 4,326,370 km (0.116 R)
• M29: 4,511,872 km (0.042 R)
• M30: 4,611,803 km (0.115 R)
• M31: 5,045,188 km (0.119 R)
• M32: 5,162,024 km (0.115 R)
• M33: 5,478,274 km (0.081 R)
• M34: 5,625,329 km (0.1 R)
• M35: 5,760,116 km (0.051 R)
• M36: 5,950,854 km (0.084 R)
• M37: 6,019,370 km (0.092 R)
• M38: 6,324,400 km (0.058 R)
• M39: 6,563,457 km (0.07 R)
• M40: 6,662,790 km (0.045 R)
• M41: 6,762,721 km (0.032 R)
• M42: 6,906,186 km (0.093 R)
• M43: 7,094,230 km (0.118 R)
• M44: 7,328,201 km (0.055 R)
• M45: 7,505,176 km (0.091 R)
• M46: 7,594,336 km (0.109 R)
• M47: 7,999,447 km (0.088 R)
• M48: 8,273,660 km (0.087 R)
• M49: 8,566,273 km (0.084 R)
• M50: 9,035,412 km (0.029 R)
• M51: 9,641,583 km (0.117 R)
• M52: 9,722,366 km (0.111 R)
• M53: 9,933,448 km (0.088 R)
• M54: 10,475,890 km (0.081 R)
• M55: 11,214,305 km (0.09 R)
• M56: 11,299,277 km (0.055 R)
• M57: 11,418,506 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.5

Radius: 14.4

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.23 AU - 2.33 AU

Year: 2258 Days

Day: 7.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 33,062,735 km

• M1: 242,349 km (0.106 R)
• M2: 370,255 km (0.104 R)
• M3: 492,925 km (0.118 R)
• M4: 593,156 km (0.087 R)
• M5: 693,685 km (0.106 R)
• M6: 1,087,427 km (0.108 R)
• M7: 1,407,866 km (0.061 R)
• M8: 1,847,982 km (0.025 R)
• M9: 2,017,477 km (0.098 R)
• M10: 2,178,893 km (0.065 R)
• M11: 2,471,955 km (0.093 R)
• M12: 2,704,131 km (0.076 R)
• M13: 3,050,450 km (0.095 R)
• M14: 3,687,288 km (0.082 R)
• M15: 4,226,439 km (0.107 R)
• M16: 4,594,001 km (0.068 R)
• M17: 4,736,867 km (0.07 R)
• M18: 4,935,533 km (0.075 R)
• M19: 5,155,741 km (0.045 R)
• M20: 5,567,734 km (0.11 R)
• M21: 5,720,174 km (0.027 R)
• M22: 5,893,408 km (0.107 R)
• M23: 6,166,424 km (0.111 R)
• M24: 6,344,147 km (0.037 R)
• M25: 6,463,675 km (0.088 R)
• M26: 6,583,802 km (0.109 R)
• M27: 6,846,945 km (0.085 R)
• M28: 6,948,971 km (0.116 R)
• M29: 7,320,871 km (0.102 R)
• M30: 7,614,532 km (0.085 R)
• M31: 7,955,166 km (0.109 R)
• M32: 8,062,577 km (0.086 R)
• M33: 8,431,635 km (0.089 R)
• M34: 8,895,089 km (0.087 R)
• M35: 9,141,178 km (0.068 R)
• M36: 9,457,727 km (0.067 R)
• M37: 9,754,978 km (0.119 R)
• M38: 10,546,949 km (0.097 R)
• M39: 10,688,917 km (0.116 R)
• M40: 11,238,839 km (0.048 R)
• M41: 11,651,281 km (0.106 R)
• M42: 11,945,390 km (0.11 R)
• M43: 12,291,709 km (0.089 R)
• M44: 13,478,469 km (0.112 R)
• M45: 13,709,897 km (0.114 R)
• M46: 13,916,641 km (0.12 R)
• M47: 14,176,642 km (0.072 R)
• M48: 14,596,115 km (0.119 R)
• M49: 14,860,304 km (0.101 R)
• M50: 15,072,883 km (0.038 R)
• M51: 15,554,738 km (0.082 R)
• M52: 15,662,448 km (0.111 R)
• M53: 15,824,612 km (0.063 R)
• M54: 15,960,148 km (0.103 R)
• M55: 16,809,116 km (0.092 R)
• M56: 17,169,497 km (0.112 R)
• M57: 17,336,748 km (0.096 R)
• M58: 17,448,497 km (0.065 R)
• M59: 17,560,546 km (0.101 R)
• M60: 17,785,242 km (0.093 R)
• M61: 18,351,320 km (0.118 R)
• M62: 18,751,196 km (0.12 R)
• M63: 19,125,041 km (0.12 R)
• M64: 19,327,297 km (0.091 R)
• M65: 19,559,323 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.2

Radius: 13.4

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.3 AU - 2.62 AU

Year: 2531 Days

Day: 10.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 33,062,735 km

• M1: 203,154 km (0.107 R)
• M2: 308,022 km (0.107 R)
• M3: 429,944 km (0.092 R)
• M4: 574,755 km (0.115 R)
• M5: 721,211 km (0.069 R)
• M6: 842,834 km (0.066 R)
• M7: 951,742 km (0.083 R)
• M8: 1,044,792 km (0.063 R)
• M9: 1,130,511 km (0.065 R)
• M10: 1,252,583 km (0.083 R)
• M11: 1,355,955 km (0.066 R)
• M12: 1,535,024 km (0.086 R)
• M13: 1,735,036 km (0.099 R)
• M14: 1,864,588 km (0.074 R)
• M15: 2,092,725 km (0.119 R)
• M16: 2,231,252 km (0.119 R)
• M17: 2,315,775 km (0.07 R)
• M18: 2,503,072 km (0.118 R)
• M19: 2,605,995 km (0.112 R)
• M20: 3,126,745 km (0.108 R)
• M21: 3,334,387 km (0.032 R)
• M22: 3,763,882 km (0.055 R)
• M23: 4,281,341 km (0.085 R)
• M24: 4,369,903 km (0.045 R)
• M25: 4,494,818 km (0.073 R)
• M26: 4,839,940 km (0.038 R)
• M27: 4,950,792 km (0.071 R)
• M28: 5,711,348 km (0.06 R)
• M29: 5,809,035 km (0.107 R)
• M30: 6,006,055 km (0.103 R)
• M31: 6,672,065 km (0.045 R)
• M32: 7,276,889 km (0.083 R)
• M33: 7,489,617 km (0.101 R)
• M34: 7,639,664 km (0.051 R)
• M35: 8,583,627 km (0.105 R)
• M36: 8,831,062 km (0.11 R)
• M37: 8,989,785 km (0.08 R)
• M38: 9,080,890 km (0.108 R)
• M39: 9,287,036 km (0.101 R)
• M40: 9,541,203 km (0.042 R)
• M41: 9,727,302 km (0.096 R)
• M42: 10,079,905 km (0.093 R)
• M43: 10,222,023 km (0.113 R)
• M44: 10,580,459 km (0.111 R)
• M45: 11,655,469 km (0.096 R)
• M46: 11,829,751 km (0.118 R)
• M47: 12,663,011 km (0.113 R)
• M48: 12,867,810 km (0.109 R)
• M49: 14,014,179 km (0.105 R)
• M50: 14,173,052 km (0.081 R)
• M51: 14,305,895 km (0.09 R)
• M52: 14,465,815 km (0.098 R)
• M53: 14,653,261 km (0.107 R)
• M54: 14,787,600 km (0.114 R)
• M55: 15,003,320 km (0.095 R)
• M56: 15,193,010 km (0.052 R)
• M57: 15,767,017 km (0.101 R)
• M58: 17,190,142 km (0.047 R)
• M59: 17,730,788 km (0.062 R)
• M60: 18,046,440 km (0.099 R)
• M61: 19,004,465 km (0.093 R)
• M62: 19,268,505 km (0.029 R)
• M63: 19,386,388 km (0.086 R)
• M64: 19,711,464 km (0.117 R)
• M65: 19,949,175 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.3

Radius: 11.8

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.16 AU - 6.2 AU

Year: 8880 Days

Day: 13.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 33,062,735 km

• M1: 147,504 km (0.117 R)
• M2: 260,899 km (0.107 R)
• M3: 532,120 km (0.089 R)
• M4: 952,490 km (0.117 R)
• M5: 1,035,965 km (0.115 R)
• M6: 1,236,875 km (0.036 R)
• M7: 1,591,273 km (0.12 R)
• M8: 1,780,514 km (0.114 R)
• M9: 2,039,318 km (0.076 R)
• M10: 2,197,443 km (0.082 R)
• M11: 2,425,729 km (0.073 R)
• M12: 2,765,616 km (0.048 R)
• M13: 2,870,484 km (0.079 R)
• M14: 3,175,364 km (0.094 R)
• M15: 3,796,944 km (0.085 R)
• M16: 4,579,789 km (0.108 R)
• M17: 5,477,676 km (0.107 R)
• M18: 6,313,180 km (0.062 R)
• M19: 6,876,416 km (0.119 R)
• M20: 7,285,117 km (0.066 R)
• M21: 7,480,342 km (0.071 R)
• M22: 8,354,293 km (0.112 R)
• M23: 8,712,879 km (0.108 R)
• M24: 8,894,192 km (0.089 R)
• M25: 9,339,545 km (0.111 R)
• M26: 9,551,674 km (0.076 R)
• M27: 10,334,071 km (0.06 R)
• M28: 10,830,138 km (0.088 R)
• M29: 11,503,478 km (0.096 R)
• M30: 11,702,593 km (0.12 R)
• M31: 15,349,789 km (0.116 R)
• M32: 16,137,272 km (0.093 R)
• M33: 17,002,696 km (0.101 R)
• M34: 17,099,785 km (0.12 R)
• M35: 17,262,098 km (0.108 R)
• M36: 17,522,698 km (0.095 R)
• M37: 17,981,963 km (0.102 R)
• M38: 18,578,260 km (0.095 R)
• M39: 19,147,480 km (0.093 R)
• M40: 19,484,973 km (0.093 R)
• M41: 20,681,606 km (0.097 R)
• M42: 21,201,758 km (0.052 R)
• M43: 21,306,327 km (0.116 R)
• M44: 22,184,167 km (0.069 R)
• M45: 22,787,944 km (0.119 R)
• M46: 23,433,160 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.8

Radius: 6.7

Gravity: 20.42 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.59 AU - 8.57 AU

Year: 13690 Days

Day: 16.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 33,062,735 km

• M1: 179,667 km (0.11 R)
• M2: 227,538 km (0.087 R)
• M3: 340,485 km (0.071 R)
• M4: 603,627 km (0.093 R)
• M5: 876,943 km (0.052 R)
• M6: 1,039,256 km (0.07 R)
• M7: 1,186,162 km (0.089 R)
• M8: 1,666,819 km (0.037 R)
• M9: 1,957,937 km (0.036 R)
• M10: 2,787,158 km (0.084 R)
• M11: 2,923,442 km (0.116 R)
• M12: 4,363,770 km (0.105 R)
• M13: 4,562,286 km (0.098 R)
• M14: 4,763,795 km (0.046 R)
• M15: 5,009,285 km (0.025 R)
• M16: 5,512,831 km (0.083 R)
• M17: 5,727,504 km (0.083 R)
• M18: 6,120,647 km (0.077 R)
• M19: 7,826,811 km (0.109 R)
• M20: 8,019,643 km (0.093 R)
• M21: 8,656,930 km (0.089 R)
• M22: 8,706,596 km (0.103 R)
• M23: 9,566,036 km (0.048 R)
• M24: 10,136,453 km (0.082 R)
• M25: 10,346,638 km (0.1 R)
• M26: 10,878,308 km (0.052 R)
• M27: 12,134,781 km (0.09 R)
• M28: 12,190,431 km (0.11 R)
• M29: 12,470,030 km (0.033 R)
• M30: 12,695,324 km (0.069 R)
• M31: 13,149,653 km (0.081 R)
• M32: 14,133,109 km (0.037 R)
• M33: 14,250,244 km (0.12 R)
• M34: 14,367,828 km (0.109 R)
• M35: 14,722,525 km (0.092 R)
• M36: 16,415,374 km (0.046 R)
• M37: 17,097,092 km (0.059 R)
• M38: 19,392,073 km (0.108 R)
• M39: 19,457,148 km (0.054 R)
• M40: 19,849,393 km (0.054 R)
• M41: 20,974,968 km (0.076 R)
• M42: 21,175,728 km (0.075 R)
• M43: 21,511,875 km (0.088 R)
• M44: 21,646,812 km (0.091 R)
• M45: 22,873,514 km (0.1 R)
• M46: 23,080,259 km (0.11 R)
• M47: 24,052,794 km (0.114 R)
• M48: 24,192,818 km (0.083 R)
• M49: 24,544,074 km (0.074 R)
• M50: 25,679,522 km (0.109 R)
• M51: 27,268,550 km (0.075 R)
• M52: 27,927,678 km (0.102 R)
• M53: 28,001,281 km (0.083 R)
• M54: 28,517,992 km (0.079 R)
• M55: 28,963,494 km (0.066 R)
• M56: 29,411,241 km (0.028 R)
• M57: 29,710,885 km (0.082 R)
• M58: 29,861,231 km (0.117 R)
• M59: 30,920,085 km (0.093 R)
• M60: 33,152,534 km (0.107 R)
• M61: 33,230,474 km (0.12 R)
• M62: 34,091,410 km (0.092 R)
• M63: 34,327,475 km (0.115 R)
• M64: 34,959,676 km (0.098 R)
• M65: 35,118,250 km (0.103 R)
• M66: 35,675,352 km (0.055 R)
• M67: 36,155,262 km (0.09 R)
• M68: 37,040,582 km (0.112 R)
• M69: 37,526,626 km (0.109 R)
• M70: 37,688,940 km (0.089 R)
• M71: 40,569,447 km (0.116 R)
• M72: 40,736,099 km (0.113 R)
• M73: 41,405,250 km (0.091 R)
• M74: 41,657,173 km (0.096 R)
• M75: 43,009,089 km (0.094 R)
• M76: 44,547,104 km (0.092 R)
• M77: 44,633,123 km (0.1 R)
• M78: 45,495,854 km (0.12 R)
• M79: 45,842,622 km (0.103 R)
• M80: 49,179,253 km (0.079 R)
• M81: 49,891,638 km (0.059 R)
• M82: 50,070,407 km (0.116 R)
• M83: 53,139,408 km (0.1 R)
• M84: 54,696,721 km (0.083 R)
• M85: 57,855,929 km (0.066 R)
• M86: 58,796,302 km (0.079 R)
• M87: 59,362,978 km (0.105 R)
• M88: 59,457,674 km (0.104 R)
• M89: 61,073,929 km (0.055 R)
• M90: 62,031,355 km (0.114 R)
• M91: 63,186,849 km (0.057 R)
• M92: 64,252,285 km (0.095 R)
• M93: 64,349,374 km (0.12 R)
• M94: 65,128,331 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119

Radius: 4.7

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.46 AU - 7.74 AU

Year: 13745 Days

Day: 24 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 33,062,735 km

• M1: 70,161 km (0.08 R)
• M2: 405,560 km (0.111 R)
• M3: 1,447,659 km (0.108 R)
• M4: 1,534,575 km (0.109 R)
• M5: 1,605,484 km (0.083 R)
• M6: 1,824,496 km (0.096 R)
• M7: 2,392,220 km (0.104 R)
• M8: 2,557,974 km (0.112 R)
• M9: 2,966,227 km (0.117 R)
• M10: 3,534,100 km (0.074 R)
• M11: 3,963,296 km (0.094 R)
• M12: 4,159,270 km (0.109 R)
• M13: 4,358,534 km (0.084 R)
• M14: 4,408,799 km (0.083 R)
• M15: 5,159,481 km (0.056 R)
• M16: 5,810,232 km (0.11 R)
• M17: 6,230,003 km (0.118 R)
• M18: 7,157,660 km (0.107 R)
• M19: 7,576,983 km (0.084 R)
• M20: 7,728,675 km (0.031 R)
• M21: 7,973,417 km (0.109 R)
• M22: 8,376,583 km (0.087 R)
• M23: 8,754,767 km (0.081 R)
• M24: 9,560,052 km (0.082 R)
• M25: 9,888,868 km (0.115 R)
• M26: 12,398,672 km (0.099 R)
• M27: 14,561,558 km (0.063 R)
• M28: 14,599,256 km (0.071 R)
• M29: 14,636,955 km (0.089 R)
• M30: 14,750,200 km (0.095 R)
• M31: 18,769,895 km (0.077 R)
• M32: 20,348,302 km (0.103 R)
• M33: 20,390,339 km (0.067 R)
• M34: 20,855,439 km (0.087 R)
• M35: 21,195,924 km (0.042 R)
• M36: 21,624,073 km (0.115 R)
• M37: 23,232,998 km (0.084 R)
• M38: 23,718,742 km (0.112 R)
• M39: 24,074,037 km (0.119 R)
• M40: 24,297,088 km (0.07 R)
• M41: 25,467,542 km (0.063 R)
• M42: 25,512,870 km (0.078 R)
• M43: 26,014,023 km (0.062 R)
• M44: 26,151,204 km (0.071 R)
• M45: 26,979,527 km (0.074 R)
• M46: 27,536,480 km (0.116 R)
• M47: 28,614,632 km (0.086 R)
• M48: 30,329,622 km (0.107 R)
• M49: 31,102,445 km (0.078 R)
• M50: 32,914,374 km (0.071 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 10,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit