🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.6

Radius: 12.4

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.17 AU - 4.79 AU

Year: 5127 Days

Day: 8.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 75.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 39,507,433 km

• M1: 157,227 km (0.083 R)
• M2: 280,197 km (0.114 R)
• M3: 445,802 km (0.117 R)
• M4: 579,243 km (0.107 R)
• M5: 689,945 km (0.093 R)
• M6: 768,185 km (0.106 R)
• M7: 949,647 km (0.056 R)
• M8: 1,241,513 km (0.076 R)
• M9: 1,323,343 km (0.069 R)
• M10: 1,544,897 km (0.116 R)
• M11: 1,742,067 km (0.063 R)
• M12: 1,853,218 km (0.11 R)
• M13: 1,947,764 km (0.097 R)
• M14: 2,102,598 km (0.088 R)
• M15: 2,363,048 km (0.081 R)
• M16: 2,570,690 km (0.076 R)
• M17: 3,939,660 km (0.118 R)
• M18: 4,363,321 km (0.106 R)
• M19: 4,542,091 km (0.07 R)
• M20: 4,801,643 km (0.042 R)
• M21: 4,880,481 km (0.065 R)
• M22: 4,986,247 km (0.092 R)
• M23: 5,554,419 km (0.111 R)
• M24: 5,748,448 km (0.072 R)
• M25: 6,086,240 km (0.093 R)
• M26: 7,289,156 km (0.101 R)
• M27: 7,840,275 km (0.072 R)
• M28: 8,026,973 km (0.09 R)
• M29: 8,183,752 km (0.069 R)
• M30: 8,373,142 km (0.12 R)
• M31: 9,177,979 km (0.062 R)
• M32: 9,672,849 km (0.097 R)
• M33: 9,940,330 km (0.112 R)
• M34: 10,244,163 km (0.081 R)
• M35: 10,723,026 km (0.059 R)
• M36: 11,279,231 km (0.039 R)
• M37: 12,095,137 km (0.105 R)
• M38: 13,336,201 km (0.073 R)
• M39: 13,559,401 km (0.058 R)
• M40: 14,236,481 km (0.036 R)
• M41: 14,924,632 km (0.11 R)
• M42: 15,311,492 km (0.071 R)
• M43: 15,428,328 km (0.086 R)
• M44: 15,819,526 km (0.04 R)
• M45: 16,652,038 km (0.045 R)
• M46: 17,134,043 km (0.068 R)
• M47: 17,336,299 km (0.098 R)
• M48: 17,579,994 km (0.084 R)
• M49: 18,690,758 km (0.084 R)
• M50: 19,570,393 km (0.045 R)
• M51: 19,697,103 km (0.109 R)
• M52: 20,592,147 km (0.035 R)
• M53: 20,764,035 km (0.087 R)
• M54: 21,066,223 km (0.108 R)
• M55: 21,326,373 km (0.034 R)
• M56: 21,631,254 km (0.053 R)
• M57: 21,718,619 km (0.112 R)
• M58: 21,893,648 km (0.107 R)
• M59: 21,981,313 km (0.101 R)
• M60: 22,687,415 km (0.115 R)
• M61: 22,864,987 km (0.044 R)
• M62: 22,998,578 km (0.102 R)
• M63: 23,132,319 km (0.063 R)
• M64: 24,121,609 km (0.095 R)
• M65: 24,712,521 km (0.117 R)
• M66: 24,895,330 km (0.066 R)
• M67: 25,170,440 km (0.099 R)
• M68: 25,677,427 km (0.113 R)
• M69: 26,374,105 km (0.03 R)
• M70: 26,467,454 km (0.096 R)
• M71: 26,889,020 km (0.105 R)
• M72: 26,982,968 km (0.106 R)
• M73: 27,786,159 km (0.115 R)
• M74: 28,357,772 km (0.108 R)
• M75: 28,933,275 km (0.079 R)
• M76: 29,270,918 km (0.12 R)
• M77: 29,755,316 km (0.036 R)
• M78: 29,949,943 km (0.078 R)
• M79: 31,868,685 km (0.076 R)
• M80: 32,167,432 km (0.103 R)
• M81: 32,667,238 km (0.104 R)
• M82: 32,867,999 km (0.105 R)
• M83: 33,826,921 km (0.056 R)

Planet 2 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.1

Radius: 7.4

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.91 AU - 7.35 AU

Year: 11023 Days

Day: 22.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 39,507,433 km

• M1: 121,324 km (0.064 R)
• M2: 186,249 km (0.095 R)
• M3: 257,907 km (0.119 R)
• M4: 333,753 km (0.095 R)
• M5: 464,352 km (0.093 R)
• M6: 551,119 km (0.099 R)
• M7: 601,832 km (0.073 R)
• M8: 719,715 km (0.04 R)
• M9: 822,040 km (0.025 R)
• M10: 1,238,371 km (0.116 R)
• M11: 1,306,737 km (0.118 R)
• M12: 1,390,512 km (0.118 R)
• M13: 1,962,275 km (0.077 R)
• M14: 2,026,303 km (0.08 R)
• M15: 2,374,567 km (0.063 R)
• M16: 2,634,718 km (0.088 R)
• M17: 2,867,642 km (0.033 R)
• M18: 2,922,394 km (0.086 R)
• M19: 3,353,535 km (0.094 R)
• M20: 3,966,139 km (0.119 R)
• M21: 4,150,443 km (0.078 R)
• M22: 4,274,759 km (0.066 R)
• M23: 4,506,187 km (0.032 R)
• M24: 4,806,580 km (0.119 R)
• M25: 4,959,319 km (0.113 R)
• M26: 5,069,273 km (0.12 R)
• M27: 5,291,875 km (0.04 R)
• M28: 5,585,835 km (0.061 R)
• M29: 5,746,503 km (0.078 R)
• M30: 6,547,899 km (0.118 R)
• M31: 6,912,618 km (0.102 R)
• M32: 7,384,001 km (0.092 R)
• M33: 7,434,266 km (0.118 R)
• M34: 7,942,899 km (0.084 R)
• M35: 8,020,091 km (0.078 R)
• M36: 8,620,727 km (0.073 R)
• M37: 8,726,792 km (0.107 R)
• M38: 9,617,198 km (0.063 R)
• M39: 11,164,639 km (0.054 R)
• M40: 11,805,067 km (0.043 R)
• M41: 12,308,015 km (0.107 R)
• M42: 12,367,705 km (0.07 R)
• M43: 12,517,153 km (0.046 R)
• M44: 12,637,280 km (0.114 R)
• M45: 13,060,493 km (0.111 R)
• M46: 13,182,265 km (0.082 R)
• M47: 13,273,819 km (0.061 R)
• M48: 14,326,390 km (0.041 R)
• M49: 14,514,883 km (0.117 R)
• M50: 14,862,698 km (0.088 R)
• M51: 15,245,220 km (0.106 R)
• M52: 15,309,248 km (0.064 R)
• M53: 15,437,752 km (0.1 R)
• M54: 15,534,243 km (0.112 R)
• M55: 15,695,659 km (0.072 R)
• M56: 15,760,285 km (0.111 R)
• M57: 16,412,233 km (0.104 R)
• M58: 16,543,729 km (0.117 R)
• M59: 16,774,559 km (0.12 R)
• M60: 16,940,014 km (0.046 R)
• M61: 17,373,100 km (0.039 R)
• M62: 18,148,017 km (0.071 R)
• M63: 18,488,502 km (0.082 R)
• M64: 18,831,081 km (0.091 R)
• M65: 18,899,896 km (0.046 R)
• M66: 19,418,252 km (0.08 R)
• M67: 19,731,510 km (0.052 R)
• M68: 20,081,569 km (0.04 R)
• M69: 20,327,957 km (0.103 R)
• M70: 20,646,002 km (0.117 R)
• M71: 20,716,912 km (0.086 R)
• M72: 20,965,842 km (0.094 R)
• M73: 21,287,179 km (0.088 R)
• M74: 21,502,300 km (0.087 R)
• M75: 21,682,267 km (0.099 R)
• M76: 22,516,125 km (0.108 R)
• M77: 22,771,937 km (0.04 R)
• M78: 23,102,250 km (0.09 R)
• M79: 23,286,554 km (0.09 R)
• M80: 23,360,306 km (0.101 R)
• M81: 23,582,309 km (0.066 R)
• M82: 23,730,710 km (0.116 R)
• M83: 23,991,011 km (0.054 R)
• M84: 24,514,603 km (0.084 R)
• M85: 24,966,389 km (0.108 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.1

Radius: 5.6

Gravity: 22.93 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.21 AU - 7.05 AU

Year: 11023 Days

Day: 18.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 39,507,433 km

• M1: 155,582 km (0.111 R)
• M2: 274,811 km (0.112 R)
• M3: 532,568 km (0.065 R)
• M4: 650,003 km (0.109 R)
• M5: 757,564 km (0.097 R)
• M6: 969,993 km (0.114 R)
• M7: 1,031,029 km (0.089 R)
• M8: 1,378,844 km (0.084 R)
• M9: 1,424,770 km (0.047 R)
• M10: 1,518,269 km (0.077 R)
• M11: 1,989,502 km (0.032 R)
• M12: 2,067,742 km (0.071 R)
• M13: 2,474,947 km (0.119 R)
• M14: 2,965,628 km (0.09 R)
• M15: 3,772,709 km (0.099 R)
• M16: 3,837,485 km (0.11 R)
• M17: 5,945,917 km (0.092 R)
• M18: 6,951,963 km (0.099 R)
• M19: 8,134,983 km (0.034 R)
• M20: 8,302,981 km (0.103 R)
• M21: 8,557,148 km (0.102 R)
• M22: 8,770,923 km (0.084 R)
• M23: 8,900,026 km (0.101 R)
• M24: 9,203,859 km (0.106 R)
• M25: 9,335,057 km (0.106 R)
• M26: 10,090,227 km (0.099 R)
• M27: 11,189,472 km (0.097 R)
• M28: 11,658,611 km (0.053 R)
• M29: 11,895,574 km (0.111 R)
• M30: 11,943,296 km (0.072 R)
• M31: 12,086,311 km (0.114 R)
• M32: 12,134,182 km (0.083 R)
• M33: 12,182,203 km (0.085 R)
• M34: 12,422,607 km (0.114 R)
• M35: 12,713,276 km (0.032 R)
• M36: 13,055,257 km (0.107 R)
• M37: 13,598,596 km (0.116 R)
• M38: 14,300,958 km (0.107 R)
• M39: 15,221,135 km (0.106 R)
• M40: 15,584,059 km (0.077 R)
• M41: 15,740,538 km (0.099 R)
• M42: 15,949,975 km (0.096 R)
• M43: 16,212,968 km (0.101 R)
• M44: 16,371,542 km (0.075 R)
• M45: 16,583,672 km (0.041 R)
• M46: 16,690,186 km (0.115 R)
• M47: 17,333,456 km (0.118 R)
• M48: 17,495,471 km (0.069 R)
• M49: 18,423,576 km (0.113 R)
• M50: 19,088,240 km (0.057 R)
• M51: 19,367,539 km (0.071 R)
• M52: 20,384,056 km (0.096 R)
• M53: 20,498,050 km (0.038 R)
• M54: 22,058,056 km (0.12 R)
• M55: 22,763,560 km (0.084 R)
• M56: 23,476,394 km (0.067 R)
• M57: 25,229,083 km (0.119 R)
• M58: 25,781,697 km (0.059 R)
• M59: 25,966,750 km (0.118 R)
• M60: 26,524,450 km (0.051 R)
• M61: 26,836,063 km (0.067 R)
• M62: 27,023,659 km (0.102 R)
• M63: 29,565,476 km (0.067 R)
• M64: 29,823,832 km (0.056 R)
• M65: 29,953,234 km (0.117 R)
• M66: 30,212,786 km (0.102 R)
• M67: 30,472,937 km (0.084 R)
• M68: 30,930,257 km (0.085 R)
• M69: 31,258,176 km (0.088 R)
• M70: 31,323,849 km (0.06 R)
• M71: 31,521,319 km (0.042 R)
• M72: 32,648,090 km (0.116 R)
• M73: 33,990,581 km (0.079 R)
• M74: 34,328,971 km (0.117 R)
• M75: 34,396,739 km (0.085 R)
• M76: 34,600,492 km (0.119 R)
• M77: 34,736,476 km (0.055 R)
• M78: 34,804,543 km (0.068 R)
• M79: 35,556,422 km (0.099 R)
• M80: 35,625,087 km (0.107 R)
• M81: 35,693,753 km (0.098 R)
• M82: 35,762,418 km (0.071 R)
• M83: 36,106,643 km (0.076 R)
• M84: 37,215,462 km (0.079 R)
• M85: 37,564,175 km (0.079 R)
• M86: 39,395,253 km (0.111 R)
• M87: 39,466,312 km (0.079 R)
• M88: 39,822,056 km (0.077 R)
• M89: 40,321,712 km (0.111 R)
• M90: 40,536,535 km (0.119 R)
• M91: 41,327,309 km (0.093 R)
• M92: 41,471,671 km (0.109 R)
• M93: 43,730,450 km (0.093 R)
• M94: 45,953,923 km (0.11 R)
• M95: 48,289,893 km (0.078 R)
• M96: 50,741,503 km (0.08 R)
• M97: 50,973,380 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.6

Radius: 6.2

Gravity: 23.14 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.74 AU - 9 AU

Year: 12919 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 39,507,433 km

• M1: 383,120 km (0.118 R)
• M2: 1,056,759 km (0.088 R)
• M3: 1,103,733 km (0.054 R)
• M4: 1,349,672 km (0.119 R)
• M5: 1,400,834 km (0.103 R)
• M6: 1,919,939 km (0.096 R)
• M7: 2,007,005 km (0.09 R)
• M8: 2,275,982 km (0.105 R)
• M9: 3,048,356 km (0.052 R)
• M10: 3,218,748 km (0.105 R)
• M11: 4,154,183 km (0.114 R)
• M12: 4,267,279 km (0.053 R)
• M13: 4,343,275 km (0.081 R)
• M14: 4,612,701 km (0.11 R)
• M15: 4,729,836 km (0.028 R)
• M16: 5,087,076 km (0.116 R)
• M17: 5,494,281 km (0.105 R)
• M18: 5,618,447 km (0.05 R)
• M19: 5,743,661 km (0.109 R)
• M20: 5,954,294 km (0.12 R)
• M21: 7,225,278 km (0.083 R)
• M22: 7,914,475 km (0.094 R)
• M23: 7,961,150 km (0.085 R)
• M24: 9,011,626 km (0.113 R)
• M25: 9,060,395 km (0.094 R)
• M26: 9,158,232 km (0.058 R)
• M27: 9,453,837 km (0.097 R)
• M28: 10,822,209 km (0.079 R)
• M29: 11,875,229 km (0.077 R)
• M30: 11,982,341 km (0.071 R)
• M31: 12,359,776 km (0.077 R)
• M32: 12,413,931 km (0.12 R)
• M33: 12,577,142 km (0.096 R)
• M34: 13,459,320 km (0.1 R)
• M35: 14,020,761 km (0.033 R)
• M36: 14,877,209 km (0.105 R)
• M37: 15,633,127 km (0.074 R)
• M38: 16,222,991 km (0.085 R)
• M39: 16,282,382 km (0.112 R)
• M40: 16,341,922 km (0.077 R)
• M41: 16,940,612 km (0.058 R)
• M42: 17,363,825 km (0.089 R)
• M43: 17,424,711 km (0.087 R)
• M44: 17,546,334 km (0.115 R)
• M45: 18,716,938 km (0.049 R)
• M46: 19,029,148 km (0.087 R)
• M47: 19,343,154 km (0.11 R)
• M48: 20,039,832 km (0.083 R)
• M49: 20,551,606 km (0.074 R)
• M50: 20,615,933 km (0.031 R)
• M51: 21,392,496 km (0.114 R)
• M52: 25,072,603 km (0.093 R)
• M53: 25,416,678 km (0.087 R)
• M54: 25,693,135 km (0.069 R)
• M55: 26,949,308 km (0.118 R)
• M56: 27,090,230 km (0.081 R)
• M57: 27,231,300 km (0.064 R)
• M58: 27,514,040 km (0.102 R)
• M59: 27,869,036 km (0.093 R)
• M60: 27,940,245 km (0.103 R)
• M61: 28,942,999 km (0.072 R)
• M62: 30,469,047 km (0.092 R)
• M63: 31,872,126 km (0.111 R)
• M64: 32,319,573 km (0.068 R)
• M65: 32,769,114 km (0.114 R)
• M66: 33,826,173 km (0.078 R)
• M67: 34,587,925 km (0.063 R)
• M68: 34,894,302 km (0.118 R)
• M69: 35,432,405 km (0.09 R)
• M70: 35,741,175 km (0.087 R)
• M71: 36,050,843 km (0.104 R)
• M72: 36,283,767 km (0.069 R)
• M73: 36,594,930 km (0.06 R)
• M74: 37,063,471 km (0.108 R)
• M75: 37,455,417 km (0.099 R)
• M76: 37,770,022 km (0.081 R)
• M77: 39,196,288 km (0.102 R)
• M78: 39,595,564 km (0.096 R)
• M79: 40,076,522 km (0.114 R)
• M80: 40,478,790 km (0.056 R)
• M81: 41,044,121 km (0.049 R)
• M82: 41,612,293 km (0.042 R)
• M83: 42,019,499 km (0.072 R)
• M84: 44,158,898 km (0.083 R)
• M85: 44,324,952 km (0.075 R)
• M86: 45,325,612 km (0.109 R)
• M87: 47,774,080 km (0.066 R)
• M88: 50,092,249 km (0.114 R)
• M89: 50,612,251 km (0.081 R)
• M90: 53,239,489 km (0.089 R)
• M91: 53,592,988 km (0.076 R)
• M92: 54,391,542 km (0.11 R)
• M93: 54,480,553 km (0.085 R)
• M94: 57,534,144 km (0.119 R)
• M95: 59,081,585 km (0.101 R)
• M96: 60,919,694 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.5

Radius: 7.1

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.78 AU - 8.52 AU

Year: 13662 Days

Day: 18.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 39,507,433 km

• M1: 89,609 km (0.114 R)
• M2: 191,485 km (0.114 R)
• M3: 368,908 km (0.107 R)
• M4: 638,933 km (0.034 R)
• M5: 914,193 km (0.088 R)
• M6: 1,134,999 km (0.067 R)
• M7: 1,260,811 km (0.084 R)
• M8: 1,605,634 km (0.048 R)
• M9: 1,706,463 km (0.118 R)
• M10: 1,872,367 km (0.077 R)
• M11: 2,332,680 km (0.101 R)
• M12: 2,682,439 km (0.075 R)
• M13: 2,754,396 km (0.12 R)
• M14: 2,802,716 km (0.112 R)
• M15: 3,613,985 km (0.089 R)
• M16: 3,800,833 km (0.059 R)
• M17: 3,881,766 km (0.11 R)
• M18: 4,351,652 km (0.09 R)
• M19: 4,550,318 km (0.118 R)
• M20: 5,374,752 km (0.089 R)
• M21: 6,597,864 km (0.111 R)
• M22: 6,925,035 km (0.11 R)
• M23: 7,527,017 km (0.114 R)
• M24: 8,250,472 km (0.115 R)
• M25: 8,745,192 km (0.09 R)
• M26: 8,852,304 km (0.098 R)
• M27: 8,996,068 km (0.117 R)
• M28: 9,212,985 km (0.102 R)
• M29: 9,505,000 km (0.103 R)
• M30: 9,762,907 km (0.089 R)
• M31: 10,173,104 km (0.093 R)
• M32: 10,399,146 km (0.076 R)
• M33: 11,164,489 km (0.116 R)
• M34: 11,711,120 km (0.118 R)
• M35: 12,027,370 km (0.077 R)
• M36: 12,146,749 km (0.12 R)
• M37: 12,708,788 km (0.106 R)
• M38: 13,320,344 km (0.084 R)
• M39: 13,983,212 km (0.059 R)
• M40: 15,860,965 km (0.091 R)
• M41: 17,096,643 km (0.108 R)
• M42: 17,816,508 km (0.055 R)
• M43: 18,362,839 km (0.119 R)
• M44: 18,914,706 km (0.086 R)
• M45: 19,518,782 km (0.083 R)
• M46: 19,940,648 km (0.058 R)
• M47: 20,318,233 km (0.109 R)
• M48: 20,412,929 km (0.061 R)
• M49: 21,754,971 km (0.039 R)
• M50: 22,192,246 km (0.09 R)
• M51: 22,632,512 km (0.075 R)
• M52: 22,878,451 km (0.044 R)
• M53: 23,273,539 km (0.079 R)
• M54: 24,070,746 km (0.115 R)
• M55: 24,120,861 km (0.077 R)
• M56: 24,321,771 km (0.074 R)
• M57: 24,472,716 km (0.106 R)
• M58: 26,463,714 km (0.079 R)
• M59: 26,567,235 km (0.115 R)
• M60: 27,347,688 km (0.076 R)
• M61: 27,977,644 km (0.09 R)
• M62: 28,188,577 km (0.098 R)
• M63: 28,400,109 km (0.063 R)
• M64: 29,198,213 km (0.082 R)
• M65: 29,626,811 km (0.109 R)
• M66: 29,680,517 km (0.062 R)
• M67: 29,895,638 km (0.091 R)
• M68: 30,165,513 km (0.057 R)
• M69: 30,273,523 km (0.12 R)
• M70: 30,761,810 km (0.094 R)
• M71: 30,979,475 km (0.065 R)
• M72: 31,252,491 km (0.103 R)
• M73: 31,581,158 km (0.099 R)
• M74: 32,629,240 km (0.075 R)
• M75: 33,129,795 km (0.118 R)
• M76: 33,352,995 km (0.09 R)
• M77: 33,801,040 km (0.103 R)
• M78: 33,857,140 km (0.092 R)
• M79: 34,025,736 km (0.114 R)
• M80: 34,082,135 km (0.101 R)
• M81: 34,307,429 km (0.068 R)
• M82: 34,476,774 km (0.089 R)
• M83: 35,156,996 km (0.049 R)
• M84: 35,784,409 km (0.115 R)
• M85: 36,588,198 km (0.06 R)
• M86: 37,514,209 km (0.112 R)
• M87: 37,921,714 km (0.03 R)
• M88: 38,565,134 km (0.109 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: 558 - 16,262 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit