🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.8 AU - 0.88 AU

Year: 295 Days

Day: 30.4 Hours

Environment

Temp: 17 °C

Axial Tilt: 125.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.71 AU - 1.03 AU

Year: 311 Days

Day: 22.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 22.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.55 AU - 1.75 AU

Year: 812 Days

Day: 18.3 Hours

Environment

Temp: -55 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,414,174 km

• M1: 1,368,521 km (0.091 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.53 AU - 1.95 AU

Year: 879 Days

Day: 38.7 Hours

Environment

Temp: -63 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.52 AU - 2.32 AU

Year: 1019 Days

Day: 22.1 Hours

Environment

Temp: -69 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,414,174 km

• M1: 433,684 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.8

Radius: 13

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.65 AU - 5.13 AU

Year: 4140 Days

Day: 11.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 74,414,174 km

• M1: 166,502 km (0.114 R)
• M2: 308,620 km (0.062 R)
• M3: 426,952 km (0.104 R)
• M4: 514,467 km (0.093 R)
• M5: 1,019,210 km (0.111 R)
• M6: 1,977,534 km (0.047 R)
• M7: 2,192,506 km (0.109 R)
• M8: 2,472,105 km (0.104 R)
• M9: 2,903,545 km (0.105 R)
• M10: 3,128,241 km (0.102 R)
• M11: 3,508,519 km (0.089 R)
• M12: 3,616,828 km (0.079 R)
• M13: 3,836,886 km (0.103 R)
• M14: 3,948,486 km (0.069 R)
• M15: 4,061,283 km (0.093 R)
• M16: 4,476,417 km (0.046 R)
• M17: 4,713,081 km (0.07 R)
• M18: 4,929,549 km (0.066 R)
• M19: 5,198,825 km (0.056 R)
• M20: 5,422,624 km (0.061 R)
• M21: 5,675,145 km (0.037 R)
• M22: 6,429,268 km (0.052 R)
• M23: 6,831,836 km (0.112 R)
• M24: 7,049,949 km (0.09 R)
• M25: 7,325,808 km (0.106 R)
• M26: 7,859,872 km (0.102 R)
• M27: 8,117,180 km (0.086 R)
• M28: 8,203,648 km (0.103 R)
• M29: 8,464,696 km (0.113 R)
• M30: 9,597,451 km (0.062 R)
• M31: 9,688,856 km (0.12 R)
• M32: 10,462,426 km (0.096 R)
• M33: 10,904,338 km (0.076 R)
• M34: 10,999,782 km (0.099 R)
• M35: 11,481,487 km (0.084 R)
• M36: 12,233,366 km (0.08 R)
• M37: 12,465,392 km (0.061 R)
• M38: 12,698,914 km (0.111 R)
• M39: 12,866,614 km (0.087 R)
• M40: 13,442,266 km (0.06 R)
• M41: 13,716,030 km (0.075 R)
• M42: 15,469,018 km (0.084 R)
• M43: 15,828,053 km (0.095 R)
• M44: 16,371,841 km (0.032 R)
• M45: 16,884,812 km (0.101 R)
• M46: 17,440,419 km (0.103 R)
• M47: 19,104,546 km (0.083 R)
• M48: 19,451,164 km (0.08 R)
• M49: 19,567,102 km (0.059 R)
• M50: 20,228,923 km (0.082 R)
• M51: 20,424,896 km (0.096 R)
• M52: 20,739,950 km (0.076 R)
• M53: 20,977,212 km (0.081 R)
• M54: 21,494,372 km (0.095 R)
• M55: 22,015,870 km (0.118 R)
• M56: 22,136,745 km (0.028 R)
• M57: 22,379,243 km (0.089 R)
• M58: 22,460,325 km (0.104 R)
• M59: 22,907,772 km (0.099 R)
• M60: 23,440,341 km (0.116 R)
• M61: 25,146,804 km (0.09 R)
• M62: 25,273,363 km (0.065 R)
• M63: 25,866,070 km (0.049 R)
• M64: 26,036,313 km (0.052 R)
• M65: 26,164,219 km (0.118 R)
• M66: 26,506,349 km (0.059 R)
• M67: 26,807,041 km (0.093 R)
• M68: 27,368,182 km (0.069 R)
• M69: 28,151,776 km (0.096 R)
• M70: 28,546,266 km (0.093 R)
• M71: 28,810,306 km (0.12 R)
• M72: 28,942,700 km (0.098 R)
• M73: 29,163,656 km (0.112 R)
• M74: 29,252,218 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.9

Radius: 8.5

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.75 AU - 5.51 AU

Year: 4449 Days

Day: 14 Hours

Environment

Temp: -146 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 74,414,174 km

• M1: 108,010 km (0.099 R)
• M2: 192,383 km (0.064 R)
• M3: 248,332 km (0.102 R)
• M4: 408,402 km (0.09 R)
• M5: 495,767 km (0.03 R)
• M6: 698,921 km (0.105 R)
• M7: 1,100,741 km (0.091 R)
• M8: 1,227,600 km (0.049 R)
• M9: 1,340,397 km (0.072 R)
• M10: 1,476,381 km (0.047 R)
• M11: 1,627,326 km (0.12 R)
• M12: 1,762,263 km (0.073 R)
• M13: 1,868,627 km (0.119 R)
• M14: 2,132,817 km (0.077 R)
• M15: 2,292,587 km (0.081 R)
• M16: 2,409,124 km (0.11 R)
• M17: 2,832,336 km (0.046 R)
• M18: 2,944,984 km (0.066 R)
• M19: 3,174,916 km (0.084 R)
• M20: 3,384,053 km (0.049 R)
• M21: 3,679,210 km (0.037 R)
• M22: 3,912,882 km (0.118 R)
• M23: 4,151,491 km (0.088 R)
• M24: 4,366,014 km (0.113 R)
• M25: 4,613,598 km (0.053 R)
• M26: 4,865,820 km (0.117 R)
• M27: 5,137,789 km (0.108 R)
• M28: 6,047,644 km (0.077 R)
• M29: 6,405,781 km (0.115 R)
• M30: 6,871,479 km (0.06 R)
• M31: 7,006,566 km (0.079 R)
• M32: 7,210,917 km (0.072 R)
• M33: 7,279,432 km (0.113 R)
• M34: 7,382,655 km (0.097 R)
• M35: 8,047,617 km (0.091 R)
• M36: 8,333,349 km (0.118 R)
• M37: 8,713,478 km (0.111 R)
• M38: 8,823,133 km (0.055 R)
• M39: 9,322,341 km (0.101 R)
• M40: 9,565,886 km (0.082 R)
• M41: 10,600,206 km (0.038 R)
• M42: 10,815,178 km (0.036 R)
• M43: 11,071,140 km (0.109 R)
• M44: 11,229,714 km (0.054 R)
• M45: 11,408,932 km (0.114 R)
• M46: 11,589,197 km (0.034 R)
• M47: 11,750,165 km (0.115 R)
• M48: 12,299,039 km (0.1 R)
• M49: 12,814,554 km (0.102 R)
• M50: 12,960,262 km (0.096 R)
• M51: 13,190,194 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.4

Radius: 15

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.5 AU - 6.98 AU

Year: 6700 Days

Day: 5.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 74,414,174 km

• M1: 193,131 km (0.079 R)
• M2: 292,464 km (0.095 R)
• M3: 611,706 km (0.079 R)
• M4: 810,671 km (0.041 R)
• M5: 1,407,866 km (0.052 R)
• M6: 1,522,906 km (0.085 R)
• M7: 1,804,450 km (0.087 R)
• M8: 2,259,077 km (0.099 R)
• M9: 2,970,415 km (0.032 R)
• M10: 3,508,369 km (0.104 R)
• M11: 3,994,114 km (0.077 R)
• M12: 4,675,083 km (0.092 R)
• M13: 5,361,887 km (0.038 R)
• M14: 5,639,391 km (0.116 R)
• M15: 5,858,552 km (0.027 R)
• M16: 6,144,433 km (0.102 R)
• M17: 6,532,939 km (0.062 R)
• M18: 8,343,522 km (0.11 R)
• M19: 9,028,531 km (0.042 R)
• M20: 9,322,341 km (0.082 R)
• M21: 10,108,927 km (0.111 R)
• M22: 10,955,950 km (0.066 R)
• M23: 11,348,494 km (0.106 R)
• M24: 11,745,677 km (0.045 R)
• M25: 12,268,821 km (0.107 R)
• M26: 13,547,284 km (0.114 R)
• M27: 14,096,009 km (0.081 R)
• M28: 15,521,677 km (0.114 R)
• M29: 15,697,604 km (0.06 R)
• M30: 16,184,694 km (0.088 R)
• M31: 16,497,504 km (0.048 R)
• M32: 16,857,286 km (0.082 R)
• M33: 17,538,854 km (0.078 R)
• M34: 17,676,185 km (0.089 R)
• M35: 18,044,495 km (0.116 R)
• M36: 18,415,199 km (0.108 R)
• M37: 19,258,631 km (0.049 R)
• M38: 19,400,450 km (0.091 R)
• M39: 19,637,563 km (0.12 R)
• M40: 19,827,851 km (0.113 R)
• M41: 20,114,630 km (0.116 R)
• M42: 20,402,756 km (0.068 R)
• M43: 20,934,576 km (0.068 R)
• M44: 21,129,054 km (0.095 R)
• M45: 21,421,966 km (0.093 R)
• M46: 21,519,803 km (0.087 R)
• M47: 22,011,831 km (0.034 R)
• M48: 22,457,632 km (0.048 R)
• M49: 23,712,010 km (0.106 R)
• M50: 24,067,305 km (0.102 R)
• M51: 24,526,720 km (0.111 R)
• M52: 25,092,051 km (0.066 R)
• M53: 25,505,988 km (0.088 R)
• M54: 25,765,840 km (0.07 R)
• M55: 26,393,253 km (0.054 R)
• M56: 26,603,438 km (0.118 R)
• M57: 26,972,646 km (0.107 R)
• M58: 27,237,434 km (0.071 R)
• M59: 28,574,240 km (0.065 R)
• M60: 29,006,429 km (0.092 R)
• M61: 29,604,371 km (0.112 R)
• M62: 30,041,796 km (0.113 R)
• M63: 30,151,600 km (0.105 R)
• M64: 30,978,577 km (0.118 R)
• M65: 31,868,834 km (0.104 R)
• M66: 32,993,661 km (0.09 R)
• M67: 33,276,850 km (0.109 R)
• M68: 33,788,624 km (0.065 R)
• M69: 34,188,649 km (0.103 R)
• M70: 34,590,020 km (0.071 R)
• M71: 35,513,637 km (0.116 R)
• M72: 35,687,769 km (0.095 R)
• M73: 35,803,857 km (0.049 R)
• M74: 35,920,244 km (0.077 R)
• M75: 36,620,960 km (0.068 R)
• M76: 37,149,340 km (0.098 R)
• M77: 37,385,106 km (0.087 R)
• M78: 38,869,267 km (0.078 R)
• M79: 39,769,098 km (0.086 R)
• M80: 40,615,074 km (0.054 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.3

Radius: 13.7

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.06 AU - 8.52 AU

Year: 9139 Days

Day: 14.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 74,414,174 km

• M1: 290,968 km (0.107 R)
• M2: 679,025 km (0.119 R)
• M3: 904,170 km (0.055 R)
• M4: 997,818 km (0.113 R)
• M5: 1,175,390 km (0.101 R)
• M6: 1,364,183 km (0.102 R)
• M7: 1,586,336 km (0.094 R)
• M8: 1,820,756 km (0.085 R)
• M9: 1,967,062 km (0.117 R)
• M10: 2,729,862 km (0.092 R)
• M11: 2,870,185 km (0.078 R)
• M12: 3,246,573 km (0.046 R)
• M13: 3,825,367 km (0.102 R)
• M14: 4,669,398 km (0.083 R)
• M15: 4,872,403 km (0.112 R)
• M16: 4,975,027 km (0.09 R)
• M17: 5,605,731 km (0.118 R)
• M18: 5,821,751 km (0.073 R)
• M19: 5,930,808 km (0.118 R)
• M20: 6,077,264 km (0.12 R)
• M21: 6,336,367 km (0.065 R)
• M22: 7,527,914 km (0.096 R)
• M23: 7,806,615 km (0.086 R)
• M24: 8,787,678 km (0.048 R)
• M25: 9,292,870 km (0.11 R)
• M26: 9,420,627 km (0.07 R)
• M27: 9,591,916 km (0.119 R)
• M28: 10,068,385 km (0.055 R)
• M29: 10,730,506 km (0.09 R)
• M30: 11,865,505 km (0.119 R)
• M31: 12,658,972 km (0.088 R)
• M32: 12,753,518 km (0.094 R)
• M33: 14,692,306 km (0.119 R)
• M34: 14,841,455 km (0.118 R)
• M35: 15,241,629 km (0.075 R)
• M36: 15,442,988 km (0.114 R)
• M37: 16,001,437 km (0.061 R)
• M38: 16,463,246 km (0.119 R)
• M39: 16,566,468 km (0.119 R)
• M40: 17,295,159 km (0.056 R)
• M41: 18,300,756 km (0.084 R)
• M42: 19,762,328 km (0.099 R)
• M43: 19,927,035 km (0.094 R)
• M44: 20,479,350 km (0.082 R)
• M45: 21,261,149 km (0.096 R)
• M46: 21,995,824 km (0.074 R)
• M47: 22,853,917 km (0.09 R)
• M48: 22,969,107 km (0.113 R)
• M49: 24,015,096 km (0.081 R)
• M50: 24,132,231 km (0.107 R)
• M51: 24,249,516 km (0.041 R)
• M52: 25,314,353 km (0.073 R)
• M53: 27,550,841 km (0.107 R)
• M54: 27,673,661 km (0.049 R)
• M55: 29,285,130 km (0.085 R)
• M56: 29,535,706 km (0.056 R)
• M57: 30,165,363 km (0.104 R)
• M58: 31,952,011 km (0.109 R)
• M59: 33,379,922 km (0.086 R)
• M60: 33,904,263 km (0.109 R)
• M61: 34,101,583 km (0.055 R)
• M62: 34,299,201 km (0.089 R)
• M63: 34,563,541 km (0.114 R)
• M64: 35,027,444 km (0.116 R)
• M65: 35,426,870 km (0.111 R)
• M66: 36,769,062 km (0.092 R)
• M67: 36,904,149 km (0.055 R)
• M68: 38,675,986 km (0.114 R)
• M69: 39,364,735 km (0.099 R)
• M70: 40,405,637 km (0.065 R)
• M71: 41,174,570 km (0.063 R)
• M72: 41,666,597 km (0.086 R)
• M73: 41,948,589 km (0.103 R)
• M74: 42,656,187 km (0.079 R)
• M75: 42,798,156 km (0.092 R)
• M76: 43,653,556 km (0.085 R)
• M77: 44,947,279 km (0.103 R)
• M78: 45,164,046 km (0.101 R)
• M79: 45,308,857 km (0.098 R)
• M80: 46,399,425 km (0.073 R)
• M81: 46,545,433 km (0.117 R)
• M82: 46,764,893 km (0.112 R)
• M83: 47,278,163 km (0.07 R)
• M84: 47,572,272 km (0.026 R)
• M85: 47,719,477 km (0.094 R)
• M86: 48,162,286 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.7

Radius: 5.2

Gravity: 27.98 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 10.93 AU - 15.51 AU

Year: 18404 Days

Day: 16.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 74,414,174 km

• M1: 76,893 km (0.106 R)
• M2: 259,403 km (0.079 R)
• M3: 451,038 km (0.119 R)
• M4: 490,232 km (0.109 R)
• M5: 704,606 km (0.099 R)
• M6: 846,574 km (0.094 R)
• M7: 1,212,491 km (0.096 R)
• M8: 1,412,204 km (0.112 R)
• M9: 1,561,353 km (0.028 R)
• M10: 1,653,206 km (0.11 R)
• M11: 2,310,838 km (0.12 R)
• M12: 2,594,326 km (0.078 R)
• M13: 2,703,533 km (0.097 R)
• M14: 3,350,544 km (0.067 R)
• M15: 4,689,893 km (0.1 R)
• M16: 5,322,094 km (0.041 R)
• M17: 5,554,419 km (0.118 R)
• M18: 6,222,224 km (0.097 R)
• M19: 6,565,701 km (0.04 R)
• M20: 6,864,897 km (0.04 R)
• M21: 8,319,287 km (0.049 R)
• M22: 8,534,559 km (0.104 R)
• M23: 8,751,775 km (0.064 R)
• M24: 8,806,378 km (0.108 R)
• M25: 9,751,388 km (0.116 R)
• M26: 10,903,890 km (0.064 R)
• M27: 10,962,682 km (0.098 R)
• M28: 11,021,474 km (0.107 R)
• M29: 11,856,379 km (0.047 R)
• M30: 13,271,874 km (0.063 R)
• M31: 13,460,368 km (0.094 R)
• M32: 13,649,759 km (0.077 R)
• M33: 14,480,625 km (0.104 R)
• M34: 15,196,451 km (0.094 R)
• M35: 16,057,237 km (0.09 R)
• M36: 16,124,107 km (0.105 R)
• M37: 17,964,311 km (0.04 R)
• M38: 18,312,275 km (0.115 R)
• M39: 18,452,149 km (0.042 R)
• M40: 19,156,606 km (0.096 R)
• M41: 19,369,633 km (0.109 R)
• M42: 20,737,107 km (0.102 R)
• M43: 23,488,062 km (0.116 R)
• M44: 24,712,671 km (0.103 R)
• M45: 25,177,172 km (0.092 R)
• M46: 25,332,754 km (0.105 R)
• M47: 26,351,216 km (0.05 R)
• M48: 27,143,786 km (0.118 R)
• M49: 28,105,102 km (0.119 R)
• M50: 28,347,151 km (0.089 R)
• M51: 28,589,948 km (0.087 R)
• M52: 29,322,379 km (0.118 R)
• M53: 29,731,829 km (0.085 R)
• M54: 30,225,951 km (0.049 R)
• M55: 30,308,529 km (0.105 R)
• M56: 31,055,172 km (0.071 R)
• M57: 32,990,968 km (0.037 R)
• M58: 34,619,191 km (0.095 R)
• M59: 35,660,991 km (0.06 R)
• M60: 35,835,572 km (0.1 R)
• M61: 37,953,279 km (0.061 R)
• M62: 38,488,989 km (0.111 R)
• M63: 39,477,681 km (0.111 R)
• M64: 39,658,396 km (0.115 R)
• M65: 40,020,572 km (0.118 R)
• M66: 40,383,796 km (0.118 R)
• M67: 40,474,751 km (0.099 R)
• M68: 40,565,707 km (0.089 R)
• M69: 41,205,088 km (0.115 R)
• M70: 41,663,605 km (0.1 R)
• M71: 43,421,829 km (0.099 R)
• M72: 43,795,076 km (0.117 R)
• M73: 44,075,721 km (0.105 R)
• M74: 44,827,002 km (0.116 R)
• M75: 45,015,495 km (0.09 R)
• M76: 45,204,138 km (0.088 R)
• M77: 46,532,717 km (0.094 R)
• M78: 47,585,437 km (0.111 R)
• M79: 48,452,656 km (0.099 R)
• M80: 54,868,759 km (0.077 R)
• M81: 55,373,353 km (0.1 R)
• M82: 56,285,301 km (0.069 R)
• M83: 58,844,322 km (0.12 R)
• M84: 59,878,642 km (0.026 R)
• M85: 59,982,313 km (0.097 R)
• M86: 60,814,526 km (0.103 R)
• M87: 61,860,066 km (0.103 R)
• M88: 61,964,934 km (0.07 R)
• M89: 63,017,056 km (0.119 R)
• M90: 64,181,226 km (0.105 R)
• M91: 64,925,775 km (0.119 R)
• M92: 65,138,952 km (0.053 R)
• M93: 67,824,084 km (0.045 R)
• M94: 70,326,258 km (0.039 R)
• M95: 71,643,617 km (0.11 R)
• M96: 72,415,841 km (0.077 R)
• M97: 73,079,906 km (0.116 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 17,406 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit