🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.59 AU - 1.79 AU

Year: 806 Days

Day: 36.7 Hours

Environment

Temp: -56 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.18 AU - 4.86 AU

Year: 2959 Days

Day: 13.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,216,355 km

• M1: 472,131 km (0.069 R)

Asteroid Belt

Center: 4.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.2

Radius: 10.9

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.24 AU - 5.64 AU

Year: 4658 Days

Day: 11.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 90,216,355 km

• M1: 136,433 km (0.108 R)
• M2: 356,492 km (0.064 R)
• M3: 541,544 km (0.101 R)
• M4: 636,240 km (0.072 R)
• M5: 1,772,436 km (0.038 R)
• M6: 1,903,334 km (0.047 R)
• M7: 2,606,145 km (0.089 R)
• M8: 2,793,740 km (0.104 R)
• M9: 3,063,914 km (0.115 R)
• M10: 3,182,396 km (0.101 R)
• M11: 3,342,764 km (0.095 R)
• M12: 3,485,331 km (0.099 R)
• M13: 3,629,843 km (0.11 R)
• M14: 4,272,066 km (0.057 R)
• M15: 4,382,619 km (0.057 R)
• M16: 5,112,358 km (0.117 R)
• M17: 5,253,428 km (0.102 R)
• M18: 5,395,696 km (0.109 R)
• M19: 5,539,460 km (0.077 R)
• M20: 5,953,397 km (0.073 R)
• M21: 6,276,827 km (0.112 R)
• M22: 6,631,524 km (0.094 R)
• M23: 6,992,803 km (0.086 R)
• M24: 7,149,731 km (0.07 R)
• M25: 7,734,808 km (0.116 R)
• M26: 7,815,741 km (0.107 R)
• M27: 8,169,989 km (0.101 R)
• M28: 8,280,093 km (0.058 R)
• M29: 8,725,296 km (0.118 R)
• M30: 8,809,669 km (0.09 R)
• M31: 8,894,192 km (0.111 R)
• M32: 9,178,278 km (0.1 R)
• M33: 9,465,356 km (0.11 R)
• M34: 9,580,996 km (0.09 R)
• M35: 9,726,255 km (0.102 R)
• M36: 9,842,942 km (0.053 R)
• M37: 9,989,547 km (0.093 R)
• M38: 10,853,924 km (0.113 R)
• M39: 11,005,317 km (0.072 R)
• M40: 11,649,186 km (0.102 R)
• M41: 11,835,286 km (0.084 R)
• M42: 12,022,582 km (0.043 R)
• M43: 12,179,211 km (0.119 R)
• M44: 12,494,863 km (0.103 R)
• M45: 13,816,560 km (0.112 R)
• M46: 14,145,825 km (0.067 R)
• M47: 14,344,491 km (0.066 R)
• M48: 14,946,174 km (0.116 R)
• M49: 15,114,770 km (0.064 R)
• M50: 15,216,347 km (0.078 R)
• M51: 15,352,033 km (0.109 R)
• M52: 15,864,256 km (0.105 R)
• M53: 16,800,589 km (0.087 R)
• M54: 17,151,845 km (0.071 R)
• M55: 17,683,516 km (0.078 R)
• M56: 19,017,629 km (0.082 R)
• M57: 19,347,193 km (0.071 R)
• M58: 19,900,406 km (0.095 R)
• M59: 20,384,056 km (0.083 R)
• M60: 20,496,255 km (0.089 R)
• M61: 20,834,047 km (0.099 R)
• M62: 21,060,239 km (0.11 R)
• M63: 22,088,275 km (0.081 R)
• M64: 22,550,533 km (0.107 R)
• M65: 22,976,887 km (0.088 R)
• M66: 23,054,827 km (0.072 R)
• M67: 23,210,708 km (0.101 R)
• M68: 23,327,843 km (0.065 R)
• M69: 23,523,517 km (0.094 R)
• M70: 23,719,790 km (0.12 R)
• M71: 24,272,255 km (0.096 R)
• M72: 24,510,265 km (0.088 R)
• M73: 24,709,230 km (0.104 R)
• M74: 24,868,851 km (0.117 R)
• M75: 25,148,898 km (0.104 R)
• M76: 25,631,501 km (0.099 R)
• M77: 25,873,999 km (0.096 R)
• M78: 26,442,620 km (0.103 R)
• M79: 26,728,502 km (0.093 R)
• M80: 27,138,550 km (0.067 R)
• M81: 27,385,685 km (0.104 R)
• M82: 27,592,280 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711

Radius: 14.6

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.48 AU - 5.6 AU

Year: 4787 Days

Day: 9.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 90,216,355 km

• M1: 284,535 km (0.065 R)
• M2: 391,647 km (0.115 R)
• M3: 511,625 km (0.074 R)
• M4: 716,574 km (0.073 R)
• M5: 912,996 km (0.036 R)
• M6: 1,317,658 km (0.085 R)
• M7: 1,501,663 km (0.059 R)
• M8: 1,862,045 km (0.103 R)
• M9: 1,982,770 km (0.11 R)
• M10: 2,088,386 km (0.093 R)
• M11: 2,530,149 km (0.083 R)
• M12: 2,841,312 km (0.11 R)
• M13: 3,103,557 km (0.118 R)
• M14: 3,310,750 km (0.117 R)
• M15: 3,630,292 km (0.095 R)
• M16: 3,893,135 km (0.06 R)
• M17: 4,299,592 km (0.081 R)
• M18: 4,507,982 km (0.091 R)
• M19: 4,672,390 km (0.095 R)
• M20: 4,886,764 km (0.098 R)
• M21: 5,325,385 km (0.115 R)
• M22: 5,449,551 km (0.119 R)
• M23: 5,599,747 km (0.111 R)
• M24: 5,981,521 km (0.1 R)
• M25: 6,530,396 km (0.099 R)
• M26: 7,068,350 km (0.064 R)
• M27: 7,481,240 km (0.081 R)
• M28: 7,873,635 km (0.081 R)
• M29: 8,649,749 km (0.118 R)
• M30: 9,783,252 km (0.113 R)
• M31: 9,997,177 km (0.117 R)
• M32: 10,367,581 km (0.095 R)
• M33: 10,492,047 km (0.11 R)
• M34: 11,185,582 km (0.066 R)
• M35: 11,281,325 km (0.097 R)
• M36: 12,253,711 km (0.059 R)
• M37: 12,352,446 km (0.069 R)
• M38: 12,517,452 km (0.107 R)
• M39: 12,650,146 km (0.088 R)
• M40: 12,749,927 km (0.079 R)
• M41: 13,151,747 km (0.106 R)
• M42: 13,489,838 km (0.096 R)
• M43: 13,865,030 km (0.119 R)
• M44: 15,011,249 km (0.117 R)
• M45: 15,152,170 km (0.086 R)
• M46: 15,258,235 km (0.066 R)
• M47: 16,043,474 km (0.041 R)
• M48: 16,805,376 km (0.105 R)
• M49: 17,098,737 km (0.086 R)
• M50: 17,765,046 km (0.077 R)
• M51: 18,628,824 km (0.105 R)
• M52: 19,352,579 km (0.087 R)
• M53: 20,397,071 km (0.032 R)
• M54: 20,670,985 km (0.092 R)
• M55: 20,945,946 km (0.08 R)
• M56: 21,301,390 km (0.085 R)
• M57: 21,858,194 km (0.095 R)
• M58: 22,258,817 km (0.065 R)
• M59: 22,783,307 km (0.035 R)
• M60: 23,230,305 km (0.116 R)
• M61: 23,434,506 km (0.075 R)
• M62: 24,133,129 km (0.12 R)
• M63: 24,422,750 km (0.099 R)
• M64: 25,089,208 km (0.105 R)
• M65: 25,256,758 km (0.084 R)
• M66: 25,466,644 km (0.066 R)
• M67: 25,592,905 km (0.06 R)
• M68: 26,312,321 km (0.084 R)
• M69: 26,653,105 km (0.103 R)
• M70: 27,468,413 km (0.08 R)
• M71: 28,161,500 km (0.047 R)
• M72: 28,291,949 km (0.112 R)
• M73: 29,167,695 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.3

Radius: 11.6

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.26 AU - 6.12 AU

Year: 4982 Days

Day: 5.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 90,216,355 km

• M1: 188,493 km (0.051 R)
• M2: 276,606 km (0.091 R)
• M3: 382,821 km (0.088 R)
• M4: 844,480 km (0.112 R)
• M5: 936,034 km (0.077 R)
• M6: 1,031,328 km (0.104 R)
• M7: 1,144,424 km (0.086 R)
• M8: 1,262,157 km (0.086 R)
• M9: 1,706,463 km (0.101 R)
• M10: 1,876,855 km (0.094 R)
• M11: 2,017,327 km (0.091 R)
• M12: 2,161,240 km (0.085 R)
• M13: 2,383,992 km (0.071 R)
• M14: 2,732,106 km (0.082 R)
• M15: 3,476,804 km (0.072 R)
• M16: 3,738,750 km (0.095 R)
• M17: 4,562,885 km (0.114 R)
• M18: 4,947,052 km (0.067 R)
• M19: 5,720,922 km (0.057 R)
• M20: 5,875,157 km (0.118 R)
• M21: 6,056,769 km (0.068 R)
• M22: 6,161,338 km (0.036 R)
• M23: 6,505,712 km (0.062 R)
• M24: 6,801,916 km (0.092 R)
• M25: 7,157,809 km (0.042 R)
• M26: 7,689,031 km (0.101 R)
• M27: 7,916,420 km (0.103 R)
• M28: 8,088,458 km (0.115 R)
• M29: 8,789,174 km (0.064 R)
• M30: 8,907,955 km (0.039 R)
• M31: 9,509,488 km (0.097 R)
• M32: 10,124,036 km (0.087 R)
• M33: 10,248,651 km (0.091 R)
• M34: 10,751,599 km (0.109 R)
• M35: 11,006,215 km (0.084 R)
• M36: 11,198,448 km (0.095 R)
• M37: 11,716,505 km (0.107 R)
• M38: 11,847,403 km (0.092 R)
• M39: 12,110,247 km (0.061 R)
• M40: 12,475,116 km (0.088 R)
• M41: 12,608,557 km (0.111 R)
• M42: 12,776,257 km (0.097 R)
• M43: 12,978,363 km (0.065 R)
• M44: 13,181,517 km (0.115 R)
• M45: 13,522,451 km (0.1 R)
• M46: 13,728,447 km (0.055 R)
• M47: 14,422,731 km (0.115 R)
• M48: 14,598,059 km (0.101 R)
• M49: 14,915,357 km (0.082 R)
• M50: 15,342,159 km (0.056 R)
• M51: 17,722,860 km (0.1 R)
• M52: 18,212,793 km (0.032 R)
• M53: 18,630,769 km (0.12 R)
• M54: 19,013,441 km (0.072 R)
• M55: 19,398,805 km (0.102 R)
• M56: 19,786,712 km (0.1 R)
• M57: 20,138,117 km (0.081 R)
• M58: 20,255,701 km (0.048 R)
• M59: 20,334,091 km (0.111 R)
• M60: 20,412,779 km (0.086 R)
• M61: 21,684,361 km (0.103 R)
• M62: 21,764,695 km (0.085 R)
• M63: 22,654,653 km (0.05 R)
• M64: 23,022,364 km (0.035 R)
• M65: 23,268,453 km (0.088 R)
• M66: 23,474,299 km (0.107 R)
• M67: 23,598,017 km (0.114 R)
• M68: 23,722,034 km (0.104 R)
• M69: 24,721,647 km (0.109 R)
• M70: 24,805,571 km (0.113 R)
• M71: 25,777,658 km (0.055 R)
• M72: 25,947,900 km (0.047 R)
• M73: 26,118,591 km (0.08 R)
• M74: 26,246,946 km (0.078 R)
• M75: 27,237,284 km (0.093 R)
• M76: 28,327,554 km (0.052 R)
• M77: 29,654,786 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.4

Radius: 4.4

Gravity: 41.45 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 15.04 AU - 17.1 AU

Year: 23648 Days

Day: 24 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 90,216,355 km

• M1: 62,682 km (0.089 R)
• M2: 96,341 km (0.109 R)
• M3: 219,310 km (0.091 R)
• M4: 641,625 km (0.025 R)
• M5: 718,668 km (0.095 R)
• M6: 997,369 km (0.086 R)
• M7: 1,210,845 km (0.083 R)
• M8: 1,859,053 km (0.052 R)
• M9: 2,637,859 km (0.115 R)
• M10: 3,191,970 km (0.037 R)
• M11: 3,280,233 km (0.114 R)
• M12: 3,459,451 km (0.088 R)
• M13: 3,641,811 km (0.054 R)
• M14: 3,687,887 km (0.109 R)
• M15: 3,780,637 km (0.111 R)
• M16: 4,451,434 km (0.106 R)
• M17: 6,337,265 km (0.047 R)
• M18: 7,186,981 km (0.064 R)
• M19: 7,361,113 km (0.105 R)
• M20: 8,071,703 km (0.099 R)
• M21: 8,131,841 km (0.114 R)
• M22: 8,374,190 km (0.097 R)
• M23: 8,928,001 km (0.117 R)
• M24: 9,941,526 km (0.092 R)
• M25: 10,070,779 km (0.109 R)
• M26: 10,330,930 km (0.092 R)
• M27: 10,396,304 km (0.033 R)
• M28: 11,258,736 km (0.055 R)
• M29: 11,461,142 km (0.093 R)
• M30: 11,596,528 km (0.109 R)
• M31: 11,800,878 km (0.072 R)
• M32: 12,420,812 km (0.118 R)
• M33: 13,192,887 km (0.073 R)
• M34: 13,836,008 km (0.062 R)
• M35: 15,675,314 km (0.065 R)
• M36: 16,356,134 km (0.083 R)
• M37: 16,508,723 km (0.114 R)
• M38: 17,356,345 km (0.111 R)
• M39: 19,013,441 km (0.106 R)
• M40: 19,738,990 km (0.082 R)
• M41: 20,391,387 km (0.113 R)
• M42: 20,473,516 km (0.112 R)
• M43: 20,555,645 km (0.085 R)
• M44: 22,053,269 km (0.095 R)
• M45: 22,221,866 km (0.059 R)
• M46: 22,390,912 km (0.067 R)
• M47: 22,645,228 km (0.107 R)
• M48: 23,156,703 km (0.05 R)
• M49: 23,499,731 km (0.08 R)
• M50: 23,671,918 km (0.056 R)
• M51: 26,662,380 km (0.116 R)
• M52: 26,841,897 km (0.108 R)
• M53: 26,931,805 km (0.062 R)
• M54: 27,292,636 km (0.113 R)
• M55: 28,843,666 km (0.068 R)
• M56: 28,935,819 km (0.069 R)
• M57: 30,987,105 km (0.102 R)
• M58: 32,700,150 km (0.111 R)
• M59: 33,277,897 km (0.081 R)
• M60: 33,664,906 km (0.117 R)
• M61: 35,425,075 km (0.119 R)
• M62: 36,714,758 km (0.104 R)
• M63: 36,914,621 km (0.048 R)
• M64: 38,627,217 km (0.063 R)
• M65: 39,340,051 km (0.091 R)
• M66: 40,778,435 km (0.114 R)
• M67: 41,504,134 km (0.077 R)
• M68: 42,129,453 km (0.118 R)
• M69: 42,968,099 km (0.076 R)
• M70: 43,495,132 km (0.111 R)
• M71: 44,130,325 km (0.088 R)
• M72: 48,005,358 km (0.067 R)
• M73: 51,093,657 km (0.107 R)
• M74: 56,996,789 km (0.085 R)
• M75: 58,739,155 km (0.114 R)
• M76: 60,263,408 km (0.095 R)
• M77: 63,590,315 km (0.049 R)
• M78: 65,034,234 km (0.115 R)
• M79: 69,307,048 km (0.061 R)
• M80: 74,173,766 km (0.104 R)
• M81: 74,552,697 km (0.061 R)
• M82: 75,566,223 km (0.109 R)
• M83: 77,350,925 km (0.092 R)
• M84: 77,735,242 km (0.112 R)
• M85: 80,312,963 km (0.108 R)
• M86: 83,574,346 km (0.107 R)
• M87: 84,759,012 km (0.111 R)
• M88: 87,011,806 km (0.071 R)
• M89: 87,945,147 km (0.086 R)
• M90: 88,747,890 km (0.085 R)
• M91: 88,881,929 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.6

Radius: 5

Gravity: 30.9 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 13.6 AU - 19.14 AU

Year: 24313 Days

Day: 21.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 90,216,355 km

• M1: 227,838 km (0.091 R)
• M2: 317,147 km (0.111 R)
• M3: 1,354,160 km (0.097 R)
• M4: 1,387,221 km (0.104 R)
• M5: 1,660,836 km (0.12 R)
• M6: 2,140,446 km (0.096 R)
• M7: 2,785,812 km (0.115 R)
• M8: 3,217,701 km (0.116 R)
• M9: 3,763,134 km (0.103 R)
• M10: 5,778,068 km (0.098 R)
• M11: 5,940,531 km (0.118 R)
• M12: 7,352,586 km (0.03 R)
• M13: 7,587,754 km (0.111 R)
• M14: 7,706,235 km (0.115 R)
• M15: 8,065,420 km (0.103 R)
• M16: 8,125,857 km (0.114 R)
• M17: 8,800,095 km (0.067 R)
• M18: 9,812,573 km (0.087 R)
• M19: 11,331,440 km (0.114 R)
• M20: 11,399,208 km (0.119 R)
• M21: 12,014,355 km (0.084 R)
• M22: 12,083,319 km (0.082 R)
• M23: 13,205,453 km (0.077 R)
• M24: 14,580,706 km (0.061 R)
• M25: 15,698,202 km (0.104 R)
• M26: 16,000,839 km (0.03 R)
• M27: 17,308,324 km (0.074 R)
• M28: 17,386,414 km (0.089 R)
• M29: 17,542,594 km (0.1 R)
• M30: 18,172,551 km (0.101 R)
• M31: 20,106,253 km (0.037 R)
• M32: 20,682,354 km (0.039 R)
• M33: 21,347,467 km (0.112 R)
• M34: 21,766,789 km (0.063 R)
• M35: 21,851,013 km (0.097 R)
• M36: 22,188,805 km (0.083 R)
• M37: 22,869,625 km (0.075 R)
• M38: 23,903,645 km (0.065 R)
• M39: 24,164,394 km (0.097 R)
• M40: 24,338,826 km (0.097 R)
• M41: 24,426,340 km (0.046 R)
• M42: 25,129,002 km (0.097 R)
• M43: 28,833,643 km (0.086 R)
• M44: 29,111,297 km (0.091 R)
• M45: 29,669,297 km (0.115 R)
• M46: 31,364,540 km (0.085 R)
• M47: 31,650,122 km (0.105 R)
• M48: 33,867,911 km (0.092 R)
• M49: 34,749,341 km (0.101 R)
• M50: 35,242,266 km (0.102 R)
• M51: 36,634,873 km (0.099 R)
• M52: 37,944,004 km (0.066 R)
• M53: 39,063,594 km (0.114 R)
• M54: 43,119,492 km (0.082 R)
• M55: 43,225,258 km (0.117 R)
• M56: 45,250,813 km (0.089 R)
• M57: 46,980,463 km (0.046 R)
• M58: 47,089,371 km (0.086 R)
• M59: 48,401,643 km (0.069 R)
• M60: 49,172,671 km (0.056 R)
• M61: 50,058,888 km (0.049 R)
• M62: 50,392,641 km (0.107 R)
• M63: 52,184,674 km (0.044 R)
• M64: 53,769,813 km (0.085 R)
• M65: 56,292,482 km (0.086 R)
• M66: 56,407,972 km (0.114 R)
• M67: 58,151,236 km (0.079 R)
• M68: 59,676,236 km (0.105 R)
• M69: 60,502,764 km (0.118 R)
• M70: 61,452,113 km (0.033 R)
• M71: 61,809,352 km (0.087 R)
• M72: 62,286,869 km (0.118 R)
• M73: 63,125,215 km (0.097 R)
• M74: 64,329,478 km (0.098 R)
• M75: 64,692,253 km (0.056 R)
• M76: 65,176,950 km (0.102 R)
• M77: 65,662,844 km (0.102 R)
• M78: 67,741,506 km (0.06 R)
• M79: 69,841,561 km (0.095 R)
• M80: 70,214,359 km (0.112 R)
• M81: 70,338,824 km (0.056 R)
• M82: 72,716,683 km (0.087 R)
• M83: 73,978,840 km (0.115 R)
• M84: 74,232,109 km (0.082 R)
• M85: 74,866,554 km (0.044 R)
• M86: 76,396,641 km (0.1 R)
• M87: 77,037,219 km (0.089 R)
• M88: 77,165,424 km (0.097 R)
• M89: 78,452,714 km (0.093 R)
• M90: 80,006,587 km (0.104 R)
• M91: 81,701,531 km (0.118 R)
• M92: 83,540,089 km (0.046 R)
• M93: 86,723,232 km (0.063 R)
• M94: 87,659,266 km (0.119 R)
• M95: 88,061,385 km (0.083 R)
• M96: 88,195,574 km (0.077 R)
• M97: 89,136,694 km (0.116 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 12,442 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit