🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.85 AU - 1.01 AU

Year: 381 Days

Day: 42.6 Hours

Environment

Temp: -36 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.96 AU - 2.34 AU

Year: 1339 Days

Day: 30.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,501,352 km

• M1: 479,910 km (0.099 R)

Asteroid Belt

Center: 2.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.08 AU - 3.42 AU

Year: 1936 Days

Day: 25.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,501,352 km

• M1: 1,627,326 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.6

Radius: 12.1

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.95 AU - 3.55 AU

Year: 2488 Days

Day: 13.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 83,501,352 km

• M1: 153,039 km (0.089 R)
• M2: 331,359 km (0.076 R)
• M3: 422,764 km (0.095 R)
• M4: 532,868 km (0.09 R)
• M5: 700,118 km (0.09 R)
• M6: 929,452 km (0.085 R)
• M7: 1,008,589 km (0.053 R)
• M8: 1,108,819 km (0.067 R)
• M9: 1,222,215 km (0.059 R)
• M10: 1,410,259 km (0.111 R)
• M11: 1,748,949 km (0.057 R)
• M12: 1,826,590 km (0.095 R)
• M13: 2,101,850 km (0.097 R)
• M14: 2,208,513 km (0.112 R)
• M15: 2,427,674 km (0.049 R)
• M16: 2,552,588 km (0.036 R)
• M17: 2,979,990 km (0.108 R)
• M18: 3,319,128 km (0.051 R)
• M19: 3,402,304 km (0.074 R)
• M20: 3,486,378 km (0.038 R)
• M21: 3,642,110 km (0.119 R)
• M22: 3,742,490 km (0.096 R)
• M23: 3,902,111 km (0.102 R)
• M24: 4,198,165 km (0.1 R)
• M25: 4,318,741 km (0.096 R)
• M26: 4,532,516 km (0.076 R)
• M27: 4,765,440 km (0.06 R)
• M28: 5,002,254 km (0.054 R)
• M29: 5,389,562 km (0.09 R)
• M30: 5,553,671 km (0.059 R)
• M31: 5,702,970 km (0.082 R)
• M32: 6,210,107 km (0.043 R)
• M33: 6,399,797 km (0.098 R)
• M34: 6,714,252 km (0.04 R)
• M35: 6,855,622 km (0.093 R)
• M36: 7,087,498 km (0.117 R)
• M37: 7,267,614 km (0.105 R)
• M38: 7,559,180 km (0.072 R)
• M39: 7,910,287 km (0.025 R)
• M40: 8,210,230 km (0.075 R)
• M41: 8,323,626 km (0.103 R)
• M42: 9,269,383 km (0.107 R)
• M43: 9,407,313 km (0.029 R)
• M44: 9,486,450 km (0.115 R)
• M45: 9,925,669 km (0.05 R)
• M46: 10,249,249 km (0.095 R)
• M47: 10,453,151 km (0.072 R)
• M48: 10,596,765 km (0.049 R)
• M49: 10,948,320 km (0.073 R)
• M50: 11,031,646 km (0.066 R)
• M51: 11,514,548 km (0.055 R)
• M52: 12,025,874 km (0.07 R)
• M53: 12,219,603 km (0.061 R)
• M54: 12,479,454 km (0.07 R)
• M55: 12,588,212 km (0.111 R)
• M56: 12,916,579 km (0.051 R)
• M57: 13,671,301 km (0.101 R)
• M58: 13,806,088 km (0.097 R)
• M59: 13,941,175 km (0.111 R)
• M60: 14,122,039 km (0.088 R)
• M61: 14,623,491 km (0.118 R)
• M62: 15,061,214 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.9

Radius: 9.7

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.14 AU - 6.04 AU

Year: 4876 Days

Day: 11.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 83,501,352 km

• M1: 128,355 km (0.108 R)
• M2: 214,224 km (0.076 R)
• M3: 313,408 km (0.059 R)
• M4: 394,789 km (0.077 R)
• M5: 506,389 km (0.085 R)
• M6: 572,361 km (0.064 R)
• M7: 923,019 km (0.08 R)
• M8: 1,181,524 km (0.059 R)
• M9: 1,645,427 km (0.111 R)
• M10: 1,800,410 km (0.101 R)
• M11: 1,924,277 km (0.081 R)
• M12: 2,087,937 km (0.113 R)
• M13: 2,199,687 km (0.098 R)
• M14: 2,706,674 km (0.097 R)
• M15: 2,828,896 km (0.05 R)
• M16: 2,952,912 km (0.098 R)
• M17: 3,142,453 km (0.107 R)
• M18: 3,227,873 km (0.111 R)
• M19: 3,511,361 km (0.083 R)
• M20: 3,986,185 km (0.082 R)
• M21: 4,337,740 km (0.092 R)
• M22: 4,433,183 km (0.091 R)
• M23: 5,020,804 km (0.115 R)
• M24: 5,222,162 km (0.077 R)
• M25: 5,529,287 km (0.111 R)
• M26: 5,711,198 km (0.059 R)
• M27: 5,895,054 km (0.09 R)
• M28: 6,161,039 km (0.119 R)
• M29: 6,431,063 km (0.096 R)
• M30: 6,512,893 km (0.047 R)
• M31: 6,788,003 km (0.071 R)
• M32: 6,871,329 km (0.112 R)
• M33: 7,094,978 km (0.091 R)
• M34: 7,578,479 km (0.114 R)
• M35: 8,220,104 km (0.05 R)
• M36: 9,122,927 km (0.109 R)
• M37: 9,679,581 km (0.064 R)
• M38: 9,742,113 km (0.095 R)
• M39: 9,836,210 km (0.053 R)
• M40: 10,025,301 km (0.065 R)
• M41: 10,311,183 km (0.032 R)
• M42: 10,439,089 km (0.085 R)
• M43: 10,503,267 km (0.043 R)
• M44: 10,631,921 km (0.078 R)
• M45: 10,696,547 km (0.057 R)
• M46: 10,955,950 km (0.083 R)
• M47: 11,021,174 km (0.05 R)
• M48: 11,847,254 km (0.1 R)
• M49: 12,352,446 km (0.1 R)
• M50: 12,693,080 km (0.047 R)
• M51: 13,804,144 km (0.098 R)
• M52: 13,980,519 km (0.08 R)
• M53: 14,264,307 km (0.06 R)
• M54: 14,442,627 km (0.047 R)
• M55: 14,514,285 km (0.119 R)
• M56: 15,090,835 km (0.099 R)
• M57: 15,309,098 km (0.113 R)
• M58: 17,471,685 km (0.09 R)
• M59: 17,739,016 km (0.115 R)
• M60: 17,815,760 km (0.112 R)
• M61: 17,930,950 km (0.084 R)
• M62: 18,471,747 km (0.118 R)
• M63: 18,666,224 km (0.106 R)
• M64: 19,728,070 km (0.06 R)
• M65: 20,286,369 km (0.111 R)
• M66: 21,296,154 km (0.108 R)
• M67: 22,571,028 km (0.06 R)
• M68: 22,737,380 km (0.042 R)
• M69: 22,862,295 km (0.113 R)
• M70: 23,071,133 km (0.083 R)
• M71: 23,701,389 km (0.093 R)
• M72: 24,294,844 km (0.111 R)
• M73: 24,764,581 km (0.063 R)
• M74: 25,582,881 km (0.091 R)
• M75: 25,973,482 km (0.081 R)
• M76: 27,069,286 km (0.088 R)
• M77: 28,583,516 km (0.114 R)
• M78: 29,305,624 km (0.119 R)
• M79: 29,396,281 km (0.098 R)
• M80: 29,714,326 km (0.045 R)
• M81: 29,805,431 km (0.118 R)
• M82: 30,170,899 km (0.088 R)
• M83: 30,491,786 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.5

Radius: 10.1

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.28 AU - 5.7 AU

Year: 5462 Days

Day: 5.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 83,501,352 km

• M1: 129,402 km (0.034 R)
• M2: 201,209 km (0.101 R)
• M3: 354,098 km (0.102 R)
• M4: 424,409 km (0.099 R)
• M5: 536,458 km (0.089 R)
• M6: 630,256 km (0.118 R)
• M7: 740,659 km (0.1 R)
• M8: 825,481 km (0.077 R)
• M9: 925,113 km (0.086 R)
• M10: 1,017,266 km (0.094 R)
• M11: 1,326,185 km (0.118 R)
• M12: 1,431,352 km (0.064 R)
• M13: 1,608,327 km (0.107 R)
• M14: 1,880,146 km (0.115 R)
• M15: 1,969,007 km (0.054 R)
• M16: 2,135,809 km (0.113 R)
• M17: 2,631,127 km (0.089 R)
• M18: 2,986,871 km (0.11 R)
• M19: 3,126,296 km (0.097 R)
• M20: 3,357,874 km (0.065 R)
• M21: 4,477,464 km (0.089 R)
• M22: 4,617,637 km (0.076 R)
• M23: 4,840,688 km (0.062 R)
• M24: 5,108,917 km (0.049 R)
• M25: 5,488,297 km (0.096 R)
• M26: 5,595,260 km (0.113 R)
• M27: 5,724,662 km (0.083 R)
• M28: 5,876,952 km (0.09 R)
• M29: 5,986,458 km (0.081 R)
• M30: 6,319,164 km (0.076 R)
• M31: 6,386,483 km (0.118 R)
• M32: 6,589,786 km (0.058 R)
• M33: 6,703,630 km (0.077 R)
• M34: 6,910,225 km (0.074 R)
• M35: 7,353,483 km (0.117 R)
• M36: 7,471,516 km (0.093 R)
• M37: 7,685,890 km (0.106 R)
• M38: 8,120,621 km (0.065 R)
• M39: 8,218,309 km (0.089 R)
• M40: 8,390,197 km (0.117 R)
• M41: 8,488,931 km (0.109 R)
• M42: 9,395,345 km (0.05 R)
• M43: 9,860,145 km (0.066 R)
• M44: 10,226,810 km (0.036 R)
• M45: 10,677,997 km (0.102 R)
• M46: 10,946,525 km (0.069 R)
• M47: 11,737,748 km (0.064 R)
• M48: 12,014,953 km (0.03 R)
• M49: 12,294,252 km (0.111 R)
• M50: 12,462,849 km (0.098 R)
• M51: 12,575,646 km (0.053 R)
• M52: 12,802,436 km (0.079 R)
• M53: 12,887,707 km (0.119 R)
• M54: 13,030,423 km (0.067 R)
• M55: 13,202,461 km (0.108 R)
• M56: 13,490,586 km (0.079 R)
• M57: 13,839,299 km (0.086 R)
• M58: 13,956,135 km (0.078 R)
• M59: 14,073,420 km (0.105 R)
• M60: 14,249,796 km (0.069 R)
• M61: 15,263,471 km (0.092 R)
• M62: 15,353,977 km (0.064 R)
• M63: 15,505,221 km (0.114 R)
• M64: 15,992,910 km (0.044 R)
• M65: 16,300,184 km (0.111 R)
• M66: 16,609,403 km (0.102 R)
• M67: 16,795,951 km (0.073 R)
• M68: 17,014,364 km (0.106 R)
• M69: 17,517,312 km (0.088 R)
• M70: 17,961,319 km (0.03 R)
• M71: 20,170,281 km (0.108 R)
• M72: 20,535,599 km (0.092 R)
• M73: 20,602,320 km (0.106 R)
• M74: 20,769,271 km (0.111 R)
• M75: 20,936,671 km (0.054 R)
• M76: 22,911,512 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.2

Radius: 3.6

Gravity: 46.7 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 9.46 AU - 12.88 AU

Year: 15851 Days

Day: 15.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 83,501,352 km

• M1: 291,716 km (0.038 R)
• M2: 525,986 km (0.095 R)
• M3: 895,044 km (0.059 R)
• M4: 963,111 km (0.092 R)
• M5: 1,379,891 km (0.092 R)
• M6: 1,405,921 km (0.092 R)
• M7: 1,458,579 km (0.104 R)
• M8: 1,731,745 km (0.12 R)
• M9: 1,788,293 km (0.044 R)
• M10: 2,020,618 km (0.085 R)
• M11: 2,201,183 km (0.093 R)
• M12: 2,231,701 km (0.091 R)
• M13: 2,386,834 km (0.104 R)
• M14: 2,609,735 km (0.041 R)
• M15: 2,642,198 km (0.108 R)
• M16: 3,213,213 km (0.108 R)
• M17: 4,081,180 km (0.104 R)
• M18: 4,658,328 km (0.071 R)
• M19: 4,737,166 km (0.113 R)
• M20: 4,816,453 km (0.087 R)
• M21: 5,016,615 km (0.08 R)
• M22: 5,466,605 km (0.102 R)
• M23: 5,759,668 km (0.106 R)
• M24: 6,187,069 km (0.119 R)
• M25: 6,448,416 km (0.032 R)
• M26: 6,580,511 km (0.082 R)
• M27: 6,847,244 km (0.067 R)
• M28: 7,026,911 km (0.069 R)
• M29: 7,117,418 km (0.083 R)
• M30: 7,949,032 km (0.098 R)
• M31: 8,376,284 km (0.094 R)
• M32: 8,713,627 km (0.111 R)
• M33: 8,908,404 km (0.108 R)
• M34: 9,903,828 km (0.081 R)
• M35: 10,829,390 km (0.104 R)
• M36: 10,986,318 km (0.085 R)
• M37: 11,091,336 km (0.077 R)
• M38: 13,879,840 km (0.11 R)
• M39: 15,970,470 km (0.061 R)
• M40: 16,089,550 km (0.089 R)
• M41: 17,909,408 km (0.104 R)
• M42: 18,780,816 km (0.054 R)
• M43: 19,411,670 km (0.069 R)
• M44: 20,694,023 km (0.104 R)
• M45: 21,149,249 km (0.03 R)
• M46: 23,204,575 km (0.12 R)
• M47: 23,609,686 km (0.064 R)
• M48: 23,677,453 km (0.118 R)
• M49: 24,085,407 km (0.08 R)
• M50: 24,770,266 km (0.081 R)
• M51: 25,461,558 km (0.105 R)
• M52: 27,217,238 km (0.067 R)
• M53: 27,787,206 km (0.083 R)
• M54: 27,858,863 km (0.067 R)
• M55: 28,073,836 km (0.096 R)
• M56: 28,721,894 km (0.111 R)
• M57: 29,229,479 km (0.071 R)
• M58: 30,106,422 km (0.105 R)
• M59: 30,917,990 km (0.036 R)
• M60: 31,587,142 km (0.078 R)
• M61: 31,961,136 km (0.109 R)
• M62: 32,036,085 km (0.109 R)
• M63: 32,486,973 km (0.087 R)
• M64: 33,243,190 km (0.086 R)
• M65: 33,395,032 km (0.097 R)
• M66: 33,471,177 km (0.106 R)
• M67: 35,701,681 km (0.085 R)
• M68: 38,218,067 km (0.031 R)
• M69: 38,297,653 km (0.108 R)
• M70: 38,936,137 km (0.096 R)
• M71: 40,547,456 km (0.1 R)
• M72: 40,709,769 km (0.109 R)
• M73: 41,116,526 km (0.067 R)
• M74: 41,279,737 km (0.079 R)
• M75: 41,606,459 km (0.056 R)
• M76: 41,770,269 km (0.118 R)
• M77: 42,345,024 km (0.041 R)
• M78: 42,839,744 km (0.068 R)
• M79: 43,336,409 km (0.073 R)
• M80: 43,502,313 km (0.112 R)
• M81: 44,586,299 km (0.087 R)
• M82: 47,206,805 km (0.072 R)
• M83: 48,492,599 km (0.109 R)
• M84: 50,312,008 km (0.106 R)
• M85: 51,011,079 km (0.105 R)
• M86: 51,977,331 km (0.115 R)
• M87: 52,949,718 km (0.108 R)
• M88: 53,127,141 km (0.112 R)
• M89: 53,215,852 km (0.111 R)
• M90: 54,374,637 km (0.098 R)
• M91: 57,262,325 km (0.075 R)
• M92: 57,991,914 km (0.103 R)
• M93: 58,449,534 km (0.072 R)
• M94: 58,632,941 km (0.082 R)
• M95: 60,477,183 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912.2

Radius: 4.8

Gravity: 39.59 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 12.72 AU - 13.3 AU

Year: 19925 Days

Day: 22.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 83,501,352 km

• M1: 295,755 km (0.054 R)
• M2: 350,807 km (0.111 R)
• M3: 803,789 km (0.09 R)
• M4: 1,049,130 km (0.112 R)
• M5: 1,739,374 km (0.105 R)
• M6: 2,426,178 km (0.102 R)
• M7: 3,925,747 km (0.089 R)
• M8: 4,106,910 km (0.05 R)
• M9: 4,337,291 km (0.094 R)
• M10: 4,907,259 km (0.118 R)
• M11: 5,004,498 km (0.062 R)
• M12: 5,601,393 km (0.083 R)
• M13: 6,431,960 km (0.082 R)
• M14: 6,915,760 km (0.061 R)
• M15: 7,244,875 km (0.088 R)
• M16: 7,635,176 km (0.116 R)
• M17: 8,204,546 km (0.051 R)
• M18: 8,436,273 km (0.083 R)
• M19: 9,084,181 km (0.087 R)
• M20: 9,203,710 km (0.081 R)
• M21: 9,931,803 km (0.099 R)
• M22: 10,489,952 km (0.092 R)
• M23: 12,889,053 km (0.097 R)
• M24: 13,023,392 km (0.054 R)
• M25: 14,392,213 km (0.094 R)
• M26: 15,093,528 km (0.059 R)
• M27: 17,115,642 km (0.049 R)
• M28: 18,083,091 km (0.072 R)
• M29: 18,308,835 km (0.061 R)
• M30: 18,839,309 km (0.085 R)
• M31: 21,010,871 km (0.08 R)
• M32: 21,885,420 km (0.064 R)
• M33: 22,286,792 km (0.084 R)
• M34: 22,367,425 km (0.052 R)
• M35: 24,996,757 km (0.072 R)
• M36: 25,584,677 km (0.08 R)
• M37: 26,262,355 km (0.092 R)
• M38: 27,203,774 km (0.106 R)
• M39: 27,982,132 km (0.069 R)
• M40: 31,800,767 km (0.026 R)
• M41: 34,001,950 km (0.082 R)
• M42: 37,490,573 km (0.118 R)
• M43: 38,163,165 km (0.086 R)
• M44: 38,452,786 km (0.072 R)
• M45: 39,911,216 km (0.079 R)
• M46: 41,189,829 km (0.043 R)
• M47: 43,585,340 km (0.1 R)
• M48: 44,090,083 km (0.074 R)
• M49: 44,596,771 km (0.088 R)
• M50: 45,105,404 km (0.068 R)
• M51: 45,207,280 km (0.091 R)
• M52: 46,025,730 km (0.056 R)
• M53: 46,128,354 km (0.11 R)
• M54: 46,436,675 km (0.11 R)
• M55: 48,301,413 km (0.041 R)
• M56: 48,510,102 km (0.074 R)
• M57: 50,296,001 km (0.117 R)
• M58: 50,401,617 km (0.066 R)
• M59: 52,317,367 km (0.032 R)
• M60: 53,176,358 km (0.049 R)
• M61: 53,391,779 km (0.078 R)
• M62: 54,039,987 km (0.117 R)
• M63: 54,582,130 km (0.103 R)
• M64: 54,690,738 km (0.072 R)
• M65: 55,126,067 km (0.111 R)
• M66: 56,878,756 km (0.06 R)
• M67: 57,319,771 km (0.035 R)
• M68: 57,651,279 km (0.094 R)
• M69: 59,541,897 km (0.083 R)
• M70: 60,101,842 km (0.109 R)
• M71: 61,001,374 km (0.082 R)
• M72: 61,565,807 km (0.069 R)
• M73: 61,905,244 km (0.047 R)
• M74: 62,927,447 km (0.104 R)
• M75: 63,840,891 km (0.086 R)
• M76: 64,528,742 km (0.114 R)
• M77: 65,449,667 km (0.11 R)
• M78: 65,911,775 km (0.096 R)
• M79: 68,004,649 km (0.058 R)
• M80: 70,237,397 km (0.105 R)
• M81: 71,066,020 km (0.056 R)
• M82: 71,659,923 km (0.115 R)
• M83: 72,136,243 km (0.094 R)
• M84: 74,653,825 km (0.08 R)
• M85: 75,257,602 km (0.109 R)
• M86: 75,741,701 km (0.117 R)
• M87: 76,105,374 km (0.062 R)
• M88: 78,422,645 km (0.116 R)
• M89: 79,651,591 km (0.108 R)
• M90: 81,134,555 km (0.075 R)
• M91: 82,876,323 km (0.069 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 15,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit