🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.9 AU - 1.9 AU

Year: 938 Days

Day: 37.8 Hours

Environment

Temp: -49 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.88 AU - 2.28 AU

Year: 1074 Days

Day: 29.1 Hours

Environment

Temp: -68 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,819,835 km

• M1: 1,064,838 km (0.061 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.49 AU - 3.37 AU

Year: 1796 Days

Day: 20.8 Hours

Environment

Temp: -87 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.76 AU - 4.16 AU

Year: 2822 Days

Day: 20.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.9

Radius: 10.1

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.09 AU - 6.69 AU

Year: 4482 Days

Day: 6 Hours

Environment

Temp: -149 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 50,819,835 km

• M1: 166,802 km (0.092 R)
• M2: 267,780 km (0.07 R)
• M3: 366,664 km (0.057 R)
• M4: 708,944 km (0.117 R)
• M5: 790,774 km (0.117 R)
• M6: 899,532 km (0.12 R)
• M7: 1,013,526 km (0.095 R)
• M8: 1,158,336 km (0.119 R)
• M9: 1,243,458 km (0.098 R)
• M10: 1,351,168 km (0.073 R)
• M11: 1,533,079 km (0.037 R)
• M12: 1,597,855 km (0.051 R)
• M13: 1,700,778 km (0.092 R)
• M14: 1,790,836 km (0.099 R)
• M15: 1,866,981 km (0.088 R)
• M16: 2,448,468 km (0.113 R)
• M17: 2,937,953 km (0.062 R)
• M18: 3,194,064 km (0.074 R)
• M19: 3,591,845 km (0.036 R)
• M20: 3,708,531 km (0.111 R)
• M21: 4,289,869 km (0.053 R)
• M22: 4,362,124 km (0.057 R)
• M23: 5,007,789 km (0.101 R)
• M24: 5,192,991 km (0.108 R)
• M25: 5,270,034 km (0.115 R)
• M26: 5,436,237 km (0.075 R)
• M27: 5,548,136 km (0.118 R)
• M28: 5,660,634 km (0.109 R)
• M29: 5,876,653 km (0.07 R)
• M30: 5,968,357 km (0.082 R)
• M31: 6,211,603 km (0.119 R)
• M32: 6,281,764 km (0.095 R)
• M33: 6,552,836 km (0.026 R)
• M34: 6,900,202 km (0.037 R)
• M35: 7,131,031 km (0.11 R)
• M36: 7,253,552 km (0.107 R)
• M37: 7,638,018 km (0.087 R)
• M38: 7,775,948 km (0.059 R)
• M39: 8,130,943 km (0.105 R)
• M40: 8,310,461 km (0.105 R)
• M41: 8,387,803 km (0.078 R)
• M42: 8,452,429 km (0.117 R)
• M43: 8,804,283 km (0.092 R)
• M44: 8,909,600 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105

Radius: 10.6

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.7 AU - 6.9 AU

Year: 5663 Days

Day: 6.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 50,819,835 km

• M1: 173,982 km (0.108 R)
• M2: 320,887 km (0.07 R)
• M3: 407,355 km (0.03 R)
• M4: 548,575 km (0.113 R)
• M5: 674,686 km (0.119 R)
• M6: 785,090 km (0.052 R)
• M7: 1,104,032 km (0.082 R)
• M8: 1,485,058 km (0.099 R)
• M9: 1,690,606 km (0.073 R)
• M10: 2,310,390 km (0.078 R)
• M11: 2,645,190 km (0.112 R)
• M12: 2,727,917 km (0.081 R)
• M13: 2,952,763 km (0.065 R)
• M14: 3,480,843 km (0.118 R)
• M15: 3,880,569 km (0.062 R)
• M16: 4,230,478 km (0.088 R)
• M17: 5,097,547 km (0.038 R)
• M18: 5,410,357 km (0.117 R)
• M19: 6,054,824 km (0.115 R)
• M20: 6,761,375 km (0.077 R)
• M21: 7,318,328 km (0.065 R)
• M22: 7,810,206 km (0.101 R)
• M23: 8,353,545 km (0.07 R)
• M24: 8,743,098 km (0.104 R)
• M25: 8,888,208 km (0.098 R)
• M26: 9,096,897 km (0.072 R)
• M27: 10,099,203 km (0.105 R)
• M28: 10,295,026 km (0.067 R)
• M29: 11,158,655 km (0.112 R)
• M30: 11,610,590 km (0.071 R)
• M31: 11,953,468 km (0.073 R)
• M32: 12,415,726 km (0.075 R)
• M33: 12,485,588 km (0.101 R)
• M34: 13,049,273 km (0.1 R)
• M35: 14,518,922 km (0.068 R)
• M36: 14,764,861 km (0.049 R)
• M37: 15,186,129 km (0.075 R)
• M38: 15,737,247 km (0.115 R)
• M39: 15,939,204 km (0.103 R)
• M40: 16,192,922 km (0.046 R)
• M41: 16,936,274 km (0.117 R)
• M42: 17,091,557 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.8

Radius: 9.9

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.09 AU - 6.89 AU

Year: 5922 Days

Day: 10.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 50,819,835 km

• M1: 133,890 km (0.052 R)
• M2: 218,712 km (0.108 R)
• M3: 393,592 km (0.109 R)
• M4: 516,412 km (0.086 R)
• M5: 579,243 km (0.038 R)
• M6: 645,066 km (0.108 R)
• M7: 740,360 km (0.098 R)
• M8: 831,465 km (0.047 R)
• M9: 926,759 km (0.112 R)
• M10: 1,046,138 km (0.094 R)
• M11: 1,356,553 km (0.102 R)
• M12: 1,481,917 km (0.112 R)
• M13: 1,756,877 km (0.044 R)
• M14: 1,894,208 km (0.11 R)
• M15: 1,957,787 km (0.052 R)
• M16: 2,100,354 km (0.101 R)
• M17: 2,465,074 km (0.112 R)
• M18: 2,577,123 km (0.114 R)
• M19: 2,690,817 km (0.038 R)
• M20: 2,952,763 km (0.114 R)
• M21: 3,086,802 km (0.097 R)
• M22: 3,532,903 km (0.103 R)
• M23: 3,982,894 km (0.072 R)
• M24: 4,198,165 km (0.111 R)
• M25: 4,298,695 km (0.098 R)
• M26: 4,417,176 km (0.047 R)
• M27: 4,954,532 km (0.082 R)
• M28: 5,366,824 km (0.075 R)
• M29: 5,567,883 km (0.102 R)
• M30: 5,939,933 km (0.063 R)
• M31: 6,243,318 km (0.068 R)
• M32: 6,532,490 km (0.03 R)
• M33: 6,786,507 km (0.117 R)
• M34: 6,984,276 km (0.067 R)
• M35: 7,466,579 km (0.078 R)
• M36: 7,670,780 km (0.036 R)
• M37: 7,897,571 km (0.101 R)
• M38: 8,273,361 km (0.065 R)
• M39: 8,934,284 km (0.091 R)
• M40: 9,064,135 km (0.116 R)
• M41: 9,347,773 km (0.08 R)
• M42: 10,397,351 km (0.028 R)
• M43: 10,947,722 km (0.094 R)
• M44: 11,063,511 km (0.086 R)
• M45: 11,390,083 km (0.103 R)
• M46: 11,767,219 km (0.076 R)
• M47: 11,933,422 km (0.058 R)
• M48: 12,124,459 km (0.088 R)
• M49: 12,292,457 km (0.105 R)
• M50: 13,913,799 km (0.077 R)
• M51: 14,139,991 km (0.12 R)
• M52: 14,443,674 km (0.105 R)
• M53: 14,647,277 km (0.116 R)
• M54: 14,749,452 km (0.095 R)
• M55: 14,954,551 km (0.043 R)
• M56: 15,549,203 km (0.073 R)
• M57: 15,627,442 km (0.071 R)
• M58: 15,967,628 km (0.114 R)
• M59: 16,575,444 km (0.113 R)
• M60: 16,949,140 km (0.067 R)
• M61: 17,325,677 km (0.097 R)
• M62: 17,460,764 km (0.109 R)
• M63: 17,813,666 km (0.081 R)
• M64: 18,224,013 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.8

Radius: 10.1

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.28 AU - 9.22 AU

Year: 7727 Days

Day: 9 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 50,819,835 km

• M1: 131,497 km (0.063 R)
• M2: 381,774 km (0.117 R)
• M3: 446,550 km (0.118 R)
• M4: 528,080 km (0.077 R)
• M5: 777,909 km (0.101 R)
• M6: 1,332,767 km (0.083 R)
• M7: 1,510,938 km (0.082 R)
• M8: 1,678,189 km (0.077 R)
• M9: 1,793,230 km (0.081 R)
• M10: 2,154,209 km (0.119 R)
• M11: 2,258,479 km (0.046 R)
• M12: 2,407,479 km (0.091 R)
• M13: 2,516,087 km (0.097 R)
• M14: 2,670,771 km (0.12 R)
• M15: 2,989,564 km (0.118 R)
• M16: 3,941,306 km (0.117 R)
• M17: 4,199,661 km (0.05 R)
• M18: 5,659,587 km (0.069 R)
• M19: 6,549,544 km (0.074 R)
• M20: 6,732,802 km (0.117 R)
• M21: 6,824,954 km (0.111 R)
• M22: 6,948,671 km (0.102 R)
• M23: 7,674,221 km (0.086 R)
• M24: 8,324,822 km (0.101 R)
• M25: 8,424,006 km (0.109 R)
• M26: 8,656,780 km (0.084 R)
• M27: 9,128,761 km (0.112 R)
• M28: 9,713,240 km (0.108 R)
• M29: 9,852,516 km (0.117 R)
• M30: 10,168,317 km (0.07 R)
• M31: 10,309,836 km (0.114 R)
• M32: 10,523,163 km (0.088 R)
• M33: 10,809,942 km (0.108 R)
• M34: 11,099,414 km (0.075 R)
• M35: 11,245,122 km (0.083 R)
• M36: 11,428,081 km (0.088 R)
• M37: 11,685,838 km (0.084 R)
• M38: 12,282,434 km (0.088 R)
• M39: 12,736,464 km (0.033 R)
• M40: 13,427,755 km (0.081 R)
• M41: 13,934,593 km (0.075 R)
• M42: 14,170,658 km (0.108 R)
• M43: 14,328,634 km (0.085 R)
• M44: 14,726,564 km (0.104 R)
• M45: 15,859,768 km (0.027 R)
• M46: 15,982,887 km (0.069 R)
• M47: 16,602,970 km (0.031 R)
• M48: 16,728,034 km (0.036 R)
• M49: 17,739,166 km (0.052 R)
• M50: 18,381,090 km (0.067 R)
• M51: 19,997,196 km (0.047 R)
• M52: 20,397,071 km (0.07 R)
• M53: 20,799,639 km (0.106 R)
• M54: 21,521,898 km (0.107 R)
• M55: 22,068,977 km (0.119 R)
• M56: 22,620,544 km (0.082 R)
• M57: 23,269,949 km (0.094 R)
• M58: 23,925,337 km (0.079 R)
• M59: 24,113,681 km (0.11 R)
• M60: 24,255,350 km (0.112 R)
• M61: 25,398,278 km (0.101 R)
• M62: 25,927,854 km (0.076 R)
• M63: 26,509,939 km (0.069 R)
• M64: 26,949,159 km (0.105 R)
• M65: 27,047,145 km (0.098 R)
• M66: 27,341,704 km (0.047 R)
• M67: 27,440,139 km (0.104 R)
• M68: 27,686,826 km (0.066 R)
• M69: 28,082,811 km (0.094 R)
• M70: 28,381,110 km (0.112 R)
• M71: 28,880,617 km (0.068 R)
• M72: 29,685,902 km (0.115 R)
• M73: 29,888,308 km (0.046 R)
• M74: 30,447,505 km (0.114 R)
• M75: 30,907,518 km (0.078 R)
• M76: 31,061,455 km (0.09 R)
• M77: 31,318,464 km (0.032 R)
• M78: 32,093,680 km (0.066 R)
• M79: 32,561,921 km (0.064 R)
• M80: 32,980,047 km (0.069 R)
• M81: 33,084,766 km (0.114 R)
• M82: 33,821,535 km (0.037 R)
• M83: 33,980,109 km (0.085 R)
• M84: 34,457,326 km (0.071 R)
• M85: 34,723,311 km (0.075 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759

Radius: 10.7

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.93 AU - 11.95 AU

Year: 12960 Days

Day: 8.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 50,819,835 km

• M1: 142,716 km (0.098 R)
• M2: 365,617 km (0.081 R)
• M3: 518,207 km (0.106 R)
• M4: 732,431 km (0.106 R)
• M5: 891,903 km (0.063 R)
• M6: 1,414,597 km (0.084 R)
• M7: 1,514,379 km (0.03 R)
• M8: 1,668,764 km (0.1 R)
• M9: 2,249,952 km (0.079 R)
• M10: 2,367,536 km (0.083 R)
• M11: 2,547,951 km (0.12 R)
• M12: 2,639,804 km (0.103 R)
• M13: 2,922,245 km (0.051 R)
• M14: 3,018,586 km (0.064 R)
• M15: 3,414,721 km (0.061 R)
• M16: 3,482,489 km (0.057 R)
• M17: 3,897,922 km (0.094 R)
• M18: 4,004,286 km (0.087 R)
• M19: 5,276,616 km (0.066 R)
• M20: 5,673,200 km (0.086 R)
• M21: 5,834,616 km (0.12 R)
• M22: 6,120,647 km (0.095 R)
• M23: 6,706,622 km (0.105 R)
• M24: 8,248,976 km (0.05 R)
• M25: 8,709,139 km (0.114 R)
• M26: 8,848,864 km (0.1 R)
• M27: 10,286,499 km (0.1 R)
• M28: 11,032,245 km (0.102 R)
• M29: 11,437,206 km (0.077 R)
• M30: 11,692,719 km (0.05 R)
• M31: 12,105,460 km (0.059 R)
• M32: 12,470,628 km (0.11 R)
• M33: 13,158,479 km (0.074 R)
• M34: 14,295,423 km (0.067 R)
• M35: 15,070,789 km (0.104 R)
• M36: 15,294,886 km (0.064 R)
• M37: 15,576,579 km (0.094 R)
• M38: 16,489,276 km (0.093 R)
• M39: 17,654,494 km (0.06 R)
• M40: 18,426,269 km (0.033 R)
• M41: 18,725,913 km (0.063 R)
• M42: 22,446,413 km (0.083 R)
• M43: 23,606,095 km (0.066 R)
• M44: 23,866,395 km (0.105 R)
• M45: 24,455,512 km (0.107 R)
• M46: 25,115,837 km (0.099 R)
• M47: 25,381,672 km (0.051 R)
• M48: 25,514,964 km (0.093 R)
• M49: 25,648,405 km (0.111 R)
• M50: 25,916,036 km (0.106 R)
• M51: 28,366,299 km (0.097 R)
• M52: 29,829,367 km (0.112 R)
• M53: 30,393,201 km (0.045 R)
• M54: 31,103,043 km (0.104 R)
• M55: 31,316,968 km (0.059 R)
• M56: 31,459,983 km (0.106 R)
• M57: 32,394,372 km (0.044 R)
• M58: 32,538,883 km (0.118 R)
• M59: 33,556,747 km (0.056 R)
• M60: 34,143,171 km (0.116 R)
• M61: 34,363,977 km (0.026 R)
• M62: 34,437,579 km (0.066 R)
• M63: 34,585,233 km (0.065 R)
• M64: 35,103,290 km (0.033 R)
• M65: 36,597,623 km (0.074 R)
• M66: 37,050,007 km (0.051 R)
• M67: 38,188,896 km (0.109 R)
• M68: 40,112,575 km (0.094 R)
• M69: 40,423,439 km (0.07 R)
• M70: 40,969,022 km (0.079 R)
• M71: 41,047,262 km (0.114 R)
• M72: 41,910,143 km (0.077 R)
• M73: 43,335,212 km (0.095 R)
• M74: 45,826,465 km (0.109 R)
• M75: 46,803,339 km (0.108 R)
• M76: 47,704,816 km (0.083 R)
• M77: 48,033,932 km (0.025 R)
• M78: 48,694,705 km (0.082 R)
• M79: 49,358,321 km (0.093 R)
• M80: 50,108,555 km (0.106 R)
• M81: 51,704,914 km (0.12 R)
• M82: 52,297,172 km (0.045 R)
• M83: 52,976,795 km (0.087 R)
• M84: 54,430,736 km (0.039 R)
• M85: 54,516,755 km (0.107 R)
• M86: 54,774,812 km (0.097 R)
• M87: 55,119,485 km (0.077 R)
• M88: 56,592,725 km (0.036 R)
• M89: 57,115,719 km (0.065 R)
• M90: 57,640,359 km (0.104 R)
• M91: 57,903,352 km (0.08 R)
• M92: 58,166,644 km (0.081 R)
• M93: 58,342,422 km (0.046 R)
• M94: 58,430,385 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228

Radius: 7.7

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 12.7 AU - 15.46 AU

Year: 18922 Days

Day: 17.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 50,819,835 km

• M1: 532,419 km (0.09 R)
• M2: 1,628,223 km (0.1 R)
• M3: 2,073,875 km (0.079 R)
• M4: 2,500,828 km (0.107 R)
• M5: 2,752,900 km (0.097 R)
• M6: 3,557,437 km (0.097 R)
• M7: 3,745,631 km (0.103 R)
• M8: 4,034,206 km (0.105 R)
• M9: 4,197,567 km (0.072 R)
• M10: 4,497,211 km (0.12 R)
• M11: 4,769,479 km (0.118 R)
• M12: 5,948,161 km (0.107 R)
• M13: 7,370,837 km (0.12 R)
• M14: 7,772,806 km (0.109 R)
• M15: 8,305,823 km (0.063 R)
• M16: 8,514,064 km (0.078 R)
• M17: 9,537,313 km (0.104 R)
• M18: 9,886,923 km (0.115 R)
• M19: 10,285,302 km (0.059 R)
• M20: 11,006,514 km (0.116 R)
• M21: 11,281,175 km (0.083 R)
• M22: 11,790,706 km (0.114 R)
• M23: 12,449,834 km (0.109 R)
• M24: 12,783,886 km (0.081 R)
• M25: 13,558,653 km (0.096 R)
• M26: 14,199,381 km (0.075 R)
• M27: 15,051,939 km (0.104 R)
• M28: 15,766,419 km (0.101 R)
• M29: 17,281,546 km (0.094 R)
• M30: 17,975,680 km (0.11 R)
• M31: 18,897,053 km (0.115 R)
• M32: 19,226,019 km (0.1 R)
• M33: 19,944,987 km (0.104 R)
• M34: 21,466,397 km (0.106 R)
• M35: 21,523,543 km (0.111 R)
• M36: 22,791,684 km (0.072 R)
• M37: 24,261,932 km (0.108 R)
• M38: 25,399,774 km (0.07 R)
• M39: 27,602,902 km (0.116 R)
• M40: 29,612,151 km (0.095 R)
• M41: 29,675,730 km (0.09 R)
• M42: 30,249,587 km (0.104 R)
• M43: 32,058,524 km (0.079 R)
• M44: 32,189,123 km (0.094 R)
• M45: 32,647,491 km (0.111 R)
• M46: 34,235,174 km (0.045 R)
• M47: 34,301,894 km (0.101 R)
• M48: 35,442,428 km (0.12 R)
• M49: 35,509,897 km (0.095 R)
• M50: 36,322,961 km (0.104 R)
• M51: 38,105,570 km (0.078 R)
• M52: 39,356,208 km (0.115 R)
• M53: 39,986,613 km (0.049 R)
• M54: 41,257,447 km (0.111 R)
• M55: 41,826,517 km (0.097 R)
• M56: 43,044,394 km (0.114 R)
• M57: 43,838,609 km (0.03 R)
• M58: 46,767,137 km (0.051 R)
• M59: 50,060,833 km (0.049 R)
• M60: 50,212,376 km (0.095 R)

Kuiper Belt

Range: 30.6 - 53.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 14,865 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit