🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.66 AU - 0.96 AU

Year: 269 Days

Day: 24.4 Hours

Environment

Temp: 169 °C

Axial Tilt: 37 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.36 AU - 2.06 AU

Year: 825 Days

Day: 45.1 Hours

Environment

Temp: -44 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.85 AU - 1.89 AU

Year: 943 Days

Day: 40.1 Hours

Environment

Temp: -72 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 102,195,058 km

• M1: 298,298 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.56 AU - 2.46 AU

Year: 1051 Days

Day: 31.6 Hours

Environment

Temp: -76 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.93 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.6

Radius: 14.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.77 AU - 6.91 AU

Year: 5207 Days

Day: 7.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 102,195,058 km

• M1: 323,730 km (0.084 R)
• M2: 496,216 km (0.104 R)
• M3: 709,543 km (0.043 R)
• M4: 829,371 km (0.095 R)
• M5: 945,159 km (0.057 R)
• M6: 1,092,214 km (0.078 R)
• M7: 1,342,042 km (0.108 R)
• M8: 2,154,359 km (0.07 R)
• M9: 3,024,719 km (0.044 R)
• M10: 3,382,258 km (0.066 R)
• M11: 3,537,092 km (0.094 R)
• M12: 3,894,033 km (0.077 R)
• M13: 4,346,267 km (0.118 R)
• M14: 4,859,088 km (0.049 R)
• M15: 5,756,825 km (0.049 R)
• M16: 5,942,476 km (0.105 R)
• M17: 6,201,281 km (0.04 R)
• M18: 7,550,055 km (0.092 R)
• M19: 7,779,388 km (0.093 R)
• M20: 7,985,086 km (0.109 R)
• M21: 8,140,518 km (0.1 R)
• M22: 8,560,289 km (0.119 R)
• M23: 8,719,461 km (0.113 R)
• M24: 9,889,167 km (0.069 R)
• M25: 10,992,601 km (0.093 R)
• M26: 11,107,941 km (0.072 R)
• M27: 11,867,898 km (0.115 R)
• M28: 13,407,111 km (0.085 R)
• M29: 14,153,155 km (0.032 R)
• M30: 14,753,342 km (0.083 R)
• M31: 14,912,664 km (0.11 R)
• M32: 15,040,570 km (0.093 R)
• M33: 15,136,761 km (0.108 R)
• M34: 15,815,636 km (0.119 R)
• M35: 16,175,270 km (0.104 R)
• M36: 16,306,617 km (0.117 R)
• M37: 16,969,186 km (0.119 R)
• M38: 17,236,667 km (0.077 R)
• M39: 18,013,528 km (0.118 R)
• M40: 18,354,911 km (0.101 R)
• M41: 18,491,942 km (0.107 R)
• M42: 18,940,138 km (0.038 R)
• M43: 19,078,665 km (0.075 R)
• M44: 19,847,000 km (0.086 R)
• M45: 19,952,466 km (0.106 R)
• M46: 20,058,232 km (0.116 R)
• M47: 20,910,940 km (0.044 R)
• M48: 21,054,255 km (0.095 R)
• M49: 21,993,430 km (0.096 R)
• M50: 22,468,254 km (0.106 R)
• M51: 22,688,462 km (0.101 R)
• M52: 22,798,865 km (0.067 R)
• M53: 22,983,319 km (0.057 R)
• M54: 23,576,774 km (0.11 R)
• M55: 23,875,371 km (0.071 R)
• M56: 24,025,268 km (0.117 R)
• M57: 24,552,003 km (0.116 R)
• M58: 24,703,096 km (0.111 R)
• M59: 24,968,483 km (0.098 R)
• M60: 25,272,915 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.4

Radius: 10.4

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.97 AU - 6.83 AU

Year: 5288 Days

Day: 8.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 102,195,058 km

• M1: 130,150 km (0.115 R)
• M2: 214,075 km (0.08 R)
• M3: 395,088 km (0.115 R)
• M4: 468,989 km (0.103 R)
• M5: 712,535 km (0.08 R)
• M6: 970,142 km (0.063 R)
• M7: 1,556,117 km (0.06 R)
• M8: 1,698,085 km (0.095 R)
• M9: 1,778,719 km (0.113 R)
• M10: 2,184,428 km (0.102 R)
• M11: 2,344,049 km (0.108 R)
• M12: 2,544,510 km (0.081 R)
• M13: 2,750,656 km (0.095 R)
• M14: 2,826,951 km (0.091 R)
• M15: 3,422,201 km (0.118 R)
• M16: 3,546,068 km (0.092 R)
• M17: 4,077,589 km (0.114 R)
• M18: 4,386,359 km (0.027 R)
• M19: 4,498,558 km (0.069 R)
• M20: 4,566,176 km (0.035 R)
• M21: 4,794,462 km (0.07 R)
• M22: 5,073,462 km (0.041 R)
• M23: 5,744,857 km (0.102 R)
• M24: 6,041,360 km (0.082 R)
• M25: 6,266,954 km (0.12 R)
• M26: 6,368,082 km (0.084 R)
• M27: 6,495,390 km (0.109 R)
• M28: 6,882,100 km (0.116 R)
• M29: 7,012,699 km (0.088 R)
• M30: 7,276,440 km (0.08 R)
• M31: 7,624,106 km (0.119 R)
• M32: 7,977,306 km (0.115 R)
• M33: 8,335,893 km (0.06 R)
• M34: 8,727,989 km (0.066 R)
• M35: 9,154,791 km (0.087 R)
• M36: 9,969,800 km (0.06 R)
• M37: 10,206,913 km (0.089 R)
• M38: 11,173,914 km (0.105 R)
• M39: 11,327,700 km (0.12 R)
• M40: 11,855,631 km (0.101 R)
• M41: 12,075,391 km (0.119 R)
• M42: 12,423,505 km (0.082 R)
• M43: 12,807,074 km (0.045 R)
• M44: 13,291,920 km (0.111 R)
• M45: 13,585,731 km (0.052 R)
• M46: 14,013,880 km (0.057 R)
• M47: 14,080,152 km (0.074 R)
• M48: 14,580,556 km (0.081 R)
• M49: 14,917,451 km (0.115 R)
• M50: 15,154,863 km (0.059 R)
• M51: 15,461,838 km (0.035 R)
• M52: 15,667,535 km (0.107 R)
• M53: 15,839,722 km (0.11 R)
• M54: 16,290,460 km (0.117 R)
• M55: 16,360,173 km (0.115 R)
• M56: 16,640,070 km (0.106 R)
• M57: 16,992,074 km (0.075 R)
• M58: 17,882,929 km (0.087 R)
• M59: 17,954,736 km (0.047 R)
• M60: 18,715,890 km (0.081 R)
• M61: 18,825,396 km (0.093 R)
• M62: 19,045,305 km (0.078 R)
• M63: 19,970,269 km (0.099 R)
• M64: 20,607,705 km (0.104 R)
• M65: 20,758,649 km (0.062 R)
• M66: 20,834,196 km (0.108 R)
• M67: 20,909,893 km (0.055 R)
• M68: 21,023,587 km (0.1 R)
• M69: 21,518,906 km (0.086 R)
• M70: 21,787,135 km (0.09 R)
• M71: 22,793,180 km (0.05 R)
• M72: 23,184,080 km (0.115 R)
• M73: 24,211,069 km (0.1 R)
• M74: 24,730,024 km (0.092 R)
• M75: 25,010,969 km (0.057 R)
• M76: 25,091,452 km (0.082 R)
• M77: 25,212,328 km (0.056 R)
• M78: 26,104,828 km (0.1 R)
• M79: 26,966,213 km (0.102 R)
• M80: 27,214,097 km (0.095 R)
• M81: 27,753,696 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.6

Radius: 11

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.66 AU - 7.54 AU

Year: 5559 Days

Day: 11.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 102,195,058 km

• M1: 148,850 km (0.116 R)
• M2: 219,161 km (0.05 R)
• M3: 541,395 km (0.111 R)
• M4: 1,027,588 km (0.084 R)
• M5: 1,167,761 km (0.094 R)
• M6: 1,281,306 km (0.095 R)
• M7: 1,415,944 km (0.096 R)
• M8: 1,590,973 km (0.066 R)
• M9: 1,792,033 km (0.086 R)
• M10: 1,905,278 km (0.057 R)
• M11: 1,982,172 km (0.096 R)
• M12: 2,320,861 km (0.084 R)
• M13: 2,528,653 km (0.06 R)
• M14: 2,635,017 km (0.081 R)
• M15: 3,120,612 km (0.045 R)
• M16: 3,491,465 km (0.073 R)
• M17: 3,827,462 km (0.101 R)
• M18: 4,453,678 km (0.064 R)
• M19: 4,687,051 km (0.088 R)
• M20: 5,274,223 km (0.069 R)
• M21: 5,493,683 km (0.111 R)
• M22: 6,169,865 km (0.081 R)
• M23: 7,051,894 km (0.053 R)
• M24: 7,569,203 km (0.114 R)
• M25: 8,067,364 km (0.112 R)
• M26: 8,257,054 km (0.1 R)
• M27: 8,512,119 km (0.048 R)
• M28: 8,608,460 km (0.107 R)
• M29: 8,737,413 km (0.107 R)
• M30: 9,062,789 km (0.112 R)
• M31: 9,392,054 km (0.107 R)
• M32: 9,759,017 km (0.075 R)
• M33: 9,893,506 km (0.071 R)
• M34: 10,575,672 km (0.083 R)
• M35: 11,343,558 km (0.081 R)
• M36: 11,520,682 km (0.116 R)
• M37: 13,006,787 km (0.079 R)
• M38: 13,753,430 km (0.099 R)
• M39: 13,980,220 km (0.118 R)
• M40: 14,590,879 km (0.051 R)
• M41: 14,899,499 km (0.085 R)
• M42: 14,976,991 km (0.037 R)
• M43: 15,132,273 km (0.034 R)
• M44: 16,235,109 km (0.098 R)
• M45: 17,038,599 km (0.047 R)
• M46: 18,185,117 km (0.1 R)
• M47: 18,309,433 km (0.098 R)
• M48: 19,314,282 km (0.068 R)
• M49: 19,610,785 km (0.089 R)
• M50: 19,738,242 km (0.11 R)
• M51: 20,122,410 km (0.094 R)
• M52: 20,941,608 km (0.063 R)
• M53: 21,947,803 km (0.093 R)
• M54: 22,124,478 km (0.118 R)
• M55: 22,924,976 km (0.086 R)
• M56: 23,463,977 km (0.106 R)
• M57: 24,554,546 km (0.12 R)
• M58: 24,875,732 km (0.093 R)
• M59: 25,105,963 km (0.105 R)
• M60: 25,429,544 km (0.05 R)
• M61: 26,127,567 km (0.102 R)
• M62: 26,267,890 km (0.119 R)
• M63: 26,879,147 km (0.068 R)
• M64: 27,399,897 km (0.114 R)
• M65: 27,733,052 km (0.036 R)
• M66: 28,403,400 km (0.056 R)
• M67: 28,547,762 km (0.102 R)
• M68: 30,989,199 km (0.112 R)
• M69: 31,535,231 km (0.113 R)
• M70: 32,184,636 km (0.119 R)
• M71: 32,687,135 km (0.115 R)
• M72: 33,903,964 km (0.109 R)
• M73: 34,057,152 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.1

Radius: 3

Gravity: 94.12 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 10.9 AU - 15.82 AU

Year: 18017 Days

Day: 16 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 102,195,058 km

• M1: 44,131 km (0.119 R)
• M2: 375,191 km (0.089 R)
• M3: 413,339 km (0.088 R)
• M4: 493,823 km (0.063 R)
• M5: 514,617 km (0.103 R)
• M6: 601,383 km (0.069 R)
• M7: 888,611 km (0.067 R)
• M8: 1,073,514 km (0.058 R)
• M9: 1,539,063 km (0.096 R)
• M10: 1,632,562 km (0.084 R)
• M11: 2,127,581 km (0.092 R)
• M12: 3,402,304 km (0.082 R)
• M13: 3,772,260 km (0.084 R)
• M14: 5,233,682 km (0.081 R)
• M15: 5,516,272 km (0.083 R)
• M16: 5,949,358 km (0.103 R)
• M17: 6,695,103 km (0.031 R)
• M18: 7,787,467 km (0.09 R)
• M19: 8,381,370 km (0.101 R)
• M20: 9,214,481 km (0.075 R)
• M21: 9,271,029 km (0.111 R)
• M22: 9,669,558 km (0.089 R)
• M23: 9,842,044 km (0.074 R)
• M24: 10,015,577 km (0.092 R)
• M25: 10,131,815 km (0.096 R)
• M26: 10,898,354 km (0.086 R)
• M27: 11,077,872 km (0.043 R)
• M28: 11,258,287 km (0.074 R)
• M29: 11,439,749 km (0.103 R)
• M30: 11,683,295 km (0.109 R)
• M31: 12,175,322 km (0.115 R)
• M32: 12,423,954 km (0.116 R)
• M33: 14,210,003 km (0.09 R)
• M34: 14,340,601 km (0.028 R)
• M35: 15,066,151 km (0.088 R)
• M36: 15,938,905 km (0.096 R)
• M37: 16,210,724 km (0.115 R)
• M38: 16,827,965 km (0.075 R)
• M39: 17,662,721 km (0.032 R)
• M40: 18,725,016 km (0.073 R)
• M41: 19,372,326 km (0.062 R)
• M42: 19,517,137 km (0.07 R)
• M43: 20,688,638 km (0.075 R)
• M44: 20,910,790 km (0.04 R)
• M45: 20,984,991 km (0.096 R)
• M46: 21,582,186 km (0.112 R)
• M47: 21,657,134 km (0.071 R)
• M48: 22,640,291 km (0.116 R)
• M49: 23,483,575 km (0.087 R)
• M50: 25,121,671 km (0.083 R)
• M51: 26,314,265 km (0.08 R)
• M52: 29,499,803 km (0.05 R)
• M53: 30,588,277 km (0.05 R)
• M54: 31,010,442 km (0.092 R)
• M55: 31,264,609 km (0.073 R)
• M56: 31,604,645 km (0.113 R)
• M57: 33,757,508 km (0.118 R)
• M58: 34,106,370 km (0.094 R)
• M59: 34,983,612 km (0.072 R)
• M60: 36,135,216 km (0.11 R)
• M61: 39,205,114 km (0.029 R)
• M62: 40,308,398 km (0.112 R)
• M63: 41,515,055 km (0.115 R)
• M64: 43,678,838 km (0.114 R)
• M65: 45,686,292 km (0.107 R)
• M66: 46,072,105 km (0.092 R)
• M67: 46,362,026 km (0.07 R)
• M68: 46,846,872 km (0.09 R)
• M69: 47,723,516 km (0.078 R)
• M70: 48,605,695 km (0.11 R)
• M71: 49,295,640 km (0.082 R)
• M72: 49,592,143 km (0.083 R)
• M73: 50,585,323 km (0.067 R)
• M74: 50,984,301 km (0.116 R)
• M75: 51,785,547 km (0.119 R)
• M76: 51,986,606 km (0.106 R)
• M77: 53,197,751 km (0.052 R)
• M78: 55,339,693 km (0.099 R)
• M79: 57,094,177 km (0.09 R)
• M80: 57,405,640 km (0.065 R)
• M81: 58,134,630 km (0.111 R)
• M82: 58,866,762 km (0.108 R)
• M83: 59,076,498 km (0.094 R)
• M84: 60,128,919 km (0.11 R)
• M85: 60,657,449 km (0.118 R)
• M86: 61,825,509 km (0.091 R)
• M87: 65,157,203 km (0.104 R)
• M88: 67,666,558 km (0.036 R)
• M89: 68,326,434 km (0.107 R)
• M90: 68,767,448 km (0.092 R)
• M91: 69,763,172 km (0.091 R)
• M92: 74,926,842 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.7

Radius: 6.9

Gravity: 18.16 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 14.9 AU - 20.7 AU

Year: 27708 Days

Day: 21.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 102,195,058 km

• M1: 220,058 km (0.081 R)
• M2: 812,466 km (0.068 R)
• M3: 1,261,858 km (0.086 R)
• M4: 2,706,076 km (0.085 R)
• M5: 3,314,790 km (0.106 R)
• M6: 3,412,178 km (0.094 R)
• M7: 3,964,493 km (0.059 R)
• M8: 4,330,410 km (0.096 R)
• M9: 5,434,591 km (0.099 R)
• M10: 6,077,264 km (0.047 R)
• M11: 6,136,804 km (0.102 R)
• M12: 6,377,208 km (0.106 R)
• M13: 6,929,523 km (0.09 R)
• M14: 7,369,640 km (0.104 R)
• M15: 8,743,547 km (0.095 R)
• M16: 11,422,396 km (0.048 R)
• M17: 11,792,501 km (0.108 R)
• M18: 11,867,001 km (0.057 R)
• M19: 12,392,688 km (0.105 R)
• M20: 12,926,154 km (0.113 R)
• M21: 13,156,983 km (0.097 R)
• M22: 14,411,361 km (0.115 R)
• M23: 14,490,947 km (0.094 R)
• M24: 15,785,418 km (0.038 R)
• M25: 15,949,826 km (0.078 R)
• M26: 16,363,314 km (0.06 R)
• M27: 16,612,993 km (0.088 R)
• M28: 17,624,724 km (0.065 R)
• M29: 18,052,125 km (0.09 R)
• M30: 20,061,822 km (0.113 R)
• M31: 21,501,253 km (0.093 R)
• M32: 22,049,529 km (0.115 R)
• M33: 22,509,992 km (0.073 R)
• M34: 23,346,842 km (0.119 R)
• M35: 24,193,716 km (0.064 R)
• M36: 24,478,251 km (0.1 R)
• M37: 24,859,426 km (0.059 R)
• M38: 26,014,621 km (0.111 R)
• M39: 29,786,133 km (0.096 R)
• M40: 31,527,901 km (0.069 R)
• M41: 32,777,193 km (0.079 R)
• M42: 33,407,897 km (0.112 R)
• M43: 34,895,050 km (0.097 R)
• M44: 35,216,536 km (0.078 R)
• M45: 35,970,509 km (0.116 R)
• M46: 36,512,203 km (0.081 R)
• M47: 37,384,807 km (0.066 R)
• M48: 39,372,813 km (0.051 R)
• M49: 41,394,928 km (0.101 R)
• M50: 41,735,263 km (0.08 R)
• M51: 43,681,082 km (0.109 R)
• M52: 44,606,943 km (0.027 R)
• M53: 49,934,423 km (0.113 R)
• M54: 50,054,999 km (0.088 R)
• M55: 50,296,599 km (0.099 R)
• M56: 50,780,997 km (0.094 R)
• M57: 51,023,645 km (0.08 R)
• M58: 51,510,436 km (0.051 R)
• M59: 51,632,209 km (0.081 R)
• M60: 51,998,574 km (0.109 R)
• M61: 54,090,551 km (0.104 R)
• M62: 54,338,435 km (0.107 R)
• M63: 54,586,767 km (0.064 R)
• M64: 57,595,629 km (0.111 R)
• M65: 58,610,501 km (0.109 R)
• M66: 58,992,574 km (0.048 R)
• M67: 59,631,207 km (0.098 R)
• M68: 62,989,081 km (0.093 R)
• M69: 65,217,491 km (0.079 R)
• M70: 65,613,476 km (0.088 R)
• M71: 66,275,148 km (0.106 R)
• M72: 66,673,228 km (0.05 R)
• M73: 67,205,198 km (0.045 R)
• M74: 68,407,217 km (0.114 R)
• M75: 69,751,354 km (0.094 R)
• M76: 70,156,165 km (0.118 R)
• M77: 70,291,402 km (0.098 R)
• M78: 72,465,358 km (0.053 R)
• M79: 74,247,966 km (0.059 R)
• M80: 79,681,660 km (0.085 R)
• M81: 79,822,581 km (0.096 R)
• M82: 80,528,833 km (0.119 R)
• M83: 81,095,360 km (0.09 R)
• M84: 82,232,304 km (0.095 R)
• M85: 82,802,870 km (0.073 R)
• M86: 83,374,633 km (0.083 R)
• M87: 85,097,702 km (0.069 R)
• M88: 87,559,035 km (0.112 R)
• M89: 91,515,749 km (0.03 R)
• M90: 91,811,205 km (0.098 R)
• M91: 93,144,421 km (0.025 R)
• M92: 99,450,570 km (0.051 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 11,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit