🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.72 AU - 1 AU

Year: 297 Days

Day: 21.9 Hours

Environment

Temp: 155 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 56,251,873 km

• M1: 704,456 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.85 AU - 1.03 AU

Year: 340 Days

Day: 47.9 Hours

Environment

Temp: 33 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.5

Radius: 14.1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.96 AU - 6.34 AU

Year: 5006 Days

Day: 7.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 56,251,873 km

• M1: 268,079 km (0.105 R)
• M2: 458,966 km (0.112 R)
• M3: 565,630 km (0.076 R)
• M4: 867,967 km (0.048 R)
• M5: 1,102,985 km (0.077 R)
• M6: 1,324,988 km (0.078 R)
• M7: 1,932,206 km (0.119 R)
• M8: 2,386,834 km (0.073 R)
• M9: 2,560,517 km (0.057 R)
• M10: 2,783,867 km (0.034 R)
• M11: 2,951,865 km (0.09 R)
• M12: 3,314,042 km (0.115 R)
• M13: 3,459,750 km (0.082 R)
• M14: 3,607,702 km (0.05 R)
• M15: 3,740,994 km (0.109 R)
• M16: 3,858,877 km (0.086 R)
• M17: 4,255,611 km (0.11 R)
• M18: 4,521,446 km (0.087 R)
• M19: 4,719,962 km (0.078 R)
• M20: 4,847,719 km (0.11 R)
• M21: 4,995,372 km (0.106 R)
• M22: 5,238,319 km (0.103 R)
• M23: 5,466,157 km (0.092 R)
• M24: 5,794,524 km (0.114 R)
• M25: 5,931,705 km (0.104 R)
• M26: 6,089,681 km (0.102 R)
• M27: 6,209,209 km (0.119 R)
• M28: 6,511,397 km (0.1 R)
• M29: 6,653,964 km (0.111 R)
• M30: 6,880,305 km (0.083 R)
• M31: 7,596,131 km (0.118 R)
• M32: 7,789,711 km (0.085 R)
• M33: 8,072,002 km (0.103 R)
• M34: 8,624,616 km (0.116 R)
• M35: 8,849,163 km (0.092 R)
• M36: 8,984,848 km (0.054 R)
• M37: 9,326,978 km (0.083 R)
• M38: 9,511,283 km (0.087 R)
• M39: 9,977,131 km (0.053 R)
• M40: 10,522,265 km (0.109 R)
• M41: 10,618,158 km (0.103 R)
• M42: 10,858,861 km (0.083 R)
• M43: 11,296,883 km (0.081 R)
• M44: 11,740,740 km (0.096 R)
• M45: 11,840,223 km (0.116 R)
• M46: 12,115,034 km (0.065 R)
• M47: 12,341,525 km (0.09 R)
• M48: 12,493,217 km (0.083 R)
• M49: 12,594,794 km (0.115 R)
• M50: 12,696,521 km (0.072 R)
• M51: 13,235,522 km (0.082 R)
• M52: 13,546,985 km (0.096 R)
• M53: 13,677,434 km (0.11 R)
• M54: 13,834,512 km (0.055 R)
• M55: 13,965,859 km (0.044 R)
• M56: 14,789,694 km (0.087 R)
• M57: 15,574,634 km (0.113 R)
• M58: 16,875,537 km (0.101 R)
• M59: 17,016,010 km (0.099 R)
• M60: 17,269,877 km (0.036 R)
• M61: 17,581,789 km (0.112 R)
• M62: 17,781,203 km (0.101 R)
• M63: 17,981,514 km (0.096 R)
• M64: 18,124,979 km (0.109 R)
• M65: 18,268,892 km (0.071 R)
• M66: 18,384,232 km (0.118 R)
• M67: 18,499,871 km (0.106 R)
• M68: 18,615,660 km (0.039 R)
• M69: 18,818,963 km (0.063 R)
• M70: 18,964,672 km (0.081 R)
• M71: 19,521,774 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.1

Radius: 10.1

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.59 AU - 9.03 AU

Year: 7368 Days

Day: 9 Hours

Environment

Temp: -156 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 56,251,873 km

• M1: 143,315 km (0.118 R)
• M2: 211,232 km (0.091 R)
• M3: 367,861 km (0.083 R)
• M4: 516,113 km (0.091 R)
• M5: 593,006 km (0.097 R)
• M6: 998,267 km (0.109 R)
• M7: 1,230,293 km (0.081 R)
• M8: 1,384,379 km (0.078 R)
• M9: 1,594,265 km (0.118 R)
• M10: 1,955,543 km (0.098 R)
• M11: 2,173,507 km (0.086 R)
• M12: 2,285,556 km (0.1 R)
• M13: 2,535,086 km (0.118 R)
• M14: 2,653,268 km (0.1 R)
• M15: 2,936,157 km (0.099 R)
• M16: 3,018,735 km (0.09 R)
• M17: 3,123,155 km (0.103 R)
• M18: 3,314,341 km (0.109 R)
• M19: 3,443,893 km (0.072 R)
• M20: 3,553,099 km (0.09 R)
• M21: 3,685,792 km (0.094 R)
• M22: 3,820,131 km (0.116 R)
• M23: 4,070,708 km (0.07 R)
• M24: 4,163,159 km (0.116 R)
• M25: 4,492,274 km (0.076 R)
• M26: 4,684,209 km (0.053 R)
• M27: 4,903,369 km (0.099 R)
• M28: 5,076,305 km (0.11 R)
• M29: 5,352,013 km (0.042 R)
• M30: 6,261,568 km (0.079 R)
• M31: 6,940,444 km (0.104 R)
• M32: 7,134,771 km (0.061 R)
• M33: 7,302,770 km (0.087 R)
• M34: 7,387,292 km (0.064 R)
• M35: 8,279,345 km (0.08 R)
• M36: 8,367,607 km (0.08 R)
• M37: 8,456,020 km (0.047 R)
• M38: 8,693,431 km (0.12 R)
• M39: 9,114,250 km (0.048 R)
• M40: 9,296,760 km (0.113 R)
• M41: 10,416,350 km (0.094 R)
• M42: 10,959,989 km (0.094 R)
• M43: 11,154,017 km (0.097 R)
• M44: 11,251,405 km (0.071 R)
• M45: 11,316,630 km (0.094 R)
• M46: 11,414,467 km (0.037 R)
• M47: 11,776,045 km (0.058 R)
• M48: 12,645,358 km (0.028 R)
• M49: 12,814,853 km (0.081 R)
• M50: 13,224,901 km (0.086 R)
• M51: 13,293,716 km (0.047 R)
• M52: 13,813,269 km (0.107 R)
• M53: 14,339,405 km (0.053 R)
• M54: 14,587,288 km (0.081 R)
• M55: 14,800,765 km (0.081 R)
• M56: 14,872,272 km (0.105 R)
• M57: 15,231,008 km (0.105 R)
• M58: 15,556,383 km (0.104 R)
• M59: 15,665,291 km (0.043 R)
• M60: 16,324,419 km (0.107 R)
• M61: 16,398,320 km (0.03 R)
• M62: 16,620,323 km (0.045 R)
• M63: 16,768,874 km (0.105 R)
• M64: 17,030,072 km (0.067 R)
• M65: 18,547,892 km (0.068 R)
• M66: 18,779,320 km (0.114 R)
• M67: 20,346,358 km (0.098 R)
• M68: 20,425,794 km (0.042 R)
• M69: 21,508,434 km (0.033 R)
• M70: 22,118,045 km (0.077 R)
• M71: 23,395,761 km (0.075 R)
• M72: 23,562,413 km (0.036 R)
• M73: 24,697,262 km (0.102 R)
• M74: 25,635,241 km (0.085 R)
• M75: 25,806,979 km (0.094 R)
• M76: 26,541,355 km (0.045 R)
• M77: 26,976,535 km (0.108 R)
• M78: 27,107,583 km (0.095 R)
• M79: 27,326,295 km (0.115 R)
• M80: 27,898,058 km (0.118 R)
• M81: 28,740,743 km (0.101 R)
• M82: 29,008,523 km (0.114 R)
• M83: 29,097,983 km (0.093 R)
• M84: 29,771,921 km (0.079 R)
• M85: 29,862,278 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.3

Radius: 13

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.85 AU - 9.77 AU

Year: 9748 Days

Day: 5.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 56,251,873 km

• M1: 197,170 km (0.101 R)
• M2: 432,637 km (0.095 R)
• M3: 837,150 km (0.08 R)
• M4: 1,022,501 km (0.119 R)
• M5: 1,391,709 km (0.092 R)
• M6: 1,638,097 km (0.086 R)
• M7: 1,923,380 km (0.1 R)
• M8: 2,302,910 km (0.109 R)
• M9: 2,706,225 km (0.116 R)
• M10: 2,930,622 km (0.086 R)
• M11: 3,045,214 km (0.08 R)
• M12: 3,579,578 km (0.067 R)
• M13: 4,207,739 km (0.074 R)
• M14: 4,370,203 km (0.025 R)
• M15: 4,534,760 km (0.106 R)
• M16: 5,459,125 km (0.097 R)
• M17: 6,217,886 km (0.114 R)
• M18: 6,590,833 km (0.079 R)
• M19: 6,818,222 km (0.082 R)
• M20: 7,048,154 km (0.092 R)
• M21: 7,241,734 km (0.116 R)
• M22: 7,953,371 km (0.087 R)
• M23: 8,236,260 km (0.119 R)
• M24: 8,399,322 km (0.115 R)
• M25: 8,853,501 km (0.098 R)
• M26: 9,062,639 km (0.116 R)
• M27: 9,273,273 km (0.106 R)
• M28: 9,528,337 km (0.082 R)
• M29: 9,613,907 km (0.082 R)
• M30: 9,699,776 km (0.093 R)
• M31: 9,828,879 km (0.06 R)
• M32: 10,571,782 km (0.086 R)
• M33: 10,972,405 km (0.064 R)
• M34: 12,483,942 km (0.117 R)
• M35: 13,914,098 km (0.091 R)
• M36: 14,011,187 km (0.081 R)
• M37: 14,599,107 km (0.1 R)
• M38: 14,747,358 km (0.09 R)
• M39: 14,995,541 km (0.097 R)
• M40: 15,647,339 km (0.048 R)
• M41: 16,719,806 km (0.094 R)
• M42: 17,030,670 km (0.115 R)
• M43: 17,186,701 km (0.106 R)
• M44: 17,500,408 km (0.069 R)
• M45: 19,205,075 km (0.069 R)
• M46: 19,585,054 km (0.096 R)
• M47: 19,694,111 km (0.075 R)
• M48: 20,962,252 km (0.104 R)
• M49: 21,465,798 km (0.072 R)
• M50: 21,634,395 km (0.042 R)
• M51: 21,803,590 km (0.041 R)
• M52: 22,313,719 km (0.1 R)
• M53: 23,693,161 km (0.116 R)
• M54: 24,276,144 km (0.119 R)
• M55: 25,159,370 km (0.081 R)
• M56: 25,575,102 km (0.066 R)
• M57: 25,754,021 km (0.04 R)
• M58: 25,993,228 km (0.114 R)
• M59: 27,017,974 km (0.092 R)
• M60: 27,382,843 km (0.104 R)
• M61: 28,302,122 km (0.065 R)
• M62: 28,487,175 km (0.106 R)
• M63: 28,610,742 km (0.091 R)
• M64: 29,418,421 km (0.12 R)
• M65: 31,694,403 km (0.12 R)
• M66: 31,950,664 km (0.034 R)
• M67: 32,400,954 km (0.119 R)
• M68: 32,659,310 km (0.068 R)
• M69: 32,983,039 km (0.103 R)
• M70: 34,091,859 km (0.098 R)
• M71: 34,420,376 km (0.108 R)
• M72: 35,744,766 km (0.051 R)
• M73: 36,816,186 km (0.098 R)
• M74: 37,220,698 km (0.114 R)
• M75: 37,966,144 km (0.068 R)
• M76: 40,440,194 km (0.114 R)
• M77: 41,066,710 km (0.094 R)
• M78: 41,206,434 km (0.114 R)
• M79: 41,766,828 km (0.069 R)
• M80: 42,047,922 km (0.068 R)
• M81: 42,329,615 km (0.073 R)
• M82: 44,391,074 km (0.093 R)
• M83: 45,181,399 km (0.104 R)
• M84: 45,325,761 km (0.085 R)
• M85: 46,630,554 km (0.112 R)
• M86: 47,287,588 km (0.107 R)
• M87: 48,684,832 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.7

Radius: 7.3

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 11.27 AU - 14.15 AU

Year: 16892 Days

Day: 24.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 56,251,873 km

• M1: 104,868 km (0.096 R)
• M2: 296,802 km (0.075 R)
• M3: 372,947 km (0.107 R)
• M4: 520,750 km (0.115 R)
• M5: 987,645 km (0.12 R)
• M6: 1,055,862 km (0.102 R)
• M7: 1,196,933 km (0.117 R)
• M8: 1,517,222 km (0.119 R)
• M9: 2,370,528 km (0.107 R)
• M10: 2,416,604 km (0.08 R)
• M11: 2,603,901 km (0.075 R)
• M12: 2,723,429 km (0.12 R)
• M13: 2,918,355 km (0.045 R)
• M14: 3,244,927 km (0.028 R)
• M15: 3,425,492 km (0.119 R)
• M16: 3,689,383 km (0.108 R)
• M17: 3,796,944 km (0.072 R)
• M18: 3,905,402 km (0.109 R)
• M19: 4,577,545 km (0.082 R)
• M20: 5,075,257 km (0.103 R)
• M21: 5,590,173 km (0.094 R)
• M22: 5,744,857 km (0.096 R)
• M23: 6,603,998 km (0.073 R)
• M24: 8,018,595 km (0.081 R)
• M25: 8,123,164 km (0.047 R)
• M26: 8,439,564 km (0.099 R)
• M27: 8,616,987 km (0.117 R)
• M28: 9,893,805 km (0.094 R)
• M29: 10,080,952 km (0.102 R)
• M30: 10,534,981 km (0.052 R)
• M31: 10,879,954 km (0.119 R)
• M32: 11,738,646 km (0.11 R)
• M33: 11,857,426 km (0.074 R)
• M34: 13,149,204 km (0.066 R)
• M35: 13,272,622 km (0.115 R)
• M36: 13,562,094 km (0.069 R)
• M37: 14,400,291 km (0.068 R)
• M38: 14,527,599 km (0.116 R)
• M39: 15,040,121 km (0.075 R)
• M40: 15,125,990 km (0.04 R)
• M41: 15,428,328 km (0.053 R)
• M42: 15,515,094 km (0.112 R)
• M43: 15,863,657 km (0.109 R)
• M44: 15,951,172 km (0.027 R)
• M45: 16,347,158 km (0.05 R)
• M46: 16,568,563 km (0.095 R)
• M47: 17,148,703 km (0.112 R)
• M48: 17,509,084 km (0.099 R)
• M49: 17,690,247 km (0.099 R)
• M50: 18,559,112 km (0.052 R)
• M51: 19,208,067 km (0.1 R)
• M52: 19,254,742 km (0.079 R)
• M53: 19,582,361 km (0.114 R)
• M54: 19,723,282 km (0.05 R)
• M55: 20,148,140 km (0.038 R)
• M56: 21,151,344 km (0.056 R)
• M57: 22,024,098 km (0.114 R)
• M58: 22,612,466 km (0.096 R)
• M59: 22,711,051 km (0.043 R)
• M60: 22,859,153 km (0.083 R)
• M61: 22,958,037 km (0.115 R)
• M62: 23,255,737 km (0.11 R)
• M63: 23,904,842 km (0.1 R)
• M64: 25,119,128 km (0.096 R)
• M65: 25,221,154 km (0.105 R)
• M66: 25,374,492 km (0.074 R)
• M67: 25,476,966 km (0.048 R)
• M68: 26,094,506 km (0.078 R)
• M69: 27,344,247 km (0.052 R)
• M70: 27,606,941 km (0.09 R)
• M71: 27,923,490 km (0.085 R)
• M72: 28,453,665 km (0.076 R)
• M73: 31,153,757 km (0.117 R)
• M74: 32,812,647 km (0.067 R)
• M75: 32,980,197 km (0.117 R)
• M76: 33,596,690 km (0.116 R)
• M77: 33,652,939 km (0.085 R)
• M78: 33,934,482 km (0.033 R)
• M79: 34,556,809 km (0.088 R)
• M80: 34,727,201 km (0.117 R)
• M81: 35,411,611 km (0.088 R)
• M82: 35,985,319 km (0.077 R)
• M83: 36,273,295 km (0.085 R)
• M84: 36,562,019 km (0.084 R)
• M85: 36,619,913 km (0.111 R)
• M86: 37,083,816 km (0.111 R)
• M87: 38,075,949 km (0.076 R)
• M88: 38,487,044 km (0.036 R)
• M89: 38,899,486 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.2

Radius: 7.5

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 10.81 AU - 15.37 AU

Year: 17655 Days

Day: 22.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 56,251,873 km

• M1: 126,111 km (0.081 R)
• M2: 196,422 km (0.058 R)
• M3: 252,072 km (0.111 R)
• M4: 302,038 km (0.12 R)
• M5: 370,554 km (0.112 R)
• M6: 492,925 km (0.111 R)
• M7: 559,496 km (0.092 R)
• M8: 611,556 km (0.094 R)
• M9: 857,495 km (0.073 R)
• M10: 1,023,848 km (0.108 R)
• M11: 1,223,711 km (0.074 R)
• M12: 1,387,969 km (0.109 R)
• M13: 1,584,391 km (0.055 R)
• M14: 2,058,915 km (0.119 R)
• M15: 2,312,035 km (0.065 R)
• M16: 3,162,050 km (0.117 R)
• M17: 3,421,303 km (0.116 R)
• M18: 3,520,337 km (0.085 R)
• M19: 3,586,759 km (0.065 R)
• M20: 4,064,425 km (0.104 R)
• M21: 4,239,753 km (0.051 R)
• M22: 5,003,600 km (0.096 R)
• M23: 5,116,247 km (0.083 R)
• M24: 5,809,334 km (0.098 R)
• M25: 6,086,838 km (0.09 R)
• M26: 6,778,878 km (0.05 R)
• M27: 7,239,789 km (0.062 R)
• M28: 7,324,761 km (0.118 R)
• M29: 9,045,585 km (0.099 R)
• M30: 9,321,144 km (0.101 R)
• M31: 10,402,288 km (0.03 R)
• M32: 10,498,180 km (0.099 R)
• M33: 11,622,109 km (0.034 R)
• M34: 11,871,489 km (0.07 R)
• M35: 12,274,056 km (0.078 R)
• M36: 12,937,972 km (0.11 R)
• M37: 13,300,298 km (0.055 R)
• M38: 14,300,360 km (0.06 R)
• M39: 14,567,541 km (0.118 R)
• M40: 14,674,953 km (0.06 R)
• M41: 17,499,959 km (0.04 R)
• M42: 18,015,473 km (0.114 R)
• M43: 19,355,721 km (0.025 R)
• M44: 19,888,738 km (0.117 R)
• M45: 20,067,657 km (0.094 R)
• M46: 20,306,864 km (0.061 R)
• M47: 20,546,968 km (0.04 R)
• M48: 20,667,395 km (0.118 R)
• M49: 21,090,757 km (0.083 R)
• M50: 22,254,329 km (0.118 R)
• M51: 22,875,010 km (0.106 R)
• M52: 23,250,202 km (0.108 R)
• M53: 23,880,009 km (0.119 R)
• M54: 25,867,865 km (0.09 R)
• M55: 25,997,866 km (0.085 R)
• M56: 27,112,220 km (0.112 R)
• M57: 28,108,393 km (0.11 R)
• M58: 29,522,990 km (0.086 R)
• M59: 30,067,975 km (0.108 R)
• M60: 30,547,586 km (0.072 R)
• M61: 31,029,740 km (0.093 R)
• M62: 31,098,854 km (0.045 R)
• M63: 31,931,666 km (0.06 R)
• M64: 32,280,977 km (0.097 R)
• M65: 32,701,646 km (0.111 R)
• M66: 32,983,189 km (0.116 R)
• M67: 33,194,870 km (0.045 R)
• M68: 34,689,203 km (0.09 R)
• M69: 34,832,518 km (0.109 R)
• M70: 35,120,045 km (0.077 R)
• M71: 39,301,605 km (0.107 R)
• M72: 40,126,487 km (0.109 R)
• M73: 40,201,735 km (0.092 R)
• M74: 40,805,662 km (0.075 R)
• M75: 41,108,747 km (0.109 R)
• M76: 43,251,138 km (0.118 R)
• M77: 43,869,875 km (0.111 R)
• M78: 44,413,663 km (0.117 R)
• M79: 45,979,654 km (0.119 R)
• M80: 46,769,381 km (0.032 R)
• M81: 47,882,538 km (0.077 R)
• M82: 49,004,522 km (0.109 R)
• M83: 50,947,799 km (0.056 R)
• M84: 51,274,221 km (0.099 R)
• M85: 52,421,787 km (0.061 R)
• M86: 52,668,922 km (0.107 R)
• M87: 52,833,779 km (0.111 R)
• M88: 54,408,895 km (0.081 R)
• M89: 54,492,221 km (0.055 R)
• M90: 56,251,941 km (0.111 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 17,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit