🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.67 AU - 0.95 AU

Year: 259 Days

Day: 18.2 Hours

Environment

Temp: 141 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,231,875 km

• M1: 106,364 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.12 AU - 1.36 AU

Year: 490 Days

Day: 32.5 Hours

Environment

Temp: 23 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.8 AU - 2.42 AU

Year: 1087 Days

Day: 31.7 Hours

Environment

Temp: -56 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.74 AU - 5.86 AU

Year: 4329 Days

Day: 19.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.7

Radius: 8.2

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.89 AU - 5.99 AU

Year: 4501 Days

Day: 6.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 52,231,875 km

• M1: 140,323 km (0.098 R)
• M2: 250,128 km (0.041 R)
• M3: 301,141 km (0.095 R)
• M4: 444,754 km (0.12 R)
• M5: 601,683 km (0.061 R)
• M6: 969,544 km (0.047 R)
• M7: 1,123,929 km (0.089 R)
• M8: 1,574,817 km (0.111 R)
• M9: 1,931,159 km (0.116 R)
• M10: 2,244,417 km (0.078 R)
• M11: 2,381,000 km (0.098 R)
• M12: 2,485,419 km (0.107 R)
• M13: 2,609,136 km (0.12 R)
• M14: 3,030,105 km (0.098 R)
• M15: 3,086,653 km (0.112 R)
• M16: 3,200,646 km (0.103 R)
• M17: 3,452,569 km (0.062 R)
• M18: 3,630,890 km (0.075 R)
• M19: 4,058,441 km (0.106 R)
• M20: 4,373,793 km (0.043 R)
• M21: 4,916,983 km (0.053 R)
• M22: 5,050,424 km (0.034 R)
• M23: 5,117,743 km (0.098 R)
• M24: 5,343,935 km (0.09 R)
• M25: 5,527,342 km (0.069 R)
• M26: 5,947,563 km (0.031 R)
• M27: 6,042,258 km (0.111 R)
• M28: 6,113,766 km (0.117 R)
• M29: 6,329,785 km (0.078 R)
• M30: 6,719,936 km (0.117 R)
• M31: 7,677,662 km (0.106 R)
• M32: 8,146,202 km (0.069 R)
• M33: 8,277,998 km (0.071 R)
• M34: 9,029,129 km (0.076 R)
• M35: 9,551,226 km (0.084 R)
• M36: 9,829,926 km (0.101 R)
• M37: 10,168,018 km (0.111 R)
• M38: 10,595,868 km (0.04 R)
• M39: 11,263,373 km (0.061 R)
• M40: 11,587,402 km (0.092 R)
• M41: 12,064,320 km (0.112 R)
• M42: 12,426,198 km (0.09 R)
• M43: 12,517,303 km (0.066 R)
• M44: 12,914,186 km (0.073 R)
• M45: 13,222,507 km (0.103 R)
• M46: 14,003,707 km (0.055 R)
• M47: 14,415,700 km (0.078 R)
• M48: 14,479,578 km (0.077 R)
• M49: 15,154,713 km (0.099 R)
• M50: 15,251,952 km (0.084 R)
• M51: 15,872,932 km (0.072 R)
• M52: 16,070,701 km (0.113 R)
• M53: 16,702,602 km (0.061 R)
• M54: 16,836,642 km (0.097 R)
• M55: 16,903,811 km (0.114 R)
• M56: 17,038,449 km (0.027 R)
• M57: 17,716,726 km (0.11 R)
• M58: 17,785,092 km (0.05 R)
• M59: 17,990,490 km (0.111 R)
• M60: 18,162,378 km (0.09 R)
• M61: 18,924,879 km (0.09 R)
• M62: 19,204,776 km (0.107 R)
• M63: 19,345,249 km (0.117 R)
• M64: 19,698,000 km (0.108 R)
• M65: 19,910,579 km (0.092 R)
• M66: 20,302,376 km (0.088 R)
• M67: 21,748,389 km (0.046 R)
• M68: 22,004,800 km (0.045 R)
• M69: 22,446,712 km (0.056 R)
• M70: 22,631,764 km (0.101 R)
• M71: 22,780,165 km (0.081 R)
• M72: 23,564,507 km (0.112 R)
• M73: 24,205,833 km (0.078 R)
• M74: 24,319,677 km (0.099 R)
• M75: 25,006,182 km (0.075 R)
• M76: 25,274,859 km (0.049 R)
• M77: 25,467,392 km (0.115 R)
• M78: 25,621,627 km (0.038 R)
• M79: 25,892,549 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.8

Radius: 13.1

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.97 AU - 9.29 AU

Year: 7477 Days

Day: 6.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 52,231,875 km

• M1: 178,470 km (0.109 R)
• M2: 278,551 km (0.061 R)
• M3: 641,924 km (0.097 R)
• M4: 911,649 km (0.106 R)
• M5: 1,106,426 km (0.059 R)
• M6: 1,315,713 km (0.083 R)
• M7: 1,730,249 km (0.072 R)
• M8: 1,818,213 km (0.107 R)
• M9: 1,907,672 km (0.075 R)
• M10: 2,091,229 km (0.055 R)
• M11: 2,185,176 km (0.094 R)
• M12: 2,304,854 km (0.112 R)
• M13: 2,779,828 km (0.101 R)
• M14: 3,285,618 km (0.104 R)
• M15: 3,423,547 km (0.102 R)
• M16: 4,024,183 km (0.055 R)
• M17: 4,443,057 km (0.054 R)
• M18: 5,065,833 km (0.11 R)
• M19: 5,290,379 km (0.117 R)
• M20: 5,782,556 km (0.108 R)
• M21: 6,392,915 km (0.083 R)
• M22: 7,130,882 km (0.032 R)
• M23: 7,238,592 km (0.097 R)
• M24: 7,491,861 km (0.081 R)
• M25: 7,674,670 km (0.118 R)
• M26: 9,150,603 km (0.118 R)
• M27: 9,306,932 km (0.114 R)
• M28: 10,021,262 km (0.077 R)
• M29: 10,630,125 km (0.081 R)
• M30: 10,712,255 km (0.069 R)
• M31: 10,794,534 km (0.046 R)
• M32: 10,876,962 km (0.1 R)
• M33: 10,959,690 km (0.111 R)
• M34: 11,460,543 km (0.118 R)
• M35: 12,441,457 km (0.11 R)
• M36: 12,745,290 km (0.034 R)
• M37: 13,360,436 km (0.057 R)
• M38: 13,449,148 km (0.11 R)
• M39: 14,301,257 km (0.119 R)
• M40: 14,528,496 km (0.114 R)
• M41: 15,495,796 km (0.103 R)
• M42: 15,729,169 km (0.111 R)
• M43: 16,010,712 km (0.101 R)
• M44: 16,293,901 km (0.039 R)
• M45: 16,769,772 km (0.087 R)
• M46: 17,201,960 km (0.033 R)
• M47: 17,346,771 km (0.079 R)
• M48: 17,881,583 km (0.069 R)
• M49: 18,520,516 km (0.078 R)
• M50: 19,467,769 km (0.087 R)
• M51: 19,770,107 km (0.095 R)
• M52: 20,995,313 km (0.064 R)
• M53: 22,140,036 km (0.118 R)
• M54: 23,358,361 km (0.12 R)
• M55: 24,598,378 km (0.109 R)
• M56: 25,144,261 km (0.118 R)
• M57: 25,363,721 km (0.093 R)
• M58: 25,749,234 km (0.047 R)
• M59: 26,247,844 km (0.056 R)
• M60: 26,861,644 km (0.114 R)
• M61: 27,367,285 km (0.061 R)
• M62: 28,731,169 km (0.087 R)
• M63: 29,536,903 km (0.114 R)
• M64: 30,000,806 km (0.117 R)
• M65: 31,406,577 km (0.071 R)
• M66: 31,761,423 km (0.12 R)
• M67: 31,939,295 km (0.034 R)
• M68: 32,236,546 km (0.039 R)
• M69: 32,534,695 km (0.088 R)
• M70: 33,013,707 km (0.069 R)
• M71: 33,918,176 km (0.078 R)
• M72: 34,891,759 km (0.047 R)
• M73: 36,121,752 km (0.104 R)
• M74: 37,053,597 km (0.111 R)
• M75: 37,428,490 km (0.12 R)
• M76: 39,194,941 km (0.085 R)
• M77: 39,322,100 km (0.058 R)
• M78: 39,768,500 km (0.11 R)
• M79: 39,896,256 km (0.049 R)
• M80: 41,182,050 km (0.058 R)
• M81: 41,700,257 km (0.112 R)
• M82: 41,830,108 km (0.112 R)
• M83: 42,090,259 km (0.083 R)
• M84: 42,873,852 km (0.048 R)
• M85: 43,333,267 km (0.097 R)
• M86: 43,926,273 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.8

Radius: 12

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.6 AU - 11.72 AU

Year: 11489 Days

Day: 14.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 52,231,875 km

• M1: 150,645 km (0.059 R)
• M2: 361,877 km (0.074 R)
• M3: 472,280 km (0.111 R)
• M4: 766,839 km (0.091 R)
• M5: 1,081,293 km (0.094 R)
• M6: 1,760,019 km (0.118 R)
• M7: 1,873,115 km (0.093 R)
• M8: 2,059,364 km (0.096 R)
• M9: 2,154,808 km (0.117 R)
• M10: 2,577,571 km (0.074 R)
• M11: 2,733,153 km (0.069 R)
• M12: 2,812,141 km (0.069 R)
• M13: 3,026,515 km (0.044 R)
• M14: 3,190,923 km (0.112 R)
• M15: 3,500,141 km (0.061 R)
• M16: 3,643,905 km (0.077 R)
• M17: 4,057,094 km (0.104 R)
• M18: 4,423,310 km (0.1 R)
• M19: 4,579,041 km (0.11 R)
• M20: 5,518,366 km (0.065 R)
• M21: 5,890,267 km (0.081 R)
• M22: 8,134,235 km (0.092 R)
• M23: 8,402,763 km (0.083 R)
• M24: 8,948,645 km (0.119 R)
• M25: 10,033,529 km (0.117 R)
• M26: 10,115,658 km (0.072 R)
• M27: 10,280,366 km (0.111 R)
• M28: 11,372,729 km (0.083 R)
• M29: 12,194,321 km (0.094 R)
• M30: 12,325,817 km (0.065 R)
• M31: 12,501,894 km (0.104 R)
• M32: 12,990,331 km (0.066 R)
• M33: 13,485,051 km (0.119 R)
• M34: 13,894,351 km (0.105 R)
• M35: 14,215,687 km (0.101 R)
• M36: 14,446,666 km (0.089 R)
• M37: 14,632,317 km (0.087 R)
• M38: 15,052,987 km (0.097 R)
• M39: 15,620,112 km (0.044 R)
• M40: 17,215,573 km (0.099 R)
• M41: 17,709,246 km (0.076 R)
• M42: 17,908,062 km (0.086 R)
• M43: 18,559,261 km (0.062 R)
• M44: 19,116,364 km (0.083 R)
• M45: 20,247,025 km (0.045 R)
• M46: 20,350,846 km (0.104 R)
• M47: 20,454,966 km (0.118 R)
• M48: 20,872,942 km (0.115 R)
• M49: 21,030,319 km (0.054 R)
• M50: 23,276,082 km (0.046 R)
• M51: 23,548,350 km (0.077 R)
• M52: 25,037,597 km (0.109 R)
• M53: 27,817,275 km (0.105 R)
• M54: 28,106,298 km (0.116 R)
• M55: 28,222,237 km (0.108 R)
• M56: 28,396,518 km (0.087 R)
• M57: 29,155,428 km (0.117 R)
• M58: 29,861,829 km (0.079 R)
• M59: 30,039,402 km (0.11 R)
• M60: 30,693,294 km (0.039 R)
• M61: 33,662,513 km (0.12 R)
• M62: 34,900,585 km (0.049 R)
• M63: 35,025,349 km (0.086 R)
• M64: 36,090,636 km (0.098 R)
• M65: 36,722,238 km (0.075 R)
• M66: 36,975,956 km (0.12 R)
• M67: 37,166,544 km (0.114 R)
• M68: 38,060,690 km (0.086 R)
• M69: 38,897,092 km (0.08 R)
• M70: 40,326,500 km (0.072 R)
• M71: 40,457,398 km (0.103 R)
• M72: 40,588,296 km (0.066 R)
• M73: 40,850,541 km (0.101 R)
• M74: 41,508,772 km (0.085 R)
• M75: 41,773,111 km (0.103 R)
• M76: 42,037,899 km (0.119 R)
• M77: 42,635,842 km (0.084 R)
• M78: 42,835,854 km (0.05 R)
• M79: 43,370,517 km (0.053 R)
• M80: 44,176,700 km (0.069 R)
• M81: 45,123,505 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.5

Radius: 11.1

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 10.17 AU - 13.95 AU

Year: 14858 Days

Day: 6.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 52,231,875 km

• M1: 149,448 km (0.039 R)
• M2: 265,237 km (0.052 R)
• M3: 363,822 km (0.1 R)
• M4: 591,211 km (0.068 R)
• M5: 1,055,114 km (0.036 R)
• M6: 1,129,763 km (0.062 R)
• M7: 1,419,684 km (0.113 R)
• M8: 1,503,010 km (0.106 R)
• M9: 1,645,577 km (0.079 R)
• M10: 3,685,792 km (0.117 R)
• M11: 4,402,217 km (0.096 R)
• M12: 4,692,436 km (0.026 R)
• M13: 5,335,258 km (0.049 R)
• M14: 5,824,443 km (0.087 R)
• M15: 7,182,194 km (0.055 R)
• M16: 7,721,943 km (0.119 R)
• M17: 8,325,869 km (0.119 R)
• M18: 8,479,207 km (0.076 R)
• M19: 8,581,981 km (0.097 R)
• M20: 10,063,898 km (0.07 R)
• M21: 10,172,805 km (0.063 R)
• M22: 10,778,676 km (0.067 R)
• M23: 11,001,876 km (0.107 R)
• M24: 11,114,075 km (0.076 R)
• M25: 11,226,572 km (0.036 R)
• M26: 11,509,761 km (0.106 R)
• M27: 12,025,275 km (0.037 R)
• M28: 12,373,090 km (0.12 R)
• M29: 12,842,229 km (0.116 R)
• M30: 13,436,731 km (0.088 R)
• M31: 13,676,985 km (0.106 R)
• M32: 14,406,574 km (0.102 R)
• M33: 14,776,081 km (0.025 R)
• M34: 15,713,611 km (0.089 R)
• M35: 15,840,171 km (0.119 R)
• M36: 16,928,645 km (0.075 R)
• M37: 17,514,769 km (0.077 R)
• M38: 18,907,974 km (0.102 R)
• M39: 19,515,940 km (0.052 R)
• M40: 19,856,574 km (0.07 R)
• M41: 20,130,488 km (0.107 R)
• M42: 22,153,201 km (0.106 R)
• M43: 23,152,664 km (0.108 R)
• M44: 23,585,600 km (0.09 R)
• M45: 23,730,411 km (0.063 R)
• M46: 24,386,099 km (0.113 R)
• M47: 25,343,674 km (0.031 R)
• M48: 25,566,426 km (0.103 R)
• M49: 25,789,775 km (0.074 R)
• M50: 27,600,059 km (0.049 R)
• M51: 28,984,587 km (0.116 R)
• M52: 29,217,511 km (0.079 R)
• M53: 29,451,034 km (0.045 R)
• M54: 29,607,214 km (0.048 R)
• M55: 29,841,783 km (0.071 R)
• M56: 30,391,555 km (0.067 R)
• M57: 31,262,365 km (0.108 R)
• M58: 31,820,664 km (0.103 R)
• M59: 34,415,140 km (0.08 R)
• M60: 34,579,548 km (0.043 R)
• M61: 35,405,478 km (0.112 R)
• M62: 36,572,640 km (0.1 R)
• M63: 37,583,024 km (0.111 R)
• M64: 37,837,191 km (0.068 R)
• M65: 40,843,061 km (0.082 R)
• M66: 41,540,786 km (0.114 R)
• M67: 41,803,479 km (0.12 R)
• M68: 42,066,772 km (0.091 R)
• M69: 43,302,600 km (0.071 R)
• M70: 45,900,067 km (0.105 R)
• M71: 45,990,574 km (0.106 R)
• M72: 46,443,706 km (0.04 R)
• M73: 50,495,714 km (0.083 R)
• M74: 50,776,060 km (0.105 R)
• M75: 51,432,197 km (0.092 R)
• M76: 51,620,241 km (0.118 R)
• M77: 53,512,804 km (0.097 R)
• M78: 57,463,235 km (0.11 R)
• M79: 59,424,014 km (0.033 R)
• M80: 59,522,599 km (0.053 R)
• M81: 61,307,152 km (0.058 R)
• M82: 61,506,417 km (0.039 R)
• M83: 62,406,248 km (0.109 R)
• M84: 62,707,089 km (0.05 R)
• M85: 62,807,469 km (0.108 R)
• M86: 63,209,738 km (0.091 R)
• M87: 64,016,519 km (0.076 R)
• M88: 66,559,982 km (0.071 R)
• M89: 66,970,030 km (0.114 R)
• M90: 68,929,014 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.9

Radius: 4.2

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 13.47 AU - 15.79 AU

Year: 19852 Days

Day: 16.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 52,231,875 km

• M1: 104,419 km (0.095 R)
• M2: 725,250 km (0.067 R)
• M3: 1,039,406 km (0.058 R)
• M4: 1,123,929 km (0.091 R)
• M5: 1,167,163 km (0.119 R)
• M6: 1,508,246 km (0.071 R)
• M7: 1,555,967 km (0.095 R)
• M8: 3,205,583 km (0.057 R)
• M9: 3,645,251 km (0.098 R)
• M10: 3,709,578 km (0.088 R)
• M11: 4,070,259 km (0.046 R)
• M12: 4,789,525 km (0.054 R)
• M13: 5,290,379 km (0.051 R)
• M14: 5,695,640 km (0.078 R)
• M15: 5,770,439 km (0.098 R)
• M16: 6,187,218 km (0.078 R)
• M17: 6,341,304 km (0.075 R)
• M18: 6,930,121 km (0.099 R)
• M19: 6,969,914 km (0.12 R)
• M20: 7,210,767 km (0.116 R)
• M21: 7,618,272 km (0.114 R)
• M22: 8,798,300 km (0.065 R)
• M23: 8,841,533 km (0.083 R)
• M24: 9,943,920 km (0.115 R)
• M25: 11,182,441 km (0.062 R)
• M26: 11,323,063 km (0.116 R)
• M27: 11,417,160 km (0.117 R)
• M28: 12,034,700 km (0.068 R)
• M29: 12,858,685 km (0.078 R)
• M30: 13,153,842 km (0.081 R)
• M31: 13,501,058 km (0.053 R)
• M32: 14,560,510 km (0.109 R)
• M33: 15,541,872 km (0.096 R)
• M34: 17,296,356 km (0.08 R)
• M35: 18,611,321 km (0.06 R)
• M36: 20,185,540 km (0.098 R)
• M37: 20,471,122 km (0.081 R)
• M38: 22,153,649 km (0.061 R)
• M39: 22,330,175 km (0.042 R)
• M40: 22,507,299 km (0.092 R)
• M41: 22,981,674 km (0.098 R)
• M42: 23,759,583 km (0.107 R)
• M43: 25,341,131 km (0.061 R)
• M44: 26,082,389 km (0.113 R)
• M45: 27,144,833 km (0.046 R)
• M46: 27,776,285 km (0.117 R)
• M47: 27,966,724 km (0.108 R)
• M48: 28,860,870 km (0.118 R)
• M49: 30,742,961 km (0.119 R)
• M50: 31,005,655 km (0.063 R)
• M51: 31,599,409 km (0.073 R)
• M52: 31,798,075 km (0.108 R)
• M53: 33,268,322 km (0.093 R)
• M54: 33,943,906 km (0.033 R)
• M55: 34,011,674 km (0.102 R)
• M56: 35,652,464 km (0.094 R)
• M57: 37,459,008 km (0.037 R)
• M58: 38,091,208 km (0.074 R)
• M59: 38,373,350 km (0.055 R)
• M60: 43,642,187 km (0.108 R)
• M61: 44,752,652 km (0.081 R)
• M62: 46,022,289 km (0.089 R)
• M63: 46,247,434 km (0.113 R)
• M64: 48,139,099 km (0.052 R)
• M65: 50,829,317 km (0.086 R)

Kuiper Belt

Range: 30.9 - 51.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 17,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit