🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.47 AU - 0.65 AU

Year: 152 Days

Day: 44.8 Hours

Environment

Temp: 246 °C

Axial Tilt: 5.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 97,140,078 km

• M1: 384,766 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.61 AU - 0.67 AU

Year: 185 Days

Day: 18.8 Hours

Environment

Temp: 221 °C

Axial Tilt: 32.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.74 AU - 1.1 AU

Year: 319 Days

Day: 15.2 Hours

Environment

Temp: 139 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 97,140,078 km

• M1: 231,727 km (0.081 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.27 AU - 1.67 AU

Year: 645 Days

Day: 12.2 Hours

Environment

Temp: -38 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.92 AU - 2.06 AU

Year: 1015 Days

Day: 46.3 Hours

Environment

Temp: -68 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 97,140,078 km

• M1: 224,247 km (0.105 R)
• M2: 1,116,299 km (0.098 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.89 AU - 2.27 AU

Year: 1085 Days

Day: 16.6 Hours

Environment

Temp: -58 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 97,140,078 km

• M1: 97,239 km (0.087 R)
• M2: 478,264 km (0.079 R)

Asteroid Belt

Center: 7.13 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 12.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944

Radius: 11.2

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 12.01 AU - 12.33 AU

Year: 15354 Days

Day: 12.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 97,140,078 km

• M1: 141,520 km (0.118 R)
• M2: 220,956 km (0.106 R)
• M3: 419,323 km (0.074 R)
• M4: 489,185 km (0.07 R)
• M5: 603,179 km (0.066 R)
• M6: 838,346 km (0.106 R)
• M7: 1,233,135 km (0.073 R)
• M8: 2,116,511 km (0.1 R)
• M9: 2,213,899 km (0.095 R)
• M10: 2,654,016 km (0.072 R)
• M11: 2,902,498 km (0.12 R)
• M12: 3,011,256 km (0.094 R)
• M13: 3,460,348 km (0.048 R)
• M14: 4,759,157 km (0.087 R)
• M15: 4,845,026 km (0.059 R)
• M16: 5,105,626 km (0.041 R)
• M17: 5,193,440 km (0.058 R)
• M18: 5,505,202 km (0.106 R)
• M19: 5,777,171 km (0.075 R)
• M20: 6,240,475 km (0.085 R)
• M21: 6,524,113 km (0.109 R)
• M22: 6,812,238 km (0.109 R)
• M23: 6,957,797 km (0.072 R)
• M24: 7,500,388 km (0.073 R)
• M25: 7,852,991 km (0.06 R)
• M26: 8,521,992 km (0.098 R)
• M27: 9,478,521 km (0.118 R)
• M28: 10,412,909 km (0.1 R)
• M29: 12,191,478 km (0.039 R)
• M30: 12,427,843 km (0.101 R)
• M31: 13,025,187 km (0.116 R)
• M32: 13,145,763 km (0.056 R)
• M33: 13,693,291 km (0.117 R)
• M34: 13,877,297 km (0.104 R)
• M35: 15,571,194 km (0.12 R)
• M36: 16,605,513 km (0.051 R)
• M37: 17,595,402 km (0.112 R)
• M38: 18,198,431 km (0.069 R)
• M39: 19,839,520 km (0.074 R)
• M40: 20,048,059 km (0.034 R)
• M41: 22,969,257 km (0.071 R)
• M42: 23,261,272 km (0.088 R)
• M43: 23,554,634 km (0.101 R)
• M44: 24,218,998 km (0.086 R)
• M45: 26,477,926 km (0.074 R)
• M46: 27,787,655 km (0.075 R)
• M47: 29,990,484 km (0.052 R)
• M48: 31,193,550 km (0.116 R)
• M49: 31,679,294 km (0.092 R)
• M50: 32,412,473 km (0.094 R)
• M51: 32,494,153 km (0.089 R)
• M52: 33,316,044 km (0.102 R)
• M53: 33,481,200 km (0.092 R)
• M54: 33,895,437 km (0.065 R)
• M55: 34,227,993 km (0.031 R)
• M56: 34,728,846 km (0.079 R)
• M57: 35,148,169 km (0.094 R)
• M58: 36,076,424 km (0.113 R)
• M59: 36,161,246 km (0.111 R)
• M60: 36,246,068 km (0.116 R)
• M61: 36,331,040 km (0.089 R)
• M62: 36,927,337 km (0.072 R)
• M63: 37,612,794 km (0.117 R)
• M64: 38,389,058 km (0.119 R)
• M65: 38,475,675 km (0.083 R)
• M66: 38,909,509 km (0.111 R)
• M67: 39,606,934 km (0.101 R)
• M68: 40,044,956 km (0.048 R)
• M69: 40,308,548 km (0.12 R)
• M70: 41,280,036 km (0.082 R)
• M71: 41,902,214 km (0.102 R)
• M72: 42,169,845 km (0.053 R)
• M73: 43,787,446 km (0.071 R)
• M74: 47,268,589 km (0.089 R)
• M75: 51,791,082 km (0.098 R)
• M76: 53,909,687 km (0.05 R)
• M77: 54,784,535 km (0.083 R)
• M78: 56,154,702 km (0.11 R)
• M79: 56,548,294 km (0.073 R)
• M80: 58,828,914 km (0.06 R)
• M81: 59,028,627 km (0.098 R)
• M82: 60,433,052 km (0.098 R)
• M83: 60,836,368 km (0.091 R)
• M84: 62,255,004 km (0.066 R)
• M85: 62,662,359 km (0.075 R)
• M86: 64,815,222 km (0.113 R)
• M87: 65,952,615 km (0.049 R)
• M88: 66,160,107 km (0.085 R)
• M89: 66,471,719 km (0.057 R)
• M90: 67,723,255 km (0.069 R)
• M91: 70,143,749 km (0.086 R)
• M92: 70,886,053 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524

Radius: 3.7

Gravity: 38.28 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 14.13 AU - 15.59 AU

Year: 20717 Days

Day: 16.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 97,140,078 km

• M1: 52,359 km (0.103 R)
• M2: 96,939 km (0.107 R)
• M3: 139,575 km (0.08 R)
• M4: 190,139 km (0.109 R)
• M5: 658,829 km (0.092 R)
• M6: 703,110 km (0.1 R)
• M7: 914,641 km (0.051 R)
• M8: 1,118,693 km (0.106 R)
• M9: 2,968,620 km (0.093 R)
• M10: 3,421,602 km (0.088 R)
• M11: 4,099,580 km (0.052 R)
• M12: 5,803,201 km (0.069 R)
• M13: 8,260,196 km (0.049 R)
• M14: 8,521,544 km (0.111 R)
• M15: 8,679,668 km (0.096 R)
• M16: 10,089,778 km (0.073 R)
• M17: 10,878,159 km (0.051 R)
• M18: 11,511,257 km (0.062 R)
• M19: 11,861,615 km (0.106 R)
• M20: 12,215,414 km (0.113 R)
• M21: 12,994,071 km (0.094 R)
• M22: 13,175,982 km (0.09 R)
• M23: 15,296,083 km (0.084 R)
• M24: 15,423,989 km (0.103 R)
• M25: 15,488,167 km (0.11 R)
• M26: 16,004,279 km (0.115 R)
• M27: 16,264,430 km (0.096 R)
• M28: 16,526,077 km (0.119 R)
• M29: 16,591,601 km (0.101 R)
• M30: 16,657,274 km (0.078 R)
• M31: 17,252,524 km (0.04 R)
• M32: 18,327,684 km (0.037 R)
• M33: 18,395,601 km (0.076 R)
• M34: 21,180,216 km (0.084 R)
• M35: 22,693,698 km (0.068 R)
• M36: 23,426,578 km (0.111 R)
• M37: 26,511,585 km (0.108 R)
• M38: 26,665,372 km (0.103 R)
• M39: 27,050,885 km (0.106 R)
• M40: 27,360,703 km (0.117 R)
• M41: 28,690,478 km (0.118 R)
• M42: 29,006,429 km (0.107 R)
• M43: 29,085,566 km (0.036 R)
• M44: 29,323,427 km (0.107 R)
• M45: 29,721,357 km (0.043 R)
• M46: 30,201,267 km (0.082 R)
• M47: 30,603,236 km (0.079 R)
• M48: 31,087,784 km (0.064 R)
• M49: 31,168,866 km (0.047 R)
• M50: 32,474,556 km (0.089 R)
• M51: 33,134,133 km (0.05 R)
• M52: 33,964,850 km (0.109 R)
• M53: 34,298,902 km (0.027 R)
• M54: 35,139,193 km (0.112 R)
• M55: 35,901,095 km (0.062 R)
• M56: 37,011,261 km (0.116 R)
• M57: 37,183,149 km (0.096 R)
• M58: 37,355,187 km (0.055 R)
• M59: 37,700,159 km (0.072 R)
• M60: 38,393,097 km (0.109 R)
• M61: 40,851,588 km (0.091 R)
• M62: 40,940,300 km (0.107 R)
• M63: 42,728,443 km (0.079 R)
• M64: 43,995,387 km (0.073 R)
• M65: 44,542,018 km (0.077 R)
• M66: 44,999,339 km (0.103 R)
• M67: 47,309,130 km (0.08 R)
• M68: 47,402,329 km (0.056 R)
• M69: 47,495,529 km (0.077 R)
• M70: 48,056,371 km (0.057 R)
• M71: 48,337,615 km (0.053 R)
• M72: 48,619,308 km (0.111 R)
• M73: 48,807,502 km (0.119 R)
• M74: 50,226,288 km (0.096 R)
• M75: 51,275,269 km (0.063 R)
• M76: 52,910,822 km (0.087 R)
• M77: 54,075,442 km (0.118 R)
• M78: 54,270,368 km (0.098 R)
• M79: 54,954,479 km (0.106 R)
• M80: 56,726,765 km (0.117 R)
• M81: 57,918,611 km (0.092 R)
• M82: 58,317,738 km (0.085 R)
• M83: 62,256,650 km (0.056 R)
• M84: 64,516,176 km (0.053 R)
• M85: 64,929,964 km (0.115 R)
• M86: 65,968,023 km (0.107 R)
• M87: 67,011,618 km (0.1 R)
• M88: 67,116,337 km (0.099 R)
• M89: 67,325,774 km (0.107 R)
• M90: 68,060,748 km (0.072 R)
• M91: 68,798,266 km (0.037 R)
• M92: 70,600,621 km (0.112 R)
• M93: 71,240,301 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.2

Radius: 4.6

Gravity: 24.4 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 15.07 AU - 17.65 AU

Year: 23931 Days

Day: 21.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 97,140,078 km

• M1: 112,946 km (0.114 R)
• M2: 172,786 km (0.108 R)
• M3: 482,902 km (0.025 R)
• M4: 524,640 km (0.098 R)
• M5: 752,627 km (0.099 R)
• M6: 877,242 km (0.098 R)
• M7: 1,232,088 km (0.077 R)
• M8: 1,379,442 km (0.119 R)
• M9: 1,532,481 km (0.082 R)
• M10: 1,563,747 km (0.052 R)
• M11: 1,691,054 km (0.092 R)
• M12: 1,888,374 km (0.096 R)
• M13: 2,902,199 km (0.116 R)
• M14: 4,908,456 km (0.12 R)
• M15: 5,427,112 km (0.116 R)
• M16: 6,212,201 km (0.055 R)
• M17: 6,566,748 km (0.109 R)
• M18: 7,669,284 km (0.088 R)
• M19: 9,054,710 km (0.089 R)
• M20: 9,111,707 km (0.111 R)
• M21: 9,514,125 km (0.099 R)
• M22: 9,630,213 km (0.05 R)
• M23: 11,673,271 km (0.106 R)
• M24: 11,797,587 km (0.106 R)
• M25: 12,110,097 km (0.048 R)
• M26: 12,362,020 km (0.053 R)
• M27: 12,425,300 km (0.076 R)
• M28: 12,488,729 km (0.097 R)
• M29: 13,647,664 km (0.062 R)
• M30: 15,722,587 km (0.076 R)
• M31: 16,066,363 km (0.101 R)
• M32: 17,324,481 km (0.089 R)
• M33: 17,395,240 km (0.051 R)
• M34: 17,750,835 km (0.119 R)
• M35: 17,965,208 km (0.103 R)
• M36: 19,270,001 km (0.038 R)
• M37: 19,933,767 km (0.08 R)
• M38: 20,007,967 km (0.069 R)
• M39: 20,455,115 km (0.107 R)
• M40: 22,046,089 km (0.108 R)
• M41: 22,122,832 km (0.077 R)
• M42: 22,276,619 km (0.099 R)
• M43: 22,972,997 km (0.082 R)
• M44: 23,050,788 km (0.073 R)
• M45: 23,206,669 km (0.067 R)
• M46: 23,833,783 km (0.073 R)
• M47: 23,991,310 km (0.101 R)
• M48: 24,466,283 km (0.083 R)
• M49: 27,133,613 km (0.085 R)
• M50: 27,215,892 km (0.097 R)
• M51: 27,298,171 km (0.03 R)
• M52: 28,292,697 km (0.088 R)
• M53: 29,806,628 km (0.113 R)
• M54: 30,830,476 km (0.066 R)
• M55: 31,088,233 km (0.075 R)
• M56: 32,126,442 km (0.117 R)
• M57: 32,562,370 km (0.119 R)
• M58: 33,000,243 km (0.036 R)
• M59: 34,592,712 km (0.062 R)
• M60: 36,029,002 km (0.11 R)
• M61: 36,300,522 km (0.106 R)
• M62: 36,663,596 km (0.084 R)
• M63: 37,943,555 km (0.05 R)
• M64: 38,496,768 km (0.114 R)
• M65: 39,052,524 km (0.098 R)
• M66: 39,145,275 km (0.044 R)
• M67: 39,424,424 km (0.075 R)
• M68: 39,891,020 km (0.114 R)
• M69: 42,156,082 km (0.063 R)
• M70: 42,728,892 km (0.065 R)
• M71: 43,496,628 km (0.064 R)
• M72: 45,533,403 km (0.096 R)
• M73: 45,631,091 km (0.088 R)
• M74: 49,297,136 km (0.06 R)
• M75: 49,498,046 km (0.117 R)
• M76: 49,900,464 km (0.098 R)
• M77: 50,001,293 km (0.092 R)
• M78: 50,102,122 km (0.056 R)
• M79: 50,203,101 km (0.082 R)
• M80: 51,216,177 km (0.1 R)
• M81: 52,440,636 km (0.118 R)
• M82: 56,066,739 km (0.119 R)
• M83: 56,801,713 km (0.048 R)
• M84: 56,906,880 km (0.052 R)
• M85: 58,281,086 km (0.061 R)
• M86: 61,061,812 km (0.105 R)
• M87: 61,493,402 km (0.106 R)
• M88: 63,994,977 km (0.083 R)
• M89: 65,533,741 km (0.097 R)
• M90: 65,644,144 km (0.114 R)
• M91: 66,197,058 km (0.101 R)
• M92: 67,084,772 km (0.07 R)
• M93: 74,903,504 km (0.084 R)
• M94: 75,712,679 km (0.106 R)
• M95: 75,944,257 km (0.089 R)
• M96: 76,757,171 km (0.042 R)
• M97: 77,689,765 km (0.112 R)

Asteroid Belt

Center: 17.36 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 18.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.5

Radius: 6.8

Gravity: 15.26 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 17.3 AU - 19.4 AU

Year: 28428 Days

Day: 19.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 97,140,078 km

• M1: 87,664 km (0.051 R)
• M2: 280,945 km (0.065 R)
• M3: 423,063 km (0.098 R)
• M4: 775,366 km (0.114 R)
• M5: 832,063 km (0.113 R)
• M6: 980,315 km (0.111 R)
• M7: 1,202,468 km (0.107 R)
• M8: 1,510,938 km (0.114 R)
• M9: 1,767,798 km (0.068 R)
• M10: 2,489,757 km (0.105 R)
• M11: 3,771,213 km (0.1 R)
• M12: 4,477,165 km (0.103 R)
• M13: 5,388,067 km (0.108 R)
• M14: 6,122,293 km (0.046 R)
• M15: 6,471,604 km (0.071 R)
• M16: 7,496,499 km (0.034 R)
• M17: 9,225,252 km (0.087 R)
• M18: 9,491,387 km (0.068 R)
• M19: 9,760,214 km (0.104 R)
• M20: 9,827,683 km (0.055 R)
• M21: 9,895,450 km (0.116 R)
• M22: 10,099,651 km (0.06 R)
• M23: 11,000,380 km (0.065 R)
• M24: 11,070,691 km (0.062 R)
• M25: 11,495,848 km (0.061 R)
• M26: 12,803,483 km (0.042 R)
• M27: 13,625,524 km (0.105 R)
• M28: 14,929,120 km (0.115 R)
• M29: 15,163,390 km (0.113 R)
• M30: 16,192,174 km (0.097 R)
• M31: 17,489,038 km (0.107 R)
• M32: 18,818,963 km (0.12 R)
• M33: 21,398,928 km (0.108 R)
• M34: 22,194,340 km (0.117 R)
• M35: 22,999,326 km (0.109 R)
• M36: 23,813,887 km (0.082 R)
• M37: 24,087,501 km (0.105 R)
• M38: 24,454,016 km (0.117 R)
• M39: 26,313,667 km (0.1 R)
• M40: 26,880,493 km (0.088 R)
• M41: 27,930,072 km (0.036 R)
• M42: 28,122,305 km (0.117 R)
• M43: 31,058,463 km (0.094 R)
• M44: 31,757,384 km (0.118 R)
• M45: 31,958,144 km (0.081 R)
• M46: 35,537,423 km (0.099 R)
• M47: 36,373,226 km (0.107 R)
• M48: 38,170,794 km (0.113 R)
• M49: 40,539,527 km (0.119 R)
• M50: 41,193,718 km (0.033 R)
• M51: 41,631,891 km (0.119 R)
• M52: 42,402,320 km (0.078 R)
• M53: 43,399,689 km (0.119 R)
• M54: 45,191,871 km (0.052 R)
• M55: 45,304,668 km (0.12 R)
• M56: 46,438,021 km (0.094 R)
• M57: 46,551,865 km (0.105 R)
• M58: 47,695,392 km (0.102 R)
• M59: 48,040,215 km (0.068 R)
• M60: 48,848,193 km (0.071 R)
• M61: 50,126,806 km (0.098 R)
• M62: 50,243,642 km (0.048 R)
• M63: 51,769,989 km (0.064 R)
• M64: 51,888,021 km (0.077 R)
• M65: 54,387,652 km (0.087 R)
• M66: 55,350,165 km (0.103 R)
• M67: 56,682,932 km (0.052 R)
• M68: 58,026,022 km (0.071 R)
• M69: 59,626,869 km (0.116 R)
• M70: 60,992,847 km (0.108 R)
• M71: 62,117,973 km (0.119 R)
• M72: 63,755,471 km (0.066 R)
• M73: 64,515,877 km (0.107 R)
• M74: 66,173,870 km (0.074 R)
• M75: 67,716,823 km (0.07 R)
• M76: 69,141,593 km (0.107 R)
• M77: 72,548,235 km (0.09 R)
• M78: 72,680,330 km (0.116 R)
• M79: 74,271,902 km (0.078 R)
• M80: 74,671,628 km (0.118 R)
• M81: 77,624,390 km (0.078 R)
• M82: 78,571,943 km (0.044 R)
• M83: 79,932,237 km (0.078 R)
• M84: 80,478,419 km (0.062 R)
• M85: 81,987,113 km (0.111 R)
• M86: 82,676,011 km (0.1 R)
• M87: 83,643,461 km (0.066 R)
• M88: 85,311,028 km (0.071 R)
• M89: 85,589,879 km (0.092 R)
• M90: 87,832,650 km (0.091 R)
• M91: 87,973,421 km (0.063 R)
• M92: 88,114,343 km (0.086 R)
• M93: 88,255,264 km (0.111 R)
• M94: 90,663,042 km (0.1 R)
• M95: 91,660,859 km (0.118 R)

Kuiper Belt

Range: 30.3 - 50.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 19,795 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit