🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.42 AU - 0.68 AU

Year: 185 Days

Day: 13.8 Hours

Environment

Temp: 23 °C

Axial Tilt: 7.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.62 AU - 0.68 AU

Year: 237 Days

Day: 23.5 Hours

Environment

Temp: -33 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.59 AU - 0.87 AU

Year: 283 Days

Day: 16.6 Hours

Environment

Temp: -42 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.06 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.04 AU - 1.72 AU

Year: 734 Days

Day: 12.2 Hours

Environment

Temp: -96 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.81 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.13 AU - 2.33 AU

Year: 1509 Days

Day: 39.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.3

Radius: 8.3

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.43 AU - 3.03 AU

Year: 2044 Days

Day: 11.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 49,226,582 km

• M1: 114,742 km (0.083 R)
• M2: 204,500 km (0.106 R)
• M3: 257,458 km (0.047 R)
• M4: 371,152 km (0.054 R)
• M5: 462,108 km (0.086 R)
• M6: 606,769 km (0.042 R)
• M7: 685,009 km (0.063 R)
• M8: 741,856 km (0.087 R)
• M9: 800,498 km (0.111 R)
• M10: 878,439 km (0.114 R)
• M11: 931,845 km (0.07 R)
• M12: 1,014,274 km (0.072 R)
• M13: 1,089,671 km (0.103 R)
• M14: 1,276,519 km (0.07 R)
• M15: 1,581,698 km (0.076 R)
• M16: 1,658,891 km (0.081 R)
• M17: 2,003,863 km (0.108 R)
• M18: 2,087,638 km (0.08 R)
• M19: 2,160,343 km (0.076 R)
• M20: 2,447,122 km (0.088 R)
• M21: 3,001,980 km (0.115 R)
• M22: 3,056,883 km (0.107 R)
• M23: 3,209,473 km (0.059 R)
• M24: 3,785,724 km (0.069 R)
• M25: 4,208,039 km (0.094 R)
• M26: 4,362,573 km (0.049 R)
• M27: 4,869,560 km (0.059 R)
• M28: 5,015,568 km (0.104 R)
• M29: 5,512,682 km (0.118 R)
• M30: 5,715,835 km (0.107 R)
• M31: 6,060,210 km (0.113 R)
• M32: 6,269,946 km (0.108 R)
• M33: 6,607,140 km (0.098 R)
• M34: 6,786,956 km (0.092 R)
• M35: 6,841,260 km (0.094 R)
• M36: 6,931,917 km (0.117 R)
• M37: 7,023,171 km (0.107 R)
• M38: 7,206,728 km (0.11 R)
• M39: 7,280,480 km (0.115 R)
• M40: 7,354,680 km (0.11 R)
• M41: 7,541,079 km (0.094 R)
• M42: 7,616,028 km (0.095 R)
• M43: 7,785,672 km (0.109 R)
• M44: 8,109,701 km (0.117 R)
• M45: 8,186,444 km (0.063 R)
• M46: 8,244,339 km (0.066 R)
• M47: 8,340,979 km (0.071 R)
• M48: 8,476,963 km (0.1 R)
• M49: 8,849,612 km (0.102 R)
• M50: 9,127,714 km (0.118 R)
• M51: 9,449,050 km (0.117 R)
• M52: 10,372,668 km (0.118 R)
• M53: 10,497,881 km (0.106 R)
• M54: 10,581,805 km (0.112 R)
• M55: 10,729,010 km (0.084 R)
• M56: 10,876,962 km (0.107 R)
• M57: 11,367,643 km (0.117 R)
• M58: 11,475,353 km (0.092 R)
• M59: 12,018,693 km (0.096 R)
• M60: 12,392,987 km (0.118 R)
• M61: 12,525,979 km (0.032 R)
• M62: 12,592,700 km (0.068 R)
• M63: 12,726,440 km (0.081 R)
• M64: 12,950,388 km (0.115 R)
• M65: 13,040,297 km (0.075 R)
• M66: 13,130,504 km (0.086 R)
• M67: 13,266,190 km (0.049 R)
• M68: 13,607,273 km (0.059 R)
• M69: 13,790,381 km (0.066 R)
• M70: 13,951,198 km (0.09 R)
• M71: 14,391,016 km (0.118 R)
• M72: 14,530,890 km (0.04 R)
• M73: 14,953,205 km (0.059 R)
• M74: 16,050,505 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.3

Radius: 9.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.79 AU - 3.39 AU

Year: 2461 Days

Day: 10.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 117.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 49,226,582 km

• M1: 117,285 km (0.105 R)
• M2: 182,659 km (0.07 R)
• M3: 321,935 km (0.047 R)
• M4: 470,186 km (0.099 R)
• M5: 529,277 km (0.106 R)
• M6: 630,106 km (0.055 R)
• M7: 744,848 km (0.119 R)
• M8: 823,237 km (0.091 R)
• M9: 896,989 km (0.083 R)
• M10: 1,067,680 km (0.047 R)
• M11: 1,132,605 km (0.1 R)
• M12: 1,207,105 km (0.096 R)
• M13: 1,423,424 km (0.097 R)
• M14: 1,559,259 km (0.111 R)
• M15: 1,633,459 km (0.113 R)
• M16: 1,824,496 km (0.103 R)
• M17: 2,023,012 km (0.071 R)
• M18: 2,166,177 km (0.111 R)
• M19: 2,365,890 km (0.084 R)
• M20: 2,516,984 km (0.066 R)
• M21: 2,806,157 km (0.091 R)
• M22: 3,012,752 km (0.049 R)
• M23: 3,082,763 km (0.066 R)
• M24: 3,153,224 km (0.05 R)
• M25: 3,550,855 km (0.095 R)
• M26: 3,699,406 km (0.09 R)
• M27: 3,964,344 km (0.107 R)
• M28: 4,105,714 km (0.119 R)
• M29: 4,301,088 km (0.079 R)
• M30: 4,433,034 km (0.092 R)
• M31: 5,057,455 km (0.033 R)
• M32: 5,140,931 km (0.047 R)
• M33: 5,323,440 km (0.08 R)
• M34: 5,622,935 km (0.082 R)
• M35: 5,723,914 km (0.08 R)
• M36: 5,840,151 km (0.114 R)
• M37: 6,015,929 km (0.076 R)
• M38: 6,282,961 km (0.058 R)
• M39: 6,493,296 km (0.098 R)
• M40: 6,584,101 km (0.117 R)
• M41: 6,736,542 km (0.069 R)
• M42: 6,905,587 km (0.112 R)
• M43: 7,310,549 km (0.08 R)
• M44: 7,452,667 km (0.045 R)
• M45: 7,547,811 km (0.067 R)
• M46: 7,916,570 km (0.092 R)
• M47: 8,160,115 km (0.108 R)
• M48: 8,258,401 km (0.075 R)
• M49: 8,538,598 km (0.027 R)
• M50: 8,905,860 km (0.089 R)
• M51: 10,144,082 km (0.104 R)
• M52: 10,285,003 km (0.095 R)
• M53: 10,783,164 km (0.118 R)
• M54: 11,035,237 km (0.05 R)
• M55: 11,180,197 km (0.082 R)
• M56: 11,271,152 km (0.047 R)
• M57: 11,362,257 km (0.109 R)
• M58: 11,692,420 km (0.074 R)
• M59: 11,821,822 km (0.104 R)
• M60: 12,007,323 km (0.099 R)
• M61: 12,494,115 km (0.078 R)
• M62: 12,607,361 km (0.112 R)
• M63: 12,701,906 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461

Radius: 9.6

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.05 AU - 3.97 AU

Year: 2979 Days

Day: 12.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 49,226,582 km

• M1: 125,961 km (0.096 R)
• M2: 321,336 km (0.104 R)
• M3: 406,757 km (0.031 R)
• M4: 509,530 km (0.097 R)
• M5: 605,423 km (0.11 R)
• M6: 734,825 km (0.085 R)
• M7: 981,960 km (0.079 R)
• M8: 1,073,814 km (0.099 R)
• M9: 1,222,663 km (0.109 R)
• M10: 1,424,321 km (0.094 R)
• M11: 1,784,553 km (0.09 R)
• M12: 2,308,295 km (0.078 R)
• M13: 2,391,023 km (0.043 R)
• M14: 2,702,336 km (0.11 R)
• M15: 2,848,343 km (0.085 R)
• M16: 2,966,975 km (0.105 R)
• M17: 3,087,251 km (0.119 R)
• M18: 3,301,775 km (0.09 R)
• M19: 3,379,565 km (0.086 R)
• M20: 3,457,955 km (0.09 R)
• M21: 3,537,092 km (0.114 R)
• M22: 3,632,685 km (0.071 R)
• M23: 3,713,169 km (0.114 R)
• M24: 4,057,244 km (0.09 R)
• M25: 4,411,791 km (0.099 R)
• M26: 4,532,217 km (0.078 R)
• M27: 4,618,984 km (0.11 R)
• M28: 4,758,858 km (0.102 R)
• M29: 5,132,703 km (0.032 R)
• M30: 5,295,914 km (0.111 R)
• M31: 5,571,773 km (0.117 R)
• M32: 5,984,812 km (0.064 R)
• M33: 6,310,786 km (0.079 R)
• M34: 6,427,173 km (0.104 R)
• M35: 6,603,250 km (0.119 R)
• M36: 7,060,272 km (0.095 R)
• M37: 7,242,033 km (0.102 R)
• M38: 7,527,765 km (0.09 R)
• M39: 7,858,825 km (0.114 R)
• M40: 8,089,206 km (0.031 R)
• M41: 9,473,435 km (0.094 R)
• M42: 9,540,155 km (0.1 R)
• M43: 9,606,876 km (0.07 R)
• M44: 9,763,505 km (0.087 R)
• M45: 9,943,471 km (0.065 R)
• M46: 10,261,068 km (0.056 R)
• M47: 10,375,360 km (0.104 R)
• M48: 10,582,105 km (0.048 R)
• M49: 10,883,095 km (0.066 R)
• M50: 11,517,390 km (0.105 R)
• M51: 12,018,843 km (0.072 R)
• M52: 12,357,233 km (0.05 R)
• M53: 12,527,625 km (0.084 R)
• M54: 12,600,928 km (0.087 R)
• M55: 12,674,231 km (0.067 R)
• M56: 12,895,336 km (0.051 R)
• M57: 12,993,921 km (0.083 R)
• M58: 13,216,822 km (0.043 R)
• M59: 13,366,121 km (0.098 R)
• M60: 13,641,381 km (0.062 R)
• M61: 13,918,436 km (0.084 R)
• M62: 14,019,714 km (0.107 R)
• M63: 14,222,868 km (0.118 R)
• M64: 14,452,501 km (0.09 R)
• M65: 14,580,706 km (0.096 R)
• M66: 14,683,480 km (0.094 R)
• M67: 15,123,148 km (0.097 R)
• M68: 15,593,334 km (0.068 R)
• M69: 15,751,160 km (0.116 R)
• M70: 15,935,913 km (0.052 R)
• M71: 16,148,043 km (0.088 R)
• M72: 16,762,890 km (0.072 R)
• M73: 16,897,678 km (0.079 R)
• M74: 17,005,688 km (0.1 R)
• M75: 17,140,924 km (0.107 R)
• M76: 17,658,533 km (0.119 R)
• M77: 18,043,149 km (0.093 R)
• M78: 18,181,228 km (0.109 R)
• M79: 18,291,930 km (0.085 R)
• M80: 18,430,607 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.9

Radius: 10.5

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.12 AU - 8.82 AU

Year: 9249 Days

Day: 6.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 49,226,582 km

• M1: 143,764 km (0.106 R)
• M2: 386,411 km (0.114 R)
• M3: 452,982 km (0.105 R)
• M4: 667,356 km (0.081 R)
• M5: 780,003 km (0.08 R)
• M6: 1,009,935 km (0.095 R)
• M7: 1,124,976 km (0.056 R)
• M8: 1,478,326 km (0.117 R)
• M9: 1,591,123 km (0.072 R)
• M10: 1,687,314 km (0.095 R)
• M11: 2,092,425 km (0.07 R)
• M12: 2,306,201 km (0.076 R)
• M13: 2,460,287 km (0.112 R)
• M14: 2,527,456 km (0.093 R)
• M15: 3,455,112 km (0.048 R)
• M16: 3,786,173 km (0.051 R)
• M17: 3,916,323 km (0.094 R)
• M18: 4,021,490 km (0.107 R)
• M19: 4,451,584 km (0.067 R)
• M20: 4,700,066 km (0.101 R)
• M21: 5,067,029 km (0.061 R)
• M22: 5,326,432 km (0.112 R)
• M23: 6,222,972 km (0.088 R)
• M24: 6,315,125 km (0.078 R)
• M25: 6,407,875 km (0.093 R)
• M26: 6,625,839 km (0.091 R)
• M27: 6,846,347 km (0.119 R)
• M28: 7,101,411 km (0.056 R)
• M29: 7,392,080 km (0.063 R)
• M30: 7,918,514 km (0.08 R)
• M31: 8,868,760 km (0.098 R)
• M32: 9,890,514 km (0.054 R)
• M33: 10,215,291 km (0.117 R)
• M34: 10,986,617 km (0.091 R)
• M35: 11,098,367 km (0.053 R)
• M36: 11,776,644 km (0.059 R)
• M37: 12,044,125 km (0.106 R)
• M38: 12,468,384 km (0.111 R)
• M39: 12,623,816 km (0.103 R)
• M40: 12,701,906 km (0.05 R)
• M41: 12,819,191 km (0.097 R)
• M42: 13,015,464 km (0.113 R)
• M43: 13,450,943 km (0.119 R)
• M44: 13,570,472 km (0.113 R)
• M45: 14,499,026 km (0.061 R)
• M46: 15,074,229 km (0.111 R)
• M47: 15,323,160 km (0.044 R)
• M48: 15,531,550 km (0.102 R)
• M49: 16,332,048 km (0.095 R)
• M50: 16,844,571 km (0.118 R)
• M51: 17,189,095 km (0.114 R)
• M52: 17,405,712 km (0.082 R)
• M53: 17,972,987 km (0.043 R)
• M54: 18,104,783 km (0.085 R)
• M55: 18,546,396 km (0.1 R)
• M56: 18,768,549 km (0.044 R)
• M57: 19,575,629 km (0.105 R)
• M58: 20,348,153 km (0.099 R)
• M59: 20,439,707 km (0.112 R)
• M60: 20,531,410 km (0.074 R)
• M61: 20,669,190 km (0.105 R)
• M62: 21,502,450 km (0.077 R)
• M63: 21,829,471 km (0.092 R)
• M64: 23,153,861 km (0.072 R)
• M65: 25,979,166 km (0.115 R)
• M66: 26,177,982 km (0.117 R)
• M67: 26,627,224 km (0.087 R)
• M68: 27,888,334 km (0.089 R)
• M69: 28,347,151 km (0.075 R)
• M70: 28,551,950 km (0.088 R)
• M71: 29,169,042 km (0.12 R)
• M72: 29,272,264 km (0.118 R)
• M73: 29,686,650 km (0.115 R)
• M74: 30,783,502 km (0.116 R)
• M75: 32,266,466 km (0.085 R)
• M76: 32,426,834 km (0.068 R)
• M77: 33,016,699 km (0.113 R)
• M78: 33,178,265 km (0.095 R)
• M79: 33,447,990 km (0.094 R)
• M80: 34,807,834 km (0.116 R)
• M81: 35,411,910 km (0.118 R)
• M82: 36,074,779 km (0.117 R)
• M83: 37,076,785 km (0.108 R)
• M84: 37,581,229 km (0.116 R)

Planet 10 - Gas Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.7

Radius: 10.9

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.17 AU - 9.47 AU

Year: 10872 Days

Day: 10.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 49,226,582 km

• M1: 318,045 km (0.112 R)
• M2: 543,040 km (0.116 R)
• M3: 768,783 km (0.105 R)
• M4: 1,309,430 km (0.075 R)
• M5: 1,618,649 km (0.106 R)
• M6: 1,782,010 km (0.037 R)
• M7: 2,201,781 km (0.053 R)
• M8: 2,489,907 km (0.107 R)
• M9: 2,790,150 km (0.109 R)
• M10: 2,959,046 km (0.115 R)
• M11: 3,306,861 km (0.075 R)
• M12: 3,485,780 km (0.098 R)
• M13: 4,330,260 km (0.083 R)
• M14: 5,585,835 km (0.114 R)
• M15: 6,016,078 km (0.091 R)
• M16: 6,494,193 km (0.099 R)
• M17: 7,331,193 km (0.081 R)
• M18: 7,408,984 km (0.086 R)
• M19: 8,041,185 km (0.07 R)
• M20: 8,121,519 km (0.052 R)
• M21: 9,063,686 km (0.087 R)
• M22: 9,273,123 km (0.028 R)
• M23: 10,170,112 km (0.073 R)
• M24: 10,300,412 km (0.114 R)
• M25: 10,519,124 km (0.099 R)
• M26: 11,139,357 km (0.078 R)
• M27: 11,544,318 km (0.103 R)
• M28: 11,634,974 km (0.06 R)
• M29: 11,725,930 km (0.095 R)
• M30: 12,508,177 km (0.066 R)
• M31: 13,165,061 km (0.097 R)
• M32: 13,881,336 km (0.098 R)
• M33: 15,802,322 km (0.085 R)
• M34: 16,206,536 km (0.032 R)
• M35: 16,308,113 km (0.114 R)
• M36: 16,563,027 km (0.086 R)
• M37: 17,077,046 km (0.046 R)
• M38: 17,232,179 km (0.118 R)
• M39: 18,067,683 km (0.082 R)
• M40: 18,331,573 km (0.117 R)
• M41: 19,023,613 km (0.09 R)
• M42: 19,453,558 km (0.078 R)
• M43: 19,724,030 km (0.061 R)
• M44: 19,941,247 km (0.108 R)
• M45: 20,432,975 km (0.106 R)
• M46: 20,597,832 km (0.119 R)
• M47: 21,094,796 km (0.045 R)
• M48: 21,763,797 km (0.111 R)
• M49: 22,951,006 km (0.063 R)
• M50: 23,065,149 km (0.093 R)
• M51: 23,179,592 km (0.053 R)
• M52: 23,638,857 km (0.103 R)
• M53: 23,927,431 km (0.088 R)
• M54: 26,697,086 km (0.112 R)
• M55: 27,541,566 km (0.042 R)
• M56: 28,272,352 km (0.117 R)
• M57: 28,824,667 km (0.052 R)
• M58: 30,189,748 km (0.103 R)
• M59: 31,258,924 km (0.083 R)
• M60: 31,702,781 km (0.072 R)
• M61: 31,829,939 km (0.087 R)
• M62: 32,212,610 km (0.107 R)
• M63: 33,434,376 km (0.12 R)
• M64: 34,736,626 km (0.115 R)
• M65: 36,055,480 km (0.102 R)
• M66: 37,390,791 km (0.084 R)
• M67: 38,064,430 km (0.11 R)
• M68: 38,267,285 km (0.089 R)
• M69: 38,402,821 km (0.111 R)
• M70: 39,082,444 km (0.107 R)
• M71: 39,355,460 km (0.056 R)
• M72: 39,629,074 km (0.098 R)
• M73: 39,834,771 km (0.101 R)
• M74: 40,109,433 km (0.104 R)
• M75: 40,660,851 km (0.11 R)
• M76: 40,868,194 km (0.118 R)
• M77: 40,937,457 km (0.087 R)
• M78: 42,329,914 km (0.088 R)
• M79: 43,102,438 km (0.109 R)
• M80: 43,879,599 km (0.071 R)
• M81: 44,092,327 km (0.045 R)
• M82: 44,163,236 km (0.079 R)
• M83: 45,734,762 km (0.115 R)
• M84: 45,806,718 km (0.084 R)
• M85: 45,878,525 km (0.05 R)
• M86: 46,527,331 km (0.046 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 14,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit