🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.38 AU - 0.62 AU

Year: 225 Days

Day: 34.6 Hours

Environment

Temp: -105 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.43 AU - 0.61 AU

Year: 238 Days

Day: 13.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,692,803 km

• M1: 717,322 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.5 AU - 0.78 AU

Year: 326 Days

Day: 41.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,692,803 km

• M1: 701,165 km (0.09 R)
• M2: 868,266 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.4

Radius: 10.4

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.8 AU - 0.8 AU

Year: 455 Days

Day: 9.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 112.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 47,692,803 km

• M1: 150,047 km (0.077 R)
• M2: 229,782 km (0.103 R)
• M3: 313,707 km (0.054 R)
• M4: 400,473 km (0.031 R)
• M5: 483,650 km (0.036 R)
• M6: 562,787 km (0.085 R)
• M7: 699,071 km (0.06 R)
• M8: 847,322 km (0.101 R)
• M9: 973,882 km (0.079 R)
• M10: 1,063,491 km (0.114 R)
• M11: 1,141,282 km (0.061 R)
• M12: 1,216,231 km (0.119 R)
• M13: 1,287,589 km (0.057 R)
• M14: 1,397,543 km (0.114 R)
• M15: 1,494,333 km (0.074 R)
• M16: 1,649,616 km (0.094 R)
• M17: 1,746,555 km (0.031 R)
• M18: 1,982,471 km (0.085 R)
• M19: 2,092,126 km (0.117 R)
• M20: 2,166,327 km (0.078 R)
• M21: 2,272,990 km (0.109 R)
• M22: 2,491,702 km (0.093 R)
• M23: 2,564,108 km (0.042 R)
• M24: 2,683,935 km (0.064 R)
• M25: 2,874,074 km (0.107 R)
• M26: 2,950,070 km (0.106 R)
• M27: 3,111,037 km (0.112 R)
• M28: 3,181,947 km (0.069 R)
• M29: 3,318,230 km (0.042 R)
• M30: 3,434,618 km (0.11 R)
• M31: 3,596,782 km (0.112 R)
• M32: 3,693,721 km (0.119 R)
• M33: 3,822,076 km (0.104 R)
• M34: 4,021,041 km (0.091 R)
• M35: 4,341,929 km (0.079 R)
• M36: 4,421,365 km (0.054 R)
• M37: 4,565,877 km (0.082 R)
• M38: 4,687,350 km (0.099 R)
• M39: 4,826,476 km (0.06 R)
• M40: 4,941,966 km (0.06 R)
• M41: 5,142,277 km (0.051 R)
• M42: 5,370,863 km (0.077 R)
• M43: 5,482,014 km (0.113 R)
• M44: 5,602,739 km (0.059 R)
• M45: 5,934,697 km (0.114 R)
• M46: 6,023,259 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.3

Radius: 10.9

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.05 AU - 1.55 AU

Year: 942 Days

Day: 6.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 47,692,803 km

• M1: 147,055 km (0.073 R)
• M2: 224,696 km (0.111 R)
• M3: 293,511 km (0.09 R)
• M4: 383,120 km (0.112 R)
• M5: 461,061 km (0.11 R)
• M6: 620,233 km (0.097 R)
• M7: 739,313 km (0.031 R)
• M8: 937,081 km (0.117 R)
• M9: 1,056,161 km (0.092 R)
• M10: 1,216,081 km (0.119 R)
• M11: 1,384,528 km (0.034 R)
• M12: 1,506,301 km (0.119 R)
• M13: 1,695,841 km (0.108 R)
• M14: 1,785,451 km (0.032 R)
• M15: 1,868,477 km (0.061 R)
• M16: 2,021,067 km (0.049 R)
• M17: 2,160,193 km (0.069 R)
• M18: 2,284,659 km (0.118 R)
• M19: 2,672,716 km (0.118 R)
• M20: 2,758,585 km (0.111 R)
• M21: 2,845,352 km (0.099 R)
• M22: 2,952,763 km (0.083 R)
• M23: 3,021,877 km (0.113 R)
• M24: 3,232,361 km (0.062 R)
• M25: 3,365,204 km (0.118 R)
• M26: 3,520,636 km (0.065 R)
• M27: 3,710,476 km (0.098 R)
• M28: 3,990,673 km (0.083 R)
• M29: 4,122,319 km (0.112 R)
• M30: 4,288,971 km (0.115 R)
• M31: 4,469,236 km (0.048 R)
• M32: 4,732,678 km (0.091 R)
• M33: 5,001,356 km (0.106 R)
• M34: 5,084,084 km (0.12 R)
• M35: 5,275,120 km (0.09 R)
• M36: 5,407,664 km (0.09 R)
• M37: 5,602,739 km (0.089 R)
• M38: 5,725,709 km (0.098 R)
• M39: 5,874,559 km (0.073 R)
• M40: 6,112,868 km (0.056 R)
• M41: 7,244,576 km (0.053 R)
• M42: 7,365,302 km (0.089 R)
• M43: 7,608,847 km (0.109 R)
• M44: 7,759,043 km (0.063 R)
• M45: 8,020,690 km (0.065 R)
• M46: 8,595,295 km (0.113 R)
• M47: 8,666,205 km (0.105 R)
• M48: 8,808,771 km (0.087 R)
• M49: 8,923,513 km (0.119 R)
• M50: 9,053,065 km (0.09 R)
• M51: 9,299,452 km (0.098 R)
• M52: 9,416,139 km (0.077 R)
• M53: 9,710,099 km (0.074 R)
• M54: 9,828,580 km (0.052 R)
• M55: 9,947,510 km (0.116 R)
• M56: 10,111,769 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.4

Radius: 10.7

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.02 AU - 4.42 AU

Year: 4562 Days

Day: 7.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 47,692,803 km

• M1: 149,598 km (0.044 R)
• M2: 284,386 km (0.045 R)
• M3: 382,522 km (0.09 R)
• M4: 452,384 km (0.111 R)
• M5: 822,788 km (0.08 R)
• M6: 894,595 km (0.098 R)
• M7: 1,070,822 km (0.046 R)
• M8: 1,141,133 km (0.077 R)
• M9: 1,409,810 km (0.062 R)
• M10: 1,566,888 km (0.114 R)
• M11: 1,740,122 km (0.119 R)
• M12: 1,845,140 km (0.046 R)
• M13: 2,252,495 km (0.105 R)
• M14: 2,810,046 km (0.111 R)
• M15: 3,187,931 km (0.056 R)
• M16: 3,582,121 km (0.081 R)
• M17: 3,649,290 km (0.066 R)
• M18: 3,812,502 km (0.091 R)
• M19: 4,160,018 km (0.04 R)
• M20: 4,431,239 km (0.103 R)
• M21: 4,561,688 km (0.086 R)
• M22: 5,510,438 km (0.111 R)
• M23: 5,745,157 km (0.105 R)
• M24: 6,257,230 km (0.044 R)
• M25: 6,371,074 km (0.104 R)
• M26: 6,733,849 km (0.04 R)
• M27: 6,884,195 km (0.117 R)
• M28: 7,188,178 km (0.106 R)
• M29: 7,307,557 km (0.101 R)
• M30: 7,914,625 km (0.114 R)
• M31: 8,179,862 km (0.06 R)
• M32: 9,251,132 km (0.053 R)
• M33: 9,474,482 km (0.095 R)
• M34: 9,549,281 km (0.038 R)
• M35: 9,643,079 km (0.088 R)
• M36: 9,793,873 km (0.07 R)
• M37: 10,193,300 km (0.065 R)
• M38: 10,366,085 km (0.1 R)
• M39: 10,656,305 km (0.096 R)
• M40: 10,870,978 km (0.048 R)
• M41: 12,086,610 km (0.106 R)
• M42: 12,208,533 km (0.104 R)
• M43: 12,412,584 km (0.104 R)
• M44: 12,556,048 km (0.104 R)
• M45: 12,638,327 km (0.115 R)
• M46: 13,135,740 km (0.08 R)
• M47: 13,957,781 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.4

Radius: 10.4

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.18 AU - 4.22 AU

Year: 5473 Days

Day: 9.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 47,692,803 km

• M1: 140,024 km (0.037 R)
• M2: 231,428 km (0.11 R)
• M3: 378,931 km (0.056 R)
• M4: 493,224 km (0.109 R)
• M5: 730,038 km (0.101 R)
• M6: 890,107 km (0.12 R)
• M7: 968,945 km (0.095 R)
• M8: 1,520,064 km (0.081 R)
• M9: 2,080,607 km (0.1 R)
• M10: 2,407,628 km (0.086 R)
• M11: 2,801,370 km (0.047 R)
• M12: 2,868,988 km (0.091 R)
• M13: 3,075,283 km (0.084 R)
• M14: 3,322,120 km (0.115 R)
• M15: 3,393,927 km (0.055 R)
• M16: 3,466,183 km (0.082 R)
• M17: 3,686,241 km (0.069 R)
• M18: 3,779,141 km (0.026 R)
• M19: 4,691,688 km (0.111 R)
• M20: 4,914,888 km (0.09 R)
• M21: 5,204,061 km (0.113 R)
• M22: 5,605,432 km (0.12 R)
• M23: 6,126,781 km (0.113 R)
• M24: 6,193,053 km (0.047 R)
• M25: 6,370,925 km (0.114 R)
• M26: 6,438,094 km (0.03 R)
• M27: 6,573,181 km (0.086 R)
• M28: 6,777,532 km (0.084 R)
• M29: 6,937,900 km (0.107 R)
• M30: 7,145,841 km (0.099 R)
• M31: 7,239,041 km (0.115 R)
• M32: 7,544,520 km (0.052 R)
• M33: 8,241,347 km (0.073 R)
• M34: 8,314,650 km (0.062 R)
• M35: 8,634,639 km (0.077 R)
• M36: 8,958,668 km (0.12 R)
• M37: 9,059,198 km (0.102 R)
• M38: 9,541,801 km (0.053 R)
• M39: 9,618,844 km (0.062 R)
• M40: 9,825,139 km (0.11 R)
• M41: 9,954,841 km (0.099 R)
• M42: 10,111,170 km (0.068 R)
• M43: 10,215,889 km (0.079 R)
• M44: 10,426,373 km (0.062 R)
• M45: 10,905,236 km (0.108 R)
• M46: 11,856,978 km (0.113 R)
• M47: 12,693,679 km (0.101 R)
• M48: 13,005,291 km (0.066 R)
• M49: 13,262,150 km (0.117 R)
• M50: 13,897,193 km (0.114 R)
• M51: 14,424,077 km (0.053 R)
• M52: 14,838,314 km (0.066 R)
• M53: 15,467,223 km (0.066 R)
• M54: 16,013,106 km (0.046 R)
• M55: 16,534,454 km (0.091 R)
• M56: 16,999,255 km (0.089 R)
• M57: 17,374,147 km (0.07 R)
• M58: 17,625,621 km (0.069 R)
• M59: 17,941,572 km (0.11 R)
• M60: 18,323,196 km (0.12 R)
• M61: 19,126,985 km (0.102 R)
• M62: 19,224,224 km (0.116 R)
• M63: 19,419,150 km (0.092 R)
• M64: 20,040,879 km (0.111 R)
• M65: 20,702,401 km (0.109 R)
• M66: 20,835,543 km (0.068 R)
• M67: 20,935,624 km (0.108 R)
• M68: 21,136,234 km (0.105 R)
• M69: 21,707,997 km (0.048 R)
• M70: 22,763,859 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.7

Radius: 10.6

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.55 AU - 6.25 AU

Year: 7979 Days

Day: 7.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 146.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 47,692,803 km

• M1: 166,353 km (0.046 R)
• M2: 246,238 km (0.038 R)
• M3: 321,336 km (0.087 R)
• M4: 396,584 km (0.114 R)
• M5: 771,327 km (0.073 R)
• M6: 1,812,977 km (0.119 R)
• M7: 2,005,659 km (0.098 R)
• M8: 2,318,767 km (0.075 R)
• M9: 2,411,218 km (0.11 R)
• M10: 2,575,926 km (0.119 R)
• M11: 2,991,658 km (0.075 R)
• M12: 3,272,005 km (0.08 R)
• M13: 3,721,995 km (0.116 R)
• M14: 3,830,902 km (0.106 R)
• M15: 3,913,181 km (0.115 R)
• M16: 4,051,709 km (0.067 R)
• M17: 4,390,698 km (0.117 R)
• M18: 4,505,888 km (0.048 R)
• M19: 5,278,411 km (0.117 R)
• M20: 5,431,749 km (0.118 R)
• M21: 6,091,924 km (0.086 R)
• M22: 6,188,266 km (0.098 R)
• M23: 7,179,950 km (0.116 R)
• M24: 7,694,267 km (0.042 R)
• M25: 8,362,970 km (0.079 R)
• M26: 8,867,563 km (0.1 R)
• M27: 9,123,525 km (0.086 R)
• M28: 10,866,041 km (0.109 R)
• M29: 11,179,449 km (0.041 R)
• M30: 11,297,631 km (0.11 R)
• M31: 12,177,865 km (0.12 R)
• M32: 12,381,019 km (0.068 R)
• M33: 12,544,380 km (0.079 R)
• M34: 12,708,339 km (0.094 R)
• M35: 14,003,857 km (0.11 R)
• M36: 14,387,725 km (0.075 R)
• M37: 14,645,632 km (0.098 R)
• M38: 15,253,298 km (0.034 R)
• M39: 15,648,386 km (0.052 R)
• M40: 15,957,904 km (0.116 R)
• M41: 16,046,765 km (0.085 R)
• M42: 17,170,993 km (0.097 R)
• M43: 18,273,978 km (0.094 R)
• M44: 18,413,553 km (0.083 R)
• M45: 18,553,427 km (0.094 R)
• M46: 19,305,156 km (0.039 R)
• M47: 19,399,852 km (0.08 R)
• M48: 19,589,692 km (0.065 R)
• M49: 19,827,851 km (0.101 R)
• M50: 20,210,972 km (0.109 R)
• M51: 20,355,184 km (0.117 R)
• M52: 20,984,393 km (0.052 R)
• M53: 22,460,624 km (0.101 R)
• M54: 22,560,256 km (0.084 R)
• M55: 22,660,038 km (0.08 R)
• M56: 22,960,132 km (0.12 R)
• M57: 23,311,986 km (0.098 R)
• M58: 23,615,071 km (0.108 R)
• M59: 23,868,490 km (0.078 R)
• M60: 24,275,994 km (0.075 R)
• M61: 24,685,893 km (0.087 R)
• M62: 25,253,018 km (0.114 R)
• M63: 25,356,689 km (0.057 R)
• M64: 25,460,361 km (0.048 R)
• M65: 25,616,242 km (0.114 R)
• M66: 26,663,427 km (0.068 R)
• M67: 26,768,893 km (0.109 R)
• M68: 27,192,405 km (0.056 R)
• M69: 27,404,834 km (0.096 R)
• M70: 27,778,081 km (0.113 R)
• M71: 27,938,599 km (0.119 R)
• M72: 28,637,520 km (0.11 R)
• M73: 29,614,843 km (0.104 R)
• M74: 30,107,619 km (0.043 R)
• M75: 30,272,326 km (0.063 R)
• M76: 30,824,043 km (0.095 R)
• M77: 30,934,745 km (0.08 R)
• M78: 31,713,701 km (0.079 R)
• M79: 33,063,822 km (0.084 R)
• M80: 33,347,460 km (0.055 R)
• M81: 34,605,129 km (0.041 R)
• M82: 35,066,339 km (0.118 R)
• M83: 35,413,556 km (0.108 R)
• M84: 35,529,494 km (0.117 R)
• M85: 36,579,223 km (0.113 R)
• M86: 39,608,131 km (0.084 R)
• M87: 39,788,845 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648.8

Radius: 5

Gravity: 25.95 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.99 AU - 7.73 AU

Year: 10198 Days

Day: 19.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 47,692,803 km

• M1: 84,373 km (0.107 R)
• M2: 132,843 km (0.103 R)
• M3: 273,465 km (0.104 R)
• M4: 501,751 km (0.037 R)
• M5: 594,652 km (0.107 R)
• M6: 744,848 km (0.063 R)
• M7: 815,308 km (0.119 R)
• M8: 888,163 km (0.107 R)
• M9: 1,369,718 km (0.119 R)
• M10: 1,968,409 km (0.11 R)
• M11: 2,167,224 km (0.099 R)
• M12: 2,884,845 km (0.062 R)
• M13: 3,342,016 km (0.063 R)
• M14: 3,430,279 km (0.063 R)
• M15: 4,195,173 km (0.117 R)
• M16: 4,810,619 km (0.112 R)
• M17: 5,419,183 km (0.109 R)
• M18: 6,195,446 km (0.116 R)
• M19: 6,231,649 km (0.108 R)
• M20: 7,119,213 km (0.037 R)
• M21: 7,462,241 km (0.099 R)
• M22: 7,616,327 km (0.115 R)
• M23: 8,045,673 km (0.094 R)
• M24: 8,085,167 km (0.087 R)
• M25: 8,323,027 km (0.097 R)
• M26: 8,643,915 km (0.08 R)
• M27: 10,179,387 km (0.077 R)
• M28: 10,608,733 km (0.116 R)
• M29: 11,131,578 km (0.109 R)
• M30: 11,219,541 km (0.03 R)
• M31: 11,396,216 km (0.1 R)
• M32: 11,662,800 km (0.096 R)
• M33: 11,752,259 km (0.069 R)
• M34: 12,202,399 km (0.099 R)
• M35: 12,566,520 km (0.065 R)
• M36: 12,934,381 km (0.077 R)
• M37: 12,980,607 km (0.088 R)
• M38: 13,026,833 km (0.05 R)
• M39: 13,963,764 km (0.114 R)
• M40: 14,296,919 km (0.115 R)
• M41: 15,067,946 km (0.11 R)
• M42: 15,262,872 km (0.039 R)
• M43: 15,852,438 km (0.079 R)
• M44: 16,349,551 km (0.094 R)
• M45: 17,307,875 km (0.07 R)
• M46: 17,358,888 km (0.117 R)
• M47: 17,819,650 km (0.086 R)
• M48: 18,284,450 km (0.097 R)
• M49: 19,969,072 km (0.11 R)
• M50: 20,290,408 km (0.084 R)
• M51: 20,451,824 km (0.054 R)
• M52: 20,559,535 km (0.109 R)
• M53: 20,829,858 km (0.066 R)
• M54: 21,373,945 km (0.095 R)
• M55: 21,647,859 km (0.091 R)
• M56: 22,922,283 km (0.054 R)
• M57: 22,978,233 km (0.041 R)
• M58: 23,258,729 km (0.114 R)
• M59: 23,483,874 km (0.099 R)
• M60: 23,936,407 km (0.107 R)
• M61: 24,965,341 km (0.079 R)
• M62: 25,950,144 km (0.095 R)
• M63: 26,770,689 km (0.107 R)
• M64: 26,829,630 km (0.064 R)
• M65: 27,897,909 km (0.087 R)
• M66: 29,343,772 km (0.091 R)
• M67: 29,587,018 km (0.037 R)
• M68: 29,953,234 km (0.119 R)
• M69: 30,014,419 km (0.094 R)
• M70: 31,061,006 km (0.107 R)
• M71: 32,370,286 km (0.05 R)
• M72: 32,810,703 km (0.069 R)
• M73: 32,873,833 km (0.077 R)
• M74: 33,506,781 km (0.099 R)
• M75: 33,761,247 km (0.111 R)
• M76: 34,399,881 km (0.102 R)
• M77: 34,656,441 km (0.078 R)
• M78: 35,235,983 km (0.061 R)
• M79: 37,388,397 km (0.054 R)
• M80: 37,916,628 km (0.111 R)
• M81: 38,181,715 km (0.12 R)
• M82: 38,980,418 km (0.119 R)
• M83: 39,448,959 km (0.096 R)
• M84: 39,650,317 km (0.109 R)
• M85: 39,851,975 km (0.055 R)
• M86: 39,919,294 km (0.061 R)
• M87: 41,069,253 km (0.108 R)
• M88: 44,933,815 km (0.04 R)
• M89: 45,354,634 km (0.103 R)
• M90: 45,988,480 km (0.055 R)
• M91: 46,554,259 km (0.107 R)
• M92: 47,193,491 km (0.091 R)
• M93: 47,407,266 km (0.097 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 16,472 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit