🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.8

Radius: 9

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.55 AU - 0.57 AU

Year: 279 Days

Day: 7.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 81,799,342 km

• M1: 112,647 km (0.11 R)
• M2: 222,602 km (0.118 R)
• M3: 286,630 km (0.046 R)
• M4: 376,687 km (0.06 R)
• M5: 498,011 km (0.035 R)
• M6: 558,150 km (0.032 R)
• M7: 618,138 km (0.112 R)
• M8: 687,103 km (0.095 R)
• M9: 819,497 km (0.098 R)
• M10: 960,718 km (0.103 R)
• M11: 1,026,989 km (0.113 R)
• M12: 1,091,167 km (0.064 R)
• M13: 1,211,743 km (0.102 R)
• M14: 1,292,077 km (0.102 R)
• M15: 1,353,412 km (0.055 R)
• M16: 1,552,527 km (0.109 R)
• M17: 1,613,712 km (0.074 R)
• M18: 1,711,549 km (0.105 R)
• M19: 1,788,592 km (0.077 R)
• M20: 1,857,407 km (0.1 R)
• M21: 1,917,994 km (0.055 R)
• M22: 2,031,389 km (0.109 R)
• M23: 2,088,985 km (0.108 R)
• M24: 2,151,965 km (0.118 R)
• M25: 2,235,441 km (0.055 R)
• M26: 2,370,079 km (0.073 R)
• M27: 2,497,237 km (0.088 R)
• M28: 2,585,051 km (0.069 R)
• M29: 2,695,006 km (0.075 R)
• M30: 2,833,234 km (0.103 R)
• M31: 2,952,164 km (0.086 R)
• M32: 3,094,731 km (0.092 R)
• M33: 3,183,592 km (0.094 R)
• M34: 3,296,090 km (0.082 R)
• M35: 3,369,842 km (0.107 R)
• M36: 3,438,357 km (0.089 R)
• M37: 3,530,510 km (0.086 R)
• M38: 3,682,202 km (0.052 R)
• M39: 3,830,005 km (0.032 R)
• M40: 3,919,614 km (0.113 R)
• M41: 4,119,327 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.4

Radius: 10.2

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.51 AU - 0.67 AU

Year: 302 Days

Day: 5.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,799,342 km

• M1: 127,009 km (0.083 R)
• M2: 198,666 km (0.087 R)
• M3: 274,961 km (0.103 R)
• M4: 343,028 km (0.067 R)
• M5: 448,794 km (0.095 R)
• M6: 532,120 km (0.072 R)
• M7: 644,767 km (0.048 R)
• M8: 716,723 km (0.047 R)
• M9: 782,247 km (0.115 R)
• M10: 984,803 km (0.118 R)
• M11: 1,105,379 km (0.098 R)
• M12: 1,204,861 km (0.042 R)
• M13: 1,292,226 km (0.038 R)
• M14: 1,389,465 km (0.088 R)
• M15: 1,497,475 km (0.107 R)
• M16: 1,604,288 km (0.066 R)
• M17: 1,675,496 km (0.036 R)
• M18: 1,895,854 km (0.105 R)
• M19: 2,043,507 km (0.112 R)
• M20: 2,107,385 km (0.12 R)
• M21: 2,209,112 km (0.073 R)
• M22: 2,341,057 km (0.074 R)
• M23: 2,427,225 km (0.104 R)
• M24: 2,509,654 km (0.077 R)
• M25: 2,583,106 km (0.085 R)
• M26: 2,702,336 km (0.04 R)
• M27: 2,940,945 km (0.119 R)
• M28: 3,050,001 km (0.103 R)
• M29: 3,128,540 km (0.026 R)
• M30: 3,320,175 km (0.094 R)
• M31: 3,444,641 km (0.097 R)
• M32: 3,532,155 km (0.075 R)
• M33: 3,625,953 km (0.094 R)
• M34: 3,742,939 km (0.098 R)
• M35: 3,832,997 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.8

Radius: 11.5

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.87 AU - 1.31 AU

Year: 759 Days

Day: 14 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 81,799,342 km

• M1: 151,842 km (0.111 R)
• M2: 241,301 km (0.067 R)
• M3: 398,678 km (0.114 R)
• M4: 500,255 km (0.081 R)
• M5: 585,825 km (0.103 R)
• M6: 691,441 km (0.077 R)
• M7: 774,319 km (0.075 R)
• M8: 850,464 km (0.103 R)
• M9: 967,449 km (0.106 R)
• M10: 1,095,804 km (0.061 R)
• M11: 1,177,036 km (0.075 R)
• M12: 1,327,232 km (0.114 R)
• M13: 1,452,296 km (0.107 R)
• M14: 1,581,399 km (0.109 R)
• M15: 1,654,253 km (0.109 R)
• M16: 1,810,134 km (0.117 R)
• M17: 2,064,151 km (0.111 R)
• M18: 2,166,177 km (0.108 R)
• M19: 2,284,808 km (0.109 R)
• M20: 2,367,835 km (0.106 R)
• M21: 2,497,985 km (0.086 R)
• M22: 2,591,334 km (0.119 R)
• M23: 2,805,708 km (0.086 R)
• M24: 3,009,610 km (0.042 R)
• M25: 3,176,262 km (0.066 R)
• M26: 3,277,689 km (0.114 R)
• M27: 3,449,278 km (0.053 R)
• M28: 3,536,194 km (0.037 R)
• M29: 3,756,702 km (0.086 R)
• M30: 3,837,335 km (0.073 R)
• M31: 3,936,518 km (0.044 R)
• M32: 4,073,251 km (0.119 R)
• M33: 4,193,079 km (0.094 R)
• M34: 4,285,979 km (0.095 R)
• M35: 4,512,021 km (0.106 R)
• M36: 4,712,931 km (0.053 R)
• M37: 4,887,512 km (0.109 R)
• M38: 5,014,969 km (0.043 R)
• M39: 5,193,440 km (0.098 R)
• M40: 5,283,348 km (0.076 R)
• M41: 5,515,673 km (0.097 R)
• M42: 5,720,473 km (0.083 R)
• M43: 6,011,441 km (0.099 R)
• M44: 6,285,953 km (0.063 R)
• M45: 6,360,602 km (0.047 R)
• M46: 6,478,485 km (0.115 R)
• M47: 6,629,579 km (0.052 R)
• M48: 6,847,543 km (0.055 R)
• M49: 7,023,620 km (0.109 R)
• M50: 7,301,722 km (0.049 R)
• M51: 7,447,730 km (0.116 R)
• M52: 7,628,893 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.4

Radius: 13.5

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.14 AU - 1.34 AU

Year: 921 Days

Day: 14.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 81,799,342 km

• M1: 170,093 km (0.039 R)
• M2: 413,489 km (0.085 R)
• M3: 497,862 km (0.112 R)
• M4: 594,801 km (0.084 R)
• M5: 790,326 km (0.059 R)
• M6: 1,063,790 km (0.064 R)
• M7: 1,348,326 km (0.043 R)
• M8: 1,528,292 km (0.072 R)
• M9: 1,635,853 km (0.107 R)
• M10: 1,776,176 km (0.063 R)
• M11: 1,943,725 km (0.089 R)
• M12: 2,124,739 km (0.102 R)
• M13: 2,213,450 km (0.093 R)
• M14: 2,303,358 km (0.119 R)
• M15: 2,478,538 km (0.111 R)
• M16: 2,589,390 km (0.055 R)
• M17: 2,710,564 km (0.054 R)
• M18: 2,985,824 km (0.096 R)
• M19: 3,196,159 km (0.062 R)
• M20: 3,439,853 km (0.118 R)
• M21: 3,602,466 km (0.118 R)
• M22: 3,738,451 km (0.105 R)
• M23: 3,905,851 km (0.094 R)
• M24: 4,156,726 km (0.117 R)
• M25: 4,278,948 km (0.078 R)
• M26: 4,402,516 km (0.097 R)
• M27: 4,674,335 km (0.063 R)
• M28: 4,791,021 km (0.044 R)
• M29: 4,897,984 km (0.062 R)
• M30: 5,016,465 km (0.084 R)
• M31: 5,168,906 km (0.062 R)
• M32: 5,300,701 km (0.11 R)
• M33: 5,714,190 km (0.041 R)
• M34: 6,068,737 km (0.072 R)
• M35: 6,161,338 km (0.1 R)
• M36: 6,254,537 km (0.03 R)
• M37: 6,348,186 km (0.106 R)
• M38: 6,465,919 km (0.069 R)
• M39: 6,572,433 km (0.117 R)
• M40: 6,919,949 km (0.115 R)
• M41: 7,163,045 km (0.087 R)
• M42: 7,273,448 km (0.09 R)
• M43: 7,607,949 km (0.1 R)
• M44: 7,808,560 km (0.099 R)
• M45: 7,985,534 km (0.062 R)
• M46: 8,125,558 km (0.085 R)
• M47: 8,395,133 km (0.091 R)
• M48: 8,511,520 km (0.1 R)
• M49: 8,680,716 km (0.082 R)
• M50: 8,903,616 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.6

Radius: 14.3

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.62 AU - 1.84 AU

Year: 1517 Days

Day: 10.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 81,799,342 km

• M1: 178,321 km (0.117 R)
• M2: 304,581 km (0.076 R)
• M3: 435,330 km (0.093 R)
• M4: 536,159 km (0.089 R)
• M5: 717,621 km (0.05 R)
• M6: 970,591 km (0.099 R)
• M7: 1,095,804 km (0.102 R)
• M8: 1,227,002 km (0.114 R)
• M9: 1,392,008 km (0.054 R)
• M10: 1,786,348 km (0.103 R)
• M11: 1,911,562 km (0.106 R)
• M12: 2,294,532 km (0.095 R)
• M13: 2,408,526 km (0.026 R)
• M14: 2,583,106 km (0.109 R)
• M15: 2,970,116 km (0.112 R)
• M16: 3,612,190 km (0.078 R)
• M17: 3,759,245 km (0.09 R)
• M18: 3,949,384 km (0.058 R)
• M19: 4,101,076 km (0.109 R)
• M20: 4,311,111 km (0.113 R)
• M21: 4,669,099 km (0.093 R)
• M22: 4,771,125 km (0.108 R)
• M23: 4,888,709 km (0.065 R)
• M24: 5,096,650 km (0.06 R)
• M25: 5,232,036 km (0.113 R)
• M26: 5,338,101 km (0.107 R)
• M27: 5,895,054 km (0.107 R)
• M28: 6,309,141 km (0.074 R)
• M29: 6,634,067 km (0.118 R)
• M30: 6,732,652 km (0.069 R)
• M31: 6,897,958 km (0.111 R)
• M32: 7,064,759 km (0.097 R)
• M33: 7,453,415 km (0.09 R)
• M34: 7,555,889 km (0.117 R)
• M35: 7,883,808 km (0.118 R)
• M36: 8,023,233 km (0.076 R)
• M37: 8,198,711 km (0.108 R)
• M38: 8,589,461 km (0.114 R)
• M39: 8,877,437 km (0.112 R)
• M40: 9,022,547 km (0.091 R)
• M41: 9,132,052 km (0.029 R)
• M42: 9,685,714 km (0.101 R)
• M43: 9,797,913 km (0.104 R)
• M44: 9,985,658 km (0.116 R)
• M45: 10,212,598 km (0.067 R)
• M46: 10,307,592 km (0.097 R)
• M47: 10,422,035 km (0.108 R)
• M48: 11,098,217 km (0.054 R)
• M49: 11,352,982 km (0.072 R)
• M50: 11,570,049 km (0.084 R)
• M51: 11,768,715 km (0.114 R)
• M52: 12,189,384 km (0.116 R)
• M53: 12,513,263 km (0.085 R)
• M54: 13,086,971 km (0.097 R)
• M55: 13,231,782 km (0.084 R)
• M56: 13,460,368 km (0.04 R)
• M57: 13,816,261 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.5

Radius: 8.8

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.38 AU - 3.32 AU

Year: 3208 Days

Day: 6.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 81,799,342 km

• M1: 205,847 km (0.091 R)
• M2: 268,229 km (0.082 R)
• M3: 508,633 km (0.087 R)
• M4: 603,777 km (0.117 R)
• M5: 1,037,611 km (0.069 R)
• M6: 1,388,567 km (0.111 R)
• M7: 1,572,872 km (0.051 R)
• M8: 1,844,392 km (0.057 R)
• M9: 1,985,912 km (0.112 R)
• M10: 2,162,587 km (0.032 R)
• M11: 2,409,872 km (0.112 R)
• M12: 3,205,733 km (0.105 R)
• M13: 3,266,320 km (0.076 R)
• M14: 3,339,623 km (0.071 R)
• M15: 3,959,108 km (0.087 R)
• M16: 4,037,347 km (0.099 R)
• M17: 4,142,515 km (0.05 R)
• M18: 4,396,083 km (0.119 R)
• M19: 4,640,975 km (0.045 R)
• M20: 4,848,617 km (0.067 R)
• M21: 5,002,702 km (0.117 R)
• M22: 5,402,428 km (0.094 R)
• M23: 5,504,005 km (0.072 R)
• M24: 5,723,764 km (0.034 R)
• M25: 5,931,406 km (0.1 R)
• M26: 6,187,069 km (0.095 R)
• M27: 6,431,063 km (0.081 R)
• M28: 6,647,082 km (0.101 R)
• M29: 6,896,911 km (0.112 R)
• M30: 7,213,460 km (0.075 R)
• M31: 8,527,079 km (0.113 R)
• M32: 9,038,554 km (0.118 R)
• M33: 9,124,872 km (0.11 R)
• M34: 9,298,106 km (0.118 R)
• M35: 9,577,555 km (0.118 R)
• M36: 9,824,391 km (0.059 R)
• M37: 11,016,088 km (0.075 R)
• M38: 11,256,193 km (0.117 R)
• M39: 11,330,543 km (0.082 R)
• M40: 11,516,792 km (0.055 R)
• M41: 11,666,540 km (0.049 R)
• M42: 12,463,447 km (0.109 R)
• M43: 12,984,946 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.4

Radius: 7.9

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.4 AU - 7.88 AU

Year: 12723 Days

Day: 16.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 81,799,342 km

• M1: 616,642 km (0.114 R)
• M2: 1,076,506 km (0.077 R)
• M3: 1,222,813 km (0.102 R)
• M4: 1,347,428 km (0.049 R)
• M5: 2,065,049 km (0.08 R)
• M6: 2,114,416 km (0.051 R)
• M7: 2,665,834 km (0.111 R)
• M8: 2,939,149 km (0.114 R)
• M9: 3,298,334 km (0.051 R)
• M10: 3,611,592 km (0.113 R)
• M11: 4,016,852 km (0.107 R)
• M12: 4,120,374 km (0.104 R)
• M13: 4,500,652 km (0.05 R)
• M14: 6,419,245 km (0.093 R)
• M15: 6,711,708 km (0.114 R)
• M16: 7,360,365 km (0.083 R)
• M17: 8,476,365 km (0.108 R)
• M18: 9,094,803 km (0.104 R)
• M19: 9,285,989 km (0.04 R)
• M20: 9,368,267 km (0.117 R)
• M21: 9,423,319 km (0.042 R)
• M22: 9,811,526 km (0.101 R)
• M23: 11,298,379 km (0.112 R)
• M24: 12,793,311 km (0.061 R)
• M25: 13,007,535 km (0.103 R)
• M26: 13,222,956 km (0.088 R)
• M27: 14,033,327 km (0.116 R)
• M28: 14,096,308 km (0.117 R)
• M29: 14,444,572 km (0.096 R)
• M30: 14,508,151 km (0.119 R)
• M31: 15,473,656 km (0.048 R)
• M32: 16,759,599 km (0.107 R)
• M33: 18,873,417 km (0.118 R)
• M34: 19,362,303 km (0.109 R)
• M35: 23,122,146 km (0.114 R)
• M36: 23,233,896 km (0.104 R)
• M37: 23,345,795 km (0.087 R)
• M38: 23,570,192 km (0.117 R)
• M39: 24,398,964 km (0.096 R)
• M40: 25,007,827 km (0.079 R)
• M41: 25,314,054 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.3

Radius: 5.3

Gravity: 30.8 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.92 AU - 11.28 AU

Year: 19835 Days

Day: 16.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 68.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 81,799,342 km

• M1: 68,516 km (0.066 R)
• M2: 103,971 km (0.102 R)
• M3: 263,292 km (0.078 R)
• M4: 601,084 km (0.061 R)
• M5: 1,207,554 km (0.089 R)
• M6: 1,327,681 km (0.098 R)
• M7: 1,812,229 km (0.086 R)
• M8: 1,950,158 km (0.109 R)
• M9: 2,272,691 km (0.066 R)
• M10: 2,535,086 km (0.046 R)
• M11: 2,650,575 km (0.102 R)
• M12: 2,689,471 km (0.102 R)
• M13: 2,728,516 km (0.099 R)
• M14: 2,926,583 km (0.043 R)
• M15: 3,007,216 km (0.102 R)
• M16: 3,047,757 km (0.029 R)
• M17: 3,088,598 km (0.068 R)
• M18: 3,634,779 km (0.111 R)
• M19: 3,721,546 km (0.095 R)
• M20: 3,852,744 km (0.118 R)
• M21: 4,255,910 km (0.041 R)
• M22: 4,301,537 km (0.1 R)
• M23: 4,957,374 km (0.09 R)
• M24: 5,199,124 km (0.072 R)
• M25: 5,845,387 km (0.071 R)
• M26: 6,412,064 km (0.116 R)
• M27: 6,516,932 km (0.057 R)
• M28: 7,931,380 km (0.117 R)
• M29: 9,081,488 km (0.084 R)
• M30: 10,099,203 km (0.11 R)
• M31: 10,160,239 km (0.08 R)
• M32: 10,528,698 km (0.075 R)
• M33: 10,714,648 km (0.12 R)
• M34: 11,852,789 km (0.104 R)
• M35: 12,896,234 km (0.109 R)
• M36: 13,161,770 km (0.098 R)
• M37: 13,968,851 km (0.092 R)
• M38: 14,104,985 km (0.056 R)
• M39: 14,791,938 km (0.1 R)
• M40: 16,269,816 km (0.108 R)
• M41: 16,412,981 km (0.092 R)
• M42: 16,917,425 km (0.084 R)
• M43: 17,207,944 km (0.067 R)
• M44: 18,460,976 km (0.112 R)
• M45: 21,209,986 km (0.116 R)
• M46: 21,759,160 km (0.106 R)
• M47: 21,916,986 km (0.077 R)
• M48: 24,820,980 km (0.085 R)
• M49: 25,815,506 km (0.119 R)
• M50: 27,501,923 km (0.052 R)
• M51: 28,100,464 km (0.074 R)
• M52: 28,963,045 km (0.03 R)
• M53: 29,223,495 km (0.082 R)
• M54: 31,157,197 km (0.059 R)
• M55: 33,222,546 km (0.096 R)
• M56: 33,404,307 km (0.1 R)
• M57: 34,777,316 km (0.051 R)
• M58: 34,961,770 km (0.083 R)
• M59: 35,795,928 km (0.034 R)
• M60: 36,168,726 km (0.084 R)
• M61: 37,012,308 km (0.112 R)
• M62: 39,389,419 km (0.1 R)
• M63: 39,870,675 km (0.025 R)
• M64: 40,257,236 km (0.088 R)
• M65: 40,547,904 km (0.046 R)
• M66: 41,815,447 km (0.106 R)
• M67: 42,011,570 km (0.109 R)
• M68: 43,095,855 km (0.112 R)
• M69: 46,708,494 km (0.098 R)
• M70: 47,422,076 km (0.074 R)
• M71: 48,344,945 km (0.087 R)
• M72: 49,066,755 km (0.1 R)
• M73: 49,273,649 km (0.105 R)
• M74: 49,377,320 km (0.111 R)
• M75: 49,688,334 km (0.096 R)
• M76: 50,208,337 km (0.044 R)
• M77: 53,791,654 km (0.084 R)
• M78: 55,398,485 km (0.112 R)
• M79: 57,021,173 km (0.089 R)
• M80: 59,429,101 km (0.056 R)
• M81: 66,505,529 km (0.087 R)
• M82: 68,113,855 km (0.12 R)
• M83: 69,618,660 km (0.104 R)
• M84: 69,851,135 km (0.065 R)
• M85: 72,778,915 km (0.1 R)
• M86: 75,030,812 km (0.099 R)
• M87: 76,225,052 km (0.082 R)
• M88: 78,511,655 km (0.101 R)
• M89: 79,845,620 km (0.117 R)
• M90: 80,089,015 km (0.101 R)
• M91: 80,820,549 km (0.091 R)
• M92: 81,187,064 km (0.105 R)
• M93: 81,799,368 km (0.089 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 15,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit