🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.49 AU - 0.53 AU

Year: 239 Days

Day: 30.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,317,229 km

• M1: 30,668 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.5

Radius: 9.1

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.8 AU - 0.92 AU

Year: 523 Days

Day: 6.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,317,229 km

• M1: 123,568 km (0.115 R)
• M2: 186,549 km (0.077 R)
• M3: 244,742 km (0.108 R)
• M4: 329,415 km (0.053 R)
• M5: 386,262 km (0.108 R)
• M6: 447,298 km (0.108 R)
• M7: 505,042 km (0.086 R)
• M8: 569,669 km (0.072 R)
• M9: 729,140 km (0.118 R)
• M10: 812,316 km (0.058 R)
• M11: 878,738 km (0.095 R)
• M12: 961,166 km (0.075 R)
• M13: 1,048,531 km (0.1 R)
• M14: 1,106,875 km (0.12 R)
• M15: 1,203,964 km (0.099 R)
• M16: 1,298,809 km (0.118 R)
• M17: 1,367,175 km (0.101 R)
• M18: 1,425,817 km (0.071 R)
• M19: 1,568,234 km (0.066 R)
• M20: 1,627,026 km (0.035 R)
• M21: 1,683,724 km (0.093 R)
• M22: 1,752,838 km (0.047 R)
• M23: 1,814,024 km (0.117 R)
• M24: 1,962,724 km (0.076 R)
• M25: 2,035,578 km (0.114 R)
• M26: 2,106,338 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605

Radius: 13.4

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.3 AU - 3.58 AU

Year: 3307 Days

Day: 5.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 44,317,229 km

• M1: 172,187 km (0.088 R)
• M2: 258,206 km (0.071 R)
• M3: 440,566 km (0.11 R)
• M4: 606,021 km (0.078 R)
• M5: 755,918 km (0.104 R)
• M6: 856,897 km (0.072 R)
• M7: 941,270 km (0.104 R)
• M8: 1,062,594 km (0.049 R)
• M9: 1,166,115 km (0.103 R)
• M10: 1,322,296 km (0.111 R)
• M11: 1,960,031 km (0.083 R)
• M12: 2,162,886 km (0.087 R)
• M13: 2,267,006 km (0.092 R)
• M14: 2,496,040 km (0.062 R)
• M15: 2,716,847 km (0.1 R)
• M16: 2,977,147 km (0.082 R)
• M17: 3,194,812 km (0.092 R)
• M18: 3,383,156 km (0.082 R)
• M19: 3,610,545 km (0.056 R)
• M20: 3,861,121 km (0.102 R)
• M21: 4,191,882 km (0.039 R)
• M22: 4,304,230 km (0.116 R)
• M23: 4,940,021 km (0.097 R)
• M24: 5,138,687 km (0.042 R)
• M25: 5,400,932 km (0.058 R)
• M26: 5,543,947 km (0.051 R)
• M27: 5,771,187 km (0.103 R)
• M28: 6,107,483 km (0.116 R)
• M29: 6,320,959 km (0.06 R)
• M30: 6,428,520 km (0.077 R)
• M31: 6,733,251 km (0.107 R)
• M32: 7,020,478 km (0.099 R)
• M33: 7,176,808 km (0.088 R)
• M34: 7,311,746 km (0.108 R)
• M35: 7,493,058 km (0.081 R)
• M36: 7,813,946 km (0.101 R)
• M37: 8,469,184 km (0.108 R)
• M38: 8,755,515 km (0.113 R)
• M39: 8,996,517 km (0.118 R)
• M40: 9,190,844 km (0.076 R)
• M41: 9,337,600 km (0.045 R)
• M42: 10,133,461 km (0.055 R)
• M43: 10,310,435 km (0.1 R)
• M44: 10,744,568 km (0.091 R)
• M45: 10,847,641 km (0.119 R)
• M46: 11,028,654 km (0.09 R)
• M47: 11,158,655 km (0.1 R)
• M48: 11,341,463 km (0.069 R)
• M49: 11,551,648 km (0.085 R)
• M50: 11,710,222 km (0.069 R)
• M51: 12,324,471 km (0.077 R)
• M52: 12,867,212 km (0.037 R)
• M53: 13,168,951 km (0.107 R)
• M54: 13,334,556 km (0.111 R)
• M55: 13,445,408 km (0.085 R)
• M56: 13,612,209 km (0.065 R)
• M57: 13,695,835 km (0.078 R)
• M58: 14,570,384 km (0.11 R)
• M59: 15,230,858 km (0.1 R)
• M60: 15,725,429 km (0.099 R)
• M61: 16,018,790 km (0.063 R)
• M62: 16,551,508 km (0.11 R)
• M63: 16,969,784 km (0.05 R)
• M64: 17,391,650 km (0.056 R)
• M65: 17,634,298 km (0.11 R)
• M66: 18,708,859 km (0.1 R)
• M67: 19,552,292 km (0.063 R)
• M68: 19,646,838 km (0.097 R)
• M69: 20,921,113 km (0.111 R)
• M70: 21,535,810 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.2

Radius: 11.3

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.89 AU - 3.35 AU

Year: 3615 Days

Day: 15 Hours

Environment

Temp: -199 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 44,317,229 km

• M1: 184,753 km (0.112 R)
• M2: 256,710 km (0.116 R)
• M3: 354,098 km (0.108 R)
• M4: 432,936 km (0.094 R)
• M5: 599,887 km (0.062 R)
• M6: 790,326 km (0.112 R)
• M7: 959,371 km (0.076 R)
• M8: 1,213,239 km (0.03 R)
• M9: 1,410,858 km (0.053 R)
• M10: 1,488,948 km (0.112 R)
• M11: 1,837,959 km (0.048 R)
• M12: 2,492,001 km (0.064 R)
• M13: 2,635,914 km (0.093 R)
• M14: 2,770,403 km (0.076 R)
• M15: 3,410,233 km (0.058 R)
• M16: 3,530,211 km (0.118 R)
• M17: 3,651,684 km (0.093 R)
• M18: 3,774,653 km (0.114 R)
• M19: 3,982,445 km (0.077 R)
• M20: 4,265,634 km (0.092 R)
• M21: 4,424,207 km (0.072 R)
• M22: 4,747,189 km (0.092 R)
• M23: 4,881,528 km (0.11 R)
• M24: 4,971,885 km (0.118 R)
• M25: 5,062,691 km (0.108 R)
• M26: 5,246,248 km (0.099 R)
• M27: 5,385,224 km (0.039 R)
• M28: 5,793,776 km (0.119 R)
• M29: 6,277,725 km (0.12 R)
• M30: 6,359,705 km (0.101 R)
• M31: 6,524,562 km (0.054 R)
• M32: 6,741,179 km (0.089 R)
• M33: 6,858,763 km (0.1 R)
• M34: 6,960,191 km (0.066 R)
• M35: 7,215,853 km (0.111 R)
• M36: 7,526,568 km (0.109 R)
• M37: 7,894,878 km (0.102 R)
• M38: 8,179,413 km (0.116 R)
• M39: 8,923,962 km (0.114 R)
• M40: 9,823,195 km (0.085 R)
• M41: 10,322,253 km (0.087 R)
• M42: 10,574,924 km (0.107 R)
• M43: 11,106,296 km (0.087 R)
• M44: 11,445,284 km (0.118 R)
• M45: 12,565,473 km (0.12 R)
• M46: 12,752,022 km (0.099 R)
• M47: 13,338,595 km (0.11 R)
• M48: 13,571,519 km (0.118 R)
• M49: 13,912,602 km (0.119 R)
• M50: 14,041,256 km (0.115 R)
• M51: 14,342,845 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.2

Radius: 3.4

Gravity: 82.2 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.35 AU - 8.01 AU

Year: 11326 Days

Day: 21.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 44,317,229 km

• M1: 91,853 km (0.113 R)
• M2: 244,742 km (0.074 R)
• M3: 489,335 km (0.067 R)
• M4: 524,191 km (0.073 R)
• M5: 730,486 km (0.12 R)
• M6: 1,234,482 km (0.039 R)
• M7: 1,455,288 km (0.066 R)
• M8: 1,506,151 km (0.043 R)
• M9: 2,365,142 km (0.101 R)
• M10: 3,653,030 km (0.096 R)
• M11: 3,897,174 km (0.095 R)
• M12: 4,623,322 km (0.119 R)
• M13: 4,735,820 km (0.043 R)
• M14: 5,468,999 km (0.071 R)
• M15: 5,508,642 km (0.114 R)
• M16: 5,627,872 km (0.053 R)
• M17: 5,828,632 km (0.081 R)
• M18: 6,952,112 km (0.106 R)
• M19: 7,167,384 km (0.092 R)
• M20: 7,472,264 km (0.061 R)
• M21: 7,870,793 km (0.112 R)
• M22: 8,095,040 km (0.103 R)
• M23: 9,627,221 km (0.095 R)
• M24: 10,060,307 km (0.046 R)
• M25: 10,499,826 km (0.093 R)
• M26: 10,647,628 km (0.079 R)
• M27: 10,895,662 km (0.117 R)
• M28: 11,549,255 km (0.106 R)
• M29: 11,804,020 km (0.058 R)
• M30: 12,009,119 km (0.118 R)
• M31: 12,370,996 km (0.053 R)
• M32: 12,999,606 km (0.079 R)
• M33: 13,477,721 km (0.118 R)
• M34: 13,584,833 km (0.12 R)
• M35: 13,638,389 km (0.104 R)
• M36: 15,615,624 km (0.044 R)
• M37: 17,156,033 km (0.086 R)
• M38: 18,032,677 km (0.097 R)
• M39: 19,103,498 km (0.098 R)
• M40: 20,194,965 km (0.085 R)
• M41: 21,119,779 km (0.086 R)
• M42: 21,556,006 km (0.073 R)
• M43: 21,806,732 km (0.025 R)
• M44: 21,995,225 km (0.102 R)
• M45: 23,975,752 km (0.112 R)
• M46: 24,954,421 km (0.072 R)
• M47: 25,085,768 km (0.105 R)
• M48: 25,613,998 km (0.101 R)
• M49: 26,145,818 km (0.025 R)
• M50: 26,950,356 km (0.116 R)
• M51: 27,423,384 km (0.118 R)
• M52: 27,559,069 km (0.111 R)
• M53: 27,899,105 km (0.101 R)
• M54: 28,652,331 km (0.091 R)
• M55: 30,248,540 km (0.094 R)
• M56: 30,669,807 km (0.087 R)
• M57: 31,517,878 km (0.111 R)
• M58: 32,660,656 km (0.103 R)
• M59: 33,020,588 km (0.084 R)
• M60: 33,164,801 km (0.113 R)
• M61: 34,108,015 km (0.107 R)
• M62: 34,400,030 km (0.041 R)
• M63: 34,473,184 km (0.119 R)
• M64: 35,428,516 km (0.119 R)
• M65: 37,967,940 km (0.074 R)
• M66: 39,030,533 km (0.068 R)
• M67: 39,489,051 km (0.095 R)
• M68: 39,718,833 km (0.081 R)
• M69: 40,333,980 km (0.092 R)
• M70: 40,797,434 km (0.115 R)
• M71: 41,184,892 km (0.04 R)
• M72: 41,495,757 km (0.06 R)
• M73: 43,614,661 km (0.119 R)
• M74: 43,852,222 km (0.069 R)
• M75: 44,727,071 km (0.112 R)
• M76: 45,607,753 km (0.097 R)
• M77: 45,688,087 km (0.103 R)
• M78: 45,768,421 km (0.027 R)
• M79: 46,171,139 km (0.104 R)
• M80: 46,332,555 km (0.105 R)
• M81: 46,979,865 km (0.107 R)
• M82: 47,386,023 km (0.088 R)
• M83: 48,775,638 km (0.075 R)
• M84: 50,344,471 km (0.098 R)
• M85: 51,176,833 km (0.081 R)
• M86: 54,551,462 km (0.078 R)
• M87: 54,722,004 km (0.119 R)
• M88: 55,835,311 km (0.085 R)
• M89: 56,869,481 km (0.082 R)
• M90: 58,084,216 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961

Radius: 6.8

Gravity: 20.78 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.1 AU - 7.64 AU

Year: 13125 Days

Day: 17.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 44,317,229 km

• M1: 148,850 km (0.076 R)
• M2: 598,541 km (0.09 R)
• M3: 824,434 km (0.062 R)
• M4: 1,076,357 km (0.116 R)
• M5: 1,351,617 km (0.118 R)
• M6: 1,510,938 km (0.108 R)
• M7: 1,620,743 km (0.073 R)
• M8: 2,364,694 km (0.116 R)
• M9: 2,524,763 km (0.065 R)
• M10: 2,889,632 km (0.119 R)
• M11: 4,908,905 km (0.116 R)
• M12: 5,196,282 km (0.076 R)
• M13: 5,447,008 km (0.084 R)
• M14: 5,616,353 km (0.086 R)
• M15: 5,787,493 km (0.115 R)
• M16: 6,178,691 km (0.073 R)
• M17: 6,222,673 km (0.107 R)
• M18: 6,713,504 km (0.106 R)
• M19: 7,263,276 km (0.093 R)
• M20: 7,590,596 km (0.112 R)
• M21: 7,684,992 km (0.116 R)
• M22: 8,405,456 km (0.066 R)
• M23: 9,147,461 km (0.113 R)
• M24: 10,273,185 km (0.046 R)
• M25: 11,387,988 km (0.037 R)
• M26: 11,604,606 km (0.053 R)
• M27: 12,373,689 km (0.117 R)
• M28: 13,159,078 km (0.107 R)
• M29: 13,272,622 km (0.114 R)
• M30: 14,018,517 km (0.1 R)
• M31: 14,367,380 km (0.098 R)
• M32: 14,601,500 km (0.088 R)
• M33: 14,836,818 km (0.101 R)
• M34: 14,895,909 km (0.091 R)
• M35: 15,430,871 km (0.107 R)
• M36: 16,764,985 km (0.069 R)
• M37: 17,445,655 km (0.113 R)
• M38: 17,758,165 km (0.028 R)
• M39: 18,515,429 km (0.12 R)
• M40: 18,706,466 km (0.091 R)
• M41: 19,026,306 km (0.053 R)
• M42: 19,154,661 km (0.099 R)
• M43: 20,127,047 km (0.072 R)
• M44: 20,388,993 km (0.054 R)
• M45: 21,248,283 km (0.084 R)
• M46: 22,321,947 km (0.076 R)
• M47: 23,275,933 km (0.072 R)
• M48: 23,688,823 km (0.09 R)
• M49: 24,312,646 km (0.071 R)
• M50: 24,591,646 km (0.107 R)
• M51: 25,364,469 km (0.064 R)
• M52: 26,287,936 km (0.104 R)
• M53: 26,646,074 km (0.063 R)
• M54: 26,789,837 km (0.084 R)
• M55: 27,439,690 km (0.076 R)
• M56: 27,802,914 km (0.078 R)
• M57: 28,240,936 km (0.032 R)
• M58: 28,387,542 km (0.1 R)
• M59: 29,643,117 km (0.095 R)
• M60: 30,540,256 km (0.104 R)
• M61: 32,898,965 km (0.071 R)
• M62: 33,672,237 km (0.104 R)
• M63: 33,749,878 km (0.119 R)
• M64: 34,373,402 km (0.047 R)
• M65: 35,789,944 km (0.108 R)
• M66: 36,984,932 km (0.104 R)
• M67: 37,305,819 km (0.077 R)
• M68: 39,413,953 km (0.056 R)
• M69: 39,495,783 km (0.075 R)
• M70: 39,905,830 km (0.086 R)
• M71: 41,977,462 km (0.11 R)
• M72: 42,731,734 km (0.111 R)
• M73: 43,490,495 km (0.053 R)
• M74: 44,253,743 km (0.095 R)
• M75: 44,594,377 km (0.029 R)
• M76: 44,850,489 km (0.087 R)
• M77: 45,021,479 km (0.095 R)
• M78: 45,107,049 km (0.052 R)
• M79: 45,278,339 km (0.101 R)
• M80: 47,437,634 km (0.094 R)
• M81: 47,960,928 km (0.059 R)
• M82: 48,749,309 km (0.059 R)
• M83: 49,453,765 km (0.045 R)
• M84: 49,807,265 km (0.086 R)
• M85: 51,318,951 km (0.094 R)
• M86: 53,478,546 km (0.045 R)
• M87: 55,026,136 km (0.059 R)
• M88: 56,035,323 km (0.062 R)
• M89: 57,792,799 km (0.094 R)
• M90: 60,888,129 km (0.111 R)
• M91: 63,172,937 km (0.101 R)
• M92: 63,268,679 km (0.098 R)
• M93: 63,556,356 km (0.091 R)
• M94: 63,844,482 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.5

Radius: 5.2

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.38 AU - 11.46 AU

Year: 18966 Days

Day: 24.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 44,317,229 km

• M1: 90,656 km (0.053 R)
• M2: 379,679 km (0.104 R)
• M3: 501,302 km (0.11 R)
• M4: 589,416 km (0.089 R)
• M5: 849,417 km (0.112 R)
• M6: 1,161,328 km (0.1 R)
• M7: 1,485,058 km (0.107 R)
• M8: 1,657,096 km (0.104 R)
• M9: 1,767,948 km (0.034 R)
• M10: 1,835,715 km (0.044 R)
• M11: 2,382,795 km (0.054 R)
• M12: 3,057,631 km (0.051 R)
• M13: 3,359,968 km (0.101 R)
• M14: 3,700,752 km (0.031 R)
• M15: 3,787,668 km (0.104 R)
• M16: 3,933,975 km (0.106 R)
• M17: 4,631,101 km (0.116 R)
• M18: 5,365,477 km (0.072 R)
• M19: 5,629,517 km (0.107 R)
• M20: 6,101,499 km (0.079 R)
• M21: 6,238,680 km (0.064 R)
• M22: 6,273,088 km (0.035 R)
• M23: 6,797,578 km (0.076 R)
• M24: 7,083,160 km (0.111 R)
• M25: 7,408,984 km (0.06 R)
• M26: 7,739,745 km (0.09 R)
• M27: 8,683,408 km (0.116 R)
• M28: 8,799,197 km (0.089 R)
• M29: 9,110,211 km (0.118 R)
• M30: 9,227,795 km (0.07 R)
• M31: 9,306,334 km (0.054 R)
• M32: 9,503,953 km (0.107 R)
• M33: 9,903,379 km (0.097 R)
• M34: 10,226,810 km (0.105 R)
• M35: 10,759,827 km (0.096 R)
• M36: 10,842,554 km (0.072 R)
• M37: 11,008,907 km (0.058 R)
• M38: 11,134,121 km (0.079 R)
• M39: 11,980,994 km (0.104 R)
• M40: 12,195,966 km (0.109 R)
• M41: 12,804,680 km (0.06 R)
• M42: 13,156,834 km (0.062 R)
• M43: 13,557,008 km (0.1 R)
• M44: 13,691,197 km (0.07 R)
• M45: 13,780,956 km (0.1 R)
• M46: 13,870,864 km (0.047 R)
• M47: 14,460,280 km (0.079 R)
• M48: 14,689,165 km (0.088 R)
• M49: 15,057,774 km (0.061 R)
• M50: 15,898,364 km (0.076 R)
• M51: 16,276,847 km (0.064 R)
• M52: 16,658,321 km (0.11 R)
• M53: 16,802,234 km (0.075 R)
• M54: 19,359,460 km (0.058 R)
• M55: 19,864,952 km (0.085 R)
• M56: 20,734,265 km (0.109 R)
• M57: 21,407,455 km (0.062 R)
• M58: 21,615,995 km (0.092 R)
• M59: 22,351,268 km (0.117 R)
• M60: 22,615,907 km (0.117 R)
• M61: 22,775,079 km (0.096 R)
• M62: 22,987,957 km (0.095 R)
• M63: 23,148,176 km (0.08 R)
• M64: 23,523,218 km (0.051 R)
• M65: 24,442,347 km (0.119 R)
• M66: 24,988,529 km (0.113 R)
• M67: 25,153,087 km (0.079 R)
• M68: 26,092,861 km (0.057 R)
• M69: 27,100,402 km (0.099 R)
• M70: 27,495,640 km (0.097 R)
• M71: 28,463,388 km (0.116 R)
• M72: 28,692,722 km (0.096 R)
• M73: 29,964,902 km (0.052 R)
• M74: 30,373,604 km (0.072 R)
• M75: 32,444,337 km (0.084 R)
• M76: 34,072,710 km (0.046 R)
• M77: 34,438,178 km (0.032 R)
• M78: 34,499,214 km (0.082 R)
• M79: 35,974,847 km (0.076 R)
• M80: 36,160,797 km (0.088 R)
• M81: 36,222,731 km (0.107 R)
• M82: 36,284,814 km (0.071 R)
• M83: 36,346,897 km (0.116 R)
• M84: 37,157,568 km (0.096 R)
• M85: 37,345,463 km (0.083 R)
• M86: 37,974,223 km (0.114 R)
• M87: 38,479,564 km (0.062 R)
• M88: 39,114,607 km (0.05 R)
• M89: 41,558,737 km (0.063 R)
• M90: 41,949,188 km (0.099 R)
• M91: 44,317,172 km (0.118 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 19,466 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit