🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.47 AU - 0.65 AU

Year: 275 Days

Day: 27.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.7

Radius: 11.4

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.73 AU - 0.87 AU

Year: 469 Days

Day: 11.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 36,894,917 km

• M1: 142,567 km (0.078 R)
• M2: 219,310 km (0.112 R)
• M3: 350,657 km (0.06 R)
• M4: 436,676 km (0.065 R)
• M5: 509,680 km (0.118 R)
• M6: 604,974 km (0.107 R)
• M7: 692,638 km (0.11 R)
• M8: 781,499 km (0.108 R)
• M9: 930,798 km (0.119 R)
• M10: 1,064,538 km (0.032 R)
• M11: 1,169,257 km (0.119 R)
• M12: 1,337,854 km (0.117 R)
• M13: 1,466,209 km (0.114 R)
• M14: 1,554,172 km (0.093 R)
• M15: 1,633,908 km (0.049 R)
• M16: 1,730,399 km (0.072 R)
• M17: 1,823,748 km (0.12 R)
• M18: 1,908,270 km (0.06 R)
• M19: 2,053,829 km (0.108 R)
• M20: 2,208,813 km (0.091 R)
• M21: 2,396,558 km (0.104 R)
• M22: 2,477,939 km (0.099 R)
• M23: 2,577,871 km (0.06 R)
• M24: 2,661,197 km (0.079 R)
• M25: 2,763,671 km (0.108 R)
• M26: 2,972,809 km (0.04 R)
• M27: 3,091,889 km (0.095 R)
• M28: 3,238,345 km (0.047 R)
• M29: 3,322,120 km (0.102 R)
• M30: 3,406,493 km (0.11 R)
• M31: 3,657,818 km (0.1 R)
• M32: 3,745,183 km (0.03 R)
• M33: 3,840,028 km (0.032 R)
• M34: 3,949,533 km (0.09 R)
• M35: 4,087,762 km (0.041 R)
• M36: 4,277,003 km (0.11 R)
• M37: 4,534,012 km (0.068 R)
• M38: 4,708,144 km (0.053 R)
• M39: 4,803,288 km (0.093 R)
• M40: 5,108,019 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.7

Radius: 12.4

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.82 AU - 1.12 AU

Year: 627 Days

Day: 7.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 36,894,917 km

• M1: 157,377 km (0.108 R)
• M2: 236,065 km (0.112 R)
• M3: 347,217 km (0.104 R)
• M4: 426,803 km (0.083 R)
• M5: 525,238 km (0.105 R)
• M6: 611,556 km (0.109 R)
• M7: 722,857 km (0.032 R)
• M8: 921,074 km (0.078 R)
• M9: 998,865 km (0.081 R)
• M10: 1,129,015 km (0.076 R)
• M11: 1,246,300 km (0.119 R)
• M12: 1,338,303 km (0.094 R)
• M13: 1,417,589 km (0.109 R)
• M14: 1,529,489 km (0.074 R)
• M15: 1,660,387 km (0.058 R)
• M16: 1,806,245 km (0.083 R)
• M17: 1,984,715 km (0.093 R)
• M18: 2,175,153 km (0.09 R)
• M19: 2,269,549 km (0.09 R)
• M20: 2,353,474 km (0.106 R)
• M21: 2,456,846 km (0.091 R)
• M22: 2,580,414 km (0.047 R)
• M23: 2,680,794 km (0.094 R)
• M24: 2,788,953 km (0.081 R)
• M25: 2,885,593 km (0.069 R)
• M26: 2,996,445 km (0.068 R)
• M27: 3,148,886 km (0.088 R)
• M28: 3,304,019 km (0.096 R)
• M29: 3,461,695 km (0.032 R)
• M30: 3,656,920 km (0.057 R)
• M31: 3,848,854 km (0.044 R)
• M32: 4,029,568 km (0.108 R)
• M33: 4,109,902 km (0.098 R)
• M34: 4,257,555 km (0.085 R)
• M35: 4,361,975 km (0.094 R)
• M36: 4,497,361 km (0.091 R)
• M37: 4,588,466 km (0.108 R)
• M38: 4,710,987 km (0.118 R)
• M39: 4,857,892 km (0.109 R)
• M40: 5,037,708 km (0.068 R)
• M41: 5,227,698 km (0.087 R)
• M42: 5,387,917 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379

Radius: 13.4

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.27 AU - 1.35 AU

Year: 984 Days

Day: 7.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 36,894,917 km

• M1: 207,193 km (0.104 R)
• M2: 328,667 km (0.116 R)
• M3: 414,984 km (0.118 R)
• M4: 569,818 km (0.059 R)
• M5: 658,530 km (0.046 R)
• M6: 773,421 km (0.102 R)
• M7: 957,576 km (0.078 R)
• M8: 1,114,803 km (0.103 R)
• M9: 1,256,173 km (0.048 R)
• M10: 1,397,394 km (0.041 R)
• M11: 1,578,258 km (0.079 R)
• M12: 1,752,988 km (0.045 R)
• M13: 1,890,319 km (0.11 R)
• M14: 1,993,840 km (0.065 R)
• M15: 2,106,936 km (0.074 R)
• M16: 2,206,868 km (0.096 R)
• M17: 2,451,610 km (0.111 R)
• M18: 2,647,434 km (0.111 R)
• M19: 2,755,742 km (0.094 R)
• M20: 2,968,171 km (0.11 R)
• M21: 3,186,285 km (0.057 R)
• M22: 3,319,726 km (0.12 R)
• M23: 3,500,441 km (0.084 R)
• M24: 3,881,616 km (0.091 R)
• M25: 4,062,779 km (0.112 R)
• M26: 4,256,508 km (0.116 R)
• M27: 4,374,391 km (0.085 R)
• M28: 4,613,299 km (0.099 R)
• M29: 4,714,128 km (0.072 R)
• M30: 5,000,309 km (0.043 R)
• M31: 5,114,452 km (0.092 R)
• M32: 5,525,846 km (0.065 R)
• M33: 5,676,192 km (0.078 R)
• M34: 5,795,272 km (0.05 R)
• M35: 6,003,063 km (0.091 R)
• M36: 6,124,387 km (0.062 R)
• M37: 6,336,068 km (0.1 R)
• M38: 7,055,185 km (0.109 R)
• M39: 7,206,877 km (0.118 R)
• M40: 7,371,435 km (0.092 R)
• M41: 7,632,483 km (0.081 R)
• M42: 7,884,556 km (0.102 R)
• M43: 8,249,575 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.7

Radius: 11.1

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.06 AU - 1.62 AU

Year: 1018 Days

Day: 7.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 36,894,917 km

• M1: 141,819 km (0.114 R)
• M2: 218,114 km (0.092 R)
• M3: 292,913 km (0.103 R)
• M4: 410,646 km (0.106 R)
• M5: 479,760 km (0.119 R)
• M6: 615,595 km (0.097 R)
• M7: 698,173 km (0.091 R)
• M8: 816,804 km (0.026 R)
• M9: 936,034 km (0.09 R)
• M10: 1,104,631 km (0.089 R)
• M11: 1,245,701 km (0.093 R)
• M12: 1,424,621 km (0.082 R)
• M13: 1,521,560 km (0.069 R)
• M14: 1,603,988 km (0.073 R)
• M15: 1,747,902 km (0.075 R)
• M16: 1,817,165 km (0.112 R)
• M17: 1,904,979 km (0.117 R)
• M18: 2,039,617 km (0.107 R)
• M19: 2,131,171 km (0.036 R)
• M20: 2,224,221 km (0.038 R)
• M21: 2,521,323 km (0.057 R)
• M22: 2,985,674 km (0.052 R)
• M23: 3,153,523 km (0.115 R)
• M24: 3,249,415 km (0.109 R)
• M25: 3,335,434 km (0.101 R)
• M26: 3,520,786 km (0.06 R)
• M27: 3,609,198 km (0.118 R)
• M28: 4,155,530 km (0.102 R)
• M29: 4,272,665 km (0.111 R)
• M30: 4,390,997 km (0.072 R)
• M31: 4,462,355 km (0.105 R)
• M32: 4,546,279 km (0.067 R)
• M33: 4,703,507 km (0.117 R)
• M34: 4,837,995 km (0.066 R)
• M35: 5,085,729 km (0.053 R)
• M36: 5,312,370 km (0.077 R)
• M37: 5,401,381 km (0.058 R)
• M38: 5,749,495 km (0.115 R)
• M39: 6,025,204 km (0.081 R)
• M40: 6,144,882 km (0.08 R)
• M41: 7,185,784 km (0.099 R)
• M42: 7,298,581 km (0.1 R)
• M43: 7,468,823 km (0.112 R)
• M44: 7,568,755 km (0.113 R)
• M45: 7,669,135 km (0.12 R)
• M46: 7,784,325 km (0.028 R)
• M47: 8,251,220 km (0.075 R)
• M48: 8,324,972 km (0.09 R)
• M49: 8,399,023 km (0.106 R)
• M50: 8,488,183 km (0.069 R)
• M51: 8,607,413 km (0.099 R)
• M52: 8,757,310 km (0.051 R)
• M53: 8,877,886 km (0.085 R)
• M54: 9,181,719 km (0.099 R)
• M55: 9,304,090 km (0.112 R)
• M56: 9,473,435 km (0.109 R)
• M57: 9,674,943 km (0.05 R)
• M58: 9,924,772 km (0.072 R)
• M59: 10,176,694 km (0.093 R)
• M60: 10,526,753 km (0.109 R)
• M61: 10,622,945 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.9

Radius: 10.5

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.13 AU - 1.83 AU

Year: 1181 Days

Day: 12.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 36,894,917 km

• M1: 139,126 km (0.071 R)
• M2: 226,342 km (0.082 R)
• M3: 296,802 km (0.099 R)
• M4: 379,231 km (0.087 R)
• M5: 462,257 km (0.112 R)
• M6: 573,857 km (0.12 R)
• M7: 713,432 km (0.088 R)
• M8: 846,126 km (0.061 R)
• M9: 922,420 km (0.1 R)
• M10: 1,027,887 km (0.117 R)
• M11: 1,561,503 km (0.11 R)
• M12: 1,640,789 km (0.095 R)
• M13: 1,770,640 km (0.069 R)
• M14: 1,912,609 km (0.079 R)
• M15: 2,163,335 km (0.094 R)
• M16: 2,297,375 km (0.073 R)
• M17: 2,370,079 km (0.085 R)
• M18: 2,602,105 km (0.033 R)
• M19: 2,696,950 km (0.096 R)
• M20: 2,812,440 km (0.111 R)
• M21: 3,038,482 km (0.105 R)
• M22: 3,301,176 km (0.093 R)
• M23: 3,445,837 km (0.094 R)
• M24: 3,571,500 km (0.112 R)
• M25: 3,709,279 km (0.058 R)
• M26: 3,903,008 km (0.079 R)
• M27: 4,001,294 km (0.109 R)
• M28: 4,100,328 km (0.052 R)
• M29: 4,816,154 km (0.091 R)
• M30: 4,898,133 km (0.095 R)
• M31: 4,968,744 km (0.09 R)
• M32: 5,039,803 km (0.088 R)
• M33: 5,134,947 km (0.111 R)
• M34: 5,206,754 km (0.115 R)
• M35: 5,387,618 km (0.096 R)
• M36: 5,706,261 km (0.104 R)
• M37: 5,842,844 km (0.101 R)
• M38: 5,942,925 km (0.096 R)
• M39: 6,030,889 km (0.105 R)
• M40: 6,119,450 km (0.091 R)
• M41: 6,490,603 km (0.113 R)
• M42: 6,568,244 km (0.111 R)
• M43: 6,724,723 km (0.063 R)
• M44: 6,895,415 km (0.033 R)
• M45: 7,214,657 km (0.04 R)
• M46: 7,295,140 km (0.073 R)
• M47: 7,416,614 km (0.043 R)
• M48: 7,579,526 km (0.115 R)
• M49: 7,743,635 km (0.037 R)
• M50: 7,826,063 km (0.057 R)
• M51: 8,033,705 km (0.09 R)
• M52: 8,117,180 km (0.095 R)
• M53: 8,496,710 km (0.115 R)
• M54: 8,767,183 km (0.078 R)
• M55: 8,867,563 km (0.096 R)
• M56: 9,448,751 km (0.064 R)
• M57: 9,952,298 km (0.112 R)
• M58: 10,027,096 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.7

Radius: 14.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.46 AU - 1.8 AU

Year: 1365 Days

Day: 10 Hours

Environment

Temp: -178 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 36,894,917 km

• M1: 178,021 km (0.035 R)
• M2: 345,272 km (0.104 R)
• M3: 434,881 km (0.119 R)
• M4: 531,970 km (0.101 R)
• M5: 648,656 km (0.118 R)
• M6: 744,399 km (0.052 R)
• M7: 890,257 km (0.055 R)
• M8: 1,005,148 km (0.088 R)
• M9: 1,138,141 km (0.06 R)
• M10: 1,349,373 km (0.102 R)
• M11: 1,463,666 km (0.047 R)
• M12: 1,616,555 km (0.112 R)
• M13: 1,767,798 km (0.076 R)
• M14: 1,856,510 km (0.07 R)
• M15: 1,954,347 km (0.092 R)
• M16: 2,069,537 km (0.079 R)
• M17: 2,163,335 km (0.11 R)
• M18: 2,290,792 km (0.114 R)
• M19: 2,453,854 km (0.102 R)
• M20: 2,578,768 km (0.104 R)
• M21: 2,714,304 km (0.09 R)
• M22: 2,843,706 km (0.077 R)
• M23: 3,099,817 km (0.094 R)
• M24: 3,262,730 km (0.082 R)
• M25: 3,354,433 km (0.116 R)
• M26: 3,503,133 km (0.049 R)
• M27: 3,816,840 km (0.101 R)
• M28: 4,031,064 km (0.027 R)
• M29: 4,380,375 km (0.075 R)
• M30: 4,749,882 km (0.101 R)
• M31: 5,023,197 km (0.112 R)
• M32: 5,215,580 km (0.084 R)
• M33: 5,345,132 km (0.111 R)
• M34: 5,541,554 km (0.119 R)
• M35: 6,316,620 km (0.11 R)
• M36: 6,501,224 km (0.08 R)
• M37: 6,687,773 km (0.086 R)
• M38: 6,793,389 km (0.103 R)
• M39: 6,947,026 km (0.105 R)
• M40: 7,233,805 km (0.088 R)
• M41: 7,342,263 km (0.058 R)
• M42: 7,487,822 km (0.099 R)
• M43: 7,609,894 km (0.066 R)
• M44: 7,769,665 km (0.11 R)
• M45: 8,054,798 km (0.091 R)
• M46: 8,318,390 km (0.059 R)
• M47: 8,470,231 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.7

Radius: 9.1

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.54 AU - 2.02 AU

Year: 1558 Days

Day: 5.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 36,894,917 km

• M1: 115,190 km (0.11 R)
• M2: 209,886 km (0.111 R)
• M3: 294,259 km (0.064 R)
• M4: 375,491 km (0.087 R)
• M5: 823,536 km (0.077 R)
• M6: 969,095 km (0.114 R)
• M7: 1,194,838 km (0.089 R)
• M8: 1,261,559 km (0.058 R)
• M9: 1,476,232 km (0.099 R)
• M10: 1,614,759 km (0.072 R)
• M11: 1,764,656 km (0.057 R)
• M12: 1,919,191 km (0.085 R)
• M13: 2,204,175 km (0.08 R)
• M14: 2,456,098 km (0.086 R)
• M15: 2,863,602 km (0.099 R)
• M16: 3,079,622 km (0.09 R)
• M17: 3,155,617 km (0.071 R)
• M18: 3,309,554 km (0.079 R)
• M19: 3,378,818 km (0.101 R)
• M20: 3,483,536 km (0.1 R)
• M21: 3,625,056 km (0.094 R)
• M22: 3,913,480 km (0.109 R)
• M23: 4,069,960 km (0.097 R)
• M24: 4,303,632 km (0.1 R)
• M25: 4,369,903 km (0.047 R)
• M26: 4,455,473 km (0.113 R)
• M27: 4,551,366 km (0.099 R)
• M28: 5,001,206 km (0.075 R)
• M29: 5,516,571 km (0.118 R)
• M30: 5,671,405 km (0.032 R)
• M31: 5,869,472 km (0.12 R)
• M32: 6,197,840 km (0.098 R)
• M33: 7,501,585 km (0.068 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.8

Radius: 11.7

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.03 AU - 6.13 AU

Year: 8647 Days

Day: 10.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 36,894,917 km

• M1: 171,738 km (0.04 R)
• M2: 273,764 km (0.092 R)
• M3: 386,112 km (0.096 R)
• M4: 484,697 km (0.103 R)
• M5: 645,664 km (0.084 R)
• M6: 726,597 km (0.109 R)
• M7: 855,550 km (0.037 R)
• M8: 946,057 km (0.096 R)
• M9: 1,187,807 km (0.095 R)
• M10: 1,325,138 km (0.096 R)
• M11: 1,789,191 km (0.062 R)
• M12: 2,112,023 km (0.086 R)
• M13: 2,301,862 km (0.064 R)
• M14: 2,388,031 km (0.087 R)
• M15: 2,766,962 km (0.107 R)
• M16: 3,165,042 km (0.108 R)
• M17: 3,531,557 km (0.104 R)
• M18: 3,758,048 km (0.057 R)
• M19: 4,015,506 km (0.069 R)
• M20: 4,146,404 km (0.109 R)
• M21: 4,711,585 km (0.098 R)
• M22: 5,130,459 km (0.09 R)
• M23: 5,244,153 km (0.109 R)
• M24: 5,532,129 km (0.028 R)
• M25: 5,648,816 km (0.107 R)
• M26: 6,093,720 km (0.08 R)
• M27: 6,488,508 km (0.094 R)
• M28: 6,891,675 km (0.1 R)
• M29: 7,048,902 km (0.108 R)
• M30: 7,755,004 km (0.115 R)
• M31: 8,282,636 km (0.056 R)
• M32: 9,268,635 km (0.108 R)
• M33: 9,407,612 km (0.081 R)
• M34: 9,547,187 km (0.082 R)
• M35: 9,793,275 km (0.09 R)
• M36: 10,184,174 km (0.045 R)
• M37: 10,725,419 km (0.11 R)
• M38: 10,944,580 km (0.09 R)
• M39: 11,017,883 km (0.104 R)
• M40: 11,128,286 km (0.095 R)
• M41: 11,573,490 km (0.052 R)
• M42: 11,835,884 km (0.047 R)
• M43: 11,911,282 km (0.073 R)
• M44: 13,177,328 km (0.068 R)
• M45: 13,294,613 km (0.098 R)
• M46: 13,451,392 km (0.05 R)
• M47: 14,728,359 km (0.085 R)
• M48: 15,299,075 km (0.097 R)
• M49: 15,711,217 km (0.054 R)
• M50: 15,835,533 km (0.088 R)
• M51: 15,918,709 km (0.098 R)
• M52: 16,842,177 km (0.084 R)
• M53: 17,011,971 km (0.111 R)
• M54: 17,097,092 km (0.058 R)
• M55: 17,481,858 km (0.107 R)
• M56: 17,567,876 km (0.056 R)
• M57: 18,173,000 km (0.06 R)
• M58: 18,609,526 km (0.098 R)
• M59: 18,961,231 km (0.105 R)
• M60: 20,029,509 km (0.039 R)
• M61: 21,162,863 km (0.038 R)
• M62: 22,084,685 km (0.112 R)
• M63: 22,550,383 km (0.11 R)
• M64: 24,014,946 km (0.119 R)
• M65: 24,638,171 km (0.062 R)
• M66: 24,734,662 km (0.075 R)
• M67: 24,831,152 km (0.091 R)
• M68: 25,266,781 km (0.075 R)
• M69: 26,391,907 km (0.105 R)
• M70: 27,283,809 km (0.113 R)
• M71: 28,488,371 km (0.062 R)
• M72: 28,589,649 km (0.045 R)
• M73: 28,893,782 km (0.113 R)
• M74: 29,505,487 km (0.048 R)
• M75: 29,607,812 km (0.052 R)
• M76: 30,018,458 km (0.103 R)
• M77: 30,172,843 km (0.106 R)
• M78: 31,418,096 km (0.067 R)
• M79: 32,627,296 km (0.041 R)
• M80: 34,388,661 km (0.04 R)
• M81: 35,090,873 km (0.113 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 18,786 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit