🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.46 AU - 0.64 AU

Year: 153 Days

Day: 45.5 Hours

Environment

Temp: 141 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,971,662 km

• M1: 183,557 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.07 AU - 1.15 AU

Year: 438 Days

Day: 39.3 Hours

Environment

Temp: 0 °C

Axial Tilt: 2.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 47,971,662 km

• M1: 455,226 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.01 AU - 1.45 AU

Year: 511 Days

Day: 42 Hours

Environment

Temp: -16 °C

Axial Tilt: 6.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.72 AU - 3.3 AU

Year: 1957 Days

Day: 12.1 Hours

Environment

Temp: -103 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.8

Radius: 12.4

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.61 AU - 5.49 AU

Year: 3637 Days

Day: 14.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 47,971,662 km

• M1: 204,799 km (0.105 R)
• M2: 297,101 km (0.106 R)
• M3: 382,522 km (0.066 R)
• M4: 578,794 km (0.095 R)
• M5: 663,616 km (0.063 R)
• M6: 872,156 km (0.108 R)
• M7: 1,050,177 km (0.034 R)
• M8: 1,171,351 km (0.119 R)
• M9: 1,326,185 km (0.082 R)
• M10: 1,428,510 km (0.095 R)
• M11: 1,579,454 km (0.095 R)
• M12: 1,736,083 km (0.066 R)
• M13: 2,254,590 km (0.053 R)
• M14: 2,414,061 km (0.025 R)
• M15: 2,651,173 km (0.09 R)
• M16: 3,168,184 km (0.107 R)
• M17: 3,247,471 km (0.102 R)
• M18: 3,327,505 km (0.067 R)
• M19: 3,633,433 km (0.078 R)
• M20: 4,229,132 km (0.074 R)
• M21: 4,560,940 km (0.11 R)
• M22: 4,855,348 km (0.088 R)
• M23: 5,016,615 km (0.063 R)
• M24: 5,463,165 km (0.051 R)
• M25: 5,873,512 km (0.099 R)
• M26: 5,971,648 km (0.119 R)
• M27: 6,194,249 km (0.087 R)
• M28: 6,647,681 km (0.1 R)
• M29: 6,801,318 km (0.102 R)
• M30: 7,374,577 km (0.116 R)
• M31: 7,720,746 km (0.105 R)
• M32: 7,990,621 km (0.1 R)
• M33: 8,373,741 km (0.088 R)
• M34: 8,706,895 km (0.097 R)
• M35: 8,790,820 km (0.078 R)
• M36: 9,129,509 km (0.113 R)
• M37: 10,766,260 km (0.092 R)
• M38: 11,128,735 km (0.057 R)
• M39: 11,989,970 km (0.086 R)
• M40: 12,555,001 km (0.107 R)
• M41: 12,904,612 km (0.114 R)
• M42: 13,841,693 km (0.104 R)
• M43: 14,767,255 km (0.09 R)
• M44: 14,867,635 km (0.059 R)
• M45: 15,001,674 km (0.056 R)
• M46: 15,203,781 km (0.03 R)
• M47: 15,644,497 km (0.088 R)
• M48: 15,781,079 km (0.094 R)
• M49: 16,192,773 km (0.057 R)
• M50: 16,538,793 km (0.095 R)
• M51: 16,817,194 km (0.12 R)
• M52: 17,308,324 km (0.097 R)
• M53: 17,555,609 km (0.072 R)
• M54: 17,911,054 km (0.07 R)
• M55: 18,053,770 km (0.103 R)
• M56: 19,137,008 km (0.102 R)
• M57: 19,612,879 km (0.089 R)
• M58: 19,760,233 km (0.1 R)
• M59: 19,907,737 km (0.108 R)
• M60: 20,651,238 km (0.096 R)
• M61: 21,026,430 km (0.113 R)
• M62: 21,517,559 km (0.096 R)
• M63: 21,935,985 km (0.069 R)
• M64: 22,088,874 km (0.062 R)
• M65: 22,357,252 km (0.099 R)
• M66: 23,129,925 km (0.115 R)
• M67: 23,480,583 km (0.091 R)
• M68: 23,676,107 km (0.108 R)
• M69: 24,108,146 km (0.119 R)
• M70: 24,463,590 km (0.083 R)
• M71: 24,701,451 km (0.068 R)
• M72: 25,339,785 km (0.096 R)
• M73: 26,673,300 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.5

Radius: 12.5

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.87 AU - 5.83 AU

Year: 4003 Days

Day: 6.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 47,971,662 km

• M1: 167,550 km (0.098 R)
• M2: 332,257 km (0.119 R)
• M3: 507,586 km (0.084 R)
• M4: 586,723 km (0.059 R)
• M5: 671,096 km (0.067 R)
• M6: 752,028 km (0.117 R)
• M7: 970,741 km (0.089 R)
• M8: 1,191,098 km (0.115 R)
• M9: 1,271,731 km (0.068 R)
• M10: 1,375,403 km (0.061 R)
• M11: 2,082,402 km (0.05 R)
• M12: 2,383,692 km (0.074 R)
• M13: 2,474,349 km (0.051 R)
• M14: 2,605,696 km (0.1 R)
• M15: 3,084,558 km (0.061 R)
• M16: 3,169,380 km (0.107 R)
• M17: 3,576,137 km (0.12 R)
• M18: 3,999,649 km (0.063 R)
• M19: 4,201,905 km (0.037 R)
• M20: 4,328,016 km (0.105 R)
• M21: 4,407,452 km (0.054 R)
• M22: 4,583,978 km (0.043 R)
• M23: 4,828,720 km (0.043 R)
• M24: 5,094,406 km (0.118 R)
• M25: 5,279,907 km (0.091 R)
• M26: 5,502,060 km (0.091 R)
• M27: 5,727,354 km (0.119 R)
• M28: 5,973,443 km (0.055 R)
• M29: 6,205,020 km (0.097 R)
• M30: 6,548,946 km (0.078 R)
• M31: 6,955,104 km (0.069 R)
• M32: 7,067,303 km (0.06 R)
• M33: 7,331,343 km (0.085 R)
• M34: 7,426,487 km (0.116 R)
• M35: 7,811,103 km (0.115 R)
• M36: 8,064,672 km (0.103 R)
• M37: 8,222,049 km (0.059 R)
• M38: 8,400,369 km (0.09 R)
• M39: 9,024,342 km (0.09 R)
• M40: 9,208,347 km (0.069 R)
• M41: 9,476,277 km (0.068 R)
• M42: 9,600,892 km (0.118 R)
• M43: 9,746,900 km (0.107 R)
• M44: 10,062,252 km (0.107 R)
• M45: 10,295,774 km (0.056 R)
• M46: 10,423,830 km (0.03 R)
• M47: 10,552,484 km (0.119 R)
• M48: 10,941,439 km (0.119 R)
• M49: 11,711,419 km (0.105 R)
• M50: 11,800,579 km (0.103 R)
• M51: 12,024,378 km (0.1 R)
• M52: 12,956,672 km (0.106 R)
• M53: 13,419,827 km (0.107 R)
• M54: 13,747,446 km (0.076 R)
• M55: 14,101,245 km (0.106 R)
• M56: 14,458,036 km (0.115 R)
• M57: 14,721,777 km (0.089 R)
• M58: 15,351,135 km (0.066 R)
• M59: 15,595,578 km (0.102 R)
• M60: 15,693,714 km (0.106 R)
• M61: 15,989,320 km (0.084 R)
• M62: 16,311,703 km (0.112 R)
• M63: 16,711,429 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675

Radius: 13.9

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.58 AU - 5.74 AU

Year: 4392 Days

Day: 9.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 47,971,662 km

• M1: 175,329 km (0.118 R)
• M2: 315,203 km (0.1 R)
• M3: 585,526 km (0.1 R)
• M4: 827,725 km (0.092 R)
• M5: 987,496 km (0.028 R)
• M6: 1,240,914 km (0.079 R)
• M7: 1,412,503 km (0.089 R)
• M8: 1,516,324 km (0.103 R)
• M9: 1,607,579 km (0.08 R)
• M10: 2,109,629 km (0.078 R)
• M11: 2,696,502 km (0.025 R)
• M12: 2,827,400 km (0.103 R)
• M13: 2,960,691 km (0.075 R)
• M14: 3,095,928 km (0.051 R)
• M15: 3,193,915 km (0.102 R)
• M16: 3,312,994 km (0.115 R)
• M17: 3,534,998 km (0.101 R)
• M18: 3,783,031 km (0.069 R)
• M19: 3,951,478 km (0.105 R)
• M20: 4,516,659 km (0.104 R)
• M21: 5,177,283 km (0.071 R)
• M22: 5,578,804 km (0.055 R)
• M23: 5,698,931 km (0.04 R)
• M24: 5,795,571 km (0.066 R)
• M25: 6,088,933 km (0.096 R)
• M26: 6,187,667 km (0.099 R)
• M27: 6,946,428 km (0.104 R)
• M28: 7,179,800 km (0.104 R)
• M29: 7,284,369 km (0.064 R)
• M30: 8,057,940 km (0.048 R)
• M31: 8,606,665 km (0.082 R)
• M32: 8,969,888 km (0.104 R)
• M33: 9,082,685 km (0.117 R)
• M34: 9,195,931 km (0.118 R)
• M35: 9,538,510 km (0.116 R)
• M36: 10,031,136 km (0.057 R)
• M37: 10,354,267 km (0.117 R)
• M38: 11,131,877 km (0.084 R)
• M39: 11,253,201 km (0.082 R)
• M40: 11,589,197 km (0.109 R)
• M41: 11,990,419 km (0.107 R)
• M42: 12,239,649 km (0.09 R)
• M43: 12,933,933 km (0.102 R)
• M44: 14,360,648 km (0.086 R)
• M45: 14,459,681 km (0.076 R)
• M46: 14,824,999 km (0.053 R)
• M47: 14,992,100 km (0.086 R)
• M48: 15,361,906 km (0.095 R)
• M49: 15,564,910 km (0.057 R)
• M50: 15,768,663 km (0.077 R)
• M51: 15,973,462 km (0.051 R)
• M52: 16,282,232 km (0.119 R)
• M53: 16,523,833 km (0.057 R)
• M54: 17,220,510 km (0.101 R)
• M55: 17,325,827 km (0.093 R)
• M56: 18,355,210 km (0.107 R)
• M57: 18,534,727 km (0.064 R)
• M58: 18,750,896 km (0.115 R)
• M59: 19,697,252 km (0.074 R)
• M60: 19,991,661 km (0.098 R)
• M61: 20,324,516 km (0.086 R)
• M62: 20,696,566 km (0.1 R)
• M63: 21,183,507 km (0.119 R)
• M64: 21,371,851 km (0.083 R)
• M65: 22,245,353 km (0.062 R)
• M66: 23,674,910 km (0.099 R)
• M67: 25,213,824 km (0.119 R)
• M68: 25,333,502 km (0.04 R)
• M69: 25,653,641 km (0.089 R)
• M70: 26,379,041 km (0.088 R)
• M71: 26,662,828 km (0.101 R)
• M72: 27,111,024 km (0.106 R)
• M73: 27,274,684 km (0.117 R)
• M74: 27,397,504 km (0.027 R)
• M75: 27,520,623 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.3

Radius: 6.8

Gravity: 15.79 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 12.89 AU - 15.67 AU

Year: 20222 Days

Day: 19.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 47,971,662 km

• M1: 214,075 km (0.072 R)
• M2: 933,042 km (0.113 R)
• M3: 1,177,186 km (0.111 R)
• M4: 1,321,398 km (0.107 R)
• M5: 1,441,076 km (0.081 R)
• M6: 1,533,229 km (0.115 R)
• M7: 2,161,390 km (0.093 R)
• M8: 2,267,305 km (0.088 R)
• M9: 2,338,813 km (0.059 R)
• M10: 4,857,742 km (0.062 R)
• M11: 5,615,605 km (0.052 R)
• M12: 5,909,265 km (0.044 R)
• M13: 6,511,547 km (0.076 R)
• M14: 7,451,171 km (0.058 R)
• M15: 7,828,008 km (0.098 R)
• M16: 8,321,681 km (0.102 R)
• M17: 8,768,829 km (0.095 R)
• M18: 9,512,181 km (0.107 R)
• M19: 10,097,557 km (0.118 R)
• M20: 10,156,798 km (0.113 R)
• M21: 10,755,040 km (0.096 R)
• M22: 11,735,803 km (0.12 R)
• M23: 13,260,056 km (0.112 R)
• M24: 15,250,905 km (0.119 R)
• M25: 16,142,209 km (0.102 R)
• M26: 16,839,335 km (0.119 R)
• M27: 17,831,767 km (0.105 R)
• M28: 18,046,889 km (0.086 R)
• M29: 18,262,908 km (0.118 R)
• M30: 18,335,014 km (0.063 R)
• M31: 19,502,775 km (0.104 R)
• M32: 19,946,931 km (0.086 R)
• M33: 21,756,467 km (0.119 R)
• M34: 23,382,446 km (0.108 R)
• M35: 25,853,205 km (0.111 R)
• M36: 25,934,287 km (0.073 R)
• M37: 27,408,125 km (0.063 R)
• M38: 27,573,580 km (0.051 R)
• M39: 28,489,418 km (0.048 R)
• M40: 28,824,817 km (0.055 R)
• M41: 31,123,388 km (0.093 R)
• M42: 31,989,560 km (0.11 R)
• M43: 32,513,152 km (0.081 R)
• M44: 33,568,565 km (0.086 R)
• M45: 34,903,726 km (0.085 R)
• M46: 35,082,945 km (0.117 R)
• M47: 36,437,703 km (0.117 R)
• M48: 36,619,614 km (0.057 R)
• M49: 40,039,122 km (0.101 R)
• M50: 41,075,237 km (0.083 R)
• M51: 42,693,736 km (0.099 R)
• M52: 42,789,629 km (0.093 R)
• M53: 42,885,521 km (0.057 R)
• M54: 44,333,179 km (0.105 R)
• M55: 45,111,687 km (0.057 R)
• M56: 45,600,573 km (0.086 R)
• M57: 45,894,682 km (0.097 R)
• M58: 46,189,539 km (0.068 R)
• M59: 46,484,995 km (0.044 R)
• M60: 46,781,049 km (0.069 R)
• M61: 47,176,736 km (0.092 R)
• M62: 48,270,745 km (0.106 R)
• M63: 48,670,620 km (0.048 R)
• M64: 49,876,828 km (0.066 R)
• M65: 49,977,806 km (0.101 R)
• M66: 54,279,343 km (0.096 R)
• M67: 55,007,735 km (0.085 R)
• M68: 55,320,844 km (0.117 R)
• M69: 55,529,982 km (0.115 R)
• M70: 56,263,909 km (0.097 R)
• M71: 56,684,728 km (0.055 R)
• M72: 57,212,210 km (0.076 R)
• M73: 58,484,839 km (0.105 R)
• M74: 58,697,866 km (0.063 R)
• M75: 59,766,743 km (0.07 R)
• M76: 60,734,192 km (0.08 R)
• M77: 60,842,052 km (0.092 R)
• M78: 61,273,941 km (0.106 R)
• M79: 62,032,253 km (0.082 R)
• M80: 62,902,763 km (0.114 R)
• M81: 63,121,026 km (0.08 R)
• M82: 65,427,826 km (0.114 R)
• M83: 65,648,931 km (0.103 R)
• M84: 66,202,743 km (0.03 R)
• M85: 67,426,902 km (0.098 R)
• M86: 71,826,426 km (0.064 R)
• M87: 72,854,911 km (0.08 R)
• M88: 73,313,578 km (0.106 R)
• M89: 73,658,102 km (0.097 R)
• M90: 74,464,285 km (0.029 R)
• M91: 74,579,774 km (0.105 R)
• M92: 74,695,114 km (0.115 R)
• M93: 74,810,754 km (0.093 R)
• M94: 75,273,460 km (0.114 R)
• M95: 78,069,444 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.4

Radius: 7.4

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 11.48 AU - 17.4 AU

Year: 20563 Days

Day: 21.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 47,971,662 km

• M1: 108,907 km (0.099 R)
• M2: 533,915 km (0.108 R)
• M3: 849,118 km (0.099 R)
• M4: 1,017,116 km (0.073 R)
• M5: 2,057,569 km (0.114 R)
• M6: 2,132,368 km (0.108 R)
• M7: 2,362,150 km (0.106 R)
• M8: 2,440,689 km (0.106 R)
• M9: 2,790,599 km (0.083 R)
• M10: 3,477,702 km (0.041 R)
• M11: 3,932,778 km (0.032 R)
• M12: 4,732,678 km (0.102 R)
• M13: 4,832,011 km (0.113 R)
• M14: 5,511,784 km (0.066 R)
• M15: 5,721,520 km (0.076 R)
• M16: 5,969,553 km (0.105 R)
• M17: 6,148,921 km (0.053 R)
• M18: 6,257,380 km (0.084 R)
• M19: 6,623,595 km (0.113 R)
• M20: 7,569,353 km (0.087 R)
• M21: 7,920,160 km (0.061 R)
• M22: 8,276,203 km (0.089 R)
• M23: 8,597,240 km (0.057 R)
• M24: 8,840,486 km (0.039 R)
• M25: 9,045,136 km (0.115 R)
• M26: 9,794,472 km (0.11 R)
• M27: 9,921,331 km (0.105 R)
• M28: 10,305,049 km (0.115 R)
• M29: 10,390,919 km (0.105 R)
• M30: 10,563,554 km (0.105 R)
• M31: 10,693,705 km (0.111 R)
• M32: 10,867,986 km (0.085 R)
• M33: 11,043,165 km (0.114 R)
• M34: 11,440,796 km (0.109 R)
• M35: 12,113,987 km (0.065 R)
• M36: 12,846,119 km (0.068 R)
• M37: 13,357,893 km (0.101 R)
• M38: 13,404,717 km (0.106 R)
• M39: 13,923,672 km (0.106 R)
• M40: 14,305,147 km (0.104 R)
• M41: 14,449,210 km (0.049 R)
• M42: 14,981,180 km (0.082 R)
• M43: 15,915,119 km (0.117 R)
• M44: 16,164,050 km (0.107 R)
• M45: 17,428,002 km (0.076 R)
• M46: 17,530,477 km (0.085 R)
• M47: 17,633,101 km (0.098 R)
• M48: 18,409,514 km (0.09 R)
• M49: 18,828,238 km (0.111 R)
• M50: 18,986,064 km (0.073 R)
• M51: 20,426,093 km (0.116 R)
• M52: 21,131,896 km (0.085 R)
• M53: 21,460,263 km (0.108 R)
• M54: 21,515,315 km (0.054 R)
• M55: 22,288,886 km (0.028 R)
• M56: 22,679,037 km (0.079 R)
• M57: 23,240,478 km (0.116 R)
• M58: 23,353,275 km (0.082 R)
• M59: 23,920,101 km (0.093 R)
• M60: 24,319,677 km (0.108 R)
• M61: 24,376,973 km (0.109 R)
• M62: 24,778,943 km (0.076 R)
• M63: 24,836,538 km (0.053 R)
• M64: 25,589,613 km (0.092 R)
• M65: 26,115,300 km (0.09 R)
• M66: 26,467,753 km (0.113 R)
• M67: 27,118,055 km (0.086 R)
• M68: 27,893,271 km (0.066 R)
• M69: 28,434,217 km (0.093 R)
• M70: 29,587,766 km (0.106 R)
• M71: 29,955,178 km (0.068 R)
• M72: 30,139,483 km (0.105 R)
• M73: 30,632,707 km (0.032 R)
• M74: 32,380,010 km (0.087 R)
• M75: 34,931,701 km (0.072 R)
• M76: 34,996,327 km (0.105 R)
• M77: 35,255,132 km (0.085 R)
• M78: 35,579,610 km (0.11 R)
• M79: 35,644,685 km (0.074 R)
• M80: 36,493,503 km (0.097 R)
• M81: 37,150,836 km (0.062 R)
• M82: 37,547,270 km (0.089 R)
• M83: 37,945,051 km (0.1 R)
• M84: 38,277,458 km (0.088 R)
• M85: 38,544,191 km (0.118 R)
• M86: 39,482,618 km (0.066 R)
• M87: 39,752,044 km (0.063 R)
• M88: 42,204,850 km (0.064 R)
• M89: 43,936,895 km (0.034 R)
• M90: 44,566,103 km (0.079 R)
• M91: 45,550,607 km (0.116 R)
• M92: 45,621,217 km (0.089 R)
• M93: 46,258,354 km (0.101 R)
• M94: 47,112,409 km (0.061 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: 383 - 19,071 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit