🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.45 AU - 0.57 AU

Year: 232 Days

Day: 28.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.46 AU - 0.62 AU

Year: 252 Days

Day: 22.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.9

Radius: 11.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.85 AU - 1.37 AU

Year: 744 Days

Day: 9.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 36,479,677 km

• M1: 146,307 km (0.099 R)
• M2: 241,750 km (0.094 R)
• M3: 315,053 km (0.11 R)
• M4: 387,010 km (0.06 R)
• M5: 529,277 km (0.071 R)
• M6: 647,160 km (0.12 R)
• M7: 737,667 km (0.091 R)
• M8: 892,351 km (0.077 R)
• M9: 989,740 km (0.048 R)
• M10: 1,156,840 km (0.113 R)
• M11: 1,275,621 km (0.104 R)
• M12: 1,368,970 km (0.062 R)
• M13: 1,464,713 km (0.114 R)
• M14: 1,569,132 km (0.115 R)
• M15: 1,663,379 km (0.044 R)
• M16: 1,759,720 km (0.12 R)
• M17: 2,025,854 km (0.084 R)
• M18: 2,115,314 km (0.111 R)
• M19: 2,198,939 km (0.1 R)
• M20: 2,283,911 km (0.085 R)
• M21: 2,552,588 km (0.065 R)
• M22: 2,627,088 km (0.041 R)
• M23: 2,702,336 km (0.109 R)
• M24: 2,816,479 km (0.092 R)
• M25: 3,041,923 km (0.082 R)
• M26: 3,224,881 km (0.111 R)
• M27: 3,354,433 km (0.05 R)
• M28: 3,460,947 km (0.112 R)
• M29: 3,585,412 km (0.05 R)
• M30: 3,702,846 km (0.119 R)
• M31: 3,924,401 km (0.081 R)
• M32: 4,089,108 km (0.093 R)
• M33: 4,256,059 km (0.072 R)
• M34: 4,416,428 km (0.108 R)
• M35: 4,688,248 km (0.109 R)
• M36: 4,844,727 km (0.063 R)
• M37: 4,974,877 km (0.108 R)
• M38: 5,096,799 km (0.086 R)
• M39: 5,334,062 km (0.109 R)
• M40: 5,458,976 km (0.073 R)
• M41: 5,692,049 km (0.088 R)
• M42: 5,918,541 km (0.062 R)
• M43: 6,007,850 km (0.109 R)
• M44: 6,127,828 km (0.1 R)
• M45: 6,218,335 km (0.094 R)
• M46: 6,390,522 km (0.116 R)
• M47: 6,687,922 km (0.107 R)
• M48: 7,211,365 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.7

Radius: 14.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.18 AU - 1.38 AU

Year: 921 Days

Day: 12.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 36,479,677 km

• M1: 187,147 km (0.077 R)
• M2: 296,802 km (0.108 R)
• M3: 394,190 km (0.119 R)
• M4: 528,380 km (0.117 R)
• M5: 666,459 km (0.088 R)
• M6: 765,044 km (0.078 R)
• M7: 888,611 km (0.101 R)
• M8: 1,054,964 km (0.066 R)
• M9: 1,211,144 km (0.077 R)
• M10: 1,466,807 km (0.103 R)
• M11: 1,667,567 km (0.111 R)
• M12: 1,815,071 km (0.063 R)
• M13: 2,150,170 km (0.12 R)
• M14: 2,380,252 km (0.109 R)
• M15: 2,575,926 km (0.103 R)
• M16: 2,733,602 km (0.119 R)
• M17: 2,835,777 km (0.04 R)
• M18: 3,013,799 km (0.08 R)
• M19: 3,119,415 km (0.117 R)
• M20: 3,249,415 km (0.041 R)
• M21: 3,428,334 km (0.101 R)
• M22: 3,530,809 km (0.114 R)
• M23: 3,723,042 km (0.097 R)
• M24: 3,885,805 km (0.074 R)
• M25: 4,034,355 km (0.112 R)
• M26: 4,176,473 km (0.081 R)
• M27: 4,354,495 km (0.094 R)
• M28: 4,465,945 km (0.082 R)
• M29: 4,569,617 km (0.107 R)
• M30: 4,805,981 km (0.09 R)
• M31: 4,912,345 km (0.086 R)
• M32: 5,010,631 km (0.102 R)
• M33: 5,291,127 km (0.108 R)
• M34: 5,447,008 km (0.07 R)
• M35: 5,548,884 km (0.119 R)
• M36: 5,698,033 km (0.025 R)
• M37: 5,791,981 km (0.107 R)
• M38: 5,971,947 km (0.112 R)
• M39: 6,405,482 km (0.06 R)
• M40: 6,513,042 km (0.11 R)
• M41: 6,611,328 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.5

Radius: 10

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.14 AU - 1.6 AU

Year: 1020 Days

Day: 12.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,479,677 km

• M1: 154,535 km (0.075 R)
• M2: 335,847 km (0.092 R)
• M3: 410,347 km (0.102 R)
• M4: 536,907 km (0.111 R)
• M5: 634,445 km (0.114 R)
• M6: 818,600 km (0.096 R)
• M7: 1,102,985 km (0.065 R)
• M8: 1,176,138 km (0.112 R)
• M9: 1,255,126 km (0.118 R)
• M10: 1,401,732 km (0.061 R)
• M11: 1,536,969 km (0.036 R)
• M12: 1,739,225 km (0.1 R)
• M13: 1,889,870 km (0.117 R)
• M14: 1,978,581 km (0.108 R)
• M15: 2,204,025 km (0.088 R)
• M16: 2,377,559 km (0.053 R)
• M17: 2,519,527 km (0.113 R)
• M18: 2,596,869 km (0.057 R)
• M19: 2,908,631 km (0.078 R)
• M20: 3,110,439 km (0.118 R)
• M21: 3,527,817 km (0.102 R)
• M22: 3,602,915 km (0.11 R)
• M23: 3,754,907 km (0.05 R)
• M24: 3,897,174 km (0.093 R)
• M25: 4,101,674 km (0.105 R)

Asteroid Belt

Center: 1.86 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.6

Radius: 9.5

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.77 AU - 2.93 AU

Year: 2291 Days

Day: 12.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 36,479,677 km

• M1: 118,631 km (0.05 R)
• M2: 211,083 km (0.093 R)
• M3: 308,471 km (0.097 R)
• M4: 368,310 km (0.027 R)
• M5: 446,998 km (0.028 R)
• M6: 539,899 km (0.074 R)
• M7: 608,564 km (0.062 R)
• M8: 713,731 km (0.069 R)
• M9: 834,457 km (0.079 R)
• M10: 934,239 km (0.09 R)
• M11: 1,077,254 km (0.093 R)
• M12: 1,217,577 km (0.099 R)
• M13: 1,311,076 km (0.07 R)
• M14: 1,396,197 km (0.057 R)
• M15: 1,483,263 km (0.068 R)
• M16: 1,549,834 km (0.108 R)
• M17: 2,094,071 km (0.113 R)
• M18: 2,207,317 km (0.053 R)
• M19: 2,348,387 km (0.105 R)
• M20: 2,466,121 km (0.088 R)
• M21: 2,626,191 km (0.027 R)
• M22: 2,748,412 km (0.088 R)
• M23: 2,831,140 km (0.093 R)
• M24: 2,984,777 km (0.064 R)
• M25: 3,227,724 km (0.08 R)
• M26: 4,136,232 km (0.053 R)
• M27: 4,766,936 km (0.086 R)
• M28: 5,000,758 km (0.085 R)
• M29: 5,566,686 km (0.056 R)
• M30: 5,759,967 km (0.067 R)
• M31: 5,848,529 km (0.043 R)
• M32: 6,009,047 km (0.103 R)
• M33: 6,153,110 km (0.05 R)
• M34: 6,316,471 km (0.076 R)
• M35: 6,647,381 km (0.028 R)
• M36: 6,815,081 km (0.119 R)
• M37: 7,192,666 km (0.069 R)
• M38: 7,674,371 km (0.061 R)
• M39: 7,928,837 km (0.115 R)
• M40: 8,466,491 km (0.1 R)
• M41: 8,567,320 km (0.089 R)
• M42: 8,770,325 km (0.098 R)
• M43: 9,180,971 km (0.046 R)
• M44: 9,263,848 km (0.05 R)
• M45: 9,347,025 km (0.078 R)
• M46: 9,535,069 km (0.098 R)
• M47: 9,957,234 km (0.104 R)
• M48: 10,042,505 km (0.091 R)
• M49: 10,299,514 km (0.03 R)
• M50: 10,776,283 km (0.098 R)
• M51: 11,326,952 km (0.118 R)
• M52: 11,482,833 km (0.119 R)
• M53: 11,549,853 km (0.042 R)
• M54: 11,954,515 km (0.041 R)
• M55: 12,113,239 km (0.09 R)
• M56: 12,524,483 km (0.066 R)
• M57: 12,662,562 km (0.094 R)
• M58: 12,778,052 km (0.048 R)
• M59: 13,149,952 km (0.072 R)
• M60: 13,738,171 km (0.12 R)
• M61: 13,999,668 km (0.105 R)
• M62: 14,166,918 km (0.081 R)
• M63: 14,576,069 km (0.081 R)
• M64: 14,672,858 km (0.106 R)
• M65: 14,794,182 km (0.077 R)
• M66: 14,867,186 km (0.066 R)
• M67: 15,086,796 km (0.104 R)
• M68: 15,209,167 km (0.065 R)
• M69: 15,331,987 km (0.073 R)
• M70: 15,430,422 km (0.101 R)
• M71: 16,301,082 km (0.084 R)
• M72: 16,376,479 km (0.119 R)
• M73: 16,907,252 km (0.057 R)
• M74: 17,034,410 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.6

Radius: 9.3

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.56 AU - 3.64 AU

Year: 3470 Days

Day: 8.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 36,479,677 km

• M1: 135,536 km (0.073 R)
• M2: 289,771 km (0.042 R)
• M3: 366,216 km (0.107 R)
• M4: 457,769 km (0.061 R)
• M5: 644,767 km (0.055 R)
• M6: 791,822 km (0.094 R)
• M7: 959,072 km (0.057 R)
• M8: 1,047,185 km (0.105 R)
• M9: 1,110,615 km (0.076 R)
• M10: 1,612,366 km (0.114 R)
• M11: 1,794,127 km (0.092 R)
• M12: 1,871,021 km (0.067 R)
• M13: 1,949,111 km (0.11 R)
• M14: 2,178,145 km (0.09 R)
• M15: 2,476,742 km (0.032 R)
• M16: 2,637,261 km (0.04 R)
• M17: 2,737,791 km (0.063 R)
• M18: 3,327,057 km (0.066 R)
• M19: 3,408,587 km (0.094 R)
• M20: 3,476,954 km (0.094 R)
• M21: 3,755,505 km (0.064 R)
• M22: 3,840,477 km (0.102 R)
• M23: 3,997,853 km (0.114 R)
• M24: 4,438,270 km (0.11 R)
• M25: 4,498,109 km (0.11 R)
• M26: 4,694,680 km (0.033 R)
• M27: 4,909,503 km (0.085 R)
• M28: 5,333,164 km (0.097 R)
• M29: 5,428,907 km (0.086 R)
• M30: 5,541,255 km (0.103 R)
• M31: 5,686,963 km (0.11 R)
• M32: 5,965,664 km (0.081 R)
• M33: 6,215,193 km (0.072 R)
• M34: 6,383,640 km (0.114 R)
• M35: 6,880,305 km (0.081 R)
• M36: 7,159,754 km (0.103 R)
• M37: 7,283,172 km (0.081 R)
• M38: 7,639,664 km (0.114 R)
• M39: 8,277,400 km (0.077 R)
• M40: 8,537,251 km (0.087 R)
• M41: 8,818,645 km (0.1 R)
• M42: 8,932,190 km (0.067 R)
• M43: 9,160,476 km (0.086 R)
• M44: 9,622,883 km (0.074 R)
• M45: 9,681,226 km (0.103 R)
• M46: 9,778,764 km (0.107 R)
• M47: 9,974,737 km (0.116 R)
• M48: 10,231,597 km (0.082 R)
• M49: 10,311,033 km (0.088 R)
• M50: 10,530,493 km (0.085 R)
• M51: 10,751,599 km (0.111 R)
• M52: 11,362,407 km (0.087 R)
• M53: 11,444,686 km (0.054 R)
• M54: 12,026,322 km (0.106 R)
• M55: 12,215,265 km (0.118 R)
• M56: 12,299,638 km (0.08 R)
• M57: 12,575,047 km (0.116 R)
• M58: 13,239,860 km (0.119 R)
• M59: 13,478,619 km (0.075 R)
• M60: 13,609,367 km (0.025 R)
• M61: 13,916,192 km (0.12 R)
• M62: 14,514,434 km (0.097 R)
• M63: 14,603,744 km (0.05 R)
• M64: 14,670,914 km (0.078 R)
• M65: 14,738,083 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586

Radius: 7.4

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.37 AU - 9.81 AU

Year: 14630 Days

Day: 15.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 36,479,677 km

• M1: 141,968 km (0.099 R)
• M2: 188,942 km (0.099 R)
• M3: 786,286 km (0.114 R)
• M4: 931,097 km (0.076 R)
• M5: 1,062,294 km (0.117 R)
• M6: 1,153,250 km (0.109 R)
• M7: 1,294,620 km (0.099 R)
• M8: 1,492,089 km (0.066 R)
• M9: 1,699,282 km (0.096 R)
• M10: 1,888,224 km (0.113 R)
• M11: 1,999,376 km (0.11 R)
• M12: 2,084,048 km (0.102 R)
• M13: 2,199,089 km (0.109 R)
• M14: 2,465,373 km (0.103 R)
• M15: 2,525,960 km (0.092 R)
• M16: 2,741,979 km (0.065 R)
• M17: 3,028,609 km (0.077 R)
• M18: 3,324,813 km (0.066 R)
• M19: 4,268,626 km (0.079 R)
• M20: 4,750,929 km (0.109 R)
• M21: 5,095,004 km (0.115 R)
• M22: 5,289,631 km (0.109 R)
• M23: 5,368,170 km (0.055 R)
• M24: 5,447,158 km (0.087 R)
• M25: 5,766,848 km (0.103 R)
• M26: 6,340,855 km (0.114 R)
• M27: 6,550,292 km (0.087 R)
• M28: 7,062,216 km (0.069 R)
• M29: 7,542,874 km (0.086 R)
• M30: 7,631,436 km (0.074 R)
• M31: 7,720,297 km (0.109 R)
• M32: 7,899,067 km (0.07 R)
• M33: 9,047,230 km (0.045 R)
• M34: 9,141,327 km (0.095 R)
• M35: 9,282,997 km (0.043 R)
• M36: 9,568,729 km (0.076 R)
• M37: 10,492,495 km (0.065 R)
• M38: 11,444,536 km (0.082 R)
• M39: 11,802,225 km (0.12 R)
• M40: 11,853,537 km (0.091 R)
• M41: 12,008,221 km (0.111 R)
• M42: 12,111,743 km (0.084 R)
• M43: 14,078,805 km (0.109 R)
• M44: 14,407,023 km (0.092 R)
• M45: 14,737,784 km (0.12 R)
• M46: 14,848,486 km (0.115 R)
• M47: 15,463,034 km (0.067 R)
• M48: 15,519,283 km (0.077 R)
• M49: 17,531,225 km (0.118 R)
• M50: 19,562,914 km (0.047 R)
• M51: 19,990,464 km (0.111 R)
• M52: 20,051,799 km (0.064 R)
• M53: 20,297,589 km (0.055 R)
• M54: 20,916,774 km (0.1 R)
• M55: 22,110,116 km (0.082 R)
• M56: 22,427,862 km (0.069 R)
• M57: 22,875,310 km (0.102 R)
• M58: 23,067,842 km (0.096 R)
• M59: 23,325,599 km (0.088 R)
• M60: 24,039,031 km (0.118 R)
• M61: 25,421,017 km (0.054 R)
• M62: 26,963,969 km (0.068 R)
• M63: 27,167,572 km (0.117 R)
• M64: 28,399,061 km (0.086 R)
• M65: 31,058,463 km (0.102 R)
• M66: 32,058,076 km (0.091 R)
• M67: 32,129,883 km (0.1 R)
• M68: 33,286,125 km (0.1 R)
• M69: 34,971,793 km (0.112 R)
• M70: 36,011,499 km (0.107 R)
• M71: 36,985,979 km (0.11 R)
• M72: 37,665,752 km (0.109 R)
• M73: 40,270,550 km (0.106 R)
• M74: 42,380,179 km (0.072 R)
• M75: 44,685,782 km (0.111 R)
• M76: 45,167,786 km (0.071 R)
• M77: 49,168,931 km (0.103 R)
• M78: 49,500,589 km (0.117 R)
• M79: 50,166,000 km (0.042 R)
• M80: 51,505,649 km (0.077 R)
• M81: 51,926,767 km (0.105 R)
• M82: 52,095,514 km (0.095 R)
• M83: 52,348,932 km (0.09 R)
• M84: 53,452,067 km (0.104 R)
• M85: 54,648,551 km (0.098 R)
• M86: 55,594,907 km (0.066 R)
• M87: 56,894,015 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.8

Radius: 6.9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.26 AU - 12.1 AU

Year: 20652 Days

Day: 21.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 36,479,677 km

• M1: 212,728 km (0.057 R)
• M2: 1,003,652 km (0.063 R)
• M3: 1,359,545 km (0.077 R)
• M4: 1,413,550 km (0.101 R)
• M5: 1,911,113 km (0.064 R)
• M6: 2,750,058 km (0.119 R)
• M7: 4,445,301 km (0.112 R)
• M8: 5,191,794 km (0.056 R)
• M9: 5,535,869 km (0.045 R)
• M10: 5,976,435 km (0.042 R)
• M11: 6,216,091 km (0.065 R)
• M12: 6,489,406 km (0.101 R)
• M13: 6,735,644 km (0.107 R)
• M14: 6,859,960 km (0.063 R)
• M15: 7,396,717 km (0.109 R)
• M16: 7,589,399 km (0.1 R)
• M17: 8,409,943 km (0.076 R)
• M18: 8,611,003 km (0.068 R)
• M19: 8,813,708 km (0.105 R)
• M20: 8,983,801 km (0.067 R)
• M21: 9,120,683 km (0.039 R)
• M22: 9,956,486 km (0.066 R)
• M23: 10,925,880 km (0.088 R)
• M24: 12,492,619 km (0.063 R)
• M25: 13,654,097 km (0.089 R)
• M26: 14,567,691 km (0.093 R)
• M27: 15,747,569 km (0.118 R)
• M28: 15,829,998 km (0.119 R)
• M29: 17,000,152 km (0.081 R)
• M30: 17,424,711 km (0.081 R)
• M31: 18,284,450 km (0.097 R)
• M32: 18,894,361 km (0.086 R)
• M33: 19,113,970 km (0.08 R)
• M34: 19,422,591 km (0.108 R)
• M35: 19,466,872 km (0.112 R)
• M36: 19,555,434 km (0.109 R)
• M37: 19,777,437 km (0.079 R)
• M38: 21,491,679 km (0.056 R)
• M39: 21,629,159 km (0.094 R)
• M40: 22,413,052 km (0.083 R)
• M41: 23,488,362 km (0.073 R)
• M42: 23,629,881 km (0.076 R)
• M43: 25,108,507 km (0.096 R)
• M44: 26,224,806 km (0.093 R)
• M45: 26,961,575 km (0.116 R)
• M46: 27,655,410 km (0.096 R)
• M47: 27,705,077 km (0.102 R)
• M48: 28,555,990 km (0.049 R)
• M49: 29,873,797 km (0.099 R)
• M50: 31,366,784 km (0.054 R)
• M51: 32,463,187 km (0.067 R)
• M52: 34,104,275 km (0.104 R)
• M53: 34,211,088 km (0.034 R)
• M54: 34,425,013 km (0.105 R)
• M55: 34,746,798 km (0.069 R)
• M56: 35,123,486 km (0.038 R)
• M57: 35,501,519 km (0.102 R)
• M58: 35,935,204 km (0.045 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 14,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit