🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.66 AU - 0.86 AU

Year: 231 Days

Day: 20.7 Hours

Environment

Temp: 185 °C

Axial Tilt: 2.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,466,200 km

• M1: 192,532 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.9 AU - 1.4 AU

Year: 429 Days

Day: 39.2 Hours

Environment

Temp: 24 °C

Axial Tilt: 11.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.43 AU - 2.27 AU

Year: 876 Days

Day: 44 Hours

Environment

Temp: -38 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.36 AU - 2.66 AU

Year: 1385 Days

Day: 34.4 Hours

Environment

Temp: -75 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.33 AU - 2.73 AU

Year: 1401 Days

Day: 42.1 Hours

Environment

Temp: -66 °C

Axial Tilt: 76.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,466,200 km

• M1: 386,262 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.1

Radius: 10.6

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.88 AU - 7.64 AU

Year: 5455 Days

Day: 10.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 45,466,200 km

• M1: 135,087 km (0.099 R)
• M2: 211,083 km (0.075 R)
• M3: 299,345 km (0.091 R)
• M4: 439,519 km (0.108 R)
• M5: 555,606 km (0.118 R)
• M6: 822,339 km (0.077 R)
• M7: 986,448 km (0.108 R)
• M8: 1,178,382 km (0.053 R)
• M9: 2,105,291 km (0.098 R)
• M10: 2,270,746 km (0.074 R)
• M11: 3,328,553 km (0.044 R)
• M12: 3,449,278 km (0.072 R)
• M13: 3,794,849 km (0.032 R)
• M14: 4,203,401 km (0.063 R)
• M15: 4,334,150 km (0.088 R)
• M16: 4,466,095 km (0.056 R)
• M17: 5,829,380 km (0.047 R)
• M18: 5,946,067 km (0.088 R)
• M19: 6,152,063 km (0.109 R)
• M20: 6,601,604 km (0.112 R)
• M21: 6,815,081 km (0.112 R)
• M22: 7,469,122 km (0.09 R)
• M23: 7,723,588 km (0.036 R)
• M24: 7,884,107 km (0.083 R)
• M25: 8,045,673 km (0.1 R)
• M26: 8,405,156 km (0.09 R)
• M27: 9,377,842 km (0.118 R)
• M28: 9,652,503 km (0.06 R)
• M29: 10,034,427 km (0.092 R)
• M30: 10,315,372 km (0.097 R)
• M31: 10,385,982 km (0.111 R)
• M32: 10,563,255 km (0.047 R)
• M33: 10,670,068 km (0.06 R)
• M34: 10,777,330 km (0.118 R)
• M35: 11,137,412 km (0.117 R)
• M36: 11,246,170 km (0.089 R)
• M37: 11,574,686 km (0.094 R)
• M38: 12,315,944 km (0.118 R)
• M39: 12,503,689 km (0.091 R)
• M40: 12,692,332 km (0.114 R)
• M41: 13,264,095 km (0.074 R)
• M42: 13,379,435 km (0.025 R)
• M43: 14,000,416 km (0.07 R)
• M44: 15,391,377 km (0.079 R)
• M45: 15,919,158 km (0.087 R)
• M46: 16,288,067 km (0.062 R)
• M47: 16,867,459 km (0.084 R)
• M48: 17,706,853 km (0.112 R)
• M49: 17,918,983 km (0.048 R)
• M50: 18,646,028 km (0.108 R)
• M51: 18,818,515 km (0.111 R)
• M52: 18,991,599 km (0.119 R)
• M53: 19,121,600 km (0.091 R)
• M54: 20,572,400 km (0.064 R)
• M55: 20,974,220 km (0.078 R)
• M56: 21,967,400 km (0.04 R)
• M57: 22,607,380 km (0.109 R)
• M58: 22,837,312 km (0.106 R)
• M59: 23,718,593 km (0.084 R)
• M60: 24,469,425 km (0.071 R)
• M61: 26,042,297 km (0.1 R)
• M62: 26,573,818 km (0.107 R)
• M63: 26,719,526 km (0.066 R)
• M64: 27,011,541 km (0.07 R)
• M65: 27,255,685 km (0.103 R)
• M66: 27,943,087 km (0.054 R)
• M67: 28,437,658 km (0.067 R)
• M68: 29,235,014 km (0.118 R)
• M69: 29,485,591 km (0.113 R)
• M70: 30,090,116 km (0.118 R)
• M71: 31,209,108 km (0.092 R)
• M72: 31,619,305 km (0.037 R)
• M73: 31,722,228 km (0.086 R)
• M74: 32,083,059 km (0.112 R)
• M75: 32,393,474 km (0.061 R)
• M76: 32,548,906 km (0.047 R)
• M77: 32,756,847 km (0.062 R)
• M78: 33,330,555 km (0.109 R)
• M79: 33,802,387 km (0.094 R)
• M80: 35,178,089 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.5

Radius: 9.9

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.42 AU - 7.76 AU

Year: 5891 Days

Day: 6.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 45,466,200 km

• M1: 151,543 km (0.057 R)
• M2: 246,836 km (0.09 R)
• M3: 340,934 km (0.087 R)
• M4: 451,187 km (0.098 R)
• M5: 624,122 km (0.034 R)
• M6: 686,953 km (0.116 R)
• M7: 847,622 km (0.091 R)
• M8: 1,036,115 km (0.051 R)
• M9: 1,238,521 km (0.086 R)
• M10: 1,319,902 km (0.111 R)
• M11: 1,488,349 km (0.094 R)
• M12: 1,646,175 km (0.028 R)
• M13: 1,754,484 km (0.107 R)
• M14: 2,291,540 km (0.092 R)
• M15: 2,433,658 km (0.093 R)
• M16: 2,662,842 km (0.103 R)
• M17: 2,747,963 km (0.09 R)
• M18: 3,277,989 km (0.104 R)
• M19: 3,415,469 km (0.078 R)
• M20: 3,743,687 km (0.061 R)
• M21: 3,984,539 km (0.113 R)
• M22: 4,634,243 km (0.095 R)
• M23: 5,424,718 km (0.038 R)
• M24: 5,533,176 km (0.116 R)
• M25: 5,780,163 km (0.108 R)
• M26: 6,143,237 km (0.071 R)
• M27: 6,256,482 km (0.119 R)
• M28: 6,542,663 km (0.088 R)
• M29: 6,979,937 km (0.1 R)
• M30: 7,276,740 km (0.047 R)
• M31: 8,129,747 km (0.069 R)
• M32: 8,191,830 km (0.072 R)
• M33: 8,726,493 km (0.114 R)
• M34: 9,730,444 km (0.039 R)
• M35: 9,995,382 km (0.092 R)
• M36: 10,702,531 km (0.076 R)
• M37: 10,804,856 km (0.098 R)
• M38: 11,079,218 km (0.09 R)
• M39: 11,600,118 km (0.063 R)
• M40: 11,740,291 km (0.098 R)
• M41: 12,449,984 km (0.084 R)
• M42: 13,320,045 km (0.093 R)
• M43: 14,022,556 km (0.082 R)
• M44: 14,284,502 km (0.053 R)
• M45: 14,927,175 km (0.106 R)
• M46: 15,386,590 km (0.081 R)
• M47: 15,928,583 km (0.059 R)
• M48: 16,673,879 km (0.027 R)
• M49: 16,871,947 km (0.102 R)
• M50: 17,030,970 km (0.114 R)
• M51: 17,350,511 km (0.079 R)
• M52: 19,018,976 km (0.073 R)
• M53: 19,267,458 km (0.115 R)
• M54: 19,809,451 km (0.053 R)
• M55: 20,061,224 km (0.058 R)
• M56: 20,229,671 km (0.075 R)
• M57: 20,823,126 km (0.115 R)
• M58: 21,036,453 km (0.102 R)
• M59: 21,379,331 km (0.063 R)
• M60: 21,897,089 km (0.115 R)
• M61: 22,244,455 km (0.111 R)
• M62: 22,375,204 km (0.092 R)
• M63: 23,209,362 km (0.091 R)
• M64: 23,785,912 km (0.117 R)
• M65: 25,361,626 km (0.09 R)
• M66: 25,452,731 km (0.093 R)
• M67: 25,589,613 km (0.042 R)
• M68: 25,818,049 km (0.117 R)
• M69: 26,047,233 km (0.059 R)
• M70: 26,369,317 km (0.109 R)
• M71: 26,507,696 km (0.12 R)
• M72: 27,250,150 km (0.108 R)
• M73: 27,952,213 km (0.077 R)
• M74: 28,423,595 km (0.079 R)
• M75: 28,565,564 km (0.11 R)
• M76: 29,135,681 km (0.118 R)
• M77: 31,014,331 km (0.027 R)
• M78: 31,111,720 km (0.094 R)
• M79: 31,992,851 km (0.077 R)
• M80: 32,189,871 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.9

Radius: 9.8

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.17 AU - 8.07 AU

Year: 5932 Days

Day: 8.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 45,466,200 km

• M1: 140,323 km (0.058 R)
• M2: 223,948 km (0.103 R)
• M3: 393,442 km (0.094 R)
• M4: 530,324 km (0.073 R)
• M5: 673,789 km (0.068 R)
• M6: 1,013,226 km (0.066 R)
• M7: 1,116,000 km (0.04 R)
• M8: 1,249,591 km (0.11 R)
• M9: 1,402,929 km (0.09 R)
• M10: 1,489,396 km (0.105 R)
• M11: 2,077,914 km (0.118 R)
• M12: 2,277,777 km (0.114 R)
• M13: 2,484,073 km (0.072 R)
• M14: 2,589,689 km (0.07 R)
• M15: 2,678,699 km (0.107 R)
• M16: 2,860,012 km (0.093 R)
• M17: 3,082,913 km (0.107 R)
• M18: 3,805,919 km (0.067 R)
• M19: 3,907,646 km (0.045 R)
• M20: 4,260,099 km (0.084 R)
• M21: 4,408,350 km (0.054 R)
• M22: 4,558,247 km (0.116 R)
• M23: 5,174,590 km (0.087 R)
• M24: 5,242,209 km (0.112 R)
• M25: 5,355,604 km (0.097 R)
• M26: 6,436,598 km (0.102 R)
• M27: 6,631,374 km (0.109 R)
• M28: 6,754,045 km (0.079 R)
• M29: 6,828,096 km (0.057 R)
• M30: 6,952,112 km (0.107 R)
• M31: 7,151,975 km (0.057 R)
• M32: 7,252,654 km (0.062 R)
• M33: 7,455,359 km (0.113 R)
• M34: 7,918,514 km (0.032 R)
• M35: 8,206,042 km (0.089 R)
• M36: 9,445,759 km (0.033 R)
• M37: 9,528,636 km (0.095 R)
• M38: 9,667,314 km (0.065 R)
• M39: 10,115,658 km (0.092 R)
• M40: 10,257,028 km (0.119 R)
• M41: 10,628,031 km (0.059 R)
• M42: 10,945,328 km (0.108 R)
• M43: 11,207,274 km (0.07 R)
• M44: 11,324,409 km (0.085 R)
• M45: 11,737,449 km (0.108 R)
• M46: 11,916,069 km (0.106 R)
• M47: 12,366,358 km (0.085 R)
• M48: 12,487,383 km (0.067 R)
• M49: 12,669,743 km (0.089 R)
• M50: 13,160,125 km (0.115 R)
• M51: 13,252,726 km (0.11 R)
• M52: 13,314,659 km (0.025 R)
• M53: 13,750,587 km (0.069 R)
• M54: 13,813,269 km (0.118 R)
• M55: 14,957,394 km (0.079 R)
• M56: 15,671,424 km (0.046 R)
• M57: 15,999,791 km (0.041 R)
• M58: 16,330,253 km (0.12 R)
• M59: 16,796,849 km (0.05 R)
• M60: 16,863,869 km (0.114 R)
• M61: 16,931,038 km (0.118 R)
• M62: 17,539,004 km (0.097 R)
• M63: 18,985,167 km (0.102 R)
• M64: 19,089,885 km (0.072 R)
• M65: 20,005,873 km (0.075 R)
• M66: 20,540,835 km (0.065 R)
• M67: 20,720,203 km (0.117 R)
• M68: 20,792,159 km (0.12 R)
• M69: 21,552,116 km (0.096 R)
• M70: 22,063,741 km (0.11 R)
• M71: 23,136,358 km (0.074 R)
• M72: 23,885,993 km (0.08 R)
• M73: 24,188,031 km (0.028 R)
• M74: 24,301,725 km (0.068 R)
• M75: 24,491,415 km (0.108 R)
• M76: 24,643,556 km (0.101 R)
• M77: 25,833,458 km (0.04 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.1

Radius: 10.1

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.97 AU - 10.99 AU

Year: 10980 Days

Day: 12.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 45,466,200 km

• M1: 215,271 km (0.086 R)
• M2: 616,044 km (0.03 R)
• M3: 786,735 km (0.119 R)
• M4: 914,492 km (0.07 R)
• M5: 1,306,737 km (0.109 R)
• M6: 1,425,668 km (0.083 R)
• M7: 1,656,198 km (0.113 R)
• M8: 2,034,830 km (0.119 R)
• M9: 2,173,807 km (0.092 R)
• M10: 2,461,184 km (0.043 R)
• M11: 2,545,557 km (0.086 R)
• M12: 2,674,062 km (0.084 R)
• M13: 2,848,792 km (0.068 R)
• M14: 3,232,660 km (0.116 R)
• M15: 3,419,059 km (0.11 R)
• M16: 3,585,113 km (0.077 R)
• M17: 3,851,397 km (0.081 R)
• M18: 4,149,396 km (0.077 R)
• M19: 4,225,093 km (0.06 R)
• M20: 4,715,175 km (0.092 R)
• M21: 5,034,118 km (0.095 R)
• M22: 5,525,697 km (0.109 R)
• M23: 5,918,690 km (0.073 R)
• M24: 6,583,952 km (0.095 R)
• M25: 6,820,915 km (0.092 R)
• M26: 7,090,939 km (0.101 R)
• M27: 7,395,072 km (0.055 R)
• M28: 8,653,938 km (0.092 R)
• M29: 9,143,123 km (0.047 R)
• M30: 9,507,543 km (0.098 R)
• M31: 9,607,774 km (0.074 R)
• M32: 9,944,369 km (0.106 R)
• M33: 10,114,162 km (0.106 R)
• M34: 10,422,184 km (0.12 R)
• M35: 10,663,935 km (0.115 R)
• M36: 11,082,659 km (0.095 R)
• M37: 11,542,373 km (0.061 R)
• M38: 12,663,609 km (0.114 R)
• M39: 13,069,768 km (0.098 R)
• M40: 14,008,943 km (0.03 R)
• M41: 14,505,907 km (0.095 R)
• M42: 17,238,911 km (0.087 R)
• M43: 17,771,329 km (0.103 R)
• M44: 17,936,186 km (0.108 R)
• M45: 18,143,080 km (0.078 R)
• M46: 18,226,107 km (0.094 R)
• M47: 18,350,722 km (0.091 R)
• M48: 18,684,624 km (0.104 R)
• M49: 19,570,693 km (0.098 R)
• M50: 19,954,561 km (0.111 R)
• M51: 20,816,693 km (0.104 R)
• M52: 21,999,713 km (0.108 R)
• M53: 22,132,407 km (0.12 R)
• M54: 22,755,631 km (0.119 R)
• M55: 23,249,454 km (0.103 R)
• M56: 23,565,405 km (0.109 R)
• M57: 24,568,010 km (0.054 R)
• M58: 25,166,999 km (0.065 R)
• M59: 25,444,952 km (0.09 R)
• M60: 26,144,621 km (0.091 R)
• M61: 28,425,690 km (0.084 R)
• M62: 31,614,668 km (0.083 R)
• M63: 31,964,876 km (0.102 R)
• M64: 32,065,107 km (0.087 R)
• M65: 32,165,487 km (0.074 R)
• M66: 32,568,055 km (0.045 R)
• M67: 33,327,414 km (0.073 R)
• M68: 33,480,003 km (0.094 R)
• M69: 33,939,119 km (0.059 R)
• M70: 34,143,919 km (0.101 R)

Planet 10 - Gas Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.5

Radius: 12.4

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.96 AU - 11.76 AU

Year: 11613 Days

Day: 10.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 45,466,200 km

• M1: 158,275 km (0.104 R)
• M2: 322,683 km (0.053 R)
• M3: 645,664 km (0.045 R)
• M4: 922,570 km (0.066 R)
• M5: 1,122,433 km (0.09 R)
• M6: 1,237,773 km (0.084 R)
• M7: 1,762,413 km (0.097 R)
• M8: 2,253,692 km (0.045 R)
• M9: 2,681,991 km (0.111 R)
• M10: 2,760,380 km (0.079 R)
• M11: 3,191,222 km (0.1 R)
• M12: 3,442,995 km (0.083 R)
• M13: 3,936,518 km (0.083 R)
• M14: 4,025,978 km (0.094 R)
• M15: 4,329,213 km (0.062 R)
• M16: 4,734,623 km (0.077 R)
• M17: 5,054,912 km (0.098 R)
• M18: 5,152,300 km (0.103 R)
• M19: 5,283,198 km (0.113 R)
• M20: 6,617,611 km (0.113 R)
• M21: 7,340,618 km (0.074 R)
• M22: 8,472,176 km (0.112 R)
• M23: 9,018,807 km (0.093 R)
• M24: 9,982,367 km (0.068 R)
• M25: 10,352,173 km (0.109 R)
• M26: 10,852,278 km (0.119 R)
• M27: 11,105,398 km (0.104 R)
• M28: 11,360,313 km (0.06 R)
• M29: 11,488,668 km (0.107 R)
• M30: 12,355,887 km (0.111 R)
• M31: 12,575,945 km (0.073 R)
• M32: 14,568,439 km (0.026 R)
• M33: 14,661,339 km (0.082 R)
• M34: 14,847,738 km (0.117 R)
• M35: 16,174,372 km (0.093 R)
• M36: 16,318,884 km (0.096 R)
• M37: 16,803,282 km (0.043 R)
• M38: 17,047,276 km (0.115 R)
• M39: 17,390,902 km (0.087 R)
• M40: 18,335,014 km (0.104 R)
• M41: 18,889,125 km (0.07 R)
• M42: 19,448,920 km (0.107 R)
• M43: 21,635,891 km (0.082 R)
• M44: 21,848,171 km (0.105 R)
• M45: 23,354,023 km (0.066 R)
• M46: 23,517,234 km (0.049 R)
• M47: 24,394,626 km (0.076 R)
• M48: 24,837,435 km (0.085 R)
• M49: 25,899,580 km (0.113 R)
• M50: 26,805,545 km (0.083 R)
• M51: 27,090,828 km (0.079 R)
• M52: 27,262,417 km (0.063 R)
• M53: 28,010,257 km (0.083 R)
• M54: 28,126,045 km (0.081 R)
• M55: 28,590,247 km (0.053 R)
• M56: 28,823,321 km (0.054 R)
• M57: 29,408,847 km (0.088 R)
• M58: 29,644,164 km (0.115 R)
• M59: 29,820,989 km (0.117 R)
• M60: 30,413,098 km (0.04 R)
• M61: 30,770,337 km (0.119 R)
• M62: 31,488,706 km (0.105 R)
• M63: 31,608,983 km (0.112 R)
• M64: 31,850,135 km (0.076 R)
• M65: 32,333,934 km (0.12 R)
• M66: 32,576,881 km (0.104 R)
• M67: 32,881,313 km (0.04 R)
• M68: 33,615,838 km (0.081 R)
• M69: 34,046,680 km (0.117 R)
• M70: 34,293,816 km (0.092 R)
• M71: 34,851,966 km (0.089 R)
• M72: 36,860,766 km (0.092 R)
• M73: 36,987,475 km (0.063 R)
• M74: 37,687,444 km (0.032 R)
• M75: 40,204,278 km (0.073 R)
• M76: 40,792,647 km (0.078 R)
• M77: 42,309,569 km (0.103 R)
• M78: 43,576,513 km (0.038 R)
• M79: 44,180,889 km (0.081 R)
• M80: 44,653,020 km (0.08 R)
• M81: 45,194,564 km (0.111 R)

Kuiper Belt

Range: 31.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 16,092 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit