🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.61 AU - 0.73 AU

Year: 193 Days

Day: 36.8 Hours

Environment

Temp: 202 °C

Axial Tilt: 38.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.64 AU - 0.98 AU

Year: 256 Days

Day: 20.1 Hours

Environment

Temp: 134 °C

Axial Tilt: 12.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.72 AU - 1.16 AU

Year: 320 Days

Day: 38.2 Hours

Environment

Temp: 95 °C

Axial Tilt: 33.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 104,373,728 km

• M1: 351,555 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.7 AU - 3.18 AU

Year: 1772 Days

Day: 31.6 Hours

Environment

Temp: -91 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.7

Radius: 10.5

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.88 AU - 10.24 AU

Year: 8802 Days

Day: 7.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 104,373,728 km

• M1: 141,819 km (0.119 R)
• M2: 732,132 km (0.054 R)
• M3: 846,275 km (0.104 R)
• M4: 984,653 km (0.084 R)
• M5: 1,344,137 km (0.116 R)
• M6: 2,250,700 km (0.118 R)
• M7: 3,039,679 km (0.063 R)
• M8: 3,174,616 km (0.096 R)
• M9: 3,339,174 km (0.054 R)
• M10: 3,648,094 km (0.042 R)
• M11: 3,878,774 km (0.092 R)
• M12: 4,630,204 km (0.073 R)
• M13: 5,328,227 km (0.094 R)
• M14: 5,590,173 km (0.11 R)
• M15: 5,822,948 km (0.072 R)
• M16: 5,890,117 km (0.1 R)
• M17: 6,092,972 km (0.052 R)
• M18: 7,321,918 km (0.066 R)
• M19: 7,576,833 km (0.062 R)
• M20: 7,650,136 km (0.119 R)
• M21: 8,207,986 km (0.084 R)
• M22: 9,284,044 km (0.044 R)
• M23: 9,560,052 km (0.092 R)
• M24: 9,838,753 km (0.089 R)
• M25: 12,638,926 km (0.078 R)
• M26: 13,253,324 km (0.075 R)
• M27: 13,386,317 km (0.105 R)
• M28: 13,475,178 km (0.1 R)
• M29: 13,742,958 km (0.07 R)
• M30: 14,057,562 km (0.107 R)
• M31: 14,602,547 km (0.053 R)
• M32: 14,785,655 km (0.104 R)
• M33: 14,923,584 km (0.109 R)
• M34: 15,479,490 km (0.059 R)
• M35: 15,759,986 km (0.062 R)
• M36: 16,468,482 km (0.087 R)
• M37: 16,802,683 km (0.099 R)
• M38: 17,332,409 km (0.11 R)
• M39: 17,575,057 km (0.113 R)
• M40: 17,867,670 km (0.11 R)
• M41: 18,211,147 km (0.109 R)
• M42: 19,758,288 km (0.058 R)
• M43: 20,062,570 km (0.091 R)
• M44: 20,419,661 km (0.096 R)
• M45: 21,088,213 km (0.067 R)
• M46: 21,295,257 km (0.119 R)
• M47: 22,025,743 km (0.102 R)
• M48: 22,393,904 km (0.091 R)
• M49: 22,817,415 km (0.114 R)
• M50: 22,976,737 km (0.104 R)
• M51: 24,374,280 km (0.071 R)
• M52: 24,482,888 km (0.108 R)
• M53: 25,965,104 km (0.076 R)
• M54: 26,465,659 km (0.092 R)
• M55: 27,250,748 km (0.064 R)
• M56: 28,728,775 km (0.101 R)
• M57: 28,900,962 km (0.117 R)
• M58: 29,131,044 km (0.055 R)
• M59: 29,883,371 km (0.097 R)
• M60: 30,116,146 km (0.083 R)
• M61: 30,524,847 km (0.078 R)
• M62: 30,994,285 km (0.107 R)
• M63: 33,316,643 km (0.097 R)
• M64: 33,981,755 km (0.093 R)
• M65: 34,103,228 km (0.057 R)
• M66: 34,956,983 km (0.048 R)
• M67: 36,065,204 km (0.095 R)
• M68: 36,375,021 km (0.111 R)
• M69: 37,059,881 km (0.091 R)
• M70: 37,560,585 km (0.077 R)
• M71: 37,686,097 km (0.093 R)
• M72: 37,937,571 km (0.1 R)
• M73: 39,458,234 km (0.108 R)
• M74: 40,354,474 km (0.039 R)
• M75: 40,547,456 km (0.081 R)
• M76: 40,869,540 km (0.091 R)
• M77: 41,646,402 km (0.032 R)
• M78: 41,906,403 km (0.047 R)
• M79: 43,148,813 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.5

Radius: 13

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.15 AU - 10.87 AU

Year: 10307 Days

Day: 8 Hours

Environment

Temp: -162 °C

Axial Tilt: 89.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 104,373,728 km

• M1: 211,980 km (0.093 R)
• M2: 323,730 km (0.03 R)
• M3: 591,809 km (0.099 R)
• M4: 834,756 km (0.09 R)
• M5: 1,241,962 km (0.052 R)
• M6: 1,418,038 km (0.116 R)
• M7: 1,973,944 km (0.09 R)
• M8: 2,694,407 km (0.088 R)
• M9: 3,136,918 km (0.107 R)
• M10: 3,325,860 km (0.095 R)
• M11: 3,574,492 km (0.071 R)
• M12: 4,031,812 km (0.098 R)
• M13: 4,119,626 km (0.116 R)
• M14: 5,611,117 km (0.115 R)
• M15: 6,075,170 km (0.084 R)
• M16: 6,210,107 km (0.08 R)
• M17: 6,759,729 km (0.118 R)
• M18: 7,182,343 km (0.113 R)
• M19: 7,905,799 km (0.058 R)
• M20: 8,053,302 km (0.11 R)
• M21: 8,576,745 km (0.062 R)
• M22: 8,766,435 km (0.074 R)
• M23: 8,919,175 km (0.088 R)
• M24: 9,111,408 km (0.074 R)
• M25: 9,775,174 km (0.091 R)
• M26: 10,738,734 km (0.071 R)
• M27: 11,314,835 km (0.035 R)
• M28: 11,901,109 km (0.069 R)
• M29: 12,583,126 km (0.089 R)
• M30: 13,059,445 km (0.097 R)
• M31: 13,851,716 km (0.101 R)
• M32: 14,208,806 km (0.081 R)
• M33: 14,298,564 km (0.082 R)
• M34: 14,478,680 km (0.058 R)
• M35: 15,853,335 km (0.084 R)
• M36: 16,039,734 km (0.112 R)
• M37: 17,078,093 km (0.104 R)
• M38: 17,605,425 km (0.11 R)
• M39: 18,431,056 km (0.078 R)
• M40: 19,418,402 km (0.095 R)
• M41: 19,568,000 km (0.076 R)
• M42: 19,818,277 km (0.074 R)
• M43: 20,880,572 km (0.101 R)
• M44: 21,392,944 km (0.089 R)
• M45: 24,284,671 km (0.047 R)
• M46: 24,607,503 km (0.104 R)
• M47: 25,040,140 km (0.077 R)
• M48: 25,529,924 km (0.111 R)
• M49: 25,803,389 km (0.11 R)
• M50: 26,795,971 km (0.047 R)
• M51: 26,906,972 km (0.1 R)
• M52: 29,675,281 km (0.097 R)
• M53: 30,714,836 km (0.053 R)
• M54: 31,648,926 km (0.102 R)
• M55: 31,825,152 km (0.056 R)
• M56: 33,008,022 km (0.11 R)
• M57: 34,024,689 km (0.052 R)
• M58: 34,205,254 km (0.079 R)
• M59: 34,325,830 km (0.119 R)
• M60: 37,819,239 km (0.075 R)
• M61: 38,318,597 km (0.066 R)
• M62: 39,829,685 km (0.086 R)
• M63: 40,401,299 km (0.108 R)
• M64: 41,295,894 km (0.12 R)
• M65: 43,169,906 km (0.115 R)
• M66: 43,626,479 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.3

Radius: 10.5

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 8.76 AU - 10.9 AU

Year: 10832 Days

Day: 11.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 104,373,728 km

• M1: 192,383 km (0.114 R)
• M2: 323,131 km (0.099 R)
• M3: 518,057 km (0.057 R)
• M4: 612,753 km (0.059 R)
• M5: 780,602 km (0.097 R)
• M6: 1,210,546 km (0.09 R)
• M7: 1,291,778 km (0.11 R)
• M8: 1,653,356 km (0.093 R)
• M9: 1,988,455 km (0.096 R)
• M10: 2,085,245 km (0.042 R)
• M11: 2,223,772 km (0.046 R)
• M12: 2,406,282 km (0.05 R)
• M13: 2,873,326 km (0.088 R)
• M14: 3,072,591 km (0.11 R)
• M15: 3,461,545 km (0.048 R)
• M16: 3,602,616 km (0.118 R)
• M17: 3,673,825 km (0.038 R)
• M18: 4,062,031 km (0.078 R)
• M19: 4,956,477 km (0.057 R)
• M20: 5,169,354 km (0.09 R)
• M21: 5,467,054 km (0.111 R)
• M22: 5,631,761 km (0.068 R)
• M23: 6,050,935 km (0.091 R)
• M24: 6,164,330 km (0.067 R)
• M25: 6,480,131 km (0.082 R)
• M26: 6,742,526 km (0.108 R)
• M27: 7,337,925 km (0.05 R)
• M28: 7,611,390 km (0.074 R)
• M29: 8,137,077 km (0.045 R)
• M30: 8,231,174 km (0.08 R)
• M31: 8,547,125 km (0.075 R)
• M32: 9,223,756 km (0.081 R)
• M33: 9,420,178 km (0.095 R)
• M34: 9,585,035 km (0.107 R)
• M35: 9,651,157 km (0.05 R)
• M36: 10,593,923 km (0.072 R)
• M37: 10,799,769 km (0.087 R)
• M38: 11,041,520 km (0.093 R)
• M39: 11,285,215 km (0.086 R)
• M40: 11,884,204 km (0.103 R)
• M41: 12,026,622 km (0.111 R)
• M42: 12,421,410 km (0.036 R)
• M43: 12,893,392 km (0.116 R)
• M44: 13,113,301 km (0.078 R)
• M45: 13,408,308 km (0.116 R)
• M46: 13,742,808 km (0.081 R)
• M47: 14,230,946 km (0.103 R)
• M48: 15,031,594 km (0.047 R)
• M49: 15,456,751 km (0.087 R)
• M50: 15,807,558 km (0.115 R)
• M51: 15,924,993 km (0.086 R)
• M52: 16,121,564 km (0.056 R)
• M53: 16,995,814 km (0.091 R)
• M54: 17,156,482 km (0.05 R)
• M55: 17,804,091 km (0.119 R)
• M56: 18,418,340 km (0.079 R)
• M57: 18,583,347 km (0.065 R)
• M58: 18,914,856 km (0.115 R)
• M59: 19,081,358 km (0.092 R)
• M60: 19,373,822 km (0.102 R)
• M61: 19,457,746 km (0.115 R)
• M62: 19,709,968 km (0.07 R)
• M63: 20,729,927 km (0.059 R)
• M64: 20,815,646 km (0.1 R)
• M65: 22,247,896 km (0.11 R)
• M66: 22,644,031 km (0.088 R)
• M67: 23,086,841 km (0.11 R)
• M68: 24,978,057 km (0.05 R)
• M69: 25,527,530 km (0.103 R)
• M70: 25,849,914 km (0.104 R)
• M71: 26,173,643 km (0.115 R)
• M72: 26,266,245 km (0.107 R)
• M73: 26,684,969 km (0.1 R)
• M74: 27,199,735 km (0.099 R)
• M75: 28,143,847 km (0.085 R)
• M76: 28,333,986 km (0.084 R)
• M77: 29,242,943 km (0.111 R)
• M78: 29,435,625 km (0.094 R)
• M79: 30,113,004 km (0.105 R)
• M80: 30,356,101 km (0.091 R)
• M81: 30,844,388 km (0.119 R)
• M82: 31,335,368 km (0.112 R)
• M83: 31,977,293 km (0.115 R)
• M84: 32,573,889 km (0.116 R)
• M85: 33,123,811 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311

Radius: 12.6

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 11.08 AU - 12.78 AU

Year: 14482 Days

Day: 9.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 104,373,728 km

• M1: 173,384 km (0.086 R)
• M2: 289,621 km (0.044 R)
• M3: 376,837 km (0.114 R)
• M4: 477,666 km (0.108 R)
• M5: 635,641 km (0.083 R)
• M6: 1,045,839 km (0.058 R)
• M7: 1,280,558 km (0.097 R)
• M8: 1,425,668 km (0.055 R)
• M9: 1,554,771 km (0.069 R)
• M10: 1,918,443 km (0.1 R)
• M11: 2,233,795 km (0.111 R)
• M12: 2,410,770 km (0.062 R)
• M13: 2,832,785 km (0.034 R)
• M14: 2,914,466 km (0.113 R)
• M15: 3,686,391 km (0.054 R)
• M16: 3,806,069 km (0.099 R)
• M17: 4,203,850 km (0.056 R)
• M18: 4,583,230 km (0.096 R)
• M19: 4,679,721 km (0.09 R)
• M20: 4,809,572 km (0.092 R)
• M21: 5,476,928 km (0.111 R)
• M22: 5,717,331 km (0.113 R)
• M23: 6,351,926 km (0.093 R)
• M24: 6,459,786 km (0.114 R)
• M25: 6,860,858 km (0.113 R)
• M26: 7,083,160 km (0.117 R)
• M27: 7,879,619 km (0.111 R)
• M28: 8,034,602 km (0.109 R)
• M29: 9,639,638 km (0.106 R)
• M30: 9,847,130 km (0.086 R)
• M31: 9,930,456 km (0.095 R)
• M32: 10,308,789 km (0.026 R)
• M33: 10,478,583 km (0.092 R)
• M34: 10,563,704 km (0.054 R)
• M35: 10,863,648 km (0.093 R)
• M36: 11,559,876 km (0.048 R)
• M37: 12,046,967 km (0.077 R)
• M38: 12,767,580 km (0.12 R)
• M39: 13,594,856 km (0.091 R)
• M40: 14,392,063 km (0.119 R)
• M41: 15,156,209 km (0.05 R)
• M42: 15,252,700 km (0.103 R)
• M43: 16,574,995 km (0.096 R)
• M44: 16,973,674 km (0.037 R)
• M45: 17,124,169 km (0.065 R)
• M46: 17,325,378 km (0.068 R)
• M47: 17,780,904 km (0.062 R)
• M48: 17,933,643 km (0.113 R)
• M49: 19,642,350 km (0.084 R)
• M50: 19,852,984 km (0.073 R)
• M51: 20,436,266 km (0.11 R)
• M52: 21,565,281 km (0.102 R)
• M53: 22,109,967 km (0.102 R)
• M54: 22,438,933 km (0.117 R)
• M55: 23,435,703 km (0.084 R)
• M56: 24,164,694 km (0.073 R)
• M57: 25,415,182 km (0.063 R)
• M58: 25,702,261 km (0.09 R)
• M59: 27,742,177 km (0.072 R)
• M60: 27,860,359 km (0.082 R)
• M61: 28,037,932 km (0.064 R)
• M62: 30,745,654 km (0.066 R)
• M63: 31,728,362 km (0.113 R)
• M64: 33,096,435 km (0.106 R)
• M65: 33,472,823 km (0.117 R)
• M66: 35,120,494 km (0.058 R)
• M67: 35,632,717 km (0.083 R)
• M68: 36,083,006 km (0.119 R)
• M69: 37,380,020 km (0.093 R)
• M70: 37,771,966 km (0.108 R)
• M71: 38,428,402 km (0.117 R)
• M72: 38,692,143 km (0.064 R)
• M73: 40,086,096 km (0.1 R)
• M74: 41,699,210 km (0.091 R)
• M75: 41,834,596 km (0.08 R)
• M76: 41,970,131 km (0.057 R)
• M77: 42,513,770 km (0.062 R)
• M78: 45,824,221 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832.1

Radius: 7.2

Gravity: 16.05 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 14.66 AU - 23.38 AU

Year: 29154 Days

Day: 15.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 104,373,728 km

• M1: 300,542 km (0.088 R)
• M2: 923,767 km (0.119 R)
• M3: 1,398,142 km (0.074 R)
• M4: 1,898,098 km (0.105 R)
• M5: 3,191,371 km (0.105 R)
• M6: 4,533,414 km (0.106 R)
• M7: 5,493,832 km (0.075 R)
• M8: 6,639,004 km (0.066 R)
• M9: 9,000,406 km (0.082 R)
• M10: 9,069,371 km (0.108 R)
• M11: 9,839,800 km (0.078 R)
• M12: 10,704,176 km (0.076 R)
• M13: 13,994,731 km (0.107 R)
• M14: 14,964,724 km (0.038 R)
• M15: 16,039,734 km (0.082 R)
• M16: 19,144,189 km (0.034 R)
• M17: 19,411,221 km (0.114 R)
• M18: 20,946,843 km (0.081 R)
• M19: 21,130,101 km (0.119 R)
• M20: 21,775,466 km (0.064 R)
• M21: 22,147,217 km (0.028 R)
• M22: 23,846,050 km (0.076 R)
• M23: 23,941,643 km (0.085 R)
• M24: 24,133,129 km (0.109 R)
• M25: 24,229,170 km (0.109 R)
• M26: 24,517,894 km (0.085 R)
• M27: 25,098,783 km (0.047 R)
• M28: 26,669,710 km (0.05 R)
• M29: 27,366,986 km (0.049 R)
• M30: 28,779,489 km (0.072 R)
• M31: 30,526,194 km (0.052 R)
• M32: 31,674,656 km (0.1 R)
• M33: 33,263,535 km (0.118 R)
• M34: 33,370,348 km (0.116 R)
• M35: 34,013,769 km (0.061 R)
• M36: 34,878,145 km (0.106 R)
• M37: 35,968,564 km (0.105 R)
• M38: 40,897,963 km (0.108 R)
• M39: 42,510,180 km (0.089 R)
• M40: 43,207,455 km (0.097 R)
• M41: 44,143,040 km (0.119 R)
• M42: 44,260,475 km (0.118 R)
• M43: 44,731,259 km (0.114 R)
• M44: 46,511,324 km (0.089 R)
• M45: 47,109,716 km (0.074 R)
• M46: 48,677,651 km (0.12 R)
• M47: 49,529,013 km (0.059 R)
• M48: 52,983,227 km (0.081 R)
• M49: 53,608,247 km (0.083 R)
• M50: 54,235,661 km (0.088 R)
• M51: 54,361,473 km (0.086 R)
• M52: 54,487,284 km (0.097 R)
• M53: 54,739,357 km (0.12 R)
• M54: 55,751,386 km (0.035 R)
• M55: 56,259,720 km (0.092 R)
• M56: 56,641,943 km (0.062 R)
• M57: 57,025,063 km (0.099 R)
• M58: 64,199,627 km (0.096 R)
• M59: 65,266,559 km (0.115 R)
• M60: 67,959,620 km (0.093 R)
• M61: 68,095,156 km (0.085 R)
• M62: 68,638,495 km (0.039 R)
• M63: 69,456,197 km (0.116 R)
• M64: 69,592,780 km (0.078 R)
• M65: 70,551,403 km (0.048 R)
• M66: 71,238,955 km (0.075 R)
• M67: 75,971,932 km (0.106 R)
• M68: 76,535,467 km (0.075 R)
• M69: 77,666,577 km (0.11 R)
• M70: 78,234,151 km (0.06 R)
• M71: 78,518,537 km (0.109 R)
• M72: 80,231,732 km (0.082 R)
• M73: 80,518,511 km (0.102 R)
• M74: 80,661,975 km (0.115 R)
• M75: 81,957,343 km (0.09 R)
• M76: 84,860,290 km (0.118 R)
• M77: 87,206,732 km (0.097 R)
• M78: 87,649,093 km (0.067 R)
• M79: 87,944,399 km (0.081 R)
• M80: 88,684,161 km (0.081 R)
• M81: 90,169,817 km (0.059 R)
• M82: 94,524,312 km (0.066 R)
• M83: 94,675,705 km (0.052 R)
• M84: 94,827,248 km (0.045 R)
• M85: 95,433,867 km (0.045 R)
• M86: 96,193,974 km (0.113 R)
• M87: 96,498,555 km (0.118 R)
• M88: 96,803,585 km (0.105 R)
• M89: 99,100,661 km (0.113 R)
• M90: 99,254,447 km (0.076 R)
• M91: 101,570,821 km (0.043 R)
• M92: 102,657,799 km (0.107 R)
• M93: 103,748,666 km (0.078 R)

Kuiper Belt

Range: 31.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 14,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit