🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.55 AU - 0.91 AU

Year: 221 Days

Day: 46.5 Hours

Environment

Temp: 170 °C

Axial Tilt: 1.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 109,408,854 km

• M1: 212,279 km (0.085 R)
• M2: 265,686 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.74 AU - 1.14 AU

Year: 323 Days

Day: 24.7 Hours

Environment

Temp: 176 °C

Axial Tilt: 5.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.6 AU - 3.36 AU

Year: 1825 Days

Day: 22.8 Hours

Environment

Temp: -89 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 109,408,854 km

• M1: 2,204,773 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.92 AU - 3.26 AU

Year: 1927 Days

Day: 39.1 Hours

Environment

Temp: -100 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 109,408,854 km

• M1: 1,383,780 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.3

Radius: 12.4

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.14 AU - 8.22 AU

Year: 6125 Days

Day: 12.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 109,408,854 km

• M1: 188,045 km (0.027 R)
• M2: 270,024 km (0.095 R)
• M3: 433,983 km (0.113 R)
• M4: 674,088 km (0.085 R)
• M5: 880,683 km (0.099 R)
• M6: 1,067,381 km (0.053 R)
• M7: 1,253,032 km (0.109 R)
• M8: 1,592,170 km (0.098 R)
• M9: 1,840,203 km (0.071 R)
• M10: 2,374,268 km (0.111 R)
• M11: 2,543,762 km (0.095 R)
• M12: 2,935,110 km (0.095 R)
• M13: 3,241,187 km (0.118 R)
• M14: 3,493,709 km (0.077 R)
• M15: 3,687,438 km (0.059 R)
• M16: 4,520,848 km (0.115 R)
• M17: 4,756,016 km (0.116 R)
• M18: 4,922,967 km (0.027 R)
• M19: 5,189,401 km (0.037 R)
• M20: 5,386,271 km (0.095 R)
• M21: 5,485,604 km (0.107 R)
• M22: 5,914,651 km (0.059 R)
• M23: 6,224,169 km (0.097 R)
• M24: 6,459,786 km (0.099 R)
• M25: 6,538,923 km (0.116 R)
• M26: 6,912,918 km (0.117 R)
• M27: 7,102,608 km (0.1 R)
• M28: 7,376,521 km (0.107 R)
• M29: 7,487,074 km (0.078 R)
• M30: 7,625,901 km (0.103 R)
• M31: 8,019,643 km (0.063 R)
• M32: 8,104,913 km (0.075 R)
• M33: 8,190,483 km (0.093 R)
• M34: 8,477,711 km (0.035 R)
• M35: 8,710,037 km (0.056 R)
• M36: 9,180,971 km (0.119 R)
• M37: 9,389,660 km (0.091 R)
• M38: 9,660,133 km (0.113 R)
• M39: 10,055,670 km (0.113 R)
• M40: 10,611,875 km (0.032 R)
• M41: 11,209,967 km (0.096 R)
• M42: 11,305,410 km (0.088 R)
• M43: 11,433,167 km (0.09 R)
• M44: 11,561,223 km (0.075 R)
• M45: 12,274,804 km (0.095 R)
• M46: 12,670,042 km (0.032 R)
• M47: 13,270,678 km (0.108 R)
• M48: 13,439,274 km (0.085 R)
• M49: 14,603,894 km (0.091 R)
• M50: 15,872,334 km (0.113 R)
• M51: 16,737,459 km (0.109 R)
• M52: 16,846,665 km (0.075 R)
• M53: 18,138,293 km (0.097 R)
• M54: 18,928,619 km (0.077 R)
• M55: 19,614,974 km (0.089 R)
• M56: 20,038,485 km (0.092 R)
• M57: 20,698,810 km (0.095 R)
• M58: 20,816,095 km (0.09 R)
• M59: 20,894,484 km (0.08 R)
• M60: 21,012,068 km (0.107 R)
• M61: 22,041,002 km (0.093 R)
• M62: 22,441,177 km (0.08 R)
• M63: 22,843,744 km (0.053 R)
• M64: 23,086,392 km (0.113 R)
• M65: 23,167,474 km (0.068 R)
• M66: 23,819,571 km (0.093 R)
• M67: 24,147,789 km (0.11 R)
• M68: 24,436,363 km (0.115 R)
• M69: 24,725,985 km (0.11 R)
• M70: 25,434,181 km (0.09 R)
• M71: 25,517,956 km (0.09 R)
• M72: 25,601,731 km (0.106 R)
• M73: 25,727,692 km (0.108 R)
• M74: 25,853,803 km (0.118 R)
• M75: 27,126,731 km (0.108 R)
• M76: 27,684,582 km (0.1 R)
• M77: 27,770,750 km (0.083 R)
• M78: 28,072,938 km (0.108 R)
• M79: 28,506,772 km (0.115 R)
• M80: 28,855,335 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.7

Radius: 11.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.62 AU - 8.76 AU

Year: 6840 Days

Day: 12.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 109,408,854 km

• M1: 210,335 km (0.075 R)
• M2: 314,754 km (0.031 R)
• M3: 500,554 km (0.077 R)
• M4: 604,226 km (0.112 R)
• M5: 848,070 km (0.111 R)
• M6: 1,049,279 km (0.111 R)
• M7: 1,188,106 km (0.113 R)
• M8: 1,730,847 km (0.061 R)
• M9: 1,805,796 km (0.07 R)
• M10: 2,546,455 km (0.089 R)
• M11: 2,771,749 km (0.117 R)
• M12: 3,756,851 km (0.111 R)
• M13: 3,855,137 km (0.1 R)
• M14: 4,195,622 km (0.086 R)
• M15: 4,297,648 km (0.031 R)
• M16: 4,400,421 km (0.054 R)
• M17: 5,675,594 km (0.114 R)
• M18: 6,744,171 km (0.114 R)
• M19: 7,179,202 km (0.103 R)
• M20: 7,449,525 km (0.116 R)
• M21: 7,623,358 km (0.081 R)
• M22: 8,306,422 km (0.047 R)
• M23: 9,920,882 km (0.071 R)
• M24: 10,112,218 km (0.088 R)
• M25: 10,194,646 km (0.09 R)
• M26: 10,693,854 km (0.076 R)
• M27: 11,514,847 km (0.057 R)
• M28: 11,629,589 km (0.1 R)
• M29: 11,802,674 km (0.08 R)
• M30: 12,034,550 km (0.112 R)
• M31: 12,385,357 km (0.077 R)
• M32: 13,307,329 km (0.064 R)
• M33: 13,670,104 km (0.119 R)
• M34: 13,913,799 km (0.101 R)
• M35: 14,251,142 km (0.106 R)
• M36: 14,529,244 km (0.106 R)
• M37: 14,653,411 km (0.107 R)
• M38: 14,996,738 km (0.119 R)
• M39: 15,914,521 km (0.037 R)
• M40: 16,720,404 km (0.094 R)
• M41: 16,915,779 km (0.096 R)
• M42: 17,440,569 km (0.08 R)
• M43: 19,798,530 km (0.049 R)
• M44: 20,108,946 km (0.087 R)
• M45: 20,316,737 km (0.036 R)
• M46: 20,525,277 km (0.08 R)
• M47: 20,769,570 km (0.117 R)
• M48: 22,793,779 km (0.098 R)
• M49: 23,227,912 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.2

Radius: 8.9

Gravity: 11.04 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.26 AU - 8.52 AU

Year: 7862 Days

Day: 10.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 109,408,854 km

• M1: 161,715 km (0.119 R)
• M2: 217,366 km (0.112 R)
• M3: 285,283 km (0.064 R)
• M4: 375,491 km (0.045 R)
• M5: 696,079 km (0.096 R)
• M6: 1,323,492 km (0.03 R)
• M7: 1,613,862 km (0.087 R)
• M8: 1,722,470 km (0.108 R)
• M9: 1,856,210 km (0.081 R)
• M10: 1,924,277 km (0.113 R)
• M11: 2,039,767 km (0.097 R)
• M12: 2,181,436 km (0.079 R)
• M13: 2,550,045 km (0.118 R)
• M14: 2,806,755 km (0.119 R)
• M15: 3,345,008 km (0.112 R)
• M16: 3,973,619 km (0.105 R)
• M17: 4,062,181 km (0.104 R)
• M18: 4,151,491 km (0.09 R)
• M19: 4,331,906 km (0.099 R)
• M20: 4,484,346 km (0.113 R)
• M21: 4,888,858 km (0.063 R)
• M22: 5,732,890 km (0.049 R)
• M23: 6,903,493 km (0.112 R)
• M24: 7,810,056 km (0.094 R)
• M25: 8,371,946 km (0.077 R)
• M26: 9,102,282 km (0.08 R)
• M27: 9,455,333 km (0.105 R)
• M28: 9,653,551 km (0.099 R)
• M29: 10,788,250 km (0.106 R)
• M30: 10,912,267 km (0.116 R)
• M31: 10,995,294 km (0.075 R)
• M32: 11,455,457 km (0.093 R)
• M33: 13,005,141 km (0.11 R)
• M34: 13,093,105 km (0.033 R)
• M35: 13,491,634 km (0.1 R)
• M36: 13,984,110 km (0.082 R)
• M37: 14,528,197 km (0.075 R)
• M38: 14,756,932 km (0.103 R)
• M39: 15,310,744 km (0.053 R)
• M40: 16,868,506 km (0.113 R)
• M41: 17,012,719 km (0.055 R)
• M42: 17,205,550 km (0.114 R)
• M43: 17,885,921 km (0.061 R)
• M44: 18,032,976 km (0.107 R)
• M45: 18,823,601 km (0.107 R)
• M46: 19,223,177 km (0.084 R)
• M47: 19,474,202 km (0.104 R)
• M48: 19,929,129 km (0.085 R)
• M49: 20,132,283 km (0.074 R)
• M50: 21,366,316 km (0.032 R)
• M51: 21,940,024 km (0.083 R)
• M52: 22,571,776 km (0.066 R)
• M53: 22,677,691 km (0.054 R)
• M54: 24,556,939 km (0.078 R)
• M55: 24,665,847 km (0.1 R)
• M56: 25,542,789 km (0.102 R)
• M57: 25,985,001 km (0.102 R)
• M58: 26,318,454 km (0.087 R)
• M59: 26,597,305 km (0.044 R)
• M60: 27,157,997 km (0.084 R)
• M61: 27,496,388 km (0.056 R)
• M62: 28,576,933 km (0.069 R)
• M63: 28,806,267 km (0.076 R)
• M64: 29,497,708 km (0.04 R)
• M65: 31,604,645 km (0.116 R)
• M66: 32,437,007 km (0.12 R)
• M67: 32,496,697 km (0.101 R)
• M68: 32,676,214 km (0.118 R)
• M69: 32,975,859 km (0.109 R)
• M70: 33,096,135 km (0.026 R)
• M71: 33,880,776 km (0.093 R)
• M72: 35,283,855 km (0.096 R)
• M73: 35,406,824 km (0.093 R)
• M74: 35,468,309 km (0.055 R)
• M75: 35,529,793 km (0.066 R)
• M76: 36,023,466 km (0.058 R)
• M77: 36,085,400 km (0.078 R)
• M78: 36,395,217 km (0.096 R)
• M79: 37,204,990 km (0.099 R)
• M80: 37,580,780 km (0.061 R)
• M81: 40,438,698 km (0.088 R)
• M82: 41,341,970 km (0.071 R)
• M83: 41,406,746 km (0.04 R)
• M84: 43,168,560 km (0.076 R)
• M85: 43,827,239 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.1

Radius: 12.8

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 8.26 AU - 13.48 AU

Year: 12714 Days

Day: 6.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 109,408,854 km

• M1: 277,055 km (0.066 R)
• M2: 362,326 km (0.057 R)
• M3: 556,953 km (0.107 R)
• M4: 642,672 km (0.065 R)
• M5: 752,477 km (0.077 R)
• M6: 930,948 km (0.096 R)
• M7: 1,284,148 km (0.105 R)
• M8: 2,489,608 km (0.109 R)
• M9: 3,047,608 km (0.107 R)
• M10: 3,308,207 km (0.107 R)
• M11: 3,407,839 km (0.076 R)
• M12: 3,576,137 km (0.108 R)
• M13: 3,712,720 km (0.077 R)
• M14: 4,026,726 km (0.062 R)
• M15: 4,168,993 km (0.116 R)
• M16: 4,458,914 km (0.066 R)
• M17: 5,924,076 km (0.071 R)
• M18: 6,209,209 km (0.117 R)
• M19: 7,264,323 km (0.092 R)
• M20: 8,419,967 km (0.11 R)
• M21: 8,694,778 km (0.102 R)
• M22: 9,253,376 km (0.075 R)
• M23: 9,537,014 km (0.107 R)
• M24: 9,871,664 km (0.081 R)
• M25: 10,258,824 km (0.088 R)
• M26: 10,651,069 km (0.046 R)
• M27: 11,048,252 km (0.051 R)
• M28: 11,349,242 km (0.106 R)
• M29: 11,602,212 km (0.086 R)
• M30: 12,062,376 km (0.103 R)
• M31: 12,165,448 km (0.082 R)
• M32: 12,268,671 km (0.079 R)
• M33: 13,265,142 km (0.103 R)
• M34: 13,371,656 km (0.053 R)
• M35: 13,638,838 km (0.075 R)
• M36: 13,853,960 km (0.112 R)
• M37: 14,015,974 km (0.075 R)
• M38: 14,178,737 km (0.049 R)
• M39: 15,001,674 km (0.104 R)
• M40: 15,112,526 km (0.087 R)
• M41: 16,009,665 km (0.119 R)
• M42: 19,585,204 km (0.117 R)
• M43: 20,071,846 km (0.045 R)
• M44: 20,255,402 km (0.086 R)
• M45: 22,310,877 km (0.1 R)
• M46: 22,437,586 km (0.106 R)
• M47: 22,691,603 km (0.12 R)
• M48: 23,588,592 km (0.087 R)
• M49: 26,014,621 km (0.081 R)
• M50: 28,039,279 km (0.078 R)
• M51: 28,313,043 km (0.073 R)
• M52: 29,070,606 km (0.093 R)
• M53: 29,208,984 km (0.094 R)
• M54: 31,667,027 km (0.045 R)
• M55: 31,880,802 km (0.039 R)
• M56: 33,899,177 km (0.1 R)
• M57: 34,703,265 km (0.109 R)
• M58: 35,809,990 km (0.101 R)
• M59: 36,330,441 km (0.118 R)
• M60: 37,228,477 km (0.064 R)
• M61: 38,285,386 km (0.058 R)
• M62: 38,817,655 km (0.114 R)
• M63: 40,351,632 km (0.111 R)
• M64: 41,125,951 km (0.099 R)
• M65: 41,359,323 km (0.119 R)
• M66: 43,241,265 km (0.106 R)
• M67: 43,478,527 km (0.105 R)
• M68: 45,151,181 km (0.066 R)
• M69: 45,794,003 km (0.073 R)
• M70: 46,358,884 km (0.067 R)
• M71: 49,382,856 km (0.108 R)
• M72: 49,548,012 km (0.032 R)
• M73: 50,128,003 km (0.086 R)
• M74: 50,377,233 km (0.116 R)
• M75: 50,710,088 km (0.119 R)
• M76: 50,793,414 km (0.056 R)
• M77: 51,629,516 km (0.036 R)
• M78: 52,385,734 km (0.114 R)
• M79: 53,061,168 km (0.095 R)
• M80: 53,315,185 km (0.119 R)
• M81: 53,399,858 km (0.119 R)
• M82: 54,591,105 km (0.108 R)
• M83: 56,653,761 km (0.083 R)
• M84: 56,826,696 km (0.106 R)
• M85: 57,433,764 km (0.118 R)
• M86: 58,042,927 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.9

Radius: 5.1

Gravity: 35.21 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 15.12 AU - 23.26 AU

Year: 29823 Days

Day: 24.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 109,408,854 km

• M1: 264,339 km (0.088 R)
• M2: 1,435,541 km (0.087 R)
• M3: 1,551,480 km (0.111 R)
• M4: 1,710,801 km (0.096 R)
• M5: 2,045,302 km (0.103 R)
• M6: 2,445,476 km (0.068 R)
• M7: 3,678,013 km (0.102 R)
• M8: 4,608,811 km (0.081 R)
• M9: 4,837,995 km (0.096 R)
• M10: 7,392,080 km (0.077 R)
• M11: 7,592,840 km (0.066 R)
• M12: 8,137,077 km (0.07 R)
• M13: 8,764,191 km (0.059 R)
• M14: 9,119,337 km (0.111 R)
• M15: 9,190,844 km (0.116 R)
• M16: 10,436,247 km (0.064 R)
• M17: 10,888,331 km (0.062 R)
• M18: 11,889,440 km (0.106 R)
• M19: 13,080,838 km (0.115 R)
• M20: 14,895,610 km (0.07 R)
• M21: 15,918,410 km (0.116 R)
• M22: 16,525,329 km (0.067 R)
• M23: 17,940,973 km (0.104 R)
• M24: 19,027,952 km (0.107 R)
• M25: 20,042,973 km (0.109 R)
• M26: 20,416,369 km (0.12 R)
• M27: 21,550,471 km (0.053 R)
• M28: 21,741,358 km (0.1 R)
• M29: 22,704,768 km (0.054 R)
• M30: 22,996,484 km (0.097 R)
• M31: 23,682,091 km (0.113 R)
• M32: 25,374,641 km (0.086 R)
• M33: 25,981,261 km (0.09 R)
• M34: 26,286,440 km (0.117 R)
• M35: 27,415,306 km (0.076 R)
• M36: 28,246,172 km (0.092 R)
• M37: 28,874,783 km (0.062 R)
• M38: 31,218,832 km (0.114 R)
• M39: 31,759,927 km (0.084 R)
• M40: 32,741,888 km (0.102 R)
• M41: 35,634,063 km (0.107 R)
• M42: 36,199,693 km (0.104 R)
• M43: 36,313,088 km (0.104 R)
• M44: 37,913,935 km (0.118 R)
• M45: 38,722,810 km (0.028 R)
• M46: 39,537,520 km (0.095 R)
• M47: 40,122,897 km (0.076 R)
• M48: 42,253,919 km (0.107 R)
• M49: 46,501,451 km (0.115 R)
• M50: 48,113,368 km (0.041 R)
• M51: 48,238,133 km (0.105 R)
• M52: 49,869,647 km (0.117 R)
• M53: 50,501,848 km (0.087 R)
• M54: 51,264,198 km (0.072 R)
• M55: 52,286,550 km (0.05 R)
• M56: 54,481,151 km (0.094 R)
• M57: 55,786,093 km (0.108 R)
• M58: 56,179,536 km (0.107 R)
• M59: 56,442,379 km (0.106 R)
• M60: 58,160,810 km (0.119 R)
• M61: 59,762,255 km (0.108 R)
• M62: 62,191,276 km (0.077 R)
• M63: 62,735,513 km (0.085 R)
• M64: 65,203,878 km (0.12 R)
• M65: 65,341,956 km (0.111 R)
• M66: 66,449,878 km (0.094 R)
• M67: 67,703,658 km (0.115 R)
• M68: 68,403,626 km (0.095 R)
• M69: 68,684,422 km (0.119 R)
• M70: 72,653,552 km (0.101 R)
• M71: 73,370,126 km (0.086 R)
• M72: 75,244,139 km (0.036 R)
• M73: 76,114,499 km (0.112 R)
• M74: 76,405,317 km (0.119 R)
• M75: 80,071,662 km (0.115 R)
• M76: 80,367,417 km (0.051 R)
• M77: 80,663,621 km (0.045 R)
• M78: 80,960,124 km (0.047 R)
• M79: 86,055,876 km (0.049 R)
• M80: 86,662,046 km (0.099 R)
• M81: 87,574,145 km (0.115 R)
• M82: 89,868,378 km (0.095 R)
• M83: 90,175,652 km (0.114 R)
• M84: 90,791,546 km (0.081 R)
• M85: 92,647,308 km (0.058 R)
• M86: 93,424,169 km (0.084 R)
• M87: 94,047,245 km (0.078 R)
• M88: 94,203,275 km (0.11 R)
• M89: 94,671,816 km (0.04 R)
• M90: 96,081,925 km (0.047 R)
• M91: 97,183,414 km (0.085 R)
• M92: 98,289,092 km (0.118 R)
• M93: 98,447,367 km (0.106 R)
• M94: 103,557,630 km (0.064 R)
• M95: 107,446,576 km (0.098 R)

Kuiper Belt

Range: 30.9 - 47.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 19,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit