🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.51 AU - 0.79 AU

Year: 338 Days

Day: 47.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 73,249,669 km

• M1: 137,929 km (0.049 R)
• M2: 567,126 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.5

Radius: 11.7

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.01 AU - 1.53 AU

Year: 924 Days

Day: 12.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 73,249,669 km

• M1: 218,562 km (0.094 R)
• M2: 296,353 km (0.053 R)
• M3: 441,164 km (0.099 R)
• M4: 550,819 km (0.102 R)
• M5: 706,102 km (0.088 R)
• M6: 783,743 km (0.066 R)
• M7: 988,543 km (0.102 R)
• M8: 1,262,456 km (0.076 R)
• M9: 1,344,286 km (0.093 R)
• M10: 1,427,912 km (0.106 R)
• M11: 1,545,047 km (0.113 R)
• M12: 1,633,160 km (0.078 R)
• M13: 1,839,755 km (0.084 R)
• M14: 1,942,080 km (0.113 R)
• M15: 2,081,505 km (0.11 R)
• M16: 2,215,544 km (0.086 R)
• M17: 2,426,477 km (0.06 R)
• M18: 2,605,845 km (0.11 R)
• M19: 2,711,910 km (0.096 R)
• M20: 2,988,068 km (0.083 R)
• M21: 3,252,856 km (0.105 R)
• M22: 3,409,186 km (0.105 R)
• M23: 3,729,325 km (0.053 R)
• M24: 3,849,303 km (0.117 R)
• M25: 4,182,756 km (0.104 R)
• M26: 4,537,303 km (0.079 R)
• M27: 4,688,996 km (0.115 R)
• M28: 4,783,242 km (0.076 R)
• M29: 4,913,692 km (0.088 R)
• M30: 4,997,317 km (0.094 R)
• M31: 5,141,978 km (0.082 R)
• M32: 5,263,601 km (0.047 R)
• M33: 5,349,171 km (0.057 R)
• M34: 5,460,023 km (0.115 R)
• M35: 5,559,206 km (0.058 R)
• M36: 5,696,537 km (0.038 R)
• M37: 6,025,802 km (0.062 R)
• M38: 6,141,292 km (0.069 R)
• M39: 6,335,320 km (0.116 R)
• M40: 6,426,575 km (0.049 R)
• M41: 6,822,560 km (0.112 R)
• M42: 7,010,156 km (0.047 R)
• M43: 7,118,166 km (0.103 R)
• M44: 7,253,851 km (0.088 R)
• M45: 7,486,625 km (0.072 R)
• M46: 7,805,419 km (0.114 R)
• M47: 8,044,027 km (0.071 R)
• M48: 8,485,341 km (0.089 R)
• M49: 8,629,254 km (0.087 R)
• M50: 8,716,170 km (0.079 R)
• M51: 8,832,408 km (0.058 R)
• M52: 9,036,908 km (0.098 R)
• M53: 9,154,642 km (0.085 R)
• M54: 9,615,254 km (0.084 R)
• M55: 9,856,106 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.7

Radius: 12.3

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.49 AU - 2.21 AU

Year: 1625 Days

Day: 13.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 154.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 73,249,669 km

• M1: 153,487 km (0.063 R)
• M2: 280,047 km (0.112 R)
• M3: 404,213 km (0.09 R)
• M4: 485,894 km (0.063 R)
• M5: 625,618 km (0.059 R)
• M6: 716,873 km (0.097 R)
• M7: 829,969 km (0.08 R)
• M8: 958,623 km (0.049 R)
• M9: 1,103,883 km (0.116 R)
• M10: 1,237,324 km (0.099 R)
• M11: 1,574,069 km (0.056 R)
• M12: 1,905,578 km (0.044 R)
• M13: 2,162,886 km (0.092 R)
• M14: 2,271,494 km (0.058 R)
• M15: 2,507,111 km (0.113 R)
• M16: 2,608,688 km (0.059 R)
• M17: 2,724,626 km (0.082 R)
• M18: 3,042,521 km (0.082 R)
• M19: 3,137,666 km (0.101 R)
• M20: 3,344,709 km (0.029 R)
• M21: 3,542,029 km (0.109 R)
• M22: 3,816,242 km (0.072 R)
• M23: 4,446,797 km (0.1 R)
• M24: 4,648,754 km (0.12 R)
• M25: 4,774,416 km (0.102 R)
• M26: 5,077,651 km (0.054 R)
• M27: 5,288,883 km (0.111 R)
• M28: 6,025,054 km (0.099 R)
• M29: 6,110,774 km (0.068 R)
• M30: 6,387,829 km (0.103 R)
• M31: 6,510,350 km (0.097 R)
• M32: 6,793,539 km (0.096 R)
• M33: 7,044,564 km (0.1 R)
• M34: 7,445,187 km (0.089 R)
• M35: 7,834,590 km (0.105 R)
• M36: 8,060,184 km (0.112 R)
• M37: 8,192,727 km (0.103 R)
• M38: 8,287,872 km (0.083 R)
• M39: 8,769,128 km (0.119 R)
• M40: 9,121,431 km (0.043 R)
• M41: 9,678,533 km (0.117 R)
• M42: 10,617,709 km (0.074 R)
• M43: 10,784,062 km (0.118 R)
• M44: 10,888,331 km (0.086 R)
• M45: 10,972,106 km (0.045 R)
• M46: 11,394,271 km (0.111 R)
• M47: 12,058,935 km (0.089 R)
• M48: 12,167,393 km (0.089 R)
• M49: 12,472,573 km (0.092 R)
• M50: 12,692,183 km (0.067 R)
• M51: 12,846,717 km (0.071 R)
• M52: 13,001,850 km (0.119 R)
• M53: 13,202,162 km (0.117 R)
• M54: 13,313,911 km (0.114 R)
• M55: 13,583,337 km (0.097 R)
• M56: 13,764,051 km (0.115 R)
• M57: 14,196,389 km (0.06 R)
• M58: 14,333,870 km (0.095 R)
• M59: 14,586,989 km (0.115 R)
• M60: 14,818,417 km (0.061 R)
• M61: 14,957,842 km (0.102 R)
• M62: 15,378,811 km (0.076 R)
• M63: 15,661,700 km (0.1 R)
• M64: 15,827,455 km (0.112 R)
• M65: 15,922,449 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.2

Radius: 13.8

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.65 AU - 2.35 AU

Year: 1826 Days

Day: 9.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,249,669 km

• M1: 175,777 km (0.057 R)
• M2: 274,811 km (0.026 R)
• M3: 508,334 km (0.067 R)
• M4: 610,060 km (0.111 R)
• M5: 788,530 km (0.068 R)
• M6: 904,319 km (0.089 R)
• M7: 1,240,914 km (0.04 R)
• M8: 1,341,594 km (0.119 R)
• M9: 1,534,874 km (0.096 R)
• M10: 1,670,410 km (0.082 R)
• M11: 2,053,979 km (0.077 R)
• M12: 2,288,698 km (0.117 R)
• M13: 2,527,157 km (0.116 R)
• M14: 2,790,150 km (0.117 R)
• M15: 2,936,008 km (0.056 R)
• M16: 3,679,659 km (0.117 R)
• M17: 4,094,494 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.2

Radius: 9.2

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.21 AU - 2.43 AU

Year: 2282 Days

Day: 14.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 73,249,669 km

• M1: 157,078 km (0.085 R)
• M2: 252,820 km (0.096 R)
• M3: 331,060 km (0.1 R)
• M4: 420,071 km (0.028 R)
• M5: 598,691 km (0.047 R)
• M6: 668,702 km (0.077 R)
• M7: 818,151 km (0.065 R)
• M8: 897,138 km (0.114 R)
• M9: 1,003,951 km (0.099 R)
• M10: 1,080,545 km (0.119 R)
• M11: 1,141,581 km (0.115 R)
• M12: 1,203,814 km (0.109 R)
• M13: 1,378,844 km (0.089 R)
• M14: 1,445,415 km (0.093 R)
• M15: 1,652,009 km (0.081 R)
• M16: 1,836,912 km (0.101 R)
• M17: 1,900,043 km (0.044 R)
• M18: 2,249,204 km (0.081 R)
• M19: 2,408,526 km (0.119 R)
• M20: 2,678,251 km (0.105 R)
• M21: 2,762,325 km (0.031 R)
• M22: 2,920,749 km (0.107 R)
• M23: 3,375,377 km (0.026 R)
• M24: 3,466,332 km (0.028 R)
• M25: 3,545,021 km (0.107 R)
• M26: 3,664,101 km (0.12 R)
• M27: 3,852,145 km (0.114 R)
• M28: 4,195,622 km (0.073 R)
• M29: 4,293,758 km (0.08 R)
• M30: 4,534,910 km (0.087 R)
• M31: 4,649,951 km (0.081 R)
• M32: 5,045,487 km (0.103 R)
• M33: 5,134,947 km (0.108 R)
• M34: 5,270,034 km (0.075 R)
• M35: 5,421,427 km (0.119 R)
• M36: 5,497,722 km (0.058 R)
• M37: 5,589,724 km (0.112 R)
• M38: 5,666,767 km (0.098 R)
• M39: 5,775,375 km (0.102 R)
• M40: 5,884,582 km (0.088 R)
• M41: 5,994,536 km (0.118 R)
• M42: 6,312,282 km (0.062 R)
• M43: 6,619,257 km (0.105 R)
• M44: 6,684,631 km (0.074 R)
• M45: 7,080,617 km (0.066 R)
• M46: 7,382,805 km (0.117 R)
• M47: 7,620,665 km (0.114 R)
• M48: 7,706,385 km (0.078 R)
• M49: 7,878,422 km (0.12 R)
• M50: 8,069,309 km (0.032 R)
• M51: 8,226,537 km (0.061 R)
• M52: 8,508,828 km (0.111 R)
• M53: 8,579,737 km (0.046 R)
• M54: 8,776,159 km (0.029 R)
• M55: 9,155,240 km (0.076 R)
• M56: 9,613,458 km (0.059 R)
• M57: 9,743,160 km (0.106 R)
• M58: 9,910,709 km (0.087 R)
• M59: 10,004,208 km (0.047 R)
• M60: 10,324,347 km (0.097 R)
• M61: 10,647,778 km (0.104 R)
• M62: 11,149,081 km (0.11 R)
• M63: 11,343,857 km (0.086 R)
• M64: 11,559,577 km (0.116 R)
• M65: 11,697,506 km (0.04 R)
• M66: 11,935,217 km (0.04 R)
• M67: 12,014,803 km (0.089 R)
• M68: 12,214,517 km (0.097 R)
• M69: 12,415,426 km (0.105 R)
• M70: 12,617,384 km (0.07 R)
• M71: 12,759,502 km (0.115 R)
• M72: 12,963,403 km (0.047 R)
• M73: 13,872,959 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.6

Radius: 12.1

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.94 AU - 3.54 AU

Year: 3766 Days

Day: 10.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 73,249,669 km

• M1: 165,306 km (0.059 R)
• M2: 268,977 km (0.105 R)
• M3: 533,765 km (0.073 R)
• M4: 610,060 km (0.082 R)
• M5: 854,802 km (0.11 R)
• M6: 989,590 km (0.096 R)
• M7: 1,258,118 km (0.089 R)
• M8: 1,340,995 km (0.106 R)
• M9: 1,550,432 km (0.111 R)
• M10: 1,639,892 km (0.084 R)
• M11: 1,770,940 km (0.056 R)
• M12: 1,919,191 km (0.106 R)
• M13: 2,344,947 km (0.099 R)
• M14: 2,433,658 km (0.086 R)
• M15: 2,538,825 km (0.107 R)
• M16: 2,863,154 km (0.1 R)
• M17: 2,974,305 km (0.102 R)
• M18: 3,135,571 km (0.095 R)
• M19: 3,827,462 km (0.117 R)
• M20: 4,922,967 km (0.085 R)
• M21: 5,114,602 km (0.057 R)
• M22: 5,308,780 km (0.099 R)
• M23: 5,905,825 km (0.102 R)
• M24: 6,233,145 km (0.057 R)
• M25: 6,587,393 km (0.066 R)
• M26: 6,756,438 km (0.071 R)
• M27: 7,055,784 km (0.117 R)
• M28: 7,142,102 km (0.104 R)
• M29: 7,315,785 km (0.077 R)
• M30: 7,645,199 km (0.095 R)
• M31: 7,778,341 km (0.107 R)
• M32: 8,364,466 km (0.114 R)
• M33: 8,501,647 km (0.109 R)
• M34: 8,755,365 km (0.099 R)
• M35: 9,128,761 km (0.103 R)
• M36: 9,246,495 km (0.093 R)
• M37: 9,483,607 km (0.045 R)
• M38: 9,770,835 km (0.071 R)
• M39: 10,182,529 km (0.059 R)
• M40: 10,748,607 km (0.064 R)
• M41: 11,477,149 km (0.078 R)
• M42: 11,553,444 km (0.104 R)
• M43: 11,655,320 km (0.115 R)
• M44: 11,885,850 km (0.114 R)
• M45: 12,299,488 km (0.113 R)
• M46: 12,534,207 km (0.117 R)
• M47: 13,300,597 km (0.096 R)
• M48: 13,649,011 km (0.093 R)
• M49: 13,783,948 km (0.047 R)
• M50: 14,629,924 km (0.091 R)
• M51: 15,017,532 km (0.076 R)
• M52: 15,268,407 km (0.094 R)
• M53: 15,436,555 km (0.03 R)
• M54: 15,802,771 km (0.095 R)
• M55: 16,200,552 km (0.118 R)
• M56: 18,446,315 km (0.096 R)
• M57: 18,565,545 km (0.112 R)
• M58: 18,655,303 km (0.071 R)
• M59: 19,286,905 km (0.112 R)
• M60: 19,895,021 km (0.085 R)
• M61: 20,017,392 km (0.102 R)
• M62: 20,170,730 km (0.114 R)
• M63: 20,540,386 km (0.088 R)
• M64: 20,757,004 km (0.064 R)
• M65: 20,850,054 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.6

Radius: 4.4

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.23 AU - 7.83 AU

Year: 10774 Days

Day: 21.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 73,249,669 km

• M1: 111,002 km (0.118 R)
• M2: 248,332 km (0.112 R)
• M3: 295,905 km (0.099 R)
• M4: 335,249 km (0.076 R)
• M5: 524,939 km (0.046 R)
• M6: 623,973 km (0.119 R)
• M7: 1,413,849 km (0.069 R)
• M8: 1,716,785 km (0.078 R)
• M9: 1,790,238 km (0.119 R)
• M10: 2,299,170 km (0.062 R)
• M11: 2,629,631 km (0.097 R)
• M12: 2,738,987 km (0.087 R)
• M13: 2,862,256 km (0.027 R)
• M14: 2,924,638 km (0.111 R)
• M15: 2,962,337 km (0.091 R)
• M16: 3,088,897 km (0.098 R)
• M17: 3,347,402 km (0.114 R)
• M18: 3,857,531 km (0.117 R)
• M19: 4,434,829 km (0.084 R)
• M20: 4,478,063 km (0.115 R)
• M21: 4,844,278 km (0.077 R)
• M22: 4,874,048 km (0.098 R)
• M23: 5,373,107 km (0.085 R)
• M24: 6,402,938 km (0.113 R)
• M25: 6,632,571 km (0.091 R)
• M26: 7,252,505 km (0.075 R)
• M27: 7,474,658 km (0.112 R)
• M28: 7,751,114 km (0.091 R)
• M29: 8,385,409 km (0.111 R)
• M30: 8,926,655 km (0.085 R)
• M31: 9,091,212 km (0.067 R)
• M32: 9,404,769 km (0.112 R)
• M33: 9,815,864 km (0.042 R)
• M34: 9,872,412 km (0.068 R)
• M35: 10,080,653 km (0.047 R)
• M36: 10,405,130 km (0.094 R)
• M37: 10,578,365 km (0.119 R)
• M38: 10,733,049 km (0.088 R)
• M39: 12,118,924 km (0.063 R)
• M40: 12,729,732 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 978.8

Radius: 4.5

Gravity: 48.34 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.9 AU - 8.96 AU

Year: 15804 Days

Day: 21 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 73,249,669 km

• M1: 164,408 km (0.094 R)
• M2: 262,993 km (0.119 R)
• M3: 311,313 km (0.05 R)
• M4: 494,720 km (0.08 R)
• M5: 555,906 km (0.094 R)
• M6: 1,000,062 km (0.109 R)
• M7: 1,499,569 km (0.099 R)
• M8: 2,131,770 km (0.11 R)
• M9: 2,836,226 km (0.038 R)
• M10: 3,136,619 km (0.068 R)
• M11: 3,368,645 km (0.112 R)
• M12: 4,784,290 km (0.114 R)
• M13: 5,006,293 km (0.098 R)
• M14: 5,552,624 km (0.09 R)
• M15: 5,599,000 km (0.104 R)
• M16: 5,739,023 km (0.118 R)
• M17: 5,974,789 km (0.103 R)
• M18: 7,608,697 km (0.114 R)
• M19: 7,763,830 km (0.106 R)
• M20: 7,972,071 km (0.108 R)
• M21: 8,341,128 km (0.092 R)
• M22: 8,394,236 km (0.098 R)
• M23: 8,447,493 km (0.033 R)
• M24: 8,986,494 km (0.109 R)
• M25: 9,425,563 km (0.108 R)
• M26: 10,668,871 km (0.073 R)
• M27: 11,133,672 km (0.093 R)
• M28: 11,427,482 km (0.117 R)
• M29: 11,486,573 km (0.097 R)
• M30: 11,605,055 km (0.08 R)
• M31: 11,783,525 km (0.036 R)
• M32: 14,311,430 km (0.061 R)
• M33: 15,865,752 km (0.109 R)
• M34: 16,262,635 km (0.077 R)
• M35: 16,329,206 km (0.101 R)
• M36: 17,133,743 km (0.092 R)
• M37: 17,745,748 km (0.114 R)
• M38: 18,019,961 km (0.078 R)
• M39: 18,364,784 km (0.039 R)
• M40: 20,121,063 km (0.113 R)
• M41: 20,478,752 km (0.077 R)
• M42: 21,930,300 km (0.089 R)
• M43: 22,594,215 km (0.113 R)
• M44: 23,339,661 km (0.119 R)
• M45: 24,778,045 km (0.107 R)
• M46: 25,084,571 km (0.041 R)
• M47: 25,856,197 km (0.104 R)
• M48: 26,713,991 km (0.095 R)
• M49: 27,343,798 km (0.106 R)
• M50: 28,217,599 km (0.094 R)
• M51: 28,617,773 km (0.053 R)
• M52: 29,261,942 km (0.038 R)
• M53: 29,423,807 km (0.096 R)
• M54: 29,911,047 km (0.12 R)
• M55: 31,058,164 km (0.07 R)
• M56: 31,305,898 km (0.106 R)
• M57: 31,388,476 km (0.116 R)
• M58: 31,720,134 km (0.088 R)
• M59: 32,219,641 km (0.079 R)
• M60: 33,226,435 km (0.111 R)
• M61: 33,564,377 km (0.111 R)
• M62: 33,733,721 km (0.094 R)
• M63: 33,903,365 km (0.104 R)
• M64: 34,243,551 km (0.098 R)
• M65: 36,221,384 km (0.038 R)
• M66: 37,005,427 km (0.073 R)
• M67: 37,443,300 km (0.105 R)
• M68: 37,882,968 km (0.071 R)
• M69: 40,286,707 km (0.082 R)
• M70: 40,466,673 km (0.065 R)
• M71: 44,866,197 km (0.037 R)
• M72: 46,932,592 km (0.06 R)
• M73: 48,934,062 km (0.051 R)
• M74: 49,993,364 km (0.088 R)
• M75: 50,574,403 km (0.083 R)
• M76: 51,157,685 km (0.106 R)
• M77: 51,645,523 km (0.088 R)
• M78: 51,743,211 km (0.107 R)
• M79: 52,527,403 km (0.108 R)
• M80: 54,008,122 km (0.064 R)
• M81: 54,903,167 km (0.059 R)
• M82: 55,202,661 km (0.062 R)
• M83: 55,402,524 km (0.107 R)
• M84: 56,305,198 km (0.036 R)
• M85: 57,516,342 km (0.101 R)
• M86: 57,820,325 km (0.103 R)
• M87: 58,940,065 km (0.086 R)
• M88: 60,272,533 km (0.116 R)
• M89: 60,890,821 km (0.107 R)
• M90: 61,822,218 km (0.081 R)
• M91: 62,966,941 km (0.025 R)
• M92: 63,280,348 km (0.045 R)
• M93: 64,118,695 km (0.029 R)
• M94: 64,328,880 km (0.104 R)
• M95: 69,872,677 km (0.077 R)
• M96: 72,373,056 km (0.033 R)
• M97: 72,920,584 km (0.093 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 14,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit