🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.1

Radius: 13

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.54 AU - 0.66 AU

Year: 321 Days

Day: 14.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,936,528 km

• M1: 163,361 km (0.084 R)
• M2: 245,789 km (0.072 R)
• M3: 345,571 km (0.111 R)
• M4: 444,006 km (0.073 R)
• M5: 579,841 km (0.068 R)
• M6: 769,083 km (0.106 R)
• M7: 857,495 km (0.091 R)
• M8: 987,196 km (0.102 R)
• M9: 1,070,672 km (0.098 R)
• M10: 1,156,840 km (0.095 R)
• M11: 1,332,767 km (0.117 R)
• M12: 1,445,863 km (0.084 R)
• M13: 1,595,312 km (0.038 R)
• M14: 1,678,339 km (0.108 R)
• M15: 1,910,215 km (0.054 R)
• M16: 2,043,657 km (0.102 R)
• M17: 2,194,152 km (0.068 R)
• M18: 2,291,839 km (0.114 R)
• M19: 2,438,894 km (0.11 R)
• M20: 2,559,919 km (0.089 R)
• M21: 2,643,394 km (0.065 R)
• M22: 2,798,079 km (0.101 R)
• M23: 2,914,765 km (0.083 R)
• M24: 3,002,130 km (0.076 R)
• M25: 3,085,157 km (0.115 R)
• M26: 3,200,497 km (0.082 R)
• M27: 3,441,349 km (0.109 R)
• M28: 3,654,826 km (0.083 R)
• M29: 3,782,881 km (0.096 R)
• M30: 3,906,748 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.4

Radius: 8.8

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.61 AU - 0.81 AU

Year: 413 Days

Day: 12 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 49,936,528 km

• M1: 109,954 km (0.073 R)
• M2: 186,698 km (0.081 R)
• M3: 249,080 km (0.077 R)
• M4: 305,928 km (0.097 R)
• M5: 381,026 km (0.075 R)
• M6: 437,574 km (0.081 R)
• M7: 521,648 km (0.082 R)
• M8: 608,415 km (0.117 R)
• M9: 672,891 km (0.05 R)
• M10: 826,528 km (0.077 R)
• M11: 938,577 km (0.112 R)
• M12: 1,005,597 km (0.065 R)
• M13: 1,135,149 km (0.104 R)
• M14: 1,241,064 km (0.115 R)
• M15: 1,315,264 km (0.104 R)
• M16: 1,552,228 km (0.1 R)
• M17: 1,730,847 km (0.064 R)
• M18: 1,808,638 km (0.085 R)
• M19: 1,933,403 km (0.099 R)
• M20: 2,161,540 km (0.116 R)
• M21: 2,343,151 km (0.086 R)
• M22: 2,398,503 km (0.053 R)
• M23: 2,485,718 km (0.108 R)
• M24: 2,650,425 km (0.077 R)
• M25: 2,747,066 km (0.118 R)
• M26: 2,838,470 km (0.05 R)
• M27: 2,910,875 km (0.062 R)
• M28: 2,984,029 km (0.104 R)
• M29: 3,105,053 km (0.082 R)
• M30: 3,248,219 km (0.084 R)
• M31: 3,317,183 km (0.066 R)
• M32: 3,393,628 km (0.074 R)
• M33: 3,477,702 km (0.097 R)
• M34: 3,548,312 km (0.091 R)
• M35: 3,857,531 km (0.12 R)
• M36: 4,138,027 km (0.084 R)
• M37: 4,205,346 km (0.094 R)
• M38: 4,303,482 km (0.069 R)
• M39: 4,417,476 km (0.11 R)
• M40: 4,571,113 km (0.109 R)
• M41: 4,671,942 km (0.117 R)
• M42: 4,899,629 km (0.117 R)
• M43: 4,963,059 km (0.051 R)
• M44: 5,074,809 km (0.038 R)
• M45: 5,571,174 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.9

Radius: 13.3

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.01 AU - 1.67 AU

Year: 1071 Days

Day: 13.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 49,936,528 km

• M1: 189,840 km (0.057 R)
• M2: 276,606 km (0.114 R)
• M3: 403,166 km (0.115 R)
• M4: 523,892 km (0.108 R)
• M5: 704,456 km (0.059 R)
• M6: 831,016 km (0.106 R)
• M7: 1,124,527 km (0.046 R)
• M8: 1,243,607 km (0.064 R)
• M9: 1,358,648 km (0.104 R)
• M10: 1,469,051 km (0.117 R)
• M11: 1,556,117 km (0.066 R)
• M12: 1,654,104 km (0.105 R)
• M13: 1,819,110 km (0.053 R)
• M14: 1,980,077 km (0.081 R)
• M15: 2,077,166 km (0.102 R)
• M16: 2,316,822 km (0.08 R)
• M17: 2,513,095 km (0.071 R)
• M18: 2,725,823 km (0.112 R)
• M19: 2,812,590 km (0.094 R)
• M20: 3,033,695 km (0.074 R)
• M21: 3,123,753 km (0.098 R)
• M22: 3,237,747 km (0.094 R)
• M23: 3,635,677 km (0.116 R)
• M24: 3,877,128 km (0.073 R)
• M25: 4,098,982 km (0.072 R)
• M26: 4,312,607 km (0.102 R)
• M27: 4,516,958 km (0.109 R)
• M28: 4,685,405 km (0.044 R)
• M29: 4,842,633 km (0.088 R)
• M30: 5,028,583 km (0.12 R)
• M31: 5,162,772 km (0.069 R)
• M32: 5,298,158 km (0.076 R)
• M33: 5,407,365 km (0.114 R)
• M34: 5,600,346 km (0.06 R)
• M35: 5,795,571 km (0.055 R)
• M36: 5,894,007 km (0.076 R)
• M37: 6,192,903 km (0.089 R)
• M38: 6,336,966 km (0.077 R)
• M39: 6,761,225 km (0.095 R)
• M40: 7,014,195 km (0.1 R)
• M41: 7,104,253 km (0.09 R)
• M42: 7,407,189 km (0.093 R)
• M43: 7,652,679 km (0.074 R)
• M44: 7,900,862 km (0.091 R)
• M45: 8,136,030 km (0.105 R)
• M46: 8,790,520 km (0.057 R)
• M47: 8,936,378 km (0.116 R)
• M48: 9,083,134 km (0.091 R)
• M49: 9,197,875 km (0.106 R)
• M50: 9,329,671 km (0.117 R)
• M51: 9,478,521 km (0.099 R)
• M52: 9,845,933 km (0.115 R)
• M53: 9,980,721 km (0.108 R)
• M54: 10,200,929 km (0.082 R)
• M55: 10,543,060 km (0.092 R)
• M56: 10,784,810 km (0.101 R)
• M57: 10,993,499 km (0.094 R)
• M58: 11,080,864 km (0.106 R)
• M59: 11,521,130 km (0.085 R)
• M60: 11,627,644 km (0.08 R)
• M61: 11,752,259 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.7

Radius: 9.9

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4 AU - 4.58 AU

Year: 6133 Days

Day: 12 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 49,936,528 km

• M1: 477,068 km (0.062 R)
• M2: 642,822 km (0.108 R)
• M3: 759,957 km (0.078 R)
• M4: 856,448 km (0.086 R)
• M5: 957,277 km (0.068 R)
• M6: 1,401,882 km (0.114 R)
• M7: 1,792,930 km (0.113 R)
• M8: 2,672,566 km (0.115 R)
• M9: 2,736,893 km (0.046 R)
• M10: 2,801,819 km (0.117 R)
• M11: 2,999,587 km (0.071 R)
• M12: 3,201,993 km (0.053 R)
• M13: 3,293,547 km (0.072 R)
• M14: 3,385,849 km (0.07 R)
• M15: 3,763,882 km (0.109 R)
• M16: 3,909,142 km (0.083 R)
• M17: 4,056,346 km (0.095 R)
• M18: 4,560,341 km (0.106 R)
• M19: 4,663,414 km (0.074 R)
• M20: 4,977,720 km (0.074 R)
• M21: 5,516,870 km (0.104 R)
• M22: 5,599,299 km (0.113 R)
• M23: 5,737,677 km (0.106 R)
• M24: 6,767,508 km (0.117 R)
• M25: 7,333,886 km (0.113 R)
• M26: 8,102,221 km (0.074 R)
• M27: 8,227,584 km (0.087 R)
• M28: 9,155,390 km (0.059 R)
• M29: 9,582,043 km (0.064 R)
• M30: 10,488,905 km (0.073 R)
• M31: 10,728,561 km (0.085 R)
• M32: 12,818,892 km (0.099 R)
• M33: 13,444,211 km (0.106 R)
• M34: 13,816,560 km (0.103 R)
• M35: 15,031,145 km (0.087 R)
• M36: 16,121,714 km (0.046 R)
• M37: 17,157,081 km (0.062 R)
• M38: 17,399,130 km (0.078 R)
• M39: 17,682,768 km (0.071 R)
• M40: 18,009,040 km (0.083 R)
• M41: 18,625,982 km (0.078 R)
• M42: 18,750,148 km (0.049 R)
• M43: 18,833,175 km (0.092 R)
• M44: 18,916,202 km (0.075 R)
• M45: 18,999,528 km (0.107 R)
• M46: 19,291,693 km (0.077 R)
• M47: 19,375,467 km (0.116 R)
• M48: 19,627,540 km (0.036 R)
• M49: 20,050,004 km (0.055 R)
• M50: 20,304,919 km (0.042 R)
• M51: 20,518,096 km (0.068 R)
• M52: 21,378,583 km (0.085 R)
• M53: 21,552,116 km (0.102 R)
• M54: 21,726,099 km (0.088 R)
• M55: 22,163,074 km (0.064 R)
• M56: 22,294,720 km (0.07 R)
• M57: 22,382,684 km (0.092 R)
• M58: 22,603,041 km (0.114 R)
• M59: 22,868,428 km (0.084 R)
• M60: 23,001,421 km (0.11 R)
• M61: 24,391,334 km (0.055 R)
• M62: 24,709,080 km (0.12 R)
• M63: 24,891,141 km (0.111 R)
• M64: 24,982,396 km (0.036 R)
• M65: 25,348,312 km (0.113 R)
• M66: 25,670,097 km (0.089 R)
• M67: 25,900,777 km (0.12 R)
• M68: 26,178,431 km (0.1 R)
• M69: 26,410,606 km (0.118 R)
• M70: 26,503,656 km (0.088 R)
• M71: 26,643,381 km (0.116 R)
• M72: 27,865,147 km (0.06 R)
• M73: 28,149,682 km (0.051 R)
• M74: 28,913,080 km (0.101 R)
• M75: 29,441,908 km (0.079 R)
• M76: 29,586,719 km (0.087 R)
• M77: 30,655,745 km (0.097 R)
• M78: 30,949,406 km (0.044 R)
• M79: 31,096,760 km (0.082 R)
• M80: 31,244,114 km (0.105 R)
• M81: 31,391,767 km (0.091 R)
• M82: 33,483,743 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.5

Radius: 12.4

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.09 AU - 5.17 AU

Year: 6877 Days

Day: 8.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 49,936,528 km

• M1: 157,078 km (0.081 R)
• M2: 356,791 km (0.12 R)
• M3: 445,802 km (0.1 R)
• M4: 693,835 km (0.066 R)
• M5: 813,513 km (0.082 R)
• M6: 931,696 km (0.072 R)
• M7: 1,165,966 km (0.062 R)
• M8: 1,398,142 km (0.117 R)
• M9: 1,565,392 km (0.036 R)
• M10: 1,657,395 km (0.063 R)
• M11: 1,834,967 km (0.095 R)
• M12: 1,969,456 km (0.102 R)
• M13: 2,081,954 km (0.11 R)
• M14: 2,313,681 km (0.111 R)
• M15: 2,526,858 km (0.08 R)
• M16: 2,704,879 km (0.109 R)
• M17: 2,972,809 km (0.101 R)
• M18: 3,175,813 km (0.036 R)
• M19: 3,323,616 km (0.102 R)
• M20: 3,519,290 km (0.119 R)
• M21: 3,703,445 km (0.106 R)
• M22: 3,812,352 km (0.096 R)
• M23: 3,938,164 km (0.099 R)
• M24: 4,049,315 km (0.028 R)
• M25: 4,372,895 km (0.062 R)
• M26: 4,571,113 km (0.089 R)
• M27: 4,721,758 km (0.08 R)
• M28: 5,411,404 km (0.108 R)
• M29: 5,588,827 km (0.097 R)
• M30: 5,714,190 km (0.067 R)
• M31: 5,822,349 km (0.059 R)
• M32: 5,949,507 km (0.12 R)
• M33: 6,077,563 km (0.084 R)
• M34: 6,206,516 km (0.06 R)
• M35: 6,429,716 km (0.084 R)
• M36: 6,788,602 km (0.116 R)
• M37: 6,903,343 km (0.114 R)
• M38: 7,329,548 km (0.049 R)
• M39: 7,486,625 km (0.077 R)
• M40: 7,724,486 km (0.095 R)
• M41: 8,106,110 km (0.091 R)
• M42: 8,309,414 km (0.102 R)
• M43: 8,638,379 km (0.053 R)
• M44: 8,950,740 km (0.116 R)
• M45: 9,372,905 km (0.104 R)
• M46: 9,479,419 km (0.117 R)
• M47: 9,607,923 km (0.062 R)
• M48: 9,736,877 km (0.085 R)
• M49: 10,018,420 km (0.043 R)
• M50: 10,324,497 km (0.11 R)
• M51: 10,879,056 km (0.065 R)
• M52: 10,968,665 km (0.025 R)
• M53: 11,171,221 km (0.09 R)
• M54: 11,465,929 km (0.026 R)
• M55: 11,740,441 km (0.062 R)
• M56: 12,506,232 km (0.106 R)
• M57: 12,623,667 km (0.107 R)
• M58: 13,745,651 km (0.11 R)
• M59: 14,134,904 km (0.112 R)
• M60: 16,160,609 km (0.064 R)
• M61: 16,674,777 km (0.051 R)
• M62: 16,907,851 km (0.074 R)
• M63: 16,985,791 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.9

Radius: 10

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.88 AU - 5.22 AU

Year: 7833 Days

Day: 9.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 49,936,528 km

• M1: 199,264 km (0.119 R)
• M2: 378,782 km (0.09 R)
• M3: 499,358 km (0.087 R)
• M4: 565,181 km (0.092 R)
• M5: 642,373 km (0.095 R)
• M6: 732,132 km (0.068 R)
• M7: 943,514 km (0.113 R)
• M8: 1,194,988 km (0.11 R)
• M9: 1,297,612 km (0.084 R)
• M10: 1,726,359 km (0.104 R)
• M11: 1,926,671 km (0.099 R)
• M12: 2,247,858 km (0.093 R)
• M13: 2,761,577 km (0.082 R)
• M14: 3,166,837 km (0.082 R)
• M15: 3,282,028 km (0.082 R)
• M16: 3,606,057 km (0.039 R)
• M17: 3,696,264 km (0.119 R)
• M18: 4,064,425 km (0.106 R)
• M19: 4,460,709 km (0.069 R)
• M20: 5,052,967 km (0.045 R)
• M21: 5,137,191 km (0.056 R)
• M22: 5,635,202 km (0.069 R)
• M23: 6,005,457 km (0.051 R)
• M24: 6,130,670 km (0.101 R)
• M25: 6,529,797 km (0.056 R)
• M26: 6,843,953 km (0.098 R)
• M27: 7,049,949 km (0.05 R)
• M28: 7,487,224 km (0.11 R)
• M29: 7,992,266 km (0.091 R)
• M30: 8,268,873 km (0.103 R)
• M31: 8,851,556 km (0.094 R)
• M32: 9,364,677 km (0.056 R)
• M33: 9,551,824 km (0.086 R)
• M34: 9,698,131 km (0.078 R)
• M35: 10,333,922 km (0.084 R)
• M36: 10,419,791 km (0.07 R)
• M37: 10,895,811 km (0.119 R)
• M38: 11,202,637 km (0.085 R)
• M39: 11,268,609 km (0.102 R)
• M40: 11,489,864 km (0.096 R)
• M41: 11,668,036 km (0.116 R)
• M42: 11,891,834 km (0.091 R)
• M43: 12,184,896 km (0.106 R)
• M44: 12,549,017 km (0.113 R)
• M45: 12,617,683 km (0.09 R)
• M46: 12,778,351 km (0.095 R)
• M47: 12,985,993 km (0.096 R)
• M48: 13,287,881 km (0.064 R)
• M49: 14,159,887 km (0.084 R)
• M50: 14,662,985 km (0.076 R)
• M51: 15,269,455 km (0.096 R)
• M52: 16,057,835 km (0.081 R)
• M53: 16,356,882 km (0.077 R)
• M54: 16,808,966 km (0.073 R)
• M55: 16,935,227 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.8

Radius: 4.7

Gravity: 18.23 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.7 AU - 8.08 AU

Year: 13867 Days

Day: 20.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 49,936,528 km

• M1: 59,989 km (0.036 R)
• M2: 141,071 km (0.062 R)
• M3: 189,092 km (0.081 R)
• M4: 279,748 km (0.113 R)
• M5: 385,065 km (0.099 R)
• M6: 534,513 km (0.089 R)
• M7: 632,949 km (0.114 R)
• M8: 847,173 km (0.108 R)
• M9: 1,022,053 km (0.083 R)
• M10: 1,082,939 km (0.106 R)
• M11: 1,124,228 km (0.098 R)
• M12: 1,208,302 km (0.113 R)
• M13: 1,707,211 km (0.05 R)
• M14: 1,755,531 km (0.078 R)
• M15: 2,080,158 km (0.073 R)
• M16: 2,423,336 km (0.053 R)
• M17: 2,505,016 km (0.037 R)
• M18: 2,898,309 km (0.108 R)
• M19: 2,985,076 km (0.094 R)
• M20: 3,072,740 km (0.064 R)
• M21: 3,462,443 km (0.095 R)
• M22: 3,867,554 km (0.055 R)
• M23: 4,221,951 km (0.046 R)
• M24: 4,519,651 km (0.066 R)
• M25: 4,553,161 km (0.069 R)
• M26: 4,654,139 km (0.111 R)
• M27: 4,824,232 km (0.065 R)
• M28: 5,524,350 km (0.097 R)
• M29: 5,813,224 km (0.103 R)
• M30: 6,107,034 km (0.095 R)
• M31: 6,556,875 km (0.093 R)
• M32: 6,632,870 km (0.067 R)
• M33: 7,017,337 km (0.06 R)
• M34: 8,131,691 km (0.07 R)
• M35: 8,336,341 km (0.068 R)
• M36: 10,253,887 km (0.117 R)
• M37: 11,193,212 km (0.088 R)
• M38: 11,329,645 km (0.1 R)
• M39: 11,512,454 km (0.113 R)
• M40: 11,834,688 km (0.11 R)
• M41: 11,880,913 km (0.1 R)
• M42: 12,629,501 km (0.095 R)
• M43: 13,393,049 km (0.113 R)
• M44: 13,586,329 km (0.114 R)
• M45: 13,878,045 km (0.095 R)
• M46: 14,914,758 km (0.098 R)
• M47: 15,115,070 km (0.108 R)
• M48: 16,284,027 km (0.11 R)
• M49: 18,117,948 km (0.067 R)
• M50: 18,171,354 km (0.115 R)
• M51: 20,737,107 km (0.111 R)
• M52: 21,692,738 km (0.073 R)
• M53: 22,261,510 km (0.053 R)
• M54: 23,297,624 km (0.081 R)
• M55: 24,526,272 km (0.109 R)
• M56: 24,703,545 km (0.068 R)
• M57: 26,499,019 km (0.118 R)
• M58: 26,680,930 km (0.076 R)
• M59: 27,596,469 km (0.084 R)
• M60: 27,842,258 km (0.096 R)
• M61: 28,708,579 km (0.115 R)
• M62: 28,957,660 km (0.116 R)
• M63: 29,082,574 km (0.09 R)
• M64: 29,332,702 km (0.118 R)
• M65: 29,520,896 km (0.072 R)
• M66: 29,646,558 km (0.081 R)
• M67: 30,214,132 km (0.053 R)
• M68: 30,467,551 km (0.074 R)
• M69: 31,873,771 km (0.045 R)
• M70: 32,325,706 km (0.078 R)
• M71: 32,455,258 km (0.066 R)
• M72: 32,649,735 km (0.105 R)
• M73: 33,170,485 km (0.086 R)
• M74: 33,301,234 km (0.027 R)
• M75: 36,083,455 km (0.04 R)
• M76: 37,434,324 km (0.103 R)
• M77: 37,502,241 km (0.054 R)
• M78: 38,252,624 km (0.043 R)
• M79: 38,595,503 km (0.032 R)
• M80: 39,008,094 km (0.106 R)
• M81: 40,394,118 km (0.114 R)
• M82: 41,655,228 km (0.088 R)
• M83: 42,432,389 km (0.052 R)
• M84: 42,645,117 km (0.114 R)
• M85: 43,000,412 km (0.052 R)
• M86: 43,356,904 km (0.114 R)
• M87: 43,857,458 km (0.066 R)
• M88: 46,827,425 km (0.066 R)
• M89: 47,782,607 km (0.067 R)
• M90: 47,930,111 km (0.103 R)
• M91: 48,670,022 km (0.1 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 15,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit