🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.49 AU - 0.67 AU

Year: 196 Days

Day: 20.8 Hours

Environment

Temp: 1 °C

Axial Tilt: 33 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.77 AU - 1.01 AU

Year: 372 Days

Day: 27.2 Hours

Environment

Temp: -50 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,789,284 km

• M1: 306,975 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.81 AU - 1.21 AU

Year: 450 Days

Day: 22.9 Hours

Environment

Temp: -74 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,789,284 km

• M1: 533,915 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.79 AU - 1.23 AU

Year: 450 Days

Day: 35.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.89 AU - 1.19 AU

Year: 470 Days

Day: 42.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 41,789,284 km

• M1: 698,173 km (0.101 R)
• M2: 768,484 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.1

Radius: 14.7

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.35 AU - 4.16 AU

Year: 3216 Days

Day: 13 Hours

Environment

Temp: -166 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 41,789,284 km

• M1: 388,506 km (0.095 R)
• M2: 659,128 km (0.078 R)
• M3: 906,413 km (0.08 R)
• M4: 1,068,428 km (0.059 R)
• M5: 1,218,774 km (0.108 R)
• M6: 1,353,861 km (0.116 R)
• M7: 1,494,184 km (0.094 R)
• M8: 1,590,674 km (0.106 R)
• M9: 1,816,118 km (0.088 R)
• M10: 1,945,969 km (0.073 R)
• M11: 2,271,045 km (0.08 R)
• M12: 2,383,393 km (0.065 R)
• M13: 3,004,524 km (0.065 R)
• M14: 3,097,424 km (0.108 R)
• M15: 3,527,368 km (0.084 R)
• M16: 3,641,960 km (0.107 R)
• M17: 3,942,652 km (0.101 R)
• M18: 4,766,188 km (0.084 R)
• M19: 4,911,747 km (0.049 R)
• M20: 5,132,703 km (0.069 R)
• M21: 5,357,249 km (0.083 R)
• M22: 6,267,403 km (0.099 R)
• M23: 6,710,063 km (0.1 R)
• M24: 6,853,078 km (0.062 R)
• M25: 7,246,371 km (0.067 R)
• M26: 7,498,593 km (0.098 R)
• M27: 7,625,901 km (0.071 R)
• M28: 7,753,807 km (0.102 R)
• M29: 7,968,630 km (0.072 R)
• M30: 8,251,071 km (0.119 R)
• M31: 8,360,427 km (0.103 R)
• M32: 8,580,934 km (0.107 R)
• M33: 8,892,696 km (0.068 R)
• M34: 9,276,414 km (0.096 R)
• M35: 9,390,408 km (0.075 R)
• M36: 9,688,706 km (0.094 R)
• M37: 10,083,644 km (0.116 R)
• M38: 10,294,877 km (0.09 R)
• M39: 10,507,605 km (0.037 R)
• M40: 10,721,829 km (0.064 R)
• M41: 10,865,443 km (0.089 R)
• M42: 11,154,466 km (0.027 R)
• M43: 11,421,797 km (0.09 R)
• M44: 11,814,492 km (0.1 R)
• M45: 12,161,559 km (0.071 R)
• M46: 12,411,687 km (0.042 R)
• M47: 12,663,460 km (0.1 R)
• M48: 12,815,451 km (0.104 R)
• M49: 13,609,816 km (0.116 R)
• M50: 13,765,547 km (0.085 R)
• M51: 13,999,967 km (0.091 R)
• M52: 14,314,871 km (0.061 R)
• M53: 14,579,060 km (0.094 R)
• M54: 14,685,125 km (0.058 R)
• M55: 15,004,966 km (0.059 R)
• M56: 15,139,005 km (0.082 R)
• M57: 15,489,214 km (0.118 R)
• M58: 15,733,208 km (0.088 R)
• M59: 16,060,528 km (0.083 R)
• M60: 16,638,874 km (0.098 R)
• M61: 16,861,026 km (0.086 R)
• M62: 17,140,176 km (0.094 R)
• M63: 17,280,200 km (0.114 R)
• M64: 17,392,548 km (0.03 R)
• M65: 17,646,266 km (0.085 R)
• M66: 18,071,872 km (0.051 R)
• M67: 18,615,809 km (0.12 R)
• M68: 19,107,089 km (0.032 R)
• M69: 19,310,692 km (0.098 R)
• M70: 19,485,721 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.2

Radius: 8.1

Gravity: 13.08 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.12 AU - 5.56 AU

Year: 4716 Days

Day: 12.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 41,789,284 km

• M1: 103,522 km (0.085 R)
• M2: 231,578 km (0.094 R)
• M3: 481,556 km (0.117 R)
• M4: 536,608 km (0.044 R)
• M5: 666,309 km (0.069 R)
• M6: 728,990 km (0.104 R)
• M7: 929,302 km (0.052 R)
• M8: 1,087,577 km (0.077 R)
• M9: 1,177,784 km (0.076 R)
• M10: 1,414,298 km (0.061 R)
• M11: 1,859,651 km (0.104 R)
• M12: 2,685,431 km (0.094 R)
• M13: 2,788,056 km (0.043 R)
• M14: 2,934,063 km (0.086 R)
• M15: 2,997,343 km (0.113 R)
• M16: 3,299,082 km (0.118 R)
• M17: 3,431,476 km (0.108 R)
• M18: 3,565,665 km (0.098 R)
• M19: 3,678,761 km (0.098 R)
• M20: 3,839,130 km (0.069 R)
• M21: 4,072,204 km (0.118 R)
• M22: 4,406,405 km (0.085 R)
• M23: 4,999,710 km (0.086 R)
• M24: 5,409,309 km (0.068 R)
• M25: 5,723,615 km (0.084 R)
• M26: 6,452,306 km (0.078 R)
• M27: 6,729,660 km (0.119 R)
• M28: 6,869,833 km (0.051 R)
• M29: 7,267,315 km (0.034 R)
• M30: 7,526,867 km (0.073 R)
• M31: 7,585,061 km (0.069 R)
• M32: 8,203,947 km (0.104 R)
• M33: 8,263,786 km (0.111 R)
• M34: 8,353,844 km (0.105 R)
• M35: 9,710,547 km (0.072 R)
• M36: 10,092,471 km (0.119 R)
• M37: 10,252,989 km (0.075 R)
• M38: 10,479,181 km (0.071 R)
• M39: 10,805,155 km (0.043 R)
• M40: 10,969,413 km (0.05 R)
• M41: 11,035,386 km (0.078 R)
• M42: 11,167,631 km (0.093 R)
• M43: 11,769,313 km (0.053 R)
• M44: 11,972,318 km (0.095 R)
• M45: 12,244,735 km (0.116 R)
• M46: 13,601,588 km (0.062 R)
• M47: 13,885,824 km (0.088 R)
• M48: 14,136,251 km (0.057 R)
• M49: 14,750,350 km (0.08 R)
• M50: 15,042,365 km (0.091 R)
• M51: 15,594,980 km (0.101 R)
• M52: 16,154,326 km (0.087 R)
• M53: 16,229,424 km (0.092 R)
• M54: 16,342,221 km (0.069 R)
• M55: 16,530,864 km (0.032 R)
• M56: 16,606,560 km (0.104 R)
• M57: 17,639,085 km (0.064 R)
• M58: 18,182,724 km (0.12 R)
• M59: 18,535,027 km (0.087 R)
• M60: 19,087,641 km (0.105 R)
• M61: 19,326,250 km (0.086 R)
• M62: 19,645,791 km (0.091 R)
• M63: 19,846,402 km (0.078 R)
• M64: 20,209,176 km (0.083 R)
• M65: 20,533,505 km (0.11 R)
• M66: 20,655,576 km (0.102 R)
• M67: 20,859,478 km (0.067 R)
• M68: 22,515,377 km (0.066 R)
• M69: 22,683,226 km (0.09 R)
• M70: 22,893,710 km (0.099 R)
• M71: 23,316,474 km (0.056 R)
• M72: 23,614,024 km (0.113 R)
• M73: 24,385,051 km (0.102 R)
• M74: 24,471,220 km (0.073 R)
• M75: 24,903,558 km (0.107 R)
• M76: 25,819,695 km (0.085 R)
• M77: 26,880,194 km (0.119 R)
• M78: 27,058,216 km (0.091 R)
• M79: 28,361,363 km (0.092 R)
• M80: 28,679,109 km (0.027 R)
• M81: 29,547,075 km (0.099 R)
• M82: 31,262,215 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.5

Radius: 11.9

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.28 AU - 8.12 AU

Year: 9464 Days

Day: 11.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 41,789,284 km

• M1: 166,502 km (0.099 R)
• M2: 258,206 km (0.075 R)
• M3: 683,961 km (0.075 R)
• M4: 1,088,325 km (0.051 R)
• M5: 1,445,714 km (0.085 R)
• M6: 1,804,001 km (0.105 R)
• M7: 1,929,663 km (0.046 R)
• M8: 2,133,415 km (0.097 R)
• M9: 2,482,128 km (0.113 R)
• M10: 2,724,925 km (0.084 R)
• M11: 2,954,408 km (0.055 R)
• M12: 3,146,941 km (0.095 R)
• M13: 3,635,079 km (0.114 R)
• M14: 3,934,873 km (0.09 R)
• M15: 4,123,366 km (0.093 R)
• M16: 4,339,086 km (0.04 R)
• M17: 4,706,947 km (0.114 R)
• M18: 5,446,709 km (0.064 R)
• M19: 5,578,056 km (0.062 R)
• M20: 6,140,843 km (0.081 R)
• M21: 6,637,807 km (0.115 R)
• M22: 6,862,952 km (0.049 R)
• M23: 7,407,638 km (0.11 R)
• M24: 7,553,346 km (0.115 R)
• M25: 7,847,456 km (0.118 R)
• M26: 8,025,926 km (0.112 R)
• M27: 8,295,950 km (0.106 R)
• M28: 10,107,431 km (0.109 R)
• M29: 11,057,676 km (0.045 R)
• M30: 11,865,654 km (0.105 R)
• M31: 12,002,088 km (0.101 R)
• M32: 12,657,775 km (0.118 R)
• M33: 13,113,001 km (0.114 R)
• M34: 13,254,222 km (0.077 R)
• M35: 14,039,760 km (0.104 R)
• M36: 15,918,410 km (0.108 R)
• M37: 16,561,980 km (0.078 R)
• M38: 16,906,205 km (0.076 R)
• M39: 17,252,823 km (0.107 R)
• M40: 18,227,902 km (0.042 R)
• M41: 19,824,859 km (0.107 R)
• M42: 21,134,589 km (0.042 R)
• M43: 21,633,049 km (0.098 R)
• M44: 21,967,400 km (0.045 R)
• M45: 22,261,360 km (0.097 R)
• M46: 22,853,319 km (0.076 R)
• M47: 23,364,794 km (0.119 R)
• M48: 24,703,695 km (0.093 R)
• M49: 24,834,443 km (0.078 R)
• M50: 25,845,575 km (0.09 R)
• M51: 26,111,560 km (0.077 R)
• M52: 26,245,002 km (0.025 R)
• M53: 26,915,051 km (0.114 R)
• M54: 27,049,689 km (0.116 R)
• M55: 28,226,575 km (0.081 R)
• M56: 28,683,597 km (0.06 R)
• M57: 29,096,935 km (0.103 R)
• M58: 29,929,747 km (0.057 R)
• M59: 30,676,689 km (0.095 R)
• M60: 31,005,355 km (0.11 R)
• M61: 31,476,888 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.4

Radius: 12.3

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 9.13 AU - 9.59 AU

Year: 12684 Days

Day: 14.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 41,789,284 km

• M1: 154,684 km (0.11 R)
• M2: 381,325 km (0.102 R)
• M3: 638,783 km (0.099 R)
• M4: 953,686 km (0.095 R)
• M5: 1,076,656 km (0.089 R)
• M6: 1,271,881 km (0.026 R)
• M7: 2,389,377 km (0.111 R)
• M8: 2,735,995 km (0.092 R)
• M9: 3,771,213 km (0.087 R)
• M10: 4,382,918 km (0.045 R)
• M11: 4,558,397 km (0.112 R)
• M12: 5,135,695 km (0.088 R)
• M13: 5,621,888 km (0.036 R)
• M14: 5,851,371 km (0.051 R)
• M15: 5,928,564 km (0.037 R)
• M16: 6,280,119 km (0.08 R)
• M17: 6,359,106 km (0.117 R)
• M18: 6,518,278 km (0.079 R)
• M19: 8,224,592 km (0.04 R)
• M20: 8,616,837 km (0.074 R)
• M21: 8,970,786 km (0.048 R)
• M22: 9,149,406 km (0.103 R)
• M23: 9,510,535 km (0.1 R)
• M24: 10,014,530 km (0.073 R)
• M25: 10,527,501 km (0.104 R)
• M26: 10,621,598 km (0.091 R)
• M27: 11,578,726 km (0.095 R)
• M28: 11,920,258 km (0.1 R)
• M29: 12,763,541 km (0.103 R)
• M30: 13,065,878 km (0.085 R)
• M31: 13,217,869 km (0.089 R)
• M32: 13,370,459 km (0.062 R)
• M33: 13,780,208 km (0.031 R)
• M34: 14,559,912 km (0.102 R)
• M35: 15,140,651 km (0.117 R)
• M36: 15,353,678 km (0.094 R)
• M37: 16,598,333 km (0.025 R)
• M38: 17,149,451 km (0.095 R)
• M39: 17,371,754 km (0.089 R)
• M40: 17,650,754 km (0.045 R)
• M41: 18,496,879 km (0.114 R)
• M42: 18,667,720 km (0.102 R)
• M43: 19,703,536 km (0.039 R)
• M44: 20,522,285 km (0.098 R)
• M45: 21,891,105 km (0.064 R)
• M46: 23,228,061 km (0.115 R)
• M47: 23,720,687 km (0.097 R)
• M48: 23,906,338 km (0.032 R)
• M49: 24,279,136 km (0.119 R)
• M50: 25,282,489 km (0.027 R)
• M51: 25,535,609 km (0.095 R)
• M52: 25,980,213 km (0.036 R)
• M53: 26,620,044 km (0.093 R)
• M54: 26,813,025 km (0.077 R)
• M55: 27,850,037 km (0.094 R)
• M56: 29,032,160 km (0.101 R)
• M57: 29,230,826 km (0.063 R)
• M58: 29,629,504 km (0.076 R)
• M59: 29,829,516 km (0.103 R)
• M60: 31,174,251 km (0.105 R)
• M61: 33,713,675 km (0.066 R)
• M62: 33,852,951 km (0.111 R)
• M63: 34,131,801 km (0.078 R)
• M64: 36,105,296 km (0.098 R)
• M65: 36,747,520 km (0.119 R)
• M66: 37,105,957 km (0.088 R)
• M67: 37,609,653 km (0.114 R)
• M68: 39,134,504 km (0.108 R)
• M69: 39,794,230 km (0.079 R)
• M70: 41,273,155 km (0.037 R)
• M71: 41,869,901 km (0.054 R)
• M72: 42,169,246 km (0.106 R)
• M73: 42,694,933 km (0.082 R)
• M74: 42,996,373 km (0.115 R)
• M75: 44,056,573 km (0.108 R)
• M76: 44,972,411 km (0.119 R)
• M77: 45,278,937 km (0.091 R)
• M78: 46,744,996 km (0.052 R)
• M79: 48,854,925 km (0.082 R)
• M80: 50,199,211 km (0.094 R)
• M81: 50,836,049 km (0.084 R)
• M82: 51,475,580 km (0.099 R)
• M83: 51,796,318 km (0.092 R)
• M84: 52,117,804 km (0.067 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.9

Radius: 3.4

Gravity: 18.16 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.08 AU - 12.58 AU

Year: 14706 Days

Day: 17.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 41,789,284 km

• M1: 61,634 km (0.108 R)
• M2: 134,788 km (0.087 R)
• M3: 292,613 km (0.081 R)
• M4: 625,469 km (0.081 R)
• M5: 1,022,501 km (0.093 R)
• M6: 1,226,254 km (0.067 R)
• M7: 1,462,618 km (0.039 R)
• M8: 1,777,671 km (0.065 R)
• M9: 1,865,186 km (0.107 R)
• M10: 1,954,047 km (0.054 R)
• M11: 2,182,483 km (0.052 R)
• M12: 2,323,554 km (0.106 R)
• M13: 2,917,009 km (0.089 R)
• M14: 3,364,157 km (0.075 R)
• M15: 3,581,971 km (0.058 R)
• M16: 4,350,156 km (0.086 R)
• M17: 4,981,459 km (0.1 R)
• M18: 5,964,467 km (0.092 R)
• M19: 6,360,602 km (0.115 R)
• M20: 6,427,473 km (0.039 R)
• M21: 6,595,621 km (0.102 R)
• M22: 6,799,373 km (0.073 R)
• M23: 7,178,155 km (0.086 R)
• M24: 7,282,724 km (0.092 R)
• M25: 7,493,208 km (0.06 R)
• M26: 7,884,406 km (0.097 R)
• M27: 7,992,266 km (0.04 R)
• M28: 8,282,187 km (0.054 R)
• M29: 8,797,851 km (0.053 R)
• M30: 9,059,647 km (0.113 R)
• M31: 10,209,905 km (0.058 R)
• M32: 11,162,844 km (0.089 R)
• M33: 11,568,104 km (0.077 R)
• M34: 11,937,012 km (0.053 R)
• M35: 12,518,649 km (0.114 R)
• M36: 13,365,223 km (0.097 R)
• M37: 13,450,943 km (0.069 R)
• M38: 14,099,300 km (0.044 R)
• M39: 14,890,673 km (0.09 R)
• M40: 16,013,554 km (0.109 R)
• M41: 16,104,660 km (0.041 R)
• M42: 16,700,358 km (0.073 R)
• M43: 17,443,411 km (0.114 R)
• M44: 19,638,909 km (0.064 R)
• M45: 19,833,835 km (0.092 R)
• M46: 19,882,754 km (0.084 R)
• M47: 19,931,672 km (0.111 R)
• M48: 20,029,509 km (0.109 R)
• M49: 20,669,788 km (0.107 R)
• M50: 21,166,752 km (0.06 R)
• M51: 21,768,435 km (0.099 R)
• M52: 21,919,678 km (0.086 R)
• M53: 22,223,212 km (0.085 R)
• M54: 22,375,653 km (0.114 R)
• M55: 23,814,036 km (0.069 R)
• M56: 24,074,037 km (0.074 R)
• M57: 24,491,864 km (0.097 R)
• M58: 25,282,040 km (0.116 R)
• M59: 25,547,277 km (0.055 R)
• M60: 25,760,005 km (0.118 R)
• M61: 26,617,201 km (0.039 R)
• M62: 26,671,206 km (0.074 R)
• M63: 28,194,711 km (0.038 R)
• M64: 28,856,232 km (0.081 R)
• M65: 28,911,584 km (0.066 R)
• M66: 29,801,990 km (0.078 R)
• M67: 30,588,576 km (0.079 R)
• M68: 30,645,124 km (0.106 R)
• M69: 31,552,884 km (0.111 R)
• M70: 32,469,619 km (0.032 R)
• M71: 32,642,405 km (0.064 R)
• M72: 32,757,745 km (0.105 R)
• M73: 32,873,384 km (0.111 R)
• M74: 33,569,313 km (0.091 R)
• M75: 34,211,687 km (0.034 R)
• M76: 34,387,614 km (0.099 R)
• M77: 34,505,048 km (0.106 R)
• M78: 34,799,157 km (0.11 R)
• M79: 34,975,982 km (0.1 R)
• M80: 35,745,962 km (0.087 R)
• M81: 36,641,156 km (0.115 R)
• M82: 37,423,104 km (0.114 R)
• M83: 38,453,833 km (0.098 R)
• M84: 38,819,899 km (0.115 R)
• M85: 39,432,503 km (0.064 R)
• M86: 40,667,134 km (0.097 R)
• M87: 41,538,990 km (0.072 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: 284 - 19,944 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit