🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.52 AU - 0.58 AU

Year: 142 Days

Day: 12.1 Hours

Environment

Temp: 256 °C

Axial Tilt: 21.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,836,917 km

• M1: 63,429 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.62 AU - 0.84 AU

Year: 217 Days

Day: 22.9 Hours

Environment

Temp: 141 °C

Axial Tilt: 5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 72,836,917 km

• M1: 93,349 km (0.084 R)
• M2: 257,907 km (0.036 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.65 AU - 0.81 AU

Year: 217 Days

Day: 16.9 Hours

Environment

Temp: 147 °C

Axial Tilt: 33.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.83 AU - 5.87 AU

Year: 3720 Days

Day: 20.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,836,917 km

• M1: 622,926 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.2

Radius: 12.8

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.11 AU - 6.71 AU

Year: 5004 Days

Day: 11.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 72,836,917 km

• M1: 177,722 km (0.117 R)
• M2: 348,413 km (0.097 R)
• M3: 452,833 km (0.109 R)
• M4: 540,647 km (0.105 R)
• M5: 660,475 km (0.114 R)
• M6: 800,049 km (0.052 R)
• M7: 911,799 km (0.083 R)
• M8: 1,019,509 km (0.1 R)
• M9: 1,152,801 km (0.115 R)
• M10: 1,472,193 km (0.111 R)
• M11: 1,895,405 km (0.108 R)
• M12: 2,194,002 km (0.116 R)
• M13: 2,328,790 km (0.06 R)
• M14: 2,592,531 km (0.097 R)
• M15: 2,822,463 km (0.031 R)
• M16: 2,999,288 km (0.092 R)
• M17: 3,149,484 km (0.106 R)
• M18: 3,473,363 km (0.103 R)
• M19: 3,711,374 km (0.107 R)
• M20: 4,004,137 km (0.119 R)
• M21: 4,491,676 km (0.079 R)
• M22: 4,612,402 km (0.112 R)
• M23: 4,716,522 km (0.052 R)
• M24: 4,874,347 km (0.095 R)
• M25: 5,087,674 km (0.113 R)
• M26: 5,231,587 km (0.119 R)
• M27: 5,358,596 km (0.098 R)
• M28: 5,597,204 km (0.103 R)
• M29: 5,858,253 km (0.097 R)
• M30: 6,862,653 km (0.063 R)
• M31: 7,692,023 km (0.097 R)
• M32: 7,795,395 km (0.069 R)
• M33: 8,171,185 km (0.075 R)
• M34: 8,703,006 km (0.055 R)
• M35: 8,832,408 km (0.11 R)
• M36: 9,005,941 km (0.067 R)
• M37: 9,158,531 km (0.105 R)
• M38: 9,510,984 km (0.047 R)
• M39: 9,688,706 km (0.046 R)
• M40: 9,890,214 km (0.088 R)
• M41: 10,047,741 km (0.118 R)
• M42: 10,160,837 km (0.094 R)
• M43: 10,319,860 km (0.087 R)
• M44: 10,434,003 km (0.096 R)
• M45: 10,778,975 km (0.026 R)
• M46: 10,871,576 km (0.088 R)
• M47: 11,338,621 km (0.1 R)
• M48: 12,027,519 km (0.093 R)
• M49: 12,292,457 km (0.077 R)
• M50: 12,413,482 km (0.069 R)
• M51: 12,754,565 km (0.056 R)
• M52: 13,421,173 km (0.073 R)
• M53: 13,545,788 km (0.071 R)
• M54: 13,695,984 km (0.07 R)
• M55: 13,821,497 km (0.116 R)
• M56: 14,124,283 km (0.106 R)
• M57: 14,302,005 km (0.05 R)
• M58: 14,557,070 km (0.072 R)
• M59: 14,710,856 km (0.078 R)
• M60: 14,813,780 km (0.034 R)
• M61: 15,175,657 km (0.117 R)
• M62: 15,357,568 km (0.103 R)
• M63: 15,802,621 km (0.116 R)
• M64: 16,786,078 km (0.06 R)
• M65: 16,920,417 km (0.086 R)
• M66: 17,298,750 km (0.057 R)
• M67: 17,488,889 km (0.097 R)
• M68: 17,597,946 km (0.118 R)
• M69: 18,728,157 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.8

Radius: 14

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.48 AU - 6.34 AU

Year: 5004 Days

Day: 7.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 72,836,917 km

• M1: 327,470 km (0.073 R)
• M2: 514,168 km (0.109 R)
• M3: 854,802 km (0.065 R)
• M4: 984,653 km (0.099 R)
• M5: 1,222,065 km (0.081 R)
• M6: 1,401,433 km (0.073 R)
• M7: 1,590,076 km (0.097 R)
• M8: 1,941,032 km (0.056 R)
• M9: 2,243,519 km (0.065 R)
• M10: 2,372,622 km (0.112 R)
• M11: 2,619,309 km (0.093 R)
• M12: 2,854,627 km (0.074 R)
• M13: 3,430,728 km (0.092 R)
• M14: 3,975,863 km (0.039 R)
• M15: 4,224,644 km (0.088 R)
• M16: 4,928,801 km (0.117 R)
• M17: 5,049,826 km (0.104 R)
• M18: 5,443,567 km (0.086 R)
• M19: 5,669,610 km (0.076 R)
• M20: 5,975,837 km (0.085 R)
• M21: 6,079,059 km (0.099 R)
• M22: 6,235,239 km (0.112 R)
• M23: 6,498,382 km (0.088 R)
• M24: 7,559,480 km (0.074 R)
• M25: 7,953,520 km (0.072 R)
• M26: 8,095,938 km (0.089 R)
• M27: 8,470,082 km (0.077 R)
• M28: 8,557,297 km (0.057 R)
• M29: 8,644,812 km (0.094 R)
• M30: 9,146,115 km (0.102 R)
• M31: 9,415,391 km (0.069 R)
• M32: 9,566,185 km (0.116 R)
• M33: 9,687,360 km (0.048 R)
• M34: 9,870,168 km (0.056 R)
• M35: 9,961,872 km (0.032 R)
• M36: 10,146,326 km (0.05 R)
• M37: 10,550,091 km (0.048 R)
• M38: 10,675,304 km (0.117 R)
• M39: 10,927,376 km (0.117 R)
• M40: 11,373,178 km (0.027 R)
• M41: 11,792,501 km (0.099 R)
• M42: 12,315,495 km (0.061 R)
• M43: 13,047,178 km (0.047 R)
• M44: 13,350,712 km (0.111 R)
• M45: 13,861,589 km (0.096 R)
• M46: 14,205,814 km (0.11 R)
• M47: 14,344,192 km (0.085 R)
• M48: 14,622,444 km (0.097 R)
• M49: 15,113,873 km (0.039 R)
• M50: 15,326,152 km (0.067 R)
• M51: 15,753,553 km (0.076 R)
• M52: 16,004,728 km (0.05 R)
• M53: 16,112,738 km (0.083 R)
• M54: 16,511,117 km (0.084 R)
• M55: 17,059,543 km (0.068 R)
• M56: 19,006,709 km (0.083 R)
• M57: 20,006,471 km (0.081 R)
• M58: 20,552,055 km (0.111 R)
• M59: 20,748,028 km (0.058 R)
• M60: 21,737,319 km (0.1 R)
• M61: 22,298,161 km (0.12 R)
• M62: 22,499,520 km (0.073 R)
• M63: 22,863,641 km (0.092 R)
• M64: 23,433,908 km (0.119 R)
• M65: 23,597,718 km (0.12 R)
• M66: 24,671,681 km (0.108 R)
• M67: 24,838,333 km (0.066 R)
• M68: 24,963,546 km (0.086 R)
• M69: 25,635,091 km (0.108 R)
• M70: 26,482,713 km (0.099 R)
• M71: 26,738,824 km (0.052 R)
• M72: 28,292,847 km (0.111 R)
• M73: 28,510,961 km (0.098 R)
• M74: 29,256,856 km (0.113 R)
• M75: 29,344,969 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.7

Radius: 8.6

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.02 AU - 8.36 AU

Year: 6026 Days

Day: 9.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 72,836,917 km

• M1: 109,206 km (0.116 R)
• M2: 209,587 km (0.112 R)
• M3: 315,801 km (0.116 R)
• M4: 444,455 km (0.12 R)
• M5: 519,254 km (0.071 R)
• M6: 578,645 km (0.115 R)
• M7: 668,852 km (0.086 R)
• M8: 771,775 km (0.09 R)
• M9: 944,711 km (0.109 R)
• M10: 1,019,210 km (0.115 R)
• M11: 1,121,834 km (0.101 R)
• M12: 1,219,073 km (0.097 R)
• M13: 1,300,753 km (0.117 R)
• M14: 1,498,671 km (0.093 R)
• M15: 1,596,359 km (0.11 R)
• M16: 1,777,821 km (0.076 R)
• M17: 1,944,772 km (0.102 R)
• M18: 2,008,800 km (0.072 R)
• M19: 2,084,347 km (0.025 R)
• M20: 2,260,723 km (0.082 R)
• M21: 2,339,412 km (0.077 R)
• M22: 2,488,112 km (0.051 R)
• M23: 2,616,467 km (0.096 R)
• M24: 2,940,645 km (0.07 R)
• M25: 3,252,407 km (0.097 R)
• M26: 3,444,491 km (0.055 R)
• M27: 3,561,626 km (0.112 R)
• M28: 3,640,464 km (0.084 R)
• M29: 3,733,065 km (0.069 R)
• M30: 3,988,728 km (0.103 R)
• M31: 4,056,945 km (0.114 R)
• M32: 4,139,223 km (0.109 R)
• M33: 4,263,988 km (0.099 R)
• M34: 4,731,631 km (0.116 R)
• M35: 5,052,518 km (0.086 R)
• M36: 5,410,656 km (0.062 R)
• M37: 5,978,829 km (0.045 R)
• M38: 6,104,192 km (0.08 R)
• M39: 6,183,030 km (0.113 R)
• M40: 6,501,673 km (0.104 R)
• M41: 6,695,402 km (0.081 R)
• M42: 6,858,314 km (0.105 R)
• M43: 7,088,695 km (0.086 R)
• M44: 7,304,864 km (0.096 R)
• M45: 7,523,277 km (0.1 R)
• M46: 7,914,924 km (0.069 R)
• M47: 8,330,657 km (0.085 R)
• M48: 9,492,134 km (0.092 R)
• M49: 9,546,887 km (0.044 R)
• M50: 9,730,444 km (0.066 R)
• M51: 9,933,747 km (0.083 R)
• M52: 10,627,732 km (0.114 R)
• M53: 10,837,019 km (0.034 R)
• M54: 10,894,315 km (0.088 R)
• M55: 11,414,766 km (0.093 R)
• M56: 11,512,155 km (0.1 R)
• M57: 11,805,666 km (0.114 R)
• M58: 12,002,686 km (0.095 R)
• M59: 12,320,282 km (0.095 R)
• M60: 12,380,121 km (0.115 R)
• M61: 12,580,283 km (0.034 R)
• M62: 12,640,571 km (0.12 R)
• M63: 13,146,661 km (0.112 R)
• M64: 13,207,846 km (0.037 R)
• M65: 13,371,357 km (0.068 R)
• M66: 13,432,842 km (0.107 R)
• M67: 13,618,044 km (0.113 R)
• M68: 13,721,266 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.9

Radius: 9.5

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.18 AU - 10.46 AU

Year: 9122 Days

Day: 8.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 72,836,917 km

• M1: 125,064 km (0.083 R)
• M2: 195,524 km (0.063 R)
• M3: 304,880 km (0.119 R)
• M4: 533,316 km (0.106 R)
• M5: 1,017,415 km (0.077 R)
• M6: 1,088,325 km (0.095 R)
• M7: 1,550,133 km (0.043 R)
• M8: 1,802,355 km (0.051 R)
• M9: 2,229,008 km (0.104 R)
• M10: 3,714,366 km (0.111 R)
• M11: 4,372,447 km (0.091 R)
• M12: 4,490,629 km (0.106 R)
• M13: 5,826,987 km (0.105 R)
• M14: 6,187,368 km (0.084 R)
• M15: 6,555,229 km (0.12 R)
• M16: 6,758,832 km (0.109 R)
• M17: 6,999,086 km (0.052 R)
• M18: 7,417,362 km (0.111 R)
• M19: 7,558,582 km (0.051 R)
• M20: 7,629,641 km (0.088 R)
• M21: 8,646,458 km (0.105 R)
• M22: 8,832,557 km (0.103 R)
• M23: 8,944,905 km (0.115 R)
• M24: 9,170,798 km (0.054 R)
• M25: 9,322,640 km (0.114 R)
• M26: 9,513,377 km (0.084 R)
• M27: 9,821,399 km (0.039 R)
• M28: 10,093,668 km (0.115 R)
• M29: 10,289,641 km (0.114 R)
• M30: 10,407,823 km (0.119 R)
• M31: 10,526,454 km (0.116 R)
• M32: 11,369,588 km (0.095 R)
• M33: 11,491,809 km (0.12 R)
• M34: 11,778,738 km (0.117 R)
• M35: 11,985,033 km (0.038 R)
• M36: 12,485,289 km (0.102 R)
• M37: 12,695,773 km (0.073 R)
• M38: 12,864,968 km (0.113 R)
• M39: 13,291,172 km (0.108 R)
• M40: 13,549,229 km (0.093 R)
• M41: 14,597,760 km (0.073 R)
• M42: 14,686,322 km (0.117 R)
• M43: 14,864,044 km (0.072 R)
• M44: 14,953,205 km (0.102 R)
• M45: 15,042,365 km (0.108 R)
• M46: 15,311,342 km (0.056 R)
• M47: 15,491,458 km (0.074 R)
• M48: 15,581,815 km (0.117 R)
• M49: 16,818,541 km (0.109 R)
• M50: 18,612,069 km (0.119 R)
• M51: 19,045,604 km (0.042 R)
• M52: 19,385,191 km (0.072 R)
• M53: 19,531,348 km (0.048 R)
• M54: 19,629,036 km (0.061 R)
• M55: 20,415,921 km (0.101 R)
• M56: 21,666,110 km (0.103 R)
• M57: 22,530,337 km (0.112 R)
• M58: 23,405,784 km (0.118 R)
• M59: 23,561,515 km (0.053 R)
• M60: 23,769,606 km (0.102 R)
• M61: 23,873,875 km (0.065 R)
• M62: 24,397,468 km (0.086 R)
• M63: 25,776,611 km (0.097 R)
• M64: 25,937,279 km (0.058 R)
• M65: 26,313,667 km (0.108 R)
• M66: 26,475,532 km (0.049 R)
• M67: 26,746,155 km (0.114 R)
• M68: 26,908,917 km (0.101 R)
• M69: 27,071,979 km (0.098 R)
• M70: 27,892,224 km (0.116 R)
• M71: 28,277,887 km (0.077 R)
• M72: 30,685,216 km (0.114 R)
• M73: 30,912,455 km (0.082 R)
• M74: 31,483,021 km (0.104 R)
• M75: 32,750,714 km (0.036 R)
• M76: 32,982,890 km (0.038 R)
• M77: 34,387,913 km (0.099 R)
• M78: 34,919,883 km (0.075 R)
• M79: 35,395,006 km (0.05 R)
• M80: 36,171,568 km (0.067 R)
• M81: 36,592,088 km (0.11 R)
• M82: 36,652,226 km (0.085 R)
• M83: 36,893,378 km (0.102 R)
• M84: 37,437,914 km (0.112 R)
• M85: 38,351,359 km (0.117 R)
• M86: 39,704,322 km (0.045 R)
• M87: 40,200,239 km (0.094 R)
• M88: 40,698,101 km (0.076 R)
• M89: 41,323,420 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.6

Radius: 7.8

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 13.53 AU - 21.83 AU

Year: 25889 Days

Day: 22.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 72,836,917 km

• M1: 635,791 km (0.106 R)
• M2: 934,837 km (0.11 R)
• M3: 1,035,217 km (0.105 R)
• M4: 1,358,498 km (0.061 R)
• M5: 1,502,262 km (0.044 R)
• M6: 2,362,749 km (0.08 R)
• M7: 2,501,576 km (0.067 R)
• M8: 2,750,806 km (0.085 R)
• M9: 3,785,574 km (0.096 R)
• M10: 3,907,347 km (0.111 R)
• M11: 4,450,237 km (0.075 R)
• M12: 4,796,108 km (0.04 R)
• M13: 5,331,070 km (0.08 R)
• M14: 5,885,031 km (0.115 R)
• M15: 6,997,291 km (0.114 R)
• M16: 7,247,568 km (0.11 R)
• M17: 7,808,560 km (0.096 R)
• M18: 8,596,043 km (0.094 R)
• M19: 9,026,287 km (0.039 R)
• M20: 9,796,117 km (0.092 R)
• M21: 9,851,917 km (0.051 R)
• M22: 10,076,165 km (0.119 R)
• M23: 10,132,563 km (0.107 R)
• M24: 10,245,509 km (0.039 R)
• M25: 10,302,057 km (0.112 R)
• M26: 11,105,996 km (0.054 R)
• M27: 11,456,803 km (0.04 R)
• M28: 11,574,537 km (0.117 R)
• M29: 13,202,610 km (0.1 R)
• M30: 13,326,029 km (0.109 R)
• M31: 13,511,979 km (0.032 R)
• M32: 13,698,677 km (0.104 R)
• M33: 13,823,741 km (0.064 R)
• M34: 15,094,276 km (0.12 R)
• M35: 15,223,379 km (0.103 R)
• M36: 15,743,381 km (0.102 R)
• M37: 16,335,489 km (0.072 R)
• M38: 16,801,038 km (0.105 R)
• M39: 16,934,778 km (0.032 R)
• M40: 18,844,993 km (0.085 R)
• M41: 18,914,556 km (0.061 R)
• M42: 19,684,387 km (0.08 R)
• M43: 21,835,754 km (0.095 R)
• M44: 22,348,426 km (0.119 R)
• M45: 23,161,939 km (0.074 R)
• M46: 26,123,678 km (0.086 R)
• M47: 26,589,825 km (0.067 R)
• M48: 28,004,721 km (0.113 R)
• M49: 28,641,410 km (0.083 R)
• M50: 30,906,920 km (0.119 R)
• M51: 31,730,008 km (0.055 R)
• M52: 32,476,950 km (0.074 R)
• M53: 32,894,328 km (0.091 R)
• M54: 33,734,619 km (0.113 R)
• M55: 34,242,055 km (0.041 R)
• M56: 34,411,849 km (0.099 R)
• M57: 36,297,380 km (0.088 R)
• M58: 37,514,508 km (0.113 R)
• M59: 37,602,023 km (0.05 R)
• M60: 38,304,086 km (0.107 R)
• M61: 38,480,312 km (0.038 R)
• M62: 39,543,205 km (0.063 R)
• M63: 42,789,329 km (0.09 R)
• M64: 43,614,212 km (0.082 R)
• M65: 43,706,065 km (0.069 R)
• M66: 44,907,635 km (0.112 R)
• M67: 46,683,063 km (0.118 R)
• M68: 47,248,543 km (0.09 R)
• M69: 47,532,031 km (0.109 R)
• M70: 48,005,957 km (0.12 R)
• M71: 48,386,234 km (0.086 R)
• M72: 48,671,966 km (0.079 R)
• M73: 50,205,943 km (0.056 R)
• M74: 51,561,001 km (0.039 R)
• M75: 51,755,627 km (0.088 R)
• M76: 52,340,705 km (0.098 R)
• M77: 52,438,542 km (0.119 R)
• M78: 55,001,004 km (0.059 R)
• M79: 57,201,139 km (0.119 R)
• M80: 57,402,498 km (0.1 R)
• M81: 58,311,904 km (0.116 R)
• M82: 58,819,040 km (0.082 R)
• M83: 59,022,344 km (0.076 R)
• M84: 59,124,070 km (0.106 R)
• M85: 61,789,905 km (0.081 R)
• M86: 62,514,257 km (0.087 R)
• M87: 62,825,571 km (0.053 R)
• M88: 63,137,333 km (0.108 R)
• M89: 65,229,309 km (0.11 R)
• M90: 66,813,102 km (0.049 R)
• M91: 67,131,446 km (0.098 R)
• M92: 67,237,661 km (0.113 R)
• M93: 67,343,875 km (0.095 R)
• M94: 69,051,684 km (0.115 R)
• M95: 70,773,705 km (0.072 R)

Kuiper Belt

Range: 31.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 18,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit