🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.73 AU - 0.79 AU

Year: 240 Days

Day: 33.7 Hours

Environment

Temp: 160 °C

Axial Tilt: 20.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.13 AU - 3.05 AU

Year: 1507 Days

Day: 19.4 Hours

Environment

Temp: -84 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 83,720,729 km

• M1: 918,531 km (0.107 R)
• M2: 1,530,835 km (0.072 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.84 AU - 3.88 AU

Year: 2227 Days

Day: 46.4 Hours

Environment

Temp: -118 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,720,729 km

• M1: 121,773 km (0.078 R)

Asteroid Belt

Center: 5.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587

Radius: 14.8

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.19 AU - 10.31 AU

Year: 8570 Days

Day: 13.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 83,720,729 km

• M1: 291,117 km (0.106 R)
• M2: 407,205 km (0.094 R)
• M3: 523,593 km (0.091 R)
• M4: 861,684 km (0.098 R)
• M5: 1,109,418 km (0.088 R)
• M6: 1,343,838 km (0.115 R)
• M7: 1,615,358 km (0.108 R)
• M8: 2,100,803 km (0.086 R)
• M9: 2,607,341 km (0.089 R)
• M10: 3,385,400 km (0.067 R)
• M11: 3,597,530 km (0.079 R)
• M12: 3,896,576 km (0.048 R)
• M13: 4,119,327 km (0.09 R)
• M14: 4,289,121 km (0.095 R)
• M15: 4,548,374 km (0.114 R)
• M16: 4,962,012 km (0.113 R)
• M17: 5,264,947 km (0.063 R)
• M18: 5,511,784 km (0.091 R)
• M19: 5,636,698 km (0.116 R)
• M20: 5,921,084 km (0.03 R)
• M21: 6,113,467 km (0.108 R)
• M22: 6,769,453 km (0.065 R)
• M23: 7,106,048 km (0.101 R)
• M24: 7,344,807 km (0.12 R)
• M25: 7,621,114 km (0.108 R)
• M26: 7,795,545 km (0.108 R)
• M27: 8,219,655 km (0.063 R)
• M28: 8,615,192 km (0.11 R)
• M29: 9,090,614 km (0.073 R)
• M30: 10,335,866 km (0.099 R)
• M31: 11,235,249 km (0.073 R)
• M32: 11,434,214 km (0.088 R)
• M33: 11,714,560 km (0.078 R)
• M34: 12,364,114 km (0.086 R)
• M35: 12,487,233 km (0.109 R)
• M36: 12,651,941 km (0.108 R)
• M37: 12,900,423 km (0.065 R)
• M38: 13,025,337 km (0.061 R)
• M39: 13,486,697 km (0.086 R)
• M40: 13,655,742 km (0.054 R)
• M41: 13,910,807 km (0.075 R)
• M42: 14,511,891 km (0.034 R)
• M43: 14,990,155 km (0.071 R)
• M44: 15,209,316 km (0.112 R)
• M45: 16,682,257 km (0.059 R)
• M46: 16,909,347 km (0.061 R)
• M47: 17,366,667 km (0.102 R)
• M48: 17,689,350 km (0.066 R)
• M49: 17,967,452 km (0.094 R)
• M50: 18,107,027 km (0.057 R)
• M51: 18,481,022 km (0.113 R)
• M52: 18,904,982 km (0.101 R)
• M53: 20,195,713 km (0.112 R)
• M54: 21,268,479 km (0.067 R)
• M55: 21,861,485 km (0.025 R)
• M56: 22,209,898 km (0.116 R)
• M57: 25,951,790 km (0.115 R)
• M58: 26,373,656 km (0.084 R)
• M59: 26,479,571 km (0.054 R)
• M60: 26,851,023 km (0.09 R)
• M61: 27,117,456 km (0.08 R)
• M62: 28,083,709 km (0.118 R)
• M63: 29,994,822 km (0.071 R)
• M64: 30,382,131 km (0.102 R)
• M65: 30,771,085 km (0.09 R)
• M66: 31,553,931 km (0.111 R)
• M67: 32,230,113 km (0.072 R)
• M68: 32,740,392 km (0.08 R)
• M69: 32,911,083 km (0.072 R)
• M70: 33,367,805 km (0.073 R)
• M71: 33,711,731 km (0.111 R)
• M72: 33,884,067 km (0.061 R)
• M73: 34,229,638 km (0.104 R)
• M74: 34,345,128 km (0.111 R)
• M75: 34,460,767 km (0.088 R)
• M76: 35,040,758 km (0.104 R)
• M77: 35,157,145 km (0.073 R)
• M78: 36,328,048 km (0.084 R)
• M79: 36,504,723 km (0.067 R)
• M80: 36,622,756 km (0.118 R)
• M81: 38,108,262 km (0.104 R)
• M82: 39,795,427 km (0.077 R)
• M83: 40,403,991 km (0.115 R)
• M84: 40,770,506 km (0.033 R)
• M85: 41,015,547 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.6

Radius: 14

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.43 AU - 8.45 AU

Year: 8868 Days

Day: 8 Hours

Environment

Temp: -168 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 83,720,729 km

• M1: 181,013 km (0.112 R)
• M2: 300,692 km (0.08 R)
• M3: 1,080,246 km (0.119 R)
• M4: 1,260,063 km (0.065 R)
• M5: 1,450,351 km (0.115 R)
• M6: 1,691,802 km (0.077 R)
• M7: 2,012,540 km (0.03 R)
• M8: 2,101,551 km (0.083 R)
• M9: 2,399,999 km (0.092 R)
• M10: 2,936,905 km (0.059 R)
• M11: 3,219,496 km (0.118 R)
• M12: 3,619,371 km (0.085 R)
• M13: 3,950,730 km (0.106 R)
• M14: 4,321,134 km (0.057 R)
• M15: 4,496,014 km (0.107 R)
• M16: 4,613,898 km (0.069 R)
• M17: 5,280,655 km (0.062 R)
• M18: 5,720,922 km (0.097 R)
• M19: 6,403,686 km (0.12 R)
• M20: 6,975,450 km (0.041 R)
• M21: 7,423,794 km (0.096 R)
• M22: 8,603,822 km (0.107 R)
• M23: 8,935,780 km (0.052 R)
• M24: 9,995,681 km (0.05 R)
• M25: 10,697,893 km (0.115 R)
• M26: 10,895,811 km (0.078 R)
• M27: 11,577,978 km (0.078 R)
• M28: 12,150,189 km (0.111 R)
• M29: 12,522,838 km (0.08 R)
• M30: 12,899,376 km (0.093 R)
• M31: 13,194,831 km (0.113 R)
• M32: 13,364,625 km (0.058 R)
• M33: 13,878,494 km (0.093 R)
• M34: 14,051,279 km (0.106 R)
• M35: 14,793,434 km (0.111 R)
• M36: 15,235,945 km (0.106 R)
• M37: 16,315,892 km (0.118 R)
• M38: 16,544,029 km (0.071 R)
• M39: 16,727,136 km (0.055 R)
• M40: 16,865,066 km (0.025 R)
• M41: 17,420,373 km (0.117 R)
• M42: 17,934,690 km (0.095 R)
• M43: 18,454,094 km (0.114 R)
• M44: 18,834,821 km (0.054 R)
• M45: 19,314,581 km (0.049 R)
• M46: 19,507,562 km (0.086 R)
• M47: 19,846,850 km (0.052 R)
• M48: 19,944,239 km (0.101 R)
• M49: 20,777,798 km (0.096 R)
• M50: 21,124,416 km (0.069 R)
• M51: 23,655,014 km (0.03 R)
• M52: 24,537,043 km (0.067 R)
• M53: 25,588,716 km (0.101 R)
• M54: 25,907,060 km (0.076 R)
• M55: 26,066,681 km (0.097 R)
• M56: 26,333,564 km (0.079 R)
• M57: 27,085,442 km (0.101 R)
• M58: 27,572,683 km (0.04 R)
• M59: 28,171,972 km (0.083 R)
• M60: 28,665,645 km (0.049 R)
• M61: 28,885,853 km (0.095 R)
• M62: 29,272,713 km (0.115 R)
• M63: 29,550,217 km (0.074 R)
• M64: 29,828,469 km (0.08 R)
• M65: 30,837,357 km (0.038 R)
• M66: 31,459,535 km (0.105 R)
• M67: 33,698,416 km (0.076 R)
• M68: 34,631,757 km (0.086 R)
• M69: 35,751,198 km (0.119 R)
• M70: 36,107,241 km (0.117 R)
• M71: 36,404,791 km (0.03 R)
• M72: 37,062,124 km (0.067 R)
• M73: 37,362,367 km (0.04 R)
• M74: 38,085,972 km (0.103 R)
• M75: 38,328,171 km (0.077 R)
• M76: 38,814,215 km (0.082 R)
• M77: 39,853,920 km (0.086 R)
• M78: 40,778,734 km (0.104 R)
• M79: 41,648,496 km (0.056 R)
• M80: 41,773,111 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.4

Radius: 13.8

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.8 AU - 11.8 AU

Year: 11955 Days

Day: 8.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 83,720,729 km

• M1: 385,065 km (0.057 R)
• M2: 529,726 km (0.087 R)
• M3: 857,046 km (0.111 R)
• M4: 1,264,551 km (0.034 R)
• M5: 1,534,276 km (0.116 R)
• M6: 1,786,049 km (0.085 R)
• M7: 1,898,247 km (0.09 R)
• M8: 2,012,839 km (0.062 R)
• M9: 2,289,745 km (0.107 R)
• M10: 2,600,460 km (0.089 R)
• M11: 2,815,282 km (0.044 R)
• M12: 2,924,938 km (0.064 R)
• M13: 3,216,953 km (0.034 R)
• M14: 3,805,471 km (0.097 R)
• M15: 4,125,012 km (0.104 R)
• M16: 4,763,944 km (0.049 R)
• M17: 5,352,013 km (0.12 R)
• M18: 5,627,124 km (0.081 R)
• M19: 5,991,694 km (0.084 R)
• M20: 6,277,426 km (0.079 R)
• M21: 6,832,733 km (0.091 R)
• M22: 6,921,893 km (0.075 R)
• M23: 7,587,454 km (0.099 R)
• M24: 7,710,723 km (0.111 R)
• M25: 7,959,205 km (0.096 R)
• M26: 8,432,383 km (0.084 R)
• M27: 10,449,860 km (0.056 R)
• M28: 10,690,563 km (0.105 R)
• M29: 12,029,464 km (0.037 R)
• M30: 12,137,474 km (0.079 R)
• M31: 12,536,152 km (0.058 R)
• M32: 12,791,964 km (0.085 R)
• M33: 14,097,655 km (0.115 R)
• M34: 14,249,496 km (0.089 R)
• M35: 14,824,102 km (0.078 R)
• M36: 15,172,515 km (0.104 R)
• M37: 15,367,292 km (0.031 R)
• M38: 16,673,281 km (0.1 R)
• M39: 16,833,949 km (0.099 R)
• M40: 17,768,188 km (0.08 R)
• M41: 17,891,307 km (0.089 R)
• M42: 18,055,865 km (0.109 R)
• M43: 18,179,582 km (0.053 R)
• M44: 18,928,170 km (0.084 R)
• M45: 19,729,266 km (0.046 R)
• M46: 20,198,106 km (0.119 R)
• M47: 20,670,686 km (0.077 R)
• M48: 21,016,556 km (0.11 R)
• M49: 21,451,736 km (0.092 R)
• M50: 25,500,453 km (0.057 R)
• M51: 26,901,288 km (0.091 R)
• M52: 27,231,749 km (0.09 R)
• M53: 27,326,445 km (0.073 R)
• M54: 28,279,233 km (0.039 R)
• M55: 28,471,018 km (0.102 R)
• M56: 29,388,352 km (0.115 R)
• M57: 29,728,687 km (0.118 R)
• M58: 30,070,369 km (0.098 R)
• M59: 31,053,825 km (0.076 R)
• M60: 33,710,833 km (0.118 R)

Asteroid Belt

Center: 11.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 12.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.8

Radius: 7.7

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 10.78 AU - 14.94 AU

Year: 16678 Days

Day: 18.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 83,720,729 km

• M1: 160,219 km (0.057 R)
• M2: 371,601 km (0.108 R)
• M3: 461,509 km (0.088 R)
• M4: 777,311 km (0.116 R)
• M5: 958,174 km (0.109 R)
• M6: 1,152,652 km (0.103 R)
• M7: 1,336,208 km (0.114 R)
• M8: 2,534,936 km (0.071 R)
• M9: 3,373,582 km (0.114 R)
• M10: 3,873,837 km (0.095 R)
• M11: 3,976,760 km (0.084 R)
• M12: 5,509,989 km (0.101 R)
• M13: 5,742,613 km (0.063 R)
• M14: 6,177,345 km (0.066 R)
• M15: 6,994,897 km (0.1 R)
• M16: 7,120,410 km (0.087 R)
• M17: 8,107,756 km (0.1 R)
• M18: 8,864,871 km (0.084 R)
• M19: 8,955,377 km (0.072 R)
• M20: 9,690,950 km (0.09 R)
• M21: 9,784,299 km (0.092 R)
• M22: 10,302,805 km (0.103 R)
• M23: 10,781,967 km (0.118 R)
• M24: 11,072,935 km (0.079 R)
• M25: 12,011,363 km (0.053 R)
• M26: 14,069,081 km (0.032 R)
• M27: 14,653,859 km (0.095 R)
• M28: 15,355,174 km (0.057 R)
• M29: 15,627,891 km (0.103 R)
• M30: 15,792,150 km (0.059 R)
• M31: 16,288,665 km (0.101 R)
• M32: 17,071,211 km (0.09 R)
• M33: 19,491,406 km (0.105 R)
• M34: 19,668,380 km (0.087 R)
• M35: 19,845,953 km (0.114 R)
• M36: 20,441,352 km (0.069 R)
• M37: 20,501,191 km (0.068 R)
• M38: 21,406,259 km (0.109 R)
• M39: 22,262,706 km (0.115 R)
• M40: 24,008,962 km (0.102 R)
• M41: 24,262,082 km (0.097 R)
• M42: 24,452,370 km (0.061 R)
• M43: 24,898,471 km (0.115 R)
• M44: 25,476,069 km (0.047 R)
• M45: 27,169,217 km (0.086 R)
• M46: 28,898,419 km (0.104 R)
• M47: 29,032,908 km (0.032 R)
• M48: 29,640,574 km (0.058 R)
• M49: 29,776,259 km (0.05 R)
• M50: 31,835,324 km (0.12 R)
• M51: 31,904,738 km (0.097 R)
• M52: 32,461,990 km (0.04 R)
• M53: 34,295,162 km (0.088 R)
• M54: 34,722,863 km (0.06 R)
• M55: 35,152,508 km (0.07 R)
• M56: 36,306,506 km (0.117 R)
• M57: 36,815,438 km (0.1 R)
• M58: 37,473,070 km (0.081 R)
• M59: 37,840,033 km (0.063 R)
• M60: 38,429,748 km (0.101 R)
• M61: 38,725,802 km (0.11 R)
• M62: 39,245,655 km (0.088 R)
• M63: 41,423,800 km (0.105 R)
• M64: 41,803,330 km (0.113 R)
• M65: 43,640,990 km (0.082 R)
• M66: 44,181,936 km (0.116 R)
• M67: 46,525,237 km (0.107 R)
• M68: 47,553,124 km (0.105 R)
• M69: 49,229,518 km (0.101 R)
• M70: 49,390,036 km (0.083 R)
• M71: 49,470,520 km (0.059 R)
• M72: 49,792,454 km (0.106 R)
• M73: 50,438,568 km (0.031 R)
• M74: 50,519,500 km (0.091 R)
• M75: 50,925,060 km (0.093 R)
• M76: 51,250,136 km (0.032 R)
• M77: 52,147,873 km (0.109 R)
• M78: 53,380,260 km (0.119 R)
• M79: 53,462,838 km (0.073 R)
• M80: 53,710,572 km (0.119 R)
• M81: 54,705,398 km (0.097 R)
• M82: 54,871,901 km (0.057 R)
• M83: 55,622,732 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.1

Radius: 4.9

Gravity: 35.78 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 14.05 AU - 15.57 AU

Year: 20612 Days

Day: 15.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 83,720,729 km

• M1: 109,954 km (0.095 R)
• M2: 214,673 km (0.105 R)
• M3: 730,187 km (0.111 R)
• M4: 1,779,317 km (0.072 R)
• M5: 3,366,251 km (0.112 R)
• M6: 3,937,117 km (0.116 R)
• M7: 3,982,295 km (0.051 R)
• M8: 4,210,582 km (0.113 R)
• M9: 4,349,708 km (0.066 R)
• M10: 4,680,169 km (0.066 R)
• M11: 5,018,709 km (0.101 R)
• M12: 6,080,854 km (0.031 R)
• M13: 6,343,698 km (0.118 R)
• M14: 6,989,512 km (0.047 R)
• M15: 7,599,871 km (0.061 R)
• M16: 7,882,910 km (0.093 R)
• M17: 8,459,311 km (0.113 R)
• M18: 8,989,635 km (0.054 R)
• M19: 9,288,981 km (0.09 R)
• M20: 10,268,398 km (0.118 R)
• M21: 10,897,158 km (0.118 R)
• M22: 11,602,960 km (0.102 R)
• M23: 11,732,961 km (0.085 R)
• M24: 13,533,671 km (0.073 R)
• M25: 13,738,919 km (0.065 R)
• M26: 14,710,856 km (0.098 R)
• M27: 15,276,037 km (0.088 R)
• M28: 16,064,717 km (0.071 R)
• M29: 16,354,787 km (0.095 R)
• M30: 17,606,921 km (0.101 R)
• M31: 17,681,571 km (0.087 R)
• M32: 18,433,450 km (0.112 R)
• M33: 19,503,523 km (0.079 R)
• M34: 19,658,058 km (0.076 R)
• M35: 20,987,684 km (0.1 R)
• M36: 21,225,395 km (0.074 R)
• M37: 22,265,549 km (0.08 R)
• M38: 22,751,143 km (0.051 R)
• M39: 23,897,811 km (0.05 R)
• M40: 24,145,994 km (0.091 R)
• M41: 24,228,871 km (0.099 R)
• M42: 24,478,101 km (0.056 R)
• M43: 26,332,068 km (0.112 R)
• M44: 26,674,048 km (0.092 R)
• M45: 27,103,544 km (0.117 R)
• M46: 27,275,881 km (0.057 R)
• M47: 29,108,305 km (0.116 R)
• M48: 31,160,339 km (0.105 R)
• M49: 31,341,053 km (0.089 R)
• M50: 32,982,291 km (0.025 R)
• M51: 33,350,901 km (0.028 R)
• M52: 34,838,502 km (0.114 R)
• M53: 36,633,078 km (0.068 R)
• M54: 37,301,780 km (0.091 R)
• M55: 41,894,734 km (0.114 R)
• M56: 44,612,628 km (0.107 R)
• M57: 45,224,334 km (0.053 R)
• M58: 45,326,659 km (0.094 R)
• M59: 45,633,783 km (0.098 R)
• M60: 45,736,258 km (0.108 R)
• M61: 46,044,280 km (0.109 R)
• M62: 46,869,013 km (0.116 R)
• M63: 47,490,891 km (0.092 R)
• M64: 48,011,193 km (0.107 R)
• M65: 49,477,850 km (0.096 R)
• M66: 51,491,886 km (0.086 R)
• M67: 53,532,401 km (0.093 R)
• M68: 55,928,062 km (0.095 R)
• M69: 56,918,250 km (0.065 R)
• M70: 57,803,121 km (0.063 R)
• M71: 58,692,630 km (0.117 R)
• M72: 58,804,081 km (0.051 R)
• M73: 60,823,203 km (0.105 R)
• M74: 61,161,893 km (0.118 R)
• M75: 61,388,085 km (0.084 R)
• M76: 62,181,851 km (0.075 R)
• M77: 63,664,964 km (0.045 R)
• M78: 64,238,373 km (0.099 R)
• M79: 64,353,414 km (0.095 R)
• M80: 64,928,917 km (0.116 R)
• M81: 65,621,854 km (0.113 R)
• M82: 65,853,431 km (0.078 R)
• M83: 66,665,898 km (0.083 R)
• M84: 67,481,655 km (0.096 R)
• M85: 67,598,491 km (0.059 R)
• M86: 67,715,327 km (0.098 R)
• M87: 69,830,790 km (0.102 R)
• M88: 70,185,337 km (0.115 R)
• M89: 72,804,497 km (0.071 R)
• M90: 73,644,489 km (0.113 R)
• M91: 74,970,973 km (0.094 R)
• M92: 75,576,545 km (0.102 R)
• M93: 77,892,619 km (0.082 R)
• M94: 81,596,513 km (0.064 R)

Kuiper Belt

Range: 30.3 - 55.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 10,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit