🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.16 AU - 2.3 AU

Year: 1216 Days

Day: 28 Hours

Environment

Temp: -79 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.21 AU - 4.97 AU

Year: 3592 Days

Day: 18.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.2

Radius: 8.2

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.66 AU - 5.98 AU

Year: 3865 Days

Day: 12.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 107,549,147 km

• M1: 121,025 km (0.051 R)
• M2: 174,581 km (0.101 R)
• M3: 229,334 km (0.047 R)
• M4: 381,175 km (0.05 R)
• M5: 712,834 km (0.079 R)
• M6: 763,847 km (0.104 R)
• M7: 924,964 km (0.087 R)
• M8: 1,121,086 km (0.096 R)
• M9: 1,292,825 km (0.082 R)
• M10: 1,512,883 km (0.092 R)
• M11: 1,988,904 km (0.055 R)
• M12: 2,122,345 km (0.119 R)
• M13: 2,243,519 km (0.036 R)
• M14: 2,382,645 km (0.092 R)
• M15: 2,540,621 km (0.116 R)
• M16: 2,653,417 km (0.097 R)
• M17: 3,120,612 km (0.112 R)
• M18: 3,523,628 km (0.12 R)
• M19: 3,667,691 km (0.117 R)
• M20: 3,740,396 km (0.104 R)
• M21: 3,795,298 km (0.037 R)
• M22: 3,868,900 km (0.094 R)
• M23: 3,961,651 km (0.048 R)
• M24: 4,130,397 km (0.112 R)
• M25: 4,206,094 km (0.064 R)
• M26: 4,591,907 km (0.117 R)
• M27: 5,501,162 km (0.064 R)
• M28: 5,795,272 km (0.117 R)
• M29: 6,029,991 km (0.116 R)
• M30: 6,289,543 km (0.059 R)
• M31: 6,486,713 km (0.094 R)
• M32: 6,619,257 km (0.096 R)
• M33: 7,090,191 km (0.116 R)
• M34: 7,204,035 km (0.087 R)
• M35: 7,341,216 km (0.099 R)
• M36: 7,828,756 km (0.114 R)
• M37: 8,040,886 km (0.109 R)
• M38: 8,302,682 km (0.054 R)
• M39: 8,908,104 km (0.072 R)
• M40: 9,377,842 km (0.116 R)
• M41: 9,729,098 km (0.106 R)
• M42: 9,830,375 km (0.11 R)
• M43: 10,289,940 km (0.096 R)
• M44: 10,496,385 km (0.076 R)
• M45: 10,939,793 km (0.061 R)
• M46: 11,150,576 km (0.081 R)
• M47: 11,469,220 km (0.103 R)
• M48: 12,088,406 km (0.065 R)
• M49: 14,153,455 km (0.102 R)
• M50: 14,498,427 km (0.073 R)
• M51: 14,933,757 km (0.1 R)
• M52: 15,314,334 km (0.098 R)
• M53: 15,846,753 km (0.102 R)
• M54: 15,965,833 km (0.107 R)
• M55: 16,025,522 km (0.115 R)
• M56: 16,145,051 km (0.079 R)
• M57: 16,325,017 km (0.119 R)
• M58: 16,535,801 km (0.107 R)
• M59: 16,990,429 km (0.113 R)
• M60: 17,295,758 km (0.098 R)
• M61: 17,757,267 km (0.109 R)
• M62: 18,036,118 km (0.101 R)
• M63: 18,472,794 km (0.078 R)
• M64: 18,944,476 km (0.084 R)
• M65: 19,388,333 km (0.097 R)
• M66: 19,707,425 km (0.091 R)
• M67: 20,028,313 km (0.068 R)
• M68: 20,254,056 km (0.027 R)
• M69: 20,448,084 km (0.085 R)
• M70: 21,592,508 km (0.057 R)
• M71: 21,658,481 km (0.098 R)
• M72: 21,823,786 km (0.084 R)
• M73: 21,890,058 km (0.114 R)
• M74: 22,022,901 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.3

Radius: 10

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.59 AU - 10.09 AU

Year: 8797 Days

Day: 14.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 107,549,147 km

• M1: 135,984 km (0.113 R)
• M2: 388,655 km (0.075 R)
• M3: 565,031 km (0.115 R)
• M4: 687,701 km (0.077 R)
• M5: 819,946 km (0.109 R)
• M6: 1,110,764 km (0.046 R)
• M7: 1,370,915 km (0.117 R)
• M8: 2,019,571 km (0.072 R)
• M9: 2,091,677 km (0.085 R)
• M10: 2,263,416 km (0.105 R)
• M11: 2,388,928 km (0.05 R)
• M12: 2,673,464 km (0.092 R)
• M13: 2,887,239 km (0.04 R)
• M14: 3,562,224 km (0.119 R)
• M15: 4,315,749 km (0.071 R)
• M16: 5,150,505 km (0.1 R)
• M17: 5,216,777 km (0.032 R)
• M18: 5,484,856 km (0.092 R)
• M19: 5,688,758 km (0.096 R)
• M20: 5,860,646 km (0.077 R)
• M21: 6,280,268 km (0.077 R)
• M22: 6,529,648 km (0.089 R)
• M23: 7,148,684 km (0.114 R)
• M24: 7,334,335 km (0.112 R)
• M25: 8,208,884 km (0.079 R)
• M26: 8,442,406 km (0.111 R)
• M27: 8,876,390 km (0.093 R)
• M28: 9,479,718 km (0.068 R)
• M29: 9,602,089 km (0.113 R)
• M30: 9,765,899 km (0.107 R)
• M31: 11,239,138 km (0.118 R)
• M32: 11,325,456 km (0.098 R)
• M33: 12,825,624 km (0.119 R)
• M34: 13,324,234 km (0.098 R)
• M35: 14,200,428 km (0.063 R)
• M36: 15,238,189 km (0.057 R)
• M37: 15,573,587 km (0.092 R)
• M38: 15,862,909 km (0.081 R)
• M39: 15,959,699 km (0.106 R)
• M40: 16,692,430 km (0.112 R)
• M41: 16,889,749 km (0.084 R)
• M42: 17,336,299 km (0.101 R)
• M43: 18,699,435 km (0.108 R)
• M44: 19,007,008 km (0.058 R)
• M45: 20,517,198 km (0.119 R)
• M46: 20,834,495 km (0.084 R)
• M47: 21,046,775 km (0.1 R)
• M48: 21,153,289 km (0.107 R)
• M49: 21,688,400 km (0.091 R)
• M50: 22,282,154 km (0.095 R)
• M51: 24,206,581 km (0.119 R)
• M52: 24,654,028 km (0.116 R)
• M53: 24,822,475 km (0.097 R)
• M54: 25,216,965 km (0.067 R)
• M55: 27,336,767 km (0.086 R)
• M56: 28,036,586 km (0.092 R)
• M57: 30,231,037 km (0.086 R)
• M58: 30,773,030 km (0.096 R)
• M59: 31,075,666 km (0.116 R)
• M60: 31,683,632 km (0.096 R)
• M61: 32,050,446 km (0.108 R)
• M62: 32,295,637 km (0.105 R)
• M63: 33,158,966 km (0.119 R)
• M64: 33,842,778 km (0.079 R)
• M65: 34,531,078 km (0.092 R)
• M66: 34,719,571 km (0.03 R)
• M67: 35,350,426 km (0.074 R)
• M68: 35,667,424 km (0.066 R)
• M69: 36,048,898 km (0.112 R)
• M70: 38,171,243 km (0.073 R)
• M71: 39,740,076 km (0.068 R)
• M72: 41,196,561 km (0.084 R)
• M73: 41,730,476 km (0.063 R)
• M74: 41,797,495 km (0.09 R)
• M75: 43,210,747 km (0.1 R)
• M76: 43,278,514 km (0.118 R)
• M77: 44,093,524 km (0.115 R)
• M78: 44,434,607 km (0.088 R)
• M79: 44,502,973 km (0.06 R)
• M80: 44,913,619 km (0.08 R)
• M81: 45,050,800 km (0.088 R)
• M82: 45,256,797 km (0.109 R)
• M83: 45,394,427 km (0.096 R)
• M84: 45,463,242 km (0.104 R)
• M85: 46,084,073 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.9

Radius: 13

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.84 AU - 11.64 AU

Year: 11103 Days

Day: 7.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 107,549,147 km

• M1: 204,201 km (0.047 R)
• M2: 298,448 km (0.098 R)
• M3: 512,971 km (0.086 R)
• M4: 729,888 km (0.078 R)
• M5: 1,239,418 km (0.113 R)
• M6: 1,672,504 km (0.075 R)
• M7: 1,768,696 km (0.075 R)
• M8: 1,987,258 km (0.101 R)
• M9: 2,131,171 km (0.09 R)
• M10: 2,364,394 km (0.06 R)
• M11: 2,787,158 km (0.111 R)
• M12: 2,995,847 km (0.079 R)
• M13: 3,114,029 km (0.118 R)
• M14: 3,282,327 km (0.083 R)
• M15: 3,653,030 km (0.113 R)
• M16: 3,985,437 km (0.1 R)
• M17: 4,462,056 km (0.091 R)
• M18: 4,652,344 km (0.096 R)
• M19: 4,734,773 km (0.117 R)
• M20: 5,069,273 km (0.061 R)
• M21: 5,382,831 km (0.11 R)
• M22: 5,939,335 km (0.1 R)
• M23: 6,118,852 km (0.073 R)
• M24: 6,514,239 km (0.065 R)
• M25: 6,761,824 km (0.062 R)
• M26: 6,855,322 km (0.115 R)
• M27: 7,075,530 km (0.081 R)
• M28: 7,913,727 km (0.074 R)
• M29: 8,177,917 km (0.079 R)
• M30: 8,546,078 km (0.063 R)
• M31: 9,507,693 km (0.072 R)
• M32: 9,647,866 km (0.078 R)
• M33: 9,824,092 km (0.109 R)
• M34: 10,251,344 km (0.104 R)
• M35: 11,124,247 km (0.113 R)
• M36: 11,272,050 km (0.116 R)
• M37: 12,439,661 km (0.09 R)
• M38: 12,708,638 km (0.049 R)
• M39: 13,096,246 km (0.049 R)
• M40: 13,409,205 km (0.051 R)
• M41: 14,362,742 km (0.085 R)
• M42: 15,174,161 km (0.088 R)
• M43: 15,834,037 km (0.055 R)
• M44: 16,125,603 km (0.091 R)
• M45: 16,251,116 km (0.103 R)
• M46: 16,926,251 km (0.112 R)
• M47: 17,224,400 km (0.045 R)
• M48: 17,309,970 km (0.029 R)
• M49: 17,524,343 km (0.112 R)
• M50: 17,696,531 km (0.097 R)
• M51: 17,999,317 km (0.101 R)
• M52: 18,347,281 km (0.113 R)
• M53: 18,697,639 km (0.094 R)
• M54: 21,119,330 km (0.115 R)
• M55: 22,180,577 km (0.097 R)
• M56: 22,507,000 km (0.092 R)
• M57: 24,115,177 km (0.101 R)
• M58: 24,402,853 km (0.105 R)
• M59: 24,884,708 km (0.099 R)
• M60: 25,272,466 km (0.109 R)
• M61: 25,809,073 km (0.092 R)
• M62: 26,054,115 km (0.091 R)
• M63: 26,152,401 km (0.118 R)
• M64: 26,497,373 km (0.047 R)
• M65: 27,191,657 km (0.088 R)
• M66: 28,648,890 km (0.094 R)
• M67: 28,902,757 km (0.083 R)
• M68: 29,055,347 km (0.093 R)
• M69: 30,079,943 km (0.089 R)
• M70: 30,908,117 km (0.067 R)
• M71: 32,269,757 km (0.09 R)
• M72: 32,692,670 km (0.075 R)
• M73: 33,011,164 km (0.101 R)
• M74: 33,224,042 km (0.049 R)
• M75: 33,383,962 km (0.108 R)
• M76: 33,704,550 km (0.048 R)
• M77: 34,726,752 km (0.077 R)
• M78: 35,105,833 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.7

Radius: 5.2

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 15.82 AU - 21.88 AU

Year: 29892 Days

Day: 23.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 107,549,147 km

• M1: 103,971 km (0.049 R)
• M2: 220,058 km (0.026 R)
• M3: 520,601 km (0.109 R)
• M4: 554,410 km (0.099 R)
• M5: 624,272 km (0.12 R)
• M6: 1,147,864 km (0.082 R)
• M7: 1,238,072 km (0.116 R)
• M8: 2,178,444 km (0.089 R)
• M9: 2,376,063 km (0.07 R)
• M10: 2,550,195 km (0.087 R)
• M11: 3,778,842 km (0.097 R)
• M12: 4,328,614 km (0.107 R)
• M13: 4,866,568 km (0.113 R)
• M14: 4,903,070 km (0.118 R)
• M15: 5,013,473 km (0.081 R)
• M16: 5,692,947 km (0.034 R)
• M17: 5,809,035 km (0.074 R)
• M18: 6,281,016 km (0.071 R)
• M19: 6,643,043 km (0.116 R)
• M20: 7,053,240 km (0.079 R)
• M21: 7,261,481 km (0.081 R)
• M22: 7,898,169 km (0.117 R)
• M23: 8,070,955 km (0.087 R)
• M24: 8,332,452 km (0.115 R)
• M25: 9,133,698 km (0.09 R)
• M26: 9,406,116 km (0.112 R)
• M27: 10,005,704 km (0.115 R)
• M28: 11,096,572 km (0.068 R)
• M29: 11,729,670 km (0.052 R)
• M30: 11,877,323 km (0.056 R)
• M31: 12,075,391 km (0.109 R)
• M32: 12,928,846 km (0.109 R)
• M33: 13,081,586 km (0.1 R)
• M34: 13,801,750 km (0.093 R)
• M35: 14,376,655 km (0.084 R)
• M36: 14,481,971 km (0.119 R)
• M37: 15,119,558 km (0.072 R)
• M38: 15,711,965 km (0.073 R)
• M39: 15,929,331 km (0.114 R)
• M40: 16,753,166 km (0.103 R)
• M41: 16,864,018 km (0.066 R)
• M42: 17,309,970 km (0.102 R)
• M43: 20,301,927 km (0.12 R)
• M44: 20,538,740 km (0.065 R)
• M45: 20,657,372 km (0.107 R)
• M46: 21,434,383 km (0.051 R)
• M47: 21,554,809 km (0.109 R)
• M48: 22,160,082 km (0.068 R)
• M49: 22,220,969 km (0.079 R)
• M50: 22,464,813 km (0.083 R)
• M51: 22,587,184 km (0.114 R)
• M52: 23,635,566 km (0.113 R)
• M53: 24,573,844 km (0.117 R)
• M54: 24,826,066 km (0.096 R)
• M55: 25,269,474 km (0.095 R)
• M56: 26,486,303 km (0.116 R)
• M57: 27,134,511 km (0.095 R)
• M58: 27,984,825 km (0.112 R)
• M59: 28,512,457 km (0.053 R)
• M60: 29,778,653 km (0.091 R)
• M61: 30,047,480 km (0.096 R)
• M62: 30,587,678 km (0.111 R)
• M63: 31,063,100 km (0.097 R)
• M64: 32,089,790 km (0.076 R)
• M65: 32,365,499 km (0.063 R)
• M66: 34,881,736 km (0.086 R)
• M67: 37,895,833 km (0.096 R)
• M68: 38,041,392 km (0.113 R)
• M69: 38,552,568 km (0.093 R)
• M70: 39,065,838 km (0.107 R)
• M71: 39,803,057 km (0.056 R)
• M72: 40,321,862 km (0.076 R)
• M73: 41,366,205 km (0.112 R)
• M74: 41,891,742 km (0.036 R)
• M75: 42,494,921 km (0.069 R)
• M76: 42,949,249 km (0.116 R)
• M77: 43,786,399 km (0.072 R)
• M78: 45,090,743 km (0.119 R)
• M79: 45,244,978 km (0.11 R)
• M80: 45,322,321 km (0.06 R)
• M81: 46,330,012 km (0.102 R)
• M82: 46,719,565 km (0.046 R)
• M83: 47,894,656 km (0.105 R)
• M84: 47,973,344 km (0.117 R)
• M85: 48,288,547 km (0.032 R)
• M86: 49,238,194 km (0.111 R)
• M87: 49,397,067 km (0.088 R)
• M88: 50,114,239 km (0.112 R)
• M89: 50,674,334 km (0.099 R)
• M90: 51,317,006 km (0.116 R)
• M91: 52,935,356 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.3

Radius: 4.4

Gravity: 41.8 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 14.71 AU - 23.85 AU

Year: 30921 Days

Day: 21.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 107,549,147 km

• M1: 178,769 km (0.073 R)
• M2: 505,342 km (0.091 R)
• M3: 1,080,845 km (0.116 R)
• M4: 1,292,825 km (0.08 R)
• M5: 1,403,677 km (0.101 R)
• M6: 1,441,226 km (0.118 R)
• M7: 1,918,892 km (0.098 R)
• M8: 2,131,470 km (0.082 R)
• M9: 2,441,587 km (0.093 R)
• M10: 2,860,910 km (0.039 R)
• M11: 3,005,571 km (0.118 R)
• M12: 4,301,687 km (0.09 R)
• M13: 6,678,049 km (0.091 R)
• M14: 6,741,778 km (0.108 R)
• M15: 6,934,310 km (0.08 R)
• M16: 6,998,936 km (0.03 R)
• M17: 7,789,561 km (0.092 R)
• M18: 9,098,243 km (0.062 R)
• M19: 10,251,942 km (0.063 R)
• M20: 10,920,794 km (0.108 R)
• M21: 11,071,439 km (0.113 R)
• M22: 11,450,819 km (0.072 R)
• M23: 11,757,495 km (0.092 R)
• M24: 12,457,164 km (0.111 R)
• M25: 13,411,000 km (0.118 R)
• M26: 13,572,267 km (0.084 R)
• M27: 13,734,132 km (0.106 R)
• M28: 14,223,616 km (0.111 R)
• M29: 14,553,030 km (0.047 R)
• M30: 15,303,713 km (0.112 R)
• M31: 16,496,008 km (0.113 R)
• M32: 16,928,944 km (0.074 R)
• M33: 17,190,591 km (0.119 R)
• M34: 17,894,748 km (0.11 R)
• M35: 19,331,186 km (0.041 R)
• M36: 21,648,457 km (0.045 R)
• M37: 22,122,234 km (0.073 R)
• M38: 22,312,822 km (0.11 R)
• M39: 23,856,372 km (0.109 R)
• M40: 25,036,550 km (0.087 R)
• M41: 25,135,733 km (0.118 R)
• M42: 25,235,066 km (0.061 R)
• M43: 27,248,953 km (0.11 R)
• M44: 27,863,052 km (0.098 R)
• M45: 29,000,744 km (0.119 R)
• M46: 33,155,077 km (0.072 R)
• M47: 34,360,088 km (0.086 R)
• M48: 35,245,258 km (0.07 R)
• M49: 37,151,285 km (0.075 R)
• M50: 37,831,955 km (0.064 R)
• M51: 38,287,929 km (0.111 R)
• M52: 39,782,711 km (0.116 R)
• M53: 41,531,062 km (0.115 R)
• M54: 42,119,280 km (0.088 R)
• M55: 44,499,981 km (0.118 R)
• M56: 48,646,086 km (0.12 R)
• M57: 51,645,972 km (0.105 R)
• M58: 52,786,357 km (0.117 R)
• M59: 54,705,398 km (0.072 R)
• M60: 56,516,879 km (0.08 R)
• M61: 57,038,078 km (0.111 R)
• M62: 57,822,868 km (0.053 R)
• M63: 58,085,263 km (0.038 R)
• M64: 59,006,636 km (0.113 R)
• M65: 59,667,859 km (0.077 R)
• M66: 60,464,467 km (0.09 R)
• M67: 62,471,323 km (0.03 R)
• M68: 62,740,449 km (0.098 R)
• M69: 63,145,112 km (0.084 R)
• M70: 63,821,294 km (0.033 R)
• M71: 63,956,830 km (0.052 R)
• M72: 64,364,035 km (0.059 R)
• M73: 68,067,031 km (0.097 R)
• M74: 69,595,323 km (0.063 R)
• M75: 71,275,457 km (0.086 R)
• M76: 72,261,606 km (0.04 R)
• M77: 73,536,329 km (0.08 R)
• M78: 79,436,170 km (0.059 R)
• M79: 80,458,522 km (0.1 R)
• M80: 82,368,737 km (0.108 R)
• M81: 86,533,542 km (0.057 R)
• M82: 86,683,589 km (0.11 R)
• M83: 87,585,514 km (0.119 R)
• M84: 87,736,159 km (0.099 R)
• M85: 88,490,432 km (0.046 R)
• M86: 90,461,832 km (0.114 R)
• M87: 90,614,123 km (0.111 R)
• M88: 91,682,102 km (0.12 R)
• M89: 92,754,420 km (0.107 R)
• M90: 92,907,907 km (0.086 R)
• M91: 93,368,968 km (0.119 R)
• M92: 94,447,718 km (0.117 R)
• M93: 94,911,322 km (0.095 R)
• M94: 98,647,230 km (0.059 R)
• M95: 101,322,488 km (0.093 R)
• M96: 102,907,178 km (0.116 R)
• M97: 103,862,062 km (0.083 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 14,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit