🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.65 AU - 1.03 AU

Year: 281 Days

Day: 41.1 Hours

Environment

Temp: 115 °C

Axial Tilt: 6.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 62,270,347 km

• M1: 138,677 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.2

Radius: 9.5

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.31 AU - 8.73 AU

Year: 6794 Days

Day: 11 Hours

Environment

Temp: -161 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 62,270,347 km

• M1: 141,520 km (0.104 R)
• M2: 206,744 km (0.107 R)
• M3: 474,824 km (0.042 R)
• M4: 538,852 km (0.09 R)
• M5: 972,835 km (0.108 R)
• M6: 1,144,573 km (0.117 R)
• M7: 1,402,031 km (0.066 R)
• M8: 1,498,522 km (0.084 R)
• M9: 1,577,510 km (0.066 R)
• M10: 1,718,880 km (0.082 R)
• M11: 2,036,476 km (0.096 R)
• M12: 2,465,223 km (0.095 R)
• M13: 2,971,463 km (0.065 R)
• M14: 3,172,821 km (0.068 R)
• M15: 3,378,668 km (0.081 R)
• M16: 3,695,815 km (0.066 R)
• M17: 3,995,011 km (0.12 R)
• M18: 4,078,038 km (0.109 R)
• M19: 4,273,862 km (0.104 R)
• M20: 5,390,610 km (0.081 R)
• M21: 5,451,795 km (0.101 R)
• M22: 5,605,731 km (0.041 R)
• M23: 6,140,095 km (0.093 R)
• M24: 6,268,300 km (0.119 R)
• M25: 6,723,676 km (0.089 R)
• M26: 7,122,654 km (0.115 R)
• M27: 7,189,823 km (0.087 R)
• M28: 7,908,641 km (0.106 R)
• M29: 8,153,383 km (0.11 R)
• M30: 8,507,332 km (0.116 R)
• M31: 8,938,772 km (0.094 R)
• M32: 9,230,338 km (0.095 R)
• M33: 9,488,095 km (0.093 R)
• M34: 9,935,393 km (0.065 R)
• M35: 10,010,641 km (0.092 R)
• M36: 10,504,164 km (0.093 R)
• M37: 10,850,633 km (0.108 R)
• M38: 11,318,276 km (0.035 R)
• M39: 11,952,271 km (0.071 R)
• M40: 12,112,491 km (0.061 R)
• M41: 12,233,216 km (0.097 R)
• M42: 12,719,858 km (0.071 R)
• M43: 13,047,926 km (0.12 R)
• M44: 13,130,355 km (0.111 R)
• M45: 13,337,249 km (0.039 R)
• M46: 13,545,190 km (0.112 R)
• M47: 13,880,139 km (0.067 R)
• M48: 14,090,923 km (0.063 R)
• M49: 14,345,239 km (0.065 R)
• M50: 14,729,556 km (0.111 R)
• M51: 15,247,165 km (0.071 R)
• M52: 15,377,614 km (0.083 R)
• M53: 15,595,728 km (0.114 R)
• M54: 16,123,210 km (0.093 R)
• M55: 16,567,366 km (0.081 R)
• M56: 16,701,405 km (0.031 R)
• M57: 16,835,894 km (0.042 R)
• M58: 17,105,769 km (0.084 R)
• M59: 17,558,751 km (0.102 R)
• M60: 17,649,856 km (0.078 R)
• M61: 18,291,780 km (0.1 R)
• M62: 18,708,411 km (0.097 R)
• M63: 18,941,334 km (0.042 R)
• M64: 20,598,131 km (0.105 R)
• M65: 20,694,173 km (0.104 R)
• M66: 22,005,697 km (0.055 R)
• M67: 22,498,323 km (0.084 R)
• M68: 22,895,057 km (0.087 R)
• M69: 23,044,355 km (0.084 R)
• M70: 23,544,610 km (0.057 R)
• M71: 26,150,905 km (0.096 R)
• M72: 26,987,157 km (0.112 R)
• M73: 27,461,532 km (0.111 R)
• M74: 27,832,385 km (0.095 R)
• M75: 28,525,322 km (0.09 R)
• M76: 30,528,886 km (0.033 R)
• M77: 30,638,392 km (0.106 R)
• M78: 31,741,527 km (0.08 R)
• M79: 33,703,054 km (0.105 R)
• M80: 34,270,628 km (0.032 R)
• M81: 34,384,622 km (0.035 R)
• M82: 34,498,615 km (0.115 R)
• M83: 35,415,351 km (0.112 R)
• M84: 35,818,966 km (0.095 R)
• M85: 35,992,500 km (0.109 R)
• M86: 36,689,027 km (0.109 R)
• M87: 37,038,937 km (0.063 R)
• M88: 38,805,388 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.4

Radius: 11.9

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.6 AU - 8.54 AU

Year: 6866 Days

Day: 6.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 62,270,347 km

• M1: 175,777 km (0.086 R)
• M2: 424,409 km (0.115 R)
• M3: 582,085 km (0.059 R)
• M4: 1,412,952 km (0.108 R)
• M5: 1,884,784 km (0.084 R)
• M6: 2,074,174 km (0.091 R)
• M7: 2,359,009 km (0.066 R)
• M8: 2,494,694 km (0.075 R)
• M9: 2,680,046 km (0.116 R)
• M10: 3,039,679 km (0.053 R)
• M11: 4,292,412 km (0.101 R)
• M12: 5,355,604 km (0.084 R)
• M13: 5,475,282 km (0.097 R)
• M14: 5,686,963 km (0.106 R)
• M15: 6,025,204 km (0.084 R)
• M16: 6,560,615 km (0.107 R)
• M17: 7,210,318 km (0.101 R)
• M18: 7,476,004 km (0.108 R)
• M19: 7,576,384 km (0.114 R)
• M20: 8,119,873 km (0.071 R)
• M21: 8,396,330 km (0.094 R)
• M22: 8,746,240 km (0.081 R)
• M23: 9,029,727 km (0.117 R)
• M24: 9,172,593 km (0.114 R)
• M25: 10,008,696 km (0.087 R)
• M26: 10,156,499 km (0.104 R)
• M27: 10,529,446 km (0.086 R)
• M28: 10,642,243 km (0.04 R)
• M29: 11,135,617 km (0.116 R)
• M30: 11,714,261 km (0.117 R)
• M31: 11,792,052 km (0.083 R)
• M32: 12,066,115 km (0.041 R)
• M33: 12,500,847 km (0.03 R)
• M34: 12,660,169 km (0.092 R)
• M35: 12,820,238 km (0.107 R)
• M36: 13,021,298 km (0.081 R)
• M37: 13,753,729 km (0.085 R)
• M38: 14,207,908 km (0.041 R)
• M39: 14,961,881 km (0.112 R)
• M40: 15,428,926 km (0.112 R)
• M41: 15,557,131 km (0.029 R)
• M42: 16,247,077 km (0.087 R)
• M43: 16,595,789 km (0.097 R)
• M44: 16,771,118 km (0.115 R)
• M45: 17,300,545 km (0.106 R)
• M46: 18,739,527 km (0.043 R)
• M47: 19,797,333 km (0.119 R)
• M48: 20,169,832 km (0.093 R)
• M49: 20,827,315 km (0.062 R)
• M50: 21,491,828 km (0.054 R)
• M51: 21,778,757 km (0.115 R)
• M52: 22,259,714 km (0.109 R)
• M53: 22,550,084 km (0.111 R)
• M54: 22,890,419 km (0.067 R)
• M55: 23,330,386 km (0.117 R)
• M56: 23,576,026 km (0.112 R)
• M57: 23,921,448 km (0.104 R)
• M58: 24,020,332 km (0.072 R)
• M59: 24,169,182 km (0.107 R)
• M60: 24,967,585 km (0.086 R)
• M61: 25,067,966 km (0.108 R)
• M62: 25,673,388 km (0.119 R)
• M63: 27,777,632 km (0.092 R)
• M64: 27,986,022 km (0.114 R)
• M65: 28,194,711 km (0.083 R)
• M66: 28,456,507 km (0.107 R)
• M67: 28,771,560 km (0.071 R)
• M68: 28,982,343 km (0.054 R)
• M69: 29,617,536 km (0.06 R)
• M70: 30,901,834 km (0.076 R)
• M71: 31,442,331 km (0.09 R)
• M72: 31,822,459 km (0.106 R)
• M73: 32,095,026 km (0.095 R)
• M74: 32,204,233 km (0.039 R)
• M75: 32,862,164 km (0.11 R)
• M76: 32,972,268 km (0.066 R)
• M77: 33,192,776 km (0.103 R)
• M78: 34,191,341 km (0.116 R)
• M79: 34,302,792 km (0.088 R)
• M80: 35,481,473 km (0.079 R)
• M81: 35,934,007 km (0.079 R)
• M82: 37,188,235 km (0.059 R)
• M83: 37,475,314 km (0.089 R)
• M84: 37,590,355 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.3

Radius: 12.3

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.16 AU - 8.86 AU

Year: 8280 Days

Day: 8 Hours

Environment

Temp: -161 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 62,270,347 km

• M1: 231,129 km (0.096 R)
• M2: 331,509 km (0.101 R)
• M3: 408,253 km (0.044 R)
• M4: 794,514 km (0.038 R)
• M5: 891,603 km (0.107 R)
• M6: 1,098,647 km (0.067 R)
• M7: 1,519,914 km (0.088 R)
• M8: 1,601,894 km (0.094 R)
• M9: 1,685,519 km (0.119 R)
• M10: 2,312,484 km (0.101 R)
• M11: 2,407,778 km (0.112 R)
• M12: 2,504,418 km (0.116 R)
• M13: 2,602,405 km (0.05 R)
• M14: 2,776,985 km (0.104 R)
• M15: 3,541,730 km (0.117 R)
• M16: 3,763,882 km (0.097 R)
• M17: 4,667,902 km (0.106 R)
• M18: 5,128,963 km (0.084 R)
• M19: 6,161,039 km (0.12 R)
• M20: 6,769,453 km (0.084 R)
• M21: 6,976,497 km (0.102 R)
• M22: 7,326,406 km (0.034 R)
• M23: 7,717,904 km (0.117 R)
• M24: 7,825,913 km (0.115 R)
• M25: 7,934,372 km (0.049 R)
• M26: 8,152,934 km (0.118 R)
• M27: 8,410,392 km (0.07 R)
• M28: 8,933,386 km (0.106 R)
• M29: 10,247,305 km (0.117 R)
• M30: 10,485,464 km (0.119 R)
• M31: 11,088,793 km (0.082 R)
• M32: 11,333,235 km (0.12 R)
• M33: 11,620,763 km (0.06 R)
• M34: 11,910,833 km (0.056 R)
• M35: 12,455,668 km (0.118 R)
• M36: 13,094,451 km (0.119 R)
• M37: 13,744,005 km (0.095 R)
• M38: 14,006,849 km (0.07 R)
• M39: 14,626,333 km (0.07 R)
• M40: 14,760,373 km (0.094 R)
• M41: 14,849,833 km (0.095 R)
• M42: 15,436,256 km (0.113 R)
• M43: 16,864,766 km (0.104 R)
• M44: 17,713,734 km (0.053 R)
• M45: 18,287,293 km (0.108 R)
• M46: 18,431,654 km (0.119 R)
• M47: 19,452,959 km (0.101 R)
• M48: 19,995,102 km (0.115 R)
• M49: 20,742,642 km (0.108 R)
• M50: 20,993,817 km (0.086 R)
• M51: 21,855,351 km (0.065 R)
• M52: 22,008,689 km (0.042 R)
• M53: 22,111,014 km (0.106 R)
• M54: 22,316,262 km (0.064 R)
• M55: 22,522,109 km (0.067 R)
• M56: 22,935,747 km (0.081 R)
• M57: 23,560,767 km (0.1 R)
• M58: 24,191,621 km (0.099 R)
• M59: 25,362,374 km (0.063 R)
• M60: 25,630,902 km (0.042 R)
• M61: 25,900,627 km (0.073 R)
• M62: 26,988,353 km (0.119 R)
• M63: 27,262,716 km (0.056 R)
• M64: 27,648,230 km (0.103 R)
• M65: 29,321,183 km (0.056 R)
• M66: 30,056,157 km (0.093 R)
• M67: 31,544,506 km (0.097 R)
• M68: 32,472,312 km (0.109 R)
• M69: 32,764,178 km (0.066 R)
• M70: 33,644,711 km (0.114 R)
• M71: 33,939,867 km (0.117 R)
• M72: 34,354,702 km (0.078 R)
• M73: 34,652,103 km (0.115 R)
• M74: 34,830,872 km (0.108 R)
• M75: 34,950,251 km (0.109 R)
• M76: 35,609,230 km (0.112 R)
• M77: 37,122,113 km (0.053 R)
• M78: 37,366,107 km (0.117 R)
• M79: 38,409,253 km (0.101 R)
• M80: 38,532,522 km (0.113 R)
• M81: 39,337,508 km (0.104 R)
• M82: 39,648,522 km (0.051 R)
• M83: 39,835,669 km (0.071 R)
• M84: 40,335,775 km (0.084 R)
• M85: 40,775,144 km (0.087 R)
• M86: 42,293,712 km (0.078 R)
• M87: 42,676,233 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901

Radius: 9.5

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.52 AU - 8.86 AU

Year: 8561 Days

Day: 7.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 62,270,347 km

• M1: 119,678 km (0.102 R)
• M2: 584,180 km (0.027 R)
• M3: 694,433 km (0.104 R)
• M4: 1,011,730 km (0.116 R)
• M5: 1,414,747 km (0.052 R)
• M6: 1,501,215 km (0.119 R)
• M7: 1,912,310 km (0.079 R)
• M8: 2,944,834 km (0.032 R)
• M9: 3,140,957 km (0.075 R)
• M10: 3,226,377 km (0.057 R)
• M11: 3,907,048 km (0.107 R)
• M12: 3,999,050 km (0.11 R)
• M13: 4,598,639 km (0.08 R)
• M14: 5,092,012 km (0.032 R)
• M15: 5,464,511 km (0.115 R)
• M16: 5,775,974 km (0.101 R)
• M17: 5,986,757 km (0.117 R)
• M18: 6,271,891 km (0.071 R)
• M19: 6,597,864 km (0.074 R)
• M20: 6,707,819 km (0.099 R)
• M21: 7,153,621 km (0.117 R)
• M22: 7,380,261 km (0.095 R)
• M23: 8,034,902 km (0.099 R)
• M24: 8,270,369 km (0.106 R)
• M25: 8,428,793 km (0.079 R)
• M26: 9,481,962 km (0.062 R)
• M27: 9,647,716 km (0.108 R)
• M28: 9,982,068 km (0.085 R)
• M29: 10,619,354 km (0.11 R)
• M30: 10,791,392 km (0.052 R)
• M31: 11,401,303 km (0.111 R)
• M32: 11,533,397 km (0.066 R)
• M33: 11,710,372 km (0.084 R)
• M34: 11,888,244 km (0.105 R)
• M35: 12,067,013 km (0.068 R)
• M36: 13,066,177 km (0.08 R)
• M37: 13,158,330 km (0.1 R)
• M38: 13,436,133 km (0.06 R)
• M39: 13,997,574 km (0.109 R)
• M40: 14,186,366 km (0.08 R)
• M41: 14,281,062 km (0.111 R)
• M42: 14,376,056 km (0.078 R)
• M43: 14,806,000 km (0.109 R)
• M44: 15,094,874 km (0.077 R)
• M45: 15,288,454 km (0.068 R)
• M46: 15,580,618 km (0.097 R)
• M47: 16,817,194 km (0.086 R)
• M48: 17,169,048 km (0.073 R)
• M49: 17,625,172 km (0.103 R)
• M50: 17,727,048 km (0.094 R)
• M51: 17,982,562 km (0.098 R)
• M52: 18,600,999 km (0.113 R)
• M53: 18,704,671 km (0.118 R)
• M54: 19,805,561 km (0.085 R)
• M55: 20,230,419 km (0.065 R)
• M56: 20,819,536 km (0.077 R)
• M57: 21,905,167 km (0.05 R)
• M58: 22,014,823 km (0.03 R)
• M59: 22,289,484 km (0.119 R)
• M60: 23,792,644 km (0.052 R)
• M61: 24,300,977 km (0.114 R)
• M62: 24,984,340 km (0.054 R)
• M63: 29,094,392 km (0.114 R)
• M64: 29,214,968 km (0.083 R)
• M65: 29,577,444 km (0.086 R)
• M66: 30,306,733 km (0.101 R)
• M67: 30,980,522 km (0.099 R)
• M68: 34,168,453 km (0.066 R)
• M69: 35,189,907 km (0.095 R)
• M70: 35,575,570 km (0.075 R)
• M71: 37,918,722 km (0.062 R)
• M72: 38,314,109 km (0.104 R)
• M73: 38,710,843 km (0.1 R)
• M74: 39,308,486 km (0.118 R)
• M75: 39,575,070 km (0.115 R)
• M76: 40,311,241 km (0.064 R)
• M77: 41,187,286 km (0.1 R)
• M78: 41,729,428 km (0.119 R)
• M79: 42,478,764 km (0.082 R)
• M80: 42,546,981 km (0.084 R)
• M81: 43,232,438 km (0.065 R)
• M82: 43,576,513 km (0.072 R)
• M83: 43,990,750 km (0.118 R)
• M84: 44,267,506 km (0.109 R)
• M85: 44,544,860 km (0.093 R)
• M86: 45,520,238 km (0.065 R)
• M87: 46,150,943 km (0.087 R)
• M88: 46,714,029 km (0.056 R)
• M89: 47,208,600 km (0.088 R)

Asteroid Belt

Center: 11.91 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 15.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.4

Radius: 3.8

Gravity: 20.46 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 14.5 AU - 16.74 AU

Year: 22548 Days

Day: 24.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 62,270,347 km

• M1: 49,218 km (0.106 R)
• M2: 139,425 km (0.093 R)
• M3: 173,234 km (0.026 R)
• M4: 293,212 km (0.119 R)
• M5: 582,833 km (0.105 R)
• M6: 871,856 km (0.062 R)
• M7: 1,078,451 km (0.045 R)
• M8: 1,299,856 km (0.069 R)
• M9: 2,044,554 km (0.094 R)
• M10: 2,194,601 km (0.109 R)
• M11: 2,286,454 km (0.099 R)
• M12: 2,317,271 km (0.084 R)
• M13: 2,698,746 km (0.099 R)
• M14: 2,930,173 km (0.085 R)
• M15: 3,168,034 km (0.077 R)
• M16: 3,376,723 km (0.101 R)
• M17: 4,878,536 km (0.073 R)
• M18: 5,822,648 km (0.058 R)
• M19: 6,120,946 km (0.077 R)
• M20: 6,337,115 km (0.069 R)
• M21: 6,821,364 km (0.054 R)
• M22: 8,391,842 km (0.118 R)
• M23: 8,680,117 km (0.118 R)
• M24: 8,728,437 km (0.072 R)
• M25: 8,922,765 km (0.118 R)
• M26: 10,118,501 km (0.082 R)
• M27: 10,220,527 km (0.12 R)
• M28: 12,112,042 km (0.08 R)
• M29: 13,543,544 km (0.05 R)
• M30: 14,051,279 km (0.094 R)
• M31: 14,795,828 km (0.105 R)
• M32: 14,969,511 km (0.076 R)
• M33: 15,027,405 km (0.118 R)
• M34: 15,847,650 km (0.112 R)
• M35: 15,965,982 km (0.078 R)
• M36: 16,084,613 km (0.055 R)
• M37: 16,442,302 km (0.037 R)
• M38: 17,592,261 km (0.046 R)
• M39: 19,396,860 km (0.056 R)
• M40: 20,032,501 km (0.055 R)
• M41: 20,224,585 km (0.03 R)
• M42: 20,288,762 km (0.047 R)
• M43: 20,675,174 km (0.105 R)
• M44: 22,311,026 km (0.075 R)
• M45: 22,843,146 km (0.098 R)
• M46: 23,043,757 km (0.108 R)
• M47: 23,987,869 km (0.049 R)
• M48: 24,533,004 km (0.04 R)
• M49: 25,220,107 km (0.1 R)
• M50: 26,683,623 km (0.109 R)
• M51: 27,603,201 km (0.095 R)
• M52: 33,107,654 km (0.096 R)
• M53: 34,018,855 km (0.102 R)
• M54: 37,115,381 km (0.109 R)
• M55: 37,745,488 km (0.109 R)
• M56: 38,220,311 km (0.12 R)
• M57: 39,897,902 km (0.087 R)
• M58: 40,624,050 km (0.083 R)
• M59: 40,867,146 km (0.096 R)
• M60: 41,844,170 km (0.115 R)
• M61: 41,926,000 km (0.09 R)
• M62: 42,993,830 km (0.091 R)
• M63: 43,572,474 km (0.078 R)
• M64: 44,653,917 km (0.091 R)
• M65: 45,072,342 km (0.117 R)
• M66: 45,407,890 km (0.118 R)
• M67: 45,491,964 km (0.111 R)
• M68: 46,335,098 km (0.109 R)
• M69: 48,465,222 km (0.094 R)
• M70: 49,758,645 km (0.117 R)
• M71: 50,018,796 km (0.104 R)
• M72: 51,500,862 km (0.114 R)
• M73: 52,467,414 km (0.115 R)
• M74: 53,706,384 km (0.091 R)
• M75: 54,240,298 km (0.103 R)
• M76: 54,329,459 km (0.084 R)
• M77: 54,507,929 km (0.099 R)
• M78: 54,865,468 km (0.114 R)
• M79: 55,044,537 km (0.077 R)
• M80: 55,134,146 km (0.061 R)
• M81: 55,852,664 km (0.071 R)
• M82: 58,849,110 km (0.102 R)
• M83: 60,136,100 km (0.105 R)
• M84: 60,320,704 km (0.073 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 17,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit