🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.5

Radius: 9.3

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.54 AU - 0.68 AU

Year: 318 Days

Day: 10.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 67,788,423 km

• M1: 122,670 km (0.05 R)
• M2: 202,705 km (0.107 R)
• M3: 275,559 km (0.084 R)
• M4: 340,934 km (0.077 R)
• M5: 399,576 km (0.092 R)
• M6: 492,476 km (0.082 R)
• M7: 580,739 km (0.06 R)
• M8: 647,460 km (0.12 R)
• M9: 706,551 km (0.086 R)
• M10: 994,227 km (0.111 R)
• M11: 1,059,452 km (0.076 R)
• M12: 1,134,700 km (0.114 R)
• M13: 1,233,734 km (0.101 R)
• M14: 1,308,682 km (0.099 R)
• M15: 1,431,203 km (0.083 R)
• M16: 1,571,974 km (0.12 R)
• M17: 1,668,315 km (0.071 R)
• M18: 1,732,194 km (0.098 R)
• M19: 1,796,820 km (0.1 R)
• M20: 1,902,885 km (0.041 R)
• M21: 2,000,872 km (0.099 R)
• M22: 2,079,261 km (0.026 R)
• M23: 2,234,095 km (0.04 R)
• M24: 2,348,537 km (0.066 R)
• M25: 2,437,099 km (0.081 R)
• M26: 2,504,268 km (0.101 R)
• M27: 2,629,183 km (0.114 R)
• M28: 2,703,832 km (0.111 R)
• M29: 2,761,876 km (0.052 R)
• M30: 2,849,690 km (0.116 R)
• M31: 2,956,204 km (0.105 R)
• M32: 3,052,096 km (0.086 R)
• M33: 3,112,533 km (0.115 R)
• M34: 3,302,672 km (0.091 R)
• M35: 3,414,721 km (0.111 R)
• M36: 3,547,115 km (0.108 R)
• M37: 3,674,872 km (0.081 R)
• M38: 4,014,160 km (0.11 R)
• M39: 4,080,432 km (0.074 R)
• M40: 4,180,812 km (0.117 R)
• M41: 4,343,125 km (0.111 R)
• M42: 4,493,621 km (0.075 R)
• M43: 4,597,292 km (0.116 R)
• M44: 4,680,768 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255

Radius: 10.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.68 AU - 0.76 AU

Year: 407 Days

Day: 9.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,788,423 km

• M1: 132,095 km (0.074 R)
• M2: 226,641 km (0.107 R)
• M3: 299,645 km (0.114 R)
• M4: 368,310 km (0.081 R)
• M5: 433,983 km (0.09 R)
• M6: 563,236 km (0.043 R)
• M7: 633,248 km (0.109 R)
• M8: 750,981 km (0.112 R)
• M9: 816,206 km (0.069 R)
• M10: 918,082 km (0.107 R)
• M11: 991,983 km (0.102 R)
• M12: 1,064,538 km (0.088 R)
• M13: 1,157,738 km (0.085 R)
• M14: 1,234,482 km (0.062 R)
• M15: 1,438,234 km (0.071 R)
• M16: 1,567,636 km (0.116 R)
• M17: 1,640,191 km (0.084 R)
• M18: 1,740,422 km (0.044 R)
• M19: 1,947,016 km (0.107 R)
• M20: 2,043,956 km (0.094 R)
• M21: 2,128,479 km (0.043 R)
• M22: 2,195,050 km (0.091 R)
• M23: 2,286,603 km (0.113 R)
• M24: 2,413,911 km (0.12 R)
• M25: 2,488,411 km (0.039 R)
• M26: 2,629,631 km (0.076 R)
• M27: 2,747,664 km (0.053 R)
• M28: 2,867,642 km (0.099 R)
• M29: 2,952,015 km (0.117 R)
• M30: 3,058,828 km (0.111 R)
• M31: 3,123,454 km (0.086 R)
• M32: 3,199,450 km (0.032 R)
• M33: 3,532,455 km (0.103 R)
• M34: 3,929,338 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.4

Radius: 10.8

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.65 AU - 0.91 AU

Year: 459 Days

Day: 11.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,788,423 km

• M1: 164,707 km (0.108 R)
• M2: 259,852 km (0.113 R)
• M3: 390,899 km (0.085 R)
• M4: 480,508 km (0.096 R)
• M5: 556,354 km (0.117 R)
• M6: 663,766 km (0.099 R)
• M7: 905,666 km (0.07 R)
• M8: 1,039,556 km (0.096 R)
• M9: 1,138,290 km (0.066 R)
• M10: 1,422,077 km (0.111 R)
• M11: 1,504,805 km (0.045 R)
• M12: 1,631,963 km (0.101 R)
• M13: 1,733,540 km (0.065 R)
• M14: 1,812,229 km (0.087 R)
• M15: 1,882,240 km (0.09 R)
• M16: 1,963,472 km (0.093 R)
• M17: 2,066,545 km (0.106 R)
• M18: 2,166,327 km (0.096 R)
• M19: 2,316,224 km (0.094 R)
• M20: 2,408,975 km (0.051 R)
• M21: 2,491,852 km (0.09 R)
• M22: 2,570,091 km (0.101 R)
• M23: 2,671,968 km (0.107 R)
• M24: 2,752,152 km (0.086 R)
• M25: 2,991,808 km (0.114 R)
• M26: 3,063,166 km (0.096 R)
• M27: 3,147,390 km (0.094 R)
• M28: 3,398,116 km (0.069 R)
• M29: 3,529,014 km (0.105 R)
• M30: 3,604,710 km (0.113 R)
• M31: 3,815,494 km (0.06 R)
• M32: 3,899,717 km (0.115 R)
• M33: 3,997,554 km (0.075 R)
• M34: 4,116,185 km (0.117 R)
• M35: 4,215,967 km (0.092 R)
• M36: 4,309,765 km (0.072 R)
• M37: 4,397,579 km (0.092 R)
• M38: 4,685,106 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.1

Radius: 13.6

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.67 AU - 1.89 AU

Year: 1584 Days

Day: 5.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 67,788,423 km

• M1: 169,494 km (0.116 R)
• M2: 259,253 km (0.115 R)
• M3: 451,636 km (0.111 R)
• M4: 556,055 km (0.103 R)
• M5: 682,316 km (0.072 R)
• M6: 813,812 km (0.038 R)
• M7: 915,539 km (0.096 R)
• M8: 1,126,173 km (0.099 R)
• M9: 1,248,843 km (0.049 R)
• M10: 1,338,303 km (0.091 R)
• M11: 1,469,201 km (0.088 R)
• M12: 1,678,039 km (0.119 R)
• M13: 1,845,589 km (0.117 R)
• M14: 1,975,141 km (0.101 R)
• M15: 2,116,660 km (0.088 R)
• M16: 2,225,268 km (0.072 R)
• M17: 2,382,346 km (0.1 R)
• M18: 2,485,868 km (0.066 R)
• M19: 2,688,124 km (0.109 R)
• M20: 2,915,962 km (0.119 R)
• M21: 3,171,026 km (0.055 R)
• M22: 3,285,618 km (0.057 R)
• M23: 3,380,463 km (0.11 R)
• M24: 3,890,592 km (0.116 R)
• M25: 4,047,370 km (0.08 R)
• M26: 4,172,135 km (0.108 R)
• M27: 4,471,929 km (0.072 R)
• M28: 4,636,337 km (0.072 R)
• M29: 5,190,897 km (0.11 R)
• M30: 5,351,565 km (0.119 R)
• M31: 5,804,846 km (0.093 R)
• M32: 6,101,200 km (0.042 R)
• M33: 6,231,499 km (0.101 R)
• M34: 6,402,340 km (0.069 R)
• M35: 6,628,233 km (0.115 R)
• M36: 6,816,277 km (0.079 R)
• M37: 7,266,417 km (0.081 R)
• M38: 7,460,296 km (0.087 R)
• M39: 7,557,984 km (0.079 R)
• M40: 7,839,228 km (0.119 R)
• M41: 7,981,196 km (0.103 R)
• M42: 8,426,698 km (0.098 R)
• M43: 8,528,425 km (0.108 R)
• M44: 8,659,922 km (0.078 R)
• M45: 8,762,546 km (0.086 R)
• M46: 8,998,761 km (0.117 R)
• M47: 9,117,691 km (0.04 R)
• M48: 9,207,300 km (0.099 R)
• M49: 9,357,048 km (0.044 R)
• M50: 9,689,753 km (0.046 R)
• M51: 9,888,120 km (0.09 R)
• M52: 9,980,123 km (0.059 R)
• M53: 10,103,242 km (0.107 R)
• M54: 10,507,006 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.7

Radius: 10.7

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.93 AU - 2.83 AU

Year: 2448 Days

Day: 5.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 67,788,423 km

• M1: 134,788 km (0.038 R)
• M2: 210,634 km (0.112 R)
• M3: 321,486 km (0.097 R)
• M4: 418,575 km (0.03 R)
• M5: 543,788 km (0.11 R)
• M6: 674,686 km (0.104 R)
• M7: 798,703 km (0.045 R)
• M8: 892,351 km (0.104 R)
• M9: 1,081,293 km (0.076 R)
• M10: 1,339,051 km (0.099 R)
• M11: 1,475,484 km (0.094 R)
• M12: 1,545,496 km (0.06 R)
• M13: 1,640,640 km (0.104 R)
• M14: 1,762,562 km (0.089 R)
• M15: 1,849,778 km (0.061 R)
• M16: 2,041,562 km (0.118 R)
• M17: 2,186,522 km (0.081 R)
• M18: 2,321,310 km (0.094 R)
• M19: 2,785,812 km (0.119 R)
• M20: 3,126,745 km (0.086 R)
• M21: 3,402,903 km (0.109 R)
• M22: 3,544,123 km (0.106 R)
• M23: 3,655,125 km (0.069 R)
• M24: 3,735,309 km (0.112 R)
• M25: 3,848,405 km (0.101 R)
• M26: 4,028,671 km (0.075 R)
• M27: 4,278,798 km (0.113 R)
• M28: 5,059,849 km (0.1 R)
• M29: 5,402,877 km (0.082 R)
• M30: 5,865,733 km (0.032 R)
• M31: 6,073,524 km (0.047 R)
• M32: 6,207,115 km (0.095 R)
• M33: 6,496,437 km (0.084 R)
• M34: 6,574,378 km (0.112 R)
• M35: 6,652,617 km (0.086 R)
• M36: 6,829,741 km (0.106 R)
• M37: 7,068,350 km (0.082 R)
• M38: 7,249,214 km (0.077 R)
• M39: 7,925,396 km (0.104 R)
• M40: 8,239,402 km (0.067 R)
• M41: 8,408,597 km (0.073 R)
• M42: 9,780,858 km (0.052 R)
• M43: 9,982,516 km (0.033 R)
• M44: 10,117,753 km (0.1 R)
• M45: 10,367,282 km (0.109 R)
• M46: 10,527,053 km (0.063 R)
• M47: 10,641,794 km (0.116 R)
• M48: 11,174,662 km (0.106 R)
• M49: 11,526,965 km (0.076 R)
• M50: 11,692,570 km (0.118 R)
• M51: 12,146,150 km (0.103 R)
• M52: 12,484,092 km (0.108 R)
• M53: 13,268,134 km (0.084 R)
• M54: 13,566,283 km (0.035 R)
• M55: 13,942,073 km (0.101 R)
• M56: 14,499,474 km (0.112 R)
• M57: 14,652,812 km (0.094 R)
• M58: 14,729,556 km (0.114 R)
• M59: 15,038,326 km (0.064 R)
• M60: 15,167,579 km (0.102 R)
• M61: 15,245,369 km (0.063 R)
• M62: 15,898,364 km (0.111 R)
• M63: 16,030,010 km (0.059 R)
• M64: 16,109,297 km (0.093 R)
• M65: 16,188,584 km (0.04 R)
• M66: 16,400,714 km (0.099 R)
• M67: 16,507,227 km (0.099 R)
• M68: 16,613,891 km (0.073 R)
• M69: 16,694,075 km (0.096 R)
• M70: 17,042,937 km (0.11 R)
• M71: 17,312,812 km (0.083 R)
• M72: 18,186,314 km (0.105 R)
• M73: 18,517,524 km (0.071 R)

Asteroid Belt

Center: 5.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.8

Radius: 7.9

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.32 AU - 10.14 AU

Year: 15745 Days

Day: 20 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 67,788,423 km

• M1: 213,925 km (0.11 R)
• M2: 268,528 km (0.118 R)
• M3: 369,507 km (0.069 R)
• M4: 515,813 km (0.036 R)
• M5: 717,172 km (0.115 R)
• M6: 1,085,632 km (0.119 R)
• M7: 1,391,709 km (0.091 R)
• M8: 1,530,985 km (0.077 R)
• M9: 1,650,813 km (0.12 R)
• M10: 2,432,611 km (0.116 R)
• M11: 2,980,139 km (0.053 R)
• M12: 3,984,988 km (0.091 R)
• M13: 4,084,171 km (0.076 R)
• M14: 4,592,655 km (0.067 R)
• M15: 4,801,643 km (0.115 R)
• M16: 4,872,103 km (0.113 R)
• M17: 5,410,805 km (0.08 R)
• M18: 5,631,761 km (0.087 R)
• M19: 6,006,355 km (0.069 R)
• M20: 6,082,201 km (0.053 R)
• M21: 6,350,430 km (0.091 R)
• M22: 6,819,269 km (0.091 R)
• M23: 6,977,993 km (0.083 R)
• M24: 7,748,721 km (0.074 R)
• M25: 8,165,201 km (0.093 R)
• M26: 8,890,003 km (0.072 R)
• M27: 9,238,117 km (0.089 R)
• M28: 9,325,931 km (0.113 R)
• M29: 9,458,026 km (0.047 R)
• M30: 10,173,254 km (0.095 R)
• M31: 11,372,281 km (0.03 R)
• M32: 11,655,320 km (0.111 R)
• M33: 11,940,603 km (0.081 R)
• M34: 12,084,217 km (0.043 R)
• M35: 12,518,200 km (0.104 R)
• M36: 13,006,488 km (0.098 R)
• M37: 13,104,923 km (0.108 R)
• M38: 13,302,542 km (0.119 R)
• M39: 14,052,177 km (0.08 R)
• M40: 15,435,807 km (0.091 R)
• M41: 15,487,868 km (0.1 R)
• M42: 16,701,854 km (0.072 R)
• M43: 17,077,345 km (0.119 R)
• M44: 17,347,369 km (0.072 R)
• M45: 17,891,457 km (0.079 R)
• M46: 19,052,186 km (0.117 R)
• M47: 19,669,876 km (0.089 R)
• M48: 19,952,915 km (0.11 R)
• M49: 21,854,005 km (0.107 R)
• M50: 22,500,567 km (0.073 R)
• M51: 23,093,722 km (0.117 R)
• M52: 23,812,241 km (0.106 R)
• M53: 23,932,667 km (0.096 R)
• M54: 24,598,976 km (0.099 R)
• M55: 24,781,785 km (0.103 R)
• M56: 25,578,992 km (0.089 R)
• M57: 25,640,626 km (0.103 R)
• M58: 26,322,194 km (0.107 R)
• M59: 26,696,638 km (0.058 R)
• M60: 27,324,350 km (0.088 R)
• M61: 27,766,711 km (0.099 R)
• M62: 28,530,558 km (0.103 R)
• M63: 28,979,352 km (0.044 R)
• M64: 29,754,119 km (0.11 R)
• M65: 30,274,271 km (0.089 R)
• M66: 32,652,578 km (0.091 R)
• M67: 32,786,318 km (0.117 R)
• M68: 33,189,185 km (0.088 R)
• M69: 33,593,548 km (0.089 R)
• M70: 34,067,325 km (0.028 R)
• M71: 35,777,528 km (0.114 R)
• M72: 37,026,071 km (0.119 R)
• M73: 37,585,567 km (0.078 R)
• M74: 37,936,674 km (0.062 R)
• M75: 38,218,366 km (0.117 R)
• M76: 39,138,693 km (0.102 R)
• M77: 40,281,321 km (0.109 R)
• M78: 42,672,344 km (0.106 R)
• M79: 43,405,972 km (0.096 R)
• M80: 44,439,992 km (0.105 R)
• M81: 44,885,644 km (0.088 R)
• M82: 46,607,516 km (0.077 R)
• M83: 47,362,985 km (0.092 R)
• M84: 48,122,493 km (0.11 R)
• M85: 48,351,079 km (0.093 R)
• M86: 49,807,414 km (0.116 R)
• M87: 51,667,514 km (0.029 R)
• M88: 51,901,635 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.3

Radius: 3.3

Gravity: 47.41 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.21 AU - 11.69 AU

Year: 19372 Days

Day: 19.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 67,788,423 km

• M1: 130,150 km (0.075 R)
• M2: 204,650 km (0.109 R)
• M3: 503,846 km (0.096 R)
• M4: 542,891 km (0.058 R)
• M5: 1,086,978 km (0.114 R)
• M6: 1,322,744 km (0.115 R)
• M7: 2,056,223 km (0.037 R)
• M8: 2,313,232 km (0.033 R)
• M9: 2,787,158 km (0.104 R)
• M10: 2,892,475 km (0.059 R)
• M11: 3,143,500 km (0.118 R)
• M12: 3,743,088 km (0.08 R)
• M13: 3,937,566 km (0.075 R)
• M14: 4,215,369 km (0.073 R)
• M15: 4,336,244 km (0.055 R)
• M16: 5,043,243 km (0.102 R)
• M17: 5,785,249 km (0.081 R)
• M18: 7,758,894 km (0.083 R)
• M19: 8,156,226 km (0.1 R)
• M20: 9,178,577 km (0.083 R)
• M21: 9,598,648 km (0.049 R)
• M22: 9,864,334 km (0.111 R)
• M23: 9,917,740 km (0.092 R)
• M24: 10,024,853 km (0.104 R)
• M25: 10,078,558 km (0.077 R)
• M26: 10,240,423 km (0.101 R)
• M27: 10,621,150 km (0.115 R)
• M28: 11,228,816 km (0.099 R)
• M29: 11,340,416 km (0.08 R)
• M30: 12,075,391 km (0.102 R)
• M31: 13,353,854 km (0.096 R)
• M32: 13,769,437 km (0.087 R)
• M33: 14,735,540 km (0.077 R)
• M34: 15,288,454 km (0.064 R)
• M35: 15,412,171 km (0.08 R)
• M36: 17,244,296 km (0.082 R)
• M37: 17,437,577 km (0.117 R)
• M38: 20,491,916 km (0.08 R)
• M39: 21,522,945 km (0.084 R)
• M40: 21,661,622 km (0.078 R)
• M41: 21,731,185 km (0.093 R)
• M42: 23,420,743 km (0.064 R)
• M43: 23,849,790 km (0.114 R)
• M44: 26,181,123 km (0.079 R)
• M45: 26,551,827 km (0.09 R)
• M46: 27,901,050 km (0.105 R)
• M47: 28,660,110 km (0.07 R)
• M48: 29,118,777 km (0.093 R)
• M49: 30,353,857 km (0.054 R)
• M50: 30,665,320 km (0.091 R)
• M51: 30,743,260 km (0.115 R)
• M52: 31,763,667 km (0.114 R)
• M53: 32,079,767 km (0.06 R)
• M54: 33,595,792 km (0.089 R)
• M55: 33,837,243 km (0.099 R)
• M56: 34,403,022 km (0.085 R)
• M57: 34,484,104 km (0.119 R)
• M58: 35,789,944 km (0.031 R)
• M59: 35,954,203 km (0.098 R)
• M60: 38,365,571 km (0.117 R)
• M61: 38,702,166 km (0.1 R)
• M62: 39,293,826 km (0.098 R)
• M63: 40,400,251 km (0.032 R)
• M64: 40,742,681 km (0.092 R)
• M65: 41,172,176 km (0.042 R)
• M66: 41,516,850 km (0.104 R)
• M67: 42,992,483 km (0.099 R)
• M68: 43,079,699 km (0.047 R)
• M69: 43,604,937 km (0.107 R)
• M70: 43,692,751 km (0.119 R)
• M71: 43,868,379 km (0.06 R)
• M72: 45,370,940 km (0.082 R)
• M73: 47,070,072 km (0.047 R)
• M74: 47,611,018 km (0.118 R)
• M75: 48,608,088 km (0.049 R)
• M76: 48,699,044 km (0.106 R)
• M77: 49,703,444 km (0.067 R)
• M78: 49,795,147 km (0.108 R)
• M79: 50,162,410 km (0.062 R)
• M80: 55,491,385 km (0.057 R)
• M81: 55,586,530 km (0.075 R)
• M82: 57,115,270 km (0.087 R)
• M83: 57,692,120 km (0.11 R)
• M84: 58,174,274 km (0.039 R)
• M85: 61,095,172 km (0.091 R)
• M86: 61,685,036 km (0.107 R)
• M87: 62,178,111 km (0.059 R)
• M88: 63,366,666 km (0.098 R)
• M89: 63,565,482 km (0.038 R)
• M90: 64,662,782 km (0.11 R)
• M91: 66,572,698 km (0.114 R)
• M92: 66,977,061 km (0.081 R)
• M93: 67,078,339 km (0.095 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 17,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit