🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.1

Radius: 14.6

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.73 AU - 0.77 AU

Year: 441 Days

Day: 7.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 27,497,046 km

• M1: 188,194 km (0.104 R)
• M2: 346,618 km (0.108 R)
• M3: 458,368 km (0.047 R)
• M4: 587,920 km (0.109 R)
• M5: 690,095 km (0.047 R)
• M6: 841,638 km (0.078 R)
• M7: 948,301 km (0.114 R)
• M8: 1,068,727 km (0.105 R)
• M9: 1,271,283 km (0.04 R)
• M10: 1,387,071 km (0.113 R)
• M11: 1,492,089 km (0.026 R)
• M12: 1,585,139 km (0.079 R)
• M13: 1,913,806 km (0.106 R)
• M14: 2,042,909 km (0.057 R)
• M15: 2,169,468 km (0.096 R)
• M16: 2,270,447 km (0.119 R)
• M17: 2,465,672 km (0.105 R)
• M18: 2,595,074 km (0.118 R)
• M19: 2,751,105 km (0.04 R)
• M20: 3,028,459 km (0.06 R)
• M21: 3,174,018 km (0.109 R)
• M22: 3,270,060 km (0.109 R)
• M23: 3,432,523 km (0.118 R)
• M24: 3,597,829 km (0.07 R)
• M25: 3,826,863 km (0.084 R)
• M26: 4,033,009 km (0.088 R)
• M27: 4,427,798 km (0.082 R)
• M28: 4,579,191 km (0.088 R)
• M29: 4,703,058 km (0.08 R)
• M30: 4,813,162 km (0.048 R)
• M31: 4,909,353 km (0.085 R)
• M32: 5,073,761 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715

Radius: 8.2

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.75 AU - 1.05 AU

Year: 579 Days

Day: 11.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 27,497,046 km

• M1: 123,867 km (0.086 R)
• M2: 186,997 km (0.098 R)
• M3: 249,380 km (0.082 R)
• M4: 335,698 km (0.041 R)
• M5: 389,104 km (0.115 R)
• M6: 442,211 km (0.112 R)
• M7: 498,161 km (0.118 R)
• M8: 565,480 km (0.102 R)
• M9: 631,752 km (0.042 R)
• M10: 686,953 km (0.097 R)
• M11: 792,570 km (0.086 R)
• M12: 898,634 km (0.041 R)
• M13: 988,244 km (0.095 R)
• M14: 1,080,845 km (0.116 R)
• M15: 1,176,587 km (0.076 R)
• M16: 1,334,563 km (0.066 R)
• M17: 1,431,502 km (0.059 R)
• M18: 1,499,569 km (0.105 R)
• M19: 1,619,846 km (0.063 R)
• M20: 1,671,457 km (0.037 R)
• M21: 1,749,846 km (0.106 R)
• M22: 1,816,268 km (0.063 R)
• M23: 1,890,169 km (0.083 R)
• M24: 1,958,386 km (0.113 R)
• M25: 2,090,181 km (0.06 R)
• M26: 2,146,580 km (0.087 R)
• M27: 2,217,788 km (0.113 R)
• M28: 2,318,917 km (0.083 R)
• M29: 2,510,851 km (0.096 R)
• M30: 2,661,945 km (0.064 R)
• M31: 2,754,097 km (0.078 R)
• M32: 2,823,959 km (0.108 R)
• M33: 2,949,472 km (0.108 R)
• M34: 3,029,058 km (0.077 R)
• M35: 3,117,171 km (0.059 R)
• M36: 3,181,947 km (0.082 R)
• M37: 3,288,161 km (0.028 R)
• M38: 3,478,898 km (0.094 R)
• M39: 3,698,807 km (0.12 R)
• M40: 3,793,353 km (0.108 R)
• M41: 3,993,366 km (0.074 R)
• M42: 4,241,848 km (0.092 R)
• M43: 4,313,655 km (0.117 R)
• M44: 4,404,161 km (0.118 R)
• M45: 4,753,622 km (0.036 R)
• M46: 4,865,820 km (0.089 R)
• M47: 5,016,914 km (0.115 R)
• M48: 5,498,769 km (0.074 R)
• M49: 5,745,306 km (0.087 R)
• M50: 6,056,171 km (0.102 R)
• M51: 6,239,129 km (0.113 R)
• M52: 6,300,614 km (0.099 R)
• M53: 6,372,420 km (0.109 R)
• M54: 6,465,321 km (0.079 R)
• M55: 6,746,565 km (0.113 R)
• M56: 6,904,540 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.7

Radius: 14.4

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.23 AU - 1.63 AU

Year: 1160 Days

Day: 7.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 27,497,046 km

• M1: 185,950 km (0.119 R)
• M2: 299,046 km (0.091 R)
• M3: 411,245 km (0.053 R)
• M4: 556,953 km (0.099 R)
• M5: 650,302 km (0.052 R)
• M6: 809,175 km (0.099 R)
• M7: 918,531 km (0.069 R)
• M8: 1,224,309 km (0.113 R)
• M9: 1,320,201 km (0.048 R)
• M10: 1,494,782 km (0.029 R)
• M11: 1,633,160 km (0.047 R)
• M12: 2,008,351 km (0.106 R)
• M13: 2,211,356 km (0.054 R)
• M14: 2,585,799 km (0.073 R)
• M15: 2,807,503 km (0.078 R)
• M16: 3,068,851 km (0.036 R)
• M17: 3,168,932 km (0.084 R)
• M18: 3,487,426 km (0.096 R)
• M19: 3,662,455 km (0.112 R)
• M20: 3,804,723 km (0.109 R)
• M21: 4,045,725 km (0.059 R)
• M22: 4,267,130 km (0.107 R)
• M23: 4,645,163 km (0.086 R)
• M24: 4,877,339 km (0.099 R)
• M25: 5,073,612 km (0.089 R)
• M26: 5,528,539 km (0.053 R)
• M27: 5,857,654 km (0.055 R)
• M28: 6,136,953 km (0.117 R)
• M29: 6,320,809 km (0.095 R)
• M30: 6,506,610 km (0.057 R)
• M31: 6,607,439 km (0.089 R)
• M32: 6,839,764 km (0.114 R)
• M33: 6,986,370 km (0.102 R)
• M34: 7,342,413 km (0.04 R)
• M35: 7,658,962 km (0.08 R)
• M36: 7,887,847 km (0.103 R)
• M37: 8,057,192 km (0.119 R)
• M38: 8,274,408 km (0.04 R)
• M39: 8,493,718 km (0.115 R)
• M40: 8,635,687 km (0.107 R)
• M41: 8,842,132 km (0.073 R)
• M42: 8,969,888 km (0.109 R)
• M43: 9,114,549 km (0.111 R)
• M44: 9,243,652 km (0.072 R)
• M45: 9,373,503 km (0.095 R)
• M46: 9,471,340 km (0.112 R)
• M47: 9,602,089 km (0.064 R)
• M48: 9,750,191 km (0.029 R)
• M49: 9,865,680 km (0.097 R)
• M50: 10,031,734 km (0.118 R)
• M51: 10,265,555 km (0.092 R)
• M52: 10,433,853 km (0.112 R)
• M53: 10,858,412 km (0.048 R)
• M54: 11,150,277 km (0.115 R)
• M55: 11,253,949 km (0.092 R)
• M56: 11,514,548 km (0.065 R)
• M57: 11,654,273 km (0.098 R)
• M58: 11,900,361 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.2

Radius: 12.6

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.26 AU - 1.72 AU

Year: 1234 Days

Day: 8.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 113.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 27,497,046 km

• M1: 169,794 km (0.083 R)
• M2: 325,076 km (0.094 R)
• M3: 480,359 km (0.118 R)
• M4: 713,133 km (0.12 R)
• M5: 848,070 km (0.089 R)
• M6: 961,316 km (0.083 R)
• M7: 1,088,175 km (0.032 R)
• M8: 1,212,640 km (0.116 R)
• M9: 1,298,510 km (0.092 R)
• M10: 1,395,449 km (0.074 R)
• M11: 1,485,806 km (0.11 R)
• M12: 1,615,807 km (0.105 R)
• M13: 1,927,868 km (0.086 R)
• M14: 2,410,470 km (0.052 R)
• M15: 2,531,495 km (0.114 R)
• M16: 2,677,203 km (0.092 R)
• M17: 2,768,309 km (0.109 R)
• M18: 2,941,992 km (0.115 R)
• M19: 3,155,318 km (0.053 R)
• M20: 3,239,691 km (0.084 R)
• M21: 3,361,464 km (0.111 R)
• M22: 3,534,698 km (0.112 R)
• M23: 3,954,769 km (0.104 R)
• M24: 4,085,368 km (0.063 R)
• M25: 4,283,885 km (0.059 R)
• M26: 4,377,533 km (0.059 R)
• M27: 4,539,847 km (0.058 R)
• M28: 4,690,492 km (0.12 R)
• M29: 4,773,369 km (0.108 R)
• M30: 4,856,695 km (0.115 R)
• M31: 5,152,300 km (0.113 R)
• M32: 5,295,166 km (0.062 R)
• M33: 5,410,357 km (0.084 R)
• M34: 5,497,423 km (0.105 R)
• M35: 5,614,109 km (0.082 R)
• M36: 5,717,032 km (0.077 R)
• M37: 6,074,272 km (0.076 R)
• M38: 6,717,393 km (0.046 R)
• M39: 7,221,837 km (0.08 R)
• M40: 7,495,003 km (0.112 R)
• M41: 7,608,398 km (0.111 R)
• M42: 7,886,201 km (0.1 R)
• M43: 8,051,357 km (0.12 R)
• M44: 8,184,200 km (0.03 R)
• M45: 8,284,281 km (0.101 R)
• M46: 8,418,471 km (0.062 R)
• M47: 8,638,080 km (0.079 R)
• M48: 8,808,173 km (0.075 R)
• M49: 9,186,506 km (0.119 R)
• M50: 9,290,626 km (0.081 R)
• M51: 9,535,219 km (0.085 R)
• M52: 9,658,188 km (0.12 R)
• M53: 9,977,131 km (0.117 R)
• M54: 10,461,977 km (0.059 R)
• M55: 10,807,698 km (0.03 R)
• M56: 11,046,606 km (0.113 R)
• M57: 11,249,909 km (0.09 R)
• M58: 11,380,060 km (0.076 R)
• M59: 11,792,202 km (0.115 R)
• M60: 12,362,319 km (0.055 R)
• M61: 12,573,551 km (0.119 R)
• M62: 12,960,711 km (0.11 R)
• M63: 13,077,696 km (0.08 R)
• M64: 13,194,981 km (0.099 R)

Asteroid Belt

Center: 2.08 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.6

Radius: 9.7

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.28 AU - 3.06 AU

Year: 2959 Days

Day: 9 Hours

Environment

Temp: -199 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 27,497,046 km

• M1: 131,796 km (0.116 R)
• M2: 238,609 km (0.112 R)
• M3: 363,972 km (0.045 R)
• M4: 516,412 km (0.041 R)
• M5: 797,955 km (0.089 R)
• M6: 933,341 km (0.071 R)
• M7: 1,015,919 km (0.057 R)
• M8: 1,151,006 km (0.065 R)
• M9: 1,494,333 km (0.118 R)
• M10: 1,634,955 km (0.106 R)
• M11: 1,721,423 km (0.116 R)
• M12: 2,005,808 km (0.096 R)
• M13: 2,208,962 km (0.106 R)
• M14: 2,618,860 km (0.119 R)
• M15: 3,070,347 km (0.088 R)
• M16: 3,214,260 km (0.076 R)
• M17: 3,754,607 km (0.09 R)
• M18: 3,831,351 km (0.106 R)
• M19: 4,045,276 km (0.109 R)
• M20: 4,143,711 km (0.071 R)
• M21: 4,403,713 km (0.094 R)
• M22: 4,855,797 km (0.043 R)
• M23: 5,002,702 km (0.104 R)
• M24: 5,236,673 km (0.096 R)
• M25: 5,387,468 km (0.109 R)
• M26: 5,474,384 km (0.111 R)
• M27: 5,715,536 km (0.086 R)
• M28: 5,870,819 km (0.099 R)
• M29: 6,005,008 km (0.049 R)
• M30: 6,253,789 km (0.109 R)
• M31: 6,368,082 km (0.037 R)
• M32: 6,482,973 km (0.085 R)
• M33: 6,831,836 km (0.108 R)
• M34: 6,902,296 km (0.103 R)
• M35: 7,091,537 km (0.047 R)
• M36: 7,186,831 km (0.103 R)
• M37: 7,694,118 km (0.077 R)
• M38: 7,914,924 km (0.102 R)
• M39: 8,287,872 km (0.062 R)
• M40: 8,363,119 km (0.082 R)
• M41: 8,742,948 km (0.034 R)
• M42: 9,154,343 km (0.04 R)
• M43: 9,258,163 km (0.079 R)
• M44: 9,336,254 km (0.061 R)
• M45: 10,049,387 km (0.111 R)
• M46: 10,237,132 km (0.039 R)
• M47: 10,725,270 km (0.1 R)
• M48: 11,248,862 km (0.1 R)
• M49: 11,837,081 km (0.109 R)
• M50: 12,092,295 km (0.101 R)
• M51: 12,177,865 km (0.08 R)
• M52: 12,868,858 km (0.106 R)
• M53: 13,395,592 km (0.106 R)
• M54: 13,572,716 km (0.074 R)
• M55: 13,720,967 km (0.111 R)
• M56: 14,288,990 km (0.051 R)
• M57: 14,621,397 km (0.088 R)
• M58: 15,078,867 km (0.114 R)
• M59: 15,170,870 km (0.117 R)
• M60: 15,945,188 km (0.057 R)
• M61: 16,227,180 km (0.059 R)
• M62: 16,764,237 km (0.047 R)
• M63: 16,859,530 km (0.1 R)
• M64: 17,210,936 km (0.12 R)
• M65: 17,758,464 km (0.086 R)
• M66: 18,279,214 km (0.071 R)
• M67: 18,705,867 km (0.117 R)
• M68: 18,936,996 km (0.098 R)
• M69: 19,535,687 km (0.091 R)
• M70: 19,669,726 km (0.113 R)
• M71: 20,615,484 km (0.075 R)
• M72: 21,541,495 km (0.071 R)
• M73: 22,166,365 km (0.091 R)
• M74: 22,411,107 km (0.089 R)
• M75: 22,902,985 km (0.106 R)
• M76: 22,973,595 km (0.113 R)
• M77: 23,079,511 km (0.106 R)
• M78: 23,150,270 km (0.093 R)
• M79: 23,611,930 km (0.113 R)
• M80: 23,861,758 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.5

Radius: 13.5

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.94 AU - 3.26 AU

Year: 3702 Days

Day: 11.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 27,497,046 km

• M1: 175,179 km (0.067 R)
• M2: 308,770 km (0.091 R)
• M3: 429,645 km (0.085 R)
• M4: 518,506 km (0.097 R)
• M5: 608,564 km (0.089 R)
• M6: 799,900 km (0.109 R)
• M7: 925,263 km (0.093 R)
• M8: 1,067,082 km (0.088 R)
• M9: 1,304,194 km (0.119 R)
• M10: 1,559,259 km (0.103 R)
• M11: 1,676,693 km (0.107 R)
• M12: 1,898,397 km (0.046 R)
• M13: 2,201,333 km (0.093 R)
• M14: 2,285,706 km (0.077 R)
• M15: 2,457,743 km (0.089 R)
• M16: 2,646,835 km (0.102 R)
• M17: 2,893,522 km (0.078 R)
• M18: 3,053,293 km (0.117 R)
• M19: 3,188,828 km (0.119 R)
• M20: 3,479,946 km (0.056 R)
• M21: 3,794,251 km (0.113 R)
• M22: 3,925,598 km (0.077 R)
• M23: 4,118,130 km (0.084 R)
• M24: 4,450,985 km (0.071 R)
• M25: 4,839,940 km (0.106 R)
• M26: 4,966,799 km (0.059 R)
• M27: 5,191,495 km (0.096 R)
• M28: 5,288,734 km (0.093 R)
• M29: 5,650,910 km (0.044 R)
• M30: 5,868,724 km (0.114 R)
• M31: 6,004,260 km (0.097 R)
• M32: 6,399,498 km (0.116 R)
• M33: 6,556,575 km (0.115 R)
• M34: 6,874,471 km (0.056 R)
• M35: 7,017,487 km (0.102 R)
• M36: 7,488,869 km (0.057 R)
• M37: 7,599,123 km (0.102 R)
• M38: 7,858,675 km (0.113 R)
• M39: 8,083,371 km (0.109 R)
• M40: 8,272,313 km (0.052 R)
• M41: 8,558,345 km (0.084 R)
• M42: 9,101,235 km (0.108 R)
• M43: 9,456,231 km (0.064 R)
• M44: 9,936,590 km (0.105 R)
• M45: 10,179,836 km (0.117 R)
• M46: 10,879,505 km (0.101 R)
• M47: 11,151,324 km (0.091 R)
• M48: 11,361,809 km (0.113 R)
• M49: 11,808,209 km (0.048 R)
• M50: 12,325,518 km (0.087 R)
• M51: 12,521,491 km (0.101 R)
• M52: 12,696,521 km (0.118 R)
• M53: 13,004,692 km (0.112 R)
• M54: 13,093,254 km (0.08 R)
• M55: 13,181,966 km (0.093 R)
• M56: 13,583,786 km (0.104 R)
• M57: 14,514,135 km (0.109 R)
• M58: 14,721,029 km (0.114 R)
• M59: 14,836,369 km (0.113 R)
• M60: 15,347,844 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.6

Radius: 12.7

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.09 AU - 3.77 AU

Year: 4309 Days

Day: 11.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 27,497,046 km

• M1: 208,091 km (0.078 R)
• M2: 321,785 km (0.107 R)
• M3: 436,527 km (0.116 R)
• M4: 569,818 km (0.064 R)
• M5: 719,416 km (0.103 R)
• M6: 859,440 km (0.048 R)
• M7: 971,189 km (0.078 R)
• M8: 1,101,489 km (0.087 R)
• M9: 1,454,241 km (0.065 R)
• M10: 1,794,127 km (0.083 R)
• M11: 2,245,763 km (0.051 R)
• M12: 2,493,946 km (0.062 R)
• M13: 2,788,953 km (0.091 R)
• M14: 3,193,316 km (0.111 R)
• M15: 3,575,389 km (0.04 R)
• M16: 3,657,668 km (0.064 R)
• M17: 3,740,695 km (0.086 R)
• M18: 3,908,544 km (0.108 R)
• M19: 4,014,908 km (0.082 R)
• M20: 4,230,329 km (0.118 R)
• M21: 4,627,810 km (0.118 R)
• M22: 4,853,853 km (0.041 R)
• M23: 5,223,359 km (0.094 R)
• M24: 5,387,767 km (0.113 R)
• M25: 5,818,908 km (0.09 R)
• M26: 5,916,147 km (0.089 R)
• M27: 7,282,724 km (0.077 R)
• M28: 7,759,492 km (0.101 R)
• M29: 8,826,873 km (0.116 R)
• M30: 8,910,797 km (0.059 R)
• M31: 9,136,241 km (0.103 R)
• M32: 9,910,859 km (0.089 R)
• M33: 10,232,494 km (0.106 R)
• M34: 10,379,998 km (0.096 R)
• M35: 11,127,389 km (0.079 R)
• M36: 11,248,563 km (0.076 R)
• M37: 11,400,704 km (0.102 R)
• M38: 12,296,496 km (0.042 R)
• M39: 12,642,366 km (0.114 R)
• M40: 12,864,070 km (0.119 R)
• M41: 12,991,229 km (0.025 R)
• M42: 13,504,649 km (0.099 R)
• M43: 13,633,901 km (0.114 R)
• M44: 14,254,134 km (0.064 R)
• M45: 14,484,963 km (0.073 R)
• M46: 14,617,358 km (0.098 R)
• M47: 15,017,083 km (0.082 R)
• M48: 15,218,442 km (0.095 R)
• M49: 15,521,976 km (0.092 R)
• M50: 15,929,780 km (0.036 R)
• M51: 16,066,662 km (0.051 R)
• M52: 16,617,481 km (0.112 R)
• M53: 17,104,721 km (0.111 R)
• M54: 17,773,274 km (0.116 R)
• M55: 17,915,243 km (0.085 R)
• M56: 18,918,895 km (0.097 R)
• M57: 19,281,670 km (0.119 R)
• M58: 19,573,685 km (0.102 R)
• M59: 20,384,206 km (0.093 R)
• M60: 20,681,606 km (0.065 R)
• M61: 21,017,902 km (0.092 R)
• M62: 21,243,197 km (0.115 R)
• M63: 22,075,859 km (0.106 R)
• M64: 22,381,337 km (0.069 R)
• M65: 22,649,866 km (0.081 R)
• M66: 22,842,248 km (0.089 R)
• M67: 24,204,187 km (0.09 R)
• M68: 24,479,747 km (0.087 R)
• M69: 24,914,927 km (0.117 R)
• M70: 26,640,389 km (0.115 R)
• M71: 27,251,347 km (0.067 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: 486 - 13,035 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit