🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.01 AU - 1.53 AU

Year: 525 Days

Day: 44 Hours

Environment

Temp: 10 °C

Axial Tilt: 14.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 34,316,980 km

• M1: 428,149 km (0.052 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.1 AU - 1.82 AU

Year: 648 Days

Day: 41.5 Hours

Environment

Temp: -44 °C

Axial Tilt: 43 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,316,980 km

• M1: 80,484 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.84 AU - 1.96 AU

Year: 961 Days

Day: 15.1 Hours

Environment

Temp: -57 °C

Axial Tilt: 51.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,316,980 km

• M1: 359,932 km (0.105 R)

Asteroid Belt

Center: 3.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 10.8

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.69 AU - 5.91 AU

Year: 3860 Days

Day: 13.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 34,316,980 km

• M1: 142,567 km (0.096 R)
• M2: 232,625 km (0.062 R)
• M3: 358,137 km (0.053 R)
• M4: 522,994 km (0.107 R)
• M5: 898,335 km (0.119 R)
• M6: 1,001,558 km (0.078 R)
• M7: 1,097,001 km (0.119 R)
• M8: 1,565,392 km (0.063 R)
• M9: 2,076,568 km (0.103 R)
• M10: 2,359,009 km (0.064 R)
• M11: 2,537,778 km (0.11 R)
• M12: 2,687,376 km (0.094 R)
• M13: 2,805,858 km (0.08 R)
• M14: 2,908,931 km (0.101 R)
• M15: 3,083,362 km (0.054 R)
• M16: 3,243,431 km (0.049 R)
• M17: 3,442,696 km (0.107 R)
• M18: 3,534,698 km (0.11 R)
• M19: 3,683,698 km (0.076 R)
• M20: 3,758,946 km (0.097 R)
• M21: 3,930,086 km (0.11 R)
• M22: 4,065,023 km (0.114 R)
• M23: 4,359,581 km (0.055 R)
• M24: 4,559,743 km (0.074 R)
• M25: 4,927,903 km (0.1 R)
• M26: 5,412,301 km (0.1 R)
• M27: 5,671,106 km (0.098 R)
• M28: 6,000,520 km (0.115 R)
• M29: 6,178,691 km (0.116 R)
• M30: 7,049,052 km (0.111 R)
• M31: 7,166,336 km (0.06 R)
• M32: 7,618,421 km (0.077 R)
• M33: 7,763,232 km (0.111 R)
• M34: 8,006,328 km (0.073 R)
• M35: 8,252,118 km (0.071 R)
• M36: 9,234,228 km (0.086 R)
• M37: 9,414,344 km (0.109 R)
• M38: 10,093,817 km (0.077 R)
• M39: 10,252,989 km (0.078 R)
• M40: 10,870,380 km (0.06 R)
• M41: 11,006,215 km (0.098 R)
• M42: 11,666,240 km (0.057 R)
• M43: 11,833,192 km (0.091 R)
• M44: 12,000,891 km (0.105 R)
• M45: 12,452,228 km (0.083 R)
• M46: 12,537,498 km (0.067 R)
• M47: 12,708,638 km (0.06 R)
• M48: 13,053,013 km (0.066 R)
• M49: 13,284,441 km (0.1 R)
• M50: 13,722,014 km (0.11 R)
• M51: 13,809,978 km (0.075 R)
• M52: 14,075,364 km (0.12 R)
• M53: 14,164,226 km (0.12 R)
• M54: 14,761,121 km (0.097 R)
• M55: 15,062,710 km (0.072 R)
• M56: 15,488,466 km (0.059 R)
• M57: 15,733,358 km (0.111 R)
• M58: 15,979,745 km (0.096 R)
• M59: 16,134,280 km (0.109 R)
• M60: 16,258,297 km (0.075 R)
• M61: 16,507,377 km (0.081 R)
• M62: 16,601,025 km (0.036 R)
• M63: 16,977,713 km (0.07 R)
• M64: 18,188,857 km (0.073 R)
• M65: 19,066,249 km (0.119 R)
• M66: 19,296,031 km (0.104 R)
• M67: 19,460,738 km (0.108 R)
• M68: 19,625,894 km (0.109 R)
• M69: 19,758,288 km (0.09 R)
• M70: 19,957,553 km (0.071 R)
• M71: 20,257,646 km (0.11 R)
• M72: 20,693,724 km (0.12 R)
• M73: 21,166,902 km (0.104 R)
• M74: 22,503,708 km (0.103 R)
• M75: 23,199,787 km (0.061 R)
• M76: 23,339,811 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.9

Radius: 14.5

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.73 AU - 6.19 AU

Year: 4055 Days

Day: 13.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 34,316,980 km

• M1: 186,997 km (0.084 R)
• M2: 318,943 km (0.108 R)
• M3: 428,299 km (0.086 R)
• M4: 627,713 km (0.109 R)
• M5: 763,099 km (0.071 R)
• M6: 1,108,221 km (0.112 R)
• M7: 1,321,996 km (0.082 R)
• M8: 1,491,640 km (0.102 R)
• M9: 1,828,535 km (0.059 R)
• M10: 2,150,320 km (0.028 R)
• M11: 2,311,586 km (0.082 R)
• M12: 2,703,533 km (0.114 R)
• M13: 2,804,960 km (0.114 R)
• M14: 3,026,664 km (0.032 R)
• M15: 3,132,131 km (0.107 R)
• M16: 3,223,685 km (0.079 R)
• M17: 3,315,986 km (0.115 R)
• M18: 3,424,894 km (0.068 R)
• M19: 3,614,584 km (0.093 R)
• M20: 3,726,782 km (0.073 R)
• M21: 3,922,007 km (0.117 R)
• M22: 4,020,892 km (0.075 R)
• M23: 4,120,673 km (0.114 R)
• M24: 4,322,630 km (0.113 R)
• M25: 4,459,213 km (0.116 R)
• M26: 4,666,855 km (0.084 R)
• M27: 5,217,974 km (0.034 R)
• M28: 5,363,682 km (0.061 R)
• M29: 5,547,687 km (0.082 R)
• M30: 5,752,487 km (0.07 R)
• M31: 5,940,980 km (0.11 R)
• M32: 6,112,419 km (0.101 R)
• M33: 6,538,325 km (0.084 R)
• M34: 6,695,552 km (0.098 R)
• M35: 7,014,046 km (0.118 R)
• M36: 7,480,492 km (0.115 R)
• M37: 7,624,555 km (0.049 R)
• M38: 8,125,408 km (0.117 R)
• M39: 8,337,239 km (0.088 R)
• M40: 9,005,642 km (0.102 R)
• M41: 9,269,084 km (0.099 R)
• M42: 9,468,348 km (0.066 R)
• M43: 9,781,158 km (0.075 R)
• M44: 10,029,340 km (0.114 R)
• M45: 10,256,879 km (0.107 R)
• M46: 10,693,705 km (0.062 R)
• M47: 10,926,180 km (0.112 R)
• M48: 11,301,521 km (0.117 R)
• M49: 11,514,548 km (0.043 R)
• M50: 11,705,136 km (0.093 R)
• M51: 12,428,741 km (0.066 R)
• M52: 13,366,271 km (0.12 R)
• M53: 13,793,073 km (0.113 R)
• M54: 14,198,932 km (0.108 R)
• M55: 15,178,499 km (0.095 R)
• M56: 15,387,637 km (0.105 R)
• M57: 15,518,685 km (0.094 R)
• M58: 15,887,892 km (0.1 R)
• M59: 16,020,436 km (0.115 R)
• M60: 16,259,942 km (0.106 R)
• M61: 16,393,533 km (0.083 R)
• M62: 16,850,555 km (0.064 R)
• M63: 17,175,631 km (0.049 R)
• M64: 17,366,218 km (0.081 R)
• M65: 17,639,683 km (0.077 R)
• M66: 18,191,101 km (0.106 R)
• M67: 18,413,104 km (0.059 R)
• M68: 18,552,380 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.5

Radius: 11.7

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.8 AU - 11.64 AU

Year: 11994 Days

Day: 8.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 34,316,980 km

• M1: 202,556 km (0.111 R)
• M2: 276,008 km (0.049 R)
• M3: 457,470 km (0.079 R)
• M4: 675,434 km (0.107 R)
• M5: 907,461 km (0.069 R)
• M6: 1,061,696 km (0.101 R)
• M7: 1,410,110 km (0.11 R)
• M8: 1,657,844 km (0.072 R)
• M9: 1,821,653 km (0.036 R)
• M10: 1,948,213 km (0.114 R)
• M11: 2,255,337 km (0.118 R)
• M12: 3,353,386 km (0.066 R)
• M13: 3,848,256 km (0.094 R)
• M14: 4,215,818 km (0.079 R)
• M15: 4,290,766 km (0.118 R)
• M16: 4,404,012 km (0.094 R)
• M17: 4,925,959 km (0.11 R)
• M18: 5,244,602 km (0.109 R)
• M19: 5,345,581 km (0.076 R)
• M20: 5,549,483 km (0.066 R)
• M21: 5,652,406 km (0.094 R)
• M22: 6,369,129 km (0.085 R)
• M23: 6,826,300 km (0.066 R)
• M24: 7,910,885 km (0.073 R)
• M25: 8,592,004 km (0.063 R)
• M26: 9,537,762 km (0.107 R)
• M27: 9,661,330 km (0.096 R)
• M28: 9,860,295 km (0.044 R)
• M29: 9,935,243 km (0.034 R)
• M30: 10,695,201 km (0.025 R)
• M31: 10,978,539 km (0.074 R)
• M32: 12,621,872 km (0.1 R)
• M33: 12,703,253 km (0.118 R)
• M34: 13,085,775 km (0.115 R)
• M35: 13,890,013 km (0.092 R)
• M36: 14,255,779 km (0.107 R)
• M37: 14,738,831 km (0.081 R)
• M38: 15,488,167 km (0.07 R)
• M39: 15,721,240 km (0.105 R)
• M40: 16,220,299 km (0.093 R)
• M41: 16,456,963 km (0.11 R)
• M42: 16,724,593 km (0.065 R)
• M43: 17,688,003 km (0.048 R)
• M44: 17,901,031 km (0.049 R)
• M45: 18,360,595 km (0.064 R)
• M46: 18,453,047 km (0.096 R)
• M47: 19,416,756 km (0.102 R)
• M48: 19,920,602 km (0.104 R)
• M49: 20,364,908 km (0.096 R)
• M50: 20,908,846 km (0.082 R)
• M51: 21,037,649 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194

Radius: 13.7

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 9.71 AU - 12.29 AU

Year: 13393 Days

Day: 11 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 34,316,980 km

• M1: 192,682 km (0.072 R)
• M2: 430,393 km (0.107 R)
• M3: 521,797 km (0.116 R)
• M4: 648,208 km (0.096 R)
• M5: 1,015,770 km (0.087 R)
• M6: 1,655,300 km (0.104 R)
• M7: 2,360,206 km (0.107 R)
• M8: 2,449,067 km (0.103 R)
• M9: 2,561,564 km (0.065 R)
• M10: 3,730,223 km (0.091 R)
• M11: 3,992,618 km (0.068 R)
• M12: 4,152,986 km (0.103 R)
• M13: 4,591,159 km (0.083 R)
• M14: 4,986,995 km (0.079 R)
• M15: 6,710,362 km (0.12 R)
• M16: 6,837,819 km (0.088 R)
• M17: 7,388,190 km (0.044 R)
• M18: 7,519,836 km (0.108 R)
• M19: 8,844,077 km (0.101 R)
• M20: 9,301,397 km (0.06 R)
• M21: 9,947,510 km (0.092 R)
• M22: 10,056,567 km (0.085 R)
• M23: 10,239,376 km (0.109 R)
• M24: 11,282,971 km (0.046 R)
• M25: 12,792,862 km (0.067 R)
• M26: 12,951,286 km (0.057 R)
• M27: 15,321,216 km (0.06 R)
• M28: 15,870,539 km (0.11 R)
• M29: 16,685,099 km (0.068 R)
• M30: 17,557,255 km (0.079 R)
• M31: 17,733,481 km (0.098 R)
• M32: 18,176,590 km (0.034 R)
• M33: 18,354,911 km (0.11 R)
• M34: 19,482,280 km (0.059 R)
• M35: 19,619,013 km (0.098 R)
• M36: 21,662,071 km (0.069 R)
• M37: 22,517,172 km (0.108 R)
• M38: 23,335,024 km (0.096 R)
• M39: 24,950,232 km (0.113 R)
• M40: 25,996,819 km (0.085 R)
• M41: 27,414,558 km (0.109 R)
• M42: 27,516,883 km (0.083 R)
• M43: 27,978,392 km (0.097 R)
• M44: 28,081,316 km (0.064 R)
• M45: 28,494,355 km (0.092 R)
• M46: 28,597,877 km (0.061 R)
• M47: 28,857,280 km (0.081 R)
• M48: 29,430,838 km (0.07 R)
• M49: 30,324,685 km (0.051 R)
• M50: 31,120,845 km (0.076 R)
• M51: 33,769,027 km (0.101 R)
• M52: 36,432,467 km (0.113 R)
• M53: 36,657,462 km (0.112 R)
• M54: 36,939,305 km (0.118 R)
• M55: 37,960,160 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764.2

Radius: 4.6

Gravity: 36.12 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 11.55 AU - 13.47 AU

Year: 16243 Days

Day: 21.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 34,316,980 km

• M1: 125,812 km (0.11 R)
• M2: 251,324 km (0.058 R)
• M3: 756,516 km (0.118 R)
• M4: 801,695 km (0.094 R)
• M5: 1,168,509 km (0.109 R)
• M6: 1,221,018 km (0.103 R)
• M7: 1,355,656 km (0.085 R)
• M8: 1,523,654 km (0.097 R)
• M9: 1,610,271 km (0.089 R)
• M10: 1,879,548 km (0.089 R)
• M11: 2,227,662 km (0.094 R)
• M12: 4,245,588 km (0.107 R)
• M13: 4,699,318 km (0.096 R)
• M14: 5,342,439 km (0.075 R)
• M15: 5,921,981 km (0.046 R)
• M16: 6,104,341 km (0.056 R)
• M17: 8,999,509 km (0.095 R)
• M18: 10,171,907 km (0.085 R)
• M19: 10,610,079 km (0.117 R)
• M20: 10,665,281 km (0.066 R)
• M21: 12,133,734 km (0.108 R)
• M22: 12,191,478 km (0.054 R)
• M23: 12,773,863 km (0.077 R)
• M24: 14,086,734 km (0.071 R)
• M25: 14,574,722 km (0.076 R)
• M26: 15,254,644 km (0.112 R)
• M27: 16,262,037 km (0.051 R)
• M28: 17,225,896 km (0.088 R)
• M29: 18,010,088 km (0.055 R)
• M30: 18,872,819 km (0.075 R)
• M31: 19,006,709 km (0.044 R)
• M32: 19,477,942 km (0.109 R)
• M33: 20,226,081 km (0.095 R)
• M34: 21,122,471 km (0.087 R)
• M35: 21,400,873 km (0.073 R)
• M36: 22,243,259 km (0.118 R)
• M37: 22,314,018 km (0.039 R)
• M38: 22,526,597 km (0.102 R)
• M39: 22,882,191 km (0.09 R)
• M40: 23,311,537 km (0.082 R)
• M41: 24,981,648 km (0.095 R)
• M42: 26,315,462 km (0.076 R)
• M43: 26,690,055 km (0.104 R)
• M44: 26,765,153 km (0.067 R)
• M45: 27,292,935 km (0.099 R)
• M46: 27,824,306 km (0.105 R)
• M47: 27,900,452 km (0.098 R)
• M48: 28,205,931 km (0.04 R)
• M49: 29,749,481 km (0.102 R)
• M50: 29,827,422 km (0.035 R)
• M51: 30,767,495 km (0.037 R)
• M52: 31,558,269 km (0.066 R)
• M53: 31,637,706 km (0.108 R)
• M54: 33,240,647 km (0.117 R)
• M55: 34,623,679 km (0.042 R)
• M56: 35,116,305 km (0.07 R)
• M57: 36,691,571 km (0.113 R)
• M58: 37,529,767 km (0.063 R)
• M59: 37,613,991 km (0.115 R)
• M60: 37,782,588 km (0.113 R)
• M61: 38,713,984 km (0.059 R)
• M62: 39,396,150 km (0.064 R)
• M63: 41,032,153 km (0.097 R)
• M64: 42,251,824 km (0.085 R)
• M65: 42,339,339 km (0.108 R)
• M66: 44,103,397 km (0.04 R)
• M67: 44,548,152 km (0.119 R)
• M68: 44,726,472 km (0.114 R)
• M69: 44,815,782 km (0.054 R)
• M70: 44,994,402 km (0.093 R)
• M71: 45,173,321 km (0.094 R)
• M72: 45,442,148 km (0.078 R)
• M73: 46,884,870 km (0.118 R)
• M74: 47,156,989 km (0.112 R)
• M75: 48,433,956 km (0.117 R)
• M76: 49,076,778 km (0.096 R)
• M77: 51,769,690 km (0.096 R)
• M78: 52,897,957 km (0.08 R)
• M79: 53,181,295 km (0.12 R)
• M80: 53,939,158 km (0.025 R)
• M81: 54,034,302 km (0.076 R)
• M82: 54,224,441 km (0.088 R)
• M83: 54,414,729 km (0.09 R)
• M84: 56,138,396 km (0.075 R)
• M85: 56,234,588 km (0.106 R)
• M86: 56,620,251 km (0.099 R)
• M87: 57,879,715 km (0.092 R)
• M88: 57,976,954 km (0.087 R)
• M89: 58,269,119 km (0.057 R)
• M90: 58,366,507 km (0.1 R)
• M91: 58,952,631 km (0.053 R)
• M92: 59,835,259 km (0.116 R)
• M93: 63,710,442 km (0.101 R)
• M94: 64,011,882 km (0.119 R)
• M95: 64,818,065 km (0.09 R)
• M96: 66,033,547 km (0.115 R)
• M97: 67,358,835 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.1

Radius: 4.4

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 15.21 AU - 20.03 AU

Year: 27151 Days

Day: 20.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 34,316,980 km

• M1: 66,870 km (0.115 R)
• M2: 182,061 km (0.103 R)
• M3: 533,316 km (0.105 R)
• M4: 1,187,358 km (0.116 R)
• M5: 1,792,033 km (0.073 R)
• M6: 1,849,478 km (0.107 R)
• M7: 2,392,968 km (0.049 R)
• M8: 2,937,205 km (0.091 R)
• M9: 3,073,339 km (0.111 R)
• M10: 3,494,157 km (0.114 R)
• M11: 4,260,697 km (0.103 R)
• M12: 5,377,744 km (0.059 R)
• M13: 5,825,939 km (0.119 R)
• M14: 6,054,525 km (0.087 R)
• M15: 6,285,953 km (0.095 R)
• M16: 6,727,715 km (0.079 R)
• M17: 7,486,177 km (0.089 R)
• M18: 8,239,552 km (0.087 R)
• M19: 9,115,447 km (0.064 R)
• M20: 9,148,359 km (0.111 R)
• M21: 9,247,692 km (0.105 R)
• M22: 9,347,324 km (0.033 R)
• M23: 11,377,666 km (0.108 R)
• M24: 12,423,505 km (0.055 R)
• M25: 13,312,116 km (0.083 R)
• M26: 13,575,109 km (0.102 R)
• M27: 14,182,776 km (0.111 R)
• M28: 14,954,701 km (0.104 R)
• M29: 15,740,090 km (0.088 R)
• M30: 16,821,682 km (0.104 R)
• M31: 18,509,296 km (0.12 R)
• M32: 19,394,317 km (0.036 R)
• M33: 20,812,654 km (0.072 R)
• M34: 21,556,305 km (0.098 R)
• M35: 21,953,637 km (0.036 R)
• M36: 22,710,453 km (0.102 R)
• M37: 23,702,586 km (0.109 R)
• M38: 25,728,889 km (0.066 R)
• M39: 26,103,332 km (0.1 R)
• M40: 26,526,545 km (0.097 R)
• M41: 26,810,033 km (0.07 R)
• M42: 29,113,541 km (0.054 R)
• M43: 29,162,160 km (0.036 R)
• M44: 30,733,536 km (0.093 R)
• M45: 31,579,512 km (0.097 R)
• M46: 33,141,763 km (0.095 R)
• M47: 33,855,494 km (0.114 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 14,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit