🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.5 AU - 0.52 AU

Year: 239 Days

Day: 22.5 Hours

Environment

Temp: -109 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,718,190 km

• M1: 286,480 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.5 AU - 0.78 AU

Year: 336 Days

Day: 45.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.8

Radius: 15

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.61 AU - 0.75 AU

Year: 368 Days

Day: 6.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,718,190 km

• M1: 191,186 km (0.03 R)
• M2: 285,732 km (0.087 R)
• M3: 385,963 km (0.112 R)
• M4: 502,948 km (0.031 R)
• M5: 694,882 km (0.098 R)
• M6: 810,372 km (0.115 R)
• M7: 925,562 km (0.092 R)
• M8: 1,072,766 km (0.037 R)
• M9: 1,204,412 km (0.084 R)
• M10: 1,335,759 km (0.096 R)
• M11: 1,465,910 km (0.092 R)
• M12: 1,577,360 km (0.118 R)
• M13: 1,729,501 km (0.059 R)
• M14: 1,830,330 km (0.082 R)
• M15: 1,965,566 km (0.061 R)
• M16: 2,167,524 km (0.077 R)
• M17: 2,269,400 km (0.071 R)
• M18: 2,517,283 km (0.103 R)
• M19: 2,717,296 km (0.099 R)
• M20: 2,839,966 km (0.079 R)
• M21: 2,956,204 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.5

Radius: 14.2

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.96 AU - 1.12 AU

Year: 696 Days

Day: 9.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 29,718,190 km

• M1: 180,565 km (0.106 R)
• M2: 312,360 km (0.119 R)
• M3: 422,165 km (0.106 R)
• M4: 556,205 km (0.1 R)
• M5: 649,404 km (0.088 R)
• M6: 749,037 km (0.105 R)
• M7: 865,872 km (0.078 R)
• M8: 972,386 km (0.095 R)
• M9: 1,101,938 km (0.11 R)
• M10: 1,206,357 km (0.097 R)
• M11: 1,301,651 km (0.099 R)
• M12: 1,393,055 km (0.069 R)
• M13: 1,575,714 km (0.089 R)
• M14: 1,723,667 km (0.071 R)
• M15: 1,832,424 km (0.096 R)
• M16: 1,943,576 km (0.113 R)
• M17: 2,110,676 km (0.074 R)
• M18: 2,314,728 km (0.043 R)
• M19: 2,468,215 km (0.094 R)
• M20: 2,624,994 km (0.074 R)
• M21: 2,785,363 km (0.114 R)
• M22: 2,957,700 km (0.1 R)
• M23: 3,054,041 km (0.064 R)
• M24: 3,160,405 km (0.069 R)
• M25: 3,276,941 km (0.067 R)
• M26: 3,404,249 km (0.073 R)
• M27: 3,551,902 km (0.07 R)
• M28: 3,758,198 km (0.073 R)
• M29: 3,920,511 km (0.107 R)
• M30: 4,232,423 km (0.101 R)
• M31: 4,461,756 km (0.097 R)
• M32: 4,562,735 km (0.092 R)
• M33: 4,664,462 km (0.09 R)
• M34: 4,891,102 km (0.101 R)
• M35: 5,026,638 km (0.062 R)
• M36: 5,131,805 km (0.114 R)
• M37: 5,259,113 km (0.115 R)
• M38: 5,376,697 km (0.089 R)
• M39: 5,560,104 km (0.067 R)
• M40: 5,679,932 km (0.092 R)
• M41: 5,811,728 km (0.119 R)
• M42: 5,900,140 km (0.074 R)
• M43: 6,213,099 km (0.091 R)
• M44: 6,348,934 km (0.105 R)
• M45: 6,554,481 km (0.056 R)
• M46: 6,750,754 km (0.102 R)
• M47: 6,948,971 km (0.115 R)
• M48: 7,196,406 km (0.095 R)
• M49: 7,435,014 km (0.104 R)
• M50: 8,042,681 km (0.1 R)
• M51: 8,340,081 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.6

Radius: 14.1

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.89 AU - 1.43 AU

Year: 820 Days

Day: 6.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 29,718,190 km

• M1: 321,037 km (0.056 R)
• M2: 412,441 km (0.115 R)
• M3: 503,098 km (0.069 R)
• M4: 629,358 km (0.074 R)
• M5: 739,761 km (0.116 R)
• M6: 870,211 km (0.107 R)
• M7: 976,874 km (0.112 R)
• M8: 1,102,088 km (0.061 R)
• M9: 1,311,824 km (0.105 R)
• M10: 1,489,546 km (0.048 R)
• M11: 1,699,432 km (0.108 R)
• M12: 1,936,245 km (0.111 R)
• M13: 2,071,631 km (0.1 R)
• M14: 2,227,811 km (0.045 R)
• M15: 2,325,349 km (0.047 R)
• M16: 2,469,861 km (0.072 R)
• M17: 2,701,887 km (0.107 R)
• M18: 3,068,402 km (0.119 R)
• M19: 3,217,701 km (0.057 R)
• M20: 3,328,702 km (0.077 R)
• M21: 3,451,223 km (0.076 R)
• M22: 3,637,921 km (0.099 R)
• M23: 3,828,210 km (0.115 R)
• M24: 4,010,869 km (0.081 R)
• M25: 4,273,862 km (0.068 R)
• M26: 4,362,723 km (0.107 R)
• M27: 4,770,826 km (0.102 R)
• M28: 4,956,177 km (0.1 R)
• M29: 5,179,377 km (0.099 R)
• M30: 5,442,071 km (0.036 R)
• M31: 5,611,566 km (0.079 R)
• M32: 5,733,787 km (0.071 R)
• M33: 6,067,989 km (0.082 R)
• M34: 6,218,634 km (0.058 R)
• M35: 6,459,786 km (0.063 R)
• M36: 6,613,722 km (0.116 R)
• M37: 6,820,915 km (0.057 R)
• M38: 6,951,364 km (0.083 R)
• M39: 7,268,213 km (0.106 R)
• M40: 7,361,412 km (0.116 R)
• M41: 7,468,674 km (0.09 R)
• M42: 7,603,312 km (0.086 R)
• M43: 7,847,605 km (0.108 R)
• M44: 8,122,267 km (0.086 R)
• M45: 8,274,707 km (0.045 R)
• M46: 8,428,045 km (0.091 R)
• M47: 8,837,045 km (0.102 R)
• M48: 9,180,522 km (0.032 R)
• M49: 9,455,483 km (0.117 R)
• M50: 9,615,852 km (0.085 R)
• M51: 9,733,137 km (0.086 R)
• M52: 9,969,202 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.2

Radius: 14.3

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.42 AU - 1.8 AU

Year: 1340 Days

Day: 10.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 29,718,190 km

• M1: 181,313 km (0.047 R)
• M2: 292,913 km (0.08 R)
• M3: 412,741 km (0.106 R)
• M4: 533,466 km (0.119 R)
• M5: 669,600 km (0.116 R)
• M6: 842,386 km (0.1 R)
• M7: 1,023,399 km (0.1 R)
• M8: 1,174,792 km (0.074 R)
• M9: 1,289,384 km (0.108 R)
• M10: 1,389,315 km (0.062 R)
• M11: 1,482,814 km (0.099 R)
• M12: 1,578,407 km (0.117 R)
• M13: 1,786,647 km (0.087 R)
• M14: 2,132,518 km (0.111 R)
• M15: 2,352,875 km (0.099 R)
• M16: 2,744,971 km (0.063 R)
• M17: 2,900,553 km (0.061 R)
• M18: 3,108,494 km (0.075 R)
• M19: 3,270,957 km (0.04 R)
• M20: 3,410,682 km (0.116 R)
• M21: 3,617,576 km (0.101 R)
• M22: 3,976,162 km (0.095 R)
• M23: 4,125,760 km (0.065 R)
• M24: 4,290,916 km (0.114 R)
• M25: 4,388,454 km (0.078 R)
• M26: 5,061,943 km (0.115 R)
• M27: 5,388,366 km (0.113 R)
• M28: 5,554,270 km (0.106 R)
• M29: 5,721,969 km (0.071 R)
• M30: 5,814,121 km (0.107 R)
• M31: 6,031,038 km (0.113 R)
• M32: 6,457,093 km (0.102 R)
• M33: 6,860,409 km (0.096 R)
• M34: 7,073,436 km (0.098 R)
• M35: 7,355,279 km (0.104 R)
• M36: 7,691,724 km (0.097 R)
• M37: 8,205,892 km (0.094 R)
• M38: 8,695,825 km (0.097 R)
• M39: 9,339,844 km (0.071 R)
• M40: 9,851,618 km (0.072 R)
• M41: 9,943,920 km (0.066 R)
• M42: 10,055,071 km (0.118 R)
• M43: 10,148,121 km (0.12 R)
• M44: 10,297,420 km (0.117 R)
• M45: 10,409,917 km (0.037 R)
• M46: 10,674,107 km (0.114 R)
• M47: 10,845,098 km (0.108 R)
• M48: 11,421,498 km (0.026 R)
• M49: 11,694,066 km (0.116 R)
• M50: 12,126,553 km (0.032 R)
• M51: 12,285,276 km (0.118 R)
• M52: 12,384,759 km (0.064 R)
• M53: 12,684,852 km (0.103 R)
• M54: 13,129,308 km (0.084 R)
• M55: 13,231,034 km (0.039 R)
• M56: 13,578,849 km (0.101 R)
• M57: 13,702,417 km (0.032 R)
• M58: 13,805,639 km (0.101 R)
• M59: 14,033,627 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.6

Radius: 11.4

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.34 AU - 3.24 AU

Year: 3057 Days

Day: 9.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 29,718,190 km

• M1: 193,879 km (0.094 R)
• M2: 404,662 km (0.104 R)
• M3: 496,067 km (0.07 R)
• M4: 693,985 km (0.077 R)
• M5: 776,862 km (0.102 R)
• M6: 930,648 km (0.117 R)
• M7: 1,295,518 km (0.095 R)
• M8: 1,400,236 km (0.047 R)
• M9: 1,480,869 km (0.051 R)
• M10: 1,577,061 km (0.09 R)
• M11: 1,967,960 km (0.073 R)
• M12: 2,074,324 km (0.081 R)
• M13: 2,245,464 km (0.112 R)
• M14: 2,568,745 km (0.118 R)
• M15: 2,804,062 km (0.114 R)
• M16: 2,924,339 km (0.101 R)
• M17: 3,099,369 km (0.074 R)
• M18: 3,314,042 km (0.03 R)
• M19: 3,701,351 km (0.081 R)
• M20: 4,539,697 km (0.119 R)
• M21: 4,887,063 km (0.114 R)
• M22: 4,970,090 km (0.067 R)
• M23: 6,024,905 km (0.084 R)
• M24: 6,271,143 km (0.104 R)
• M25: 6,406,828 km (0.044 R)
• M26: 6,681,191 km (0.106 R)
• M27: 6,889,580 km (0.118 R)
• M28: 7,384,001 km (0.089 R)
• M29: 7,479,594 km (0.039 R)
• M30: 8,061,231 km (0.04 R)
• M31: 8,707,793 km (0.036 R)
• M32: 8,859,485 km (0.11 R)
• M33: 9,139,682 km (0.062 R)
• M34: 9,216,725 km (0.085 R)
• M35: 10,692,358 km (0.09 R)
• M36: 10,800,517 km (0.065 R)
• M37: 10,963,579 km (0.093 R)
• M38: 11,154,765 km (0.076 R)
• M39: 11,735,055 km (0.115 R)
• M40: 11,986,679 km (0.072 R)
• M41: 12,155,575 km (0.045 R)
• M42: 12,240,247 km (0.104 R)
• M43: 12,638,178 km (0.075 R)
• M44: 12,838,639 km (0.109 R)
• M45: 13,069,169 km (0.094 R)
• M46: 13,622,083 km (0.054 R)
• M47: 13,768,988 km (0.088 R)
• M48: 14,004,904 km (0.104 R)
• M49: 14,123,385 km (0.073 R)
• M50: 15,143,942 km (0.111 R)
• M51: 15,357,119 km (0.102 R)
• M52: 15,571,194 km (0.061 R)
• M53: 15,663,196 km (0.045 R)
• M54: 16,157,168 km (0.051 R)
• M55: 16,468,631 km (0.05 R)
• M56: 17,223,951 km (0.066 R)
• M57: 17,414,688 km (0.104 R)
• M58: 17,510,281 km (0.115 R)
• M59: 17,862,135 km (0.109 R)
• M60: 19,128,781 km (0.096 R)
• M61: 19,260,277 km (0.068 R)
• M62: 19,359,161 km (0.089 R)
• M63: 19,557,378 km (0.096 R)
• M64: 19,689,922 km (0.052 R)
• M65: 19,855,976 km (0.093 R)
• M66: 20,223,089 km (0.118 R)
• M67: 20,592,296 km (0.087 R)
• M68: 20,896,130 km (0.083 R)
• M69: 21,133,392 km (0.116 R)
• M70: 21,371,701 km (0.103 R)
• M71: 21,679,275 km (0.109 R)
• M72: 22,680,384 km (0.034 R)
• M73: 22,819,659 km (0.047 R)
• M74: 22,994,090 km (0.082 R)
• M75: 23,099,108 km (0.056 R)
• M76: 23,379,604 km (0.09 R)
• M77: 23,555,531 km (0.098 R)
• M78: 23,661,297 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.6

Radius: 8.9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.23 AU - 5.78 AU

Year: 7334 Days

Day: 7.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 29,718,190 km

• M1: 118,033 km (0.077 R)
• M2: 187,297 km (0.075 R)
• M3: 255,364 km (0.104 R)
• M4: 390,151 km (0.07 R)
• M5: 498,759 km (0.087 R)
• M6: 629,957 km (0.063 R)
• M7: 712,086 km (0.031 R)
• M8: 810,820 km (0.033 R)
• M9: 1,050,626 km (0.078 R)
• M10: 1,237,773 km (0.09 R)
• M11: 1,435,990 km (0.083 R)
• M12: 1,579,305 km (0.106 R)
• M13: 1,644,529 km (0.105 R)
• M14: 2,019,870 km (0.11 R)
• M15: 2,109,031 km (0.033 R)
• M16: 2,199,388 km (0.115 R)
• M17: 2,291,241 km (0.103 R)
• M18: 2,459,539 km (0.04 R)
• M19: 3,029,806 km (0.099 R)
• M20: 3,446,436 km (0.103 R)
• M21: 3,510,464 km (0.11 R)
• M22: 3,596,632 km (0.093 R)
• M23: 3,770,914 km (0.077 R)
• M24: 3,859,027 km (0.08 R)
• M25: 4,218,810 km (0.107 R)
• M26: 4,287,475 km (0.094 R)
• M27: 4,356,440 km (0.091 R)
• M28: 4,425,853 km (0.109 R)
• M29: 4,778,455 km (0.067 R)
• M30: 4,970,389 km (0.118 R)
• M31: 6,781,122 km (0.078 R)
• M32: 7,132,826 km (0.086 R)
• M33: 7,352,287 km (0.109 R)
• M34: 7,518,340 km (0.105 R)
• M35: 7,657,765 km (0.111 R)
• M36: 7,741,690 km (0.062 R)
• M37: 7,826,063 km (0.117 R)
• M38: 8,338,436 km (0.113 R)
• M39: 8,773,616 km (0.039 R)
• M40: 9,455,483 km (0.099 R)
• M41: 9,605,978 km (0.115 R)
• M42: 9,878,845 km (0.089 R)
• M43: 10,432,208 km (0.069 R)
• M44: 10,743,969 km (0.078 R)
• M45: 11,376,918 km (0.084 R)
• M46: 11,794,745 km (0.055 R)
• M47: 11,859,371 km (0.11 R)
• M48: 12,348,706 km (0.103 R)
• M49: 12,579,236 km (0.111 R)
• M50: 13,448,250 km (0.104 R)
• M51: 13,651,554 km (0.108 R)
• M52: 14,302,005 km (0.117 R)
• M53: 14,927,474 km (0.117 R)
• M54: 15,597,373 km (0.087 R)
• M55: 15,668,432 km (0.103 R)
• M56: 15,739,641 km (0.081 R)
• M57: 15,918,261 km (0.111 R)
• M58: 16,421,508 km (0.091 R)
• M59: 16,602,521 km (0.101 R)
• M60: 19,129,529 km (0.116 R)
• M61: 19,664,640 km (0.068 R)
• M62: 19,818,277 km (0.103 R)
• M63: 21,654,890 km (0.046 R)
• M64: 22,012,728 km (0.098 R)
• M65: 22,172,349 km (0.046 R)
• M66: 22,332,419 km (0.044 R)
• M67: 22,734,239 km (0.118 R)
• M68: 23,057,520 km (0.115 R)
• M69: 23,667,580 km (0.09 R)
• M70: 23,872,080 km (0.096 R)
• M71: 24,159,458 km (0.051 R)
• M72: 24,820,531 km (0.072 R)
• M73: 24,903,558 km (0.064 R)
• M74: 25,613,399 km (0.063 R)
• M75: 25,907,509 km (0.097 R)
• M76: 26,245,151 km (0.097 R)
• M77: 26,414,496 km (0.08 R)
• M78: 27,438,045 km (0.101 R)
• M79: 28,692,273 km (0.09 R)
• M80: 28,823,022 km (0.109 R)
• M81: 28,954,069 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.8

Radius: 7.3

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.66 AU - 7.86 AU

Year: 11530 Days

Day: 22.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 68.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 29,718,190 km

• M1: 162,314 km (0.06 R)
• M2: 214,972 km (0.118 R)
• M3: 442,062 km (0.103 R)
• M4: 526,285 km (0.109 R)
• M5: 687,253 km (0.113 R)
• M6: 958,324 km (0.085 R)
• M7: 1,098,796 km (0.06 R)
• M8: 1,431,652 km (0.084 R)
• M9: 2,094,520 km (0.115 R)
• M10: 2,185,774 km (0.111 R)
• M11: 2,315,775 km (0.108 R)
• M12: 2,921,646 km (0.098 R)
• M13: 3,168,932 km (0.097 R)
• M14: 3,883,411 km (0.108 R)
• M15: 4,741,654 km (0.095 R)
• M16: 5,130,459 km (0.08 R)
• M17: 5,179,826 km (0.082 R)
• M18: 5,580,150 km (0.076 R)
• M19: 5,835,364 km (0.084 R)
• M20: 6,042,408 km (0.056 R)
• M21: 6,516,932 km (0.059 R)
• M22: 7,223,632 km (0.102 R)
• M23: 7,362,310 km (0.119 R)
• M24: 7,840,424 km (0.109 R)
• M25: 8,473,971 km (0.048 R)
• M26: 8,590,957 km (0.047 R)
• M27: 8,708,391 km (0.107 R)
• M28: 8,826,574 km (0.103 R)
• M29: 9,243,952 km (0.032 R)
• M30: 9,698,131 km (0.116 R)
• M31: 9,881,987 km (0.062 R)
• M32: 9,943,471 km (0.113 R)
• M33: 10,221,873 km (0.078 R)
• M34: 10,976,744 km (0.113 R)
• M35: 11,040,472 km (0.086 R)
• M36: 11,522,327 km (0.066 R)
• M37: 11,945,540 km (0.068 R)
• M38: 12,573,252 km (0.094 R)
• M39: 12,673,333 km (0.051 R)
• M40: 14,171,406 km (0.103 R)
• M41: 14,414,802 km (0.094 R)
• M42: 15,224,426 km (0.078 R)
• M43: 15,904,498 km (0.099 R)
• M44: 15,976,604 km (0.106 R)
• M45: 17,293,963 km (0.09 R)
• M46: 18,569,733 km (0.079 R)
• M47: 19,065,501 km (0.072 R)
• M48: 19,836,827 km (0.105 R)
• M49: 19,914,469 km (0.098 R)
• M50: 20,657,671 km (0.057 R)
• M51: 20,973,173 km (0.116 R)
• M52: 22,818,762 km (0.058 R)
• M53: 23,513,793 km (0.07 R)
• M54: 23,967,224 km (0.074 R)
• M55: 24,215,856 km (0.06 R)
• M56: 24,715,513 km (0.107 R)
• M57: 25,767,485 km (0.027 R)
• M58: 27,178,343 km (0.094 R)
• M59: 28,395,022 km (0.119 R)
• M60: 29,629,354 km (0.084 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: 259 - 10,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit