🌌 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: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.1

Radius: 14.8

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.6 AU - 0.92 AU

Year: 428 Days

Day: 7.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,412,789 km

• M1: 184,454 km (0.047 R)
• M2: 283,039 km (0.109 R)
• M3: 409,599 km (0.068 R)
• M4: 516,711 km (0.119 R)
• M5: 612,902 km (0.078 R)
• M6: 821,741 km (0.073 R)
• M7: 914,941 km (0.076 R)
• M8: 1,012,030 km (0.118 R)
• M9: 1,113,307 km (0.058 R)
• M10: 1,234,182 km (0.106 R)
• M11: 1,359,845 km (0.075 R)
• M12: 1,477,279 km (0.045 R)
• M13: 1,576,612 km (0.119 R)
• M14: 1,705,266 km (0.053 R)
• M15: 1,805,347 km (0.112 R)
• M16: 1,921,585 km (0.111 R)
• M17: 2,045,302 km (0.081 R)
• M18: 2,171,862 km (0.108 R)
• M19: 2,266,109 km (0.047 R)
• M20: 2,443,382 km (0.077 R)
• M21: 2,546,904 km (0.11 R)
• M22: 2,673,164 km (0.099 R)
• M23: 2,861,059 km (0.087 R)
• M24: 2,975,950 km (0.113 R)
• M25: 3,081,267 km (0.091 R)
• M26: 3,267,367 km (0.113 R)
• M27: 3,434,019 km (0.043 R)
• M28: 3,544,722 km (0.074 R)
• M29: 3,751,915 km (0.109 R)
• M30: 3,854,090 km (0.06 R)
• M31: 4,067,417 km (0.113 R)
• M32: 4,190,984 km (0.1 R)
• M33: 4,284,633 km (0.116 R)
• M34: 4,378,879 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928

Radius: 12.9

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.28 AU - 1.74 AU

Year: 1198 Days

Day: 14.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 52,412,789 km

• M1: 167,849 km (0.104 R)
• M2: 320,139 km (0.058 R)
• M3: 421,866 km (0.029 R)
• M4: 539,001 km (0.082 R)
• M5: 702,811 km (0.035 R)
• M6: 1,189,752 km (0.072 R)
• M7: 1,316,012 km (0.058 R)
• M8: 1,438,234 km (0.097 R)
• M9: 1,519,017 km (0.097 R)
• M10: 1,629,121 km (0.106 R)
• M11: 1,751,641 km (0.027 R)
• M12: 1,916,648 km (0.113 R)
• M13: 2,168,870 km (0.051 R)
• M14: 2,262,518 km (0.119 R)
• M15: 2,357,513 km (0.093 R)
• M16: 2,497,088 km (0.05 R)
• M17: 2,606,444 km (0.102 R)
• M18: 2,717,445 km (0.119 R)
• M19: 2,990,461 km (0.095 R)
• M20: 3,083,511 km (0.06 R)
• M21: 3,225,031 km (0.104 R)
• M22: 3,429,082 km (0.103 R)
• M23: 3,600,522 km (0.083 R)
• M24: 3,837,634 km (0.042 R)
• M25: 4,144,759 km (0.096 R)
• M26: 4,420,019 km (0.111 R)
• M27: 4,674,335 km (0.092 R)
• M28: 4,919,825 km (0.04 R)
• M29: 5,113,704 km (0.091 R)
• M30: 5,225,603 km (0.05 R)
• M31: 5,466,306 km (0.108 R)
• M32: 5,914,501 km (0.111 R)
• M33: 6,419,843 km (0.096 R)
• M34: 6,586,345 km (0.07 R)
• M35: 6,769,603 km (0.052 R)
• M36: 6,954,655 km (0.061 R)
• M37: 7,078,971 km (0.069 R)
• M38: 7,282,424 km (0.087 R)
• M39: 7,472,114 km (0.091 R)
• M40: 8,197,814 km (0.077 R)
• M41: 8,411,739 km (0.066 R)
• M42: 8,511,072 km (0.114 R)
• M43: 8,694,179 km (0.06 R)
• M44: 9,115,447 km (0.116 R)
• M45: 9,319,947 km (0.089 R)
• M46: 9,440,074 km (0.107 R)
• M47: 9,577,854 km (0.102 R)
• M48: 9,803,148 km (0.098 R)
• M49: 9,925,370 km (0.109 R)
• M50: 10,083,046 km (0.056 R)
• M51: 10,241,620 km (0.088 R)
• M52: 10,400,942 km (0.113 R)
• M53: 10,686,524 km (0.044 R)
• M54: 10,848,090 km (0.102 R)
• M55: 11,576,781 km (0.119 R)
• M56: 11,928,336 km (0.07 R)
• M57: 12,283,481 km (0.117 R)
• M58: 12,415,277 km (0.094 R)
• M59: 12,813,357 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410

Radius: 11.4

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.45 AU - 5.45 AU

Year: 8215 Days

Day: 13 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 52,412,789 km

• M1: 166,951 km (0.071 R)
• M2: 445,502 km (0.108 R)
• M3: 524,490 km (0.105 R)
• M4: 713,133 km (0.047 R)
• M5: 895,792 km (0.093 R)
• M6: 1,191,547 km (0.062 R)
• M7: 1,701,377 km (0.096 R)
• M8: 1,815,071 km (0.086 R)
• M9: 2,030,193 km (0.083 R)
• M10: 2,316,224 km (0.116 R)
• M11: 2,681,243 km (0.11 R)
• M12: 3,041,474 km (0.118 R)
• M13: 3,489,520 km (0.109 R)
• M14: 3,562,224 km (0.078 R)
• M15: 4,213,574 km (0.104 R)
• M16: 4,847,420 km (0.06 R)
• M17: 5,231,138 km (0.082 R)
• M18: 5,398,538 km (0.119 R)
• M19: 5,511,186 km (0.119 R)
• M20: 5,825,042 km (0.08 R)
• M21: 6,500,177 km (0.061 R)
• M22: 6,590,085 km (0.083 R)
• M23: 7,015,243 km (0.116 R)
• M24: 7,262,079 km (0.084 R)
• M25: 7,355,428 km (0.075 R)
• M26: 7,637,869 km (0.117 R)
• M27: 7,796,443 km (0.038 R)
• M28: 7,892,036 km (0.109 R)
• M29: 8,737,114 km (0.088 R)
• M30: 9,103,330 km (0.102 R)
• M31: 9,406,565 km (0.083 R)
• M32: 11,224,029 km (0.032 R)
• M33: 11,622,109 km (0.042 R)
• M34: 12,024,976 km (0.109 R)
• M35: 12,656,429 km (0.12 R)
• M36: 13,070,815 km (0.11 R)
• M37: 13,720,070 km (0.066 R)
• M38: 14,223,766 km (0.096 R)
• M39: 14,458,185 km (0.061 R)
• M40: 14,891,421 km (0.075 R)
• M41: 15,169,374 km (0.105 R)
• M42: 15,448,972 km (0.063 R)
• M43: 15,609,491 km (0.066 R)
• M44: 16,790,117 km (0.057 R)
• M45: 16,872,695 km (0.043 R)
• M46: 17,328,669 km (0.084 R)
• M47: 18,168,362 km (0.102 R)
• M48: 18,338,006 km (0.068 R)
• M49: 18,550,585 km (0.087 R)
• M50: 19,021,369 km (0.055 R)
• M51: 19,669,577 km (0.079 R)
• M52: 19,756,493 km (0.098 R)
• M53: 19,887,242 km (0.053 R)
• M54: 20,633,436 km (0.105 R)
• M55: 21,657,583 km (0.111 R)
• M56: 23,018,026 km (0.099 R)
• M57: 23,847,696 km (0.105 R)
• M58: 24,079,872 km (0.099 R)
• M59: 24,968,932 km (0.089 R)
• M60: 25,251,971 km (0.112 R)
• M61: 25,346,517 km (0.065 R)
• M62: 25,441,212 km (0.079 R)
• M63: 25,678,475 km (0.053 R)
• M64: 25,916,485 km (0.094 R)
• M65: 27,020,667 km (0.108 R)
• M66: 27,117,456 km (0.084 R)
• M67: 27,895,665 km (0.051 R)
• M68: 28,091,339 km (0.083 R)
• M69: 28,631,686 km (0.062 R)
• M70: 28,779,788 km (0.106 R)
• M71: 29,374,290 km (0.102 R)
• M72: 29,623,221 km (0.098 R)
• M73: 30,323,937 km (0.101 R)
• M74: 30,525,146 km (0.06 R)
• M75: 30,979,475 km (0.062 R)
• M76: 31,080,753 km (0.107 R)
• M77: 31,487,061 km (0.076 R)
• M78: 32,253,301 km (0.094 R)
• M79: 33,025,824 km (0.096 R)
• M80: 33,648,301 km (0.114 R)
• M81: 35,115,557 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.3

Radius: 11.8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.95 AU - 6.01 AU

Year: 9442 Days

Day: 12.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 52,412,789 km

• M1: 214,972 km (0.081 R)
• M2: 639,232 km (0.028 R)
• M3: 762,650 km (0.117 R)
• M4: 894,745 km (0.071 R)
• M5: 1,100,292 km (0.104 R)
• M6: 1,558,361 km (0.099 R)
• M7: 1,789,041 km (0.115 R)
• M8: 2,072,529 km (0.084 R)
• M9: 2,156,304 km (0.049 R)
• M10: 2,284,060 km (0.036 R)
• M11: 3,545,619 km (0.111 R)
• M12: 3,825,666 km (0.114 R)
• M13: 4,461,457 km (0.115 R)
• M14: 4,543,287 km (0.101 R)
• M15: 5,505,800 km (0.111 R)
• M16: 5,711,796 km (0.056 R)
• M17: 5,980,324 km (0.047 R)
• M18: 6,070,682 km (0.062 R)
• M19: 6,685,379 km (0.077 R)
• M20: 6,936,853 km (0.089 R)
• M21: 7,095,577 km (0.105 R)
• M22: 7,907,594 km (0.098 R)
• M23: 8,307,768 km (0.111 R)
• M24: 9,337,151 km (0.079 R)
• M25: 9,583,240 km (0.081 R)
• M26: 10,698,342 km (0.104 R)
• M27: 10,955,800 km (0.116 R)
• M28: 11,066,802 km (0.105 R)
• M29: 11,402,051 km (0.104 R)
• M30: 12,312,354 km (0.101 R)
• M31: 12,389,247 km (0.112 R)
• M32: 13,443,313 km (0.111 R)
• M33: 14,161,982 km (0.119 R)
• M34: 14,282,857 km (0.085 R)
• M35: 14,404,181 km (0.119 R)
• M36: 15,263,172 km (0.086 R)
• M37: 16,096,731 km (0.116 R)
• M38: 16,816,895 km (0.087 R)
• M39: 17,417,830 km (0.111 R)
• M40: 17,547,531 km (0.091 R)
• M41: 17,634,148 km (0.094 R)
• M42: 17,807,831 km (0.068 R)
• M43: 18,332,471 km (0.03 R)
• M44: 19,084,350 km (0.083 R)
• M45: 19,217,941 km (0.041 R)
• M46: 19,891,281 km (0.07 R)
• M47: 20,847,062 km (0.055 R)
• M48: 22,097,550 km (0.05 R)
• M49: 22,614,112 km (0.096 R)
• M50: 22,755,631 km (0.074 R)
• M51: 24,187,283 km (0.107 R)
• M52: 25,157,874 km (0.079 R)
• M53: 26,190,698 km (0.116 R)
• M54: 26,587,880 km (0.03 R)
• M55: 27,187,319 km (0.105 R)
• M56: 27,388,079 km (0.074 R)
• M57: 27,993,352 km (0.072 R)
• M58: 28,348,647 km (0.084 R)
• M59: 28,552,250 km (0.112 R)
• M60: 28,807,464 km (0.03 R)
• M61: 29,114,738 km (0.118 R)
• M62: 29,217,362 km (0.116 R)
• M63: 29,320,135 km (0.116 R)
• M64: 29,680,816 km (0.045 R)
• M65: 29,835,799 km (0.089 R)
• M66: 30,198,724 km (0.071 R)
• M67: 32,087,546 km (0.109 R)
• M68: 32,246,569 km (0.088 R)
• M69: 32,512,404 km (0.119 R)
• M70: 32,778,988 km (0.102 R)
• M71: 33,582,927 km (0.088 R)
• M72: 33,906,357 km (0.1 R)
• M73: 34,447,602 km (0.048 R)
• M74: 34,882,633 km (0.043 R)
• M75: 35,210,252 km (0.108 R)
• M76: 35,319,608 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.4

Radius: 6.1

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.29 AU - 8.37 AU

Year: 12814 Days

Day: 21.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 52,412,789 km

• M1: 86,617 km (0.104 R)
• M2: 124,765 km (0.04 R)
• M3: 264,190 km (0.037 R)
• M4: 564,732 km (0.081 R)
• M5: 623,374 km (0.075 R)
• M6: 795,711 km (0.104 R)
• M7: 862,133 km (0.097 R)
• M8: 1,072,766 km (0.077 R)
• M9: 1,260,512 km (0.091 R)
• M10: 2,468,514 km (0.065 R)
• M11: 2,691,565 km (0.106 R)
• M12: 2,818,274 km (0.114 R)
• M13: 2,869,586 km (0.116 R)
• M14: 3,130,635 km (0.092 R)
• M15: 3,426,539 km (0.108 R)
• M16: 3,759,544 km (0.069 R)
• M17: 4,190,536 km (0.088 R)
• M18: 4,249,178 km (0.047 R)
• M19: 4,667,304 km (0.116 R)
• M20: 6,603,100 km (0.118 R)
• M21: 6,774,390 km (0.105 R)
• M22: 6,877,912 km (0.101 R)
• M23: 7,016,739 km (0.102 R)
• M24: 7,086,451 km (0.049 R)
• M25: 7,297,085 km (0.107 R)
• M26: 7,474,209 km (0.118 R)
• M27: 7,581,171 km (0.089 R)
• M28: 7,832,795 km (0.102 R)
• M29: 8,233,568 km (0.045 R)
• M30: 9,093,307 km (0.088 R)
• M31: 9,475,828 km (0.08 R)
• M32: 10,059,559 km (0.069 R)
• M33: 10,256,729 km (0.073 R)
• M34: 10,336,016 km (0.054 R)
• M35: 10,375,660 km (0.054 R)
• M36: 10,455,246 km (0.115 R)
• M37: 10,654,959 km (0.065 R)
• M38: 11,139,506 km (0.099 R)
• M39: 11,220,887 km (0.074 R)
• M40: 12,046,219 km (0.078 R)
• M41: 13,537,111 km (0.04 R)
• M42: 13,580,495 km (0.112 R)
• M43: 13,929,806 km (0.11 R)
• M44: 13,973,638 km (0.054 R)
• M45: 14,503,663 km (0.074 R)
• M46: 15,040,121 km (0.113 R)
• M47: 15,310,893 km (0.104 R)
• M48: 15,902,852 km (0.094 R)
• M49: 17,297,553 km (0.105 R)
• M50: 18,537,570 km (0.117 R)
• M51: 18,585,890 km (0.071 R)
• M52: 18,779,320 km (0.102 R)
• M53: 18,827,790 km (0.079 R)
• M54: 18,876,409 km (0.109 R)
• M55: 19,510,853 km (0.086 R)
• M56: 19,609,139 km (0.042 R)
• M57: 19,806,160 km (0.064 R)
• M58: 20,301,329 km (0.051 R)
• M59: 20,550,559 km (0.092 R)
• M60: 20,800,836 km (0.09 R)
• M61: 20,901,067 km (0.033 R)
• M62: 20,951,331 km (0.114 R)
• M63: 21,405,361 km (0.102 R)
• M64: 21,964,707 km (0.119 R)
• M65: 22,271,682 km (0.115 R)
• M66: 24,619,770 km (0.05 R)
• M67: 24,992,119 km (0.108 R)
• M68: 25,312,708 km (0.093 R)
• M69: 25,366,264 km (0.118 R)
• M70: 25,796,058 km (0.061 R)
• M71: 26,174,242 km (0.119 R)
• M72: 29,715,074 km (0.062 R)
• M73: 29,771,622 km (0.118 R)
• M74: 30,111,508 km (0.101 R)
• M75: 31,656,405 km (0.1 R)
• M76: 32,235,200 km (0.086 R)
• M77: 33,638,428 km (0.111 R)
• M78: 34,169,650 km (0.067 R)
• M79: 35,300,460 km (0.119 R)
• M80: 35,480,127 km (0.043 R)
• M81: 36,020,923 km (0.104 R)
• M82: 36,383,100 km (0.083 R)
• M83: 36,625,149 km (0.044 R)
• M84: 37,293,403 km (0.108 R)
• M85: 37,598,582 km (0.094 R)
• M86: 38,580,692 km (0.113 R)
• M87: 40,382,000 km (0.086 R)
• M88: 40,946,583 km (0.046 R)
• M89: 41,640,119 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.8

Radius: 5.9

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8 AU - 8.54 AU

Year: 15356 Days

Day: 21.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 52,412,789 km

• M1: 91,853 km (0.082 R)
• M2: 359,035 km (0.064 R)
• M3: 507,885 km (0.066 R)
• M4: 641,027 km (0.068 R)
• M5: 693,985 km (0.088 R)
• M6: 804,537 km (0.09 R)
• M7: 981,063 km (0.093 R)
• M8: 1,063,491 km (0.074 R)
• M9: 1,170,005 km (0.072 R)
• M10: 1,486,554 km (0.088 R)
• M11: 1,803,552 km (0.066 R)
• M12: 1,905,278 km (0.118 R)
• M13: 1,956,890 km (0.106 R)
• M14: 2,141,194 km (0.072 R)
• M15: 2,470,310 km (0.09 R)
• M16: 2,640,702 km (0.082 R)
• M17: 2,727,468 km (0.087 R)
• M18: 3,267,367 km (0.05 R)
• M19: 4,476,716 km (0.027 R)
• M20: 4,825,130 km (0.05 R)
• M21: 4,966,949 km (0.106 R)
• M22: 5,622,187 km (0.079 R)
• M23: 5,809,035 km (0.116 R)
• M24: 5,884,283 km (0.1 R)
• M25: 6,812,986 km (0.116 R)
• M26: 6,932,365 km (0.117 R)
• M27: 7,132,677 km (0.1 R)
• M28: 7,416,464 km (0.097 R)
• M29: 8,204,994 km (0.106 R)
• M30: 8,459,460 km (0.113 R)
• M31: 8,587,815 km (0.1 R)
• M32: 8,673,685 km (0.114 R)
• M33: 8,802,937 km (0.08 R)
• M34: 9,370,661 km (0.074 R)
• M35: 10,085,739 km (0.103 R)
• M36: 10,449,860 km (0.107 R)
• M37: 10,679,493 km (0.073 R)
• M38: 11,425,837 km (0.068 R)
• M39: 11,567,655 km (0.056 R)
• M40: 11,805,217 km (0.112 R)
• M41: 11,900,810 km (0.098 R)
• M42: 14,066,089 km (0.082 R)
• M43: 14,218,081 km (0.108 R)
• M44: 14,780,120 km (0.073 R)
• M45: 15,245,220 km (0.075 R)
• M46: 15,662,897 km (0.077 R)
• M47: 16,137,122 km (0.089 R)
• M48: 16,455,915 km (0.092 R)
• M49: 16,615,985 km (0.106 R)
• M50: 17,207,794 km (0.099 R)
• M51: 17,261,949 km (0.031 R)
• M52: 18,856,363 km (0.083 R)
• M53: 19,642,948 km (0.114 R)
• M54: 19,699,496 km (0.118 R)
• M55: 21,247,685 km (0.09 R)
• M56: 21,363,922 km (0.062 R)
• M57: 23,612,229 km (0.095 R)
• M58: 23,853,231 km (0.033 R)
• M59: 24,398,515 km (0.12 R)
• M60: 25,070,509 km (0.119 R)
• M61: 25,254,813 km (0.056 R)
• M62: 25,316,448 km (0.051 R)
• M63: 26,871,218 km (0.091 R)
• M64: 26,934,049 km (0.114 R)
• M65: 27,438,344 km (0.114 R)
• M66: 28,392,629 km (0.055 R)
• M67: 30,137,389 km (0.12 R)
• M68: 33,797,151 km (0.108 R)
• M69: 33,865,068 km (0.075 R)
• M70: 34,682,621 km (0.088 R)
• M71: 35,025,050 km (0.101 R)
• M72: 35,368,826 km (0.088 R)
• M73: 35,644,535 km (0.069 R)
• M74: 35,851,878 km (0.098 R)
• M75: 36,059,520 km (0.111 R)
• M76: 37,454,220 km (0.115 R)
• M77: 37,524,382 km (0.109 R)
• M78: 38,087,618 km (0.052 R)
• M79: 38,582,637 km (0.115 R)
• M80: 39,222,318 km (0.072 R)
• M81: 40,224,175 km (0.117 R)
• M82: 40,440,044 km (0.091 R)
• M83: 41,670,188 km (0.085 R)
• M84: 43,353,912 km (0.101 R)
• M85: 44,761,478 km (0.085 R)
• M86: 45,583,369 km (0.103 R)
• M87: 46,259,402 km (0.113 R)
• M88: 46,938,725 km (0.034 R)
• M89: 47,849,777 km (0.082 R)
• M90: 48,154,657 km (0.117 R)
• M91: 48,307,396 km (0.067 R)
• M92: 48,536,880 km (0.093 R)
• M93: 49,998,002 km (0.101 R)
• M94: 50,075,194 km (0.105 R)
• M95: 50,617,487 km (0.032 R)
• M96: 51,005,992 km (0.097 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 15,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit