🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.46 AU - 0.6 AU

Year: 249 Days

Day: 30.7 Hours

Environment

Temp: -112 °C

Axial Tilt: 73.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.2

Radius: 10.5

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.61 AU - 0.91 AU

Year: 428 Days

Day: 12 Hours

Environment

Temp: -153 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 46,265,155 km

• M1: 131,646 km (0.072 R)
• M2: 204,500 km (0.099 R)
• M3: 312,510 km (0.095 R)
• M4: 384,018 km (0.042 R)
• M5: 495,767 km (0.056 R)
• M6: 572,361 km (0.12 R)
• M7: 674,537 km (0.106 R)
• M8: 806,183 km (0.045 R)
• M9: 937,231 km (0.049 R)
• M10: 1,158,486 km (0.099 R)
• M11: 1,313,619 km (0.107 R)
• M12: 1,380,040 km (0.092 R)
• M13: 1,476,082 km (0.039 R)
• M14: 1,562,699 km (0.066 R)
• M15: 1,705,117 km (0.059 R)
• M16: 1,808,638 km (0.118 R)
• M17: 1,901,688 km (0.088 R)
• M18: 1,983,817 km (0.114 R)
• M19: 2,277,328 km (0.09 R)
• M20: 2,467,018 km (0.113 R)
• M21: 2,761,577 km (0.115 R)
• M22: 2,833,384 km (0.107 R)
• M23: 2,905,789 km (0.034 R)
• M24: 2,978,942 km (0.106 R)
• M25: 3,127,044 km (0.116 R)
• M26: 3,353,685 km (0.12 R)
• M27: 3,461,396 km (0.115 R)
• M28: 3,593,790 km (0.051 R)
• M29: 3,696,115 km (0.116 R)
• M30: 3,783,480 km (0.083 R)
• M31: 3,911,835 km (0.054 R)
• M32: 4,033,458 km (0.069 R)
• M33: 4,164,655 km (0.108 R)
• M34: 4,255,760 km (0.106 R)
• M35: 4,322,331 km (0.1 R)
• M36: 4,583,828 km (0.086 R)
• M37: 4,720,860 km (0.089 R)
• M38: 4,833,208 km (0.113 R)
• M39: 5,078,249 km (0.117 R)
• M40: 5,211,242 km (0.106 R)
• M41: 5,507,745 km (0.074 R)
• M42: 5,745,456 km (0.083 R)
• M43: 5,819,208 km (0.112 R)
• M44: 5,921,233 km (0.079 R)
• M45: 6,230,751 km (0.116 R)
• M46: 6,344,745 km (0.072 R)
• M47: 6,497,634 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.6

Radius: 11.6

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.03 AU - 1.03 AU

Year: 675 Days

Day: 9.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 46,265,155 km

• M1: 150,495 km (0.058 R)
• M2: 235,018 km (0.098 R)
• M3: 316,848 km (0.059 R)
• M4: 409,001 km (0.074 R)
• M5: 483,351 km (0.118 R)
• M6: 635,791 km (0.102 R)
• M7: 769,083 km (0.086 R)
• M8: 912,697 km (0.08 R)
• M9: 1,069,924 km (0.083 R)
• M10: 1,175,839 km (0.081 R)
• M11: 1,254,378 km (0.113 R)
• M12: 1,380,340 km (0.051 R)
• M13: 1,510,639 km (0.088 R)
• M14: 1,596,808 km (0.068 R)
• M15: 1,679,685 km (0.119 R)
• M16: 1,754,035 km (0.093 R)
• M17: 1,829,582 km (0.073 R)
• M18: 1,942,528 km (0.111 R)
• M19: 2,026,154 km (0.078 R)
• M20: 2,127,132 km (0.116 R)
• M21: 2,208,065 km (0.116 R)
• M22: 2,290,044 km (0.12 R)
• M23: 2,468,514 km (0.117 R)
• M24: 2,570,989 km (0.114 R)
• M25: 2,645,938 km (0.111 R)
• M26: 2,750,806 km (0.082 R)
• M27: 2,845,352 km (0.111 R)
• M28: 3,007,216 km (0.091 R)
• M29: 3,092,487 km (0.109 R)
• M30: 3,197,056 km (0.113 R)
• M31: 3,277,839 km (0.078 R)
• M32: 3,460,648 km (0.037 R)
• M33: 3,679,210 km (0.081 R)
• M34: 3,809,959 km (0.087 R)
• M35: 3,889,245 km (0.118 R)
• M36: 3,995,759 km (0.108 R)
• M37: 4,204,897 km (0.097 R)
• M38: 4,369,305 km (0.104 R)
• M39: 4,556,901 km (0.09 R)
• M40: 4,676,280 km (0.104 R)
• M41: 4,839,641 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.7

Radius: 9.7

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.81 AU - 2.15 AU

Year: 1799 Days

Day: 7.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 46,265,155 km

• M1: 135,984 km (0.095 R)
• M2: 196,572 km (0.083 R)
• M3: 277,354 km (0.101 R)
• M4: 375,640 km (0.088 R)
• M5: 442,959 km (0.059 R)
• M6: 571,165 km (0.049 R)
• M7: 760,256 km (0.091 R)
• M8: 841,787 km (0.102 R)
• M9: 961,466 km (0.083 R)
• M10: 1,086,978 km (0.062 R)
• M11: 1,285,794 km (0.098 R)
• M12: 1,496,876 km (0.088 R)
• M13: 1,686,716 km (0.118 R)
• M14: 1,873,414 km (0.082 R)
• M15: 2,090,181 km (0.068 R)
• M16: 2,498,733 km (0.041 R)
• M17: 2,686,927 km (0.069 R)
• M18: 2,814,983 km (0.054 R)
• M19: 2,997,792 km (0.114 R)
• M20: 3,457,955 km (0.088 R)
• M21: 3,625,654 km (0.077 R)
• M22: 4,174,678 km (0.082 R)
• M23: 4,248,879 km (0.088 R)
• M24: 4,383,666 km (0.093 R)
• M25: 4,565,428 km (0.043 R)
• M26: 4,672,689 km (0.104 R)
• M27: 4,749,732 km (0.109 R)
• M28: 5,015,119 km (0.064 R)
• M29: 5,253,428 km (0.11 R)
• M30: 5,333,613 km (0.065 R)
• M31: 5,593,165 km (0.106 R)
• M32: 5,940,083 km (0.109 R)
• M33: 6,006,953 km (0.034 R)
• M34: 6,158,496 km (0.102 R)
• M35: 6,260,072 km (0.101 R)
• M36: 6,413,710 km (0.088 R)
• M37: 6,551,190 km (0.04 R)
• M38: 6,620,304 km (0.091 R)
• M39: 6,934,609 km (0.087 R)
• M40: 7,433,069 km (0.062 R)
• M41: 7,723,140 km (0.115 R)
• M42: 8,127,952 km (0.076 R)
• M43: 8,370,599 km (0.091 R)
• M44: 8,483,246 km (0.117 R)
• M45: 8,653,339 km (0.111 R)
• M46: 8,729,335 km (0.099 R)
• M47: 8,843,628 km (0.104 R)
• M48: 9,306,184 km (0.109 R)
• M49: 9,501,110 km (0.108 R)
• M50: 9,638,441 km (0.058 R)
• M51: 9,756,624 km (0.112 R)
• M52: 9,875,404 km (0.054 R)
• M53: 10,114,312 km (0.096 R)
• M54: 10,496,385 km (0.107 R)
• M55: 10,842,405 km (0.032 R)
• M56: 11,109,437 km (0.071 R)
• M57: 11,171,520 km (0.067 R)
• M58: 11,337,275 km (0.114 R)
• M59: 11,462,039 km (0.083 R)
• M60: 11,818,381 km (0.108 R)
• M61: 11,902,755 km (0.095 R)
• M62: 11,966,034 km (0.117 R)
• M63: 12,327,463 km (0.078 R)
• M64: 12,563,229 km (0.08 R)
• M65: 12,627,855 km (0.025 R)
• M66: 12,908,950 km (0.099 R)
• M67: 13,323,336 km (0.066 R)
• M68: 13,587,376 km (0.103 R)
• M69: 13,786,641 km (0.112 R)
• M70: 14,009,093 km (0.12 R)
• M71: 14,210,302 km (0.12 R)
• M72: 14,751,547 km (0.101 R)
• M73: 15,070,489 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.4

Radius: 14.7

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.38 AU - 4.06 AU

Year: 4633 Days

Day: 7.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 46,265,155 km

• M1: 189,541 km (0.035 R)
• M2: 299,944 km (0.053 R)
• M3: 650,900 km (0.071 R)
• M4: 814,112 km (0.114 R)
• M5: 1,005,148 km (0.065 R)
• M6: 1,119,740 km (0.108 R)
• M7: 1,239,269 km (0.086 R)
• M8: 1,335,610 km (0.074 R)
• M9: 1,580,502 km (0.092 R)
• M10: 1,685,968 km (0.113 R)
• M11: 1,793,828 km (0.112 R)
• M12: 1,920,089 km (0.102 R)
• M13: 2,016,878 km (0.106 R)
• M14: 2,491,104 km (0.093 R)
• M15: 2,687,227 km (0.065 R)
• M16: 2,888,436 km (0.065 R)
• M17: 3,152,027 km (0.085 R)
• M18: 3,403,950 km (0.103 R)
• M19: 3,723,192 km (0.107 R)
• M20: 3,886,553 km (0.104 R)
• M21: 4,939,273 km (0.08 R)
• M22: 5,119,389 km (0.064 R)
• M23: 5,649,264 km (0.114 R)
• M24: 6,076,217 km (0.096 R)
• M25: 6,172,558 km (0.05 R)
• M26: 6,269,497 km (0.087 R)
• M27: 6,811,490 km (0.097 R)
• M28: 7,138,810 km (0.084 R)
• M29: 7,266,118 km (0.088 R)
• M30: 7,914,176 km (0.065 R)
• M31: 8,098,930 km (0.101 R)
• M32: 8,743,547 km (0.11 R)
• M33: 10,053,575 km (0.119 R)
• M34: 10,196,591 km (0.082 R)
• M35: 10,716,892 km (0.078 R)
• M36: 11,009,805 km (0.115 R)
• M37: 11,364,801 km (0.037 R)
• M38: 11,513,800 km (0.074 R)
• M39: 12,177,267 km (0.078 R)
• M40: 12,391,042 km (0.106 R)
• M41: 12,513,712 km (0.096 R)
• M42: 12,791,216 km (0.115 R)
• M43: 13,008,582 km (0.03 R)
• M44: 13,289,676 km (0.115 R)
• M45: 13,985,606 km (0.078 R)
• M46: 14,241,568 km (0.063 R)
• M47: 14,563,802 km (0.107 R)
• M48: 14,758,279 km (0.079 R)
• M49: 15,117,014 km (0.091 R)
• M50: 16,110,195 km (0.073 R)
• M51: 16,311,404 km (0.115 R)
• M52: 16,886,009 km (0.118 R)
• M53: 17,022,143 km (0.061 R)
• M54: 17,570,569 km (0.109 R)
• M55: 17,708,498 km (0.07 R)
• M56: 18,089,823 km (0.082 R)
• M57: 18,368,973 km (0.082 R)
• M58: 18,649,469 km (0.05 R)
• M59: 18,825,546 km (0.117 R)
• M60: 19,108,286 km (0.105 R)
• M61: 19,321,313 km (0.073 R)
• M62: 19,463,880 km (0.097 R)
• M63: 20,109,245 km (0.044 R)
• M64: 20,470,973 km (0.034 R)
• M65: 21,200,711 km (0.114 R)
• M66: 21,605,672 km (0.096 R)
• M67: 22,573,122 km (0.104 R)
• M68: 23,062,157 km (0.091 R)
• M69: 23,402,792 km (0.069 R)
• M70: 23,936,108 km (0.097 R)
• M71: 24,396,271 km (0.074 R)
• M72: 24,704,742 km (0.063 R)
• M73: 24,898,172 km (0.104 R)
• M74: 26,424,220 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.1

Radius: 6.6

Gravity: 21.33 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.24 AU - 10.2 AU

Year: 15217 Days

Day: 22 Hours

Environment

Temp: -226 °C

Axial Tilt: 162 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 46,265,155 km

• M1: 265,686 km (0.086 R)
• M2: 464,801 km (0.104 R)
• M3: 622,028 km (0.086 R)
• M4: 773,870 km (0.113 R)
• M5: 1,138,440 km (0.072 R)
• M6: 1,325,288 km (0.105 R)
• M7: 1,465,012 km (0.071 R)
• M8: 1,668,615 km (0.106 R)
• M9: 2,366,040 km (0.09 R)
• M10: 2,433,658 km (0.119 R)
• M11: 2,570,540 km (0.103 R)
• M12: 2,852,083 km (0.117 R)
• M13: 3,794,251 km (0.081 R)
• M14: 4,033,757 km (0.082 R)
• M15: 5,436,387 km (0.03 R)
• M16: 5,888,771 km (0.042 R)
• M17: 5,980,624 km (0.119 R)
• M18: 6,685,230 km (0.12 R)
• M19: 7,715,211 km (0.079 R)
• M20: 7,815,890 km (0.117 R)
• M21: 8,532,614 km (0.117 R)
• M22: 9,700,824 km (0.03 R)
• M23: 10,470,205 km (0.088 R)
• M24: 10,862,152 km (0.116 R)
• M25: 11,602,811 km (0.113 R)
• M26: 11,776,045 km (0.078 R)
• M27: 13,615,800 km (0.042 R)
• M28: 13,737,572 km (0.055 R)
• M29: 13,798,608 km (0.066 R)
• M30: 14,043,500 km (0.079 R)
• M31: 14,166,470 km (0.097 R)
• M32: 14,974,747 km (0.106 R)
• M33: 15,606,648 km (0.118 R)
• M34: 17,355,896 km (0.112 R)
• M35: 17,752,929 km (0.077 R)
• M36: 19,166,180 km (0.11 R)
• M37: 19,576,527 km (0.094 R)
• M38: 20,406,047 km (0.088 R)
• M39: 20,965,394 km (0.029 R)
• M40: 21,459,067 km (0.104 R)
• M41: 21,885,121 km (0.071 R)
• M42: 23,398,453 km (0.043 R)
• M43: 23,763,622 km (0.082 R)
• M44: 23,836,925 km (0.101 R)
• M45: 24,945,146 km (0.093 R)
• M46: 25,994,575 km (0.092 R)
• M47: 26,981,921 km (0.086 R)
• M48: 28,369,142 km (0.079 R)
• M49: 28,680,455 km (0.113 R)
• M50: 29,542,737 km (0.088 R)
• M51: 31,775,635 km (0.105 R)
• M52: 35,141,886 km (0.084 R)
• M53: 35,225,362 km (0.038 R)
• M54: 36,064,007 km (0.107 R)
• M55: 37,761,195 km (0.073 R)
• M56: 37,846,616 km (0.078 R)
• M57: 39,223,963 km (0.094 R)
• M58: 39,570,881 km (0.098 R)
• M59: 39,657,797 km (0.063 R)
• M60: 40,530,102 km (0.08 R)
• M61: 40,617,767 km (0.07 R)
• M62: 41,496,953 km (0.084 R)
• M63: 42,293,712 km (0.095 R)
• M64: 42,649,455 km (0.028 R)
• M65: 43,006,097 km (0.045 R)
• M66: 44,714,056 km (0.111 R)
• M67: 45,804,026 km (0.046 R)
• M68: 46,627,263 km (0.116 R)
• M69: 48,102,896 km (0.107 R)
• M70: 48,288,397 km (0.081 R)
• M71: 49,032,946 km (0.085 R)
• M72: 50,062,778 km (0.11 R)
• M73: 51,099,790 km (0.059 R)
• M74: 51,953,545 km (0.086 R)
• M75: 52,620,752 km (0.12 R)
• M76: 53,003,274 km (0.092 R)
• M77: 53,771,159 km (0.076 R)
• M78: 54,639,425 km (0.084 R)
• M79: 54,929,945 km (0.051 R)
• M80: 55,706,956 km (0.116 R)
• M81: 58,158,566 km (0.079 R)
• M82: 58,554,103 km (0.053 R)
• M83: 58,950,537 km (0.104 R)
• M84: 61,649,582 km (0.108 R)
• M85: 61,750,411 km (0.099 R)
• M86: 64,490,894 km (0.063 R)
• M87: 64,593,219 km (0.033 R)
• M88: 64,900,343 km (0.085 R)
• M89: 65,002,818 km (0.058 R)
• M90: 65,105,293 km (0.085 R)
• M91: 65,927,482 km (0.104 R)
• M92: 67,167,350 km (0.06 R)
• M93: 67,789,976 km (0.082 R)
• M94: 68,832,224 km (0.081 R)
• M95: 69,564,955 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.1

Radius: 3.8

Gravity: 16.14 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.14 AU - 9.04 AU

Year: 16256 Days

Day: 24.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 46,265,155 km

• M1: 86,767 km (0.067 R)
• M2: 208,539 km (0.119 R)
• M3: 430,991 km (0.067 R)
• M4: 903,272 km (0.117 R)
• M5: 958,773 km (0.065 R)
• M6: 1,034,768 km (0.1 R)
• M7: 1,295,069 km (0.093 R)
• M8: 1,358,049 km (0.062 R)
• M9: 1,421,928 km (0.109 R)
• M10: 1,896,901 km (0.104 R)
• M11: 1,968,558 km (0.086 R)
• M12: 1,992,494 km (0.088 R)
• M13: 2,442,335 km (0.055 R)
• M14: 2,759,183 km (0.072 R)
• M15: 3,088,747 km (0.048 R)
• M16: 3,315,388 km (0.107 R)
• M17: 4,057,693 km (0.087 R)
• M18: 4,494,967 km (0.076 R)
• M19: 4,526,832 km (0.096 R)
• M20: 5,312,370 km (0.115 R)
• M21: 5,346,030 km (0.085 R)
• M22: 5,686,365 km (0.032 R)
• M23: 6,033,731 km (0.117 R)
• M24: 6,423,733 km (0.101 R)
• M25: 6,712,456 km (0.07 R)
• M26: 6,748,809 km (0.1 R)
• M27: 7,603,761 km (0.11 R)
• M28: 7,985,983 km (0.038 R)
• M29: 8,413,534 km (0.111 R)
• M30: 8,689,542 km (0.105 R)
• M31: 9,658,338 km (0.12 R)
• M32: 9,988,799 km (0.08 R)
• M33: 10,364,888 km (0.078 R)
• M34: 10,533,635 km (0.073 R)
• M35: 10,660,793 km (0.082 R)
• M36: 11,433,915 km (0.101 R)
• M37: 12,448,039 km (0.116 R)
• M38: 12,582,527 km (0.095 R)
• M39: 12,762,344 km (0.045 R)
• M40: 12,988,536 km (0.106 R)
• M41: 13,859,794 km (0.105 R)
• M42: 14,278,967 km (0.11 R)
• M43: 14,419,589 km (0.089 R)
• M44: 15,706,280 km (0.077 R)
• M45: 16,143,256 km (0.089 R)
• M46: 16,192,025 km (0.099 R)
• M47: 17,327,921 km (0.084 R)
• M48: 18,082,493 km (0.086 R)
• M49: 18,133,207 km (0.114 R)
• M50: 18,336,361 km (0.081 R)
• M51: 18,438,237 km (0.106 R)
• M52: 18,642,587 km (0.077 R)
• M53: 18,693,900 km (0.042 R)
• M54: 18,847,686 km (0.116 R)
• M55: 19,467,470 km (0.119 R)
• M56: 19,623,501 km (0.096 R)
• M57: 19,779,830 km (0.075 R)
• M58: 20,093,986 km (0.081 R)
• M59: 21,152,541 km (0.077 R)
• M60: 21,312,909 km (0.039 R)
• M61: 21,688,699 km (0.1 R)
• M62: 22,392,258 km (0.076 R)
• M63: 23,434,058 km (0.1 R)
• M64: 23,766,315 km (0.085 R)
• M65: 24,997,804 km (0.092 R)
• M66: 25,167,299 km (0.09 R)
• M67: 25,906,462 km (0.096 R)
• M68: 27,638,955 km (0.109 R)
• M69: 28,992,516 km (0.107 R)
• M70: 29,170,538 km (0.116 R)
• M71: 30,850,522 km (0.076 R)
• M72: 31,336,266 km (0.119 R)
• M73: 31,458,039 km (0.077 R)
• M74: 31,824,553 km (0.091 R)
• M75: 33,304,226 km (0.05 R)
• M76: 33,490,775 km (0.046 R)
• M77: 33,802,536 km (0.094 R)
• M78: 33,927,451 km (0.078 R)
• M79: 34,869,468 km (0.041 R)
• M80: 35,058,859 km (0.1 R)
• M81: 36,138,657 km (0.111 R)
• M82: 36,971,767 km (0.12 R)
• M83: 37,552,207 km (0.053 R)
• M84: 37,811,161 km (0.073 R)
• M85: 38,070,713 km (0.087 R)
• M86: 39,904,035 km (0.099 R)
• M87: 39,970,008 km (0.1 R)
• M88: 40,168,375 km (0.082 R)
• M89: 42,034,159 km (0.08 R)
• M90: 42,101,329 km (0.059 R)
• M91: 44,064,502 km (0.092 R)
• M92: 44,542,916 km (0.078 R)
• M93: 45,366,901 km (0.095 R)
• M94: 45,918,917 km (0.035 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 11,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit