🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.2

Radius: 11.3

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.82 AU - 1.24 AU

Year: 722 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 61,940,186 km

• M1: 140,772 km (0.094 R)
• M2: 243,845 km (0.062 R)
• M3: 337,942 km (0.115 R)
• M4: 415,433 km (0.068 R)
• M5: 519,853 km (0.047 R)
• M6: 720,912 km (0.105 R)
• M7: 793,916 km (0.116 R)
• M8: 875,746 km (0.116 R)
• M9: 1,240,615 km (0.061 R)
• M10: 1,337,405 km (0.113 R)
• M11: 1,502,262 km (0.085 R)
• M12: 1,613,563 km (0.099 R)
• M13: 1,704,668 km (0.078 R)
• M14: 1,813,126 km (0.113 R)
• M15: 1,940,135 km (0.074 R)
• M16: 2,128,030 km (0.061 R)
• M17: 2,228,559 km (0.057 R)
• M18: 2,313,531 km (0.064 R)
• M19: 2,460,586 km (0.114 R)
• M20: 2,902,049 km (0.09 R)
• M21: 3,108,345 km (0.067 R)
• M22: 3,222,937 km (0.071 R)
• M23: 3,378,070 km (0.09 R)
• M24: 3,476,206 km (0.094 R)
• M25: 3,665,597 km (0.107 R)
• M26: 3,858,279 km (0.1 R)
• M27: 3,930,086 km (0.053 R)
• M28: 4,002,341 km (0.092 R)
• M29: 4,085,667 km (0.095 R)
• M30: 4,370,801 km (0.114 R)
• M31: 4,488,834 km (0.084 R)
• M32: 4,662,367 km (0.079 R)
• M33: 4,949,296 km (0.025 R)
• M34: 5,027,536 km (0.061 R)
• M35: 5,299,056 km (0.116 R)
• M36: 5,517,469 km (0.052 R)
• M37: 5,645,225 km (0.089 R)
• M38: 5,785,698 km (0.11 R)
• M39: 6,022,511 km (0.075 R)
• M40: 6,214,445 km (0.098 R)
• M41: 6,383,940 km (0.108 R)
• M42: 6,567,197 km (0.052 R)
• M43: 6,653,365 km (0.095 R)
• M44: 6,839,315 km (0.057 R)
• M45: 6,926,531 km (0.038 R)
• M46: 7,089,742 km (0.057 R)
• M47: 7,178,155 km (0.086 R)
• M48: 7,445,636 km (0.108 R)
• M49: 7,522,679 km (0.1 R)
• M50: 7,742,438 km (0.118 R)
• M51: 7,833,543 km (0.043 R)
• M52: 7,938,112 km (0.08 R)
• M53: 8,043,130 km (0.075 R)
• M54: 8,294,454 km (0.082 R)
• M55: 8,441,060 km (0.065 R)
• M56: 8,521,394 km (0.114 R)
• M57: 8,682,960 km (0.077 R)
• M58: 8,968,093 km (0.098 R)
• M59: 9,063,836 km (0.111 R)
• M60: 9,214,930 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.9

Radius: 11.2

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.74 AU - 3.18 AU

Year: 3515 Days

Day: 7.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 61,940,186 km

• M1: 141,669 km (0.119 R)
• M2: 307,424 km (0.114 R)
• M3: 396,285 km (0.099 R)
• M4: 574,456 km (0.069 R)
• M5: 699,669 km (0.078 R)
• M6: 898,186 km (0.113 R)
• M7: 1,013,226 km (0.077 R)
• M8: 1,098,497 km (0.104 R)
• M9: 1,249,591 km (0.109 R)
• M10: 1,417,440 km (0.052 R)
• M11: 1,513,930 km (0.114 R)
• M12: 1,817,315 km (0.112 R)
• M13: 2,052,333 km (0.083 R)
• M14: 2,195,798 km (0.11 R)
• M15: 2,634,867 km (0.026 R)
• M16: 2,803,614 km (0.103 R)
• M17: 2,914,017 km (0.079 R)
• M18: 3,025,916 km (0.116 R)
• M19: 3,241,337 km (0.085 R)
• M20: 3,331,395 km (0.108 R)
• M21: 3,435,515 km (0.12 R)
• M22: 3,593,790 km (0.109 R)
• M23: 3,917,519 km (0.118 R)
• M24: 4,013,711 km (0.116 R)
• M25: 4,335,496 km (0.118 R)
• M26: 4,449,340 km (0.09 R)
• M27: 4,856,096 km (0.105 R)
• M28: 4,959,618 km (0.108 R)
• M29: 5,078,848 km (0.082 R)
• M30: 5,168,906 km (0.028 R)
• M31: 5,320,299 km (0.057 R)
• M32: 5,427,112 km (0.099 R)
• M33: 5,767,447 km (0.078 R)
• M34: 5,861,544 km (0.11 R)
• M35: 6,243,018 km (0.078 R)
• M36: 6,323,502 km (0.029 R)
• M37: 6,979,937 km (0.108 R)
• M38: 7,164,242 km (0.093 R)
• M39: 7,282,424 km (0.046 R)
• M40: 7,761,586 km (0.106 R)
• M41: 8,074,994 km (0.073 R)
• M42: 8,339,333 km (0.116 R)
• M43: 8,481,601 km (0.086 R)
• M44: 8,931,142 km (0.05 R)
• M45: 9,259,659 km (0.084 R)
• M46: 9,370,063 km (0.08 R)
• M47: 9,555,115 km (0.063 R)
• M48: 9,629,465 km (0.087 R)
• M49: 10,022,908 km (0.068 R)
• M50: 10,402,438 km (0.08 R)
• M51: 10,479,032 km (0.118 R)
• M52: 10,594,072 km (0.11 R)
• M53: 10,825,500 km (0.106 R)
• M54: 10,980,783 km (0.108 R)
• M55: 11,748,220 km (0.042 R)
• M56: 11,887,795 km (0.081 R)
• M57: 12,027,968 km (0.057 R)
• M58: 12,108,302 km (0.08 R)
• M59: 12,289,764 km (0.095 R)
• M60: 12,411,088 km (0.105 R)
• M61: 12,573,701 km (0.099 R)
• M62: 12,696,072 km (0.117 R)
• M63: 13,086,223 km (0.103 R)
• M64: 13,293,117 km (0.104 R)
• M65: 13,459,470 km (0.105 R)
• M66: 13,626,421 km (0.1 R)
• M67: 14,131,613 km (0.108 R)
• M68: 14,216,435 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.8

Radius: 14.5

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.08 AU - 3.28 AU

Year: 3914 Days

Day: 7.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 61,940,186 km

• M1: 200,162 km (0.083 R)
• M2: 331,808 km (0.119 R)
• M3: 463,005 km (0.115 R)
• M4: 608,564 km (0.117 R)
• M5: 761,603 km (0.098 R)
• M6: 892,202 km (0.105 R)
• M7: 1,005,447 km (0.063 R)
• M8: 1,110,764 km (0.103 R)
• M9: 1,435,840 km (0.1 R)
• M10: 1,649,167 km (0.082 R)
• M11: 1,989,203 km (0.07 R)
• M12: 2,423,785 km (0.092 R)
• M13: 2,717,745 km (0.091 R)
• M14: 3,381,211 km (0.053 R)
• M15: 3,606,505 km (0.109 R)
• M16: 3,815,942 km (0.049 R)
• M17: 4,290,617 km (0.045 R)
• M18: 4,401,319 km (0.1 R)
• M19: 4,512,769 km (0.095 R)
• M20: 4,625,417 km (0.053 R)
• M21: 5,038,307 km (0.109 R)
• M22: 5,225,753 km (0.096 R)
• M23: 5,320,299 km (0.078 R)
• M24: 5,439,379 km (0.109 R)
• M25: 6,048,242 km (0.063 R)
• M26: 6,576,622 km (0.106 R)
• M27: 6,678,947 km (0.047 R)
• M28: 7,145,991 km (0.049 R)
• M29: 7,543,473 km (0.118 R)
• M30: 7,677,662 km (0.11 R)
• M31: 7,921,058 km (0.067 R)
• M32: 8,387,953 km (0.076 R)
• M33: 8,835,549 km (0.072 R)
• M34: 9,725,058 km (0.046 R)
• M35: 10,463,324 km (0.096 R)
• M36: 10,763,567 km (0.073 R)
• M37: 10,854,223 km (0.038 R)
• M38: 11,219,541 km (0.036 R)
• M39: 11,342,211 km (0.074 R)
• M40: 12,024,826 km (0.09 R)
• M41: 12,276,450 km (0.085 R)
• M42: 12,466,140 km (0.101 R)
• M43: 12,784,784 km (0.072 R)
• M44: 12,880,825 km (0.09 R)
• M45: 12,977,166 km (0.088 R)
• M46: 13,560,299 km (0.097 R)
• M47: 13,691,048 km (0.112 R)
• M48: 14,417,644 km (0.114 R)
• M49: 14,584,596 km (0.09 R)
• M50: 14,920,293 km (0.045 R)
• M51: 15,021,571 km (0.082 R)
• M52: 15,122,998 km (0.119 R)
• M53: 15,496,993 km (0.1 R)
• M54: 16,081,023 km (0.052 R)
• M55: 16,462,797 km (0.072 R)
• M56: 17,023,340 km (0.065 R)
• M57: 17,270,625 km (0.119 R)
• M58: 17,483,503 km (0.071 R)
• M59: 17,697,279 km (0.086 R)
• M60: 17,876,048 km (0.097 R)
• M61: 18,055,565 km (0.074 R)
• M62: 18,561,057 km (0.115 R)
• M63: 18,669,964 km (0.093 R)
• M64: 19,586,101 km (0.107 R)
• M65: 19,771,154 km (0.062 R)
• M66: 19,956,655 km (0.114 R)
• M67: 20,105,505 km (0.052 R)
• M68: 20,329,603 km (0.089 R)
• M69: 20,591,997 km (0.06 R)
• M70: 21,233,922 km (0.097 R)
• M71: 21,347,915 km (0.074 R)
• M72: 21,882,578 km (0.048 R)
• M73: 23,434,207 km (0.118 R)
• M74: 23,788,156 km (0.068 R)
• M75: 24,064,762 km (0.085 R)
• M76: 25,302,385 km (0.108 R)
• M77: 26,397,292 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.1

Radius: 13.1

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.57 AU - 4.21 AU

Year: 4308 Days

Day: 14.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 61,940,186 km

• M1: 190,139 km (0.103 R)
• M2: 283,787 km (0.051 R)
• M3: 372,798 km (0.074 R)
• M4: 657,034 km (0.089 R)
• M5: 745,446 km (0.077 R)
• M6: 911,201 km (0.085 R)
• M7: 1,025,045 km (0.117 R)
• M8: 1,184,666 km (0.071 R)
• M9: 1,973,495 km (0.087 R)
• M10: 2,124,439 km (0.04 R)
• M11: 2,546,455 km (0.026 R)
• M12: 3,328,104 km (0.091 R)
• M13: 3,966,288 km (0.052 R)
• M14: 4,266,980 km (0.117 R)
• M15: 4,398,177 km (0.118 R)
• M16: 4,508,581 km (0.104 R)
• M17: 4,619,881 km (0.112 R)
• M18: 4,890,953 km (0.111 R)
• M19: 5,377,744 km (0.094 R)
• M20: 5,807,539 km (0.104 R)
• M21: 5,977,781 km (0.113 R)
• M22: 6,174,353 km (0.097 R)
• M23: 6,298,220 km (0.108 R)
• M24: 7,215,105 km (0.045 R)
• M25: 8,146,502 km (0.078 R)
• M26: 8,557,148 km (0.089 R)
• M27: 8,640,175 km (0.059 R)
• M28: 9,059,049 km (0.088 R)
• M29: 9,143,721 km (0.064 R)
• M30: 9,456,081 km (0.112 R)
• M31: 9,570,673 km (0.057 R)
• M32: 9,743,309 km (0.094 R)
• M33: 10,562,507 km (0.085 R)
• M34: 10,770,747 km (0.056 R)
• M35: 11,161,198 km (0.058 R)
• M36: 11,312,591 km (0.082 R)
• M37: 11,434,214 km (0.063 R)
• M38: 11,863,410 km (0.091 R)
• M39: 12,548,569 km (0.087 R)
• M40: 13,439,125 km (0.081 R)
• M41: 13,859,495 km (0.045 R)
• M42: 14,185,917 km (0.102 R)
• M43: 15,213,655 km (0.094 R)
• M44: 15,923,646 km (0.1 R)
• M45: 16,299,885 km (0.095 R)
• M46: 16,471,773 km (0.057 R)
• M47: 17,375,793 km (0.061 R)
• M48: 17,481,110 km (0.102 R)
• M49: 17,798,407 km (0.069 R)
• M50: 19,742,281 km (0.108 R)
• M51: 19,962,340 km (0.059 R)
• M52: 20,072,743 km (0.044 R)
• M53: 21,112,747 km (0.051 R)
• M54: 21,300,194 km (0.07 R)
• M55: 21,942,118 km (0.056 R)
• M56: 22,208,253 km (0.026 R)
• M57: 23,516,037 km (0.105 R)
• M58: 23,632,724 km (0.105 R)
• M59: 23,866,545 km (0.084 R)
• M60: 24,690,829 km (0.104 R)
• M61: 24,848,954 km (0.106 R)
• M62: 25,364,917 km (0.103 R)
• M63: 25,804,436 km (0.115 R)
• M64: 26,085,381 km (0.111 R)
• M65: 26,771,885 km (0.111 R)
• M66: 26,934,349 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.9

Radius: 10.4

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.3 AU - 4.5 AU

Year: 5316 Days

Day: 12.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 61,940,186 km

• M1: 130,001 km (0.085 R)
• M2: 256,860 km (0.106 R)
• M3: 377,585 km (0.07 R)
• M4: 651,499 km (0.042 R)
• M5: 922,720 km (0.076 R)
• M6: 1,346,979 km (0.093 R)
• M7: 1,431,502 km (0.091 R)
• M8: 1,606,083 km (0.051 R)
• M9: 1,761,365 km (0.104 R)
• M10: 2,045,452 km (0.114 R)
• M11: 2,115,314 km (0.119 R)
• M12: 2,214,497 km (0.099 R)
• M13: 2,566,501 km (0.099 R)
• M14: 2,642,048 km (0.106 R)
• M15: 2,999,587 km (0.108 R)
• M16: 3,405,745 km (0.067 R)
• M17: 3,573,295 km (0.096 R)
• M18: 3,709,130 km (0.059 R)
• M19: 3,864,113 km (0.114 R)
• M20: 3,933,826 km (0.104 R)
• M21: 4,216,416 km (0.107 R)
• M22: 4,288,073 km (0.106 R)
• M23: 4,360,180 km (0.114 R)
• M24: 4,432,735 km (0.102 R)
• M25: 4,970,688 km (0.072 R)
• M26: 5,334,361 km (0.045 R)
• M27: 5,412,002 km (0.088 R)
• M28: 5,667,216 km (0.074 R)
• M29: 5,766,400 km (0.079 R)
• M30: 5,846,135 km (0.066 R)
• M31: 6,107,931 km (0.093 R)
• M32: 6,209,658 km (0.103 R)
• M33: 6,643,193 km (0.039 R)
• M34: 6,726,818 km (0.1 R)
• M35: 7,086,451 km (0.097 R)
• M36: 7,279,432 km (0.088 R)
• M37: 7,474,059 km (0.074 R)
• M38: 7,626,799 km (0.071 R)
• M39: 7,979,550 km (0.109 R)
• M40: 8,723,949 km (0.059 R)
• M41: 8,838,841 km (0.098 R)
• M42: 9,046,632 km (0.067 R)
• M43: 9,443,515 km (0.098 R)
• M44: 9,561,398 km (0.106 R)
• M45: 10,521,817 km (0.071 R)
• M46: 10,742,174 km (0.12 R)
• M47: 11,162,544 km (0.072 R)
• M48: 11,512,753 km (0.041 R)
• M49: 11,790,407 km (0.102 R)
• M50: 11,891,984 km (0.114 R)
• M51: 12,172,779 km (0.079 R)
• M52: 12,352,595 km (0.118 R)
• M53: 13,212,185 km (0.118 R)
• M54: 13,689,103 km (0.112 R)
• M55: 13,769,138 km (0.116 R)
• M56: 14,442,328 km (0.101 R)
• M57: 14,933,757 km (0.12 R)
• M58: 15,347,395 km (0.099 R)
• M59: 15,764,773 km (0.071 R)
• M60: 15,988,871 km (0.058 R)
• M61: 16,242,439 km (0.103 R)
• M62: 16,838,886 km (0.114 R)
• M63: 17,558,452 km (0.113 R)
• M64: 18,141,435 km (0.103 R)
• M65: 18,258,719 km (0.078 R)
• M66: 19,446,078 km (0.07 R)
• M67: 19,626,343 km (0.107 R)
• M68: 19,867,495 km (0.104 R)
• M69: 19,958,151 km (0.084 R)
• M70: 20,383,308 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.1

Radius: 6.9

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.47 AU - 9.69 AU

Year: 15854 Days

Day: 16.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 61,940,186 km

• M1: 87,814 km (0.052 R)
• M2: 562,189 km (0.118 R)
• M3: 861,983 km (0.063 R)
• M4: 1,485,357 km (0.098 R)
• M5: 2,721,634 km (0.072 R)
• M6: 3,823,871 km (0.086 R)
• M7: 4,498,109 km (0.093 R)
• M8: 5,371,162 km (0.087 R)
• M9: 5,453,142 km (0.042 R)
• M10: 5,618,298 km (0.113 R)
• M11: 6,123,490 km (0.086 R)
• M12: 6,209,209 km (0.11 R)
• M13: 7,222,436 km (0.066 R)
• M14: 7,267,614 km (0.118 R)
• M15: 7,632,783 km (0.119 R)
• M16: 7,678,859 km (0.098 R)
• M17: 7,817,536 km (0.106 R)
• M18: 7,864,061 km (0.049 R)
• M19: 8,333,499 km (0.1 R)
• M20: 8,619,530 km (0.075 R)
• M21: 9,348,670 km (0.043 R)
• M22: 9,546,439 km (0.075 R)
• M23: 10,917,204 km (0.066 R)
• M24: 10,969,264 km (0.07 R)
• M25: 11,230,163 km (0.112 R)
• M26: 11,864,906 km (0.062 R)
• M27: 12,025,425 km (0.118 R)
• M28: 12,348,556 km (0.052 R)
• M29: 12,402,711 km (0.114 R)
• M30: 12,457,015 km (0.104 R)
• M31: 12,674,680 km (0.066 R)
• M32: 12,948,444 km (0.05 R)
• M33: 13,502,105 km (0.05 R)
• M34: 13,669,655 km (0.117 R)
• M35: 13,950,450 km (0.081 R)
• M36: 14,176,493 km (0.042 R)
• M37: 14,233,190 km (0.117 R)
• M38: 14,689,613 km (0.108 R)
• M39: 15,499,686 km (0.058 R)
• M40: 16,146,397 km (0.062 R)
• M41: 16,861,924 km (0.093 R)
• M42: 17,526,887 km (0.095 R)
• M43: 17,954,437 km (0.116 R)
• M44: 18,447,362 km (0.107 R)
• M45: 18,509,296 km (0.118 R)
• M46: 18,633,462 km (0.071 R)
• M47: 18,944,775 km (0.098 R)
• M48: 19,007,307 km (0.09 R)
• M49: 20,720,053 km (0.107 R)
• M50: 21,562,139 km (0.106 R)
• M51: 22,813,077 km (0.108 R)
• M52: 22,879,498 km (0.078 R)
• M53: 23,346,692 km (0.071 R)
• M54: 24,767,124 km (0.09 R)
• M55: 25,522,294 km (0.104 R)
• M56: 28,331,593 km (0.089 R)
• M57: 29,121,021 km (0.049 R)
• M58: 30,355,502 km (0.093 R)
• M59: 31,237,083 km (0.073 R)
• M60: 31,606,889 km (0.117 R)
• M61: 33,704,550 km (0.092 R)
• M62: 34,159,926 km (0.11 R)
• M63: 34,235,922 km (0.102 R)
• M64: 34,693,691 km (0.097 R)
• M65: 35,153,405 km (0.033 R)
• M66: 35,538,021 km (0.049 R)
• M67: 35,769,599 km (0.082 R)
• M68: 36,078,967 km (0.079 R)
• M69: 38,269,529 km (0.102 R)
• M70: 39,620,248 km (0.11 R)
• M71: 39,780,318 km (0.108 R)
• M72: 40,020,572 km (0.065 R)
• M73: 42,695,831 km (0.076 R)
• M74: 43,270,735 km (0.117 R)
• M75: 43,353,164 km (0.043 R)
• M76: 44,262,270 km (0.075 R)
• M77: 44,677,554 km (0.111 R)
• M78: 46,351,703 km (0.108 R)
• M79: 46,857,943 km (0.104 R)
• M80: 47,281,305 km (0.094 R)
• M81: 48,729,861 km (0.12 R)
• M82: 52,722,030 km (0.084 R)
• M83: 54,135,131 km (0.044 R)
• M84: 55,024,490 km (0.101 R)
• M85: 55,202,961 km (0.086 R)
• M86: 55,471,040 km (0.052 R)
• M87: 55,918,786 km (0.115 R)
• M88: 56,277,821 km (0.116 R)
• M89: 56,367,730 km (0.045 R)
• M90: 57,812,396 km (0.096 R)
• M91: 58,812,608 km (0.074 R)
• M92: 61,106,990 km (0.115 R)
• M93: 61,940,250 km (0.115 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 20,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit