🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.48 AU - 0.54 AU

Year: 239 Days

Day: 16 Hours

Environment

Temp: -115 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.4

Radius: 11.4

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.61 AU - 0.95 AU

Year: 452 Days

Day: 7.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,353,428 km

• M1: 145,708 km (0.105 R)
• M2: 226,491 km (0.1 R)
• M3: 301,141 km (0.115 R)
• M4: 372,349 km (0.055 R)
• M5: 449,990 km (0.058 R)
• M6: 532,568 km (0.049 R)
• M7: 632,799 km (0.114 R)
• M8: 742,604 km (0.088 R)
• M9: 814,112 km (0.104 R)
• M10: 906,413 km (0.094 R)
• M11: 1,010,683 km (0.067 R)
• M12: 1,094,009 km (0.109 R)
• M13: 1,232,387 km (0.108 R)
• M14: 1,319,004 km (0.082 R)
• M15: 1,404,574 km (0.097 R)
• M16: 1,489,097 km (0.075 R)
• M17: 1,572,124 km (0.095 R)
• M18: 1,663,528 km (0.033 R)
• M19: 1,790,387 km (0.111 R)
• M20: 1,875,658 km (0.059 R)
• M21: 1,948,363 km (0.089 R)
• M22: 2,068,191 km (0.09 R)
• M23: 2,194,302 km (0.114 R)
• M24: 2,267,455 km (0.109 R)
• M25: 2,412,714 km (0.049 R)
• M26: 2,538,077 km (0.078 R)
• M27: 2,630,529 km (0.102 R)
• M28: 2,755,742 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.4

Radius: 11.9

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.61 AU - 0.97 AU

Year: 461 Days

Day: 5.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 36,353,428 km

• M1: 172,786 km (0.078 R)
• M2: 261,198 km (0.076 R)
• M3: 394,789 km (0.115 R)
• M4: 505,042 km (0.089 R)
• M5: 790,176 km (0.1 R)
• M6: 879,336 km (0.116 R)
• M7: 1,007,242 km (0.094 R)
• M8: 1,384,379 km (0.07 R)
• M9: 1,476,830 km (0.088 R)
• M10: 1,559,408 km (0.05 R)
• M11: 1,692,700 km (0.07 R)
• M12: 1,773,333 km (0.098 R)
• M13: 1,848,880 km (0.106 R)
• M14: 2,003,415 km (0.117 R)
• M15: 2,135,659 km (0.097 R)
• M16: 2,223,174 km (0.086 R)
• M17: 2,471,955 km (0.069 R)
• M18: 2,650,276 km (0.106 R)
• M19: 2,773,993 km (0.045 R)
• M20: 2,869,886 km (0.095 R)
• M21: 2,959,495 km (0.12 R)
• M22: 3,057,631 km (0.038 R)
• M23: 3,141,555 km (0.057 R)
• M24: 3,241,636 km (0.112 R)
• M25: 3,327,206 km (0.098 R)
• M26: 3,461,096 km (0.076 R)
• M27: 3,556,689 km (0.079 R)
• M28: 3,661,258 km (0.106 R)
• M29: 3,758,647 km (0.038 R)
• M30: 3,939,510 km (0.073 R)
• M31: 4,148,648 km (0.115 R)
• M32: 4,241,848 km (0.112 R)
• M33: 4,335,795 km (0.041 R)
• M34: 4,439,018 km (0.037 R)
• M35: 4,700,814 km (0.119 R)
• M36: 4,860,435 km (0.116 R)
• M37: 5,048,779 km (0.105 R)
• M38: 5,203,164 km (0.105 R)
• M39: 5,405,270 km (0.115 R)
• M40: 5,572,521 km (0.057 R)
• M41: 5,921,832 km (0.049 R)
• M42: 6,142,638 km (0.115 R)
• M43: 6,346,540 km (0.047 R)
• M44: 6,781,122 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.3

Radius: 12.6

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.13 AU - 1.59 AU

Year: 1040 Days

Day: 10.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,353,428 km

• M1: 161,715 km (0.082 R)
• M2: 242,498 km (0.096 R)
• M3: 394,639 km (0.116 R)
• M4: 486,791 km (0.07 R)
• M5: 591,061 km (0.113 R)
• M6: 701,614 km (0.04 R)
• M7: 804,089 km (0.082 R)
• M8: 912,248 km (0.113 R)
• M9: 990,936 km (0.097 R)
• M10: 1,365,679 km (0.087 R)
• M11: 1,473,389 km (0.099 R)
• M12: 1,605,036 km (0.047 R)
• M13: 1,723,517 km (0.114 R)
• M14: 1,969,755 km (0.093 R)
• M15: 2,162,138 km (0.042 R)
• M16: 2,265,361 km (0.118 R)
• M17: 2,447,870 km (0.101 R)
• M18: 2,560,667 km (0.106 R)
• M19: 2,705,627 km (0.068 R)
• M20: 2,967,124 km (0.116 R)
• M21: 3,146,193 km (0.087 R)
• M22: 3,280,083 km (0.083 R)
• M23: 3,744,285 km (0.078 R)
• M24: 3,880,868 km (0.098 R)
• M25: 3,978,555 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.7

Radius: 11.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.16 AU - 1.62 AU

Year: 1075 Days

Day: 8.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 36,353,428 km

• M1: 150,495 km (0.105 R)
• M2: 232,176 km (0.058 R)
• M3: 304,132 km (0.071 R)
• M4: 401,820 km (0.043 R)
• M5: 474,973 km (0.103 R)
• M6: 605,722 km (0.074 R)
• M7: 687,402 km (0.096 R)
• M8: 761,752 km (0.107 R)
• M9: 1,022,202 km (0.096 R)
• M10: 1,233,135 km (0.055 R)
• M11: 1,473,539 km (0.111 R)
• M12: 1,549,535 km (0.037 R)
• M13: 1,650,364 km (0.089 R)
• M14: 1,916,349 km (0.119 R)
• M15: 1,999,824 km (0.091 R)
• M16: 2,093,024 km (0.103 R)
• M17: 2,213,899 km (0.078 R)
• M18: 2,544,660 km (0.036 R)
• M19: 2,646,087 km (0.074 R)
• M20: 2,814,983 km (0.098 R)
• M21: 2,910,427 km (0.102 R)
• M22: 3,075,283 km (0.088 R)
• M23: 3,424,295 km (0.09 R)
• M24: 3,754,757 km (0.096 R)
• M25: 3,838,981 km (0.075 R)
• M26: 4,052,457 km (0.064 R)
• M27: 4,182,308 km (0.113 R)
• M28: 4,357,786 km (0.097 R)
• M29: 4,670,745 km (0.119 R)
• M30: 4,818,547 km (0.058 R)
• M31: 5,165,614 km (0.057 R)
• M32: 5,236,075 km (0.089 R)
• M33: 5,508,942 km (0.073 R)
• M34: 5,798,713 km (0.118 R)
• M35: 5,884,283 km (0.089 R)
• M36: 6,007,102 km (0.077 R)
• M37: 6,081,153 km (0.11 R)
• M38: 6,507,059 km (0.088 R)
• M39: 6,634,067 km (0.093 R)
• M40: 6,749,258 km (0.116 R)
• M41: 6,981,433 km (0.113 R)
• M42: 7,190,122 km (0.108 R)
• M43: 7,321,619 km (0.065 R)
• M44: 7,761,138 km (0.099 R)
• M45: 7,855,384 km (0.111 R)
• M46: 8,154,430 km (0.095 R)
• M47: 8,484,892 km (0.108 R)
• M48: 8,735,768 km (0.1 R)
• M49: 8,819,842 km (0.116 R)
• M50: 8,904,215 km (0.11 R)
• M51: 9,017,311 km (0.119 R)
• M52: 9,130,706 km (0.119 R)
• M53: 9,258,911 km (0.105 R)
• M54: 9,734,184 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.7

Radius: 8.2

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.29 AU - 1.91 AU

Year: 1328 Days

Day: 10.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 36,353,428 km

• M1: 131,497 km (0.045 R)
• M2: 187,895 km (0.059 R)
• M3: 334,351 km (0.09 R)
• M4: 526,884 km (0.087 R)
• M5: 602,131 km (0.074 R)
• M6: 700,567 km (0.083 R)
• M7: 820,096 km (0.036 R)
• M8: 877,242 km (0.114 R)
• M9: 995,873 km (0.105 R)
• M10: 1,062,893 km (0.094 R)
• M11: 1,114,205 km (0.077 R)
• M12: 1,421,180 km (0.071 R)
• M13: 1,510,041 km (0.1 R)
• M14: 1,561,802 km (0.059 R)
• M15: 1,633,758 km (0.094 R)
• M16: 1,733,989 km (0.085 R)
• M17: 1,863,690 km (0.083 R)
• M18: 1,982,621 km (0.079 R)
• M19: 2,089,733 km (0.097 R)
• M20: 2,257,581 km (0.069 R)
• M21: 2,339,412 km (0.038 R)
• M22: 2,498,584 km (0.085 R)
• M23: 2,724,327 km (0.11 R)
• M24: 2,859,713 km (0.109 R)
• M25: 2,932,417 km (0.041 R)
• M26: 3,038,333 km (0.028 R)
• M27: 3,355,480 km (0.086 R)
• M28: 3,457,805 km (0.104 R)
• M29: 3,735,908 km (0.076 R)
• M30: 3,797,841 km (0.116 R)
• M31: 4,057,543 km (0.115 R)
• M32: 4,111,997 km (0.098 R)
• M33: 4,194,276 km (0.063 R)
• M34: 4,434,679 km (0.12 R)
• M35: 4,547,177 km (0.084 R)
• M36: 4,708,294 km (0.086 R)
• M37: 4,861,632 km (0.118 R)
• M38: 5,036,063 km (0.118 R)
• M39: 5,114,302 km (0.106 R)
• M40: 5,371,312 km (0.099 R)
• M41: 5,521,508 km (0.093 R)
• M42: 5,632,659 km (0.114 R)
• M43: 5,693,545 km (0.108 R)
• M44: 5,826,089 km (0.092 R)
• M45: 5,990,946 km (0.074 R)
• M46: 6,209,359 km (0.095 R)
• M47: 6,314,377 km (0.085 R)
• M48: 6,451,857 km (0.068 R)
• M49: 6,654,412 km (0.075 R)
• M50: 6,815,829 km (0.092 R)
• M51: 7,000,283 km (0.105 R)
• M52: 7,109,639 km (0.101 R)
• M53: 7,219,593 km (0.107 R)
• M54: 7,363,357 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.9

Radius: 11.3

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.56 AU - 1.94 AU

Year: 1519 Days

Day: 6.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 36,353,428 km

• M1: 144,212 km (0.099 R)
• M2: 233,073 km (0.104 R)
• M3: 315,652 km (0.085 R)
• M4: 402,418 km (0.1 R)
• M5: 593,604 km (0.104 R)
• M6: 746,793 km (0.117 R)
• M7: 824,883 km (0.115 R)
• M8: 990,039 km (0.097 R)
• M9: 1,166,714 km (0.083 R)
• M10: 1,461,571 km (0.117 R)
• M11: 1,602,642 km (0.115 R)
• M12: 1,975,589 km (0.073 R)
• M13: 2,098,559 km (0.084 R)
• M14: 2,305,453 km (0.107 R)
• M15: 2,387,732 km (0.11 R)
• M16: 2,483,025 km (0.095 R)
• M17: 2,616,168 km (0.109 R)
• M18: 2,789,103 km (0.101 R)
• M19: 2,877,066 km (0.043 R)
• M20: 3,029,955 km (0.091 R)
• M21: 3,451,073 km (0.076 R)
• M22: 3,532,155 km (0.119 R)
• M23: 3,627,599 km (0.113 R)
• M24: 3,989,626 km (0.048 R)
• M25: 4,189,339 km (0.098 R)
• M26: 4,305,128 km (0.107 R)
• M27: 4,495,416 km (0.072 R)
• M28: 4,673,437 km (0.038 R)
• M29: 4,778,455 km (0.12 R)
• M30: 5,206,455 km (0.066 R)
• M31: 5,284,246 km (0.116 R)
• M32: 5,425,167 km (0.056 R)
• M33: 5,519,713 km (0.092 R)
• M34: 5,615,006 km (0.111 R)
• M35: 5,694,742 km (0.111 R)
• M36: 6,033,881 km (0.099 R)
• M37: 6,446,322 km (0.118 R)
• M38: 6,833,930 km (0.048 R)
• M39: 7,004,771 km (0.111 R)
• M40: 7,473,311 km (0.097 R)
• M41: 7,561,125 km (0.116 R)
• M42: 7,826,961 km (0.098 R)
• M43: 8,313,004 km (0.113 R)
• M44: 8,422,360 km (0.071 R)
• M45: 8,716,470 km (0.116 R)
• M46: 9,032,570 km (0.102 R)
• M47: 9,580,547 km (0.089 R)
• M48: 9,984,012 km (0.116 R)
• M49: 10,688,917 km (0.083 R)
• M50: 10,827,744 km (0.115 R)
• M51: 10,987,365 km (0.073 R)
• M52: 11,107,492 km (0.111 R)
• M53: 11,674,019 km (0.086 R)
• M54: 11,837,530 km (0.075 R)
• M55: 12,291,410 km (0.074 R)
• M56: 12,416,174 km (0.089 R)
• M57: 12,729,881 km (0.104 R)
• M58: 13,003,945 km (0.097 R)
• M59: 13,173,588 km (0.117 R)
• M60: 13,450,793 km (0.082 R)
• M61: 14,821,409 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.3

Radius: 8.8

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.99 AU - 3.21 AU

Year: 3581 Days

Day: 11.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 36,353,428 km

• M1: 135,087 km (0.09 R)
• M2: 197,170 km (0.105 R)
• M3: 293,810 km (0.101 R)
• M4: 419,622 km (0.057 R)
• M5: 822,339 km (0.047 R)
• M6: 953,088 km (0.041 R)
• M7: 1,079,199 km (0.101 R)
• M8: 1,247,945 km (0.116 R)
• M9: 1,625,082 km (0.051 R)
• M10: 1,707,510 km (0.073 R)
• M11: 1,919,789 km (0.109 R)
• M12: 2,495,442 km (0.095 R)
• M13: 2,687,975 km (0.11 R)
• M14: 3,019,783 km (0.065 R)
• M15: 3,242,534 km (0.061 R)
• M16: 3,329,600 km (0.098 R)
• M17: 3,524,077 km (0.117 R)
• M18: 3,685,942 km (0.079 R)
• M19: 3,776,897 km (0.12 R)
• M20: 4,129,500 km (0.117 R)
• M21: 5,601,842 km (0.11 R)
• M22: 5,748,747 km (0.114 R)
• M23: 5,833,419 km (0.065 R)
• M24: 6,025,204 km (0.056 R)
• M25: 6,089,681 km (0.038 R)
• M26: 6,349,682 km (0.046 R)
• M27: 6,525,010 km (0.118 R)
• M28: 6,992,952 km (0.079 R)
• M29: 7,541,079 km (0.106 R)
• M30: 7,657,017 km (0.07 R)
• M31: 7,867,202 km (0.078 R)
• M32: 8,269,471 km (0.097 R)
• M33: 8,557,447 km (0.065 R)
• M34: 8,971,085 km (0.064 R)
• M35: 9,591,168 km (0.101 R)
• M36: 10,097,258 km (0.086 R)
• M37: 10,302,057 km (0.12 R)
• M38: 11,373,627 km (0.032 R)
• M39: 11,533,397 km (0.074 R)
• M40: 12,425,450 km (0.086 R)
• M41: 12,480,202 km (0.112 R)
• M42: 13,564,338 km (0.069 R)
• M43: 13,677,285 km (0.085 R)
• M44: 13,818,954 km (0.092 R)
• M45: 13,960,922 km (0.069 R)
• M46: 14,418,841 km (0.036 R)
• M47: 15,261,227 km (0.075 R)
• M48: 15,496,544 km (0.074 R)
• M49: 16,569,759 km (0.07 R)
• M50: 16,690,485 km (0.06 R)
• M51: 16,963,202 km (0.107 R)
• M52: 17,421,121 km (0.078 R)
• M53: 17,666,910 km (0.071 R)
• M54: 18,411,309 km (0.067 R)
• M55: 19,388,034 km (0.052 R)
• M56: 19,579,070 km (0.098 R)
• M57: 20,091,293 km (0.101 R)
• M58: 20,187,933 km (0.118 R)
• M59: 20,478,453 km (0.119 R)
• M60: 20,835,543 km (0.095 R)
• M61: 20,998,604 km (0.12 R)
• M62: 21,490,033 km (0.106 R)
• M63: 21,819,897 km (0.102 R)
• M64: 21,952,141 km (0.049 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.1

Radius: 14.5

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.3 AU - 5.72 AU

Year: 8485 Days

Day: 7.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 36,353,428 km

• M1: 189,541 km (0.085 R)
• M2: 502,798 km (0.112 R)
• M3: 938,278 km (0.102 R)
• M4: 1,446,462 km (0.056 R)
• M5: 1,609,523 km (0.12 R)
• M6: 1,779,018 km (0.084 R)
• M7: 1,994,588 km (0.084 R)
• M8: 2,473,750 km (0.062 R)
• M9: 2,582,807 km (0.118 R)
• M10: 3,035,341 km (0.038 R)
• M11: 3,152,476 km (0.116 R)
• M12: 3,913,032 km (0.12 R)
• M13: 4,486,739 km (0.09 R)
• M14: 4,674,933 km (0.109 R)
• M15: 5,003,600 km (0.079 R)
• M16: 5,198,975 km (0.08 R)
• M17: 5,311,772 km (0.076 R)
• M18: 6,913,366 km (0.087 R)
• M19: 7,606,304 km (0.069 R)
• M20: 7,896,224 km (0.05 R)
• M21: 8,157,123 km (0.064 R)
• M22: 8,520,347 km (0.116 R)
• M23: 8,620,428 km (0.092 R)
• M24: 9,092,259 km (0.07 R)
• M25: 9,538,211 km (0.064 R)
• M26: 10,026,348 km (0.116 R)
• M27: 10,666,029 km (0.059 R)
• M28: 10,809,942 km (0.088 R)
• M29: 10,990,806 km (0.079 R)
• M30: 11,355,675 km (0.07 R)
• M31: 11,502,730 km (0.099 R)
• M32: 11,650,383 km (0.08 R)
• M33: 11,985,033 km (0.061 R)
• M34: 12,134,781 km (0.073 R)
• M35: 12,436,071 km (0.066 R)
• M36: 12,625,761 km (0.071 R)
• M37: 12,778,052 km (0.066 R)
• M38: 13,355,051 km (0.112 R)
• M39: 13,901,233 km (0.051 R)
• M40: 14,177,091 km (0.102 R)
• M41: 15,015,587 km (0.111 R)
• M42: 15,177,153 km (0.111 R)
• M43: 15,501,930 km (0.047 R)
• M44: 16,241,242 km (0.088 R)
• M45: 17,925,116 km (0.112 R)
• M46: 18,182,574 km (0.079 R)
• M47: 18,397,995 km (0.074 R)
• M48: 18,527,547 km (0.045 R)
• M49: 18,918,446 km (0.077 R)
• M50: 19,443,834 km (0.085 R)
• M51: 21,048,570 km (0.077 R)
• M52: 21,592,957 km (0.059 R)
• M53: 22,279,910 km (0.063 R)
• M54: 22,510,590 km (0.074 R)
• M55: 23,769,456 km (0.045 R)
• M56: 24,146,892 km (0.075 R)
• M57: 24,907,746 km (0.055 R)
• M58: 25,242,995 km (0.087 R)
• M59: 25,387,207 km (0.101 R)
• M60: 25,579,890 km (0.083 R)
• M61: 25,773,020 km (0.102 R)
• M62: 26,991,196 km (0.104 R)
• M63: 28,928,937 km (0.067 R)
• M64: 31,065,494 km (0.103 R)
• M65: 31,996,591 km (0.072 R)
• M66: 32,100,711 km (0.081 R)
• M67: 32,256,891 km (0.097 R)
• M68: 32,570,149 km (0.068 R)
• M69: 32,674,868 km (0.072 R)
• M70: 33,147,148 km (0.091 R)
• M71: 33,305,124 km (0.06 R)
• M72: 34,951,897 km (0.092 R)
• M73: 35,381,093 km (0.051 R)
• M74: 36,082,408 km (0.086 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 18,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit