🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.3

Radius: 13.8

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.57 AU - 0.83 AU

Year: 384 Days

Day: 11 Hours

Environment

Temp: -143 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,953,832 km

• M1: 173,384 km (0.054 R)
• M2: 262,843 km (0.105 R)
• M3: 356,941 km (0.115 R)
• M4: 453,730 km (0.062 R)
• M5: 545,434 km (0.115 R)
• M6: 714,180 km (0.09 R)
• M7: 821,442 km (0.106 R)
• M8: 912,846 km (0.068 R)
• M9: 1,002,755 km (0.093 R)
• M10: 1,096,104 km (0.102 R)
• M11: 1,207,853 km (0.116 R)
• M12: 1,347,578 km (0.098 R)
• M13: 1,458,130 km (0.096 R)
• M14: 1,544,748 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.4

Radius: 11.3

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.7 AU - 0.92 AU

Year: 478 Days

Day: 13.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 78,953,832 km

• M1: 141,071 km (0.11 R)
• M2: 211,831 km (0.092 R)
• M3: 290,369 km (0.072 R)
• M4: 411,095 km (0.067 R)
• M5: 578,944 km (0.051 R)
• M6: 690,394 km (0.118 R)
• M7: 788,830 km (0.103 R)
• M8: 910,153 km (0.094 R)
• M9: 1,038,209 km (0.037 R)
• M10: 1,128,866 km (0.096 R)
• M11: 1,252,433 km (0.077 R)
• M12: 1,323,642 km (0.073 R)
• M13: 1,470,697 km (0.113 R)
• M14: 1,584,541 km (0.119 R)
• M15: 1,701,526 km (0.081 R)
• M16: 1,781,112 km (0.088 R)
• M17: 1,914,853 km (0.081 R)
• M18: 1,991,896 km (0.098 R)
• M19: 2,076,119 km (0.088 R)
• M20: 2,186,373 km (0.052 R)
• M21: 2,304,705 km (0.1 R)
• M22: 2,399,849 km (0.115 R)
• M23: 2,587,445 km (0.03 R)
• M24: 2,712,957 km (0.07 R)
• M25: 2,800,023 km (0.064 R)
• M26: 3,137,067 km (0.115 R)
• M27: 3,207,378 km (0.069 R)
• M28: 3,285,468 km (0.087 R)
• M29: 3,356,976 km (0.051 R)
• M30: 3,443,593 km (0.119 R)
• M31: 3,626,252 km (0.112 R)
• M32: 3,700,303 km (0.111 R)
• M33: 3,819,682 km (0.036 R)
• M34: 3,902,709 km (0.102 R)
• M35: 4,232,573 km (0.082 R)
• M36: 4,349,857 km (0.109 R)
• M37: 4,452,332 km (0.12 R)
• M38: 4,635,739 km (0.066 R)
• M39: 4,878,686 km (0.117 R)
• M40: 5,076,005 km (0.048 R)
• M41: 5,175,787 km (0.101 R)
• M42: 5,377,146 km (0.116 R)
• M43: 5,478,723 km (0.069 R)
• M44: 5,710,001 km (0.072 R)
• M45: 5,909,415 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.8

Radius: 10.9

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.97 AU - 0.99 AU

Year: 636 Days

Day: 14 Hours

Environment

Temp: -167 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,953,832 km

• M1: 148,700 km (0.042 R)
• M2: 226,641 km (0.071 R)
• M3: 329,564 km (0.094 R)
• M4: 584,479 km (0.106 R)
• M5: 714,330 km (0.113 R)
• M6: 794,664 km (0.096 R)
• M7: 936,034 km (0.117 R)
• M8: 1,015,022 km (0.08 R)
• M9: 1,321,398 km (0.1 R)
• M10: 1,439,580 km (0.096 R)
• M11: 1,591,123 km (0.041 R)
• M12: 1,760,468 km (0.041 R)
• M13: 1,948,512 km (0.076 R)
• M14: 2,019,122 km (0.112 R)
• M15: 2,303,957 km (0.053 R)
• M16: 2,406,282 km (0.079 R)
• M17: 2,524,314 km (0.069 R)
• M18: 2,594,625 km (0.065 R)
• M19: 2,708,619 km (0.056 R)
• M20: 3,067,953 km (0.057 R)
• M21: 3,158,310 km (0.104 R)
• M22: 3,466,183 km (0.08 R)
• M23: 3,607,852 km (0.09 R)
• M24: 3,679,509 km (0.108 R)
• M25: 3,832,099 km (0.083 R)
• M26: 3,995,310 km (0.112 R)
• M27: 4,127,405 km (0.098 R)
• M28: 4,319,938 km (0.025 R)
• M29: 4,430,042 km (0.056 R)
• M30: 4,627,212 km (0.077 R)
• M31: 4,766,188 km (0.119 R)
• M32: 4,836,200 km (0.117 R)
• M33: 4,924,164 km (0.077 R)
• M34: 5,074,958 km (0.082 R)
• M35: 5,335,707 km (0.064 R)
• M36: 5,490,691 km (0.102 R)
• M37: 6,021,165 km (0.107 R)
• M38: 6,259,025 km (0.115 R)
• M39: 6,364,641 km (0.087 R)
• M40: 6,568,095 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.1

Radius: 10.1

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.97 AU - 1.55 AU

Year: 928 Days

Day: 8.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 78,953,832 km

• M1: 140,921 km (0.046 R)
• M2: 229,034 km (0.025 R)
• M3: 310,565 km (0.089 R)
• M4: 402,867 km (0.099 R)
• M5: 490,083 km (0.092 R)
• M6: 593,904 km (0.077 R)
• M7: 745,147 km (0.093 R)
• M8: 831,016 km (0.095 R)
• M9: 963,859 km (0.096 R)
• M10: 1,133,054 km (0.114 R)
• M11: 1,245,552 km (0.108 R)
• M12: 1,553,125 km (0.064 R)
• M13: 1,658,891 km (0.105 R)
• M14: 1,822,102 km (0.098 R)
• M15: 1,912,758 km (0.102 R)
• M16: 2,062,655 km (0.081 R)
• M17: 2,231,103 km (0.094 R)
• M18: 2,313,381 km (0.058 R)
• M19: 2,389,078 km (0.115 R)
• M20: 2,558,722 km (0.087 R)
• M21: 2,652,819 km (0.09 R)
• M22: 2,756,191 km (0.114 R)
• M23: 3,166,389 km (0.1 R)
• M24: 3,396,021 km (0.116 R)
• M25: 3,534,698 km (0.038 R)
• M26: 3,755,056 km (0.085 R)
• M27: 3,835,540 km (0.06 R)
• M28: 3,925,747 km (0.082 R)
• M29: 4,481,354 km (0.081 R)
• M30: 4,576,348 km (0.035 R)
• M31: 4,739,410 km (0.09 R)
• M32: 4,904,566 km (0.064 R)
• M33: 5,111,011 km (0.097 R)
• M34: 5,190,597 km (0.095 R)
• M35: 5,300,402 km (0.032 R)
• M36: 5,573,568 km (0.088 R)
• M37: 5,768,494 km (0.116 R)
• M38: 5,945,019 km (0.107 R)
• M39: 6,335,021 km (0.041 R)
• M40: 6,549,395 km (0.098 R)
• M41: 6,646,633 km (0.086 R)
• M42: 6,788,003 km (0.093 R)
• M43: 6,853,527 km (0.101 R)
• M44: 6,996,393 km (0.04 R)
• M45: 7,173,517 km (0.093 R)
• M46: 7,273,748 km (0.08 R)
• M47: 7,408,236 km (0.118 R)
• M48: 7,543,473 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.4

Radius: 12.8

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.32 AU - 1.72 AU

Year: 1229 Days

Day: 12.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 78,953,832 km

• M1: 198,068 km (0.09 R)
• M2: 280,496 km (0.085 R)
• M3: 403,765 km (0.07 R)
• M4: 535,710 km (0.047 R)
• M5: 623,674 km (0.102 R)
• M6: 710,889 km (0.106 R)
• M7: 971,937 km (0.106 R)
• M8: 1,122,283 km (0.064 R)
• M9: 1,541,905 km (0.088 R)
• M10: 1,747,154 km (0.106 R)
• M11: 1,830,031 km (0.086 R)
• M12: 1,971,102 km (0.094 R)
• M13: 2,234,693 km (0.073 R)
• M14: 2,396,259 km (0.118 R)
• M15: 2,520,126 km (0.11 R)
• M16: 2,688,872 km (0.096 R)
• M17: 2,893,971 km (0.054 R)
• M18: 3,194,663 km (0.041 R)
• M19: 3,400,808 km (0.103 R)
• M20: 3,766,126 km (0.115 R)
• M21: 3,923,204 km (0.058 R)
• M22: 4,082,526 km (0.114 R)
• M23: 4,269,074 km (0.063 R)
• M24: 4,357,038 km (0.09 R)
• M25: 4,509,329 km (0.071 R)
• M26: 4,599,087 km (0.107 R)
• M27: 4,977,121 km (0.108 R)
• M28: 5,243,705 km (0.104 R)
• M29: 5,378,791 km (0.079 R)
• M30: 5,611,267 km (0.083 R)
• M31: 5,860,945 km (0.026 R)
• M32: 6,029,393 km (0.094 R)
• M33: 6,428,968 km (0.073 R)
• M34: 6,588,290 km (0.097 R)
• M35: 6,866,542 km (0.103 R)
• M36: 7,044,414 km (0.071 R)
• M37: 7,148,833 km (0.11 R)
• M38: 7,283,920 km (0.062 R)
• M39: 7,419,755 km (0.092 R)
• M40: 7,587,006 km (0.078 R)
• M41: 7,740,194 km (0.086 R)
• M42: 7,848,054 km (0.116 R)
• M43: 7,940,805 km (0.116 R)
• M44: 8,284,281 km (0.038 R)
• M45: 8,856,942 km (0.03 R)
• M46: 9,066,977 km (0.102 R)
• M47: 9,164,515 km (0.08 R)
• M48: 9,557,808 km (0.12 R)
• M49: 9,923,425 km (0.088 R)
• M50: 10,023,805 km (0.046 R)
• M51: 10,395,257 km (0.102 R)
• M52: 11,030,001 km (0.092 R)
• M53: 11,134,121 km (0.093 R)
• M54: 11,836,782 km (0.052 R)
• M55: 11,925,643 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.6

Radius: 13.3

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.27 AU - 1.89 AU

Year: 1303 Days

Day: 9.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 78,953,832 km

• M1: 171,290 km (0.114 R)
• M2: 296,204 km (0.099 R)
• M3: 457,769 km (0.119 R)
• M4: 646,412 km (0.056 R)
• M5: 826,827 km (0.117 R)
• M6: 927,208 km (0.112 R)
• M7: 1,072,766 km (0.113 R)
• M8: 1,248,095 km (0.064 R)
• M9: 1,350,719 km (0.1 R)
• M10: 1,479,373 km (0.04 R)
• M11: 1,766,152 km (0.098 R)
• M12: 1,882,540 km (0.085 R)
• M13: 2,045,003 km (0.042 R)
• M14: 2,212,253 km (0.078 R)
• M15: 2,356,615 km (0.085 R)
• M16: 2,532,393 km (0.068 R)
• M17: 2,664,787 km (0.071 R)
• M18: 2,751,105 km (0.039 R)
• M19: 2,916,859 km (0.087 R)
• M20: 3,086,054 km (0.049 R)
• M21: 3,207,378 km (0.027 R)
• M22: 3,309,853 km (0.109 R)
• M23: 3,560,130 km (0.106 R)
• M24: 3,709,130 km (0.078 R)
• M25: 3,816,840 km (0.052 R)
• M26: 3,936,518 km (0.058 R)
• M27: 4,035,403 km (0.056 R)
• M28: 4,124,114 km (0.119 R)
• M29: 4,531,020 km (0.115 R)
• M30: 4,868,513 km (0.113 R)
• M31: 5,081,989 km (0.098 R)
• M32: 5,359,493 km (0.089 R)
• M33: 6,234,491 km (0.096 R)
• M34: 6,376,160 km (0.12 R)
• M35: 6,492,847 km (0.094 R)
• M36: 6,584,101 km (0.112 R)
• M37: 6,675,655 km (0.091 R)
• M38: 6,913,366 km (0.11 R)
• M39: 7,059,972 km (0.068 R)
• M40: 7,153,920 km (0.078 R)
• M41: 7,410,779 km (0.112 R)
• M42: 7,601,965 km (0.103 R)
• M43: 7,698,306 km (0.098 R)
• M44: 7,781,184 km (0.072 R)
• M45: 7,878,123 km (0.111 R)
• M46: 8,031,461 km (0.047 R)
• M47: 8,256,157 km (0.051 R)
• M48: 8,397,676 km (0.11 R)
• M49: 8,511,520 km (0.045 R)
• M50: 8,755,066 km (0.093 R)
• M51: 8,899,428 km (0.085 R)
• M52: 9,351,961 km (0.085 R)
• M53: 9,558,855 km (0.114 R)
• M54: 9,767,245 km (0.104 R)
• M55: 10,097,856 km (0.086 R)
• M56: 10,219,031 km (0.093 R)
• M57: 10,310,136 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.9

Radius: 10.2

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.48 AU - 3.96 AU

Year: 3790 Days

Day: 5.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 78,953,832 km

• M1: 127,308 km (0.116 R)
• M2: 203,304 km (0.079 R)
• M3: 284,086 km (0.078 R)
• M4: 372,200 km (0.107 R)
• M5: 483,800 km (0.091 R)
• M6: 633,547 km (0.1 R)
• M7: 731,534 km (0.045 R)
• M8: 914,342 km (0.098 R)
• M9: 1,019,210 km (0.076 R)
• M10: 1,152,502 km (0.109 R)
• M11: 1,233,584 km (0.114 R)
• M12: 1,308,383 km (0.065 R)
• M13: 1,761,665 km (0.116 R)
• M14: 1,846,636 km (0.114 R)
• M15: 1,942,678 km (0.112 R)
• M16: 2,080,009 km (0.094 R)
• M17: 2,210,608 km (0.087 R)
• M18: 2,302,610 km (0.104 R)
• M19: 2,479,884 km (0.055 R)
• M20: 2,586,398 km (0.109 R)
• M21: 2,651,024 km (0.115 R)
• M22: 3,187,781 km (0.105 R)
• M23: 3,257,194 km (0.044 R)
• M24: 3,588,255 km (0.12 R)
• M25: 3,831,351 km (0.061 R)
• M26: 4,004,735 km (0.105 R)
• M27: 4,079,833 km (0.096 R)
• M28: 4,168,096 km (0.116 R)
• M29: 4,462,654 km (0.099 R)
• M30: 4,566,774 km (0.076 R)
• M31: 4,737,615 km (0.079 R)
• M32: 5,180,873 km (0.095 R)
• M33: 5,276,616 km (0.116 R)
• M34: 5,483,660 km (0.109 R)
• M35: 5,679,483 km (0.083 R)
• M36: 5,806,641 km (0.112 R)
• M37: 5,906,124 km (0.083 R)
• M38: 6,078,012 km (0.107 R)
• M39: 6,280,717 km (0.044 R)
• M40: 6,456,345 km (0.07 R)
• M41: 6,633,469 km (0.062 R)
• M42: 6,812,238 km (0.09 R)
• M43: 6,887,336 km (0.056 R)
• M44: 7,466,131 km (0.107 R)
• M45: 7,621,114 km (0.086 R)
• M46: 7,808,410 km (0.076 R)
• M47: 7,918,365 km (0.108 R)
• M48: 8,028,918 km (0.078 R)
• M49: 8,411,739 km (0.107 R)
• M50: 8,719,162 km (0.091 R)
• M51: 9,261,604 km (0.116 R)
• M52: 9,361,536 km (0.06 R)
• M53: 9,696,934 km (0.102 R)
• M54: 10,413,957 km (0.068 R)
• M55: 10,866,490 km (0.101 R)
• M56: 11,378,863 km (0.038 R)
• M57: 11,790,855 km (0.073 R)
• M58: 12,098,578 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.2

Radius: 6.6

Gravity: 19.72 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 7.93 AU - 10.85 AU

Year: 18876 Days

Day: 19.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 78,953,832 km

• M1: 109,954 km (0.097 R)
• M2: 160,967 km (0.052 R)
• M3: 357,240 km (0.082 R)
• M4: 810,072 km (0.069 R)
• M5: 1,044,492 km (0.112 R)
• M6: 1,241,214 km (0.105 R)
• M7: 1,767,349 km (0.12 R)
• M8: 2,002,218 km (0.062 R)
• M9: 2,959,495 km (0.117 R)
• M10: 3,907,646 km (0.12 R)
• M11: 3,950,880 km (0.119 R)
• M12: 3,994,263 km (0.093 R)
• M13: 4,125,460 km (0.075 R)
• M14: 4,848,617 km (0.113 R)
• M15: 5,272,577 km (0.109 R)
• M16: 5,368,320 km (0.11 R)
• M17: 5,856,158 km (0.079 R)
• M18: 6,614,171 km (0.103 R)
• M19: 6,717,543 km (0.032 R)
• M20: 6,769,453 km (0.113 R)
• M21: 6,821,513 km (0.108 R)
• M22: 7,295,888 km (0.114 R)
• M23: 10,178,639 km (0.094 R)
• M24: 10,358,007 km (0.092 R)
• M25: 10,659,297 km (0.107 R)
• M26: 13,563,889 km (0.076 R)
• M27: 13,629,563 km (0.103 R)
• M28: 15,101,905 km (0.098 R)
• M29: 15,374,921 km (0.076 R)
• M30: 16,764,685 km (0.042 R)
• M31: 16,976,666 km (0.1 R)
• M32: 17,617,692 km (0.088 R)
• M33: 18,923,383 km (0.077 R)
• M34: 19,217,791 km (0.116 R)
• M35: 19,960,395 km (0.109 R)
• M36: 21,168,099 km (0.117 R)
• M37: 21,473,578 km (0.094 R)
• M38: 21,857,745 km (0.086 R)
• M39: 21,934,788 km (0.119 R)
• M40: 23,811,643 km (0.117 R)
• M41: 24,289,009 km (0.035 R)
• M42: 24,849,702 km (0.097 R)
• M43: 25,252,869 km (0.096 R)
• M44: 25,739,510 km (0.049 R)
• M45: 25,820,892 km (0.042 R)
• M46: 25,902,423 km (0.065 R)
• M47: 27,217,986 km (0.112 R)
• M48: 28,808,212 km (0.114 R)
• M49: 29,231,723 km (0.112 R)
• M50: 30,084,730 km (0.066 R)
• M51: 31,032,582 km (0.03 R)
• M52: 31,640,997 km (0.112 R)
• M53: 32,253,151 km (0.094 R)
• M54: 33,489,279 km (0.103 R)
• M55: 34,650,906 km (0.115 R)
• M56: 35,281,910 km (0.073 R)
• M57: 36,189,819 km (0.113 R)
• M58: 37,105,508 km (0.075 R)
• M59: 38,866,125 km (0.106 R)
• M60: 39,240,269 km (0.113 R)
• M61: 39,521,663 km (0.108 R)
• M62: 40,369,733 km (0.105 R)
• M63: 40,843,659 km (0.07 R)
• M64: 41,509,968 km (0.075 R)
• M65: 42,180,017 km (0.074 R)
• M66: 43,530,587 km (0.119 R)
• M67: 43,627,676 km (0.075 R)
• M68: 44,113,869 km (0.111 R)
• M69: 46,968,944 km (0.077 R)
• M70: 48,770,851 km (0.096 R)
• M71: 49,680,256 km (0.088 R)
• M72: 49,781,683 km (0.104 R)
• M73: 50,086,265 km (0.068 R)
• M74: 50,595,197 km (0.029 R)
• M75: 50,799,398 km (0.065 R)
• M76: 52,029,691 km (0.029 R)
• M77: 55,884,379 km (0.052 R)
• M78: 56,623,991 km (0.114 R)
• M79: 57,899,313 km (0.119 R)
• M80: 59,830,023 km (0.101 R)
• M81: 60,261,912 km (0.095 R)
• M82: 60,586,539 km (0.077 R)
• M83: 60,803,307 km (0.096 R)
• M84: 62,875,087 km (0.094 R)
• M85: 64,416,394 km (0.108 R)
• M86: 65,858,817 km (0.112 R)
• M87: 66,639,867 km (0.116 R)
• M88: 66,863,516 km (0.113 R)
• M89: 67,536,258 km (0.083 R)
• M90: 67,648,606 km (0.109 R)
• M91: 68,549,484 km (0.083 R)
• M92: 68,662,281 km (0.102 R)
• M93: 72,077,600 km (0.105 R)
• M94: 74,617,174 km (0.081 R)
• M95: 74,733,262 km (0.108 R)
• M96: 74,849,499 km (0.063 R)
• M97: 76,131,553 km (0.077 R)
• M98: 78,599,170 km (0.055 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 20,254 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit