🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96

Radius: 12

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.66 AU - 1.04 AU

Year: 541 Days

Day: 13.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,313,958 km

• M1: 156,779 km (0.12 R)
• M2: 303,684 km (0.105 R)
• M3: 422,913 km (0.096 R)
• M4: 508,483 km (0.109 R)
• M5: 775,515 km (0.035 R)
• M6: 951,592 km (0.109 R)
• M7: 1,031,926 km (0.084 R)
• M8: 1,117,945 km (0.106 R)
• M9: 1,203,365 km (0.078 R)
• M10: 1,298,061 km (0.088 R)
• M11: 1,499,419 km (0.099 R)
• M12: 1,613,712 km (0.12 R)
• M13: 1,719,179 km (0.088 R)
• M14: 1,879,697 km (0.061 R)
• M15: 2,028,697 km (0.093 R)
• M16: 2,109,031 km (0.063 R)
• M17: 2,203,427 km (0.112 R)
• M18: 2,356,466 km (0.078 R)
• M19: 2,472,554 km (0.116 R)
• M20: 2,567,698 km (0.119 R)
• M21: 2,664,188 km (0.081 R)
• M22: 2,870,334 km (0.098 R)
• M23: 3,067,205 km (0.068 R)
• M24: 3,243,880 km (0.05 R)
• M25: 3,333,489 km (0.068 R)
• M26: 3,494,756 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.8

Radius: 9.6

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.7 AU - 1.04 AU

Year: 560 Days

Day: 8.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,313,958 km

• M1: 125,812 km (0.118 R)
• M2: 199,713 km (0.09 R)
• M3: 279,898 km (0.093 R)
• M4: 369,058 km (0.097 R)
• M5: 579,542 km (0.11 R)
• M6: 678,277 km (0.104 R)
• M7: 765,792 km (0.111 R)
• M8: 836,102 km (0.111 R)
• M9: 927,208 km (0.094 R)
• M10: 1,002,605 km (0.057 R)
• M11: 1,172,399 km (0.051 R)
• M12: 1,233,883 km (0.116 R)
• M13: 1,309,131 km (0.052 R)
• M14: 1,517,820 km (0.116 R)
• M15: 1,635,404 km (0.114 R)
• M16: 1,695,393 km (0.068 R)
• M17: 1,765,554 km (0.084 R)
• M18: 1,899,295 km (0.086 R)
• M19: 2,071,183 km (0.101 R)
• M20: 2,212,553 km (0.072 R)
• M21: 2,315,476 km (0.062 R)
• M22: 2,404,187 km (0.034 R)
• M23: 2,710,265 km (0.061 R)
• M24: 2,770,852 km (0.049 R)
• M25: 2,831,888 km (0.062 R)
• M26: 2,966,526 km (0.079 R)
• M27: 3,068,851 km (0.052 R)
• M28: 3,353,835 km (0.085 R)
• M29: 3,508,369 km (0.086 R)
• M30: 3,586,609 km (0.057 R)
• M31: 3,647,196 km (0.114 R)
• M32: 3,769,418 km (0.1 R)
• M33: 3,905,402 km (0.026 R)
• M34: 4,125,311 km (0.066 R)
• M35: 4,374,990 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.8

Radius: 8.3

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.01 AU - 2.19 AU

Year: 2101 Days

Day: 10.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 54,313,958 km

• M1: 117,434 km (0.093 R)
• M2: 173,234 km (0.099 R)
• M3: 247,136 km (0.098 R)
• M4: 517,459 km (0.025 R)
• M5: 577,298 km (0.109 R)
• M6: 763,697 km (0.074 R)
• M7: 868,715 km (0.089 R)
• M8: 1,064,688 km (0.113 R)
• M9: 1,123,330 km (0.025 R)
• M10: 1,358,648 km (0.042 R)
• M11: 1,411,905 km (0.053 R)
• M12: 1,487,751 km (0.104 R)
• M13: 1,758,074 km (0.062 R)
• M14: 1,899,295 km (0.108 R)
• M15: 2,093,323 km (0.082 R)
• M16: 2,345,096 km (0.042 R)
• M17: 2,727,468 km (0.067 R)
• M18: 3,171,924 km (0.063 R)
• M19: 3,272,304 km (0.096 R)
• M20: 3,388,242 km (0.115 R)
• M21: 3,446,735 km (0.055 R)
• M22: 3,534,998 km (0.09 R)
• M23: 4,019,096 km (0.101 R)
• M24: 4,253,217 km (0.086 R)
• M25: 4,379,926 km (0.104 R)
• M26: 4,459,812 km (0.071 R)
• M27: 4,637,085 km (0.097 R)
• M28: 4,800,446 km (0.065 R)
• M29: 5,032,173 km (0.107 R)
• M30: 5,115,948 km (0.077 R)
• M31: 5,250,736 km (0.084 R)
• M32: 5,420,978 km (0.118 R)
• M33: 5,506,847 km (0.06 R)
• M34: 5,679,782 km (0.11 R)
• M35: 5,819,507 km (0.112 R)
• M36: 6,191,706 km (0.065 R)
• M37: 6,317,518 km (0.112 R)
• M38: 6,425,977 km (0.094 R)
• M39: 6,663,239 km (0.09 R)
• M40: 7,164,990 km (0.057 R)
• M41: 7,930,782 km (0.077 R)
• M42: 8,087,111 km (0.081 R)
• M43: 8,264,235 km (0.045 R)
• M44: 8,522,142 km (0.08 R)
• M45: 8,722,453 km (0.086 R)
• M46: 8,782,891 km (0.08 R)
• M47: 9,230,039 km (0.118 R)
• M48: 9,518,464 km (0.081 R)
• M49: 9,622,135 km (0.069 R)
• M50: 9,684,667 km (0.119 R)
• M51: 9,935,692 km (0.09 R)
• M52: 10,508,353 km (0.094 R)
• M53: 10,594,072 km (0.063 R)
• M54: 10,939,494 km (0.082 R)
• M55: 11,244,674 km (0.113 R)
• M56: 11,530,555 km (0.107 R)
• M57: 11,619,117 km (0.106 R)
• M58: 11,908,140 km (0.066 R)
• M59: 12,109,648 km (0.082 R)
• M60: 12,675,428 km (0.09 R)
• M61: 13,249,883 km (0.071 R)
• M62: 13,365,672 km (0.082 R)
• M63: 13,435,385 km (0.102 R)
• M64: 13,645,271 km (0.059 R)
• M65: 14,257,575 km (0.063 R)
• M66: 14,376,355 km (0.036 R)
• M67: 14,447,714 km (0.049 R)
• M68: 14,614,814 km (0.077 R)
• M69: 15,047,601 km (0.078 R)
• M70: 15,314,035 km (0.068 R)
• M71: 15,435,658 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.4

Radius: 8.8

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.13 AU - 2.83 AU

Year: 2696 Days

Day: 8.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 54,313,958 km

• M1: 129,103 km (0.107 R)
• M2: 362,326 km (0.105 R)
• M3: 520,301 km (0.109 R)
• M4: 805,435 km (0.096 R)
• M5: 1,082,191 km (0.104 R)
• M6: 1,294,620 km (0.038 R)
• M7: 1,376,300 km (0.098 R)
• M8: 1,459,776 km (0.106 R)
• M9: 1,594,564 km (0.075 R)
• M10: 1,695,243 km (0.098 R)
• M11: 1,876,705 km (0.074 R)
• M12: 2,315,027 km (0.105 R)
• M13: 2,458,641 km (0.074 R)
• M14: 2,679,447 km (0.113 R)
• M15: 3,030,703 km (0.036 R)
• M16: 3,140,508 km (0.107 R)
• M17: 3,219,795 km (0.115 R)
• M18: 3,283,673 km (0.047 R)
• M19: 3,348,000 km (0.081 R)
• M20: 3,412,776 km (0.054 R)
• M21: 3,709,429 km (0.106 R)
• M22: 3,810,258 km (0.065 R)
• M23: 3,963,147 km (0.117 R)
• M24: 4,380,824 km (0.091 R)
• M25: 5,033,520 km (0.082 R)
• M26: 5,276,766 km (0.073 R)
• M27: 5,428,308 km (0.111 R)
• M28: 5,562,198 km (0.071 R)
• M29: 5,774,777 km (0.118 R)
• M30: 5,930,957 km (0.111 R)
• M31: 6,207,863 km (0.1 R)
• M32: 6,267,852 km (0.076 R)
• M33: 6,368,082 km (0.092 R)
• M34: 6,651,570 km (0.06 R)
• M35: 7,126,394 km (0.044 R)
• M36: 7,210,019 km (0.098 R)
• M37: 7,315,186 km (0.057 R)
• M38: 7,526,867 km (0.079 R)
• M39: 7,633,531 km (0.104 R)
• M40: 7,762,185 km (0.111 R)
• M41: 7,978,054 km (0.093 R)
• M42: 8,043,279 km (0.086 R)
• M43: 8,174,177 km (0.091 R)
• M44: 8,861,729 km (0.069 R)
• M45: 8,951,787 km (0.058 R)
• M46: 9,892,608 km (0.102 R)
• M47: 10,220,975 km (0.119 R)
• M48: 10,840,460 km (0.067 R)
• M49: 11,966,034 km (0.113 R)
• M50: 12,040,684 km (0.089 R)
• M51: 12,517,452 km (0.11 R)
• M52: 12,694,726 km (0.097 R)
• M53: 12,796,303 km (0.076 R)
• M54: 13,077,247 km (0.045 R)
• M55: 13,231,184 km (0.078 R)
• M56: 13,775,271 km (0.078 R)
• M57: 13,905,870 km (0.067 R)
• M58: 14,141,936 km (0.108 R)
• M59: 14,273,731 km (0.071 R)
• M60: 14,405,976 km (0.109 R)
• M61: 14,564,998 km (0.051 R)
• M62: 15,180,594 km (0.068 R)
• M63: 15,288,454 km (0.062 R)
• M64: 15,505,071 km (0.093 R)
• M65: 15,831,793 km (0.041 R)
• M66: 15,886,546 km (0.109 R)
• M67: 16,188,434 km (0.085 R)
• M68: 16,464,442 km (0.118 R)
• M69: 16,519,943 km (0.118 R)
• M70: 16,575,444 km (0.114 R)
• M71: 16,686,446 km (0.104 R)
• M72: 17,641,179 km (0.078 R)
• M73: 17,754,574 km (0.104 R)
• M74: 17,982,262 km (0.053 R)
• M75: 18,411,758 km (0.107 R)
• M76: 18,902,589 km (0.041 R)
• M77: 19,691,119 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.6

Radius: 6.5

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.84 AU - 6.62 AU

Year: 10734 Days

Day: 23.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 54,313,958 km

• M1: 82,129 km (0.08 R)
• M2: 238,309 km (0.057 R)
• M3: 319,691 km (0.099 R)
• M4: 399,576 km (0.072 R)
• M5: 594,801 km (0.086 R)
• M6: 651,798 km (0.039 R)
• M7: 1,514,678 km (0.111 R)
• M8: 1,594,414 km (0.11 R)
• M9: 2,145,682 km (0.077 R)
• M10: 2,212,852 km (0.117 R)
• M11: 2,702,934 km (0.043 R)
• M12: 2,824,557 km (0.107 R)
• M13: 3,174,467 km (0.087 R)
• M14: 3,644,653 km (0.118 R)
• M15: 3,915,275 km (0.092 R)
• M16: 3,997,704 km (0.115 R)
• M17: 4,192,331 km (0.086 R)
• M18: 4,276,704 km (0.111 R)
• M19: 4,333,252 km (0.087 R)
• M20: 5,151,403 km (0.082 R)
• M21: 5,272,128 km (0.087 R)
• M22: 5,332,715 km (0.095 R)
• M23: 6,497,484 km (0.116 R)
• M24: 6,792,342 km (0.08 R)
• M25: 7,361,262 km (0.103 R)
• M26: 7,429,180 km (0.088 R)
• M27: 7,565,613 km (0.079 R)
• M28: 7,980,149 km (0.106 R)
• M29: 8,049,861 km (0.049 R)
• M30: 8,190,184 km (0.093 R)
• M31: 9,304,090 km (0.119 R)
• M32: 9,747,947 km (0.11 R)
• M33: 9,934,795 km (0.111 R)
• M34: 10,085,290 km (0.045 R)
• M35: 10,502,967 km (0.115 R)
• M36: 10,694,602 km (0.114 R)
• M37: 10,964,926 km (0.1 R)
• M38: 11,868,945 km (0.112 R)
• M39: 13,165,959 km (0.027 R)
• M40: 13,372,703 km (0.077 R)
• M41: 13,705,708 km (0.077 R)
• M42: 14,167,966 km (0.086 R)
• M43: 15,891,931 km (0.114 R)
• M44: 16,023,877 km (0.07 R)
• M45: 16,067,858 km (0.102 R)
• M46: 16,644,409 km (0.079 R)
• M47: 16,867,908 km (0.086 R)
• M48: 17,047,425 km (0.065 R)
• M49: 17,137,483 km (0.112 R)
• M50: 17,317,898 km (0.096 R)
• M51: 17,453,733 km (0.078 R)
• M52: 18,046,141 km (0.091 R)
• M53: 18,460,228 km (0.066 R)
• M54: 20,052,547 km (0.093 R)
• M55: 21,251,126 km (0.067 R)
• M56: 21,347,915 km (0.077 R)
• M57: 21,445,004 km (0.066 R)
• M58: 22,423,374 km (0.1 R)
• M59: 23,116,910 km (0.083 R)
• M60: 24,322,220 km (0.107 R)
• M61: 24,372,784 km (0.105 R)
• M62: 24,423,498 km (0.092 R)
• M63: 24,677,515 km (0.11 R)
• M64: 25,034,605 km (0.092 R)
• M65: 25,085,768 km (0.117 R)
• M66: 25,239,405 km (0.113 R)
• M67: 26,636,499 km (0.068 R)
• M68: 27,634,467 km (0.039 R)
• M69: 27,793,190 km (0.091 R)
• M70: 28,058,427 km (0.102 R)
• M71: 30,865,781 km (0.065 R)
• M72: 31,526,255 km (0.058 R)
• M73: 31,692,010 km (0.062 R)
• M74: 31,858,213 km (0.101 R)
• M75: 33,310,060 km (0.12 R)
• M76: 33,874,194 km (0.053 R)
• M77: 34,384,622 km (0.076 R)
• M78: 34,726,303 km (0.119 R)
• M79: 34,840,446 km (0.076 R)
• M80: 35,355,811 km (0.071 R)
• M81: 36,104,399 km (0.06 R)
• M82: 37,149,639 km (0.102 R)
• M83: 37,500,297 km (0.095 R)
• M84: 38,913,697 km (0.108 R)
• M85: 39,032,328 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54

Radius: 5.4

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.1 AU - 7.66 AU

Year: 11124 Days

Day: 16.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 54,313,958 km

• M1: 67,917 km (0.101 R)
• M2: 115,938 km (0.109 R)
• M3: 291,267 km (0.116 R)
• M4: 440,117 km (0.09 R)
• M5: 564,882 km (0.109 R)
• M6: 783,743 km (0.09 R)
• M7: 1,609,075 km (0.088 R)
• M8: 1,932,356 km (0.085 R)
• M9: 2,153,910 km (0.032 R)
• M10: 2,430,517 km (0.117 R)
• M11: 2,493,497 km (0.111 R)
• M12: 2,816,778 km (0.11 R)
• M13: 3,000,335 km (0.081 R)
• M14: 3,051,049 km (0.065 R)
• M15: 3,136,170 km (0.058 R)
• M16: 3,326,309 km (0.063 R)
• M17: 3,555,941 km (0.105 R)
• M18: 3,591,695 km (0.093 R)
• M19: 3,772,410 km (0.078 R)
• M20: 3,956,116 km (0.075 R)
• M21: 4,332,354 km (0.051 R)
• M22: 5,179,377 km (0.108 R)
• M23: 5,528,090 km (0.065 R)
• M24: 5,842,096 km (0.107 R)
• M25: 5,926,768 km (0.072 R)
• M26: 5,969,404 km (0.08 R)
• M27: 6,097,460 km (0.106 R)
• M28: 6,248,105 km (0.083 R)
• M29: 6,443,629 km (0.052 R)
• M30: 6,531,293 km (0.116 R)
• M31: 6,685,379 km (0.105 R)
• M32: 6,952,411 km (0.089 R)
• M33: 7,451,171 km (0.105 R)
• M34: 7,589,250 km (0.062 R)
• M35: 7,937,962 km (0.057 R)
• M36: 8,482,798 km (0.116 R)
• M37: 8,554,754 km (0.062 R)
• M38: 8,796,056 km (0.067 R)
• M39: 9,409,257 km (0.113 R)
• M40: 9,508,590 km (0.09 R)
• M41: 9,960,226 km (0.108 R)
• M42: 11,198,149 km (0.119 R)
• M43: 11,541,625 km (0.112 R)
• M44: 11,674,767 km (0.026 R)
• M45: 11,754,802 km (0.116 R)
• M46: 12,023,031 km (0.118 R)
• M47: 12,103,964 km (0.107 R)
• M48: 12,239,200 km (0.053 R)
• M49: 12,402,112 km (0.099 R)
• M50: 13,088,467 km (0.102 R)
• M51: 13,143,968 km (0.086 R)
• M52: 13,478,319 km (0.065 R)
• M53: 14,240,820 km (0.068 R)
• M54: 14,440,682 km (0.11 R)
• M55: 14,901,294 km (0.072 R)
• M56: 15,075,277 km (0.086 R)
• M57: 15,162,492 km (0.108 R)
• M58: 16,014,302 km (0.039 R)
• M59: 16,550,760 km (0.078 R)
• M60: 18,257,223 km (0.119 R)
• M61: 18,599,054 km (0.098 R)
• M62: 19,478,391 km (0.101 R)
• M63: 21,375,292 km (0.09 R)
• M64: 21,440,666 km (0.028 R)
• M65: 21,571,564 km (0.107 R)
• M66: 21,669,850 km (0.112 R)
• M67: 21,735,523 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.3

Radius: 5.1

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.58 AU - 12.48 AU

Year: 21926 Days

Day: 16.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 93.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 54,313,958 km

• M1: 82,578 km (0.103 R)
• M2: 117,734 km (0.081 R)
• M3: 173,234 km (0.103 R)
• M4: 290,818 km (0.076 R)
• M5: 633,996 km (0.056 R)
• M6: 1,025,344 km (0.063 R)
• M7: 1,935,647 km (0.103 R)
• M8: 2,262,369 km (0.093 R)
• M9: 3,121,060 km (0.07 R)
• M10: 3,246,723 km (0.114 R)
• M11: 4,556,452 km (0.106 R)
• M12: 6,047,494 km (0.117 R)
• M13: 6,322,754 km (0.114 R)
• M14: 6,602,053 km (0.114 R)
• M15: 7,338,823 km (0.106 R)
• M16: 7,380,561 km (0.106 R)
• M17: 7,506,073 km (0.065 R)
• M18: 7,674,520 km (0.087 R)
• M19: 8,711,682 km (0.09 R)
• M20: 9,201,466 km (0.096 R)
• M21: 9,291,524 km (0.103 R)
• M22: 9,517,865 km (0.048 R)
• M23: 9,563,343 km (0.057 R)
• M24: 10,161,286 km (0.112 R)
• M25: 10,254,336 km (0.094 R)
• M26: 11,104,650 km (0.084 R)
• M27: 14,201,625 km (0.063 R)
• M28: 14,935,552 km (0.075 R)
• M29: 15,735,452 km (0.117 R)
• M30: 16,167,790 km (0.038 R)
• M31: 16,878,679 km (0.088 R)
• M32: 18,217,580 km (0.11 R)
• M33: 18,557,616 km (0.106 R)
• M34: 18,728,307 km (0.116 R)
• M35: 19,014,189 km (0.114 R)
• M36: 19,243,821 km (0.075 R)
• M37: 20,347,554 km (0.097 R)
• M38: 20,877,430 km (0.048 R)
• M39: 22,676,344 km (0.094 R)
• M40: 23,471,158 km (0.096 R)
• M41: 24,212,864 km (0.116 R)
• M42: 24,899,518 km (0.094 R)
• M43: 28,165,838 km (0.057 R)
• M44: 29,682,312 km (0.076 R)
• M45: 30,416,987 km (0.033 R)
• M46: 31,903,990 km (0.096 R)
• M47: 33,691,834 km (0.047 R)
• M48: 33,830,661 km (0.067 R)
• M49: 34,108,913 km (0.052 R)
• M50: 34,527,787 km (0.07 R)
• M51: 35,723,822 km (0.11 R)
• M52: 40,052,287 km (0.111 R)
• M53: 41,011,658 km (0.08 R)
• M54: 41,085,858 km (0.066 R)
• M55: 41,754,860 km (0.107 R)
• M56: 44,086,792 km (0.103 R)
• M57: 46,151,990 km (0.1 R)
• M58: 46,306,226 km (0.107 R)
• M59: 46,460,611 km (0.071 R)
• M60: 47,390,511 km (0.1 R)
• M61: 49,032,796 km (0.054 R)
• M62: 49,190,173 km (0.094 R)
• M63: 51,331,069 km (0.059 R)
• M64: 51,410,954 km (0.104 R)
• M65: 52,694,653 km (0.081 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: 440 - 12,372 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit