🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.44 AU - 0.58 AU

Year: 232 Days

Day: 41.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.41 AU - 0.61 AU

Year: 232 Days

Day: 39 Hours

Environment

Temp: -113 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.2

Radius: 9.4

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.81 AU - 1.03 AU

Year: 561 Days

Day: 5.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 61,924,957 km

• M1: 120,277 km (0.118 R)
• M2: 182,958 km (0.104 R)
• M3: 273,016 km (0.04 R)
• M4: 388,655 km (0.102 R)
• M5: 471,682 km (0.093 R)
• M6: 536,308 km (0.089 R)
• M7: 607,667 km (0.101 R)
• M8: 696,827 km (0.116 R)
• M9: 790,774 km (0.098 R)
• M10: 932,294 km (0.117 R)
• M11: 1,004,400 km (0.104 R)
• M12: 1,124,677 km (0.105 R)
• M13: 1,272,031 km (0.061 R)
• M14: 1,370,765 km (0.066 R)
• M15: 1,439,730 km (0.079 R)
• M16: 1,509,891 km (0.096 R)
• M17: 1,586,037 km (0.112 R)
• M18: 1,737,430 km (0.053 R)
• M19: 1,807,292 km (0.108 R)
• M20: 1,878,201 km (0.096 R)
• M21: 1,981,274 km (0.103 R)
• M22: 2,086,142 km (0.076 R)
• M23: 2,203,726 km (0.098 R)
• M24: 2,290,643 km (0.112 R)
• M25: 2,362,150 km (0.102 R)
• M26: 2,462,381 km (0.074 R)
• M27: 2,547,053 km (0.093 R)
• M28: 2,707,871 km (0.114 R)
• M29: 2,783,568 km (0.052 R)
• M30: 3,087,850 km (0.102 R)
• M31: 3,247,022 km (0.112 R)
• M32: 3,510,015 km (0.102 R)
• M33: 3,605,757 km (0.114 R)
• M34: 3,669,935 km (0.092 R)
• M35: 3,812,651 km (0.108 R)
• M36: 3,950,581 km (0.032 R)
• M37: 4,056,945 km (0.058 R)
• M38: 4,130,547 km (0.093 R)
• M39: 4,197,716 km (0.056 R)
• M40: 4,360,778 km (0.12 R)
• M41: 4,436,325 km (0.087 R)
• M42: 4,505,289 km (0.078 R)
• M43: 4,644,266 km (0.098 R)
• M44: 4,721,309 km (0.098 R)
• M45: 4,834,106 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.1

Radius: 10.8

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.76 AU - 1.22 AU

Year: 626 Days

Day: 11.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,924,957 km

• M1: 134,638 km (0.083 R)
• M2: 223,350 km (0.101 R)
• M3: 324,029 km (0.074 R)
• M4: 438,172 km (0.09 R)
• M5: 514,766 km (0.067 R)
• M6: 649,255 km (0.103 R)
• M7: 906,713 km (0.094 R)
• M8: 1,019,061 km (0.063 R)
• M9: 1,093,560 km (0.07 R)
• M10: 1,307,186 km (0.086 R)
• M11: 1,486,704 km (0.092 R)
• M12: 1,572,124 km (0.111 R)
• M13: 1,686,118 km (0.057 R)
• M14: 1,771,538 km (0.054 R)
• M15: 1,846,487 km (0.112 R)
• M16: 2,020,319 km (0.074 R)
• M17: 2,107,236 km (0.107 R)
• M18: 2,216,592 km (0.089 R)
• M19: 2,340,758 km (0.119 R)
• M20: 2,440,988 km (0.107 R)
• M21: 2,600,909 km (0.119 R)
• M22: 2,714,005 km (0.096 R)
• M23: 2,791,945 km (0.114 R)
• M24: 2,987,619 km (0.114 R)
• M25: 3,101,463 km (0.108 R)
• M26: 3,182,994 km (0.107 R)
• M27: 3,255,549 km (0.12 R)
• M28: 3,412,178 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287

Radius: 12.5

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.42 AU - 2.32 AU

Year: 1626 Days

Day: 7.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 61,924,957 km

• M1: 159,172 km (0.118 R)
• M2: 280,346 km (0.119 R)
• M3: 363,074 km (0.112 R)
• M4: 518,805 km (0.106 R)
• M5: 677,678 km (0.087 R)
• M6: 854,802 km (0.078 R)
• M7: 972,985 km (0.115 R)
• M8: 1,161,478 km (0.072 R)
• M9: 1,279,211 km (0.095 R)
• M10: 1,432,250 km (0.087 R)
• M11: 1,567,486 km (0.077 R)
• M12: 1,868,328 km (0.109 R)
• M13: 1,946,418 km (0.105 R)
• M14: 2,079,410 km (0.119 R)
• M15: 2,242,921 km (0.09 R)
• M16: 2,344,947 km (0.079 R)
• M17: 2,789,252 km (0.109 R)
• M18: 2,909,529 km (0.081 R)
• M19: 3,011,256 km (0.105 R)
• M20: 3,207,678 km (0.064 R)
• M21: 3,461,844 km (0.055 R)
• M22: 3,580,625 km (0.107 R)
• M23: 3,778,094 km (0.094 R)
• M24: 4,092,250 km (0.05 R)
• M25: 4,218,062 km (0.117 R)
• M26: 4,333,701 km (0.049 R)
• M27: 4,722,356 km (0.06 R)
• M28: 4,842,483 km (0.045 R)
• M29: 4,939,273 km (0.088 R)
• M30: 5,122,530 km (0.074 R)
• M31: 5,308,181 km (0.087 R)
• M32: 5,407,963 km (0.034 R)
• M33: 5,762,660 km (0.064 R)
• M34: 6,481,328 km (0.113 R)
• M35: 6,588,141 km (0.046 R)
• M36: 6,682,238 km (0.114 R)
• M37: 6,858,015 km (0.099 R)
• M38: 6,980,685 km (0.076 R)
• M39: 7,090,341 km (0.096 R)
• M40: 7,186,831 km (0.04 R)
• M41: 7,576,833 km (0.108 R)
• M42: 7,675,418 km (0.104 R)
• M43: 7,831,299 km (0.115 R)
• M44: 7,930,931 km (0.056 R)
• M45: 8,160,564 km (0.103 R)
• M46: 8,377,630 km (0.08 R)
• M47: 8,523,488 km (0.054 R)
• M48: 8,714,525 km (0.108 R)
• M49: 8,847,517 km (0.063 R)
• M50: 8,951,338 km (0.069 R)
• M51: 9,340,891 km (0.116 R)
• M52: 9,522,652 km (0.106 R)
• M53: 9,674,943 km (0.039 R)
• M54: 9,797,314 km (0.052 R)
• M55: 9,982,068 km (0.073 R)
• M56: 10,090,227 km (0.079 R)
• M57: 10,214,393 km (0.073 R)
• M58: 10,323,450 km (0.05 R)
• M59: 10,495,637 km (0.108 R)
• M60: 10,590,033 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.5

Radius: 3.2

Gravity: 44.19 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.29 AU - 7.79 AU

Year: 10634 Days

Day: 15.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 61,924,957 km

• M1: 50,714 km (0.05 R)
• M2: 76,893 km (0.107 R)
• M3: 104,270 km (0.108 R)
• M4: 349,012 km (0.066 R)
• M5: 374,443 km (0.116 R)
• M6: 413,788 km (0.104 R)
• M7: 810,372 km (0.103 R)
• M8: 879,336 km (0.074 R)
• M9: 986,299 km (0.11 R)
• M10: 1,022,950 km (0.047 R)
• M11: 1,154,896 km (0.049 R)
• M12: 1,312,123 km (0.036 R)
• M13: 1,581,997 km (0.117 R)
• M14: 1,801,158 km (0.085 R)
• M15: 1,891,366 km (0.119 R)
• M16: 1,937,143 km (0.062 R)
• M17: 2,589,390 km (0.026 R)
• M18: 3,005,272 km (0.114 R)
• M19: 3,413,524 km (0.073 R)
• M20: 3,581,822 km (0.108 R)
• M21: 3,695,367 km (0.094 R)
• M22: 3,810,258 km (0.114 R)
• M23: 3,955,517 km (0.044 R)
• M24: 4,014,010 km (0.104 R)
• M25: 4,311,261 km (0.111 R)
• M26: 4,770,377 km (0.064 R)
• M27: 5,084,981 km (0.106 R)
• M28: 5,212,738 km (0.084 R)
• M29: 5,701,025 km (0.071 R)
• M30: 6,237,782 km (0.059 R)
• M31: 6,306,149 km (0.057 R)
• M32: 7,942,450 km (0.093 R)
• M33: 8,053,452 km (0.089 R)
• M34: 8,883,271 km (0.108 R)
• M35: 9,269,533 km (0.073 R)
• M36: 9,779,662 km (0.052 R)
• M37: 9,978,328 km (0.108 R)
• M38: 10,218,432 km (0.117 R)
• M39: 10,258,524 km (0.106 R)
• M40: 10,541,564 km (0.028 R)
• M41: 10,786,006 km (0.117 R)
• M42: 11,197,700 km (0.069 R)
• M43: 11,740,590 km (0.081 R)
• M44: 12,982,103 km (0.027 R)
• M45: 13,507,940 km (0.086 R)
• M46: 13,552,071 km (0.094 R)
• M47: 14,040,807 km (0.077 R)
• M48: 15,172,665 km (0.115 R)
• M49: 16,710,830 km (0.107 R)
• M50: 16,900,670 km (0.104 R)
• M51: 17,043,386 km (0.072 R)
• M52: 17,426,207 km (0.069 R)
• M53: 17,860,340 km (0.073 R)
• M54: 18,346,832 km (0.099 R)
• M55: 18,444,520 km (0.107 R)
• M56: 18,689,860 km (0.107 R)
• M57: 18,936,248 km (0.103 R)
• M58: 19,183,683 km (0.044 R)
• M59: 20,184,044 km (0.104 R)
• M60: 20,589,005 km (0.072 R)
• M61: 20,690,582 km (0.12 R)
• M62: 21,047,672 km (0.113 R)
• M63: 22,810,833 km (0.086 R)
• M64: 23,285,357 km (0.055 R)
• M65: 23,656,659 km (0.055 R)
• M66: 23,709,916 km (0.101 R)
• M67: 23,869,836 km (0.074 R)
• M68: 25,379,129 km (0.106 R)
• M69: 25,925,610 km (0.118 R)
• M70: 26,090,317 km (0.1 R)
• M71: 26,420,779 km (0.088 R)
• M72: 26,752,587 km (0.079 R)
• M73: 27,420,392 km (0.065 R)
• M74: 27,644,191 km (0.054 R)
• M75: 27,868,587 km (0.109 R)
• M76: 29,056,694 km (0.083 R)
• M77: 29,284,980 km (0.077 R)
• M78: 30,319,150 km (0.103 R)
• M79: 30,840,648 km (0.099 R)
• M80: 31,365,138 km (0.108 R)
• M81: 31,716,394 km (0.086 R)
• M82: 32,304,912 km (0.118 R)
• M83: 32,482,036 km (0.092 R)
• M84: 32,837,481 km (0.079 R)
• M85: 33,194,272 km (0.084 R)
• M86: 33,971,432 km (0.086 R)
• M87: 34,633,852 km (0.063 R)
• M88: 36,154,963 km (0.114 R)
• M89: 36,769,511 km (0.114 R)
• M90: 36,831,145 km (0.063 R)
• M91: 37,697,766 km (0.088 R)
• M92: 38,133,694 km (0.108 R)
• M93: 40,975,006 km (0.103 R)
• M94: 41,487,229 km (0.069 R)
• M95: 42,453,333 km (0.117 R)
• M96: 43,491,991 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.2

Radius: 6.7

Gravity: 13.53 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.18 AU - 9.12 AU

Year: 14793 Days

Day: 23.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 61,924,957 km

• M1: 204,201 km (0.076 R)
• M2: 441,164 km (0.101 R)
• M3: 960,718 km (0.083 R)
• M4: 1,049,878 km (0.107 R)
• M5: 1,803,851 km (0.052 R)
• M6: 1,942,828 km (0.118 R)
• M7: 2,028,098 km (0.038 R)
• M8: 2,849,241 km (0.082 R)
• M9: 3,482,339 km (0.107 R)
• M10: 3,726,333 km (0.056 R)
• M11: 5,066,431 km (0.084 R)
• M12: 5,263,451 km (0.104 R)
• M13: 5,422,773 km (0.03 R)
• M14: 6,076,217 km (0.109 R)
• M15: 6,412,214 km (0.026 R)
• M16: 8,043,429 km (0.12 R)
• M17: 8,181,059 km (0.055 R)
• M18: 8,319,437 km (0.093 R)
• M19: 9,070,717 km (0.082 R)
• M20: 9,990,894 km (0.076 R)
• M21: 12,023,031 km (0.047 R)
• M22: 12,550,513 km (0.074 R)
• M23: 12,656,877 km (0.099 R)
• M24: 12,977,914 km (0.084 R)
• M25: 14,288,691 km (0.098 R)
• M26: 14,511,143 km (0.086 R)
• M27: 15,016,036 km (0.101 R)
• M28: 15,526,763 km (0.08 R)
• M29: 15,641,056 km (0.117 R)
• M30: 15,870,389 km (0.03 R)
• M31: 16,565,122 km (0.109 R)
• M32: 17,447,450 km (0.112 R)
• M33: 17,685,311 km (0.071 R)
• M34: 17,924,218 km (0.079 R)
• M35: 18,344,888 km (0.052 R)
• M36: 18,647,375 km (0.11 R)
• M37: 18,768,848 km (0.086 R)
• M38: 19,012,543 km (0.103 R)
• M39: 19,073,729 km (0.102 R)
• M40: 19,441,590 km (0.084 R)
• M41: 20,434,321 km (0.077 R)
• M42: 21,889,759 km (0.115 R)
• M43: 22,727,208 km (0.071 R)
• M44: 22,792,133 km (0.101 R)
• M45: 23,182,434 km (0.102 R)
• M46: 23,378,557 km (0.116 R)
• M47: 24,832,798 km (0.055 R)
• M48: 25,234,468 km (0.114 R)
• M49: 25,773,469 km (0.106 R)
• M50: 26,044,391 km (0.084 R)
• M51: 26,248,143 km (0.081 R)
• M52: 26,452,494 km (0.093 R)
• M53: 27,206,168 km (0.095 R)
• M54: 27,412,912 km (0.066 R)
• M55: 28,384,850 km (0.055 R)
• M56: 28,804,771 km (0.044 R)
• M57: 29,226,786 km (0.082 R)
• M58: 29,368,007 km (0.04 R)
• M59: 30,005,892 km (0.062 R)
• M60: 30,362,234 km (0.092 R)
• M61: 30,576,758 km (0.083 R)
• M62: 30,791,730 km (0.103 R)
• M63: 31,079,107 km (0.085 R)
• M64: 31,439,638 km (0.054 R)
• M65: 31,874,220 km (0.114 R)
• M66: 32,310,747 km (0.102 R)
• M67: 32,675,915 km (0.106 R)
• M68: 32,895,824 km (0.118 R)
• M69: 33,484,342 km (0.109 R)
• M70: 34,002,100 km (0.041 R)
• M71: 38,393,546 km (0.111 R)
• M72: 39,792,136 km (0.114 R)
• M73: 40,183,634 km (0.09 R)
• M74: 40,812,693 km (0.112 R)
• M75: 43,441,576 km (0.091 R)
• M76: 44,087,091 km (0.034 R)
• M77: 44,168,023 km (0.092 R)
• M78: 44,573,284 km (0.089 R)
• M79: 46,124,763 km (0.083 R)
• M80: 47,859,949 km (0.083 R)
• M81: 48,192,954 km (0.113 R)
• M82: 48,526,557 km (0.105 R)
• M83: 48,861,058 km (0.084 R)
• M84: 49,448,230 km (0.118 R)
• M85: 49,532,304 km (0.03 R)
• M86: 52,333,374 km (0.043 R)
• M87: 53,969,227 km (0.088 R)
• M88: 54,576,146 km (0.09 R)
• M89: 54,836,895 km (0.106 R)
• M90: 56,938,146 km (0.104 R)
• M91: 57,202,635 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632.1

Radius: 6.8

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.97 AU - 9.69 AU

Year: 15286 Days

Day: 20.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 61,924,957 km

• M1: 128,804 km (0.073 R)
• M2: 560,842 km (0.045 R)
• M3: 694,733 km (0.096 R)
• M4: 817,852 km (0.05 R)
• M5: 882,179 km (0.078 R)
• M6: 2,128,778 km (0.06 R)
• M7: 2,218,686 km (0.105 R)
• M8: 2,309,941 km (0.101 R)
• M9: 2,655,213 km (0.105 R)
• M10: 3,084,110 km (0.041 R)
• M11: 3,323,915 km (0.061 R)
• M12: 3,463,789 km (0.119 R)
• M13: 3,968,383 km (0.056 R)
• M14: 4,079,534 km (0.118 R)
• M15: 4,154,183 km (0.077 R)
• M16: 4,573,057 km (0.102 R)
• M17: 4,807,178 km (0.11 R)
• M18: 4,925,659 km (0.088 R)
• M19: 5,045,188 km (0.104 R)
• M20: 5,165,764 km (0.106 R)
• M21: 7,537,938 km (0.118 R)
• M22: 7,675,867 km (0.074 R)
• M23: 9,148,957 km (0.108 R)
• M24: 9,842,194 km (0.12 R)
• M25: 9,942,723 km (0.107 R)
• M26: 10,449,860 km (0.083 R)
• M27: 10,706,720 km (0.115 R)
• M28: 11,383,949 km (0.106 R)
• M29: 11,436,608 km (0.098 R)
• M30: 11,967,979 km (0.096 R)
• M31: 12,236,507 km (0.12 R)
• M32: 12,452,976 km (0.058 R)
• M33: 12,834,600 km (0.108 R)
• M34: 12,999,307 km (0.064 R)
• M35: 13,109,561 km (0.102 R)
• M36: 13,497,767 km (0.111 R)
• M37: 13,665,317 km (0.112 R)
• M38: 15,436,705 km (0.032 R)
• M39: 15,905,395 km (0.108 R)
• M40: 17,826,681 km (0.077 R)
• M41: 17,887,866 km (0.092 R)
• M42: 18,010,536 km (0.083 R)
• M43: 18,072,021 km (0.085 R)
• M44: 18,194,991 km (0.038 R)
• M45: 18,256,625 km (0.095 R)
• M46: 19,126,836 km (0.097 R)
• M47: 19,503,972 km (0.114 R)
• M48: 19,566,953 km (0.106 R)
• M49: 20,971,976 km (0.074 R)
• M50: 21,490,931 km (0.077 R)
• M51: 21,621,380 km (0.066 R)
• M52: 22,277,217 km (0.074 R)
• M53: 22,475,285 km (0.057 R)
• M54: 22,806,644 km (0.076 R)
• M55: 24,013,001 km (0.103 R)
• M56: 24,283,923 km (0.12 R)
• M57: 25,930,397 km (0.063 R)
• M58: 26,767,098 km (0.081 R)
• M59: 26,977,582 km (0.115 R)
• M60: 27,471,106 km (0.105 R)
• M61: 27,541,866 km (0.045 R)
• M62: 28,323,814 km (0.052 R)
• M63: 28,466,829 km (0.044 R)
• M64: 28,897,222 km (0.034 R)
• M65: 29,546,926 km (0.051 R)
• M66: 32,193,163 km (0.098 R)
• M67: 32,417,111 km (0.113 R)
• M68: 33,695,724 km (0.092 R)
• M69: 34,379,386 km (0.077 R)
• M70: 34,837,604 km (0.098 R)
• M71: 36,846,704 km (0.086 R)
• M72: 37,159,213 km (0.104 R)
• M73: 38,101,680 km (0.118 R)
• M74: 38,496,768 km (0.054 R)
• M75: 38,655,192 km (0.102 R)
• M76: 39,290,983 km (0.107 R)
• M77: 39,530,190 km (0.107 R)
• M78: 40,331,436 km (0.098 R)
• M79: 40,572,887 km (0.12 R)
• M80: 41,462,097 km (0.118 R)
• M81: 41,868,405 km (0.088 R)
• M82: 42,357,740 km (0.093 R)
• M83: 42,603,080 km (0.114 R)
• M84: 42,849,019 km (0.115 R)
• M85: 46,761,751 km (0.08 R)
• M86: 48,204,772 km (0.082 R)
• M87: 51,134,647 km (0.114 R)
• M88: 51,919,736 km (0.03 R)
• M89: 56,084,242 km (0.049 R)
• M90: 56,263,909 km (0.09 R)
• M91: 57,164,638 km (0.118 R)
• M92: 57,707,379 km (0.038 R)
• M93: 58,798,097 km (0.106 R)
• M94: 59,528,882 km (0.087 R)
• M95: 60,722,973 km (0.075 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: 234 - 16,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit