🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.53 AU - 0.77 AU

Year: 189 Days

Day: 31 Hours

Environment

Temp: 155 °C

Axial Tilt: 13 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,732,023 km

• M1: 168,746 km (0.034 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.91 AU - 1.15 AU

Year: 376 Days

Day: 20.7 Hours

Environment

Temp: 20 °C

Axial Tilt: 18.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 60,732,023 km

• M1: 99,931 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.89 AU - 2.25 AU

Year: 1072 Days

Day: 18.5 Hours

Environment

Temp: -60 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.39 AU - 3.29 AU

Year: 1722 Days

Day: 21.8 Hours

Environment

Temp: -91 °C

Axial Tilt: 45.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,732,023 km

• M1: 2,526,110 km (0.074 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.48 AU - 4.44 AU

Year: 2836 Days

Day: 32.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,732,023 km

• M1: 1,155,344 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.4

Radius: 9.9

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.19 AU - 5.47 AU

Year: 4429 Days

Day: 6.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 130.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 60,732,023 km

• M1: 150,645 km (0.052 R)
• M2: 216,169 km (0.116 R)
• M3: 370,105 km (0.11 R)
• M4: 454,778 km (0.113 R)
• M5: 613,351 km (0.077 R)
• M6: 703,708 km (0.08 R)
• M7: 791,373 km (0.037 R)
• M8: 970,591 km (0.092 R)
• M9: 1,036,264 km (0.049 R)
• M10: 1,387,670 km (0.092 R)
• M11: 1,529,040 km (0.07 R)
• M12: 1,616,106 km (0.08 R)
• M13: 1,695,093 km (0.076 R)
• M14: 1,867,131 km (0.102 R)
• M15: 2,023,910 km (0.088 R)
• M16: 2,261,770 km (0.116 R)
• M17: 2,429,320 km (0.064 R)
• M18: 3,041,474 km (0.101 R)
• M19: 3,492,512 km (0.045 R)
• M20: 3,582,719 km (0.069 R)
• M21: 3,964,792 km (0.07 R)
• M22: 4,167,497 km (0.063 R)
• M23: 4,513,069 km (0.102 R)
• M24: 4,911,148 km (0.099 R)
• M25: 4,997,915 km (0.11 R)
• M26: 5,099,791 km (0.11 R)
• M27: 5,202,416 km (0.098 R)
• M28: 5,680,381 km (0.109 R)
• M29: 6,455,148 km (0.111 R)
• M30: 7,328,949 km (0.066 R)
• M31: 7,511,459 km (0.079 R)
• M32: 7,847,306 km (0.116 R)
• M33: 7,965,937 km (0.061 R)
• M34: 8,136,628 km (0.12 R)
• M35: 8,256,755 km (0.1 R)
• M36: 8,360,127 km (0.11 R)
• M37: 8,481,451 km (0.078 R)
• M38: 8,708,242 km (0.087 R)
• M39: 8,901,672 km (0.066 R)
• M40: 8,990,084 km (0.098 R)
• M41: 9,508,590 km (0.08 R)
• M42: 9,671,502 km (0.115 R)
• M43: 9,762,458 km (0.115 R)
• M44: 9,853,563 km (0.06 R)
• M45: 10,000,019 km (0.114 R)
• M46: 10,128,823 km (0.109 R)
• M47: 10,687,122 km (0.11 R)
• M48: 10,837,618 km (0.09 R)
• M49: 11,236,146 km (0.112 R)
• M50: 11,408,483 km (0.063 R)
• M51: 11,697,656 km (0.088 R)
• M52: 12,067,312 km (0.102 R)
• M53: 12,381,617 km (0.068 R)
• M54: 13,259,906 km (0.061 R)
• M55: 13,361,035 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.9

Radius: 9.3

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.36 AU - 8.56 AU

Year: 6608 Days

Day: 7.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 60,732,023 km

• M1: 124,017 km (0.101 R)
• M2: 188,194 km (0.09 R)
• M3: 285,882 km (0.073 R)
• M4: 387,608 km (0.099 R)
• M5: 775,067 km (0.086 R)
• M6: 927,357 km (0.113 R)
• M7: 1,105,229 km (0.114 R)
• M8: 1,477,279 km (0.04 R)
• M9: 1,580,651 km (0.077 R)
• M10: 1,686,566 km (0.115 R)
• M11: 2,075,970 km (0.114 R)
• M12: 2,172,759 km (0.111 R)
• M13: 2,291,091 km (0.085 R)
• M14: 2,411,518 km (0.104 R)
• M15: 2,493,049 km (0.049 R)
• M16: 2,764,419 km (0.107 R)
• M17: 2,979,690 km (0.104 R)
• M18: 3,705,240 km (0.112 R)
• M19: 3,847,208 km (0.107 R)
• M20: 4,533,563 km (0.036 R)
• M21: 4,813,611 km (0.1 R)
• M22: 4,890,953 km (0.049 R)
• M23: 5,073,163 km (0.1 R)
• M24: 5,231,138 km (0.064 R)
• M25: 5,796,618 km (0.11 R)
• M26: 5,879,047 km (0.067 R)
• M27: 5,961,924 km (0.071 R)
• M28: 6,128,576 km (0.066 R)
• M29: 6,268,749 km (0.113 R)
• M30: 6,495,240 km (0.116 R)
• M31: 7,102,608 km (0.079 R)
• M32: 7,517,592 km (0.117 R)
• M33: 7,940,505 km (0.071 R)
• M34: 8,371,198 km (0.088 R)
• M35: 8,746,389 km (0.059 R)
• M36: 8,936,079 km (0.094 R)
• M37: 9,287,335 km (0.107 R)
• M38: 10,670,068 km (0.039 R)
• M39: 11,110,933 km (0.105 R)
• M40: 11,179,299 km (0.047 R)
• M41: 11,316,481 km (0.027 R)
• M42: 12,115,932 km (0.095 R)
• M43: 12,540,191 km (0.103 R)
• M44: 12,718,512 km (0.092 R)
• M45: 13,439,873 km (0.094 R)
• M46: 13,549,229 km (0.083 R)
• M47: 14,174,548 km (0.061 R)
• M48: 14,360,348 km (0.068 R)
• M49: 15,377,165 km (0.105 R)
• M50: 15,721,240 km (0.115 R)
• M51: 16,145,201 km (0.116 R)
• M52: 16,534,005 km (0.034 R)
• M53: 16,729,530 km (0.093 R)
• M54: 17,043,985 km (0.098 R)
• M55: 17,122,823 km (0.092 R)
• M56: 17,638,786 km (0.08 R)
• M57: 19,217,193 km (0.119 R)
• M58: 19,422,740 km (0.116 R)
• M59: 19,546,458 km (0.096 R)
• M60: 19,711,913 km (0.08 R)
• M61: 20,085,609 km (0.099 R)
• M62: 20,252,560 km (0.113 R)
• M63: 21,561,392 km (0.058 R)
• M64: 21,946,606 km (0.105 R)
• M65: 23,465,772 km (0.068 R)
• M66: 23,729,663 km (0.089 R)
• M67: 24,082,864 km (0.098 R)
• M68: 24,260,287 km (0.114 R)
• M69: 24,527,020 km (0.116 R)
• M70: 24,973,869 km (0.108 R)
• M71: 25,558,796 km (0.028 R)
• M72: 26,102,584 km (0.106 R)
• M73: 27,294,132 km (0.111 R)
• M74: 27,710,762 km (0.096 R)
• M75: 27,850,037 km (0.081 R)
• M76: 28,129,486 km (0.076 R)
• M77: 29,020,192 km (0.107 R)
• M78: 29,161,711 km (0.093 R)
• M79: 30,110,910 km (0.114 R)
• M80: 30,445,411 km (0.117 R)
• M81: 30,973,790 km (0.071 R)
• M82: 31,844,749 km (0.116 R)
• M83: 32,871,140 km (0.037 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.9

Radius: 13.9

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.25 AU - 10.75 AU

Year: 10538 Days

Day: 9.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 60,732,023 km

• M1: 251,624 km (0.049 R)
• M2: 368,609 km (0.071 R)
• M3: 494,870 km (0.107 R)
• M4: 582,385 km (0.119 R)
• M5: 856,747 km (0.105 R)
• M6: 1,615,358 km (0.078 R)
• M7: 1,791,883 km (0.052 R)
• M8: 1,919,490 km (0.102 R)
• M9: 2,242,322 km (0.04 R)
• M10: 2,340,758 km (0.113 R)
• M11: 2,480,931 km (0.113 R)
• M12: 2,707,273 km (0.064 R)
• M13: 3,610,245 km (0.091 R)
• M14: 3,726,483 km (0.078 R)
• M15: 4,155,380 km (0.096 R)
• M16: 4,650,848 km (0.114 R)
• M17: 5,139,136 km (0.098 R)
• M18: 5,616,951 km (0.107 R)
• M19: 5,752,337 km (0.084 R)
• M20: 6,053,777 km (0.048 R)
• M21: 6,530,097 km (0.093 R)
• M22: 7,047,855 km (0.114 R)
• M23: 7,311,596 km (0.032 R)
• M24: 7,400,307 km (0.085 R)
• M25: 7,728,525 km (0.067 R)
• M26: 7,879,320 km (0.111 R)
• M27: 8,337,688 km (0.12 R)
• M28: 8,962,408 km (0.049 R)
• M29: 9,829,777 km (0.098 R)
• M30: 9,927,763 km (0.104 R)
• M31: 10,091,872 km (0.026 R)
• M32: 10,858,561 km (0.06 R)
• M33: 10,959,989 km (0.036 R)
• M34: 11,095,674 km (0.098 R)
• M35: 11,609,543 km (0.12 R)
• M36: 12,412,435 km (0.101 R)
• M37: 13,017,558 km (0.077 R)
• M38: 13,125,418 km (0.08 R)
• M39: 13,632,256 km (0.077 R)
• M40: 14,479,129 km (0.101 R)
• M41: 15,267,211 km (0.066 R)
• M42: 15,838,675 km (0.102 R)
• M43: 16,223,590 km (0.037 R)
• M44: 16,611,647 km (0.079 R)
• M45: 17,120,579 km (0.12 R)
• M46: 17,913,747 km (0.079 R)
• M47: 19,125,789 km (0.101 R)
• M48: 19,494,547 km (0.066 R)
• M49: 20,031,454 km (0.115 R)
• M50: 20,824,921 km (0.047 R)
• M51: 21,035,405 km (0.105 R)
• M52: 21,713,832 km (0.072 R)
• M53: 22,313,420 km (0.093 R)
• M54: 22,701,776 km (0.086 R)
• M55: 23,048,694 km (0.081 R)
• M56: 24,676,618 km (0.071 R)
• M57: 25,302,236 km (0.111 R)
• M58: 25,481,903 km (0.107 R)
• M59: 25,571,961 km (0.096 R)
• M60: 25,662,019 km (0.082 R)
• M61: 26,614,808 km (0.075 R)
• M62: 27,764,018 km (0.103 R)
• M63: 27,856,620 km (0.106 R)
• M64: 28,367,945 km (0.109 R)
• M65: 28,601,467 km (0.036 R)
• M66: 29,117,281 km (0.101 R)
• M67: 29,211,378 km (0.094 R)
• M68: 29,447,144 km (0.102 R)
• M69: 29,636,236 km (0.068 R)
• M70: 29,968,044 km (0.046 R)
• M71: 30,253,477 km (0.099 R)
• M72: 30,635,550 km (0.056 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.9

Radius: 8.4

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 9.52 AU - 12.44 AU

Year: 13094 Days

Day: 14 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 60,732,023 km

• M1: 520,750 km (0.101 R)
• M2: 581,487 km (0.067 R)
• M3: 677,828 km (0.106 R)
• M4: 851,062 km (0.087 R)
• M5: 943,065 km (0.044 R)
• M6: 1,157,888 km (0.066 R)
• M7: 1,281,755 km (0.048 R)
• M8: 1,431,951 km (0.108 R)
• M9: 1,587,981 km (0.069 R)
• M10: 2,114,716 km (0.082 R)
• M11: 2,190,562 km (0.06 R)
• M12: 2,449,964 km (0.079 R)
• M13: 2,719,390 km (0.056 R)
• M14: 3,170,428 km (0.046 R)
• M15: 3,644,653 km (0.099 R)
• M16: 3,828,210 km (0.062 R)
• M17: 3,952,376 km (0.094 R)
• M18: 4,397,280 km (0.056 R)
• M19: 4,462,205 km (0.045 R)
• M20: 4,925,360 km (0.111 R)
• M21: 5,508,194 km (0.084 R)
• M22: 5,719,276 km (0.099 R)
• M23: 6,552,536 km (0.088 R)
• M24: 7,617,374 km (0.099 R)
• M25: 7,852,542 km (0.084 R)
• M26: 8,491,474 km (0.074 R)
• M27: 8,613,097 km (0.078 R)
• M28: 8,735,319 km (0.081 R)
• M29: 9,146,863 km (0.111 R)
• M30: 9,396,990 km (0.04 R)
• M31: 9,607,026 km (0.092 R)
• M32: 9,691,399 km (0.112 R)
• M33: 11,120,507 km (0.103 R)
• M34: 11,253,799 km (0.1 R)
• M35: 11,836,932 km (0.107 R)
• M36: 12,706,843 km (0.118 R)
• M37: 12,939,318 km (0.116 R)
• M38: 13,502,704 km (0.093 R)
• M39: 14,897,255 km (0.112 R)
• M40: 15,537,085 km (0.088 R)
• M41: 15,935,315 km (0.083 R)
• M42: 16,236,306 km (0.072 R)
• M43: 17,407,059 km (0.086 R)
• M44: 18,132,908 km (0.089 R)
• M45: 18,763,014 km (0.081 R)
• M46: 19,775,343 km (0.109 R)
• M47: 20,369,396 km (0.106 R)
• M48: 20,423,700 km (0.073 R)
• M49: 21,519,953 km (0.075 R)
• M50: 21,908,159 km (0.108 R)
• M51: 22,635,205 km (0.104 R)
• M52: 23,143,239 km (0.116 R)
• M53: 23,370,179 km (0.047 R)
• M54: 23,998,191 km (0.104 R)
• M55: 24,516,249 km (0.057 R)
• M56: 24,689,633 km (0.088 R)
• M57: 25,504,642 km (0.053 R)
• M58: 25,797,854 km (0.102 R)
• M59: 25,915,438 km (0.032 R)
• M60: 26,092,113 km (0.072 R)
• M61: 26,210,145 km (0.114 R)
• M62: 27,041,311 km (0.112 R)
• M63: 27,160,840 km (0.113 R)
• M64: 27,340,357 km (0.109 R)
• M65: 29,034,703 km (0.07 R)
• M66: 29,218,259 km (0.103 R)
• M67: 31,450,858 km (0.067 R)
• M68: 31,513,689 km (0.087 R)
• M69: 31,828,293 km (0.063 R)
• M70: 32,524,073 km (0.075 R)
• M71: 33,288,817 km (0.034 R)
• M72: 35,226,708 km (0.054 R)
• M73: 36,275,090 km (0.063 R)
• M74: 36,869,293 km (0.099 R)
• M75: 37,001,687 km (0.083 R)
• M76: 37,933,532 km (0.085 R)
• M77: 38,671,199 km (0.113 R)
• M78: 38,940,475 km (0.097 R)
• M79: 39,210,499 km (0.115 R)
• M80: 40,638,262 km (0.103 R)
• M81: 41,392,833 km (0.033 R)
• M82: 41,875,586 km (0.095 R)
• M83: 42,290,720 km (0.12 R)
• M84: 43,334,614 km (0.09 R)
• M85: 45,164,046 km (0.105 R)
• M86: 47,522,157 km (0.119 R)
• M87: 47,955,243 km (0.046 R)
• M88: 48,027,499 km (0.108 R)

Planet 10 - Gas Giant

Semi-Major Axis: 11.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.4

Radius: 13.5

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 9.1 AU - 14.54 AU

Year: 14625 Days

Day: 10.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 60,732,023 km

• M1: 195,973 km (0.081 R)
• M2: 482,603 km (0.035 R)
• M3: 598,990 km (0.112 R)
• M4: 992,133 km (0.106 R)
• M5: 1,265,598 km (0.094 R)
• M6: 1,362,388 km (0.106 R)
• M7: 1,803,103 km (0.108 R)
• M8: 1,913,357 km (0.119 R)
• M9: 2,025,854 km (0.06 R)
• M10: 2,529,850 km (0.048 R)
• M11: 2,812,440 km (0.117 R)
• M12: 3,039,530 km (0.049 R)
• M13: 3,138,713 km (0.044 R)
• M14: 3,477,403 km (0.095 R)
• M15: 3,581,373 km (0.072 R)
• M16: 4,488,086 km (0.085 R)
• M17: 4,948,099 km (0.101 R)
• M18: 6,121,545 km (0.115 R)
• M19: 7,155,715 km (0.082 R)
• M20: 7,467,477 km (0.076 R)
• M21: 7,693,071 km (0.114 R)
• M22: 8,104,614 km (0.103 R)
• M23: 8,289,966 km (0.071 R)
• M24: 8,383,165 km (0.069 R)
• M25: 8,476,664 km (0.097 R)
• M26: 8,949,543 km (0.064 R)
• M27: 10,977,342 km (0.051 R)
• M28: 11,544,916 km (0.051 R)
• M29: 11,858,474 km (0.09 R)
• M30: 13,249,734 km (0.084 R)
• M31: 13,688,205 km (0.097 R)
• M32: 14,020,163 km (0.103 R)
• M33: 14,467,012 km (0.042 R)
• M34: 14,635,758 km (0.046 R)
• M35: 14,748,704 km (0.108 R)
• M36: 14,975,345 km (0.072 R)
• M37: 15,489,513 km (0.098 R)
• M38: 16,535,352 km (0.116 R)
• M39: 16,770,819 km (0.076 R)
• M40: 17,424,113 km (0.099 R)
• M41: 17,904,621 km (0.084 R)
• M42: 19,310,093 km (0.08 R)
• M43: 21,644,867 km (0.115 R)
• M44: 22,161,279 km (0.099 R)
• M45: 22,356,055 km (0.057 R)
• M46: 22,551,281 km (0.106 R)
• M47: 27,754,444 km (0.073 R)
• M48: 28,034,491 km (0.067 R)
• M49: 28,385,897 km (0.1 R)
• M50: 28,738,798 km (0.085 R)
• M51: 28,951,227 km (0.106 R)
• M52: 29,164,254 km (0.068 R)
• M53: 30,164,765 km (0.059 R)
• M54: 34,053,861 km (0.095 R)
• M55: 34,880,688 km (0.078 R)
• M56: 36,094,974 km (0.088 R)
• M57: 37,400,515 km (0.119 R)
• M58: 38,565,134 km (0.068 R)
• M59: 38,721,314 km (0.111 R)
• M60: 39,034,273 km (0.052 R)
• M61: 39,191,201 km (0.114 R)
• M62: 40,691,518 km (0.106 R)
• M63: 41,969,383 km (0.063 R)
• M64: 42,694,036 km (0.113 R)
• M65: 43,422,876 km (0.117 R)
• M66: 44,319,117 km (0.104 R)
• M67: 44,564,607 km (0.096 R)
• M68: 45,964,395 km (0.054 R)
• M69: 48,385,487 km (0.118 R)
• M70: 48,807,053 km (0.053 R)
• M71: 49,738,898 km (0.102 R)
• M72: 51,190,447 km (0.049 R)
• M73: 51,276,316 km (0.099 R)
• M74: 51,448,204 km (0.044 R)
• M75: 52,137,252 km (0.094 R)
• M76: 52,482,972 km (0.115 R)
• M77: 53,437,556 km (0.102 R)
• M78: 53,698,904 km (0.101 R)
• M79: 54,047,916 km (0.066 R)
• M80: 55,011,924 km (0.115 R)
• M81: 56,158,442 km (0.101 R)
• M82: 56,956,846 km (0.093 R)
• M83: 57,491,210 km (0.035 R)
• M84: 58,116,678 km (0.078 R)
• M85: 58,924,208 km (0.101 R)

Kuiper Belt

Range: 30.5 - 45.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 15,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit