🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.04 AU - 1.54 AU

Year: 513 Days

Day: 42.8 Hours

Environment

Temp: 30 °C

Axial Tilt: 13.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.18 AU - 4.7 AU

Year: 3273 Days

Day: 42.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.3

Radius: 12.2

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.66 AU - 6.68 AU

Year: 5362 Days

Day: 12 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 104,233,504 km

• M1: 172,636 km (0.095 R)
• M2: 359,783 km (0.101 R)
• M3: 440,117 km (0.119 R)
• M4: 658,829 km (0.102 R)
• M5: 850,913 km (0.046 R)
• M6: 1,062,444 km (0.118 R)
• M7: 1,506,451 km (0.069 R)
• M8: 1,782,907 km (0.08 R)
• M9: 1,970,653 km (0.044 R)
• M10: 2,347,490 km (0.069 R)
• M11: 2,459,539 km (0.119 R)
• M12: 2,925,386 km (0.057 R)
• M13: 3,210,071 km (0.103 R)
• M14: 3,314,042 km (0.059 R)
• M15: 3,654,227 km (0.063 R)
• M16: 3,762,835 km (0.107 R)
• M17: 4,276,704 km (0.086 R)
• M18: 4,553,610 km (0.111 R)
• M19: 4,788,927 km (0.1 R)
• M20: 5,745,007 km (0.043 R)
• M21: 6,128,277 km (0.106 R)
• M22: 6,206,068 km (0.098 R)
• M23: 6,336,218 km (0.079 R)
• M24: 6,919,949 km (0.04 R)
• M25: 7,055,036 km (0.099 R)
• M26: 7,273,000 km (0.114 R)
• M27: 8,396,180 km (0.096 R)
• M28: 8,948,645 km (0.094 R)
• M29: 9,693,493 km (0.097 R)
• M30: 10,058,063 km (0.096 R)
• M31: 10,334,520 km (0.03 R)
• M32: 10,644,636 km (0.09 R)
• M33: 10,769,551 km (0.12 R)
• M34: 11,147,285 km (0.107 R)
• M35: 11,274,144 km (0.061 R)
• M36: 11,593,536 km (0.096 R)
• M37: 11,754,204 km (0.056 R)
• M38: 11,980,545 km (0.075 R)
• M39: 12,306,370 km (0.09 R)
• M40: 12,437,567 km (0.111 R)
• M41: 12,602,274 km (0.06 R)
• M42: 13,033,565 km (0.118 R)
• M43: 13,133,795 km (0.097 R)
• M44: 13,234,325 km (0.038 R)
• M45: 13,605,029 km (0.106 R)
• M46: 13,842,740 km (0.087 R)
• M47: 14,703,077 km (0.116 R)
• M48: 14,912,065 km (0.092 R)
• M49: 15,122,101 km (0.109 R)
• M50: 15,722,437 km (0.025 R)
• M51: 15,864,854 km (0.053 R)
• M52: 17,165,907 km (0.11 R)
• M53: 17,386,115 km (0.1 R)
• M54: 18,089,524 km (0.081 R)
• M55: 19,029,148 km (0.099 R)
• M56: 19,562,315 km (0.03 R)
• M57: 20,255,103 km (0.06 R)
• M58: 20,643,459 km (0.112 R)
• M59: 20,760,445 km (0.111 R)
• M60: 21,230,481 km (0.112 R)
• M61: 22,021,854 km (0.104 R)
• M62: 22,742,467 km (0.096 R)
• M63: 22,943,975 km (0.079 R)
• M64: 23,105,541 km (0.062 R)
• M65: 23,470,709 km (0.044 R)
• M66: 23,552,090 km (0.1 R)
• M67: 23,633,621 km (0.094 R)
• M68: 24,206,581 km (0.091 R)
• M69: 24,991,671 km (0.06 R)
• M70: 25,241,350 km (0.105 R)
• M71: 25,366,413 km (0.114 R)
• M72: 25,491,776 km (0.042 R)
• M73: 25,575,402 km (0.069 R)
• M74: 26,375,002 km (0.098 R)
• M75: 26,671,655 km (0.113 R)
• M76: 26,969,355 km (0.04 R)
• M77: 27,268,101 km (0.05 R)
• M78: 27,568,045 km (0.084 R)
• M79: 27,654,064 km (0.048 R)
• M80: 28,127,990 km (0.087 R)
• M81: 28,387,692 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.8

Radius: 10.8

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.12 AU - 8.26 AU

Year: 8200 Days

Day: 12.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 104,233,504 km

• M1: 135,087 km (0.12 R)
• M2: 308,471 km (0.065 R)
• M3: 414,087 km (0.097 R)
• M4: 555,008 km (0.061 R)
• M5: 658,979 km (0.069 R)
• M6: 1,013,675 km (0.109 R)
• M7: 1,144,723 km (0.049 R)
• M8: 1,226,403 km (0.115 R)
• M9: 1,381,237 km (0.047 R)
• M10: 1,453,792 km (0.12 R)
• M11: 1,542,803 km (0.103 R)
• M12: 1,710,801 km (0.119 R)
• M13: 1,820,905 km (0.119 R)
• M14: 1,966,165 km (0.106 R)
• M15: 2,320,113 km (0.114 R)
• M16: 2,460,287 km (0.116 R)
• M17: 2,804,810 km (0.099 R)
• M18: 3,106,998 km (0.114 R)
• M19: 3,519,589 km (0.114 R)
• M20: 3,887,151 km (0.042 R)
• M21: 4,203,102 km (0.103 R)
• M22: 4,681,516 km (0.085 R)
• M23: 5,832,522 km (0.03 R)
• M24: 5,976,285 km (0.118 R)
• M25: 6,390,372 km (0.085 R)
• M26: 6,513,940 km (0.079 R)
• M27: 6,788,602 km (0.091 R)
• M28: 7,582,966 km (0.095 R)
• M29: 7,713,865 km (0.114 R)
• M30: 7,924,947 km (0.112 R)
• M31: 8,057,790 km (0.08 R)
• M32: 8,325,720 km (0.104 R)
• M33: 8,787,977 km (0.051 R)
• M34: 9,036,160 km (0.111 R)
• M35: 9,539,557 km (0.069 R)
• M36: 10,195,843 km (0.115 R)
• M37: 10,282,610 km (0.103 R)
• M38: 10,427,570 km (0.108 R)
• M39: 10,602,599 km (0.094 R)
• M40: 10,866,789 km (0.101 R)
• M41: 11,431,820 km (0.114 R)
• M42: 11,612,385 km (0.11 R)
• M43: 11,945,540 km (0.103 R)
• M44: 12,559,639 km (0.084 R)
• M45: 13,531,576 km (0.093 R)
• M46: 13,722,613 km (0.098 R)
• M47: 13,946,411 km (0.051 R)
• M48: 15,149,926 km (0.064 R)
• M49: 15,647,339 km (0.046 R)
• M50: 15,780,780 km (0.115 R)
• M51: 16,318,734 km (0.092 R)
• M52: 16,522,038 km (0.096 R)
• M53: 16,692,130 km (0.089 R)
• M54: 17,724,655 km (0.11 R)
• M55: 17,794,218 km (0.108 R)
• M56: 18,319,007 km (0.081 R)
• M57: 19,455,353 km (0.069 R)
• M58: 19,563,063 km (0.064 R)
• M59: 19,634,870 km (0.09 R)
• M60: 19,706,976 km (0.045 R)
• M61: 20,068,255 km (0.067 R)
• M62: 20,944,450 km (0.099 R)
• M63: 21,017,902 km (0.102 R)
• M64: 21,870,311 km (0.113 R)
• M65: 22,131,958 km (0.1 R)
• M66: 22,319,404 km (0.091 R)
• M67: 22,507,598 km (0.067 R)
• M68: 22,582,846 km (0.115 R)
• M69: 22,961,029 km (0.117 R)
• M70: 23,455,749 km (0.089 R)
• M71: 23,532,194 km (0.113 R)
• M72: 24,262,381 km (0.056 R)
• M73: 24,999,899 km (0.053 R)
• M74: 25,823,734 km (0.064 R)
• M75: 26,139,834 km (0.12 R)
• M76: 26,417,638 km (0.072 R)
• M77: 26,576,660 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.3

Radius: 9.4

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.9 AU - 9.3 AU

Year: 8823 Days

Day: 12.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 104,233,504 km

• M1: 157,676 km (0.032 R)
• M2: 262,245 km (0.09 R)
• M3: 557,850 km (0.096 R)
• M4: 784,192 km (0.088 R)
• M5: 1,218,175 km (0.117 R)
• M6: 1,449,903 km (0.085 R)
• M7: 2,227,961 km (0.102 R)
• M8: 2,539,125 km (0.098 R)
• M9: 3,202,741 km (0.066 R)
• M10: 3,289,508 km (0.055 R)
• M11: 3,734,561 km (0.072 R)
• M12: 3,948,785 km (0.072 R)
• M13: 4,010,719 km (0.062 R)
• M14: 4,845,774 km (0.1 R)
• M15: 5,012,576 km (0.114 R)
• M16: 6,413,261 km (0.064 R)
• M17: 8,005,281 km (0.112 R)
• M18: 8,242,394 km (0.057 R)
• M19: 8,441,658 km (0.118 R)
• M20: 8,845,124 km (0.103 R)
• M21: 9,008,185 km (0.115 R)
• M22: 10,955,052 km (0.106 R)
• M23: 11,840,671 km (0.051 R)
• M24: 12,474,368 km (0.113 R)
• M25: 12,887,557 km (0.043 R)
• M26: 13,258,560 km (0.092 R)
• M27: 16,052,151 km (0.11 R)
• M28: 16,201,449 km (0.109 R)
• M29: 16,351,197 km (0.119 R)
• M30: 16,601,923 km (0.085 R)
• M31: 16,752,867 km (0.108 R)
• M32: 17,310,568 km (0.03 R)
• M33: 17,514,769 km (0.052 R)
• M34: 17,719,868 km (0.079 R)
• M35: 18,235,980 km (0.087 R)
• M36: 18,339,951 km (0.053 R)
• M37: 19,760,832 km (0.094 R)
• M38: 20,027,864 km (0.072 R)
• M39: 20,188,681 km (0.068 R)
• M40: 20,296,093 km (0.104 R)
• M41: 20,944,599 km (0.11 R)
• M42: 21,875,098 km (0.109 R)
• M43: 22,317,609 km (0.118 R)
• M44: 22,595,711 km (0.093 R)
• M45: 22,763,111 km (0.034 R)
• M46: 23,662,942 km (0.102 R)
• M47: 23,776,188 km (0.114 R)
• M48: 25,381,224 km (0.092 R)
• M49: 25,497,162 km (0.103 R)
• M50: 25,671,443 km (0.039 R)
• M51: 25,846,174 km (0.113 R)
• M52: 27,555,180 km (0.064 R)
• M53: 27,614,869 km (0.119 R)
• M54: 27,853,628 km (0.107 R)
• M55: 28,033,145 km (0.117 R)
• M56: 28,152,973 km (0.11 R)
• M57: 28,936,567 km (0.096 R)
• M58: 29,300,538 km (0.076 R)
• M59: 29,971,933 km (0.107 R)
• M60: 30,155,939 km (0.082 R)
• M61: 30,771,833 km (0.119 R)
• M62: 31,019,418 km (0.103 R)
• M63: 31,766,061 km (0.119 R)
• M64: 31,953,507 km (0.101 R)
• M65: 33,531,016 km (0.112 R)
• M66: 33,594,595 km (0.087 R)
• M67: 36,303,065 km (0.06 R)
• M68: 36,564,712 km (0.095 R)
• M69: 36,695,610 km (0.103 R)
• M70: 37,221,297 km (0.11 R)
• M71: 37,815,649 km (0.032 R)
• M72: 38,213,729 km (0.105 R)
• M73: 38,413,292 km (0.098 R)
• M74: 38,479,863 km (0.111 R)
• M75: 38,746,597 km (0.093 R)
• M76: 40,630,632 km (0.104 R)
• M77: 40,766,467 km (0.107 R)
• M78: 40,834,384 km (0.075 R)
• M79: 40,902,302 km (0.107 R)
• M80: 42,063,331 km (0.077 R)
• M81: 42,613,402 km (0.095 R)
• M82: 42,751,331 km (0.063 R)
• M83: 44,907,785 km (0.113 R)
• M84: 45,048,108 km (0.114 R)
• M85: 45,399,513 km (0.104 R)
• M86: 45,681,355 km (0.083 R)
• M87: 47,885,381 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.4

Radius: 8.5

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 12.68 AU - 12.76 AU

Year: 15871 Days

Day: 7.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 104,233,504 km

• M1: 116,387 km (0.061 R)
• M2: 303,085 km (0.066 R)
• M3: 567,126 km (0.097 R)
• M4: 1,464,264 km (0.097 R)
• M5: 1,741,020 km (0.114 R)
• M6: 1,944,623 km (0.104 R)
• M7: 2,034,381 km (0.056 R)
• M8: 2,186,971 km (0.07 R)
• M9: 2,280,320 km (0.088 R)
• M10: 2,868,689 km (0.088 R)
• M11: 3,502,236 km (0.106 R)
• M12: 3,648,842 km (0.088 R)
• M13: 3,722,893 km (0.112 R)
• M14: 4,610,457 km (0.06 R)
• M15: 5,265,097 km (0.107 R)
• M16: 5,518,067 km (0.11 R)
• M17: 5,646,123 km (0.104 R)
• M18: 5,775,076 km (0.09 R)
• M19: 6,079,957 km (0.099 R)
• M20: 6,167,920 km (0.04 R)
• M21: 6,479,533 km (0.116 R)
• M22: 6,842,008 km (0.059 R)
• M23: 7,211,066 km (0.119 R)
• M24: 7,445,037 km (0.105 R)
• M25: 8,602,626 km (0.102 R)
• M26: 8,701,659 km (0.087 R)
• M27: 9,051,120 km (0.117 R)
• M28: 10,813,084 km (0.105 R)
• M29: 11,405,491 km (0.085 R)
• M30: 11,459,795 km (0.044 R)
• M31: 12,063,572 km (0.091 R)
• M32: 12,733,920 km (0.081 R)
• M33: 12,960,112 km (0.103 R)
• M34: 13,589,022 km (0.118 R)
• M35: 13,994,282 km (0.055 R)
• M36: 14,816,921 km (0.116 R)
• M37: 17,377,438 km (0.106 R)
• M38: 18,070,376 km (0.118 R)
• M39: 19,418,103 km (0.114 R)
• M40: 20,532,757 km (0.1 R)
• M41: 20,599,028 km (0.094 R)
• M42: 21,802,992 km (0.063 R)
• M43: 23,167,325 km (0.055 R)
• M44: 24,068,951 km (0.117 R)
• M45: 24,418,860 km (0.063 R)
• M46: 24,489,022 km (0.047 R)
• M47: 24,770,266 km (0.09 R)
• M48: 25,265,285 km (0.07 R)
• M49: 26,408,811 km (0.104 R)
• M50: 26,552,874 km (0.102 R)
• M51: 27,131,967 km (0.089 R)
• M52: 27,715,250 km (0.056 R)
• M53: 27,788,552 km (0.086 R)
• M54: 29,340,630 km (0.12 R)
• M55: 30,315,410 km (0.098 R)
• M56: 30,996,529 km (0.094 R)
• M57: 31,300,961 km (0.058 R)
• M58: 31,606,290 km (0.083 R)
• M59: 32,219,941 km (0.09 R)
• M60: 33,381,119 km (0.065 R)
• M61: 34,084,379 km (0.113 R)
• M62: 34,871,413 km (0.07 R)
• M63: 35,744,167 km (0.08 R)
• M64: 37,187,787 km (0.117 R)
• M65: 39,388,671 km (0.081 R)
• M66: 40,297,478 km (0.111 R)
• M67: 40,962,739 km (0.09 R)
• M68: 41,296,642 km (0.057 R)
• M69: 41,547,817 km (0.118 R)
• M70: 41,631,591 km (0.059 R)
• M71: 42,219,810 km (0.11 R)
• M72: 43,489,447 km (0.038 R)
• M73: 44,000,923 km (0.034 R)
• M74: 44,857,670 km (0.107 R)
• M75: 46,326,721 km (0.1 R)
• M76: 46,500,553 km (0.099 R)
• M77: 48,163,184 km (0.12 R)
• M78: 48,692,312 km (0.109 R)
• M79: 51,366,374 km (0.09 R)
• M80: 51,456,432 km (0.099 R)
• M81: 52,177,942 km (0.086 R)
• M82: 53,175,461 km (0.089 R)
• M83: 53,813,645 km (0.056 R)
• M84: 55,558,405 km (0.097 R)
• M85: 55,650,707 km (0.067 R)
• M86: 59,291,770 km (0.105 R)
• M87: 62,144,601 km (0.106 R)
• M88: 64,361,941 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862

Radius: 7.6

Gravity: 14.92 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 17.81 AU - 19.85 AU

Year: 28586 Days

Day: 23.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 104,233,504 km

• M1: 248,931 km (0.084 R)
• M2: 367,263 km (0.047 R)
• M3: 457,769 km (0.074 R)
• M4: 608,863 km (0.106 R)
• M5: 835,654 km (0.085 R)
• M6: 1,258,866 km (0.069 R)
• M7: 2,539,873 km (0.088 R)
• M8: 2,813,038 km (0.08 R)
• M9: 3,143,799 km (0.084 R)
• M10: 3,192,119 km (0.11 R)
• M11: 3,997,853 km (0.062 R)
• M12: 4,315,749 km (0.116 R)
• M13: 4,477,763 km (0.108 R)
• M14: 5,145,718 km (0.089 R)
• M15: 5,433,245 km (0.106 R)
• M16: 5,549,632 km (0.071 R)
• M17: 5,844,490 km (0.12 R)
• M18: 6,144,433 km (0.119 R)
• M19: 7,393,875 km (0.092 R)
• M20: 7,523,127 km (0.082 R)
• M21: 7,783,727 km (0.066 R)
• M22: 8,719,162 km (0.063 R)
• M23: 8,787,379 km (0.119 R)
• M24: 9,689,753 km (0.097 R)
• M25: 10,548,744 km (0.041 R)
• M26: 10,913,913 km (0.1 R)
• M27: 11,061,117 km (0.069 R)
• M28: 11,134,869 km (0.071 R)
• M29: 11,656,516 km (0.095 R)
• M30: 12,033,952 km (0.082 R)
• M31: 13,190,044 km (0.098 R)
• M32: 14,300,808 km (0.098 R)
• M33: 14,867,485 km (0.08 R)
• M34: 17,291,868 km (0.12 R)
• M35: 18,243,161 km (0.117 R)
• M36: 20,649,293 km (0.1 R)
• M37: 22,494,882 km (0.084 R)
• M38: 24,008,962 km (0.034 R)
• M39: 24,585,213 km (0.032 R)
• M40: 25,263,191 km (0.107 R)
• M41: 27,034,878 km (0.057 R)
• M42: 32,584,511 km (0.112 R)
• M43: 35,268,895 km (0.091 R)
• M44: 35,923,535 km (0.112 R)
• M45: 37,466,936 km (0.105 R)
• M46: 38,246,640 km (0.118 R)
• M47: 43,969,657 km (0.111 R)
• M48: 45,382,309 km (0.047 R)
• M49: 46,570,864 km (0.104 R)
• M50: 46,929,450 km (0.104 R)
• M51: 48,493,945 km (0.098 R)
• M52: 55,932,400 km (0.085 R)
• M53: 56,950,713 km (0.063 R)
• M54: 59,912,302 km (0.1 R)
• M55: 60,823,502 km (0.069 R)
• M56: 63,055,652 km (0.034 R)
• M57: 63,849,867 km (0.101 R)
• M58: 65,047,249 km (0.115 R)
• M59: 65,448,021 km (0.111 R)
• M60: 66,117,921 km (0.09 R)
• M61: 66,520,937 km (0.116 R)
• M62: 67,194,427 km (0.082 R)
• M63: 67,329,364 km (0.05 R)
• M64: 69,364,643 km (0.104 R)
• M65: 69,910,825 km (0.076 R)
• M66: 70,732,716 km (0.086 R)
• M67: 72,386,071 km (0.107 R)
• M68: 73,356,363 km (0.076 R)
• M69: 74,470,568 km (0.066 R)
• M70: 74,610,292 km (0.105 R)
• M71: 74,889,891 km (0.049 R)
• M72: 76,856,953 km (0.089 R)
• M73: 77,705,173 km (0.03 R)
• M74: 78,698,653 km (0.09 R)
• M75: 80,554,713 km (0.044 R)
• M76: 81,848,286 km (0.036 R)
• M77: 82,569,797 km (0.069 R)
• M78: 82,714,458 km (0.037 R)
• M79: 83,438,512 km (0.085 R)
• M80: 84,893,052 km (0.112 R)
• M81: 85,477,082 km (0.118 R)
• M82: 86,355,820 km (0.11 R)
• M83: 91,092,687 km (0.079 R)
• M84: 91,840,377 km (0.114 R)
• M85: 92,290,068 km (0.106 R)
• M86: 93,492,536 km (0.117 R)
• M87: 96,065,170 km (0.11 R)
• M88: 96,673,884 km (0.051 R)
• M89: 99,275,092 km (0.093 R)
• M90: 99,582,515 km (0.094 R)
• M91: 100,970,335 km (0.095 R)
• M92: 102,830,734 km (0.07 R)

Kuiper Belt

Range: 31.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 14,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit