🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.55 AU - 0.65 AU

Year: 305 Days

Day: 40.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,210,138 km

• M1: 405,560 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.7

Radius: 13.5

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.55 AU - 0.87 AU

Year: 392 Days

Day: 14.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,210,138 km

• M1: 171,439 km (0.027 R)
• M2: 256,560 km (0.119 R)
• M3: 418,724 km (0.069 R)
• M4: 551,418 km (0.055 R)
• M5: 682,914 km (0.107 R)
• M6: 774,319 km (0.118 R)
• M7: 946,805 km (0.066 R)
• M8: 1,069,475 km (0.088 R)
• M9: 1,205,609 km (0.059 R)
• M10: 1,300,005 km (0.066 R)
• M11: 1,479,822 km (0.117 R)
• M12: 1,676,992 km (0.11 R)
• M13: 1,824,047 km (0.06 R)
• M14: 1,970,952 km (0.12 R)
• M15: 2,098,110 km (0.108 R)
• M16: 2,272,092 km (0.081 R)
• M17: 2,400,747 km (0.083 R)
• M18: 2,501,576 km (0.062 R)
• M19: 2,665,684 km (0.104 R)
• M20: 2,759,782 km (0.052 R)
• M21: 2,934,961 km (0.109 R)
• M22: 3,330,497 km (0.097 R)
• M23: 3,415,020 km (0.067 R)
• M24: 3,638,519 km (0.101 R)
• M25: 3,790,062 km (0.091 R)
• M26: 3,961,800 km (0.097 R)
• M27: 4,239,454 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.1

Radius: 13.3

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.71 AU - 0.99 AU

Year: 514 Days

Day: 6.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,210,138 km

• M1: 165,455 km (0.054 R)
• M2: 258,056 km (0.11 R)
• M3: 403,765 km (0.098 R)
• M4: 493,823 km (0.044 R)
• M5: 594,801 km (0.112 R)
• M6: 712,684 km (0.062 R)
• M7: 830,867 km (0.112 R)
• M8: 1,198,429 km (0.108 R)
• M9: 1,290,581 km (0.039 R)
• M10: 1,430,904 km (0.118 R)
• M11: 1,540,409 km (0.101 R)
• M12: 1,803,552 km (0.093 R)
• M13: 1,928,765 km (0.049 R)
• M14: 2,047,696 km (0.106 R)
• M15: 2,144,037 km (0.061 R)
• M16: 2,241,874 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.3

Radius: 12.9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.48 AU - 2.38 AU

Year: 1759 Days

Day: 13.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 46,210,138 km

• M1: 160,818 km (0.059 R)
• M2: 288,125 km (0.111 R)
• M3: 385,663 km (0.099 R)
• M4: 473,926 km (0.031 R)
• M5: 677,379 km (0.113 R)
• M6: 784,491 km (0.084 R)
• M7: 898,186 km (0.112 R)
• M8: 1,003,652 km (0.073 R)
• M9: 1,091,466 km (0.095 R)
• M10: 1,444,966 km (0.05 R)
• M11: 1,861,596 km (0.043 R)
• M12: 1,990,400 km (0.099 R)
• M13: 2,286,304 km (0.061 R)
• M14: 2,699,643 km (0.117 R)
• M15: 3,114,927 km (0.118 R)
• M16: 3,335,883 km (0.105 R)
• M17: 3,573,594 km (0.107 R)
• M18: 3,665,597 km (0.07 R)
• M19: 3,781,834 km (0.073 R)
• M20: 3,887,450 km (0.05 R)
• M21: 4,125,909 km (0.074 R)
• M22: 4,259,051 km (0.097 R)
• M23: 4,418,373 km (0.059 R)
• M24: 4,554,657 km (0.112 R)
• M25: 4,730,285 km (0.115 R)
• M26: 4,831,562 km (0.108 R)
• M27: 4,959,319 km (0.077 R)
• M28: 5,101,138 km (0.103 R)
• M29: 5,244,453 km (0.11 R)
• M30: 5,548,136 km (0.115 R)
• M31: 5,830,727 km (0.074 R)
• M32: 6,186,919 km (0.119 R)
• M33: 6,564,654 km (0.042 R)
• M34: 6,749,108 km (0.086 R)
• M35: 6,993,102 km (0.09 R)
• M36: 7,108,891 km (0.075 R)
• M37: 7,652,829 km (0.117 R)
• M38: 7,742,288 km (0.07 R)
• M39: 7,832,197 km (0.079 R)
• M40: 8,118,976 km (0.057 R)
• M41: 8,240,748 km (0.115 R)
• M42: 8,409,345 km (0.06 R)
• M43: 8,827,770 km (0.12 R)
• M44: 8,921,718 km (0.11 R)
• M45: 9,094,803 km (0.114 R)
• M46: 9,944,219 km (0.096 R)
• M47: 10,156,499 km (0.077 R)
• M48: 10,271,539 km (0.12 R)
• M49: 10,370,274 km (0.062 R)
• M50: 10,685,477 km (0.051 R)
• M51: 10,768,952 km (0.096 R)
• M52: 11,223,431 km (0.117 R)
• M53: 11,308,253 km (0.062 R)
• M54: 11,461,590 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.1

Radius: 13.3

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.25 AU - 3.03 AU

Year: 2814 Days

Day: 10.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 46,210,138 km

• M1: 206,295 km (0.105 R)
• M2: 291,417 km (0.042 R)
• M3: 471,084 km (0.044 R)
• M4: 614,398 km (0.096 R)
• M5: 856,597 km (0.112 R)
• M6: 1,019,809 km (0.086 R)
• M7: 1,236,875 km (0.087 R)
• M8: 1,334,712 km (0.094 R)
• M9: 1,538,764 km (0.1 R)
• M10: 1,753,437 km (0.028 R)
• M11: 1,889,720 km (0.049 R)
• M12: 2,107,535 km (0.114 R)
• M13: 2,226,316 km (0.111 R)
• M14: 2,360,954 km (0.096 R)
• M15: 2,470,758 km (0.114 R)
• M16: 2,956,652 km (0.094 R)
• M17: 3,195,710 km (0.104 R)
• M18: 3,613,985 km (0.094 R)
• M19: 3,709,279 km (0.118 R)
• M20: 3,918,866 km (0.114 R)
• M21: 4,033,308 km (0.033 R)
• M22: 4,165,553 km (0.041 R)
• M23: 5,007,041 km (0.09 R)
• M24: 5,275,120 km (0.12 R)
• M25: 5,383,728 km (0.074 R)
• M26: 6,032,085 km (0.109 R)
• M27: 6,568,693 km (0.076 R)
• M28: 6,744,470 km (0.096 R)
• M29: 7,080,766 km (0.091 R)
• M30: 7,240,986 km (0.106 R)
• M31: 7,422,747 km (0.067 R)
• M32: 7,728,974 km (0.111 R)
• M33: 7,873,186 km (0.086 R)
• M34: 8,039,240 km (0.059 R)
• M35: 8,227,434 km (0.104 R)
• M36: 8,629,703 km (0.076 R)
• M37: 8,800,992 km (0.075 R)
• M38: 8,930,245 km (0.062 R)
• M39: 9,125,171 km (0.073 R)
• M40: 9,277,910 km (0.107 R)
• M41: 9,453,389 km (0.119 R)
• M42: 9,763,206 km (0.085 R)
• M43: 9,874,656 km (0.103 R)
• M44: 10,008,995 km (0.053 R)
• M45: 10,098,903 km (0.12 R)
• M46: 10,279,468 km (0.1 R)
• M47: 10,370,274 km (0.103 R)
• M48: 10,850,782 km (0.036 R)
• M49: 11,152,072 km (0.092 R)
• M50: 12,699,214 km (0.07 R)
• M51: 12,820,986 km (0.083 R)
• M52: 12,918,823 km (0.109 R)
• M53: 13,213,382 km (0.092 R)
• M54: 13,560,000 km (0.111 R)
• M55: 13,759,414 km (0.05 R)
• M56: 14,085,687 km (0.119 R)
• M57: 14,668,969 km (0.055 R)
• M58: 15,156,807 km (0.083 R)
• M59: 15,441,642 km (0.109 R)
• M60: 16,519,195 km (0.117 R)
• M61: 16,652,188 km (0.111 R)
• M62: 16,812,407 km (0.095 R)
• M63: 17,268,980 km (0.099 R)
• M64: 18,084,587 km (0.115 R)
• M65: 18,386,775 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.5

Radius: 12.7

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.62 AU - 4.9 AU

Year: 6813 Days

Day: 9.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 144.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 46,210,138 km

• M1: 168,447 km (0.106 R)
• M2: 543,788 km (0.116 R)
• M3: 1,479,972 km (0.112 R)
• M4: 1,704,069 km (0.064 R)
• M5: 2,254,739 km (0.06 R)
• M6: 2,586,846 km (0.101 R)
• M7: 2,909,230 km (0.096 R)
• M8: 3,244,927 km (0.113 R)
• M9: 4,095,391 km (0.082 R)
• M10: 4,296,900 km (0.115 R)
• M11: 4,472,079 km (0.051 R)
• M12: 4,560,641 km (0.103 R)
• M13: 4,649,801 km (0.092 R)
• M14: 5,012,277 km (0.076 R)
• M15: 5,541,554 km (0.05 R)
• M16: 5,893,707 km (0.066 R)
• M17: 6,286,103 km (0.092 R)
• M18: 6,385,585 km (0.069 R)
• M19: 6,720,984 km (0.072 R)
• M20: 7,027,809 km (0.104 R)
• M21: 7,234,852 km (0.039 R)
• M22: 8,228,182 km (0.102 R)
• M23: 8,963,755 km (0.109 R)
• M24: 9,188,600 km (0.093 R)
• M25: 9,453,239 km (0.061 R)
• M26: 9,758,867 km (0.098 R)
• M27: 9,990,146 km (0.084 R)
• M28: 10,106,533 km (0.089 R)
• M29: 10,419,043 km (0.048 R)
• M30: 10,615,914 km (0.07 R)
• M31: 10,814,131 km (0.112 R)
• M32: 11,578,426 km (0.03 R)
• M33: 13,329,469 km (0.07 R)
• M34: 13,844,834 km (0.07 R)
• M35: 14,498,278 km (0.099 R)
• M36: 15,028,153 km (0.1 R)
• M37: 15,340,364 km (0.095 R)
• M38: 16,518,298 km (0.071 R)
• M39: 17,025,584 km (0.092 R)
• M40: 17,631,455 km (0.054 R)
• M41: 18,292,080 km (0.074 R)
• M42: 18,720,977 km (0.093 R)
• M43: 19,153,165 km (0.105 R)
• M44: 19,832,190 km (0.044 R)
• M45: 20,076,483 km (0.031 R)
• M46: 20,914,979 km (0.043 R)
• M47: 22,118,045 km (0.111 R)
• M48: 22,677,092 km (0.106 R)
• M49: 22,983,918 km (0.1 R)
• M50: 23,137,854 km (0.111 R)
• M51: 23,292,089 km (0.114 R)
• M52: 23,446,773 km (0.113 R)
• M53: 23,601,757 km (0.114 R)
• M54: 24,120,712 km (0.037 R)
• M55: 24,224,982 km (0.099 R)
• M56: 25,064,525 km (0.085 R)
• M57: 25,328,864 km (0.041 R)
• M58: 25,540,844 km (0.036 R)
• M59: 25,966,899 km (0.12 R)
• M60: 26,127,268 km (0.109 R)
• M61: 26,287,936 km (0.068 R)
• M62: 26,772,035 km (0.104 R)
• M63: 28,186,932 km (0.045 R)
• M64: 28,461,743 km (0.065 R)
• M65: 28,682,400 km (0.108 R)
• M66: 29,014,208 km (0.097 R)
• M67: 32,287,708 km (0.071 R)
• M68: 32,806,065 km (0.096 R)
• M69: 33,037,343 km (0.112 R)
• M70: 34,436,233 km (0.051 R)
• M71: 35,498,228 km (0.048 R)
• M72: 36,870,789 km (0.065 R)
• M73: 37,533,358 km (0.066 R)
• M74: 37,714,670 km (0.114 R)
• M75: 38,017,606 km (0.118 R)
• M76: 38,199,816 km (0.074 R)
• M77: 38,382,326 km (0.064 R)
• M78: 39,729,155 km (0.119 R)
• M79: 41,340,773 km (0.034 R)

Asteroid Belt

Center: 5.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592

Radius: 15

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.92 AU - 5.92 AU

Year: 8278 Days

Day: 10.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 46,210,138 km

• M1: 196,721 km (0.062 R)
• M2: 291,417 km (0.039 R)
• M3: 594,801 km (0.098 R)
• M4: 820,096 km (0.086 R)
• M5: 928,554 km (0.12 R)
• M6: 1,093,112 km (0.066 R)
• M7: 1,304,493 km (0.108 R)
• M8: 1,608,476 km (0.098 R)
• M9: 2,064,451 km (0.066 R)
• M10: 2,262,817 km (0.065 R)
• M11: 2,375,913 km (0.111 R)
• M12: 3,220,693 km (0.089 R)
• M13: 3,400,509 km (0.099 R)
• M14: 3,716,460 km (0.041 R)
• M15: 3,905,252 km (0.057 R)
• M16: 4,152,837 km (0.104 R)
• M17: 4,264,587 km (0.044 R)
• M18: 4,548,374 km (0.105 R)
• M19: 5,015,418 km (0.105 R)
• M20: 5,498,171 km (0.091 R)
• M21: 5,652,107 km (0.112 R)
• M22: 6,935,208 km (0.095 R)
• M23: 7,202,389 km (0.113 R)
• M24: 8,447,044 km (0.12 R)
• M25: 9,276,863 km (0.095 R)
• M26: 9,423,918 km (0.096 R)
• M27: 9,683,021 km (0.105 R)
• M28: 9,907,119 km (0.084 R)
• M29: 10,936,502 km (0.108 R)
• M30: 11,169,875 km (0.092 R)
• M31: 13,013,818 km (0.071 R)
• M32: 13,344,130 km (0.107 R)
• M33: 13,928,908 km (0.051 R)
• M34: 14,097,505 km (0.099 R)
• M35: 14,436,793 km (0.112 R)
• M36: 14,650,119 km (0.092 R)
• M37: 16,217,756 km (0.108 R)
• M38: 17,292,167 km (0.103 R)
• M39: 17,609,913 km (0.1 R)
• M40: 18,297,316 km (0.079 R)
• M41: 18,435,843 km (0.05 R)
• M42: 18,574,820 km (0.08 R)
• M43: 19,745,872 km (0.042 R)
• M44: 21,085,670 km (0.047 R)
• M45: 21,328,019 km (0.12 R)
• M46: 21,864,477 km (0.079 R)
• M47: 23,651,124 km (0.118 R)
• M48: 23,802,068 km (0.075 R)
• M49: 23,953,461 km (0.081 R)
• M50: 25,175,526 km (0.115 R)
• M51: 25,381,224 km (0.065 R)
• M52: 25,484,296 km (0.086 R)
• M53: 25,742,502 km (0.064 R)
• M54: 26,889,020 km (0.034 R)
• M55: 27,999,037 km (0.104 R)
• M56: 28,212,064 km (0.097 R)
• M57: 28,693,620 km (0.078 R)
• M58: 28,801,031 km (0.038 R)
• M59: 29,231,873 km (0.063 R)
• M60: 29,393,887 km (0.111 R)
• M61: 29,990,932 km (0.071 R)
• M62: 32,139,607 km (0.097 R)
• M63: 33,260,693 km (0.059 R)
• M64: 34,451,642 km (0.04 R)
• M65: 34,565,785 km (0.114 R)
• M66: 35,138,445 km (0.056 R)
• M67: 35,656,652 km (0.091 R)
• M68: 36,467,473 km (0.087 R)
• M69: 37,754,164 km (0.092 R)
• M70: 38,048,722 km (0.107 R)
• M71: 38,462,211 km (0.045 R)
• M72: 38,639,933 km (0.118 R)
• M73: 39,532,584 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.4

Radius: 3.2

Gravity: 30.51 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.85 AU - 8.55 AU

Year: 14017 Days

Day: 21 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 46,210,138 km

• M1: 41,289 km (0.044 R)
• M2: 100,530 km (0.066 R)
• M3: 124,615 km (0.066 R)
• M4: 329,265 km (0.086 R)
• M5: 381,774 km (0.093 R)
• M6: 769,831 km (0.047 R)
• M7: 876,644 km (0.117 R)
• M8: 969,245 km (0.076 R)
• M9: 1,084,585 km (0.116 R)
• M10: 1,328,130 km (0.092 R)
• M11: 1,434,644 km (0.077 R)
• M12: 1,565,991 km (0.108 R)
• M13: 1,655,749 km (0.1 R)
• M14: 1,863,840 km (0.054 R)
• M15: 2,203,876 km (0.103 R)
• M16: 2,253,991 km (0.076 R)
• M17: 2,432,461 km (0.074 R)
• M18: 2,589,090 km (0.105 R)
• M19: 2,966,975 km (0.1 R)
• M20: 2,994,650 km (0.107 R)
• M21: 3,022,475 km (0.106 R)
• M22: 3,362,063 km (0.066 R)
• M23: 3,683,848 km (0.08 R)
• M24: 3,924,102 km (0.108 R)
• M25: 4,138,475 km (0.097 R)
• M26: 4,200,409 km (0.12 R)
• M27: 4,804,036 km (0.062 R)
• M28: 5,132,553 km (0.104 R)
• M29: 5,333,164 km (0.052 R)
• M30: 7,362,310 km (0.114 R)
• M31: 7,970,275 km (0.117 R)
• M32: 8,008,872 km (0.096 R)
• M33: 8,832,109 km (0.097 R)
• M34: 9,314,562 km (0.037 R)
• M35: 9,599,995 km (0.089 R)
• M36: 9,846,831 km (0.046 R)
• M37: 11,983,837 km (0.07 R)
• M38: 12,072,249 km (0.11 R)
• M39: 12,562,032 km (0.065 R)
• M40: 13,013,070 km (0.081 R)
• M41: 15,973,313 km (0.08 R)
• M42: 17,004,192 km (0.077 R)
• M43: 17,252,823 km (0.113 R)
• M44: 17,502,652 km (0.096 R)
• M45: 17,854,356 km (0.108 R)
• M46: 18,157,741 km (0.088 R)
• M47: 18,872,220 km (0.108 R)
• M48: 19,284,662 km (0.101 R)
• M49: 19,647,885 km (0.082 R)
• M50: 20,013,502 km (0.049 R)
• M51: 20,065,862 km (0.088 R)
• M52: 21,123,369 km (0.095 R)
• M53: 21,874,500 km (0.112 R)
• M54: 22,743,364 km (0.071 R)
• M55: 23,017,278 km (0.1 R)
• M56: 24,012,253 km (0.112 R)
• M57: 24,123,554 km (0.086 R)
• M58: 24,739,449 km (0.115 R)
• M59: 25,303,732 km (0.054 R)
• M60: 25,360,429 km (0.098 R)
• M61: 27,022,163 km (0.081 R)
• M62: 28,423,595 km (0.088 R)
• M63: 28,600,420 km (0.048 R)
• M64: 29,549,768 km (0.11 R)
• M65: 29,669,147 km (0.118 R)
• M66: 29,728,986 km (0.093 R)
• M67: 30,509,439 km (0.102 R)
• M68: 30,750,890 km (0.106 R)
• M69: 32,274,544 km (0.046 R)
• M70: 32,397,513 km (0.029 R)
• M71: 33,573,353 km (0.109 R)
• M72: 33,635,735 km (0.103 R)
• M73: 34,889,215 km (0.11 R)
• M74: 35,458,136 km (0.086 R)
• M75: 35,521,566 km (0.071 R)
• M76: 35,585,145 km (0.094 R)
• M77: 37,119,271 km (0.105 R)
• M78: 37,248,075 km (0.092 R)
• M79: 37,570,757 km (0.1 R)
• M80: 38,544,490 km (0.114 R)
• M81: 39,526,450 km (0.065 R)
• M82: 39,987,511 km (0.057 R)
• M83: 40,251,701 km (0.102 R)
• M84: 41,648,646 km (0.109 R)
• M85: 41,849,406 km (0.068 R)
• M86: 42,050,615 km (0.071 R)
• M87: 43,332,220 km (0.107 R)
• M88: 43,467,756 km (0.115 R)
• M89: 44,079,910 km (0.077 R)
• M90: 44,148,127 km (0.055 R)
• M91: 44,626,391 km (0.064 R)
• M92: 44,900,604 km (0.027 R)
• M93: 45,312,746 km (0.028 R)
• M94: 45,726,235 km (0.119 R)
• M95: 45,864,314 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 12,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit