🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.7 AU - 0.78 AU

Year: 231 Days

Day: 35.9 Hours

Environment

Temp: 199 °C

Axial Tilt: 19.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.84 AU - 1.14 AU

Year: 358 Days

Day: 20.6 Hours

Environment

Temp: 19 °C

Axial Tilt: 11.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.07 AU - 1.41 AU

Year: 502 Days

Day: 21.4 Hours

Environment

Temp: -3 °C

Axial Tilt: 27.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.09 AU - 1.59 AU

Year: 564 Days

Day: 27.4 Hours

Environment

Temp: 8 °C

Axial Tilt: 31.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.25 AU - 2.97 AU

Year: 1532 Days

Day: 27.3 Hours

Environment

Temp: -96 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.2

Radius: 14.7

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.35 AU - 8.77 AU

Year: 9102 Days

Day: 8.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 96,173,577 km

• M1: 190,288 km (0.083 R)
• M2: 328,667 km (0.111 R)
• M3: 455,526 km (0.088 R)
• M4: 729,888 km (0.099 R)
• M5: 1,020,706 km (0.063 R)
• M6: 1,335,011 km (0.107 R)
• M7: 1,457,233 km (0.101 R)
• M8: 1,567,486 km (0.116 R)
• M9: 1,899,145 km (0.091 R)
• M10: 2,271,793 km (0.088 R)
• M11: 2,457,743 km (0.119 R)
• M12: 2,571,737 km (0.091 R)
• M13: 2,845,052 km (0.083 R)
• M14: 3,273,052 km (0.039 R)
• M15: 3,656,322 km (0.044 R)
• M16: 3,897,922 km (0.041 R)
• M17: 4,868,364 km (0.077 R)
• M18: 5,405,869 km (0.045 R)
• M19: 5,505,650 km (0.105 R)
• M20: 5,631,163 km (0.089 R)
• M21: 5,783,304 km (0.109 R)
• M22: 6,117,506 km (0.062 R)
• M23: 6,431,661 km (0.111 R)
• M24: 7,185,335 km (0.094 R)
• M25: 8,138,124 km (0.101 R)
• M26: 8,425,950 km (0.068 R)
• M27: 8,542,038 km (0.098 R)
• M28: 8,864,123 km (0.035 R)
• M29: 9,100,936 km (0.101 R)
• M30: 9,823,793 km (0.058 R)
• M31: 9,976,682 km (0.101 R)
• M32: 10,099,651 km (0.055 R)
• M33: 10,315,970 km (0.066 R)
• M34: 10,879,505 km (0.073 R)
• M35: 11,228,816 km (0.117 R)
• M36: 11,517,390 km (0.099 R)
• M37: 11,678,807 km (0.104 R)
• M38: 12,036,495 km (0.117 R)
• M39: 12,331,801 km (0.119 R)
• M40: 12,596,440 km (0.03 R)
• M41: 13,030,423 km (0.041 R)
• M42: 13,299,849 km (0.047 R)
• M43: 13,435,385 km (0.062 R)
• M44: 13,673,545 km (0.104 R)
• M45: 13,844,535 km (0.09 R)
• M46: 15,061,364 km (0.045 R)
• M47: 15,308,799 km (0.095 R)
• M48: 15,700,446 km (0.105 R)
• M49: 16,312,152 km (0.104 R)
• M50: 16,858,483 km (0.109 R)
• M51: 17,262,996 km (0.044 R)
• M52: 17,782,400 km (0.072 R)
• M53: 18,006,647 km (0.068 R)
• M54: 18,156,544 km (0.094 R)
• M55: 18,571,229 km (0.054 R)
• M56: 18,722,772 km (0.086 R)
• M57: 19,141,646 km (0.119 R)
• M58: 19,256,537 km (0.102 R)
• M59: 19,371,428 km (0.031 R)
• M60: 20,338,878 km (0.107 R)
• M61: 21,401,322 km (0.025 R)
• M62: 21,520,551 km (0.116 R)
• M63: 22,441,476 km (0.091 R)
• M64: 23,457,096 km (0.103 R)
• M65: 23,580,065 km (0.105 R)
• M66: 23,991,160 km (0.109 R)
• M67: 24,197,755 km (0.103 R)
• M68: 24,737,354 km (0.098 R)
• M69: 25,071,406 km (0.095 R)
• M70: 25,617,439 km (0.114 R)
• M71: 25,828,521 km (0.113 R)
• M72: 27,107,134 km (0.063 R)
• M73: 28,057,829 km (0.119 R)
• M74: 28,712,319 km (0.067 R)
• M75: 29,371,896 km (0.107 R)
• M76: 29,592,852 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.4

Radius: 9.7

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 9.41 AU - 9.51 AU

Year: 10575 Days

Day: 8.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 96,173,577 km

• M1: 121,623 km (0.086 R)
• M2: 192,233 km (0.111 R)
• M3: 534,513 km (0.096 R)
• M4: 657,632 km (0.085 R)
• M5: 729,140 km (0.05 R)
• M6: 1,246,001 km (0.06 R)
• M7: 1,525,300 km (0.064 R)
• M8: 1,622,838 km (0.084 R)
• M9: 1,722,619 km (0.12 R)
• M10: 1,841,699 km (0.102 R)
• M11: 2,016,579 km (0.096 R)
• M12: 2,160,642 km (0.074 R)
• M13: 2,364,245 km (0.116 R)
• M14: 2,810,196 km (0.087 R)
• M15: 3,053,442 km (0.096 R)
• M16: 3,198,552 km (0.071 R)
• M17: 3,324,663 km (0.03 R)
• M18: 3,452,569 km (0.033 R)
• M19: 3,691,327 km (0.119 R)
• M20: 3,868,302 km (0.053 R)
• M21: 3,980,351 km (0.055 R)
• M22: 4,048,118 km (0.058 R)
• M23: 4,207,889 km (0.102 R)
• M24: 4,675,532 km (0.114 R)
• M25: 4,940,021 km (0.054 R)
• M26: 5,533,775 km (0.098 R)
• M27: 5,634,903 km (0.059 R)
• M28: 7,087,648 km (0.072 R)
• M29: 7,615,280 km (0.043 R)
• M30: 7,926,593 km (0.082 R)
• M31: 8,098,182 km (0.069 R)
• M32: 8,415,927 km (0.115 R)
• M33: 9,033,767 km (0.091 R)
• M34: 9,819,155 km (0.105 R)
• M35: 10,438,042 km (0.076 R)
• M36: 10,847,192 km (0.103 R)
• M37: 10,910,622 km (0.106 R)
• M38: 11,197,401 km (0.045 R)
• M39: 11,551,499 km (0.118 R)
• M40: 11,811,201 km (0.099 R)
• M41: 12,936,775 km (0.118 R)
• M42: 13,717,526 km (0.037 R)
• M43: 14,165,572 km (0.087 R)
• M44: 14,269,542 km (0.114 R)
• M45: 14,618,405 km (0.074 R)
• M46: 14,934,655 km (0.095 R)
• M47: 15,861,114 km (0.101 R)
• M48: 16,005,327 km (0.073 R)
• M49: 16,513,361 km (0.054 R)
• M50: 16,732,821 km (0.099 R)
• M51: 17,359,636 km (0.062 R)
• M52: 17,433,837 km (0.114 R)
• M53: 17,731,985 km (0.116 R)
• M54: 18,106,877 km (0.095 R)
• M55: 18,257,672 km (0.083 R)
• M56: 18,864,740 km (0.062 R)
• M57: 18,979,332 km (0.099 R)
• M58: 19,516,987 km (0.088 R)
• M59: 19,826,505 km (0.093 R)
• M60: 20,098,624 km (0.117 R)
• M61: 20,804,127 km (0.062 R)
• M62: 21,160,020 km (0.088 R)
• M63: 21,557,652 km (0.094 R)
• M64: 21,957,826 km (0.049 R)
• M65: 22,199,127 km (0.093 R)
• M66: 23,788,904 km (0.116 R)
• M67: 24,036,787 km (0.05 R)
• M68: 24,327,007 km (0.104 R)
• M69: 24,618,424 km (0.102 R)
• M70: 24,911,037 km (0.068 R)
• M71: 26,519,215 km (0.069 R)
• M72: 27,077,065 km (0.096 R)
• M73: 28,160,602 km (0.117 R)
• M74: 28,379,165 km (0.104 R)
• M75: 28,466,680 km (0.09 R)
• M76: 28,993,713 km (0.065 R)
• M77: 29,302,633 km (0.109 R)
• M78: 29,435,475 km (0.082 R)
• M79: 29,745,891 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.4

Radius: 11.1

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.53 AU - 12.33 AU

Year: 11372 Days

Day: 12 Hours

Environment

Temp: -175 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 96,173,577 km

• M1: 141,669 km (0.066 R)
• M2: 211,681 km (0.058 R)
• M3: 335,847 km (0.112 R)
• M4: 423,212 km (0.094 R)
• M5: 507,735 km (0.056 R)
• M6: 817,253 km (0.117 R)
• M7: 928,105 km (0.09 R)
• M8: 1,166,115 km (0.094 R)
• M9: 1,462,319 km (0.108 R)
• M10: 1,599,500 km (0.063 R)
• M11: 1,929,813 km (0.119 R)
• M12: 2,559,021 km (0.057 R)
• M13: 2,630,080 km (0.096 R)
• M14: 2,701,887 km (0.117 R)
• M15: 3,197,355 km (0.077 R)
• M16: 3,429,681 km (0.107 R)
• M17: 4,215,668 km (0.078 R)
• M18: 4,585,773 km (0.061 R)
• M19: 5,115,649 km (0.076 R)
• M20: 5,915,249 km (0.073 R)
• M21: 6,622,099 km (0.085 R)
• M22: 6,885,840 km (0.069 R)
• M23: 7,732,265 km (0.029 R)
• M24: 8,433,131 km (0.092 R)
• M25: 8,899,428 km (0.059 R)
• M26: 9,559,154 km (0.07 R)
• M27: 9,970,100 km (0.068 R)
• M28: 10,539,768 km (0.108 R)
• M29: 11,830,200 km (0.088 R)
• M30: 12,150,489 km (0.108 R)
• M31: 12,230,972 km (0.1 R)
• M32: 13,501,956 km (0.047 R)
• M33: 13,585,431 km (0.077 R)
• M34: 13,668,907 km (0.073 R)
• M35: 15,029,948 km (0.076 R)
• M36: 15,377,016 km (0.111 R)
• M37: 16,211,622 km (0.078 R)
• M38: 17,196,574 km (0.102 R)
• M39: 18,062,597 km (0.095 R)
• M40: 18,154,599 km (0.113 R)
• M41: 18,385,279 km (0.111 R)
• M42: 18,524,256 km (0.055 R)
• M43: 18,989,655 km (0.089 R)
• M44: 19,647,736 km (0.099 R)
• M45: 19,742,431 km (0.091 R)
• M46: 20,217,853 km (0.093 R)
• M47: 20,648,994 km (0.093 R)
• M48: 20,938,017 km (0.065 R)
• M49: 22,552,029 km (0.071 R)
• M50: 23,399,052 km (0.09 R)
• M51: 23,599,962 km (0.116 R)
• M52: 24,205,833 km (0.092 R)
• M53: 24,663,603 km (0.102 R)
• M54: 25,432,835 km (0.097 R)
• M55: 25,794,562 km (0.099 R)
• M56: 26,106,025 km (0.062 R)
• M57: 26,366,475 km (0.099 R)
• M58: 27,787,804 km (0.047 R)
• M59: 27,894,169 km (0.096 R)
• M60: 29,558,594 km (0.087 R)
• M61: 29,939,022 km (0.104 R)
• M62: 30,594,709 km (0.065 R)
• M63: 32,198,997 km (0.078 R)
• M64: 32,422,347 km (0.111 R)
• M65: 32,814,592 km (0.099 R)
• M66: 32,926,940 km (0.12 R)
• M67: 33,264,882 km (0.07 R)
• M68: 33,603,870 km (0.056 R)
• M69: 34,285,289 km (0.068 R)
• M70: 34,570,422 km (0.095 R)
• M71: 34,971,195 km (0.105 R)
• M72: 36,589,395 km (0.068 R)
• M73: 38,468,494 km (0.051 R)
• M74: 39,360,097 km (0.084 R)
• M75: 39,599,005 km (0.057 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.5

Radius: 14.5

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 10.48 AU - 13.94 AU

Year: 15506 Days

Day: 10.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 96,173,577 km

• M1: 258,056 km (0.088 R)
• M2: 410,497 km (0.096 R)
• M3: 534,663 km (0.1 R)
• M4: 801,994 km (0.106 R)
• M5: 1,032,824 km (0.03 R)
• M6: 1,216,979 km (0.091 R)
• M7: 1,376,300 km (0.109 R)
• M8: 1,600,248 km (0.083 R)
• M9: 1,796,371 km (0.039 R)
• M10: 1,897,649 km (0.096 R)
• M11: 2,084,796 km (0.089 R)
• M12: 2,800,622 km (0.054 R)
• M13: 3,718,105 km (0.118 R)
• M14: 4,610,307 km (0.113 R)
• M15: 5,358,895 km (0.068 R)
• M16: 5,777,919 km (0.085 R)
• M17: 5,960,727 km (0.034 R)
• M18: 6,871,629 km (0.111 R)
• M19: 7,425,889 km (0.096 R)
• M20: 7,792,254 km (0.107 R)
• M21: 8,164,753 km (0.095 R)
• M22: 8,267,227 km (0.092 R)
• M23: 8,751,775 km (0.083 R)
• M24: 8,926,954 km (0.105 R)
• M25: 9,103,479 km (0.1 R)
• M26: 9,209,843 km (0.073 R)
• M27: 10,260,170 km (0.112 R)
• M28: 10,780,920 km (0.077 R)
• M29: 11,501,383 km (0.118 R)
• M30: 11,848,002 km (0.073 R)
• M31: 12,003,284 km (0.112 R)
• M32: 12,473,022 km (0.046 R)
• M33: 12,789,571 km (0.055 R)
• M34: 13,511,530 km (0.099 R)
• M35: 14,123,385 km (0.035 R)
• M36: 14,911,317 km (0.094 R)
• M37: 15,121,054 km (0.113 R)
• M38: 15,416,360 km (0.101 R)
• M39: 16,703,350 km (0.095 R)
• M40: 18,069,478 km (0.117 R)
• M41: 18,293,276 km (0.099 R)
• M42: 18,427,915 km (0.078 R)
• M43: 19,379,806 km (0.081 R)
• M44: 19,884,848 km (0.109 R)
• M45: 20,254,953 km (0.116 R)
• M46: 20,394,229 km (0.096 R)
• M47: 22,234,732 km (0.109 R)
• M48: 22,570,728 km (0.068 R)
• M49: 22,908,371 km (0.1 R)
• M50: 23,442,435 km (0.113 R)
• M51: 23,588,742 km (0.12 R)
• M52: 23,931,471 km (0.107 R)
• M53: 25,418,773 km (0.091 R)
• M54: 25,569,118 km (0.028 R)
• M55: 26,123,079 km (0.101 R)
• M56: 26,782,806 km (0.057 R)
• M57: 27,756,987 km (0.082 R)
• M58: 27,963,432 km (0.112 R)
• M59: 28,222,386 km (0.096 R)
• M60: 30,269,334 km (0.118 R)
• M61: 33,951,237 km (0.112 R)
• M62: 34,504,599 km (0.082 R)
• M63: 36,351,684 km (0.08 R)
• M64: 36,634,275 km (0.046 R)
• M65: 37,600,826 km (0.104 R)
• M66: 38,403,120 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.6

Radius: 6.7

Gravity: 20.89 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 14.46 AU - 18.48 AU

Year: 24292 Days

Day: 24.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 96,173,577 km

• M1: 107,561 km (0.117 R)
• M2: 633,397 km (0.111 R)
• M3: 1,062,444 km (0.09 R)
• M4: 2,096,614 km (0.067 R)
• M5: 2,464,625 km (0.096 R)
• M6: 3,306,113 km (0.108 R)
• M7: 3,352,638 km (0.093 R)
• M8: 3,733,364 km (0.09 R)
• M9: 4,535,359 km (0.071 R)
• M10: 4,796,706 km (0.049 R)
• M11: 5,499,068 km (0.109 R)
• M12: 5,777,619 km (0.119 R)
• M13: 7,916,121 km (0.076 R)
• M14: 8,104,315 km (0.087 R)
• M15: 9,662,676 km (0.086 R)
• M16: 9,863,885 km (0.108 R)
• M17: 10,407,225 km (0.107 R)
• M18: 10,821,012 km (0.083 R)
• M19: 13,191,690 km (0.106 R)
• M20: 13,564,338 km (0.106 R)
• M21: 13,639,436 km (0.106 R)
• M22: 14,016,273 km (0.107 R)
• M23: 14,626,483 km (0.109 R)
• M24: 14,857,462 km (0.053 R)
• M25: 15,557,879 km (0.104 R)
• M26: 16,748,828 km (0.111 R)
• M27: 17,640,880 km (0.102 R)
• M28: 17,886,819 km (0.066 R)
• M29: 18,465,015 km (0.115 R)
• M30: 18,548,191 km (0.114 R)
• M31: 19,049,494 km (0.103 R)
• M32: 19,217,492 km (0.106 R)
• M33: 19,301,716 km (0.112 R)
• M34: 19,639,956 km (0.091 R)
• M35: 20,407,842 km (0.085 R)
• M36: 21,098,835 km (0.12 R)
• M37: 21,447,099 km (0.089 R)
• M38: 21,534,464 km (0.089 R)
• M39: 25,494,469 km (0.114 R)
• M40: 28,224,181 km (0.056 R)
• M41: 28,607,900 km (0.041 R)
• M42: 29,866,916 km (0.118 R)
• M43: 30,257,965 km (0.112 R)
• M44: 31,144,033 km (0.118 R)
• M45: 31,441,284 km (0.032 R)
• M46: 33,244,237 km (0.098 R)
• M47: 34,567,281 km (0.079 R)
• M48: 39,384,631 km (0.098 R)
• M49: 43,519,517 km (0.112 R)
• M50: 43,630,219 km (0.106 R)
• M51: 48,132,965 km (0.08 R)
• M52: 48,591,333 km (0.079 R)
• M53: 48,706,075 km (0.111 R)
• M54: 51,254,774 km (0.107 R)
• M55: 51,957,285 km (0.111 R)
• M56: 52,545,205 km (0.071 R)
• M57: 55,517,715 km (0.096 R)
• M58: 57,448,574 km (0.069 R)
• M59: 57,569,898 km (0.11 R)
• M60: 58,178,313 km (0.091 R)
• M61: 58,666,451 km (0.083 R)
• M62: 59,033,564 km (0.047 R)
• M63: 60,632,765 km (0.036 R)
• M64: 61,499,834 km (0.062 R)
• M65: 61,624,000 km (0.107 R)
• M66: 62,620,621 km (0.042 R)
• M67: 62,745,536 km (0.112 R)
• M68: 63,999,615 km (0.099 R)
• M69: 64,882,392 km (0.079 R)
• M70: 65,008,802 km (0.106 R)
• M71: 65,261,921 km (0.047 R)
• M72: 67,170,790 km (0.106 R)
• M73: 68,324,938 km (0.098 R)
• M74: 69,097,910 km (0.092 R)
• M75: 69,485,518 km (0.112 R)
• M76: 70,392,680 km (0.107 R)
• M77: 72,612,263 km (0.088 R)
• M78: 73,269,447 km (0.086 R)
• M79: 73,401,093 km (0.084 R)
• M80: 74,060,520 km (0.081 R)
• M81: 74,192,765 km (0.108 R)
• M82: 74,325,009 km (0.055 R)
• M83: 75,518,501 km (0.118 R)
• M84: 76,985,757 km (0.086 R)
• M85: 78,462,438 km (0.094 R)
• M86: 80,763,103 km (0.067 R)
• M87: 83,360,272 km (0.066 R)
• M88: 83,497,752 km (0.111 R)
• M89: 83,773,012 km (0.085 R)
• M90: 85,014,824 km (0.1 R)
• M91: 85,153,202 km (0.102 R)
• M92: 89,338,801 km (0.077 R)
• M93: 89,901,888 km (0.093 R)
• M94: 90,890,281 km (0.093 R)
• M95: 94,449,214 km (0.113 R)
• M96: 95,310,000 km (0.101 R)

Kuiper Belt

Range: 30.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 14,725 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit