🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.83 AU - 1.35 AU

Year: 483 Days

Day: 17.6 Hours

Environment

Temp: -62 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.52 AU - 2.22 AU

Year: 1086 Days

Day: 44.4 Hours

Environment

Temp: -97 °C

Axial Tilt: 43.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.71 AU - 2.13 AU

Year: 1130 Days

Day: 40.3 Hours

Environment

Temp: -110 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.7

Radius: 10.3

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.38 AU - 3.42 AU

Year: 2097 Days

Day: 5.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 87,975,630 km

• M1: 140,921 km (0.116 R)
• M2: 244,892 km (0.09 R)
• M3: 309,817 km (0.103 R)
• M4: 390,301 km (0.058 R)
• M5: 516,711 km (0.094 R)
• M6: 888,312 km (0.081 R)
• M7: 974,032 km (0.097 R)
• M8: 1,052,571 km (0.028 R)
• M9: 1,143,825 km (0.119 R)
• M10: 1,323,792 km (0.096 R)
• M11: 1,467,854 km (0.11 R)
• M12: 1,536,221 km (0.085 R)
• M13: 1,676,095 km (0.101 R)
• M14: 1,796,072 km (0.075 R)
• M15: 1,931,458 km (0.11 R)
• M16: 2,212,553 km (0.119 R)
• M17: 2,278,376 km (0.065 R)
• M18: 2,561,864 km (0.111 R)
• M19: 2,686,927 km (0.088 R)
• M20: 2,771,301 km (0.1 R)
• M21: 2,871,082 km (0.12 R)
• M22: 3,044,915 km (0.112 R)
• M23: 3,372,684 km (0.081 R)
• M24: 3,464,088 km (0.091 R)
• M25: 3,540,832 km (0.069 R)
• M26: 3,853,940 km (0.058 R)
• M27: 3,997,704 km (0.039 R)
• M28: 4,356,739 km (0.07 R)
• M29: 4,709,341 km (0.03 R)
• M30: 5,352,761 km (0.045 R)
• M31: 5,931,705 km (0.112 R)
• M32: 6,060,958 km (0.077 R)
• M33: 6,266,056 km (0.114 R)
• M34: 6,798,625 km (0.088 R)
• M35: 7,070,295 km (0.092 R)
• M36: 7,187,878 km (0.118 R)
• M37: 7,325,808 km (0.116 R)
• M38: 7,664,497 km (0.113 R)
• M39: 7,805,568 km (0.034 R)
• M40: 7,927,042 km (0.089 R)
• M41: 8,151,588 km (0.076 R)
• M42: 8,274,857 km (0.028 R)
• M43: 9,520,558 km (0.08 R)
• M44: 9,628,717 km (0.031 R)
• M45: 9,999,870 km (0.055 R)
• M46: 10,309,088 km (0.05 R)
• M47: 10,666,179 km (0.106 R)
• M48: 10,891,623 km (0.108 R)
• M49: 11,050,196 km (0.065 R)
• M50: 11,762,133 km (0.072 R)
• M51: 11,925,045 km (0.097 R)
• M52: 12,276,450 km (0.111 R)
• M53: 12,631,296 km (0.1 R)
• M54: 12,917,627 km (0.039 R)
• M55: 13,085,625 km (0.051 R)
• M56: 13,326,926 km (0.038 R)
• M57: 13,642,877 km (0.09 R)
• M58: 14,084,340 km (0.064 R)
• M59: 14,257,275 km (0.113 R)
• M60: 14,805,402 km (0.065 R)
• M61: 14,981,329 km (0.034 R)
• M62: 15,335,128 km (0.057 R)
• M63: 15,564,013 km (0.117 R)
• M64: 15,666,188 km (0.069 R)
• M65: 16,387,250 km (0.095 R)
• M66: 16,465,041 km (0.101 R)
• M67: 16,569,161 km (0.119 R)
• M68: 17,013,915 km (0.107 R)
• M69: 17,092,754 km (0.114 R)
• M70: 17,250,878 km (0.085 R)
• M71: 17,754,874 km (0.074 R)
• M72: 17,861,537 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.5

Radius: 9.4

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.53 AU - 3.59 AU

Year: 2852 Days

Day: 5.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 87,975,630 km

• M1: 122,521 km (0.074 R)
• M2: 206,894 km (0.063 R)
• M3: 383,419 km (0.105 R)
• M4: 459,265 km (0.095 R)
• M5: 698,024 km (0.098 R)
• M6: 896,390 km (0.079 R)
• M7: 1,011,730 km (0.089 R)
• M8: 1,347,278 km (0.112 R)
• M9: 1,533,079 km (0.066 R)
• M10: 1,683,574 km (0.089 R)
• M11: 1,749,697 km (0.089 R)
• M12: 1,907,223 km (0.04 R)
• M13: 2,334,026 km (0.055 R)
• M14: 2,445,327 km (0.095 R)
• M15: 2,508,008 km (0.116 R)
• M16: 2,622,151 km (0.075 R)
• M17: 2,764,120 km (0.11 R)
• M18: 2,921,796 km (0.103 R)
• M19: 3,042,222 km (0.108 R)
• M20: 3,177,758 km (0.079 R)
• M21: 3,246,423 km (0.113 R)
• M22: 3,469,175 km (0.095 R)
• M23: 3,596,782 km (0.099 R)
• M24: 4,532,815 km (0.107 R)
• M25: 4,735,072 km (0.062 R)
• M26: 5,392,405 km (0.083 R)
• M27: 5,490,990 km (0.109 R)
• M28: 5,723,315 km (0.077 R)
• M29: 6,284,008 km (0.078 R)
• M30: 6,667,577 km (0.109 R)
• M31: 7,022,872 km (0.035 R)
• M32: 7,293,495 km (0.08 R)
• M33: 7,384,450 km (0.107 R)
• M34: 7,475,854 km (0.075 R)
• M35: 7,622,760 km (0.09 R)
• M36: 7,696,511 km (0.071 R)
• M37: 7,807,812 km (0.105 R)
• M38: 7,919,412 km (0.074 R)
• M39: 8,050,460 km (0.074 R)
• M40: 8,144,557 km (0.083 R)
• M41: 8,677,873 km (0.103 R)
• M42: 8,755,066 km (0.111 R)
• M43: 8,910,049 km (0.088 R)
• M44: 9,085,378 km (0.118 R)
• M45: 9,519,062 km (0.079 R)
• M46: 9,578,602 km (0.12 R)
• M47: 9,959,329 km (0.094 R)
• M48: 10,222,770 km (0.093 R)
• M49: 10,344,992 km (0.084 R)
• M50: 10,406,327 km (0.074 R)
• M51: 10,529,446 km (0.059 R)
• M52: 10,653,014 km (0.093 R)
• M53: 10,818,469 km (0.089 R)
• M54: 11,256,941 km (0.093 R)
• M55: 11,616,125 km (0.035 R)
• M56: 12,129,695 km (0.084 R)
• M57: 12,541,687 km (0.074 R)
• M58: 13,112,702 km (0.088 R)
• M59: 13,245,695 km (0.113 R)
• M60: 13,468,296 km (0.111 R)
• M61: 14,394,008 km (0.095 R)
• M62: 14,577,116 km (0.111 R)
• M63: 14,853,124 km (0.112 R)
• M64: 15,457,050 km (0.075 R)
• M65: 15,762,080 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.5

Radius: 12.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.13 AU - 8.71 AU

Year: 10374 Days

Day: 13.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 87,975,630 km

• M1: 176,525 km (0.096 R)
• M2: 407,953 km (0.044 R)
• M3: 578,944 km (0.084 R)
• M4: 667,356 km (0.057 R)
• M5: 826,827 km (0.029 R)
• M6: 1,323,941 km (0.087 R)
• M7: 1,446,312 km (0.105 R)
• M8: 2,212,553 km (0.117 R)
• M9: 2,434,556 km (0.068 R)
• M10: 2,847,446 km (0.102 R)
• M11: 3,008,114 km (0.106 R)
• M12: 3,144,248 km (0.067 R)
• M13: 3,451,372 km (0.1 R)
• M14: 4,004,885 km (0.081 R)
• M15: 4,215,967 km (0.08 R)
• M16: 4,586,372 km (0.103 R)
• M17: 4,903,070 km (0.039 R)
• M18: 4,999,561 km (0.11 R)
• M19: 5,227,099 km (0.062 R)
• M20: 5,558,309 km (0.109 R)
• M21: 6,345,792 km (0.076 R)
• M22: 6,770,650 km (0.068 R)
• M23: 6,986,520 km (0.039 R)
• M24: 8,214,718 km (0.116 R)
• M25: 8,716,769 km (0.099 R)
• M26: 9,548,982 km (0.119 R)
• M27: 11,631,085 km (0.116 R)
• M28: 12,107,404 km (0.072 R)
• M29: 12,369,949 km (0.058 R)
• M30: 12,767,430 km (0.068 R)
• M31: 12,856,291 km (0.119 R)
• M32: 13,711,094 km (0.041 R)
• M33: 14,957,094 km (0.09 R)
• M34: 15,903,450 km (0.082 R)
• M35: 16,191,127 km (0.062 R)
• M36: 16,674,478 km (0.069 R)
• M37: 17,359,038 km (0.103 R)
• M38: 17,506,990 km (0.06 R)
• M39: 17,853,758 km (0.105 R)
• M40: 17,953,240 km (0.064 R)
• M41: 18,654,854 km (0.077 R)
• M42: 18,907,675 km (0.109 R)
• M43: 19,570,094 km (0.045 R)
• M44: 20,188,532 km (0.096 R)
• M45: 20,604,264 km (0.034 R)
• M46: 21,338,790 km (0.036 R)
• M47: 21,603,129 km (0.116 R)
• M48: 22,510,291 km (0.06 R)
• M49: 23,266,658 km (0.109 R)
• M50: 23,811,942 km (0.117 R)
• M51: 23,976,350 km (0.108 R)
• M52: 24,471,968 km (0.094 R)
• M53: 24,748,724 km (0.096 R)
• M54: 26,374,553 km (0.051 R)
• M55: 26,544,796 km (0.047 R)
• M56: 27,057,468 km (0.117 R)
• M57: 27,688,471 km (0.074 R)
• M58: 27,919,151 km (0.091 R)
• M59: 28,498,694 km (0.094 R)
• M60: 28,731,617 km (0.07 R)
• M61: 30,796,517 km (0.116 R)
• M62: 31,155,253 km (0.084 R)
• M63: 31,395,208 km (0.084 R)
• M64: 32,118,812 km (0.057 R)
• M65: 32,300,574 km (0.032 R)
• M66: 32,847,952 km (0.083 R)
• M67: 34,013,469 km (0.116 R)
• M68: 34,632,206 km (0.119 R)
• M69: 35,192,450 km (0.036 R)
• M70: 35,630,174 km (0.085 R)
• M71: 36,258,784 km (0.098 R)
• M72: 36,764,126 km (0.093 R)
• M73: 37,081,273 km (0.097 R)
• M74: 37,782,139 km (0.061 R)
• M75: 38,102,129 km (0.096 R)
• M76: 41,549,163 km (0.093 R)
• M77: 41,747,231 km (0.118 R)
• M78: 42,144,263 km (0.09 R)
• M79: 42,276,957 km (0.069 R)
• M80: 42,409,800 km (0.111 R)
• M81: 42,742,356 km (0.032 R)
• M82: 43,209,400 km (0.09 R)
• M83: 43,477,031 km (0.101 R)
• M84: 43,879,599 km (0.067 R)
• M85: 44,959,097 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515.4

Radius: 3.3

Gravity: 47.33 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 11.2 AU - 14.72 AU

Year: 19810 Days

Day: 22.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 87,975,630 km

• M1: 65,374 km (0.12 R)
• M2: 250,128 km (0.086 R)
• M3: 416,181 km (0.072 R)
• M4: 452,982 km (0.079 R)
• M5: 490,980 km (0.031 R)
• M6: 1,206,357 km (0.102 R)
• M7: 1,567,038 km (0.097 R)
• M8: 2,279,872 km (0.112 R)
• M9: 2,617,065 km (0.062 R)
• M10: 3,078,275 km (0.095 R)
• M11: 3,225,180 km (0.103 R)
• M12: 3,336,930 km (0.071 R)
• M13: 3,954,021 km (0.088 R)
• M14: 4,113,642 km (0.094 R)
• M15: 4,943,462 km (0.078 R)
• M16: 5,777,769 km (0.038 R)
• M17: 5,822,798 km (0.076 R)
• M18: 6,280,418 km (0.098 R)
• M19: 6,373,318 km (0.098 R)
• M20: 7,132,677 km (0.101 R)
• M21: 8,734,870 km (0.089 R)
• M22: 8,838,691 km (0.111 R)
• M23: 9,416,288 km (0.116 R)
• M24: 9,522,652 km (0.108 R)
• M25: 11,503,478 km (0.099 R)
• M26: 11,788,312 km (0.076 R)
• M27: 12,365,162 km (0.089 R)
• M28: 12,598,385 km (0.119 R)
• M29: 13,010,078 km (0.043 R)
• M30: 13,426,110 km (0.064 R)
• M31: 14,210,451 km (0.083 R)
• M32: 15,886,097 km (0.092 R)
• M33: 16,076,086 km (0.076 R)
• M34: 16,715,019 km (0.088 R)
• M35: 17,037,402 km (0.1 R)
• M36: 17,623,078 km (0.056 R)
• M37: 17,951,445 km (0.037 R)
• M38: 18,215,336 km (0.097 R)
• M39: 19,419,300 km (0.07 R)
• M40: 19,487,067 km (0.098 R)
• M41: 19,758,288 km (0.1 R)
• M42: 20,167,738 km (0.104 R)
• M43: 20,304,769 km (0.105 R)
• M44: 20,373,435 km (0.102 R)
• M45: 20,579,880 km (0.107 R)
• M46: 20,717,809 km (0.088 R)
• M47: 20,786,923 km (0.064 R)
• M48: 21,064,128 km (0.099 R)
• M49: 21,412,392 km (0.098 R)
• M50: 22,468,553 km (0.098 R)
• M51: 22,753,088 km (0.05 R)
• M52: 24,850,899 km (0.094 R)
• M53: 25,292,662 km (0.093 R)
• M54: 25,662,767 km (0.116 R)
• M55: 25,811,317 km (0.093 R)
• M56: 26,034,667 km (0.096 R)
• M57: 27,920,498 km (0.109 R)
• M58: 28,302,870 km (0.106 R)
• M59: 28,995,658 km (0.12 R)
• M60: 29,382,967 km (0.105 R)
• M61: 29,460,608 km (0.093 R)
• M62: 30,319,300 km (0.098 R)
• M63: 30,870,119 km (0.026 R)
• M64: 31,265,506 km (0.108 R)
• M65: 31,742,125 km (0.113 R)
• M66: 34,488,592 km (0.119 R)
• M67: 35,558,516 km (0.115 R)
• M68: 36,974,161 km (0.077 R)
• M69: 37,730,977 km (0.073 R)
• M70: 38,069,068 km (0.1 R)
• M71: 39,003,755 km (0.077 R)
• M72: 39,174,596 km (0.051 R)
• M73: 40,290,596 km (0.039 R)
• M74: 44,500,729 km (0.036 R)
• M75: 45,036,738 km (0.112 R)
• M76: 46,929,450 km (0.088 R)
• M77: 48,480,780 km (0.101 R)
• M78: 51,165,464 km (0.108 R)
• M79: 53,044,862 km (0.104 R)
• M80: 53,234,103 km (0.117 R)
• M81: 53,423,494 km (0.104 R)
• M82: 55,329,820 km (0.065 R)
• M83: 58,523,734 km (0.065 R)
• M84: 60,093,764 km (0.089 R)
• M85: 60,389,668 km (0.051 R)
• M86: 60,883,940 km (0.054 R)
• M87: 61,478,741 km (0.078 R)
• M88: 61,776,889 km (0.075 R)
• M89: 62,874,339 km (0.117 R)
• M90: 63,877,543 km (0.073 R)
• M91: 64,179,431 km (0.043 R)
• M92: 65,189,516 km (0.078 R)
• M93: 65,290,794 km (0.075 R)
• M94: 65,392,221 km (0.094 R)
• M95: 65,798,080 km (0.062 R)
• M96: 66,001,384 km (0.1 R)
• M97: 67,225,394 km (0.105 R)
• M98: 67,737,467 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.1

Radius: 4.2

Gravity: 41.33 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 14.71 AU - 14.83 AU

Year: 24102 Days

Day: 19.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 87,975,630 km

• M1: 60,138 km (0.096 R)
• M2: 140,173 km (0.12 R)
• M3: 247,136 km (0.075 R)
• M4: 282,441 km (0.032 R)
• M5: 358,885 km (0.108 R)
• M6: 1,376,899 km (0.045 R)
• M7: 1,475,783 km (0.118 R)
• M8: 1,509,293 km (0.11 R)
• M9: 3,043,718 km (0.085 R)
• M10: 3,891,340 km (0.061 R)
• M11: 5,417,687 km (0.087 R)
• M12: 5,732,142 km (0.118 R)
• M13: 6,215,044 km (0.071 R)
• M14: 6,378,853 km (0.107 R)
• M15: 6,822,710 km (0.092 R)
• M16: 7,276,590 km (0.098 R)
• M17: 9,063,237 km (0.085 R)
• M18: 9,186,955 km (0.089 R)
• M19: 12,387,601 km (0.119 R)
• M20: 12,939,767 km (0.096 R)
• M21: 14,068,333 km (0.115 R)
• M22: 14,571,880 km (0.079 R)
• M23: 15,008,107 km (0.081 R)
• M24: 15,081,261 km (0.094 R)
• M25: 15,227,866 km (0.085 R)
• M26: 17,023,938 km (0.057 R)
• M27: 17,100,233 km (0.114 R)
• M28: 17,637,290 km (0.115 R)
• M29: 18,649,469 km (0.087 R)
• M30: 19,043,659 km (0.092 R)
• M31: 19,281,520 km (0.115 R)
• M32: 21,796,709 km (0.105 R)
• M33: 21,962,463 km (0.108 R)
• M34: 22,128,667 km (0.026 R)
• M35: 22,295,319 km (0.1 R)
• M36: 23,303,758 km (0.084 R)
• M37: 23,558,074 km (0.098 R)
• M38: 24,671,232 km (0.1 R)
• M39: 24,844,018 km (0.089 R)
• M40: 25,017,102 km (0.053 R)
• M41: 25,626,414 km (0.044 R)
• M42: 25,713,780 km (0.115 R)
• M43: 26,240,514 km (0.086 R)
• M44: 27,662,292 km (0.099 R)
• M45: 28,382,606 km (0.068 R)
• M46: 28,744,932 km (0.091 R)
• M47: 29,200,158 km (0.07 R)
• M48: 30,302,395 km (0.064 R)
• M49: 30,394,847 km (0.116 R)
• M50: 30,951,500 km (0.113 R)
• M51: 31,137,899 km (0.105 R)
• M52: 33,593,847 km (0.118 R)
• M53: 33,977,117 km (0.071 R)
• M54: 34,073,159 km (0.09 R)
• M55: 35,135,753 km (0.117 R)
• M56: 36,307,403 km (0.104 R)
• M57: 38,889,313 km (0.093 R)
• M58: 38,989,843 km (0.105 R)
• M59: 39,999,329 km (0.067 R)
• M60: 41,427,241 km (0.098 R)
• M61: 41,529,865 km (0.107 R)
• M62: 41,838,186 km (0.109 R)
• M63: 42,353,850 km (0.066 R)
• M64: 43,495,731 km (0.086 R)
• M65: 43,704,420 km (0.099 R)
• M66: 46,341,082 km (0.092 R)
• M67: 47,409,959 km (0.096 R)
• M68: 48,271,044 km (0.086 R)
• M69: 50,336,692 km (0.078 R)
• M70: 50,446,197 km (0.097 R)
• M71: 51,766,398 km (0.074 R)
• M72: 52,652,915 km (0.076 R)
• M73: 53,321,169 km (0.115 R)
• M74: 53,656,268 km (0.05 R)
• M75: 55,908,464 km (0.113 R)
• M76: 58,076,287 km (0.074 R)
• M77: 59,459,618 km (0.087 R)
• M78: 59,691,196 km (0.088 R)
• M79: 60,039,161 km (0.093 R)
• M80: 61,203,930 km (0.109 R)
• M81: 62,847,113 km (0.107 R)
• M82: 63,319,244 km (0.064 R)
• M83: 64,385,876 km (0.094 R)
• M84: 64,504,807 km (0.098 R)
• M85: 64,742,817 km (0.069 R)
• M86: 64,861,897 km (0.089 R)
• M87: 68,105,029 km (0.059 R)
• M88: 75,372,942 km (0.12 R)
• M89: 78,145,290 km (0.076 R)
• M90: 78,272,149 km (0.109 R)
• M91: 78,652,876 km (0.074 R)
• M92: 80,566,382 km (0.11 R)
• M93: 86,135,761 km (0.105 R)
• M94: 86,660,102 km (0.037 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 16,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit