🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.67 AU - 0.71 AU

Year: 215 Days

Day: 42.1 Hours

Environment

Temp: 190 °C

Axial Tilt: 38.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.6

Radius: 13.3

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.08 AU - 7.18 AU

Year: 5687 Days

Day: 7.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 67,937,291 km

• M1: 200,760 km (0.088 R)
• M2: 401,371 km (0.092 R)
• M3: 518,207 km (0.098 R)
• M4: 673,041 km (0.112 R)
• M5: 807,230 km (0.079 R)
• M6: 1,090,718 km (0.12 R)
• M7: 1,359,994 km (0.102 R)
• M8: 1,568,085 km (0.074 R)
• M9: 1,667,867 km (0.1 R)
• M10: 1,944,922 km (0.066 R)
• M11: 2,144,186 km (0.076 R)
• M12: 2,312,334 km (0.116 R)
• M13: 2,465,672 km (0.103 R)
• M14: 2,602,704 km (0.119 R)
• M15: 2,925,686 km (0.108 R)
• M16: 3,197,654 km (0.087 R)
• M17: 3,544,123 km (0.105 R)
• M18: 3,971,225 km (0.043 R)
• M19: 4,202,803 km (0.097 R)
• M20: 4,558,546 km (0.032 R)
• M21: 4,703,656 km (0.055 R)
• M22: 4,825,728 km (0.087 R)
• M23: 4,924,164 km (0.103 R)
• M24: 5,198,526 km (0.103 R)
• M25: 5,554,868 km (0.073 R)
• M26: 6,726,519 km (0.102 R)
• M27: 6,836,772 km (0.092 R)
• M28: 7,283,920 km (0.03 R)
• M29: 7,914,326 km (0.07 R)
• M30: 8,923,064 km (0.087 R)
• M31: 9,166,310 km (0.083 R)
• M32: 9,319,499 km (0.078 R)
• M33: 9,411,800 km (0.087 R)
• M34: 9,815,266 km (0.113 R)
• M35: 9,972,044 km (0.119 R)
• M36: 10,319,860 km (0.113 R)
• M37: 10,832,831 km (0.118 R)
• M38: 11,125,145 km (0.081 R)
• M39: 11,223,131 km (0.116 R)
• M40: 11,354,179 km (0.077 R)
• M41: 11,817,185 km (0.091 R)
• M42: 13,730,242 km (0.112 R)
• M43: 14,579,509 km (0.095 R)
• M44: 14,902,341 km (0.085 R)
• M45: 15,010,351 km (0.08 R)
• M46: 15,155,012 km (0.119 R)
• M47: 15,518,535 km (0.097 R)
• M48: 15,701,344 km (0.099 R)
• M49: 15,884,900 km (0.048 R)
• M50: 16,626,307 km (0.105 R)
• M51: 16,776,055 km (0.105 R)
• M52: 16,926,101 km (0.099 R)
• M53: 17,038,898 km (0.045 R)
• M54: 17,189,843 km (0.083 R)
• M55: 18,567,789 km (0.03 R)
• M56: 18,917,698 km (0.101 R)
• M57: 20,100,269 km (0.113 R)
• M58: 20,579,880 km (0.111 R)
• M59: 21,022,989 km (0.085 R)
• M60: 21,754,822 km (0.115 R)
• M61: 22,453,593 km (0.116 R)
• M62: 22,826,541 km (0.119 R)
• M63: 23,118,107 km (0.112 R)
• M64: 23,452,757 km (0.11 R)
• M65: 24,254,004 km (0.072 R)
• M66: 25,064,226 km (0.101 R)
• M67: 26,580,101 km (0.119 R)
• M68: 27,371,174 km (0.114 R)
• M69: 27,902,845 km (0.116 R)
• M70: 28,080,867 km (0.084 R)
• M71: 28,214,607 km (0.101 R)
• M72: 28,348,497 km (0.092 R)
• M73: 28,751,664 km (0.119 R)
• M74: 29,427,846 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.2

Radius: 12.2

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 9.16 AU - 11.76 AU

Year: 12677 Days

Day: 11.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 67,937,291 km

• M1: 168,746 km (0.108 R)
• M2: 268,379 km (0.106 R)
• M3: 402,867 km (0.031 R)
• M4: 628,610 km (0.106 R)
• M5: 1,184,516 km (0.037 R)
• M6: 1,413,550 km (0.086 R)
• M7: 1,703,172 km (0.059 R)
• M8: 2,160,941 km (0.095 R)
• M9: 2,469,861 km (0.091 R)
• M10: 2,848,194 km (0.109 R)
• M11: 3,361,913 km (0.071 R)
• M12: 3,480,095 km (0.086 R)
• M13: 3,569,704 km (0.088 R)
• M14: 3,720,649 km (0.082 R)
• M15: 3,904,654 km (0.057 R)
• M16: 4,091,801 km (0.081 R)
• M17: 4,345,968 km (0.094 R)
• M18: 4,703,955 km (0.094 R)
• M19: 4,836,499 km (0.062 R)
• M20: 5,105,476 km (0.081 R)
• M21: 5,207,651 km (0.068 R)
• M22: 5,977,482 km (0.115 R)
• M23: 6,121,395 km (0.087 R)
• M24: 6,412,513 km (0.113 R)
• M25: 6,522,916 km (0.07 R)
• M26: 6,895,415 km (0.063 R)
• M27: 9,066,080 km (0.112 R)
• M28: 9,314,861 km (0.102 R)
• M29: 9,481,962 km (0.079 R)
• M30: 9,904,127 km (0.025 R)
• M31: 10,635,810 km (0.094 R)
• M32: 10,766,858 km (0.028 R)
• M33: 10,854,373 km (0.113 R)
• M34: 11,474,306 km (0.116 R)
• M35: 14,548,842 km (0.115 R)
• M36: 14,694,251 km (0.084 R)
• M37: 14,986,715 km (0.11 R)
• M38: 15,676,660 km (0.114 R)
• M39: 16,579,034 km (0.111 R)
• M40: 16,680,312 km (0.081 R)
• M41: 17,036,505 km (0.035 R)
• M42: 17,241,155 km (0.099 R)
• M43: 17,446,552 km (0.106 R)
• M44: 19,225,870 km (0.109 R)
• M45: 19,385,640 km (0.088 R)
• M46: 19,760,084 km (0.083 R)
• M47: 20,029,061 km (0.113 R)
• M48: 20,137,070 km (0.073 R)
• M49: 20,734,115 km (0.099 R)
• M50: 20,952,678 km (0.074 R)
• M51: 21,171,988 km (0.099 R)
• M52: 21,834,707 km (0.055 R)
• M53: 22,057,009 km (0.091 R)
• M54: 23,350,283 km (0.106 R)
• M55: 24,264,475 km (0.068 R)
• M56: 24,437,261 km (0.104 R)
• M57: 24,783,879 km (0.115 R)
• M58: 24,957,862 km (0.08 R)
• M59: 25,657,680 km (0.119 R)
• M60: 26,423,023 km (0.12 R)
• M61: 26,600,745 km (0.107 R)
• M62: 29,928,550 km (0.114 R)
• M63: 30,671,902 km (0.076 R)
• M64: 32,113,726 km (0.093 R)
• M65: 33,449,336 km (0.107 R)
• M66: 35,258,273 km (0.106 R)
• M67: 36,240,383 km (0.093 R)
• M68: 37,098,926 km (0.093 R)
• M69: 37,297,891 km (0.083 R)
• M70: 39,443,274 km (0.064 R)
• M71: 39,917,798 km (0.086 R)
• M72: 41,078,379 km (0.093 R)
• M73: 41,628,300 km (0.098 R)
• M74: 42,388,557 km (0.072 R)
• M75: 42,666,061 km (0.103 R)
• M76: 44,063,006 km (0.103 R)
• M77: 44,273,789 km (0.104 R)
• M78: 44,414,561 km (0.073 R)
• M79: 44,767,013 km (0.099 R)
• M80: 45,120,513 km (0.068 R)
• M81: 46,973,283 km (0.054 R)
• M82: 47,116,747 km (0.064 R)
• M83: 47,260,511 km (0.114 R)
• M84: 48,487,811 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.4

Radius: 5

Gravity: 32.22 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 14.21 AU - 16.41 AU

Year: 22449 Days

Day: 15.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 67,937,291 km

• M1: 102,475 km (0.099 R)
• M2: 237,561 km (0.104 R)
• M3: 679,025 km (0.047 R)
• M4: 729,738 km (0.085 R)
• M5: 1,149,809 km (0.115 R)
• M6: 1,531,733 km (0.075 R)
• M7: 2,402,392 km (0.098 R)
• M8: 2,680,644 km (0.097 R)
• M9: 2,885,743 km (0.065 R)
• M10: 4,266,232 km (0.085 R)
• M11: 4,553,909 km (0.114 R)
• M12: 4,897,385 km (0.066 R)
• M13: 5,609,322 km (0.086 R)
• M14: 6,083,846 km (0.085 R)
• M15: 6,298,968 km (0.091 R)
• M16: 6,461,880 km (0.091 R)
• M17: 7,814,544 km (0.104 R)
• M18: 9,006,091 km (0.111 R)
• M19: 9,189,648 km (0.084 R)
• M20: 10,637,456 km (0.087 R)
• M21: 10,702,082 km (0.111 R)
• M22: 11,288,805 km (0.107 R)
• M23: 11,552,995 km (0.072 R)
• M24: 12,698,166 km (0.075 R)
• M25: 13,528,135 km (0.053 R)
• M26: 13,879,092 km (0.038 R)
• M27: 14,020,312 km (0.081 R)
• M28: 14,375,458 km (0.087 R)
• M29: 14,589,981 km (0.118 R)
• M30: 14,661,788 km (0.092 R)
• M31: 14,877,658 km (0.094 R)
• M32: 15,022,169 km (0.082 R)
• M33: 15,239,834 km (0.1 R)
• M34: 15,825,510 km (0.115 R)
• M35: 16,343,867 km (0.034 R)
• M36: 16,867,908 km (0.068 R)
• M37: 18,163,276 km (0.052 R)
• M38: 18,861,898 km (0.097 R)
• M39: 19,569,197 km (0.084 R)
• M40: 22,899,844 km (0.098 R)
• M41: 23,822,863 km (0.052 R)
• M42: 25,878,337 km (0.05 R)
• M43: 25,965,254 km (0.118 R)
• M44: 27,723,029 km (0.1 R)
• M45: 27,811,890 km (0.109 R)
• M46: 30,064,834 km (0.087 R)
• M47: 31,166,921 km (0.112 R)
• M48: 31,259,373 km (0.03 R)
• M49: 31,444,575 km (0.034 R)
• M50: 32,938,758 km (0.107 R)
• M51: 33,599,682 km (0.09 R)
• M52: 37,165,497 km (0.088 R)
• M53: 37,656,477 km (0.113 R)
• M54: 40,043,012 km (0.119 R)
• M55: 40,748,216 km (0.115 R)
• M56: 42,273,217 km (0.085 R)
• M57: 42,888,363 km (0.091 R)
• M58: 42,991,286 km (0.06 R)
• M59: 46,219,160 km (0.089 R)
• M60: 46,324,626 km (0.086 R)
• M61: 46,747,091 km (0.103 R)
• M62: 47,276,966 km (0.102 R)
• M63: 49,093,533 km (0.111 R)
• M64: 49,524,225 km (0.095 R)
• M65: 49,848,105 km (0.056 R)
• M66: 52,464,272 km (0.041 R)
• M67: 52,574,227 km (0.106 R)
• M68: 52,794,435 km (0.115 R)
• M69: 53,567,557 km (0.032 R)
• M70: 54,678,321 km (0.065 R)
• M71: 55,236,620 km (0.098 R)
• M72: 58,056,091 km (0.099 R)
• M73: 58,283,630 km (0.085 R)
• M74: 59,311,367 km (0.106 R)
• M75: 59,770,034 km (0.087 R)
• M76: 59,999,816 km (0.112 R)
• M77: 61,500,732 km (0.09 R)
• M78: 69,428,821 km (0.107 R)
• M79: 72,590,721 km (0.073 R)
• M80: 73,204,222 km (0.093 R)
• M81: 75,178,764 km (0.045 R)
• M82: 77,922,240 km (0.069 R)
• M83: 78,927,837 km (0.098 R)
• M84: 79,558,691 km (0.047 R)
• M85: 80,064,481 km (0.083 R)
• M86: 81,206,362 km (0.093 R)
• M87: 82,226,021 km (0.1 R)
• M88: 83,506,429 km (0.09 R)
• M89: 85,180,878 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.7

Radius: 7.8

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 13.32 AU - 20.48 AU

Year: 26035 Days

Day: 19.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 67,937,291 km

• M1: 105,018 km (0.095 R)
• M2: 473,328 km (0.116 R)
• M3: 635,043 km (0.117 R)
• M4: 815,009 km (0.091 R)
• M5: 897,288 km (0.036 R)
• M6: 1,254,677 km (0.056 R)
• M7: 2,090,032 km (0.04 R)
• M8: 2,166,177 km (0.065 R)
• M9: 2,282,116 km (0.091 R)
• M10: 2,642,646 km (0.115 R)
• M11: 3,597,380 km (0.104 R)
• M12: 6,003,662 km (0.09 R)
• M13: 6,388,278 km (0.073 R)
• M14: 6,667,876 km (0.117 R)
• M15: 7,181,296 km (0.094 R)
• M16: 7,589,250 km (0.111 R)
• M17: 8,125,109 km (0.095 R)
• M18: 8,245,835 km (0.111 R)
• M19: 8,550,266 km (0.099 R)
• M20: 8,858,288 km (0.026 R)
• M21: 9,170,050 km (0.094 R)
• M22: 9,232,881 km (0.101 R)
• M23: 9,868,672 km (0.113 R)
• M24: 10,126,878 km (0.089 R)
• M25: 11,859,371 km (0.085 R)
• M26: 12,134,033 km (0.094 R)
• M27: 12,970,435 km (0.096 R)
• M28: 13,324,383 km (0.052 R)
• M29: 13,538,308 km (0.084 R)
• M30: 14,041,855 km (0.118 R)
• M31: 15,439,398 km (0.101 R)
• M32: 16,726,987 km (0.047 R)
• M33: 17,813,067 km (0.075 R)
• M34: 19,971,166 km (0.078 R)
• M35: 20,052,547 km (0.101 R)
• M36: 20,873,840 km (0.059 R)
• M37: 21,122,322 km (0.105 R)
• M38: 21,288,525 km (0.089 R)
• M39: 22,041,750 km (0.087 R)
• M40: 22,889,073 km (0.091 R)
• M41: 23,316,623 km (0.093 R)
• M42: 23,919,652 km (0.058 R)
• M43: 24,093,036 km (0.119 R)
• M44: 24,527,917 km (0.119 R)
• M45: 26,204,311 km (0.067 R)
• M46: 26,921,184 km (0.05 R)
• M47: 28,557,635 km (0.075 R)
• M48: 30,319,748 km (0.102 R)
• M49: 30,695,239 km (0.036 R)
• M50: 32,403,647 km (0.047 R)
• M51: 34,240,260 km (0.109 R)
• M52: 34,435,485 km (0.084 R)
• M53: 34,827,282 km (0.112 R)
• M54: 38,621,233 km (0.066 R)
• M55: 41,707,886 km (0.117 R)
• M56: 42,125,264 km (0.084 R)
• M57: 42,544,138 km (0.101 R)
• M58: 45,300,479 km (0.037 R)
• M59: 45,514,853 km (0.057 R)
• M60: 46,591,958 km (0.092 R)
• M61: 46,916,735 km (0.098 R)
• M62: 47,133,652 km (0.1 R)
• M63: 47,568,533 km (0.053 R)
• M64: 47,786,347 km (0.098 R)
• M65: 48,004,610 km (0.104 R)
• M66: 48,332,678 km (0.079 R)
• M67: 49,100,864 km (0.091 R)
• M68: 49,321,221 km (0.038 R)
• M69: 51,094,854 km (0.092 R)
• M70: 52,326,493 km (0.08 R)
• M71: 52,551,338 km (0.117 R)
• M72: 53,002,226 km (0.118 R)
• M73: 53,228,269 km (0.035 R)
• M74: 53,907,892 km (0.08 R)
• M75: 54,021,437 km (0.083 R)
• M76: 57,233,453 km (0.082 R)
• M77: 57,697,356 km (0.073 R)
• M78: 58,628,902 km (0.097 R)
• M79: 58,979,559 km (0.118 R)
• M80: 61,928,283 km (0.118 R)
• M81: 63,121,176 km (0.066 R)
• M82: 63,360,533 km (0.116 R)
• M83: 64,080,846 km (0.041 R)
• M84: 64,924,578 km (0.046 R)
• M85: 66,379,567 km (0.053 R)
• M86: 66,501,340 km (0.074 R)
• M87: 66,744,885 km (0.108 R)
• M88: 67,111,101 km (0.065 R)
• M89: 68,705,066 km (0.108 R)
• M90: 71,306,423 km (0.064 R)
• M91: 71,431,038 km (0.11 R)
• M92: 72,431,100 km (0.071 R)
• M93: 76,604,731 km (0.072 R)
• M94: 82,028,402 km (0.096 R)
• M95: 82,420,498 km (0.028 R)
• M96: 87,574,444 km (0.071 R)
• M97: 88,376,588 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.4

Radius: 6.3

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 16.24 AU - 22.48 AU

Year: 31922 Days

Day: 20.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 67,937,291 km

• M1: 109,954 km (0.089 R)
• M2: 466,745 km (0.062 R)
• M3: 541,843 km (0.117 R)
• M4: 726,148 km (0.085 R)
• M5: 791,971 km (0.087 R)
• M6: 977,622 km (0.057 R)
• M7: 1,177,036 km (0.055 R)
• M8: 1,281,605 km (0.116 R)
• M9: 2,969,967 km (0.087 R)
• M10: 3,222,488 km (0.103 R)
• M11: 4,020,592 km (0.098 R)
• M12: 4,380,674 km (0.086 R)
• M13: 4,876,741 km (0.112 R)
• M14: 6,057,068 km (0.069 R)
• M15: 6,562,111 km (0.086 R)
• M16: 6,608,636 km (0.041 R)
• M17: 7,661,356 km (0.095 R)
• M18: 9,493,182 km (0.118 R)
• M19: 9,651,606 km (0.089 R)
• M20: 10,348,732 km (0.095 R)
• M21: 11,006,514 km (0.096 R)
• M22: 11,173,016 km (0.087 R)
• M23: 11,340,416 km (0.102 R)
• M24: 14,370,970 km (0.079 R)
• M25: 15,288,902 km (0.12 R)
• M26: 15,350,836 km (0.081 R)
• M27: 16,415,374 km (0.102 R)
• M28: 16,796,849 km (0.096 R)
• M29: 17,052,661 km (0.101 R)
• M30: 17,958,476 km (0.112 R)
• M31: 18,023,701 km (0.084 R)
• M32: 18,154,599 km (0.055 R)
• M33: 18,351,470 km (0.088 R)
• M34: 18,548,939 km (0.097 R)
• M35: 18,681,034 km (0.108 R)
• M36: 18,946,122 km (0.089 R)
• M37: 19,346,146 km (0.092 R)
• M38: 20,154,573 km (0.081 R)
• M39: 20,290,408 km (0.079 R)
• M40: 20,699,558 km (0.08 R)
• M41: 20,905,255 km (0.093 R)
• M42: 21,595,649 km (0.092 R)
• M43: 21,665,063 km (0.111 R)
• M44: 21,804,189 km (0.097 R)
• M45: 22,574,618 km (0.108 R)
• M46: 24,793,454 km (0.11 R)
• M47: 25,744,447 km (0.054 R)
• M48: 26,039,454 km (0.116 R)
• M49: 26,484,059 km (0.058 R)
• M50: 27,155,753 km (0.106 R)
• M51: 27,455,996 km (0.068 R)
• M52: 29,357,685 km (0.037 R)
• M53: 29,665,856 km (0.074 R)
• M54: 30,674,894 km (0.055 R)
• M55: 32,487,571 km (0.07 R)
• M56: 33,046,170 km (0.088 R)
• M57: 33,126,204 km (0.086 R)
• M58: 33,607,910 km (0.036 R)
• M59: 35,066,638 km (0.081 R)
• M60: 36,050,693 km (0.059 R)
• M61: 36,380,706 km (0.091 R)
• M62: 36,960,697 km (0.072 R)
• M63: 38,297,803 km (0.06 R)
• M64: 38,972,190 km (0.096 R)
• M65: 40,589,642 km (0.043 R)
• M66: 40,675,362 km (0.104 R)
• M67: 40,932,969 km (0.086 R)
• M68: 41,449,830 km (0.118 R)
• M69: 41,968,635 km (0.095 R)
• M70: 42,751,182 km (0.056 R)
• M71: 43,100,493 km (0.096 R)
• M72: 44,861,110 km (0.117 R)
• M73: 44,949,822 km (0.101 R)
• M74: 46,465,697 km (0.118 R)
• M75: 48,088,984 km (0.116 R)
• M76: 50,558,695 km (0.081 R)
• M77: 50,650,847 km (0.109 R)
• M78: 53,538,535 km (0.12 R)
• M79: 54,386,904 km (0.038 R)
• M80: 54,765,387 km (0.117 R)
• M81: 55,239,612 km (0.065 R)
• M82: 56,001,365 km (0.057 R)
• M83: 56,479,180 km (0.09 R)
• M84: 57,631,533 km (0.101 R)
• M85: 60,545,998 km (0.103 R)
• M86: 60,840,108 km (0.096 R)
• M87: 61,528,258 km (0.112 R)
• M88: 62,120,067 km (0.081 R)
• M89: 62,416,570 km (0.11 R)
• M90: 63,607,818 km (0.115 R)
• M91: 64,106,278 km (0.107 R)
• M92: 66,214,262 km (0.046 R)
• M93: 66,922,009 km (0.065 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 19,700 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit