🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.54 AU - 0.56 AU

Year: 172 Days

Day: 17.8 Hours

Environment

Temp: 159 °C

Axial Tilt: 12.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.55 AU - 1.75 AU

Year: 894 Days

Day: 24 Hours

Environment

Temp: -94 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.93 AU - 2.83 AU

Year: 1549 Days

Day: 15.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.46 AU - 2.82 AU

Year: 1809 Days

Day: 24.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 63,838,901 km

• M1: 95,294 km (0.047 R)
• M2: 156,779 km (0.078 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.67 AU - 2.79 AU

Year: 1902 Days

Day: 22.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.4

Radius: 9.1

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.16 AU - 4.88 AU

Year: 3399 Days

Day: 12.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 63,838,901 km

• M1: 114,742 km (0.107 R)
• M2: 177,722 km (0.109 R)
• M3: 236,664 km (0.079 R)
• M4: 374,443 km (0.071 R)
• M5: 550,670 km (0.12 R)
• M6: 661,671 km (0.102 R)
• M7: 816,206 km (0.11 R)
• M8: 898,186 km (0.12 R)
• M9: 1,012,030 km (0.107 R)
• M10: 1,070,822 km (0.105 R)
• M11: 1,151,156 km (0.096 R)
• M12: 1,426,715 km (0.103 R)
• M13: 1,794,277 km (0.108 R)
• M14: 1,866,533 km (0.103 R)
• M15: 2,242,322 km (0.05 R)
• M16: 2,821,865 km (0.057 R)
• M17: 3,077,976 km (0.114 R)
• M18: 3,135,871 km (0.052 R)
• M19: 3,311,947 km (0.113 R)
• M20: 3,401,257 km (0.096 R)
• M21: 3,521,534 km (0.074 R)
• M22: 3,797,392 km (0.103 R)
• M23: 3,922,307 km (0.052 R)
• M24: 4,208,338 km (0.066 R)
• M25: 4,305,128 km (0.092 R)
• M26: 4,517,556 km (0.111 R)
• M27: 4,935,832 km (0.056 R)
• M28: 5,158,284 km (0.109 R)
• M29: 5,384,027 km (0.098 R)
• M30: 5,917,344 km (0.104 R)
• M31: 6,190,360 km (0.037 R)
• M32: 6,692,261 km (0.081 R)
• M33: 7,014,943 km (0.079 R)
• M34: 7,130,134 km (0.112 R)
• M35: 7,498,892 km (0.11 R)
• M36: 7,814,245 km (0.108 R)
• M37: 8,073,797 km (0.118 R)
• M38: 8,174,327 km (0.063 R)
• M39: 8,417,274 km (0.108 R)
• M40: 8,498,954 km (0.081 R)
• M41: 8,560,289 km (0.074 R)
• M42: 9,077,150 km (0.092 R)
• M43: 9,349,867 km (0.068 R)
• M44: 9,839,052 km (0.077 R)
• M45: 9,968,155 km (0.104 R)
• M46: 10,643,589 km (0.077 R)
• M47: 10,731,852 km (0.076 R)
• M48: 11,087,297 km (0.101 R)
• M49: 11,199,196 km (0.079 R)
• M50: 11,424,041 km (0.109 R)
• M51: 11,559,727 km (0.111 R)
• M52: 11,855,332 km (0.062 R)
• M53: 12,061,628 km (0.107 R)
• M54: 12,640,571 km (0.104 R)
• M55: 12,804,381 km (0.034 R)
• M56: 12,992,425 km (0.049 R)
• M57: 13,063,185 km (0.117 R)
• M58: 13,323,635 km (0.112 R)
• M59: 13,394,993 km (0.108 R)
• M60: 13,609,816 km (0.118 R)
• M61: 13,849,771 km (0.101 R)
• M62: 13,994,432 km (0.059 R)
• M63: 14,163,926 km (0.029 R)
• M64: 14,578,163 km (0.094 R)
• M65: 15,021,272 km (0.063 R)
• M66: 15,219,639 km (0.108 R)
• M67: 15,443,736 km (0.069 R)
• M68: 15,543,668 km (0.047 R)
• M69: 16,249,620 km (0.044 R)
• M70: 16,606,560 km (0.07 R)
• M71: 17,094,997 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.4

Radius: 9.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.07 AU - 5.69 AU

Year: 4547 Days

Day: 6.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 63,838,901 km

• M1: 137,630 km (0.113 R)
• M2: 196,272 km (0.085 R)
• M3: 276,008 km (0.092 R)
• M4: 437,574 km (0.094 R)
• M5: 575,952 km (0.109 R)
• M6: 691,890 km (0.103 R)
• M7: 982,708 km (0.066 R)
• M8: 1,115,103 km (0.104 R)
• M9: 1,188,256 km (0.105 R)
• M10: 1,497,325 km (0.115 R)
• M11: 1,619,846 km (0.099 R)
• M12: 1,682,378 km (0.037 R)
• M13: 1,940,733 km (0.093 R)
• M14: 2,040,964 km (0.116 R)
• M15: 2,211,954 km (0.069 R)
• M16: 2,471,357 km (0.091 R)
• M17: 2,641,599 km (0.096 R)
• M18: 3,019,483 km (0.097 R)
• M19: 3,084,259 km (0.095 R)
• M20: 3,281,130 km (0.028 R)
• M21: 3,361,015 km (0.071 R)
• M22: 3,441,499 km (0.036 R)
• M23: 3,756,403 km (0.04 R)
• M24: 3,826,115 km (0.061 R)
• M25: 4,502,447 km (0.062 R)
• M26: 4,621,228 km (0.111 R)
• M27: 4,756,165 km (0.057 R)
• M28: 5,137,939 km (0.101 R)
• M29: 5,979,726 km (0.09 R)
• M30: 7,121,457 km (0.113 R)
• M31: 7,208,074 km (0.103 R)
• M32: 7,382,356 km (0.083 R)
• M33: 7,824,118 km (0.074 R)
• M34: 8,111,346 km (0.084 R)
• M35: 8,530,370 km (0.076 R)
• M36: 9,313,664 km (0.045 R)
• M37: 9,541,801 km (0.108 R)
• M38: 9,675,691 km (0.12 R)
• M39: 9,984,012 km (0.047 R)
• M40: 10,139,444 km (0.071 R)
• M41: 10,334,819 km (0.078 R)
• M42: 11,533,248 km (0.109 R)
• M43: 12,712,079 km (0.086 R)
• M44: 14,015,525 km (0.059 R)
• M45: 14,146,124 km (0.079 R)
• M46: 14,496,183 km (0.105 R)
• M47: 14,562,006 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.6

Radius: 9.2

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.45 AU - 7.33 AU

Year: 6029 Days

Day: 9.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 63,838,901 km

• M1: 132,095 km (0.108 R)
• M2: 396,584 km (0.108 R)
• M3: 478,115 km (0.047 R)
• M4: 566,078 km (0.114 R)
• M5: 775,067 km (0.104 R)
• M6: 1,212,341 km (0.065 R)
• M7: 1,319,004 km (0.111 R)
• M8: 1,580,651 km (0.104 R)
• M9: 2,239,630 km (0.101 R)
• M10: 3,096,676 km (0.068 R)
• M11: 3,194,962 km (0.07 R)
• M12: 3,780,338 km (0.076 R)
• M13: 4,261,744 km (0.099 R)
• M14: 4,481,952 km (0.115 R)
• M15: 4,734,025 km (0.064 R)
• M16: 5,518,366 km (0.049 R)
• M17: 6,032,833 km (0.052 R)
• M18: 6,125,285 km (0.102 R)
• M19: 6,531,144 km (0.102 R)
• M20: 6,657,704 km (0.065 R)
• M21: 7,303,218 km (0.1 R)
• M22: 7,434,715 km (0.032 R)
• M23: 7,901,161 km (0.06 R)
• M24: 8,070,057 km (0.09 R)
• M25: 8,342,774 km (0.116 R)
• M26: 8,618,633 km (0.038 R)
• M27: 9,824,092 km (0.107 R)
• M28: 10,005,704 km (0.076 R)
• M29: 10,372,518 km (0.075 R)
• M30: 11,844,711 km (0.108 R)
• M31: 12,546,175 km (0.11 R)
• M32: 13,220,861 km (0.114 R)
• M33: 14,646,978 km (0.11 R)
• M34: 15,652,874 km (0.086 R)
• M35: 15,822,668 km (0.063 R)
• M36: 15,993,060 km (0.086 R)
• M37: 16,078,480 km (0.081 R)
• M38: 16,767,528 km (0.073 R)
• M39: 16,941,360 km (0.08 R)
• M40: 17,203,157 km (0.114 R)
• M41: 17,642,376 km (0.068 R)
• M42: 18,308,236 km (0.086 R)
• M43: 18,397,696 km (0.03 R)
• M44: 18,621,793 km (0.118 R)
• M45: 19,345,249 km (0.054 R)
• M46: 19,573,086 km (0.061 R)
• M47: 21,240,504 km (0.118 R)
• M48: 22,329,427 km (0.103 R)
• M49: 22,472,742 km (0.073 R)
• M50: 23,097,612 km (0.117 R)
• M51: 23,679,398 km (0.085 R)
• M52: 24,217,053 km (0.105 R)
• M53: 24,364,407 km (0.112 R)
• M54: 24,511,910 km (0.068 R)
• M55: 24,610,495 km (0.095 R)
• M56: 25,006,182 km (0.076 R)
• M57: 25,503,595 km (0.076 R)
• M58: 25,703,607 km (0.045 R)
• M59: 26,054,713 km (0.079 R)
• M60: 26,660,285 km (0.095 R)
• M61: 28,556,588 km (0.119 R)
• M62: 29,494,716 km (0.111 R)
• M63: 30,073,062 km (0.1 R)
• M64: 30,495,975 km (0.057 R)
• M65: 31,027,496 km (0.032 R)
• M66: 31,294,379 km (0.11 R)
• M67: 31,508,453 km (0.046 R)
• M68: 31,830,388 km (0.117 R)
• M69: 31,937,949 km (0.114 R)
• M70: 32,207,374 km (0.086 R)
• M71: 32,911,532 km (0.107 R)
• M72: 33,730,281 km (0.116 R)
• M73: 34,334,955 km (0.107 R)
• M74: 34,887,869 km (0.027 R)
• M75: 34,998,721 km (0.109 R)
• M76: 35,165,373 km (0.037 R)
• M77: 35,555,076 km (0.106 R)
• M78: 36,563,964 km (0.066 R)
• M79: 36,789,408 km (0.093 R)
• M80: 37,185,094 km (0.06 R)
• M81: 38,037,652 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.9

Radius: 4.9

Gravity: 34.73 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 10.5 AU - 14.66 AU

Year: 18818 Days

Day: 21.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 63,838,901 km

• M1: 150,795 km (0.065 R)
• M2: 189,989 km (0.108 R)
• M3: 369,058 km (0.07 R)
• M4: 855,251 km (0.049 R)
• M5: 1,149,809 km (0.118 R)
• M6: 1,694,196 km (0.099 R)
• M7: 1,891,366 km (0.035 R)
• M8: 2,343,451 km (0.078 R)
• M9: 2,452,358 km (0.098 R)
• M10: 2,525,960 km (0.065 R)
• M11: 3,100,865 km (0.063 R)
• M12: 4,100,627 km (0.114 R)
• M13: 4,144,310 km (0.082 R)
• M14: 4,680,319 km (0.111 R)
• M15: 4,956,626 km (0.092 R)
• M16: 5,238,020 km (0.111 R)
• M17: 5,380,736 km (0.085 R)
• M18: 5,428,608 km (0.107 R)
• M19: 5,621,439 km (0.111 R)
• M20: 5,865,733 km (0.114 R)
• M21: 5,964,318 km (0.077 R)
• M22: 6,113,317 km (0.092 R)
• M23: 7,562,472 km (0.086 R)
• M24: 7,616,177 km (0.091 R)
• M25: 7,669,883 km (0.087 R)
• M26: 8,214,569 km (0.093 R)
• M27: 9,111,707 km (0.063 R)
• M28: 9,340,891 km (0.096 R)
• M29: 9,804,794 km (0.114 R)
• M30: 9,921,929 km (0.1 R)
• M31: 10,454,946 km (0.093 R)
• M32: 12,869,606 km (0.113 R)
• M33: 12,997,961 km (0.042 R)
• M34: 13,062,288 km (0.028 R)
• M35: 14,570,384 km (0.071 R)
• M36: 14,905,333 km (0.092 R)
• M37: 15,107,590 km (0.118 R)
• M38: 16,409,690 km (0.11 R)
• M39: 17,109,209 km (0.103 R)
• M40: 17,321,040 km (0.095 R)
• M41: 17,747,244 km (0.066 R)
• M42: 18,104,933 km (0.097 R)
• M43: 18,392,909 km (0.096 R)
• M44: 19,486,170 km (0.117 R)
• M45: 20,226,530 km (0.055 R)
• M46: 20,600,225 km (0.039 R)
• M47: 20,976,165 km (0.08 R)
• M48: 23,122,894 km (0.101 R)
• M49: 26,064,886 km (0.073 R)
• M50: 28,618,970 km (0.092 R)
• M51: 29,798,250 km (0.115 R)
• M52: 30,993,238 km (0.117 R)
• M53: 32,727,526 km (0.103 R)
• M54: 36,470,614 km (0.103 R)
• M55: 37,473,070 km (0.094 R)
• M56: 37,748,031 km (0.036 R)
• M57: 37,931,737 km (0.077 R)
• M58: 38,392,349 km (0.116 R)
• M59: 38,762,005 km (0.08 R)
• M60: 39,784,955 km (0.104 R)
• M61: 41,383,259 km (0.091 R)
• M62: 41,572,650 km (0.05 R)
• M63: 46,597,194 km (0.055 R)
• M64: 48,280,918 km (0.118 R)
• M65: 48,580,113 km (0.087 R)
• M66: 48,680,045 km (0.082 R)
• M67: 49,883,709 km (0.082 R)
• M68: 50,085,367 km (0.114 R)
• M69: 50,186,196 km (0.106 R)
• M70: 51,503,854 km (0.068 R)
• M71: 51,911,658 km (0.106 R)
• M72: 52,218,184 km (0.103 R)
• M73: 53,553,345 km (0.087 R)
• M74: 53,759,640 km (0.119 R)
• M75: 54,691,785 km (0.099 R)
• M76: 54,795,606 km (0.048 R)
• M77: 55,629,165 km (0.085 R)
• M78: 56,676,948 km (0.055 R)
• M79: 59,966,306 km (0.043 R)
• M80: 62,012,656 km (0.101 R)
• M81: 62,772,314 km (0.052 R)
• M82: 62,989,979 km (0.115 R)
• M83: 67,172,137 km (0.07 R)
• M84: 70,084,957 km (0.062 R)
• M85: 71,102,821 km (0.105 R)
• M86: 72,467,453 km (0.12 R)
• M87: 72,581,596 km (0.069 R)
• M88: 72,695,739 km (0.119 R)
• M89: 72,924,324 km (0.103 R)
• M90: 73,382,094 km (0.084 R)
• M91: 73,726,019 km (0.077 R)
• M92: 74,645,897 km (0.095 R)
• M93: 74,991,767 km (0.117 R)
• M94: 75,107,257 km (0.054 R)
• M95: 76,496,871 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.8

Radius: 4.1

Gravity: 12.66 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 13.62 AU - 18.84 AU

Year: 27576 Days

Day: 21.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 63,838,901 km

• M1: 245,041 km (0.081 R)
• M2: 399,127 km (0.104 R)
• M3: 580,589 km (0.094 R)
• M4: 701,016 km (0.072 R)
• M5: 742,903 km (0.027 R)
• M6: 873,801 km (0.099 R)
• M7: 1,157,289 km (0.103 R)
• M8: 1,576,313 km (0.056 R)
• M9: 1,830,928 km (0.087 R)
• M10: 2,159,595 km (0.089 R)
• M11: 2,441,886 km (0.112 R)
• M12: 2,474,050 km (0.055 R)
• M13: 2,836,226 km (0.112 R)
• M14: 3,719,751 km (0.026 R)
• M15: 3,868,451 km (0.065 R)
• M16: 4,640,975 km (0.086 R)
• M17: 5,003,750 km (0.113 R)
• M18: 5,167,858 km (0.077 R)
• M19: 5,417,537 km (0.047 R)
• M20: 5,756,376 km (0.092 R)
• M21: 6,321,557 km (0.099 R)
• M22: 7,179,052 km (0.093 R)
• M23: 9,807,337 km (0.065 R)
• M24: 10,901,346 km (0.038 R)
• M25: 11,274,593 km (0.103 R)
• M26: 11,328,299 km (0.036 R)
• M27: 12,920,918 km (0.031 R)
• M28: 13,259,158 km (0.073 R)
• M29: 13,429,251 km (0.104 R)
• M30: 14,349,129 km (0.103 R)
• M31: 14,875,414 km (0.028 R)
• M32: 14,993,147 km (0.101 R)
• M33: 15,886,546 km (0.071 R)
• M34: 18,162,827 km (0.095 R)
• M35: 20,538,890 km (0.118 R)
• M36: 20,933,380 km (0.105 R)
• M37: 21,529,677 km (0.107 R)
• M38: 23,763,323 km (0.12 R)
• M39: 24,039,031 km (0.095 R)
• M40: 24,663,303 km (0.111 R)
• M41: 27,646,135 km (0.105 R)
• M42: 28,008,761 km (0.103 R)
• M43: 28,445,886 km (0.094 R)
• M44: 28,665,346 km (0.071 R)
• M45: 30,217,274 km (0.111 R)
• M46: 30,515,871 km (0.05 R)
• M47: 30,590,670 km (0.104 R)
• M48: 33,710,534 km (0.063 R)
• M49: 33,787,876 km (0.044 R)
• M50: 34,020,351 km (0.111 R)
• M51: 34,097,843 km (0.075 R)
• M52: 34,955,188 km (0.056 R)
• M53: 35,111,817 km (0.073 R)
• M54: 36,214,802 km (0.105 R)
• M55: 37,169,237 km (0.114 R)
• M56: 37,569,411 km (0.115 R)
• M57: 39,021,557 km (0.09 R)
• M58: 39,672,907 km (0.12 R)
• M59: 40,327,846 km (0.074 R)
• M60: 40,409,975 km (0.058 R)
• M61: 40,492,104 km (0.075 R)
• M62: 40,738,941 km (0.093 R)
• M63: 41,151,382 km (0.102 R)
• M64: 41,399,565 km (0.083 R)
• M65: 41,731,224 km (0.114 R)
• M66: 43,066,833 km (0.026 R)
• M67: 43,318,756 km (0.074 R)
• M68: 43,908,621 km (0.111 R)
• M69: 43,992,994 km (0.073 R)
• M70: 44,077,517 km (0.053 R)
• M71: 45,950,931 km (0.117 R)
• M72: 46,208,389 km (0.108 R)
• M73: 47,156,540 km (0.096 R)
• M74: 48,110,974 km (0.105 R)
• M75: 48,634,268 km (0.112 R)
• M76: 50,657,878 km (0.066 R)
• M77: 51,457,180 km (0.084 R)
• M78: 51,546,190 km (0.101 R)
• M79: 53,518,638 km (0.109 R)
• M80: 54,241,944 km (0.117 R)
• M81: 54,695,674 km (0.1 R)
• M82: 54,786,630 km (0.085 R)
• M83: 54,877,585 km (0.05 R)
• M84: 55,698,279 km (0.094 R)
• M85: 55,881,237 km (0.119 R)
• M86: 55,972,791 km (0.095 R)
• M87: 57,352,084 km (0.119 R)
• M88: 59,488,491 km (0.114 R)
• M89: 60,425,572 km (0.102 R)
• M90: 60,613,467 km (0.12 R)
• M91: 61,461,836 km (0.064 R)
• M92: 62,884,512 km (0.096 R)
• M93: 63,361,131 km (0.054 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 20,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit