🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.53 AU - 0.81 AU

Year: 349 Days

Day: 14.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,435,575 km

• M1: 488,886 km (0.118 R)

Asteroid Belt

Center: 1.22 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.3

Radius: 11.2

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.46 AU - 2.06 AU

Year: 1485 Days

Day: 12.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 109.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,435,575 km

• M1: 140,921 km (0.113 R)
• M2: 252,820 km (0.099 R)
• M3: 352,901 km (0.119 R)
• M4: 472,131 km (0.103 R)
• M5: 691,292 km (0.074 R)
• M6: 797,506 km (0.114 R)
• M7: 968,048 km (0.117 R)
• M8: 1,064,239 km (0.095 R)
• M9: 1,377,497 km (0.092 R)
• M10: 1,538,165 km (0.111 R)
• M11: 1,828,385 km (0.119 R)
• M12: 1,903,783 km (0.109 R)
• M13: 2,226,764 km (0.119 R)
• M14: 2,340,159 km (0.098 R)
• M15: 2,422,289 km (0.118 R)
• M16: 2,499,930 km (0.075 R)
• M17: 2,692,014 km (0.107 R)
• M18: 3,433,720 km (0.062 R)
• M19: 3,578,082 km (0.114 R)
• M20: 3,692,524 km (0.103 R)
• M21: 3,911,984 km (0.074 R)
• M22: 4,350,456 km (0.117 R)
• M23: 4,575,600 km (0.113 R)
• M24: 4,665,359 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.2

Radius: 9.6

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.72 AU - 2.04 AU

Year: 1639 Days

Day: 9.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 43,435,575 km

• M1: 161,117 km (0.114 R)
• M2: 335,997 km (0.118 R)
• M3: 427,252 km (0.108 R)
• M4: 490,083 km (0.04 R)
• M5: 639,082 km (0.08 R)
• M6: 817,104 km (0.098 R)
• M7: 947,553 km (0.104 R)
• M8: 1,033,572 km (0.038 R)
• M9: 1,114,953 km (0.062 R)
• M10: 1,214,136 km (0.119 R)
• M11: 1,324,390 km (0.054 R)
• M12: 1,421,629 km (0.071 R)
• M13: 2,264,912 km (0.1 R)
• M14: 2,511,748 km (0.118 R)
• M15: 2,623,049 km (0.086 R)
• M16: 2,715,501 km (0.103 R)
• M17: 2,808,999 km (0.12 R)
• M18: 3,215,756 km (0.087 R)
• M19: 3,348,150 km (0.116 R)
• M20: 3,448,680 km (0.108 R)
• M21: 3,641,212 km (0.052 R)
• M22: 3,802,628 km (0.116 R)
• M23: 4,084,620 km (0.103 R)
• M24: 4,156,278 km (0.094 R)
• M25: 4,264,437 km (0.09 R)
• M26: 4,373,494 km (0.113 R)
• M27: 4,644,266 km (0.119 R)
• M28: 4,996,718 km (0.087 R)
• M29: 5,163,371 km (0.115 R)
• M30: 5,253,877 km (0.091 R)
• M31: 5,528,539 km (0.1 R)
• M32: 5,674,247 km (0.115 R)
• M33: 5,848,230 km (0.064 R)
• M34: 5,956,090 km (0.074 R)
• M35: 6,119,301 km (0.116 R)
• M36: 6,366,736 km (0.099 R)
• M37: 6,631,524 km (0.083 R)
• M38: 6,800,719 km (0.067 R)
• M39: 6,999,834 km (0.08 R)
• M40: 7,215,404 km (0.101 R)
• M41: 7,404,047 km (0.044 R)
• M42: 7,726,880 km (0.108 R)
• M43: 7,815,741 km (0.076 R)
• M44: 8,009,470 km (0.039 R)
• M45: 8,174,626 km (0.116 R)
• M46: 8,508,229 km (0.106 R)
• M47: 8,569,415 km (0.093 R)
• M48: 8,769,278 km (0.05 R)
• M49: 9,079,544 km (0.079 R)
• M50: 9,189,049 km (0.079 R)
• M51: 9,440,972 km (0.097 R)
• M52: 9,759,167 km (0.044 R)
• M53: 10,226,660 km (0.076 R)
• M54: 10,389,572 km (0.111 R)
• M55: 10,487,858 km (0.089 R)
• M56: 10,553,382 km (0.102 R)
• M57: 10,966,721 km (0.067 R)
• M58: 11,033,292 km (0.105 R)
• M59: 11,267,562 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.1

Radius: 13.1

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.46 AU - 3.34 AU

Year: 3140 Days

Day: 8 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 43,435,575 km

• M1: 163,510 km (0.119 R)
• M2: 273,166 km (0.091 R)
• M3: 409,449 km (0.098 R)
• M4: 497,712 km (0.064 R)
• M5: 628,760 km (0.118 R)
• M6: 754,572 km (0.116 R)
• M7: 870,061 km (0.072 R)
• M8: 1,088,175 km (0.094 R)
• M9: 1,221,317 km (0.088 R)
• M10: 1,324,988 km (0.093 R)
• M11: 1,407,866 km (0.046 R)
• M12: 1,504,805 km (0.066 R)
• M13: 1,629,420 km (0.064 R)
• M14: 1,889,421 km (0.118 R)
• M15: 2,107,385 km (0.094 R)
• M16: 2,247,858 km (0.119 R)
• M17: 2,391,621 km (0.087 R)
• M18: 2,494,245 km (0.067 R)
• M19: 3,108,644 km (0.094 R)
• M20: 3,351,142 km (0.117 R)
• M21: 3,466,482 km (0.038 R)
• M22: 3,616,678 km (0.119 R)
• M23: 3,923,803 km (0.118 R)
• M24: 4,151,042 km (0.109 R)
• M25: 4,239,604 km (0.098 R)
• M26: 4,382,619 km (0.088 R)
• M27: 4,582,033 km (0.112 R)
• M28: 4,821,539 km (0.061 R)
• M29: 5,409,309 km (0.102 R)
• M30: 5,525,846 km (0.114 R)
• M31: 5,820,554 km (0.036 R)
• M32: 5,959,979 km (0.104 R)
• M33: 6,181,234 km (0.082 R)
• M34: 6,590,534 km (0.072 R)
• M35: 6,882,400 km (0.046 R)
• M36: 6,987,567 km (0.114 R)
• M37: 7,178,454 km (0.119 R)
• M38: 7,371,136 km (0.108 R)
• M39: 7,761,437 km (0.066 R)
• M40: 7,937,065 km (0.117 R)
• M41: 8,047,617 km (0.053 R)
• M42: 8,158,619 km (0.046 R)
• M43: 8,404,558 km (0.09 R)
• M44: 8,653,040 km (0.073 R)
• M45: 8,995,918 km (0.116 R)
• M46: 9,111,109 km (0.104 R)
• M47: 9,718,476 km (0.1 R)
• M48: 10,800,517 km (0.114 R)
• M49: 10,947,722 km (0.07 R)
• M50: 11,268,908 km (0.115 R)
• M51: 11,718,749 km (0.083 R)
• M52: 12,251,018 km (0.101 R)
• M53: 13,155,786 km (0.112 R)
• M54: 13,260,654 km (0.083 R)
• M55: 14,055,318 km (0.12 R)
• M56: 14,404,480 km (0.119 R)
• M57: 15,111,629 km (0.062 R)
• M58: 15,607,695 km (0.056 R)
• M59: 15,690,872 km (0.07 R)
• M60: 15,885,648 km (0.106 R)
• M61: 16,137,122 km (0.095 R)
• M62: 17,271,224 km (0.114 R)
• M63: 17,385,965 km (0.045 R)
• M64: 17,501,156 km (0.108 R)
• M65: 17,674,240 km (0.109 R)
• M66: 17,905,818 km (0.093 R)
• M67: 18,080,249 km (0.047 R)
• M68: 18,430,906 km (0.055 R)
• M69: 18,518,870 km (0.097 R)
• M70: 18,636,454 km (0.104 R)
• M71: 18,754,187 km (0.11 R)
• M72: 19,257,584 km (0.079 R)
• M73: 19,705,480 km (0.072 R)
• M74: 20,126,598 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.1

Radius: 12.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.04 AU - 5.64 AU

Year: 6770 Days

Day: 6.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 43,435,575 km

• M1: 166,502 km (0.11 R)
• M2: 340,186 km (0.081 R)
• M3: 472,430 km (0.108 R)
• M4: 562,488 km (0.091 R)
• M5: 659,876 km (0.114 R)
• M6: 800,349 km (0.119 R)
• M7: 1,374,505 km (0.067 R)
• M8: 1,481,468 km (0.094 R)
• M9: 1,704,219 km (0.093 R)
• M10: 1,904,082 km (0.071 R)
• M11: 2,112,023 km (0.059 R)
• M12: 2,438,146 km (0.08 R)
• M13: 2,569,343 km (0.111 R)
• M14: 2,819,621 km (0.104 R)
• M15: 3,017,539 km (0.09 R)
• M16: 3,448,530 km (0.041 R)
• M17: 3,943,101 km (0.087 R)
• M18: 4,255,162 km (0.105 R)
• M19: 4,738,513 km (0.117 R)
• M20: 5,191,196 km (0.089 R)
• M21: 5,508,942 km (0.078 R)
• M22: 5,607,975 km (0.077 R)
• M23: 6,163,582 km (0.074 R)
• M24: 6,343,997 km (0.085 R)
• M25: 6,657,554 km (0.053 R)
• M26: 6,763,320 km (0.112 R)
• M27: 6,949,569 km (0.081 R)
• M28: 7,110,536 km (0.073 R)
• M29: 7,327,304 km (0.07 R)
• M30: 7,906,397 km (0.096 R)
• M31: 8,300,737 km (0.057 R)
• M32: 8,962,708 km (0.043 R)
• M33: 9,196,828 km (0.103 R)
• M34: 9,344,332 km (0.118 R)
• M35: 9,581,893 km (0.093 R)
• M36: 9,731,341 km (0.069 R)
• M37: 10,706,420 km (0.07 R)
• M38: 11,553,294 km (0.106 R)
• M39: 11,648,737 km (0.106 R)
• M40: 11,872,386 km (0.061 R)
• M41: 12,162,157 km (0.067 R)
• M42: 12,519,397 km (0.06 R)
• M43: 12,748,731 km (0.051 R)
• M44: 13,211,287 km (0.084 R)
• M45: 13,545,040 km (0.12 R)
• M46: 14,597,461 km (0.06 R)
• M47: 14,908,026 km (0.054 R)
• M48: 15,185,829 km (0.086 R)
• M49: 15,290,548 km (0.048 R)
• M50: 15,605,900 km (0.087 R)
• M51: 16,493,165 km (0.056 R)
• M52: 17,214,676 km (0.088 R)
• M53: 17,542,744 km (0.094 R)
• M54: 19,101,255 km (0.055 R)
• M55: 19,289,748 km (0.117 R)
• M56: 19,478,840 km (0.117 R)
• M57: 19,858,818 km (0.112 R)
• M58: 20,049,855 km (0.082 R)
• M59: 20,241,340 km (0.083 R)
• M60: 20,394,977 km (0.089 R)
• M61: 21,091,505 km (0.081 R)
• M62: 21,247,236 km (0.064 R)
• M63: 21,481,805 km (0.073 R)
• M64: 22,388,369 km (0.097 R)
• M65: 23,307,647 km (0.062 R)
• M66: 23,509,156 km (0.102 R)
• M67: 23,589,939 km (0.103 R)
• M68: 23,711,113 km (0.119 R)
• M69: 24,689,034 km (0.104 R)
• M70: 25,100,428 km (0.107 R)
• M71: 25,182,857 km (0.095 R)
• M72: 25,265,584 km (0.066 R)
• M73: 25,846,473 km (0.083 R)
• M74: 26,431,849 km (0.101 R)
• M75: 27,063,900 km (0.114 R)
• M76: 27,445,525 km (0.087 R)
• M77: 27,573,132 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.4

Radius: 7.5

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.65 AU - 7.77 AU

Year: 12309 Days

Day: 20.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 43,435,575 km

• M1: 145,559 km (0.093 R)
• M2: 202,705 km (0.112 R)
• M3: 511,475 km (0.076 R)
• M4: 1,137,991 km (0.091 R)
• M5: 1,420,133 km (0.119 R)
• M6: 1,635,105 km (0.075 R)
• M7: 1,883,736 km (0.057 R)
• M8: 3,158,161 km (0.118 R)
• M9: 3,846,460 km (0.08 R)
• M10: 3,905,851 km (0.034 R)
• M11: 3,965,540 km (0.048 R)
• M12: 4,361,227 km (0.118 R)
• M13: 4,737,615 km (0.104 R)
• M14: 5,189,999 km (0.092 R)
• M15: 5,321,795 km (0.118 R)
• M16: 5,521,657 km (0.105 R)
• M17: 5,860,197 km (0.101 R)
• M18: 6,031,936 km (0.045 R)
• M19: 6,771,548 km (0.043 R)
• M20: 6,915,760 km (0.118 R)
• M21: 7,428,282 km (0.095 R)
• M22: 8,066,916 km (0.056 R)
• M23: 8,181,508 km (0.104 R)
• M24: 8,645,111 km (0.092 R)
• M25: 8,998,312 km (0.082 R)
• M26: 9,678,533 km (0.1 R)
• M27: 10,127,477 km (0.069 R)
• M28: 10,458,238 km (0.064 R)
• M29: 10,625,039 km (0.1 R)
• M30: 10,792,589 km (0.047 R)
• M31: 11,173,016 km (0.106 R)
• M32: 11,300,773 km (0.098 R)
• M33: 11,386,193 km (0.101 R)
• M34: 12,121,167 km (0.045 R)
• M35: 12,737,810 km (0.09 R)
• M36: 13,005,291 km (0.048 R)
• M37: 13,364,775 km (0.115 R)
• M38: 13,818,804 km (0.096 R)
• M39: 14,277,770 km (0.08 R)
• M40: 14,695,148 km (0.1 R)
• M41: 15,022,618 km (0.08 R)
• M42: 15,305,209 km (0.03 R)
• M43: 15,732,310 km (0.054 R)
• M44: 16,695,571 km (0.094 R)
• M45: 17,086,171 km (0.047 R)
• M46: 17,727,348 km (0.033 R)
• M47: 17,876,497 km (0.112 R)
• M48: 18,376,453 km (0.038 R)
• M49: 19,185,927 km (0.091 R)
• M50: 20,162,352 km (0.115 R)
• M51: 21,365,717 km (0.089 R)
• M52: 21,683,463 km (0.057 R)
• M53: 21,736,571 km (0.11 R)
• M54: 24,557,538 km (0.106 R)
• M55: 24,834,892 km (0.075 R)
• M56: 25,001,694 km (0.041 R)
• M57: 26,123,528 km (0.08 R)
• M58: 27,032,934 km (0.085 R)
• M59: 28,532,503 km (0.086 R)
• M60: 28,707,233 km (0.111 R)
• M61: 28,824,069 km (0.058 R)
• M62: 29,116,533 km (0.112 R)
• M63: 30,118,240 km (0.115 R)
• M64: 30,653,202 km (0.087 R)
• M65: 31,071,328 km (0.107 R)
• M66: 31,131,317 km (0.081 R)
• M67: 31,431,410 km (0.068 R)
• M68: 31,853,127 km (0.116 R)
• M69: 31,973,852 km (0.103 R)
• M70: 33,068,310 km (0.098 R)
• M71: 33,313,202 km (0.118 R)
• M72: 34,113,102 km (0.03 R)
• M73: 35,481,324 km (0.116 R)
• M74: 35,731,900 km (0.077 R)
• M75: 35,794,731 km (0.111 R)
• M76: 35,983,225 km (0.101 R)
• M77: 36,487,519 km (0.116 R)
• M78: 36,550,799 km (0.108 R)
• M79: 36,803,919 km (0.077 R)
• M80: 37,121,216 km (0.109 R)
• M81: 37,566,868 km (0.097 R)
• M82: 37,822,381 km (0.044 R)
• M83: 38,528,034 km (0.081 R)
• M84: 38,592,361 km (0.109 R)
• M85: 38,785,642 km (0.065 R)
• M86: 40,213,104 km (0.092 R)
• M87: 40,605,350 km (0.038 R)
• M88: 41,657,621 km (0.117 R)
• M89: 44,935,460 km (0.08 R)
• M90: 45,003,079 km (0.089 R)
• M91: 45,342,367 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.2

Radius: 5.6

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.15 AU - 10.39 AU

Year: 19417 Days

Day: 16 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 43,435,575 km

• M1: 126,709 km (0.115 R)
• M2: 183,257 km (0.095 R)
• M3: 317,895 km (0.073 R)
• M4: 416,630 km (0.113 R)
• M5: 456,274 km (0.101 R)
• M6: 723,007 km (0.097 R)
• M7: 821,741 km (0.047 R)
• M8: 1,050,925 km (0.067 R)
• M9: 1,144,274 km (0.112 R)
• M10: 1,240,466 km (0.038 R)
• M11: 1,339,499 km (0.083 R)
• M12: 1,695,093 km (0.12 R)
• M13: 2,055,624 km (0.091 R)
• M14: 2,949,771 km (0.074 R)
• M15: 3,381,361 km (0.101 R)
• M16: 3,492,362 km (0.101 R)
• M17: 4,272,814 km (0.087 R)
• M18: 4,821,988 km (0.075 R)
• M19: 5,457,929 km (0.105 R)
• M20: 5,588,228 km (0.087 R)
• M21: 5,985,560 km (0.081 R)
• M22: 6,633,020 km (0.112 R)
• M23: 6,842,158 km (0.111 R)
• M24: 7,124,299 km (0.058 R)
• M25: 7,772,956 km (0.026 R)
• M26: 7,846,259 km (0.06 R)
• M27: 8,478,160 km (0.076 R)
• M28: 8,704,950 km (0.116 R)
• M29: 9,242,156 km (0.099 R)
• M30: 9,514,873 km (0.104 R)
• M31: 9,790,133 km (0.094 R)
• M32: 10,469,607 km (0.067 R)
• M33: 10,713,003 km (0.075 R)
• M34: 10,958,343 km (0.119 R)
• M35: 11,747,173 km (0.078 R)
• M36: 12,212,273 km (0.116 R)
• M37: 13,160,424 km (0.058 R)
• M38: 13,820,450 km (0.086 R)
• M39: 13,998,322 km (0.094 R)
• M40: 14,491,097 km (0.118 R)
• M41: 14,853,124 km (0.098 R)
• M42: 15,540,077 km (0.096 R)
• M43: 16,284,027 km (0.115 R)
• M44: 16,613,143 km (0.088 R)
• M45: 16,707,539 km (0.091 R)
• M46: 17,277,956 km (0.108 R)
• M47: 17,421,570 km (0.082 R)
• M48: 17,854,805 km (0.119 R)
• M49: 18,145,474 km (0.104 R)
• M50: 18,194,093 km (0.117 R)
• M51: 18,242,862 km (0.051 R)
• M52: 18,291,481 km (0.104 R)
• M53: 18,437,938 km (0.109 R)
• M54: 18,584,693 km (0.119 R)
• M55: 18,731,748 km (0.039 R)
• M56: 18,928,619 km (0.079 R)
• M57: 19,027,204 km (0.12 R)
• M58: 19,872,581 km (0.09 R)
• M59: 19,922,696 km (0.114 R)
• M60: 20,274,700 km (0.088 R)
• M61: 20,679,512 km (0.12 R)
• M62: 21,342,979 km (0.093 R)
• M63: 22,169,058 km (0.106 R)
• M64: 23,533,540 km (0.114 R)
• M65: 24,386,697 km (0.097 R)
• M66: 24,925,100 km (0.085 R)
• M67: 25,358,634 km (0.07 R)
• M68: 25,849,315 km (0.056 R)
• M69: 26,068,476 km (0.099 R)
• M70: 26,123,229 km (0.026 R)
• M71: 27,731,107 km (0.116 R)
• M72: 29,142,712 km (0.071 R)
• M73: 29,427,846 km (0.115 R)
• M74: 30,867,277 km (0.095 R)
• M75: 30,983,514 km (0.091 R)
• M76: 31,566,348 km (0.113 R)
• M77: 31,741,975 km (0.114 R)
• M78: 32,211,713 km (0.097 R)
• M79: 32,743,084 km (0.078 R)
• M80: 32,920,807 km (0.09 R)
• M81: 33,336,689 km (0.108 R)
• M82: 35,260,368 km (0.116 R)
• M83: 36,849,546 km (0.037 R)
• M84: 36,972,815 km (0.096 R)
• M85: 37,096,083 km (0.094 R)
• M86: 37,901,219 km (0.097 R)
• M87: 38,025,684 km (0.081 R)
• M88: 38,399,529 km (0.043 R)
• M89: 39,970,756 km (0.112 R)
• M90: 40,668,780 km (0.117 R)
• M91: 42,463,505 km (0.103 R)
• M92: 42,528,131 km (0.073 R)
• M93: 43,045,890 km (0.099 R)
• M94: 43,175,591 km (0.108 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: 306 - 11,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit