🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.46 AU - 0.62 AU

Year: 143 Days

Day: 13.3 Hours

Environment

Temp: 195 °C

Axial Tilt: 5.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.12 AU - 1.18 AU

Year: 444 Days

Day: 43.2 Hours

Environment

Temp: 25 °C

Axial Tilt: 36.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.93 AU - 1.53 AU

Year: 491 Days

Day: 45.3 Hours

Environment

Temp: 13 °C

Axial Tilt: 37.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.31 AU - 1.87 AU

Year: 722 Days

Day: 35 Hours

Environment

Temp: -38 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.33 AU - 3.53 AU

Year: 1805 Days

Day: 35 Hours

Environment

Temp: -101 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.24 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.5

Radius: 12.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.34 AU - 5.76 AU

Year: 4706 Days

Day: 8.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 105,035,214 km

• M1: 158,873 km (0.083 R)
• M2: 314,604 km (0.088 R)
• M3: 404,064 km (0.091 R)
• M4: 525,537 km (0.11 R)
• M5: 640,279 km (0.111 R)
• M6: 1,040,453 km (0.054 R)
• M7: 1,148,912 km (0.057 R)
• M8: 1,319,154 km (0.074 R)
• M9: 1,452,595 km (0.096 R)
• M10: 1,544,299 km (0.113 R)
• M11: 1,914,254 km (0.091 R)
• M12: 3,469,773 km (0.07 R)
• M13: 3,636,275 km (0.074 R)
• M14: 3,933,975 km (0.043 R)
• M15: 4,020,443 km (0.074 R)
• M16: 4,598,788 km (0.099 R)
• M17: 4,851,459 km (0.068 R)
• M18: 5,038,007 km (0.11 R)
• M19: 5,346,478 km (0.079 R)
• M20: 5,710,001 km (0.116 R)
• M21: 5,857,804 km (0.113 R)
• M22: 6,283,260 km (0.044 R)
• M23: 6,461,282 km (0.092 R)
• M24: 6,563,906 km (0.032 R)
• M25: 6,718,740 km (0.053 R)
• M26: 7,084,806 km (0.07 R)
• M27: 7,190,721 km (0.089 R)
• M28: 7,619,169 km (0.07 R)
• M29: 7,700,550 km (0.101 R)
• M30: 7,891,288 km (0.116 R)
• M31: 8,277,699 km (0.112 R)
• M32: 8,361,324 km (0.119 R)
• M33: 8,557,447 km (0.062 R)
• M34: 8,670,244 km (0.085 R)
• M35: 8,868,760 km (0.05 R)
• M36: 9,619,741 km (0.113 R)
• M37: 9,737,026 km (0.088 R)
• M38: 10,602,001 km (0.098 R)
• M39: 10,784,062 km (0.078 R)
• M40: 11,212,809 km (0.059 R)
• M41: 11,616,125 km (0.07 R)
• M42: 11,835,286 km (0.097 R)
• M43: 12,500,847 km (0.065 R)
• M44: 13,308,975 km (0.115 R)
• M45: 14,806,150 km (0.105 R)
• M46: 15,799,181 km (0.065 R)
• M47: 16,042,128 km (0.098 R)
• M48: 16,181,403 km (0.089 R)
• M49: 16,356,134 km (0.081 R)
• M50: 16,601,923 km (0.113 R)
• M51: 16,778,299 km (0.115 R)
• M52: 17,097,092 km (0.063 R)
• M53: 17,417,979 km (0.1 R)
• M54: 17,704,908 km (0.093 R)
• M55: 18,868,331 km (0.111 R)
• M56: 19,052,336 km (0.082 R)
• M57: 19,236,940 km (0.071 R)
• M58: 19,496,342 km (0.077 R)
• M59: 19,906,540 km (0.111 R)
• M60: 20,281,731 km (0.105 R)
• M61: 21,153,737 km (0.069 R)
• M62: 22,231,889 km (0.087 R)
• M63: 22,309,530 km (0.09 R)
• M64: 22,426,217 km (0.112 R)
• M65: 23,327,843 km (0.098 R)
• M66: 24,081,517 km (0.096 R)
• M67: 24,521,485 km (0.07 R)
• M68: 24,601,819 km (0.067 R)
• M69: 25,004,536 km (0.107 R)
• M70: 25,450,039 km (0.107 R)
• M71: 25,612,801 km (0.09 R)
• M72: 25,816,553 km (0.109 R)
• M73: 25,898,234 km (0.109 R)
• M74: 26,513,679 km (0.111 R)
• M75: 26,802,403 km (0.049 R)
• M76: 27,258,527 km (0.106 R)
• M77: 28,094,181 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.6

Radius: 12.5

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.17 AU - 9.71 AU

Year: 8824 Days

Day: 12.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 105,035,214 km

• M1: 165,455 km (0.046 R)
• M2: 259,253 km (0.064 R)
• M3: 382,372 km (0.089 R)
• M4: 827,725 km (0.089 R)
• M5: 986,149 km (0.072 R)
• M6: 1,103,434 km (0.09 R)
• M7: 1,208,152 km (0.056 R)
• M8: 1,824,047 km (0.104 R)
• M9: 1,992,344 km (0.048 R)
• M10: 2,504,867 km (0.115 R)
• M11: 2,812,590 km (0.1 R)
• M12: 3,057,780 km (0.056 R)
• M13: 3,361,315 km (0.082 R)
• M14: 3,674,872 km (0.117 R)
• M15: 3,754,757 km (0.094 R)
• M16: 3,943,400 km (0.088 R)
• M17: 4,358,534 km (0.094 R)
• M18: 4,875,095 km (0.071 R)
• M19: 5,381,035 km (0.085 R)
• M20: 5,779,415 km (0.099 R)
• M21: 6,187,368 km (0.055 R)
• M22: 7,568,755 km (0.1 R)
• M23: 8,259,149 km (0.06 R)
• M24: 9,114,250 km (0.087 R)
• M25: 9,296,012 km (0.104 R)
• M26: 9,997,476 km (0.077 R)
• M27: 10,525,407 km (0.09 R)
• M28: 11,101,060 km (0.042 R)
• M29: 12,283,032 km (0.075 R)
• M30: 13,257,214 km (0.105 R)
• M31: 13,753,729 km (0.118 R)
• M32: 14,637,254 km (0.057 R)
• M33: 17,486,495 km (0.077 R)
• M34: 18,305,095 km (0.119 R)
• M35: 18,396,798 km (0.101 R)
• M36: 18,904,234 km (0.055 R)
• M37: 18,996,985 km (0.11 R)
• M38: 19,885,447 km (0.089 R)
• M39: 20,453,769 km (0.114 R)
• M40: 20,739,800 km (0.12 R)
• M41: 21,075,348 km (0.113 R)
• M42: 21,412,542 km (0.087 R)
• M43: 23,076,220 km (0.102 R)
• M44: 23,573,333 km (0.11 R)
• M45: 23,773,196 km (0.105 R)
• M46: 24,224,982 km (0.079 R)
• M47: 24,426,640 km (0.065 R)
• M48: 25,035,204 km (0.08 R)
• M49: 26,630,067 km (0.109 R)
• M50: 27,151,565 km (0.09 R)
• M51: 27,518,528 km (0.12 R)
• M52: 27,781,821 km (0.093 R)
• M53: 28,523,078 km (0.112 R)
• M54: 29,163,806 km (0.095 R)
• M55: 29,539,745 km (0.083 R)
• M56: 30,786,195 km (0.119 R)
• M57: 31,939,145 km (0.098 R)
• M58: 32,382,254 km (0.085 R)
• M59: 33,442,454 km (0.116 R)
• M60: 34,344,081 km (0.089 R)
• M61: 35,253,636 km (0.083 R)
• M62: 35,998,633 km (0.114 R)
• M63: 36,401,949 km (0.081 R)
• M64: 37,387,500 km (0.116 R)
• M65: 38,499,461 km (0.113 R)
• M66: 38,970,844 km (0.087 R)
• M67: 39,622,193 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.1

Radius: 14.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.68 AU - 11.86 AU

Year: 11845 Days

Day: 5.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 105,035,214 km

• M1: 217,515 km (0.071 R)
• M2: 574,905 km (0.114 R)
• M3: 823,985 km (0.082 R)
• M4: 983,456 km (0.102 R)
• M5: 1,244,056 km (0.059 R)
• M6: 1,577,360 km (0.06 R)
• M7: 1,913,058 km (0.074 R)
• M8: 2,103,496 km (0.094 R)
• M9: 2,271,943 km (0.056 R)
• M10: 3,442,546 km (0.066 R)
• M11: 3,881,167 km (0.108 R)
• M12: 4,019,844 km (0.064 R)
• M13: 4,195,472 km (0.118 R)
• M14: 4,554,657 km (0.091 R)
• M15: 5,074,360 km (0.087 R)
• M16: 5,613,211 km (0.059 R)
• M17: 5,730,945 km (0.109 R)
• M18: 6,089,681 km (0.102 R)
• M19: 6,210,855 km (0.119 R)
• M20: 6,496,886 km (0.069 R)
• M21: 6,662,341 km (0.027 R)
• M22: 6,829,143 km (0.087 R)
• M23: 7,124,449 km (0.059 R)
• M24: 7,294,991 km (0.091 R)
• M25: 9,494,229 km (0.115 R)
• M26: 10,254,036 km (0.109 R)
• M27: 10,984,074 km (0.117 R)
• M28: 11,882,409 km (0.116 R)
• M29: 11,983,687 km (0.114 R)
• M30: 12,085,264 km (0.111 R)
• M31: 12,187,140 km (0.04 R)
• M32: 12,546,025 km (0.119 R)
• M33: 13,221,609 km (0.054 R)
• M34: 13,326,627 km (0.06 R)
• M35: 13,431,794 km (0.098 R)
• M36: 13,749,391 km (0.078 R)
• M37: 13,909,012 km (0.071 R)
• M38: 14,337,909 km (0.11 R)
• M39: 14,554,078 km (0.081 R)
• M40: 14,934,804 km (0.104 R)
• M41: 15,208,868 km (0.105 R)
• M42: 15,374,024 km (0.114 R)
• M43: 16,152,830 km (0.108 R)
• M44: 17,001,648 km (0.071 R)
• M45: 17,691,145 km (0.057 R)
• M46: 18,039,409 km (0.066 R)
• M47: 18,448,559 km (0.086 R)
• M48: 18,801,610 km (0.091 R)
• M49: 22,642,386 km (0.112 R)
• M50: 24,103,359 km (0.081 R)
• M51: 26,318,454 km (0.107 R)
• M52: 26,583,392 km (0.077 R)
• M53: 26,915,798 km (0.042 R)
• M54: 27,316,422 km (0.066 R)
• M55: 27,921,096 km (0.102 R)
• M56: 28,123,652 km (0.103 R)
• M57: 28,598,027 km (0.107 R)
• M58: 29,623,819 km (0.11 R)
• M59: 29,968,343 km (0.106 R)
• M60: 30,592,017 km (0.083 R)
• M61: 30,870,568 km (0.105 R)
• M62: 31,360,052 km (0.114 R)
• M63: 32,063,760 km (0.076 R)
• M64: 32,559,528 km (0.09 R)
• M65: 33,272,062 km (0.083 R)
• M66: 33,486,885 km (0.118 R)
• M67: 33,702,156 km (0.113 R)
• M68: 34,422,919 km (0.04 R)
• M69: 34,712,690 km (0.097 R)
• M70: 34,857,800 km (0.084 R)
• M71: 36,763,527 km (0.096 R)
• M72: 37,133,931 km (0.09 R)
• M73: 38,702,914 km (0.078 R)
• M74: 39,004,204 km (0.12 R)
• M75: 39,533,481 km (0.071 R)
• M76: 41,288,863 km (0.118 R)
• M77: 43,382,036 km (0.079 R)
• M78: 43,930,312 km (0.097 R)
• M79: 44,559,820 km (0.118 R)
• M80: 45,509,467 km (0.06 R)
• M81: 46,706,101 km (0.095 R)
• M82: 49,456,607 km (0.091 R)
• M83: 53,679,755 km (0.071 R)
• M84: 56,132,263 km (0.112 R)
• M85: 56,473,346 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.2

Radius: 3.2

Gravity: 17.6 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 13.06 AU - 19.1 AU

Year: 23206 Days

Day: 20 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 105,035,214 km

• M1: 159,023 km (0.12 R)
• M2: 265,387 km (0.054 R)
• M3: 553,363 km (0.091 R)
• M4: 587,920 km (0.117 R)
• M5: 972,685 km (0.115 R)
• M6: 1,079,049 km (0.12 R)
• M7: 1,279,959 km (0.105 R)
• M8: 1,372,860 km (0.09 R)
• M9: 1,492,239 km (0.066 R)
• M10: 1,792,182 km (0.115 R)
• M11: 1,896,303 km (0.12 R)
• M12: 2,029,146 km (0.081 R)
• M13: 3,612,489 km (0.085 R)
• M14: 3,743,986 km (0.075 R)
• M15: 4,147,900 km (0.112 R)
• M16: 4,320,237 km (0.116 R)
• M17: 4,565,428 km (0.03 R)
• M18: 5,106,075 km (0.115 R)
• M19: 5,819,357 km (0.052 R)
• M20: 6,523,365 km (0.117 R)
• M21: 6,683,584 km (0.09 R)
• M22: 7,089,443 km (0.087 R)
• M23: 7,461,493 km (0.109 R)
• M24: 7,503,231 km (0.066 R)
• M25: 7,797,490 km (0.095 R)
• M26: 8,615,192 km (0.117 R)
• M27: 9,686,462 km (0.107 R)
• M28: 11,370,037 km (0.108 R)
• M29: 12,097,681 km (0.061 R)
• M30: 12,442,504 km (0.062 R)
• M31: 12,690,687 km (0.054 R)
• M32: 15,049,695 km (0.111 R)
• M33: 16,116,478 km (0.091 R)
• M34: 16,932,385 km (0.113 R)
• M35: 16,987,287 km (0.111 R)
• M36: 17,650,454 km (0.097 R)
• M37: 18,831,081 km (0.105 R)
• M38: 19,058,918 km (0.088 R)
• M39: 21,504,844 km (0.068 R)
• M40: 21,564,383 km (0.096 R)
• M41: 22,101,739 km (0.116 R)
• M42: 27,260,173 km (0.059 R)
• M43: 27,388,977 km (0.091 R)
• M44: 28,035,389 km (0.114 R)
• M45: 28,360,615 km (0.072 R)
• M46: 29,211,827 km (0.118 R)
• M47: 29,475,418 km (0.082 R)
• M48: 31,680,042 km (0.094 R)
• M49: 33,867,911 km (0.102 R)
• M50: 35,681,187 km (0.115 R)
• M51: 35,962,879 km (0.071 R)
• M52: 36,033,490 km (0.12 R)
• M53: 37,311,355 km (0.112 R)
• M54: 37,454,220 km (0.104 R)
• M55: 37,668,893 km (0.068 R)
• M56: 37,812,208 km (0.112 R)
• M57: 38,893,053 km (0.051 R)
• M58: 43,391,910 km (0.118 R)
• M59: 48,675,108 km (0.087 R)
• M60: 49,222,337 km (0.071 R)
• M61: 49,614,433 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.6

Radius: 6.2

Gravity: 21.14 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 16.33 AU - 21.65 AU

Year: 29782 Days

Day: 18.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 122.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 105,035,214 km

• M1: 373,995 km (0.073 R)
• M2: 1,619,696 km (0.093 R)
• M3: 1,697,487 km (0.107 R)
• M4: 1,776,475 km (0.059 R)
• M5: 2,189,963 km (0.108 R)
• M6: 2,319,665 km (0.105 R)
• M7: 2,911,025 km (0.081 R)
• M8: 3,006,020 km (0.062 R)
• M9: 3,699,256 km (0.076 R)
• M10: 3,958,659 km (0.111 R)
• M11: 4,331,457 km (0.108 R)
• M12: 4,604,772 km (0.118 R)
• M13: 5,341,242 km (0.042 R)
• M14: 5,399,436 km (0.112 R)
• M15: 5,872,315 km (0.105 R)
• M16: 6,606,392 km (0.12 R)
• M17: 7,175,761 km (0.116 R)
• M18: 7,695,015 km (0.078 R)
• M19: 8,976,321 km (0.084 R)
• M20: 9,394,597 km (0.095 R)
• M21: 10,249,848 km (0.04 R)
• M22: 11,729,969 km (0.095 R)
• M23: 12,572,205 km (0.119 R)
• M24: 13,991,889 km (0.053 R)
• M25: 15,130,777 km (0.118 R)
• M26: 15,627,891 km (0.099 R)
• M27: 16,553,304 km (0.086 R)
• M28: 18,368,524 km (0.11 R)
• M29: 19,523,569 km (0.085 R)
• M30: 19,883,651 km (0.088 R)
• M31: 19,974,009 km (0.098 R)
• M32: 22,653,606 km (0.075 R)
• M33: 25,935,633 km (0.115 R)
• M34: 26,232,286 km (0.108 R)
• M35: 27,129,125 km (0.093 R)
• M36: 27,732,453 km (0.112 R)
• M37: 28,543,872 km (0.108 R)
• M38: 28,747,924 km (0.119 R)
• M39: 30,086,077 km (0.096 R)
• M40: 30,606,079 km (0.05 R)
• M41: 32,184,037 km (0.099 R)
• M42: 32,502,830 km (0.069 R)
• M43: 32,822,670 km (0.111 R)
• M44: 37,519,894 km (0.092 R)
• M45: 37,631,644 km (0.106 R)
• M46: 37,967,341 km (0.089 R)
• M47: 40,117,212 km (0.048 R)
• M48: 41,726,287 km (0.088 R)
• M49: 46,558,597 km (0.117 R)
• M50: 48,370,228 km (0.118 R)
• M51: 48,613,474 km (0.057 R)
• M52: 51,316,408 km (0.109 R)
• M53: 51,688,757 km (0.118 R)
• M54: 51,937,538 km (0.083 R)
• M55: 53,061,766 km (0.099 R)
• M56: 56,738,433 km (0.051 R)
• M57: 59,451,690 km (0.119 R)
• M58: 60,758,427 km (0.119 R)
• M59: 61,283,815 km (0.102 R)
• M60: 61,810,699 km (0.042 R)
• M61: 62,206,834 km (0.116 R)
• M62: 64,467,557 km (0.078 R)
• M63: 65,810,048 km (0.101 R)
• M64: 66,890,444 km (0.053 R)
• M65: 67,025,980 km (0.107 R)
• M66: 67,161,515 km (0.114 R)
• M67: 67,297,201 km (0.034 R)
• M68: 67,433,035 km (0.098 R)
• M69: 68,932,305 km (0.046 R)
• M70: 70,856,283 km (0.093 R)
• M71: 71,132,591 km (0.111 R)
• M72: 72,658,639 km (0.11 R)
• M73: 73,076,765 km (0.053 R)
• M74: 76,591,567 km (0.071 R)
• M75: 77,443,227 km (0.054 R)
• M76: 81,025,797 km (0.057 R)
• M77: 85,101,890 km (0.069 R)
• M78: 85,542,606 km (0.078 R)
• M79: 87,312,797 km (0.067 R)
• M80: 88,946,107 km (0.072 R)
• M81: 89,990,749 km (0.073 R)
• M82: 91,189,626 km (0.114 R)
• M83: 91,640,514 km (0.114 R)
• M84: 91,791,009 km (0.043 R)
• M85: 94,361,699 km (0.103 R)
• M86: 95,426,986 km (0.097 R)
• M87: 95,884,755 km (0.103 R)
• M88: 96,037,644 km (0.107 R)
• M89: 96,802,538 km (0.114 R)
• M90: 97,569,676 km (0.103 R)
• M91: 99,264,321 km (0.088 R)
• M92: 99,573,390 km (0.113 R)
• M93: 99,728,074 km (0.112 R)
• M94: 100,347,709 km (0.096 R)
• M95: 102,370,122 km (0.103 R)
• M96: 102,838,812 km (0.086 R)
• M97: 104,249,071 km (0.104 R)

Kuiper Belt

Range: 30.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 17,283 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit