🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.6 AU - 0.7 AU

Year: 186 Days

Day: 17.5 Hours

Environment

Temp: 171 °C

Axial Tilt: 5.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 90,745,491 km

• M1: 34,108 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.92 AU - 1.52 AU

Year: 478 Days

Day: 20.3 Hours

Environment

Temp: 15 °C

Axial Tilt: 11.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.6 AU - 4.28 AU

Year: 2263 Days

Day: 14.9 Hours

Environment

Temp: -95 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,745,491 km

• M1: 891,005 km (0.038 R)

Planet 4 - Terrestrial

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.87 AU - 5.19 AU

Year: 4002 Days

Day: 42.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.8

Radius: 8

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.28 AU - 6.32 AU

Year: 4955 Days

Day: 12.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 90,745,491 km

• M1: 100,231 km (0.077 R)
• M2: 297,401 km (0.073 R)
• M3: 458,368 km (0.117 R)
• M4: 515,514 km (0.113 R)
• M5: 616,792 km (0.081 R)
• M6: 713,881 km (0.109 R)
• M7: 863,778 km (0.075 R)
• M8: 1,167,611 km (0.085 R)
• M9: 1,518,269 km (0.118 R)
• M10: 1,713,344 km (0.098 R)
• M11: 2,278,226 km (0.074 R)
• M12: 2,380,701 km (0.052 R)
• M13: 2,607,790 km (0.102 R)
• M14: 2,697,100 km (0.073 R)
• M15: 2,751,105 km (0.112 R)
• M16: 2,915,513 km (0.111 R)
• M17: 2,971,014 km (0.119 R)
• M18: 3,311,498 km (0.042 R)
• M19: 3,408,438 km (0.066 R)
• M20: 4,729,237 km (0.103 R)
• M21: 5,859,449 km (0.088 R)
• M22: 5,929,760 km (0.073 R)
• M23: 6,000,371 km (0.085 R)
• M24: 6,118,852 km (0.048 R)
• M25: 7,043,965 km (0.111 R)
• M26: 7,804,820 km (0.083 R)
• M27: 8,485,191 km (0.101 R)
• M28: 8,591,555 km (0.108 R)
• M29: 8,752,074 km (0.096 R)
• M30: 8,967,345 km (0.08 R)
• M31: 9,735,081 km (0.117 R)
• M32: 9,790,732 km (0.094 R)
• M33: 9,874,357 km (0.075 R)
• M34: 10,155,003 km (0.109 R)
• M35: 10,609,481 km (0.077 R)
• M36: 10,695,350 km (0.092 R)
• M37: 10,925,731 km (0.096 R)
• M38: 11,041,520 km (0.049 R)
• M39: 11,215,951 km (0.1 R)
• M40: 11,450,071 km (0.037 R)
• M41: 11,597,126 km (0.097 R)
• M42: 12,042,180 km (0.116 R)
• M43: 12,432,331 km (0.04 R)
• M44: 12,796,303 km (0.051 R)
• M45: 12,979,560 km (0.071 R)
• M46: 13,410,552 km (0.074 R)
• M47: 13,472,485 km (0.102 R)
• M48: 13,783,798 km (0.05 R)
• M49: 13,877,596 km (0.04 R)
• M50: 14,445,170 km (0.106 R)
• M51: 15,084,552 km (0.091 R)
• M52: 15,407,683 km (0.11 R)
• M53: 15,570,146 km (0.047 R)
• M54: 16,357,779 km (0.067 R)
• M55: 16,623,315 km (0.06 R)
• M56: 17,665,265 km (0.106 R)
• M57: 17,733,182 km (0.106 R)
• M58: 18,040,007 km (0.107 R)
• M59: 19,180,242 km (0.118 R)
• M60: 19,250,104 km (0.054 R)
• M61: 19,530,301 km (0.094 R)
• M62: 19,847,299 km (0.117 R)
• M63: 20,486,082 km (0.074 R)
• M64: 20,879,824 km (0.101 R)
• M65: 20,951,780 km (0.099 R)
• M66: 21,023,737 km (0.09 R)
• M67: 21,384,716 km (0.098 R)
• M68: 22,701,028 km (0.114 R)
• M69: 22,848,980 km (0.094 R)
• M70: 22,960,132 km (0.066 R)
• M71: 23,705,428 km (0.047 R)
• M72: 24,118,767 km (0.098 R)
• M73: 24,269,711 km (0.118 R)
• M74: 24,876,480 km (0.054 R)
• M75: 25,143,513 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.1

Radius: 14

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.28 AU - 6.4 AU

Year: 5663 Days

Day: 5.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 90,745,491 km

• M1: 215,421 km (0.061 R)
• M2: 330,312 km (0.097 R)
• M3: 522,097 km (0.109 R)
• M4: 748,438 km (0.048 R)
• M5: 892,052 km (0.026 R)
• M6: 1,261,858 km (0.111 R)
• M7: 1,382,434 km (0.106 R)
• M8: 1,507,049 km (0.056 R)
• M9: 1,723,816 km (0.102 R)
• M10: 2,124,140 km (0.099 R)
• M11: 2,319,066 km (0.072 R)
• M12: 2,435,603 km (0.073 R)
• M13: 2,605,696 km (0.094 R)
• M14: 3,269,312 km (0.107 R)
• M15: 3,514,802 km (0.111 R)
• M16: 3,668,888 km (0.11 R)
• M17: 3,786,023 km (0.048 R)
• M18: 3,924,401 km (0.069 R)
• M19: 4,328,914 km (0.04 R)
• M20: 4,536,256 km (0.099 R)
• M21: 4,746,890 km (0.115 R)
• M22: 5,354,257 km (0.08 R)
• M23: 5,465,259 km (0.088 R)
• M24: 5,735,134 km (0.096 R)
• M25: 6,405,182 km (0.08 R)
• M26: 6,523,365 km (0.08 R)
• M27: 6,618,359 km (0.096 R)
• M28: 6,761,674 km (0.083 R)
• M29: 7,124,748 km (0.074 R)
• M30: 7,543,921 km (0.117 R)
• M31: 7,844,613 km (0.114 R)
• M32: 8,483,994 km (0.093 R)
• M33: 9,246,794 km (0.101 R)
• M34: 9,840,099 km (0.114 R)
• M35: 10,224,117 km (0.062 R)
• M36: 10,501,471 km (0.085 R)
• M37: 10,641,196 km (0.117 R)
• M38: 11,092,084 km (0.039 R)
• M39: 11,635,872 km (0.086 R)
• M40: 11,896,471 km (0.075 R)
• M41: 12,012,859 km (0.056 R)
• M42: 12,100,523 km (0.081 R)
• M43: 12,452,976 km (0.099 R)
• M44: 12,749,329 km (0.079 R)
• M45: 13,258,410 km (0.107 R)
• M46: 13,713,338 km (0.102 R)
• M47: 14,234,985 km (0.111 R)
• M48: 14,451,603 km (0.099 R)
• M49: 14,544,952 km (0.073 R)
• M50: 14,794,481 km (0.027 R)
• M51: 15,171,468 km (0.05 R)
• M52: 15,424,588 km (0.071 R)
• M53: 15,615,325 km (0.062 R)
• M54: 15,870,988 km (0.114 R)
• M55: 16,127,847 km (0.09 R)
• M56: 16,515,904 km (0.04 R)
• M57: 16,645,905 km (0.11 R)
• M58: 17,301,293 km (0.081 R)
• M59: 17,831,617 km (0.064 R)
• M60: 17,998,569 km (0.104 R)
• M61: 18,098,949 km (0.089 R)
• M62: 18,300,158 km (0.091 R)
• M63: 18,704,970 km (0.114 R)
• M64: 18,806,547 km (0.046 R)
• M65: 19,044,557 km (0.113 R)
• M66: 19,180,990 km (0.118 R)
• M67: 19,937,058 km (0.109 R)
• M68: 20,667,843 km (0.085 R)
• M69: 21,834,108 km (0.088 R)
• M70: 22,299,358 km (0.115 R)
• M71: 22,949,061 km (0.09 R)
• M72: 23,130,524 km (0.098 R)
• M73: 23,641,550 km (0.089 R)
• M74: 24,414,971 km (0.116 R)
• M75: 24,563,222 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.4

Radius: 13.8

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.31 AU - 9.89 AU

Year: 8178 Days

Day: 12.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 90,745,491 km

• M1: 404,812 km (0.1 R)
• M2: 494,571 km (0.112 R)
• M3: 1,018,911 km (0.069 R)
• M4: 1,135,448 km (0.064 R)
• M5: 1,419,983 km (0.115 R)
• M6: 2,825,904 km (0.083 R)
• M7: 3,067,804 km (0.12 R)
• M8: 3,624,308 km (0.089 R)
• M9: 4,630,652 km (0.095 R)
• M10: 4,744,496 km (0.092 R)
• M11: 4,975,027 km (0.103 R)
• M12: 5,780,462 km (0.032 R)
• M13: 6,182,880 km (0.037 R)
• M14: 6,276,977 km (0.084 R)
• M15: 6,466,817 km (0.091 R)
• M16: 7,047,705 km (0.076 R)
• M17: 7,712,817 km (0.105 R)
• M18: 7,814,394 km (0.109 R)
• M19: 8,537,550 km (0.112 R)
• M20: 8,642,718 km (0.114 R)
• M21: 10,010,940 km (0.057 R)
• M22: 10,121,792 km (0.105 R)
• M23: 10,758,032 km (0.069 R)
• M24: 11,253,350 km (0.079 R)
• M25: 11,600,567 km (0.078 R)
• M26: 11,795,044 km (0.098 R)
• M27: 12,108,601 km (0.103 R)
• M28: 12,504,288 km (0.075 R)
• M29: 12,904,163 km (0.04 R)
• M30: 13,308,376 km (0.119 R)
• M31: 13,840,047 km (0.069 R)
• M32: 14,629,774 km (0.112 R)
• M33: 15,263,471 km (0.054 R)
• M34: 15,562,367 km (0.12 R)
• M35: 15,992,611 km (0.108 R)
• M36: 16,426,893 km (0.083 R)
• M37: 17,173,985 km (0.071 R)
• M38: 17,440,269 km (0.073 R)
• M39: 17,887,268 km (0.093 R)
• M40: 18,655,902 km (0.078 R)
• M41: 21,310,665 km (0.102 R)
• M42: 21,932,693 km (0.116 R)
• M43: 22,077,055 km (0.083 R)
• M44: 22,366,826 km (0.12 R)
• M45: 22,463,616 km (0.077 R)
• M46: 23,439,892 km (0.08 R)
• M47: 23,735,348 km (0.058 R)
• M48: 23,982,633 km (0.07 R)
• M49: 24,330,298 km (0.088 R)
• M50: 25,080,681 km (0.09 R)
• M51: 25,686,702 km (0.089 R)
• M52: 26,553,173 km (0.117 R)
• M53: 28,998,799 km (0.04 R)
• M54: 29,528,376 km (0.069 R)
• M55: 29,847,618 km (0.081 R)
• M56: 29,954,281 km (0.097 R)
• M57: 30,221,612 km (0.099 R)
• M58: 30,489,692 km (0.118 R)
• M59: 31,136,254 km (0.076 R)
• M60: 33,545,527 km (0.071 R)
• M61: 33,934,332 km (0.056 R)
• M62: 34,324,633 km (0.083 R)
• M63: 34,716,430 km (0.115 R)
• M64: 35,053,474 km (0.107 R)
• M65: 35,222,370 km (0.115 R)
• M66: 35,391,565 km (0.075 R)
• M67: 36,184,733 km (0.078 R)
• M68: 37,041,031 km (0.077 R)
• M69: 38,251,128 km (0.031 R)
• M70: 38,367,067 km (0.059 R)
• M71: 38,483,005 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.4

Radius: 14.1

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 11.05 AU - 11.93 AU

Year: 13817 Days

Day: 10 Hours

Environment

Temp: -167 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 90,745,491 km

• M1: 249,080 km (0.097 R)
• M2: 369,956 km (0.038 R)
• M3: 459,116 km (0.119 R)
• M4: 612,154 km (0.111 R)
• M5: 1,515,426 km (0.051 R)
• M6: 2,867,342 km (0.077 R)
• M7: 3,070,048 km (0.076 R)
• M8: 3,277,540 km (0.081 R)
• M9: 3,706,736 km (0.066 R)
• M10: 4,078,188 km (0.056 R)
• M11: 4,268,626 km (0.089 R)
• M12: 4,384,265 km (0.066 R)
• M13: 4,618,834 km (0.087 R)
• M14: 5,305,788 km (0.071 R)
• M15: 5,725,111 km (0.069 R)
• M16: 6,111,671 km (0.07 R)
• M17: 6,551,340 km (0.085 R)
• M18: 6,955,852 km (0.111 R)
• M19: 7,461,343 km (0.105 R)
• M20: 7,789,412 km (0.088 R)
• M21: 9,348,521 km (0.104 R)
• M22: 9,449,050 km (0.032 R)
• M23: 10,579,711 km (0.09 R)
• M24: 11,916,069 km (0.115 R)
• M25: 13,589,171 km (0.101 R)
• M26: 13,932,648 km (0.115 R)
• M27: 14,105,434 km (0.093 R)
• M28: 14,569,785 km (0.092 R)
• M29: 14,745,114 km (0.088 R)
• M30: 15,992,760 km (0.119 R)
• M31: 16,598,781 km (0.089 R)
• M32: 17,708,498 km (0.075 R)
• M33: 18,083,690 km (0.114 R)
• M34: 18,272,333 km (0.031 R)
• M35: 19,353,626 km (0.118 R)
• M36: 19,869,589 km (0.034 R)
• M37: 20,194,366 km (0.118 R)
• M38: 20,455,414 km (0.087 R)
• M39: 20,586,462 km (0.036 R)
• M40: 21,777,860 km (0.09 R)
• M41: 21,911,600 km (0.098 R)
• M42: 22,045,640 km (0.11 R)
• M43: 24,227,076 km (0.116 R)
• M44: 24,435,167 km (0.052 R)
• M45: 26,905,925 km (0.118 R)
• M46: 28,353,284 km (0.078 R)
• M47: 29,677,375 km (0.096 R)
• M48: 30,048,827 km (0.103 R)
• M49: 30,571,372 km (0.064 R)
• M50: 32,538,584 km (0.057 R)
• M51: 33,306,021 km (0.086 R)
• M52: 33,691,984 km (0.117 R)
• M53: 34,390,606 km (0.037 R)
• M54: 34,546,487 km (0.085 R)
• M55: 35,408,021 km (0.105 R)
• M56: 37,552,506 km (0.047 R)
• M57: 38,843,237 km (0.039 R)
• M58: 39,575,518 km (0.097 R)
• M59: 40,723,981 km (0.103 R)
• M60: 41,633,835 km (0.104 R)
• M61: 42,049,717 km (0.113 R)
• M62: 42,634,196 km (0.068 R)
• M63: 42,801,596 km (0.086 R)
• M64: 43,305,442 km (0.067 R)
• M65: 43,558,113 km (0.089 R)
• M66: 44,573,583 km (0.066 R)
• M67: 47,753,286 km (0.069 R)
• M68: 47,927,268 km (0.116 R)
• M69: 48,188,616 km (0.096 R)
• M70: 48,625,142 km (0.088 R)
• M71: 49,238,643 km (0.094 R)
• M72: 49,766,574 km (0.078 R)
• M73: 50,296,300 km (0.028 R)
• M74: 56,521,516 km (0.09 R)
• M75: 56,981,979 km (0.111 R)
• M76: 58,092,144 km (0.102 R)
• M77: 58,743,045 km (0.068 R)
• M78: 59,677,134 km (0.092 R)
• M79: 60,239,921 km (0.07 R)
• M80: 60,522,063 km (0.107 R)
• M81: 61,560,122 km (0.094 R)
• M82: 63,462,409 km (0.034 R)
• M83: 63,558,002 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645

Radius: 7.3

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 17.19 AU - 18.59 AU

Year: 26844 Days

Day: 19.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 90,745,491 km

• M1: 241,002 km (0.116 R)
• M2: 291,716 km (0.039 R)
• M3: 386,561 km (0.074 R)
• M4: 684,410 km (0.078 R)
• M5: 816,056 km (0.079 R)
• M6: 1,952,851 km (0.084 R)
• M7: 2,377,110 km (0.114 R)
• M8: 2,457,295 km (0.084 R)
• M9: 2,871,980 km (0.102 R)
• M10: 2,957,550 km (0.065 R)
• M11: 3,219,346 km (0.119 R)
• M12: 3,398,116 km (0.107 R)
• M13: 4,097,186 km (0.119 R)
• M14: 4,839,641 km (0.071 R)
• M15: 5,357,399 km (0.113 R)
• M16: 5,410,057 km (0.064 R)
• M17: 6,166,723 km (0.05 R)
• M18: 6,277,575 km (0.066 R)
• M19: 6,898,855 km (0.112 R)
• M20: 7,187,729 km (0.078 R)
• M21: 7,304,266 km (0.055 R)
• M22: 7,957,111 km (0.082 R)
• M23: 9,445,310 km (0.088 R)
• M24: 10,025,301 km (0.066 R)
• M25: 11,558,829 km (0.112 R)
• M26: 14,395,055 km (0.115 R)
• M27: 14,468,508 km (0.081 R)
• M28: 16,347,457 km (0.092 R)
• M29: 17,120,280 km (0.073 R)
• M30: 17,198,220 km (0.109 R)
• M31: 17,668,257 km (0.062 R)
• M32: 18,222,068 km (0.104 R)
• M33: 18,301,654 km (0.083 R)
• M34: 18,541,160 km (0.117 R)
• M35: 19,917,461 km (0.073 R)
• M36: 20,659,316 km (0.058 R)
• M37: 21,578,446 km (0.046 R)
• M38: 22,340,198 km (0.081 R)
• M39: 22,596,160 km (0.103 R)
• M40: 22,681,730 km (0.058 R)
• M41: 23,890,182 km (0.052 R)
• M42: 24,151,828 km (0.096 R)
• M43: 25,119,577 km (0.098 R)
• M44: 26,189,501 km (0.081 R)
• M45: 26,730,148 km (0.088 R)
• M46: 27,183,429 km (0.074 R)
• M47: 27,639,254 km (0.11 R)
• M48: 28,005,769 km (0.087 R)
• M49: 28,929,087 km (0.102 R)
• M50: 29,207,937 km (0.111 R)
• M51: 30,900,188 km (0.079 R)
• M52: 33,205,491 km (0.069 R)
• M53: 33,302,730 km (0.099 R)
• M54: 37,573,450 km (0.084 R)
• M55: 37,674,728 km (0.108 R)
• M56: 38,488,839 km (0.053 R)
• M57: 38,693,190 km (0.095 R)
• M58: 38,897,990 km (0.12 R)
• M59: 39,411,559 km (0.041 R)
• M60: 40,341,609 km (0.107 R)
• M61: 41,802,731 km (0.064 R)
• M62: 41,907,749 km (0.076 R)
• M63: 43,280,908 km (0.084 R)
• M64: 43,600,000 km (0.114 R)
• M65: 45,854,739 km (0.108 R)
• M66: 46,832,661 km (0.064 R)
• M67: 47,160,280 km (0.1 R)
• M68: 48,809,148 km (0.068 R)
• M69: 50,253,366 km (0.086 R)
• M70: 50,924,761 km (0.038 R)
• M71: 55,706,358 km (0.035 R)
• M72: 56,401,090 km (0.082 R)
• M73: 56,749,503 km (0.058 R)
• M74: 57,215,202 km (0.095 R)
• M75: 61,343,654 km (0.09 R)
• M76: 64,350,870 km (0.073 R)
• M77: 67,159,570 km (0.114 R)
• M78: 67,282,540 km (0.114 R)
• M79: 68,269,437 km (0.107 R)
• M80: 70,632,485 km (0.119 R)
• M81: 70,882,762 km (0.09 R)
• M82: 71,886,863 km (0.099 R)
• M83: 72,012,825 km (0.113 R)
• M84: 72,769,341 km (0.094 R)
• M85: 73,275,281 km (0.052 R)
• M86: 77,493,193 km (0.088 R)
• M87: 81,002,161 km (0.042 R)
• M88: 81,657,699 km (0.113 R)
• M89: 81,920,392 km (0.109 R)
• M90: 82,315,032 km (0.067 R)
• M91: 84,032,116 km (0.089 R)
• M92: 86,830,793 km (0.064 R)
• M93: 89,253,830 km (0.065 R)

Kuiper Belt

Range: 30.9 - 58.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 15,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit