🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.89 AU - 1.11 AU

Year: 383 Days

Day: 34.3 Hours

Environment

Temp: 10 °C

Axial Tilt: 65.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.77 AU - 1.27 AU

Year: 394 Days

Day: 28.5 Hours

Environment

Temp: 5 °C

Axial Tilt: 48.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1 AU - 1.3 AU

Year: 472 Days

Day: 42.6 Hours

Environment

Temp: -6 °C

Axial Tilt: 36.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 68,837,943 km

• M1: 115,041 km (0.118 R)
• M2: 744,997 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.14 AU - 1.52 AU

Year: 587 Days

Day: 17.2 Hours

Environment

Temp: -44 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.44 AU - 2.66 AU

Year: 1559 Days

Day: 34.2 Hours

Environment

Temp: -109 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,837,943 km

• M1: 170,691 km (0.056 R)

Asteroid Belt

Center: 3.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.8

Radius: 13.1

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.96 AU - 5.1 AU

Year: 4319 Days

Day: 11.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 68,837,943 km

• M1: 163,660 km (0.097 R)
• M2: 254,167 km (0.105 R)
• M3: 368,759 km (0.044 R)
• M4: 554,260 km (0.09 R)
• M5: 665,711 km (0.045 R)
• M6: 807,081 km (0.078 R)
• M7: 959,521 km (0.115 R)
• M8: 1,122,433 km (0.11 R)
• M9: 1,257,370 km (0.052 R)
• M10: 1,668,016 km (0.098 R)
• M11: 1,809,536 km (0.086 R)
• M12: 1,955,244 km (0.051 R)
• M13: 2,243,070 km (0.08 R)
• M14: 2,352,726 km (0.086 R)
• M15: 2,448,020 km (0.056 R)
• M16: 2,577,422 km (0.041 R)
• M17: 2,659,401 km (0.105 R)
• M18: 2,996,595 km (0.092 R)
• M19: 3,311,947 km (0.069 R)
• M20: 3,401,407 km (0.117 R)
• M21: 3,491,764 km (0.069 R)
• M22: 3,638,071 km (0.05 R)
• M23: 3,749,222 km (0.119 R)
• M24: 4,031,962 km (0.044 R)
• M25: 4,558,696 km (0.1 R)
• M26: 4,840,538 km (0.11 R)
• M27: 5,232,186 km (0.119 R)
• M28: 6,134,410 km (0.111 R)
• M29: 6,334,123 km (0.109 R)
• M30: 6,854,275 km (0.104 R)
• M31: 7,061,468 km (0.044 R)
• M32: 7,553,346 km (0.103 R)
• M33: 7,839,377 km (0.1 R)
• M34: 7,959,654 km (0.061 R)
• M35: 8,056,294 km (0.096 R)
• M36: 8,818,645 km (0.069 R)
• M37: 9,019,106 km (0.112 R)
• M38: 9,221,213 km (0.118 R)
• M39: 9,424,815 km (0.047 R)
• M40: 9,940,180 km (0.104 R)
• M41: 10,280,216 km (0.069 R)
• M42: 10,491,299 km (0.066 R)
• M43: 11,079,368 km (0.11 R)
• M44: 11,486,573 km (0.043 R)
• M45: 12,092,594 km (0.107 R)
• M46: 12,203,895 km (0.048 R)
• M47: 13,335,753 km (0.083 R)
• M48: 14,619,452 km (0.089 R)
• M49: 14,797,623 km (0.077 R)
• M50: 15,185,979 km (0.067 R)
• M51: 15,698,950 km (0.044 R)
• M52: 16,156,271 km (0.107 R)
• M53: 17,303,238 km (0.053 R)
• M54: 17,523,147 km (0.109 R)
• M55: 17,617,692 km (0.102 R)
• M56: 17,839,097 km (0.108 R)
• M57: 18,061,250 km (0.097 R)
• M58: 18,188,708 km (0.109 R)
• M59: 18,348,328 km (0.109 R)
• M60: 18,572,576 km (0.094 R)
• M61: 19,023,912 km (0.108 R)
• M62: 19,153,614 km (0.049 R)
• M63: 19,381,152 km (0.066 R)
• M64: 20,168,187 km (0.092 R)
• M65: 20,300,431 km (0.056 R)
• M66: 20,932,183 km (0.117 R)
• M67: 22,113,108 km (0.098 R)
• M68: 22,523,007 km (0.073 R)
• M69: 22,625,780 km (0.116 R)
• M70: 22,866,483 km (0.096 R)
• M71: 23,142,491 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.1

Radius: 11.6

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.41 AU - 5.85 AU

Year: 4449 Days

Day: 11.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 68,837,943 km

• M1: 169,345 km (0.109 R)
• M2: 278,850 km (0.074 R)
• M3: 364,271 km (0.066 R)
• M4: 653,443 km (0.102 R)
• M5: 800,947 km (0.087 R)
• M6: 983,157 km (0.025 R)
• M7: 1,099,395 km (0.045 R)
• M8: 1,228,947 km (0.079 R)
• M9: 1,657,694 km (0.106 R)
• M10: 1,807,741 km (0.105 R)
• M11: 1,884,484 km (0.034 R)
• M12: 2,001,919 km (0.096 R)
• M13: 2,111,574 km (0.119 R)
• M14: 2,243,968 km (0.071 R)
• M15: 2,368,733 km (0.086 R)
• M16: 2,603,452 km (0.052 R)
• M17: 2,734,799 km (0.108 R)
• M18: 2,812,440 km (0.095 R)
• M19: 3,258,840 km (0.059 R)
• M20: 3,460,498 km (0.111 R)
• M21: 3,532,754 km (0.108 R)
• M22: 4,014,309 km (0.08 R)
• M23: 4,217,912 km (0.055 R)
• M24: 4,295,254 km (0.1 R)
• M25: 4,438,120 km (0.108 R)
• M26: 4,648,754 km (0.115 R)
• M27: 4,876,292 km (0.049 R)
• M28: 5,176,386 km (0.107 R)
• M29: 5,510,438 km (0.07 R)
• M30: 5,623,534 km (0.099 R)
• M31: 5,938,138 km (0.091 R)
• M32: 6,199,934 km (0.077 R)
• M33: 6,644,689 km (0.077 R)
• M34: 7,069,247 km (0.094 R)
• M35: 7,612,288 km (0.117 R)
• M36: 7,706,834 km (0.067 R)
• M37: 7,960,701 km (0.114 R)
• M38: 8,476,664 km (0.113 R)
• M39: 8,705,848 km (0.099 R)
• M40: 9,003,548 km (0.114 R)
• M41: 9,220,614 km (0.079 R)
• M42: 9,321,443 km (0.082 R)
• M43: 9,507,094 km (0.099 R)
• M44: 9,779,512 km (0.099 R)
• M45: 10,227,558 km (0.07 R)
• M46: 10,331,977 km (0.12 R)
• M47: 10,419,192 km (0.086 R)
• M48: 10,506,707 km (0.1 R)
• M49: 10,770,598 km (0.11 R)
• M50: 10,983,476 km (0.084 R)
• M51: 11,143,845 km (0.106 R)
• M52: 11,503,328 km (0.091 R)
• M53: 11,575,734 km (0.025 R)
• M54: 11,702,742 km (0.096 R)
• M55: 11,921,454 km (0.064 R)
• M56: 12,068,060 km (0.112 R)
• M57: 12,381,617 km (0.07 R)
• M58: 12,474,368 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.1

Radius: 10.5

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.02 AU - 10.04 AU

Year: 8713 Days

Day: 5.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 68,837,943 km

• M1: 189,690 km (0.085 R)
• M2: 517,160 km (0.106 R)
• M3: 721,211 km (0.041 R)
• M4: 819,198 km (0.112 R)
• M5: 907,012 km (0.076 R)
• M6: 1,092,962 km (0.03 R)
• M7: 1,240,765 km (0.083 R)
• M8: 1,395,599 km (0.098 R)
• M9: 2,098,559 km (0.089 R)
• M10: 2,454,602 km (0.043 R)
• M11: 2,650,874 km (0.117 R)
• M12: 3,059,127 km (0.084 R)
• M13: 3,438,806 km (0.083 R)
• M14: 3,536,045 km (0.112 R)
• M15: 3,659,014 km (0.12 R)
• M16: 3,858,727 km (0.088 R)
• M17: 4,693,184 km (0.067 R)
• M18: 5,354,856 km (0.101 R)
• M19: 5,496,375 km (0.069 R)
• M20: 5,667,964 km (0.116 R)
• M21: 5,928,713 km (0.093 R)
• M22: 6,016,378 km (0.108 R)
• M23: 6,312,133 km (0.109 R)
• M24: 6,612,675 km (0.071 R)
• M25: 6,887,187 km (0.119 R)
• M26: 7,196,705 km (0.107 R)
• M27: 7,321,769 km (0.088 R)
• M28: 7,542,276 km (0.095 R)
• M29: 8,119,724 km (0.092 R)
• M30: 8,250,023 km (0.115 R)
• M31: 9,079,843 km (0.115 R)
• M32: 9,147,311 km (0.075 R)
• M33: 9,316,955 km (0.109 R)
• M34: 10,462,277 km (0.103 R)
• M35: 10,889,678 km (0.086 R)
• M36: 11,395,767 km (0.096 R)
• M37: 12,694,127 km (0.118 R)
• M38: 13,149,952 km (0.09 R)
• M39: 14,510,245 km (0.081 R)
• M40: 14,986,864 km (0.118 R)
• M41: 15,428,328 km (0.1 R)
• M42: 15,833,439 km (0.07 R)
• M43: 16,078,031 km (0.088 R)
• M44: 16,406,398 km (0.06 R)
• M45: 16,488,677 km (0.114 R)
• M46: 16,944,502 km (0.095 R)
• M47: 18,765,407 km (0.075 R)
• M48: 19,896,367 km (0.06 R)
• M49: 20,381,513 km (0.062 R)
• M50: 21,498,560 km (0.112 R)
• M51: 21,769,632 km (0.087 R)
• M52: 22,727,208 km (0.113 R)
• M53: 23,049,442 km (0.101 R)
• M54: 24,118,917 km (0.067 R)
• M55: 24,259,688 km (0.037 R)
• M56: 25,062,131 km (0.056 R)
• M57: 25,299,693 km (0.099 R)
• M58: 25,921,272 km (0.06 R)
• M59: 26,354,358 km (0.116 R)
• M60: 26,644,578 km (0.079 R)
• M61: 27,717,344 km (0.088 R)
• M62: 29,103,069 km (0.083 R)
• M63: 29,203,000 km (0.099 R)
• M64: 30,157,285 km (0.117 R)
• M65: 30,562,097 km (0.116 R)
• M66: 31,377,106 km (0.108 R)
• M67: 31,735,991 km (0.08 R)
• M68: 31,890,227 km (0.115 R)
• M69: 31,993,150 km (0.12 R)
• M70: 32,199,446 km (0.085 R)
• M71: 32,354,429 km (0.06 R)
• M72: 32,976,756 km (0.076 R)
• M73: 33,132,936 km (0.117 R)
• M74: 33,707,841 km (0.119 R)
• M75: 34,127,912 km (0.111 R)
• M76: 34,391,354 km (0.049 R)
• M77: 34,496,970 km (0.082 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271

Radius: 8.8

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.94 AU - 10.68 AU

Year: 11764 Days

Day: 11.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 68,837,943 km

• M1: 112,946 km (0.117 R)
• M2: 211,831 km (0.086 R)
• M3: 1,272,629 km (0.109 R)
• M4: 1,674,449 km (0.099 R)
• M5: 2,426,777 km (0.073 R)
• M6: 2,898,908 km (0.089 R)
• M7: 3,070,945 km (0.079 R)
• M8: 3,170,727 km (0.05 R)
• M9: 3,348,000 km (0.11 R)
• M10: 3,712,570 km (0.056 R)
• M11: 4,172,135 km (0.1 R)
• M12: 4,282,987 km (0.103 R)
• M13: 4,338,787 km (0.083 R)
• M14: 4,938,974 km (0.108 R)
• M15: 5,748,747 km (0.05 R)
• M16: 6,311,385 km (0.087 R)
• M17: 6,374,964 km (0.113 R)
• M18: 6,599,360 km (0.113 R)
• M19: 6,924,287 km (0.077 R)
• M20: 7,793,750 km (0.054 R)
• M21: 8,102,669 km (0.096 R)
• M22: 9,378,291 km (0.051 R)
• M23: 9,780,410 km (0.086 R)
• M24: 9,965,163 km (0.052 R)
• M25: 10,601,702 km (0.086 R)
• M26: 10,715,396 km (0.072 R)
• M27: 11,328,598 km (0.103 R)
• M28: 11,717,702 km (0.098 R)
• M29: 11,992,663 km (0.111 R)
• M30: 12,230,075 km (0.117 R)
• M31: 12,589,110 km (0.119 R)
• M32: 12,749,778 km (0.11 R)
• M33: 12,951,585 km (0.104 R)
• M34: 13,154,440 km (0.1 R)
• M35: 13,358,491 km (0.11 R)
• M36: 13,604,580 km (0.081 R)
• M37: 14,018,068 km (0.115 R)
• M38: 14,351,821 km (0.036 R)
• M39: 14,435,746 km (0.089 R)
• M40: 14,730,454 km (0.085 R)
• M41: 14,984,770 km (0.071 R)
• M42: 15,069,891 km (0.104 R)
• M43: 15,497,741 km (0.034 R)
• M44: 15,842,863 km (0.111 R)
• M45: 16,146,996 km (0.07 R)
• M46: 16,628,701 km (0.114 R)
• M47: 16,805,077 km (0.059 R)
• M48: 17,248,634 km (0.098 R)
• M49: 17,831,169 km (0.106 R)
• M50: 18,011,733 km (0.119 R)
• M51: 18,923,383 km (0.118 R)
• M52: 19,061,461 km (0.118 R)
• M53: 19,246,065 km (0.082 R)
• M54: 19,570,543 km (0.108 R)
• M55: 20,318,981 km (0.067 R)
• M56: 20,838,983 km (0.12 R)
• M57: 21,124,416 km (0.073 R)
• M58: 21,411,195 km (0.111 R)
• M59: 21,747,491 km (0.076 R)
• M60: 22,571,327 km (0.12 R)
• M61: 23,109,729 km (0.078 R)
• M62: 23,553,437 km (0.109 R)
• M63: 24,549,609 km (0.117 R)
• M64: 25,002,292 km (0.064 R)
• M65: 26,377,097 km (0.119 R)
• M66: 26,789,089 km (0.077 R)
• M67: 27,151,415 km (0.091 R)
• M68: 27,671,717 km (0.101 R)
• M69: 28,300,476 km (0.068 R)
• M70: 29,839,539 km (0.1 R)
• M71: 29,946,651 km (0.115 R)
• M72: 30,538,161 km (0.11 R)
• M73: 31,079,257 km (0.111 R)
• M74: 32,171,022 km (0.025 R)
• M75: 34,391,802 km (0.112 R)
• M76: 34,672,897 km (0.104 R)
• M77: 34,841,942 km (0.066 R)
• M78: 35,124,234 km (0.062 R)
• M79: 35,747,907 km (0.094 R)
• M80: 35,861,751 km (0.076 R)
• M81: 36,547,059 km (0.118 R)
• M82: 36,661,801 km (0.117 R)
• M83: 36,948,879 km (0.087 R)
• M84: 37,236,705 km (0.08 R)
• M85: 37,872,795 km (0.1 R)
• M86: 38,046,778 km (0.094 R)
• M87: 38,629,013 km (0.058 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.8

Radius: 7.4

Gravity: 15.5 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 11.3 AU - 12.24 AU

Year: 15461 Days

Day: 18.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 68,837,943 km

• M1: 132,245 km (0.119 R)
• M2: 193,879 km (0.109 R)
• M3: 286,480 km (0.095 R)
• M4: 397,033 km (0.055 R)
• M5: 662,719 km (0.098 R)
• M6: 883,824 km (0.056 R)
• M7: 1,027,588 km (0.104 R)
• M8: 1,589,627 km (0.108 R)
• M9: 1,886,579 km (0.029 R)
• M10: 2,364,544 km (0.102 R)
• M11: 2,464,475 km (0.111 R)
• M12: 2,703,383 km (0.108 R)
• M13: 2,985,525 km (0.093 R)
• M14: 3,654,676 km (0.061 R)
• M15: 3,887,749 km (0.107 R)
• M16: 4,368,557 km (0.056 R)
• M17: 5,298,308 km (0.076 R)
• M18: 5,473,786 km (0.112 R)
• M19: 5,651,209 km (0.114 R)
• M20: 6,519,625 km (0.104 R)
• M21: 6,897,659 km (0.096 R)
• M22: 7,823,819 km (0.113 R)
• M23: 8,736,815 km (0.071 R)
• M24: 9,101,086 km (0.117 R)
• M25: 9,153,445 km (0.075 R)
• M26: 11,162,993 km (0.096 R)
• M27: 11,331,740 km (0.115 R)
• M28: 11,557,931 km (0.107 R)
• M29: 11,900,211 km (0.107 R)
• M30: 12,015,103 km (0.064 R)
• M31: 13,124,221 km (0.091 R)
• M32: 13,242,852 km (0.1 R)
• M33: 14,632,916 km (0.083 R)
• M34: 15,313,885 km (0.046 R)
• M35: 15,689,825 km (0.079 R)
• M36: 16,195,615 km (0.095 R)
• M37: 16,386,652 km (0.038 R)
• M38: 17,158,427 km (0.09 R)
• M39: 17,418,278 km (0.084 R)
• M40: 19,815,435 km (0.106 R)
• M41: 20,844,369 km (0.036 R)
• M42: 20,982,747 km (0.074 R)
• M43: 23,671,918 km (0.106 R)
• M44: 24,397,318 km (0.104 R)
• M45: 24,689,633 km (0.06 R)
• M46: 24,762,936 km (0.083 R)
• M47: 26,242,907 km (0.07 R)
• M48: 26,692,449 km (0.044 R)
• M49: 28,056,482 km (0.069 R)
• M50: 28,132,927 km (0.059 R)
• M51: 29,055,497 km (0.063 R)
• M52: 29,910,000 km (0.106 R)
• M53: 29,988,090 km (0.116 R)
• M54: 30,536,665 km (0.069 R)
• M55: 31,326,093 km (0.112 R)
• M56: 31,405,380 km (0.05 R)
• M57: 32,603,061 km (0.04 R)
• M58: 32,763,878 km (0.113 R)
• M59: 33,247,828 km (0.117 R)
• M60: 34,714,036 km (0.118 R)
• M61: 34,878,295 km (0.1 R)
• M62: 34,960,424 km (0.069 R)
• M63: 35,537,722 km (0.066 R)
• M64: 37,204,242 km (0.026 R)
• M65: 37,456,464 km (0.077 R)
• M66: 37,624,912 km (0.103 R)
• M67: 37,878,031 km (0.12 R)
• M68: 39,237,577 km (0.088 R)
• M69: 39,494,287 km (0.119 R)
• M70: 41,654,929 km (0.057 R)
• M71: 41,742,144 km (0.053 R)
• M72: 42,091,605 km (0.081 R)
• M73: 43,145,971 km (0.106 R)
• M74: 43,322,646 km (0.09 R)
• M75: 46,090,057 km (0.027 R)
• M76: 46,270,472 km (0.059 R)
• M77: 48,179,939 km (0.107 R)
• M78: 52,357,460 km (0.117 R)
• M79: 52,828,693 km (0.063 R)
• M80: 53,206,727 km (0.076 R)
• M81: 53,965,487 km (0.099 R)
• M82: 56,166,969 km (0.105 R)
• M83: 56,359,651 km (0.105 R)
• M84: 58,104,860 km (0.084 R)
• M85: 61,946,384 km (0.119 R)
• M86: 62,744,638 km (0.105 R)
• M87: 66,072,592 km (0.099 R)
• M88: 66,276,195 km (0.117 R)
• M89: 66,683,849 km (0.068 R)
• M90: 67,399,376 km (0.109 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 16,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit