🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.41 AU - 0.59 AU

Year: 153 Days

Day: 20.8 Hours

Environment

Temp: 156 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,857,430 km

• M1: 413,788 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.39 AU - 0.61 AU

Year: 153 Days

Day: 27.7 Hours

Environment

Temp: 129 °C

Axial Tilt: 5.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.94 AU - 2.8 AU

Year: 1582 Days

Day: 24.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.8

Radius: 12.1

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.7 AU - 2.76 AU

Year: 1955 Days

Day: 10.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 30,857,430 km

• M1: 161,416 km (0.071 R)
• M2: 356,193 km (0.111 R)
• M3: 478,863 km (0.066 R)
• M4: 591,061 km (0.062 R)
• M5: 683,662 km (0.084 R)
• M6: 839,693 km (0.089 R)
• M7: 966,851 km (0.065 R)
• M8: 1,079,349 km (0.03 R)
• M9: 1,196,633 km (0.071 R)
• M10: 1,310,627 km (0.062 R)
• M11: 1,566,738 km (0.069 R)
• M12: 1,743,862 km (0.079 R)
• M13: 1,821,803 km (0.12 R)
• M14: 1,954,646 km (0.075 R)
• M15: 2,054,128 km (0.105 R)
• M16: 2,230,055 km (0.107 R)
• M17: 2,353,324 km (0.07 R)
• M18: 2,607,042 km (0.089 R)
• M19: 2,798,079 km (0.061 R)
• M20: 2,900,553 km (0.088 R)
• M21: 3,046,261 km (0.08 R)
• M22: 3,720,499 km (0.118 R)
• M23: 3,856,334 km (0.111 R)
• M24: 3,959,257 km (0.118 R)
• M25: 4,063,228 km (0.087 R)
• M26: 4,309,316 km (0.098 R)
• M27: 4,548,224 km (0.095 R)
• M28: 4,657,281 km (0.097 R)
• M29: 5,026,937 km (0.07 R)
• M30: 5,152,300 km (0.102 R)
• M31: 5,470,196 km (0.045 R)
• M32: 5,573,418 km (0.093 R)
• M33: 5,807,838 km (0.051 R)
• M34: 5,926,320 km (0.076 R)
• M35: 6,072,178 km (0.075 R)
• M36: 6,246,160 km (0.081 R)
• M37: 6,326,943 km (0.096 R)
• M38: 6,503,319 km (0.074 R)
• M39: 6,722,779 km (0.071 R)
• M40: 6,902,745 km (0.072 R)
• M41: 7,028,407 km (0.072 R)
• M42: 7,154,817 km (0.083 R)
• M43: 7,381,309 km (0.089 R)
• M44: 7,552,748 km (0.117 R)
• M45: 7,928,837 km (0.076 R)
• M46: 8,016,501 km (0.118 R)
• M47: 8,119,275 km (0.09 R)
• M48: 8,266,778 km (0.111 R)
• M49: 8,534,409 km (0.09 R)
• M50: 8,654,386 km (0.045 R)
• M51: 8,820,141 km (0.088 R)
• M52: 9,231,685 km (0.056 R)
• M53: 9,416,588 km (0.096 R)
• M54: 9,524,896 km (0.103 R)
• M55: 9,727,452 km (0.088 R)
• M56: 9,837,107 km (0.092 R)
• M57: 10,089,180 km (0.11 R)
• M58: 10,184,324 km (0.082 R)
• M59: 10,295,625 km (0.055 R)
• M60: 10,423,381 km (0.091 R)
• M61: 10,519,573 km (0.064 R)
• M62: 10,599,907 km (0.059 R)
• M63: 10,745,166 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.7

Radius: 14.7

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.22 AU - 4.34 AU

Year: 3838 Days

Day: 5.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 30,857,430 km

• M1: 188,793 km (0.104 R)
• M2: 340,634 km (0.112 R)
• M3: 485,894 km (0.103 R)
• M4: 815,009 km (0.032 R)
• M5: 1,030,729 km (0.087 R)
• M6: 1,165,966 km (0.085 R)
• M7: 1,328,429 km (0.066 R)
• M8: 1,423,424 km (0.092 R)
• M9: 1,700,180 km (0.052 R)
• M10: 1,910,664 km (0.041 R)
• M11: 2,179,940 km (0.087 R)
• M12: 2,567,548 km (0.098 R)
• M13: 2,661,346 km (0.118 R)
• M14: 2,824,707 km (0.093 R)
• M15: 3,033,695 km (0.089 R)
• M16: 3,161,751 km (0.06 R)
• M17: 3,467,379 km (0.101 R)
• M18: 3,691,926 km (0.118 R)
• M19: 3,921,110 km (0.077 R)
• M20: 4,186,796 km (0.108 R)
• M21: 4,523,241 km (0.104 R)
• M22: 4,885,268 km (0.091 R)
• M23: 5,655,398 km (0.06 R)
• M24: 6,740,880 km (0.052 R)
• M25: 7,499,940 km (0.111 R)
• M26: 8,027,871 km (0.104 R)
• M27: 9,431,398 km (0.095 R)
• M28: 9,535,967 km (0.09 R)
• M29: 10,065,094 km (0.088 R)
• M30: 11,552,546 km (0.09 R)
• M31: 12,071,202 km (0.119 R)
• M32: 12,551,411 km (0.066 R)
• M33: 12,736,015 km (0.116 R)
• M34: 13,412,945 km (0.111 R)
• M35: 14,053,523 km (0.062 R)
• M36: 14,607,185 km (0.073 R)
• M37: 14,801,513 km (0.081 R)
• M38: 14,947,670 km (0.07 R)
• M39: 15,290,847 km (0.089 R)
• M40: 15,562,367 km (0.107 R)
• M41: 16,892,741 km (0.115 R)
• M42: 17,224,699 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.3

Radius: 12.8

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.53 AU - 7.09 AU

Year: 6871 Days

Day: 8.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 30,857,430 km

• M1: 162,912 km (0.091 R)
• M2: 258,056 km (0.11 R)
• M3: 884,722 km (0.083 R)
• M4: 1,102,536 km (0.117 R)
• M5: 1,571,376 km (0.063 R)
• M6: 1,775,876 km (0.104 R)
• M7: 1,860,100 km (0.117 R)
• M8: 2,077,166 km (0.101 R)
• M9: 2,536,432 km (0.064 R)
• M10: 2,802,567 km (0.046 R)
• M11: 3,129,139 km (0.061 R)
• M12: 3,232,062 km (0.117 R)
• M13: 3,494,756 km (0.077 R)
• M14: 3,601,718 km (0.117 R)
• M15: 3,682,651 km (0.095 R)
• M16: 3,984,988 km (0.068 R)
• M17: 4,238,407 km (0.113 R)
• M18: 4,497,211 km (0.107 R)
• M19: 4,880,331 km (0.056 R)
• M20: 5,151,851 km (0.117 R)
• M21: 5,304,740 km (0.084 R)
• M22: 5,397,342 km (0.118 R)
• M23: 6,092,373 km (0.09 R)
• M24: 6,983,977 km (0.105 R)
• M25: 7,085,554 km (0.114 R)
• M26: 7,324,611 km (0.112 R)
• M27: 7,566,361 km (0.059 R)
• M28: 8,668,299 km (0.094 R)
• M29: 8,887,460 km (0.112 R)
• M30: 9,631,111 km (0.069 R)
• M31: 10,163,530 km (0.103 R)
• M32: 11,138,309 km (0.108 R)
• M33: 11,416,562 km (0.102 R)
• M34: 12,020,638 km (0.106 R)
• M35: 12,265,081 km (0.095 R)
• M36: 12,511,319 km (0.11 R)
• M37: 12,676,475 km (0.057 R)
• M38: 13,386,017 km (0.116 R)
• M39: 13,470,391 km (0.117 R)
• M40: 13,937,435 km (0.081 R)
• M41: 14,366,632 km (0.095 R)
• M42: 15,282,170 km (0.101 R)
• M43: 15,370,284 km (0.084 R)
• M44: 16,532,061 km (0.096 R)
• M45: 16,758,701 km (0.12 R)
• M46: 16,849,657 km (0.099 R)
• M47: 17,032,017 km (0.092 R)
• M48: 18,047,038 km (0.116 R)
• M49: 18,327,235 km (0.099 R)
• M50: 19,702,040 km (0.086 R)
• M51: 20,329,004 km (0.046 R)
• M52: 20,620,570 km (0.111 R)
• M53: 21,602,681 km (0.116 R)
• M54: 21,999,713 km (0.099 R)
• M55: 22,149,311 km (0.106 R)
• M56: 22,801,109 km (0.112 R)
• M57: 23,357,763 km (0.071 R)
• M58: 24,535,846 km (0.055 R)
• M59: 25,314,652 km (0.064 R)
• M60: 25,523,641 km (0.1 R)
• M61: 26,630,665 km (0.105 R)
• M62: 28,022,673 km (0.085 R)
• M63: 28,347,301 km (0.086 R)
• M64: 29,658,227 km (0.062 R)
• M65: 30,155,041 km (0.099 R)
• M66: 30,821,500 km (0.087 R)
• M67: 31,493,045 km (0.072 R)
• M68: 32,056,131 km (0.105 R)
• M69: 32,225,775 km (0.1 R)
• M70: 33,421,511 km (0.096 R)
• M71: 34,400,030 km (0.096 R)
• M72: 36,090,935 km (0.068 R)
• M73: 36,739,442 km (0.03 R)
• M74: 36,917,015 km (0.117 R)
• M75: 37,451,229 km (0.089 R)
• M76: 38,287,481 km (0.059 R)
• M77: 38,527,585 km (0.115 R)
• M78: 38,828,277 km (0.095 R)
• M79: 38,948,853 km (0.079 R)
• M80: 39,735,289 km (0.105 R)
• M81: 40,465,925 km (0.036 R)
• M82: 40,771,703 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.2

Radius: 11.6

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.22 AU - 7.8 AU

Year: 7200 Days

Day: 10.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 30,857,430 km

• M1: 187,446 km (0.091 R)
• M2: 307,723 km (0.07 R)
• M3: 499,058 km (0.085 R)
• M4: 647,908 km (0.079 R)
• M5: 907,610 km (0.075 R)
• M6: 1,108,520 km (0.085 R)
• M7: 1,201,121 km (0.109 R)
• M8: 1,719,927 km (0.098 R)
• M9: 2,389,377 km (0.108 R)
• M10: 2,511,299 km (0.12 R)
• M11: 2,653,268 km (0.12 R)
• M12: 2,779,828 km (0.099 R)
• M13: 3,442,546 km (0.1 R)
• M14: 3,842,870 km (0.093 R)
• M15: 5,041,897 km (0.09 R)
• M16: 5,612,463 km (0.074 R)
• M17: 5,822,948 km (0.107 R)
• M18: 6,083,697 km (0.096 R)
• M19: 6,203,525 km (0.088 R)
• M20: 6,543,261 km (0.111 R)
• M21: 7,342,563 km (0.084 R)
• M22: 7,521,482 km (0.11 R)
• M23: 7,624,555 km (0.105 R)
• M24: 7,909,987 km (0.106 R)
• M25: 7,988,526 km (0.035 R)
• M26: 8,331,554 km (0.078 R)
• M27: 8,923,363 km (0.108 R)
• M28: 9,059,647 km (0.1 R)
• M29: 9,196,828 km (0.078 R)
• M30: 9,445,310 km (0.046 R)
• M31: 9,528,636 km (0.053 R)
• M32: 9,724,011 km (0.067 R)
• M33: 9,836,359 km (0.059 R)
• M34: 9,949,006 km (0.08 R)
• M35: 10,289,641 km (0.081 R)
• M36: 10,490,251 km (0.108 R)
• M37: 10,605,442 km (0.082 R)
• M38: 10,953,406 km (0.03 R)
• M39: 11,541,925 km (0.109 R)
• M40: 11,690,625 km (0.07 R)
• M41: 12,261,640 km (0.051 R)
• M42: 12,413,332 km (0.116 R)
• M43: 12,504,736 km (0.06 R)
• M44: 12,688,143 km (0.032 R)
• M45: 13,337,249 km (0.12 R)
• M46: 13,587,227 km (0.071 R)
• M47: 13,712,889 km (0.088 R)
• M48: 14,060,405 km (0.102 R)
• M49: 14,346,885 km (0.116 R)
• M50: 14,635,309 km (0.088 R)
• M51: 14,861,052 km (0.07 R)
• M52: 15,283,218 km (0.08 R)
• M53: 15,775,245 km (0.101 R)
• M54: 16,405,950 km (0.102 R)
• M55: 17,044,882 km (0.057 R)
• M56: 17,180,418 km (0.102 R)
• M57: 17,316,402 km (0.118 R)
• M58: 18,381,988 km (0.057 R)
• M59: 18,625,533 km (0.07 R)
• M60: 19,256,687 km (0.071 R)
• M61: 19,397,907 km (0.025 R)
• M62: 19,539,576 km (0.071 R)
• M63: 20,073,491 km (0.094 R)
• M64: 20,468,130 km (0.08 R)
• M65: 20,684,449 km (0.106 R)
• M66: 21,119,330 km (0.11 R)
• M67: 21,520,701 km (0.057 R)
• M68: 22,146,020 km (0.1 R)
• M69: 22,516,574 km (0.118 R)
• M70: 23,339,213 km (0.1 R)
• M71: 23,792,045 km (0.118 R)
• M72: 24,821,428 km (0.096 R)
• M73: 25,399,624 km (0.106 R)
• M74: 25,554,607 km (0.111 R)
• M75: 25,943,412 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.7

Radius: 14.5

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.49 AU - 7.43 AU

Year: 7959 Days

Day: 10.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 30,857,430 km

• M1: 187,596 km (0.119 R)
• M2: 322,084 km (0.107 R)
• M3: 581,337 km (0.109 R)
• M4: 678,127 km (0.065 R)
• M5: 781,798 km (0.07 R)
• M6: 1,074,562 km (0.11 R)
• M7: 1,765,404 km (0.107 R)
• M8: 2,300,067 km (0.09 R)
• M9: 2,409,274 km (0.074 R)
• M10: 2,709,666 km (0.11 R)
• M11: 3,492,512 km (0.068 R)
• M12: 3,964,344 km (0.101 R)
• M13: 4,074,448 km (0.077 R)
• M14: 4,320,237 km (0.114 R)
• M15: 5,135,246 km (0.108 R)
• M16: 5,279,907 km (0.064 R)
• M17: 6,329,636 km (0.03 R)
• M18: 7,966,386 km (0.032 R)
• M19: 8,759,853 km (0.081 R)
• M20: 9,136,840 km (0.097 R)
• M21: 9,578,452 km (0.109 R)
• M22: 9,816,911 km (0.114 R)
• M23: 10,299,664 km (0.026 R)
• M24: 10,605,292 km (0.07 R)
• M25: 11,351,337 km (0.082 R)
• M26: 11,953,917 km (0.083 R)
• M27: 12,469,431 km (0.059 R)
• M28: 12,566,969 km (0.096 R)
• M29: 12,730,031 km (0.059 R)
• M30: 13,489,090 km (0.071 R)
• M31: 13,589,321 km (0.078 R)
• M32: 14,569,785 km (0.092 R)
• M33: 14,844,298 km (0.085 R)
• M34: 15,120,455 km (0.032 R)
• M35: 15,259,282 km (0.084 R)
• M36: 15,959,550 km (0.11 R)
• M37: 16,100,770 km (0.054 R)
• M38: 16,242,439 km (0.091 R)
• M39: 17,646,116 km (0.111 R)
• M40: 18,048,983 km (0.063 R)
• M41: 18,233,138 km (0.107 R)
• M42: 18,677,593 km (0.097 R)
• M43: 19,125,789 km (0.067 R)
• M44: 19,313,534 km (0.08 R)
• M45: 19,804,514 km (0.102 R)
• M46: 20,414,574 km (0.08 R)
• M47: 20,837,637 km (0.118 R)
• M48: 21,497,064 km (0.119 R)
• M49: 21,614,200 km (0.12 R)
• M50: 22,677,541 km (0.115 R)
• M51: 23,596,820 km (0.11 R)
• M52: 23,757,937 km (0.04 R)
• M53: 23,919,353 km (0.114 R)
• M54: 25,306,724 km (0.069 R)
• M55: 26,762,161 km (0.111 R)
• M56: 26,930,309 km (0.11 R)
• M57: 27,563,557 km (0.082 R)
• M58: 27,733,351 km (0.102 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.7

Radius: 12.2

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.6 AU - 8.76 AU

Year: 10141 Days

Day: 14.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 30,857,430 km

• M1: 192,084 km (0.084 R)
• M2: 311,313 km (0.098 R)
• M3: 1,492,538 km (0.105 R)
• M4: 1,864,737 km (0.077 R)
• M5: 2,025,555 km (0.12 R)
• M6: 2,342,104 km (0.111 R)
• M7: 2,634,718 km (0.104 R)
• M8: 2,877,515 km (0.113 R)
• M9: 3,064,512 km (0.113 R)
• M10: 3,170,128 km (0.078 R)
• M11: 4,012,963 km (0.044 R)
• M12: 4,222,549 km (0.084 R)
• M13: 4,364,219 km (0.1 R)
• M14: 4,459,662 km (0.077 R)
• M15: 4,996,718 km (0.064 R)
• M16: 5,146,765 km (0.1 R)
• M17: 5,323,889 km (0.069 R)
• M18: 5,502,958 km (0.084 R)
• M19: 5,658,091 km (0.068 R)
• M20: 5,762,211 km (0.095 R)
• M21: 5,893,408 km (0.096 R)
• M22: 6,428,221 km (0.109 R)
• M23: 6,646,484 km (0.098 R)
• M24: 6,839,465 km (0.098 R)
• M25: 7,034,391 km (0.1 R)
• M26: 7,287,810 km (0.117 R)
• M27: 8,331,105 km (0.107 R)
• M28: 8,689,243 km (0.086 R)
• M29: 9,451,743 km (0.072 R)
• M30: 9,544,643 km (0.071 R)
• M31: 11,269,357 km (0.12 R)
• M32: 11,632,431 km (0.084 R)
• M33: 11,732,213 km (0.053 R)
• M34: 11,832,144 km (0.1 R)
• M35: 12,710,433 km (0.064 R)
• M36: 13,226,845 km (0.117 R)
• M37: 14,067,137 km (0.117 R)
• M38: 14,565,447 km (0.114 R)
• M39: 14,924,781 km (0.036 R)
• M40: 15,178,200 km (0.105 R)
• M41: 15,287,257 km (0.08 R)
• M42: 15,542,620 km (0.11 R)
• M43: 15,946,834 km (0.061 R)
• M44: 16,168,687 km (0.106 R)
• M45: 16,765,583 km (0.071 R)
• M46: 16,953,627 km (0.083 R)
• M47: 17,142,270 km (0.119 R)
• M48: 17,331,811 km (0.087 R)
• M49: 17,559,948 km (0.12 R)
• M50: 18,599,354 km (0.099 R)
• M51: 18,950,161 km (0.104 R)
• M52: 19,896,517 km (0.118 R)
• M53: 20,175,517 km (0.063 R)
• M54: 20,335,437 km (0.109 R)
• M55: 20,697,015 km (0.09 R)
• M56: 21,304,233 km (0.111 R)
• M57: 21,753,176 km (0.089 R)
• M58: 22,287,988 km (0.04 R)
• M59: 22,370,566 km (0.079 R)
• M60: 22,453,294 km (0.081 R)
• M61: 23,622,551 km (0.083 R)
• M62: 23,791,148 km (0.103 R)
• M63: 23,875,671 km (0.095 R)
• M64: 24,002,530 km (0.115 R)
• M65: 24,854,340 km (0.117 R)
• M66: 25,759,407 km (0.086 R)
• M67: 26,150,605 km (0.094 R)
• M68: 26,719,077 km (0.117 R)
• M69: 27,070,931 km (0.101 R)
• M70: 27,380,150 km (0.096 R)
• M71: 28,180,499 km (0.112 R)
• M72: 28,404,148 km (0.032 R)
• M73: 28,538,636 km (0.101 R)
• M74: 29,124,013 km (0.079 R)
• M75: 29,214,370 km (0.104 R)
• M76: 29,576,845 km (0.114 R)
• M77: 30,352,211 km (0.085 R)
• M78: 30,581,545 km (0.108 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 11,059 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit