🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.79 AU - 1.27 AU

Year: 366 Days

Day: 45.1 Hours

Environment

Temp: 162 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,929,623 km

• M1: 150,346 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.13 AU - 3.19 AU

Year: 1518 Days

Day: 15.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.21 AU - 5.19 AU

Year: 3565 Days

Day: 32.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,929,623 km

• M1: 2,041,861 km (0.044 R)

Asteroid Belt

Center: 7.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.7

Radius: 9.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 9.79 AU - 12.21 AU

Year: 12763 Days

Day: 12 Hours

Environment

Temp: -182 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 91,929,623 km

• M1: 124,017 km (0.095 R)
• M2: 272,418 km (0.103 R)
• M3: 601,084 km (0.119 R)
• M4: 707,000 km (0.112 R)
• M5: 872,156 km (0.101 R)
• M6: 1,022,053 km (0.092 R)
• M7: 1,210,696 km (0.084 R)
• M8: 1,757,476 km (0.031 R)
• M9: 2,021,217 km (0.067 R)
• M10: 2,222,875 km (0.106 R)
• M11: 3,094,133 km (0.046 R)
• M12: 3,788,267 km (0.115 R)
• M13: 4,316,198 km (0.028 R)
• M14: 4,505,439 km (0.079 R)
• M15: 4,745,693 km (0.039 R)
• M16: 5,390,161 km (0.107 R)
• M17: 5,956,987 km (0.097 R)
• M18: 6,194,399 km (0.118 R)
• M19: 6,488,808 km (0.059 R)
• M20: 7,174,863 km (0.119 R)
• M21: 7,970,575 km (0.066 R)
• M22: 8,232,221 km (0.08 R)
• M23: 8,884,019 km (0.052 R)
• M24: 9,368,417 km (0.111 R)
• M25: 10,268,248 km (0.082 R)
• M26: 11,423,293 km (0.11 R)
• M27: 11,587,103 km (0.083 R)
• M28: 13,060,941 km (0.077 R)
• M29: 13,854,558 km (0.068 R)
• M30: 15,380,157 km (0.096 R)
• M31: 15,488,616 km (0.111 R)
• M32: 17,709,845 km (0.069 R)
• M33: 18,127,821 km (0.096 R)
• M34: 18,934,752 km (0.092 R)
• M35: 19,596,723 km (0.042 R)
• M36: 20,305,667 km (0.119 R)
• M37: 20,983,046 km (0.115 R)
• M38: 22,441,925 km (0.113 R)
• M39: 22,523,904 km (0.109 R)
• M40: 23,224,920 km (0.093 R)
• M41: 23,598,915 km (0.078 R)
• M42: 23,724,128 km (0.047 R)
• M43: 24,353,037 km (0.103 R)
• M44: 25,157,575 km (0.073 R)
• M45: 25,242,846 km (0.098 R)
• M46: 25,927,854 km (0.086 R)
• M47: 28,019,532 km (0.1 R)
• M48: 28,417,761 km (0.112 R)
• M49: 28,862,366 km (0.114 R)
• M50: 29,130,296 km (0.103 R)
• M51: 29,939,022 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.8

Radius: 9.8

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 10.09 AU - 12.91 AU

Year: 13643 Days

Day: 14.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 91,929,623 km

• M1: 171,888 km (0.098 R)
• M2: 319,391 km (0.116 R)
• M3: 477,516 km (0.109 R)
• M4: 930,798 km (0.089 R)
• M5: 1,381,985 km (0.032 R)
• M6: 2,095,717 km (0.048 R)
• M7: 2,329,987 km (0.113 R)
• M8: 3,082,614 km (0.057 R)
• M9: 3,170,727 km (0.054 R)
• M10: 3,349,496 km (0.085 R)
• M11: 3,501,039 km (0.101 R)
• M12: 4,129,649 km (0.105 R)
• M13: 4,793,265 km (0.115 R)
• M14: 4,929,998 km (0.05 R)
• M15: 6,367,185 km (0.072 R)
• M16: 6,442,283 km (0.103 R)
• M17: 7,053,689 km (0.074 R)
• M18: 7,964,890 km (0.114 R)
• M19: 8,086,513 km (0.111 R)
• M20: 9,081,339 km (0.104 R)
• M21: 9,507,244 km (0.098 R)
• M22: 9,679,431 km (0.041 R)
• M23: 10,645,085 km (0.06 R)
• M24: 11,503,478 km (0.106 R)
• M25: 12,384,161 km (0.11 R)
• M26: 12,572,355 km (0.063 R)
• M27: 12,856,291 km (0.076 R)
• M28: 13,238,364 km (0.095 R)
• M29: 14,308,139 km (0.11 R)
• M30: 14,505,608 km (0.105 R)
• M31: 14,803,607 km (0.093 R)
• M32: 15,203,931 km (0.113 R)
• M33: 16,169,136 km (0.084 R)
• M34: 16,478,056 km (0.05 R)
• M35: 16,997,310 km (0.06 R)
• M36: 17,839,247 km (0.067 R)
• M37: 19,018,976 km (0.066 R)
• M38: 19,399,553 km (0.075 R)
• M39: 20,445,391 km (0.102 R)
• M40: 20,723,793 km (0.113 R)
• M41: 21,059,341 km (0.092 R)
• M42: 21,284,037 km (0.073 R)
• M43: 21,735,972 km (0.117 R)
• M44: 22,190,899 km (0.113 R)
• M45: 23,110,477 km (0.108 R)
• M46: 23,342,205 km (0.106 R)
• M47: 24,218,399 km (0.039 R)
• M48: 24,335,983 km (0.098 R)
• M49: 25,642,571 km (0.047 R)
• M50: 25,882,676 km (0.111 R)
• M51: 27,093,820 km (0.105 R)
• M52: 27,215,892 km (0.032 R)
• M53: 27,522,119 km (0.057 R)
• M54: 27,583,454 km (0.071 R)
• M55: 28,014,296 km (0.073 R)
• M56: 28,076,080 km (0.12 R)
• M57: 30,201,716 km (0.116 R)
• M58: 30,391,855 km (0.12 R)
• M59: 30,645,872 km (0.105 R)
• M60: 30,836,759 km (0.111 R)
• M61: 31,990,906 km (0.07 R)
• M62: 32,508,365 km (0.066 R)
• M63: 33,551,661 km (0.097 R)
• M64: 34,011,525 km (0.068 R)
• M65: 34,804,842 km (0.072 R)
• M66: 35,137,099 km (0.102 R)
• M67: 35,470,553 km (0.104 R)
• M68: 38,243,499 km (0.05 R)
• M69: 39,482,768 km (0.075 R)
• M70: 42,283,689 km (0.079 R)
• M71: 42,922,621 km (0.12 R)
• M72: 43,493,337 km (0.12 R)
• M73: 46,165,155 km (0.119 R)
• M74: 46,530,323 km (0.099 R)
• M75: 46,896,389 km (0.072 R)
• M76: 47,190,050 km (0.117 R)
• M77: 48,000,422 km (0.085 R)
• M78: 48,148,224 km (0.062 R)
• M79: 50,009,222 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.6

Radius: 14.5

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 9.33 AU - 14.63 AU

Year: 14506 Days

Day: 6 Hours

Environment

Temp: -174 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 91,929,623 km

• M1: 191,186 km (0.115 R)
• M2: 490,831 km (0.08 R)
• M3: 652,097 km (0.063 R)
• M4: 791,971 km (0.081 R)
• M5: 921,373 km (0.063 R)
• M6: 1,178,831 km (0.107 R)
• M7: 2,029,894 km (0.074 R)
• M8: 2,371,276 km (0.105 R)
• M9: 2,532,692 km (0.066 R)
• M10: 2,765,017 km (0.086 R)
• M11: 3,144,697 km (0.045 R)
• M12: 3,322,868 km (0.113 R)
• M13: 3,541,131 km (0.047 R)
• M14: 5,157,686 km (0.044 R)
• M15: 5,843,742 km (0.071 R)
• M16: 6,019,669 km (0.087 R)
• M17: 6,649,925 km (0.111 R)
• M18: 6,833,780 km (0.111 R)
• M19: 6,926,531 km (0.06 R)
• M20: 7,875,879 km (0.116 R)
• M21: 8,967,196 km (0.113 R)
• M22: 10,158,443 km (0.11 R)
• M23: 10,638,204 km (0.105 R)
• M24: 11,344,306 km (0.113 R)
• M25: 11,730,867 km (0.056 R)
• M26: 12,744,691 km (0.075 R)
• M27: 12,973,875 km (0.107 R)
• M28: 13,146,661 km (0.119 R)
• M29: 14,615,862 km (0.071 R)
• M30: 14,976,243 km (0.109 R)
• M31: 15,218,143 km (0.115 R)
• M32: 15,890,136 km (0.092 R)
• M33: 16,136,823 km (0.105 R)
• M34: 16,509,322 km (0.119 R)
• M35: 18,673,554 km (0.032 R)
• M36: 19,130,127 km (0.085 R)
• M37: 19,326,998 km (0.106 R)
• M38: 21,741,059 km (0.095 R)
• M39: 22,083,787 km (0.11 R)
• M40: 22,290,382 km (0.087 R)
• M41: 22,983,469 km (0.082 R)
• M42: 23,472,804 km (0.105 R)
• M43: 24,533,004 km (0.119 R)
• M44: 25,176,723 km (0.045 R)
• M45: 25,536,656 km (0.051 R)
• M46: 26,043,643 km (0.098 R)
• M47: 26,626,925 km (0.098 R)
• M48: 27,436,100 km (0.1 R)
• M49: 28,253,353 km (0.083 R)
• M50: 28,702,595 km (0.11 R)
• M51: 29,229,629 km (0.081 R)
• M52: 29,835,799 km (0.099 R)
• M53: 32,302,070 km (0.07 R)
• M54: 35,234,338 km (0.092 R)
• M55: 35,637,055 km (0.106 R)
• M56: 36,854,632 km (0.118 R)
• M57: 37,017,993 km (0.087 R)
• M58: 39,413,653 km (0.113 R)
• M59: 40,335,475 km (0.071 R)
• M60: 40,503,773 km (0.045 R)
• M61: 41,433,973 km (0.101 R)
• M62: 41,688,887 km (0.059 R)
• M63: 41,944,401 km (0.11 R)
• M64: 42,542,343 km (0.094 R)
• M65: 43,660,587 km (0.11 R)
• M66: 44,179,842 km (0.076 R)
• M67: 44,353,375 km (0.054 R)
• M68: 44,527,208 km (0.075 R)
• M69: 49,124,949 km (0.104 R)
• M70: 49,935,919 km (0.115 R)
• M71: 50,297,646 km (0.086 R)
• M72: 50,569,615 km (0.099 R)
• M73: 50,660,421 km (0.103 R)
• M74: 50,932,989 km (0.078 R)
• M75: 51,388,514 km (0.111 R)
• M76: 51,753,832 km (0.089 R)
• M77: 53,778,639 km (0.119 R)
• M78: 54,056,742 km (0.077 R)
• M79: 55,267,437 km (0.087 R)
• M80: 57,431,221 km (0.093 R)
• M81: 57,715,457 km (0.108 R)
• M82: 58,380,569 km (0.113 R)
• M83: 60,391,314 km (0.116 R)
• M84: 60,873,318 km (0.106 R)
• M85: 60,969,959 km (0.117 R)
• M86: 61,066,599 km (0.1 R)
• M87: 61,259,879 km (0.077 R)
• M88: 61,453,459 km (0.065 R)
• M89: 61,744,277 km (0.109 R)
• M90: 62,716,813 km (0.035 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417

Radius: 3.8

Gravity: 28.88 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 15.06 AU - 19.76 AU

Year: 25414 Days

Day: 23.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 91,929,623 km

• M1: 66,421 km (0.097 R)
• M2: 101,427 km (0.057 R)
• M3: 134,488 km (0.119 R)
• M4: 918,082 km (0.112 R)
• M5: 996,023 km (0.117 R)
• M6: 1,300,155 km (0.108 R)
• M7: 2,088,685 km (0.076 R)
• M8: 2,261,022 km (0.079 R)
• M9: 2,296,178 km (0.086 R)
• M10: 2,768,009 km (0.089 R)
• M11: 3,111,935 km (0.118 R)
• M12: 3,509,716 km (0.065 R)
• M13: 3,797,542 km (0.063 R)
• M14: 4,135,783 km (0.073 R)
• M15: 4,178,717 km (0.085 R)
• M16: 4,265,035 km (0.117 R)
• M17: 4,352,101 km (0.089 R)
• M18: 4,395,784 km (0.048 R)
• M19: 4,840,837 km (0.094 R)
• M20: 5,393,602 km (0.098 R)
• M21: 5,487,699 km (0.041 R)
• M22: 6,112,270 km (0.112 R)
• M23: 6,308,991 km (0.081 R)
• M24: 6,911,422 km (0.101 R)
• M25: 8,278,447 km (0.072 R)
• M26: 8,825,826 km (0.088 R)
• M27: 8,992,328 km (0.117 R)
• M28: 9,328,474 km (0.117 R)
• M29: 9,384,873 km (0.08 R)
• M30: 9,668,660 km (0.04 R)
• M31: 9,955,290 km (0.098 R)
• M32: 10,713,601 km (0.12 R)
• M33: 10,891,174 km (0.069 R)
• M34: 10,950,564 km (0.067 R)
• M35: 11,129,483 km (0.083 R)
• M36: 11,429,876 km (0.06 R)
• M37: 15,769,710 km (0.112 R)
• M38: 17,132,547 km (0.043 R)
• M39: 17,548,728 km (0.115 R)
• M40: 18,108,673 km (0.106 R)
• M41: 22,794,527 km (0.106 R)
• M42: 23,328,591 km (0.088 R)
• M43: 24,564,569 km (0.06 R)
• M44: 24,720,599 km (0.09 R)
• M45: 25,663,515 km (0.034 R)
• M46: 26,298,558 km (0.12 R)
• M47: 27,584,202 km (0.073 R)
• M48: 27,827,598 km (0.112 R)
• M49: 28,561,824 km (0.101 R)
• M50: 29,385,061 km (0.112 R)
• M51: 30,886,575 km (0.079 R)
• M52: 31,731,504 km (0.086 R)
• M53: 32,071,540 km (0.073 R)
• M54: 32,669,632 km (0.119 R)
• M55: 33,271,314 km (0.081 R)
• M56: 34,311,319 km (0.118 R)
• M57: 35,273,981 km (0.117 R)
• M58: 35,449,908 km (0.118 R)
• M59: 36,690,075 km (0.116 R)
• M60: 38,395,640 km (0.091 R)
• M61: 40,494,498 km (0.077 R)
• M62: 40,678,803 km (0.119 R)
• M63: 42,443,160 km (0.114 R)
• M64: 43,853,718 km (0.079 R)
• M65: 45,279,536 km (0.076 R)
• M66: 46,720,462 km (0.086 R)
• M67: 49,450,175 km (0.111 R)
• M68: 49,548,610 km (0.109 R)
• M69: 49,647,195 km (0.105 R)
• M70: 49,745,780 km (0.109 R)
• M71: 49,943,100 km (0.079 R)
• M72: 50,437,670 km (0.115 R)
• M73: 51,132,702 km (0.108 R)
• M74: 51,730,944 km (0.051 R)
• M75: 53,741,838 km (0.09 R)
• M76: 53,944,244 km (0.053 R)
• M77: 54,960,612 km (0.101 R)
• M78: 55,573,365 km (0.08 R)
• M79: 55,778,164 km (0.102 R)
• M80: 55,880,639 km (0.04 R)
• M81: 56,908,825 km (0.103 R)
• M82: 57,632,280 km (0.068 R)
• M83: 57,735,952 km (0.036 R)
• M84: 58,254,907 km (0.059 R)
• M85: 59,088,317 km (0.072 R)
• M86: 59,297,305 km (0.101 R)
• M87: 60,135,801 km (0.103 R)
• M88: 61,400,800 km (0.11 R)
• M89: 62,781,140 km (0.038 R)
• M90: 63,635,493 km (0.114 R)
• M91: 65,140,149 km (0.12 R)
• M92: 67,091,803 km (0.088 R)
• M93: 68,293,822 km (0.089 R)
• M94: 68,403,477 km (0.081 R)
• M95: 71,831,063 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625.6

Radius: 6.1

Gravity: 16.81 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 13.88 AU - 23.08 AU

Year: 27793 Days

Day: 16.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 91,929,623 km

• M1: 196,572 km (0.083 R)
• M2: 279,449 km (0.12 R)
• M3: 651,648 km (0.118 R)
• M4: 1,704,668 km (0.12 R)
• M5: 1,962,574 km (0.043 R)
• M6: 2,680,943 km (0.025 R)
• M7: 3,024,271 km (0.069 R)
• M8: 3,426,988 km (0.102 R)
• M9: 4,233,021 km (0.108 R)
• M10: 4,282,239 km (0.118 R)
• M11: 4,481,055 km (0.082 R)
• M12: 4,581,435 km (0.091 R)
• M13: 5,412,152 km (0.12 R)
• M14: 5,954,444 km (0.118 R)
• M15: 7,266,567 km (0.036 R)
• M16: 7,683,047 km (0.116 R)
• M17: 7,743,186 km (0.076 R)
• M18: 9,944,518 km (0.109 R)
• M19: 10,010,192 km (0.092 R)
• M20: 10,207,661 km (0.071 R)
• M21: 11,626,597 km (0.109 R)
• M22: 11,764,825 km (0.115 R)
• M23: 12,183,101 km (0.09 R)
• M24: 12,677,223 km (0.088 R)
• M25: 14,051,279 km (0.102 R)
• M26: 14,124,881 km (0.098 R)
• M27: 14,569,337 km (0.117 R)
• M28: 15,700,297 km (0.105 R)
• M29: 15,853,186 km (0.06 R)
• M30: 17,094,399 km (0.111 R)
• M31: 17,885,921 km (0.07 R)
• M32: 18,932,508 km (0.105 R)
• M33: 19,095,420 km (0.11 R)
• M34: 20,664,851 km (0.056 R)
• M35: 21,592,358 km (0.118 R)
• M36: 21,932,993 km (0.058 R)
• M37: 22,965,517 km (0.069 R)
• M38: 25,345,918 km (0.034 R)
• M39: 25,795,310 km (0.034 R)
• M40: 26,884,533 km (0.098 R)
• M41: 27,342,900 km (0.107 R)
• M42: 28,174,216 km (0.096 R)
• M43: 28,267,116 km (0.06 R)
• M44: 29,578,192 km (0.118 R)
• M45: 29,861,680 km (0.045 R)
• M46: 34,618,294 km (0.115 R)
• M47: 35,617,607 km (0.106 R)
• M48: 36,120,855 km (0.074 R)
• M49: 36,221,684 km (0.062 R)
• M50: 39,916,751 km (0.062 R)
• M51: 42,233,124 km (0.078 R)
• M52: 42,658,880 km (0.095 R)
• M53: 42,765,693 km (0.078 R)
• M54: 42,872,356 km (0.09 R)
• M55: 43,193,244 km (0.088 R)
• M56: 48,322,655 km (0.115 R)
• M57: 48,879,608 km (0.061 R)
• M58: 50,563,033 km (0.119 R)
• M59: 51,128,363 km (0.06 R)
• M60: 51,582,094 km (0.066 R)
• M61: 52,265,307 km (0.068 R)
• M62: 53,986,431 km (0.072 R)
• M63: 55,609,418 km (0.088 R)
• M64: 56,426,970 km (0.067 R)
• M65: 56,778,525 km (0.057 R)
• M66: 58,547,371 km (0.116 R)
• M67: 59,378,985 km (0.086 R)
• M68: 60,453,996 km (0.092 R)
• M69: 61,054,033 km (0.111 R)
• M70: 63,961,168 km (0.111 R)
• M71: 67,285,382 km (0.087 R)
• M72: 67,658,180 km (0.086 R)
• M73: 68,156,341 km (0.116 R)
• M74: 68,281,106 km (0.082 R)
• M75: 70,287,064 km (0.044 R)
• M76: 70,413,025 km (0.111 R)
• M77: 73,332,128 km (0.113 R)
• M78: 75,385,957 km (0.067 R)
• M79: 76,031,622 km (0.119 R)
• M80: 77,198,485 km (0.098 R)
• M81: 79,418,667 km (0.084 R)
• M82: 80,470,789 km (0.12 R)
• M83: 81,395,154 km (0.107 R)
• M84: 84,456,824 km (0.046 R)
• M85: 84,724,904 km (0.053 R)
• M86: 85,799,764 km (0.106 R)
• M87: 86,879,263 km (0.104 R)
• M88: 88,779,006 km (0.111 R)
• M89: 89,324,290 km (0.114 R)
• M90: 90,144,236 km (0.107 R)

Kuiper Belt

Range: 31.4 - 47.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 16,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit