🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.98 AU - 1.08 AU

Year: 380 Days

Day: 32 Hours

Environment

Temp: 40 °C

Axial Tilt: 23 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 77,862,827 km

• M1: 116,836 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.98 AU - 1.12 AU

Year: 391 Days

Day: 24.9 Hours

Environment

Temp: 32 °C

Axial Tilt: 16.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 77,862,827 km

• M1: 332,855 km (0.068 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.75 AU - 3.19 AU

Year: 1860 Days

Day: 31.8 Hours

Environment

Temp: -93 °C

Axial Tilt: 49.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,862,827 km

• M1: 545,583 km (0.078 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.55 AU - 3.83 AU

Year: 2071 Days

Day: 35.4 Hours

Environment

Temp: -99 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,862,827 km

• M1: 166,054 km (0.089 R)
• M2: 754,422 km (0.112 R)

Asteroid Belt

Center: 4.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.5

Radius: 8.1

Gravity: 12.2 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.67 AU - 6.33 AU

Year: 4688 Days

Day: 7.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 77,862,827 km

• M1: 108,458 km (0.088 R)
• M2: 213,626 km (0.111 R)
• M3: 400,324 km (0.116 R)
• M4: 826,827 km (0.039 R)
• M5: 1,003,951 km (0.099 R)
• M6: 1,238,970 km (0.037 R)
• M7: 1,316,012 km (0.098 R)
• M8: 1,524,103 km (0.038 R)
• M9: 1,590,225 km (0.113 R)
• M10: 1,691,503 km (0.077 R)
• M11: 1,794,726 km (0.049 R)
• M12: 1,900,342 km (0.113 R)
• M13: 2,285,855 km (0.093 R)
• M14: 2,576,075 km (0.087 R)
• M15: 3,450,325 km (0.117 R)
• M16: 3,604,411 km (0.105 R)
• M17: 3,760,741 km (0.076 R)
• M18: 5,495,029 km (0.089 R)
• M19: 5,546,341 km (0.108 R)
• M20: 5,623,534 km (0.065 R)
• M21: 5,988,702 km (0.074 R)
• M22: 6,254,388 km (0.113 R)
• M23: 6,687,324 km (0.11 R)
• M24: 7,018,534 km (0.108 R)
• M25: 7,326,705 km (0.045 R)
• M26: 7,639,365 km (0.113 R)
• M27: 8,455,122 km (0.058 R)
• M28: 8,633,443 km (0.074 R)
• M29: 9,298,106 km (0.103 R)
• M30: 9,420,776 km (0.045 R)
• M31: 9,574,862 km (0.084 R)
• M32: 10,167,868 km (0.028 R)
• M33: 10,421,137 km (0.092 R)
• M34: 10,484,716 km (0.054 R)
• M35: 10,580,459 km (0.099 R)
• M36: 10,676,501 km (0.112 R)
• M37: 11,128,286 km (0.105 R)
• M38: 11,323,811 km (0.084 R)
• M39: 12,251,467 km (0.102 R)
• M40: 12,352,296 km (0.118 R)
• M41: 12,487,084 km (0.038 R)
• M42: 12,758,305 km (0.086 R)
• M43: 13,168,801 km (0.104 R)
• M44: 13,306,731 km (0.108 R)
• M45: 13,410,402 km (0.074 R)
• M46: 13,479,516 km (0.103 R)
• M47: 13,618,493 km (0.084 R)
• M48: 13,792,774 km (0.083 R)
• M49: 14,461,776 km (0.082 R)
• M50: 14,889,626 km (0.107 R)
• M51: 15,685,038 km (0.102 R)
• M52: 15,831,195 km (0.104 R)
• M53: 16,272,209 km (0.069 R)
• M54: 17,316,851 km (0.116 R)
• M55: 17,392,398 km (0.077 R)
• M56: 17,809,327 km (0.079 R)
• M57: 18,344,738 km (0.115 R)
• M58: 18,575,867 km (0.057 R)
• M59: 18,691,805 km (0.107 R)
• M60: 19,040,967 km (0.068 R)
• M61: 19,313,983 km (0.115 R)
• M62: 19,431,417 km (0.098 R)
• M63: 19,588,495 km (0.068 R)
• M64: 20,379,419 km (0.073 R)
• M65: 22,115,352 km (0.099 R)
• M66: 22,320,302 km (0.113 R)
• M67: 23,312,584 km (0.084 R)
• M68: 24,658,067 km (0.107 R)
• M69: 25,083,673 km (0.105 R)
• M70: 26,071,767 km (0.069 R)
• M71: 26,375,002 km (0.118 R)
• M72: 26,722,967 km (0.092 R)
• M73: 27,072,427 km (0.11 R)
• M74: 27,731,855 km (0.043 R)
• M75: 27,864,399 km (0.063 R)
• M76: 27,952,961 km (0.092 R)
• M77: 28,619,419 km (0.12 R)
• M78: 28,708,579 km (0.093 R)
• M79: 29,336,142 km (0.084 R)
• M80: 29,651,495 km (0.109 R)
• M81: 30,376,596 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.6

Radius: 11.1

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.2 AU - 6.3 AU

Year: 5011 Days

Day: 7.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 77,862,827 km

• M1: 141,071 km (0.091 R)
• M2: 225,145 km (0.1 R)
• M3: 337,343 km (0.088 R)
• M4: 466,147 km (0.075 R)
• M5: 602,580 km (0.105 R)
• M6: 1,021,155 km (0.044 R)
• M7: 1,302,100 km (0.045 R)
• M8: 1,451,997 km (0.109 R)
• M9: 1,590,225 km (0.032 R)
• M10: 1,733,091 km (0.095 R)
• M11: 2,326,696 km (0.074 R)
• M12: 2,593,728 km (0.09 R)
• M13: 2,805,858 km (0.11 R)
• M14: 2,979,840 km (0.081 R)
• M15: 3,157,413 km (0.107 R)
• M16: 3,499,992 km (0.106 R)
• M17: 4,295,254 km (0.077 R)
• M18: 5,358,895 km (0.098 R)
• M19: 5,602,889 km (0.041 R)
• M20: 5,685,018 km (0.081 R)
• M21: 5,850,623 km (0.079 R)
• M22: 5,934,099 km (0.116 R)
• M23: 6,328,439 km (0.104 R)
• M24: 6,500,177 km (0.085 R)
• M25: 7,172,620 km (0.085 R)
• M26: 7,261,929 km (0.027 R)
• M27: 8,741,752 km (0.116 R)
• M28: 9,222,858 km (0.109 R)
• M29: 9,548,533 km (0.036 R)
• M30: 9,745,703 km (0.075 R)
• M31: 10,244,612 km (0.034 R)
• M32: 10,379,100 km (0.1 R)
• M33: 10,649,723 km (0.045 R)
• M34: 10,786,006 km (0.112 R)
• M35: 10,888,481 km (0.041 R)
• M36: 11,094,627 km (0.059 R)
• M37: 11,755,700 km (0.078 R)
• M38: 12,537,199 km (0.091 R)
• M39: 12,645,059 km (0.112 R)
• M40: 13,043,289 km (0.105 R)
• M41: 14,752,744 km (0.103 R)
• M42: 14,942,733 km (0.105 R)
• M43: 15,286,808 km (0.061 R)
• M44: 15,402,148 km (0.079 R)
• M45: 16,808,218 km (0.111 R)
• M46: 16,966,942 km (0.052 R)
• M47: 17,566,829 km (0.087 R)
• M48: 17,889,512 km (0.065 R)
• M49: 18,581,851 km (0.05 R)
• M50: 19,283,016 km (0.056 R)
• M51: 19,366,043 km (0.041 R)
• M52: 20,161,155 km (0.092 R)
• M53: 20,711,227 km (0.099 R)
• M54: 21,782,946 km (0.067 R)
• M55: 21,956,180 km (0.079 R)
• M56: 22,391,061 km (0.104 R)
• M57: 23,181,088 km (0.057 R)
• M58: 23,313,631 km (0.114 R)
• M59: 23,980,239 km (0.083 R)
• M60: 24,293,348 km (0.046 R)
• M61: 24,517,894 km (0.116 R)
• M62: 25,195,722 km (0.105 R)
• M63: 25,788,279 km (0.053 R)
• M64: 25,879,833 km (0.1 R)
• M65: 26,017,314 km (0.112 R)
• M66: 26,201,020 km (0.106 R)
• M67: 29,533,911 km (0.116 R)
• M68: 29,773,567 km (0.06 R)
• M69: 30,013,970 km (0.066 R)
• M70: 30,110,311 km (0.077 R)
• M71: 30,303,143 km (0.099 R)
• M72: 30,836,011 km (0.032 R)
• M73: 31,616,463 km (0.038 R)
• M74: 31,959,939 km (0.065 R)
• M75: 32,058,225 km (0.12 R)
• M76: 32,403,348 km (0.095 R)
• M77: 33,396,079 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.4

Radius: 14.1

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 8.81 AU - 10.05 AU

Year: 10524 Days

Day: 7.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 77,862,827 km

• M1: 328,367 km (0.074 R)
• M2: 439,070 km (0.105 R)
• M3: 628,610 km (0.106 R)
• M4: 746,493 km (0.051 R)
• M5: 885,171 km (0.061 R)
• M6: 1,059,003 km (0.106 R)
• M7: 1,245,103 km (0.049 R)
• M8: 1,370,915 km (0.089 R)
• M9: 1,530,835 km (0.058 R)
• M10: 1,620,893 km (0.095 R)
• M11: 1,870,123 km (0.095 R)
• M12: 2,098,858 km (0.093 R)
• M13: 2,354,371 km (0.085 R)
• M14: 2,566,351 km (0.118 R)
• M15: 2,674,810 km (0.114 R)
• M16: 2,766,364 km (0.112 R)
• M17: 3,417,115 km (0.118 R)
• M18: 3,822,076 km (0.095 R)
• M19: 4,834,106 km (0.092 R)
• M20: 4,924,014 km (0.082 R)
• M21: 5,082,588 km (0.112 R)
• M22: 5,758,172 km (0.071 R)
• M23: 6,094,468 km (0.082 R)
• M24: 6,240,625 km (0.09 R)
• M25: 6,836,922 km (0.11 R)
• M26: 7,014,345 km (0.104 R)
• M27: 7,373,829 km (0.054 R)
• M28: 7,818,434 km (0.102 R)
• M29: 7,977,456 km (0.109 R)
• M30: 9,740,317 km (0.105 R)
• M31: 9,968,903 km (0.059 R)
• M32: 10,083,944 km (0.07 R)
• M33: 10,460,631 km (0.091 R)
• M34: 10,665,431 km (0.105 R)
• M35: 10,812,635 km (0.099 R)
• M36: 11,952,870 km (0.093 R)
• M37: 12,382,515 km (0.08 R)
• M38: 13,447,353 km (0.067 R)
• M39: 14,573,974 km (0.101 R)
• M40: 14,803,009 km (0.071 R)
• M41: 15,264,518 km (0.118 R)
• M42: 17,365,022 km (0.12 R)
• M43: 17,503,699 km (0.036 R)
• M44: 17,747,244 km (0.114 R)
• M45: 18,132,010 km (0.027 R)
• M46: 19,699,197 km (0.081 R)
• M47: 19,807,656 km (0.078 R)
• M48: 20,243,434 km (0.075 R)
• M49: 23,687,776 km (0.114 R)
• M50: 24,888,747 km (0.092 R)
• M51: 26,388,017 km (0.101 R)
• M52: 26,867,478 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.6

Radius: 5.7

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 12.17 AU - 14.31 AU

Year: 17509 Days

Day: 24.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 77,862,827 km

• M1: 170,841 km (0.088 R)
• M2: 339,737 km (0.108 R)
• M3: 427,401 km (0.093 R)
• M4: 1,211,444 km (0.098 R)
• M5: 1,349,223 km (0.096 R)
• M6: 1,715,439 km (0.119 R)
• M7: 2,593,129 km (0.065 R)
• M8: 3,425,043 km (0.028 R)
• M9: 3,719,452 km (0.102 R)
• M10: 3,886,553 km (0.098 R)
• M11: 4,543,886 km (0.107 R)
• M12: 4,650,699 km (0.078 R)
• M13: 4,903,519 km (0.041 R)
• M14: 5,013,174 km (0.113 R)
• M15: 5,460,023 km (0.106 R)
• M16: 6,431,512 km (0.119 R)
• M17: 7,539,284 km (0.071 R)
• M18: 7,623,657 km (0.093 R)
• M19: 7,708,329 km (0.042 R)
• M20: 7,921,506 km (0.063 R)
• M21: 8,050,310 km (0.035 R)
• M22: 8,353,545 km (0.09 R)
• M23: 8,793,213 km (0.075 R)
• M24: 9,060,694 km (0.095 R)
• M25: 9,376,196 km (0.12 R)
• M26: 9,741,065 km (0.052 R)
• M27: 10,017,672 km (0.078 R)
• M28: 10,390,769 km (0.072 R)
• M29: 11,246,469 km (0.074 R)
• M30: 11,391,279 km (0.086 R)
• M31: 11,829,452 km (0.097 R)
• M32: 11,878,520 km (0.071 R)
• M33: 12,422,308 km (0.082 R)
• M34: 12,572,055 km (0.083 R)
• M35: 12,722,252 km (0.099 R)
• M36: 12,873,196 km (0.075 R)
• M37: 12,923,610 km (0.081 R)
• M38: 13,024,739 km (0.117 R)
• M39: 13,585,282 km (0.111 R)
• M40: 13,636,594 km (0.094 R)
• M41: 13,688,056 km (0.101 R)
• M42: 13,739,517 km (0.111 R)
• M43: 13,842,740 km (0.116 R)
• M44: 14,205,814 km (0.086 R)
• M45: 14,782,663 km (0.098 R)
• M46: 15,100,559 km (0.097 R)
• M47: 16,285,374 km (0.076 R)
• M48: 16,504,086 km (0.065 R)
• M49: 16,613,741 km (0.091 R)
• M50: 16,889,001 km (0.083 R)
• M51: 17,667,658 km (0.062 R)
• M52: 17,723,757 km (0.072 R)
• M53: 17,779,857 km (0.085 R)
• M54: 19,723,133 km (0.086 R)
• M55: 20,190,177 km (0.058 R)
• M56: 20,719,903 km (0.056 R)
• M57: 20,897,476 km (0.081 R)
• M58: 23,190,213 km (0.083 R)
• M59: 23,806,706 km (0.061 R)
• M60: 23,930,573 km (0.119 R)
• M61: 24,553,499 km (0.093 R)
• M62: 25,879,085 km (0.093 R)
• M63: 26,775,625 km (0.099 R)
• M64: 27,682,188 km (0.089 R)
• M65: 27,812,488 km (0.089 R)
• M66: 28,139,359 km (0.096 R)
• M67: 28,994,760 km (0.041 R)
• M68: 29,658,675 km (0.101 R)
• M69: 30,933,848 km (0.117 R)
• M70: 31,612,124 km (0.084 R)
• M71: 31,680,191 km (0.103 R)
• M72: 31,884,841 km (0.082 R)
• M73: 32,021,424 km (0.107 R)
• M74: 32,363,854 km (0.054 R)
• M75: 32,432,519 km (0.059 R)
• M76: 32,501,185 km (0.105 R)
• M77: 34,654,347 km (0.046 R)
• M78: 35,712,602 km (0.115 R)
• M79: 36,138,956 km (0.107 R)
• M80: 37,716,316 km (0.094 R)
• M81: 38,222,854 km (0.096 R)
• M82: 40,493,301 km (0.083 R)
• M83: 40,789,505 km (0.113 R)
• M84: 41,235,007 km (0.107 R)
• M85: 43,184,268 km (0.119 R)
• M86: 44,857,071 km (0.118 R)
• M87: 45,316,935 km (0.089 R)
• M88: 48,422,288 km (0.114 R)
• M89: 48,894,119 km (0.116 R)
• M90: 49,209,322 km (0.111 R)
• M91: 49,367,297 km (0.069 R)
• M92: 50,000,695 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.5

Radius: 6.8

Gravity: 19.37 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 11.55 AU - 15.53 AU

Year: 18107 Days

Day: 18.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 77,862,827 km

• M1: 174,282 km (0.036 R)
• M2: 227,389 km (0.052 R)
• M3: 448,943 km (0.058 R)
• M4: 615,894 km (0.103 R)
• M5: 778,059 km (0.058 R)
• M6: 1,033,572 km (0.1 R)
• M7: 1,256,323 km (0.115 R)
• M8: 1,714,092 km (0.071 R)
• M9: 1,811,630 km (0.104 R)
• M10: 2,255,038 km (0.116 R)
• M11: 3,317,782 km (0.084 R)
• M12: 4,246,485 km (0.074 R)
• M13: 4,739,261 km (0.111 R)
• M14: 4,969,342 km (0.089 R)
• M15: 5,062,392 km (0.094 R)
• M16: 5,203,014 km (0.08 R)
• M17: 5,876,354 km (0.099 R)
• M18: 6,730,558 km (0.101 R)
• M19: 7,409,732 km (0.109 R)
• M20: 9,172,294 km (0.112 R)
• M21: 9,458,924 km (0.097 R)
• M22: 10,277,224 km (0.09 R)
• M23: 10,455,545 km (0.091 R)
• M24: 11,362,257 km (0.054 R)
• M25: 11,793,997 km (0.104 R)
• M26: 11,856,230 km (0.074 R)
• M27: 12,610,053 km (0.109 R)
• M28: 13,509,137 km (0.076 R)
• M29: 14,230,049 km (0.06 R)
• M30: 15,030,547 km (0.109 R)
• M31: 15,165,335 km (0.112 R)
• M32: 15,504,323 km (0.095 R)
• M33: 15,982,887 km (0.119 R)
• M34: 16,051,702 km (0.048 R)
• M35: 18,737,133 km (0.078 R)
• M36: 20,503,585 km (0.102 R)
• M37: 22,322,396 km (0.065 R)
• M38: 22,553,375 km (0.107 R)
• M39: 23,251,099 km (0.06 R)
• M40: 24,508,769 km (0.118 R)
• M41: 25,707,945 km (0.086 R)
• M42: 25,788,579 km (0.094 R)
• M43: 26,436,487 km (0.069 R)
• M44: 27,336,169 km (0.098 R)
• M45: 27,831,188 km (0.051 R)
• M46: 29,671,242 km (0.07 R)
• M47: 30,010,081 km (0.105 R)
• M48: 32,330,194 km (0.1 R)
• M49: 33,820,339 km (0.109 R)
• M50: 38,607,470 km (0.06 R)
• M51: 40,843,959 km (0.099 R)
• M52: 41,126,549 km (0.026 R)
• M53: 43,794,328 km (0.06 R)
• M54: 46,027,375 km (0.076 R)
• M55: 46,714,329 km (0.106 R)
• M56: 46,812,614 km (0.096 R)
• M57: 47,305,689 km (0.101 R)
• M58: 47,701,525 km (0.089 R)
• M59: 47,800,559 km (0.05 R)
• M60: 47,998,926 km (0.055 R)
• M61: 49,295,191 km (0.12 R)
• M62: 49,998,002 km (0.094 R)
• M63: 50,300,190 km (0.082 R)
• M64: 50,906,510 km (0.068 R)
• M65: 51,718,527 km (0.029 R)
• M66: 54,387,054 km (0.102 R)
• M67: 56,470,204 km (0.079 R)
• M68: 56,575,072 km (0.115 R)
• M69: 58,261,190 km (0.083 R)
• M70: 58,367,255 km (0.075 R)
• M71: 59,750,138 km (0.101 R)
• M72: 60,177,838 km (0.114 R)
• M73: 61,359,362 km (0.114 R)
• M74: 63,309,071 km (0.051 R)
• M75: 63,527,035 km (0.027 R)
• M76: 63,745,149 km (0.115 R)
• M77: 63,963,562 km (0.1 R)
• M78: 65,609,288 km (0.116 R)
• M79: 65,940,198 km (0.089 R)
• M80: 66,050,601 km (0.097 R)
• M81: 67,491,379 km (0.116 R)
• M82: 68,048,331 km (0.027 R)
• M83: 72,672,252 km (0.116 R)
• M84: 74,734,159 km (0.064 R)
• M85: 74,849,350 km (0.107 R)
• M86: 75,541,240 km (0.116 R)
• M87: 76,235,225 km (0.054 R)

Kuiper Belt

Range: 30.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 18,138 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit