🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.2

Radius: 13.9

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.19 AU - 1.49 AU

Year: 1071 Days

Day: 10.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 75.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 47,054,949 km

• M1: 180,714 km (0.037 R)
• M2: 283,039 km (0.087 R)
• M3: 504,893 km (0.109 R)
• M4: 677,678 km (0.052 R)
• M5: 770,279 km (0.119 R)
• M6: 878,439 km (0.105 R)
• M7: 1,082,939 km (0.036 R)
• M8: 1,176,737 km (0.117 R)
• M9: 1,267,244 km (0.087 R)
• M10: 1,398,441 km (0.047 R)
• M11: 1,702,274 km (0.08 R)
• M12: 1,792,182 km (0.093 R)
• M13: 1,933,852 km (0.111 R)
• M14: 2,064,600 km (0.117 R)
• M15: 2,221,080 km (0.09 R)
• M16: 2,350,631 km (0.058 R)
• M17: 2,506,662 km (0.075 R)
• M18: 2,649,977 km (0.111 R)
• M19: 2,886,790 km (0.081 R)
• M20: 2,986,871 km (0.108 R)
• M21: 3,233,708 km (0.111 R)
• M22: 3,416,666 km (0.047 R)
• M23: 3,603,214 km (0.087 R)
• M24: 3,912,583 km (0.076 R)
• M25: 4,079,833 km (0.114 R)
• M26: 4,230,478 km (0.067 R)
• M27: 4,392,792 km (0.057 R)
• M28: 4,528,028 km (0.103 R)
• M29: 4,951,989 km (0.118 R)
• M30: 5,143,474 km (0.112 R)
• M31: 5,275,868 km (0.065 R)
• M32: 5,388,814 km (0.12 R)
• M33: 5,575,513 km (0.099 R)
• M34: 5,669,610 km (0.105 R)
• M35: 5,848,978 km (0.098 R)
• M36: 5,976,734 km (0.086 R)
• M37: 6,278,323 km (0.103 R)
• M38: 6,474,895 km (0.041 R)
• M39: 6,596,069 km (0.047 R)
• M40: 6,773,642 km (0.038 R)
• M41: 6,863,102 km (0.095 R)
• M42: 7,020,478 km (0.104 R)
• M43: 7,133,574 km (0.074 R)
• M44: 7,338,972 km (0.052 R)
• M45: 7,476,902 km (0.094 R)
• M46: 7,569,353 km (0.058 R)
• M47: 7,743,784 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.4

Radius: 12.2

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.45 AU - 3.29 AU

Year: 3356 Days

Day: 6.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 47,054,949 km

• M1: 163,810 km (0.088 R)
• M2: 242,797 km (0.071 R)
• M3: 581,487 km (0.116 R)
• M4: 678,127 km (0.054 R)
• M5: 849,716 km (0.08 R)
• M6: 930,948 km (0.079 R)
• M7: 1,296,116 km (0.1 R)
• M8: 1,452,296 km (0.101 R)
• M9: 2,254,141 km (0.104 R)
• M10: 2,370,378 km (0.074 R)
• M11: 2,458,940 km (0.094 R)
• M12: 2,593,877 km (0.093 R)
• M13: 2,670,023 km (0.117 R)
• M14: 3,240,140 km (0.061 R)
• M15: 3,338,875 km (0.091 R)
• M16: 3,539,486 km (0.118 R)
• M17: 4,638,282 km (0.067 R)
• M18: 5,148,112 km (0.027 R)
• M19: 5,478,274 km (0.1 R)
• M20: 5,576,709 km (0.071 R)
• M21: 5,715,536 km (0.117 R)
• M22: 5,855,560 km (0.111 R)
• M23: 6,016,976 km (0.109 R)
• M24: 6,179,888 km (0.104 R)
• M25: 7,059,224 km (0.111 R)
• M26: 7,166,486 km (0.087 R)
• M27: 7,317,729 km (0.098 R)
• M28: 7,579,376 km (0.097 R)
• M29: 7,933,025 km (0.118 R)
• M30: 8,067,065 km (0.096 R)
• M31: 8,156,824 km (0.057 R)
• M32: 8,610,704 km (0.115 R)
• M33: 8,748,483 km (0.114 R)
• M34: 8,979,762 km (0.088 R)
• M35: 9,096,149 km (0.073 R)
• M36: 9,354,056 km (0.071 R)
• M37: 9,781,307 km (0.109 R)
• M38: 10,458,686 km (0.102 R)
• M39: 10,679,642 km (0.096 R)
• M40: 11,101,209 km (0.087 R)
• M41: 11,376,918 km (0.097 R)
• M42: 11,654,871 km (0.106 R)
• M43: 12,554,403 km (0.033 R)
• M44: 12,684,703 km (0.103 R)
• M45: 12,841,631 km (0.064 R)
• M46: 13,025,636 km (0.09 R)
• M47: 13,263,497 km (0.051 R)
• M48: 13,582,739 km (0.06 R)
• M49: 13,770,334 km (0.106 R)
• M50: 14,528,796 km (0.108 R)
• M51: 14,693,054 km (0.064 R)
• M52: 14,858,061 km (0.087 R)
• M53: 15,440,146 km (0.048 R)
• M54: 15,804,267 km (0.086 R)
• M55: 16,142,807 km (0.072 R)
• M56: 16,598,033 km (0.076 R)
• M57: 17,086,470 km (0.113 R)
• M58: 17,317,898 km (0.096 R)
• M59: 18,313,173 km (0.086 R)
• M60: 18,401,884 km (0.081 R)
• M61: 18,668,917 km (0.112 R)
• M62: 19,056,824 km (0.115 R)
• M63: 19,387,136 km (0.089 R)
• M64: 19,477,643 km (0.071 R)
• M65: 19,598,368 km (0.094 R)
• M66: 19,689,174 km (0.08 R)
• M67: 19,779,980 km (0.071 R)
• M68: 19,871,085 km (0.115 R)
• M69: 20,420,259 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.4

Radius: 9.5

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.97 AU - 3.99 AU

Year: 5481 Days

Day: 13.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 47,054,949 km

• M1: 143,464 km (0.099 R)
• M2: 400,623 km (0.103 R)
• M3: 466,446 km (0.073 R)
• M4: 703,260 km (0.11 R)
• M5: 814,411 km (0.032 R)
• M6: 1,039,705 km (0.11 R)
• M7: 1,217,876 km (0.098 R)
• M8: 1,734,887 km (0.104 R)
• M9: 2,067,443 km (0.097 R)
• M10: 2,293,485 km (0.106 R)
• M11: 2,377,709 km (0.089 R)
• M12: 2,614,672 km (0.073 R)
• M13: 2,680,644 km (0.081 R)
• M14: 2,814,235 km (0.05 R)
• M15: 3,299,680 km (0.095 R)
• M16: 3,395,124 km (0.098 R)
• M17: 4,399,524 km (0.115 R)
• M18: 4,478,362 km (0.087 R)
• M19: 4,771,723 km (0.104 R)
• M20: 5,265,097 km (0.092 R)
• M21: 5,546,341 km (0.08 R)
• M22: 6,419,394 km (0.104 R)
• M23: 6,750,155 km (0.103 R)
• M24: 7,024,966 km (0.072 R)
• M25: 7,807,662 km (0.071 R)
• M26: 7,903,405 km (0.094 R)
• M27: 8,982,754 km (0.096 R)
• M28: 9,762,159 km (0.053 R)
• M29: 10,142,586 km (0.063 R)
• M30: 11,061,117 km (0.099 R)
• M31: 11,385,146 km (0.088 R)
• M32: 12,005,977 km (0.099 R)
• M33: 12,301,882 km (0.062 R)
• M34: 13,204,256 km (0.104 R)
• M35: 13,356,696 km (0.1 R)
• M36: 14,479,428 km (0.094 R)
• M37: 14,754,988 km (0.079 R)
• M38: 16,117,824 km (0.063 R)
• M39: 16,199,355 km (0.086 R)
• M40: 16,814,352 km (0.118 R)
• M41: 17,270,326 km (0.056 R)
• M42: 17,520,603 km (0.069 R)
• M43: 17,898,488 km (0.039 R)
• M44: 19,177,400 km (0.117 R)
• M45: 19,610,186 km (0.084 R)
• M46: 19,740,636 km (0.101 R)
• M47: 20,046,264 km (0.047 R)
• M48: 20,485,484 km (0.077 R)
• M49: 21,552,715 km (0.116 R)
• M50: 21,642,474 km (0.053 R)
• M51: 22,683,376 km (0.037 R)
• M52: 22,774,780 km (0.105 R)
• M53: 23,279,074 km (0.111 R)
• M54: 23,417,303 km (0.064 R)
• M55: 24,019,135 km (0.114 R)
• M56: 24,955,169 km (0.11 R)
• M57: 25,238,358 km (0.103 R)
• M58: 25,427,599 km (0.065 R)
• M59: 26,333,564 km (0.066 R)
• M60: 26,573,668 km (0.107 R)
• M61: 26,669,860 km (0.088 R)
• M62: 26,766,350 km (0.05 R)
• M63: 26,862,841 km (0.114 R)
• M64: 27,104,591 km (0.111 R)
• M65: 27,444,178 km (0.104 R)
• M66: 27,980,786 km (0.083 R)
• M67: 28,274,895 km (0.051 R)
• M68: 28,965,289 km (0.095 R)
• M69: 30,563,892 km (0.096 R)
• M70: 31,120,097 km (0.111 R)
• M71: 31,323,101 km (0.063 R)
• M72: 31,679,593 km (0.117 R)
• M73: 32,756,997 km (0.11 R)
• M74: 33,742,099 km (0.065 R)
• M75: 34,159,776 km (0.113 R)
• M76: 34,421,722 km (0.083 R)
• M77: 34,736,925 km (0.07 R)
• M78: 35,158,641 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611

Radius: 7.4

Gravity: 11.16 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.83 AU - 9.19 AU

Year: 17136 Days

Day: 15.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 47,054,949 km

• M1: 238,309 km (0.064 R)
• M2: 322,234 km (0.058 R)
• M3: 417,827 km (0.117 R)
• M4: 469,737 km (0.095 R)
• M5: 542,741 km (0.066 R)
• M6: 943,065 km (0.097 R)
• M7: 1,086,081 km (0.063 R)
• M8: 1,236,277 km (0.078 R)
• M9: 1,785,151 km (0.062 R)
• M10: 3,007,964 km (0.098 R)
• M11: 3,364,755 km (0.078 R)
• M12: 3,925,149 km (0.037 R)
• M13: 4,354,495 km (0.029 R)
• M14: 4,757,661 km (0.072 R)
• M15: 4,922,368 km (0.109 R)
• M16: 5,993,489 km (0.1 R)
• M17: 6,441,535 km (0.106 R)
• M18: 7,512,805 km (0.059 R)
• M19: 7,608,548 km (0.118 R)
• M20: 7,752,910 km (0.114 R)
• M21: 7,946,938 km (0.094 R)
• M22: 8,389,149 km (0.032 R)
• M23: 10,987,964 km (0.117 R)
• M24: 11,096,721 km (0.064 R)
• M25: 11,923,997 km (0.111 R)
• M26: 12,260,443 km (0.114 R)
• M27: 12,713,874 km (0.112 R)
• M28: 12,942,609 km (0.099 R)
• M29: 13,812,671 km (0.073 R)
• M30: 13,930,105 km (0.101 R)
• M31: 15,122,699 km (0.119 R)
• M32: 15,243,724 km (0.113 R)
• M33: 15,486,820 km (0.104 R)
• M34: 15,792,449 km (0.118 R)
• M35: 16,161,956 km (0.082 R)
• M36: 18,826,443 km (0.117 R)
• M37: 20,878,776 km (0.091 R)
• M38: 21,148,801 km (0.103 R)
• M39: 21,692,140 km (0.062 R)
• M40: 22,102,637 km (0.092 R)
• M41: 22,792,582 km (0.083 R)
• M42: 23,000,972 km (0.078 R)
• M43: 23,840,814 km (0.11 R)
• M44: 24,052,346 km (0.078 R)
• M45: 24,690,680 km (0.056 R)
• M46: 25,406,356 km (0.102 R)
• M47: 26,711,747 km (0.11 R)
• M48: 26,931,506 km (0.089 R)
• M49: 28,262,179 km (0.108 R)
• M50: 28,860,571 km (0.058 R)
• M51: 29,765,788 km (0.112 R)
• M52: 30,527,241 km (0.113 R)
• M53: 30,603,835 km (0.058 R)
• M54: 31,295,127 km (0.062 R)
• M55: 31,449,512 km (0.113 R)
• M56: 31,759,030 km (0.05 R)
• M57: 32,225,027 km (0.069 R)
• M58: 33,006,825 km (0.115 R)
• M59: 34,032,468 km (0.065 R)
• M60: 35,550,288 km (0.05 R)
• M61: 36,439,049 km (0.084 R)
• M62: 36,764,126 km (0.06 R)
• M63: 36,845,507 km (0.104 R)
• M64: 38,568,725 km (0.083 R)
• M65: 40,486,121 km (0.07 R)
• M66: 40,738,492 km (0.075 R)
• M67: 42,263,792 km (0.12 R)
• M68: 43,462,819 km (0.064 R)
• M69: 44,066,596 km (0.079 R)
• M70: 44,933,964 km (0.065 R)
• M71: 45,108,096 km (0.095 R)
• M72: 46,509,380 km (0.05 R)
• M73: 50,979,364 km (0.108 R)
• M74: 52,255,284 km (0.099 R)
• M75: 52,897,209 km (0.089 R)
• M76: 54,281,438 km (0.095 R)
• M77: 54,466,939 km (0.114 R)
• M78: 54,838,540 km (0.108 R)
• M79: 55,490,787 km (0.105 R)
• M80: 56,427,120 km (0.096 R)
• M81: 56,991,403 km (0.083 R)
• M82: 57,085,650 km (0.097 R)
• M83: 57,746,723 km (0.057 R)
• M84: 58,410,339 km (0.117 R)
• M85: 59,458,272 km (0.08 R)
• M86: 59,553,865 km (0.11 R)
• M87: 60,032,429 km (0.052 R)
• M88: 62,056,638 km (0.115 R)
• M89: 62,736,261 km (0.091 R)
• M90: 63,516,114 km (0.069 R)
• M91: 64,299,110 km (0.109 R)
• M92: 64,691,804 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539

Radius: 7.9

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.87 AU - 10.45 AU

Year: 17591 Days

Day: 15.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 47,054,949 km

• M1: 162,613 km (0.088 R)
• M2: 266,883 km (0.103 R)
• M3: 368,160 km (0.034 R)
• M4: 575,204 km (0.056 R)
• M5: 861,684 km (0.104 R)
• M6: 1,983,518 km (0.093 R)
• M7: 2,257,731 km (0.029 R)
• M8: 2,841,911 km (0.081 R)
• M9: 3,186,135 km (0.107 R)
• M10: 3,470,970 km (0.072 R)
• M11: 3,543,525 km (0.106 R)
• M12: 3,951,478 km (0.06 R)
• M13: 4,571,561 km (0.118 R)
• M14: 4,811,816 km (0.041 R)
• M15: 5,015,269 km (0.111 R)
• M16: 5,987,206 km (0.112 R)
• M17: 6,427,622 km (0.109 R)
• M18: 7,293,195 km (0.106 R)
• M19: 7,668,536 km (0.117 R)
• M20: 9,434,240 km (0.081 R)
• M21: 10,890,426 km (0.1 R)
• M22: 10,997,089 km (0.12 R)
• M23: 11,050,496 km (0.118 R)
• M24: 11,265,318 km (0.068 R)
• M25: 11,862,962 km (0.119 R)
• M26: 13,430,298 km (0.063 R)
• M27: 13,774,673 km (0.12 R)
• M28: 15,180,743 km (0.113 R)
• M29: 16,264,879 km (0.068 R)
• M30: 17,249,532 km (0.113 R)
• M31: 17,311,765 km (0.074 R)
• M32: 17,811,870 km (0.118 R)
• M33: 17,874,702 km (0.101 R)
• M34: 19,275,985 km (0.109 R)
• M35: 19,534,640 km (0.095 R)
• M36: 20,251,662 km (0.1 R)
• M37: 20,382,859 km (0.06 R)
• M38: 21,510,229 km (0.1 R)
• M39: 22,794,078 km (0.112 R)
• M40: 23,136,059 km (0.091 R)
• M41: 23,755,992 km (0.094 R)
• M42: 23,825,106 km (0.094 R)
• M43: 26,146,417 km (0.066 R)
• M44: 26,936,144 km (0.09 R)
• M45: 27,879,358 km (0.094 R)
• M46: 29,426,051 km (0.104 R)
• M47: 29,574,751 km (0.06 R)
• M48: 30,472,488 km (0.086 R)
• M49: 31,455,047 km (0.097 R)
• M50: 32,294,590 km (0.07 R)
• M51: 33,218,806 km (0.105 R)
• M52: 34,621,585 km (0.05 R)
• M53: 36,681,547 km (0.088 R)
• M54: 37,001,986 km (0.073 R)
• M55: 38,211,784 km (0.049 R)
• M56: 40,009,651 km (0.117 R)
• M57: 40,092,080 km (0.077 R)
• M58: 40,339,515 km (0.092 R)
• M59: 41,501,142 km (0.032 R)
• M60: 41,584,468 km (0.063 R)
• M61: 41,918,670 km (0.072 R)
• M62: 42,253,619 km (0.105 R)
• M63: 43,179,481 km (0.095 R)
• M64: 43,687,365 km (0.105 R)
• M65: 44,452,708 km (0.108 R)
• M66: 45,394,277 km (0.104 R)
• M67: 47,297,162 km (0.1 R)
• M68: 47,907,970 km (0.086 R)
• M69: 49,667,839 km (0.093 R)
• M70: 49,844,963 km (0.072 R)
• M71: 50,288,671 km (0.063 R)
• M72: 51,001,504 km (0.053 R)
• M73: 51,359,043 km (0.105 R)
• M74: 52,707,668 km (0.101 R)
• M75: 52,978,740 km (0.072 R)
• M76: 55,347,622 km (0.081 R)
• M77: 55,807,186 km (0.055 R)
• M78: 56,360,250 km (0.072 R)
• M79: 56,452,701 km (0.1 R)
• M80: 57,471,912 km (0.092 R)
• M81: 58,123,709 km (0.088 R)
• M82: 58,684,253 km (0.079 R)
• M83: 58,965,347 km (0.117 R)
• M84: 59,622,680 km (0.04 R)
• M85: 60,566,044 km (0.085 R)
• M86: 60,660,590 km (0.064 R)
• M87: 61,324,206 km (0.09 R)
• M88: 61,990,216 km (0.085 R)
• M89: 62,945,847 km (0.11 R)
• M90: 63,137,482 km (0.052 R)
• M91: 63,233,524 km (0.107 R)
• M92: 63,329,416 km (0.119 R)
• M93: 64,002,607 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 125.2

Radius: 3.9

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.94 AU - 12.62 AU

Year: 22751 Days

Day: 21.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 47,054,949 km

• M1: 118,182 km (0.097 R)
• M2: 369,507 km (0.108 R)
• M3: 774,169 km (0.062 R)
• M4: 1,317,658 km (0.056 R)
• M5: 1,625,082 km (0.109 R)
• M6: 2,150,918 km (0.095 R)
• M7: 2,226,465 km (0.102 R)
• M8: 2,806,755 km (0.114 R)
• M9: 3,028,758 km (0.116 R)
• M10: 3,578,531 km (0.074 R)
• M11: 3,668,289 km (0.106 R)
• M12: 4,443,506 km (0.108 R)
• M13: 4,669,398 km (0.09 R)
• M14: 4,800,147 km (0.046 R)
• M15: 5,031,874 km (0.115 R)
• M16: 5,994,985 km (0.12 R)
• M17: 6,065,894 km (0.103 R)
• M18: 6,643,342 km (0.083 R)
• M19: 8,319,437 km (0.06 R)
• M20: 8,597,539 km (0.053 R)
• M21: 9,040,648 km (0.031 R)
• M22: 9,408,808 km (0.117 R)
• M23: 10,799,919 km (0.065 R)
• M24: 10,929,471 km (0.101 R)
• M25: 11,806,713 km (0.107 R)
• M26: 12,298,890 km (0.057 R)
• M27: 13,627,917 km (0.112 R)
• M28: 13,861,589 km (0.063 R)
• M29: 14,618,405 km (0.1 R)
• M30: 16,967,839 km (0.098 R)
• M31: 19,800,026 km (0.062 R)
• M32: 20,277,243 km (0.073 R)
• M33: 21,895,144 km (0.099 R)
• M34: 22,333,466 km (0.106 R)
• M35: 23,553,886 km (0.108 R)
• M36: 25,138,277 km (0.078 R)
• M37: 25,943,263 km (0.073 R)
• M38: 30,153,695 km (0.08 R)
• M39: 33,557,495 km (0.045 R)
• M40: 34,570,422 km (0.117 R)
• M41: 36,561,121 km (0.103 R)
• M42: 37,015,749 km (0.083 R)
• M43: 40,183,334 km (0.059 R)
• M44: 40,384,095 km (0.081 R)
• M45: 40,854,131 km (0.094 R)
• M46: 41,460,900 km (0.114 R)
• M47: 41,731,672 km (0.038 R)
• M48: 43,505,155 km (0.102 R)
• M49: 44,332,132 km (0.027 R)
• M50: 44,401,246 km (0.053 R)
• M51: 45,861,322 km (0.106 R)
• M52: 46,492,026 km (0.077 R)
• M53: 46,914,042 km (0.076 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: 219 - 11,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit