<Observations>
  <FileVersion>2.12</FileVersion>
  <Event>
    <Date>2025|4|21|15.4</Date>
    <Details>
      <Star>UCAC4|473-046077|3|3858000351257446528|10.7608644761|4.409857395|0.15|0.14|0.00|0|10.78294533|4.2753617|12.99|12.58|12.00|0</Star>
        <StarIssues>1.00|0|0|0|1.20|10|0.00|0.00|0.00|0.00</StarIssues>
      <Asteroid>17827|1998 HW|1.06994681|3.05408679|0.0040173|-0.0014230|0.0000008|-0.0000004|5.17253|-0.00137|6.2|0.6|17.40</Asteroid>
      <EventFits>
        <SolveFlags>1|1|0|0|0|1|0|0|0</SolveFlags>
        <EllipticFit>0.5|0.1|6.2|6.2|0.0|1|1|0|0.0|0.0</EllipticFit>
        <EllipseUncertainty>0.2|0.2|||</EllipseUncertainty>
      </EventFits>
      <Astrometry>
        <ReferenceTime>2025|4|21|15.6737486|0.034|0.00</ReferenceTime>
        <MainBody>17827|4615.6|3514.3|3.7402|2.8527|0.0020|0.0020|0|2|0|f1|0.6|0.4|0.25|-0.67|9.00|-9.00</MainBody>
        <MainAtConjunction>17827|3012.4|-1055.7|2025|4|21.6432961|0.0000016|0.6|2.5892|0.5|109.266|0</MainAtConjunction>
        <MPC>||</MPC>
      </Astrometry>
    </Details>
    <Observations>
      <Observer>
        <ID>1|Katsuhiko Kitazaki||0|Musasino, Tokyo|JP|+139 33 41.2|+35 42 37.0|66| |40|6|a|a</ID>
        <Conditions>3|2|5.8||[5.8,5.8:83.8]Reappearance was slow and took 3 frames.</Conditions>
        <D>15 40 25.365|D|0.019||| </D>
        <R>15 40 26.03|R|0.06||| </R>
      </Observer>
      <Observer>
        <ID>2|Takeshi Nemoto||0|Chofu, Tokyo|JP|+139 33 12.0|+35 40 19.9|55| |25|2|a|a</ID>
        <Conditions>2|1|6.0||[6.1,5.9:144.0]</Conditions>
        <D>15 40 25.03|D|0.02||| </D>
        <R>15 40 25.52|R|0.02||| </R>
      </Observer>
      <Prediction>3|+140  0  0. |+35 52 55. |15 40 29.48|JPL#60+Ephem</Prediction>
    </Observations>
    <Added>2025|5|6</Added>
    <LastEdited>2023|7|17</LastEdited>
  </Event>
</Observations>
