(196256)_2003_EH1

<span class="nowrap">(196256) 2003 EH<sub>1</sub></span>

(196256) 2003 EH1

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(196256) 2003 EH1 is an asteroid, classified as near-Earth object of the Amor group. It was discovered on 6 March 2003, by astronomers of the LONEOS program at Anderson Mesa Station near Flagstaff, Arizona, in the United States.[2][4] Peter Jenniskens (2003–2004) proposed that it is the parent body of the Quadrantid meteor shower.[5][6] 2003 EH1 is likely an extinct comet and may even be related to the comet C/1490 Y1. 2003 EH1 came to perihelion on 12 March 2014.[1]

The orbit of 2003 EH1

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Notes

†Assuming an albedo between 0.04 (typical of extinct comet nuclei) and 0.09.

References

  1. [1]
    "JPL Small-Body Database Browser: 196256 (2003 EH1)" (2014-03-23 last obs and observation arc=11.05 years). Jet Propulsion Laboratory. Retrieved 7 April 2016.
  2. [2]
    "IAUC 8252: 2003kw; 2003 EH_1, THE QUADRANTIDS". IAU Central Bureau for Astronomical Telegrams. 8 December 2003. Retrieved 14 October 2015.
  3. [3]
    Kasuga, Toshihiro; Jewitt, David (2015). "Physical Observations of (196256) 2003 EH1, Presumed Parent of the Quadrantid Meteoroid Stream". The Astronomical Journal. 150 (5). 152. arXiv:1509.03361. Bibcode:2015AJ....150..152K. doi:10.1088/0004-6256/150/5/152. S2CID 50649.
  4. [4]
    Ball, Philip (2003). "Dead comet spawned New Year meteors". Nature News. doi:10.1038/news031229-5.
  5. [5]
    Jenniskens, Peter (2004). "2003 EH1 Is the Quadrantid Shower Parent Comet". The Astronomical Journal. 127 (5): 3018–3022. Bibcode:2004AJ....127.3018J. doi:10.1086/383213.
  6. [6]
    Porubčan, V.; Kornoš, L. (2005). "The Quadrantid meteor stream and 2003 EH1". Contributions of the Astronomical Observatory Skalnaté Pleso. 35 (1): 5–16. Bibcode:2005CoSka..35....5P.
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