記事タイトル:Comet P/2002 AR2 (LINEAR) 

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[2005年5月11日 0時44分20秒]

お名前: 佐藤 裕久   
LINEAR計画により1月6日に発見された外見上の小惑星状天体が、2月と3月に偶然再観測され
その後、軌道計算は彗星かも知れないと示唆されたが、小惑星センターによって認められた。
NEO Confirmation Pageに掲載され、Whipple天文台(Mt.Hopkins)の1.2-m反射鏡の観測では、
4月6.1日UT、貧弱な条件下(高層に薄い絹雲)類似した輝きの星より柔らかく、4月7.2日は、
少し拡散した一定のイメージを示した。

発見位置は次のとおり、

     2002 UT             R.A. (2000) Decl.        m2
     Jan.  6.14531    2 32 53.60   +46 57 58.1   18.9

軌道要素、位置推算表は次のとおり、

Orbital elements:
    P/2002 AR2 (LINEAR)
Epoch 2002 Jan. 6.0 TT = JDT 2452280.5
T 2002 Jan. 16.53389 TT                                 MPC
q   2.0644627            (2000.0)            P               Q
n   0.07915775     Peri.   73.67333     +0.15625969     -0.98649153
a   5.3720548      Node     7.84644     +0.71143870     +0.07788226
e   0.6157033      Incl.   21.10921     +0.68515538     +0.14411388
P  12.45

Ephemeris:
    P/2002 AR2 (LINEAR)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2002 04 06    05 46.44   +42 54.4    2.276    2.193    72.5    25.8  17.2  20.7
2002 04 16    06 13.13   +41 46.2    2.397    2.226    68.0    24.7  17.4  20.8
2002 04 26    06 39.25   +40 26.9    2.521    2.261    63.6    23.5  17.6  20.9
2002 05 06    07 04.58   +38 57.2    2.647    2.299    59.2    22.1  17.7  21.0
2002 05 16    07 28.99   +37 18.5    2.773    2.340    54.7    20.7  17.9  21.1
2002 05 26    07 52.39   +35 32.1    2.899    2.383    50.3    19.1  18.1  21.2
2002 06 05    08 14.75   +33 39.5    3.024    2.428    45.8    17.4  18.3  21.2
2002 06 15    08 36.10   +31 42.1    3.147    2.475    41.2    15.7  18.4  21.3
2002 06 25    08 56.45   +29 41.1    3.265    2.524    36.6    13.9  18.6  21.4
2002 07 05    09 15.86   +27 37.7    3.380    2.574    32.0    12.1  18.8  21.4

(IAUC 7869、MPEC 2002-G30)
[2002年4月8日 21時59分56秒]

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