Comet P/2005 RV25 = 2014 U5 (LONEOS-Christensen) M. Micheliの通報によると、10月23.0日UT、D. Abreuが, Tenerife, スペインのESA(欧州宇宙機関) の光学地上局の1.0-m f/4.4 反射望遠鏡とJ. D. Armstrongが11月17.3日UT、Haleakalaの"Faulkes Telescope North"の2.0-m f/10 反射望遠鏡で得た画像からP/2005 RV25を検出した。 検出位置は次のとおり、 2014 UT R.A. (2000) Decl. Mag. Observer Oct. 22.98197 1 04 17.32 +16 49 54.9 21.4 Abreu 22.99297 1 04 16.91 +16 49 51.6 21.4 " 23.00397 1 04 16.56 +16 49 47.9 21.4 " Nov. 17.25859 0 52 57.74 +14 34 38.1 22.1 Armstrong 17.27443 0 52 57.47 +14 34 33.5 22.0 " MPC 79351のB. G. Marsdenの予報に対し、Delta(T)は、+0.50 dayであった。 連結軌道要素、位置推算表は次のとおり、 Orbital elements: P/2005 RV25 (LONEOS-Christensen) Epoch 2006 Nov. 1.0 TT = JDT 2454040.5 T 2006 Nov. 7.77867 TT MPCW q 3.6067161 (2000.0) P Q n 0.10947311 Peri. 191.77739 +0.19844942 -0.96730669 a 4.3277723 Node 246.93915 +0.91259409 +0.24112828 e 0.1666114 Incl. 9.88230 +0.35747706 -0.07858067 P 9.00 From 85 observations 2005 Sept. 11-2014 Nov. 17, mean residual 0".7. P/2005 RV25 (LONEOS-Christensen) Epoch 2015 Oct. 25.0 TT = JDT 2457320.5 T 2015 Oct. 29.03478 TT MPCW q 3.5810848 (2000.0) P Q n 0.11028600 Peri. 191.85138 +0.19843922 -0.96728073 a 4.3064804 Node 246.86722 +0.91269601 +0.24115536 e 0.1684428 Incl. 9.89850 +0.35722243 -0.07881673 P 8.94 From 85 observations 2005 Sept. 11-2014 Nov. 17, mean residual 0".7. P/2005 RV25 (LONEOS-Christensen) Epoch 2024 Oct. 17.0 TT = JDT 2460600.5 T 2024 Oct. 13.26569 TT MPCW q 3.7200952 (2000.0) P Q n 0.10588956 Peri. 188.18993 +0.27538776 -0.94846032 a 4.4248711 Node 245.94006 +0.89145061 +0.31299861 e 0.1592760 Incl. 9.88745 +0.35982967 -0.04954689 P 9.31 From 85 observations 2005 Sept. 11-2014 Nov. 17, mean residual 0".7. P/2005 RV25 (LONEOS-Christensen) Epoch 2014 Dec. 9.0 TT = JDT 2457000.5 T 2015 Oct. 28.47814 TT MPCW q 3.5813645 (2000.0) P Q n 0.11022954 Peri. 191.76315 +0.19988312 -0.96698637 a 4.3079506 Node 246.86983 +0.91233035 +0.24251252 e 0.1686616 Incl. 9.89716 +0.35735145 -0.07826266 P 8.94 From 85 observations 2005 Sept. 11-2014 Nov. 17, mean residual 0".7. Ephemeris: P/2005 RV25 (LONEOS-Christensen) Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 2014 10 20 01 06 01.1 +17 05 48 2.8416 3.8255 169.7 2.7 21.6 ... 2014 11 04 00 57 58.7 +15 44 01 2.8777 3.8081 156.5 6.0 21.6 ... 2014 11 12 00 54 39.3 +15 01 10 2.9225 3.7990 148.1 7.9 21.6 ... 2014 11 18 00 52 45.4 +14 31 03 2.9667 3.7922 141.7 9.3 21.7 2014 11 19 00 52 29.7 +14 26 15 2.9748 3.7911 140.6 9.5 21.7 2014 11 20 00 52 15.0 +14 21 32 2.9832 3.7900 139.6 9.7 21.7 ... 2014 11 26 00 51 07.6 +13 54 57 3.0381 3.7833 133.2 11.0 21.7 ... 2014 12 04 00 50 36.0 +13 24 47 3.1220 3.7746 125.0 12.4 21.7 ... 2014 12 19 00 52 36.8 +12 46 53 3.3043 3.7586 110.2 14.2 21.8 (CBET 4017、MPEC 2014-W19)