• MPC Preparation (Info)

    • MPEC 2018-Q51 : 2018 QR

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    M.P.E.C. 2018-Q51                                Issued 2018 Aug. 22, 15:01 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
    on behalf of Division F of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.

             Prepared using the Tamkin Foundation Computer Network

                              MPC@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2018 QR

Observations:
     K18Q00R  C2018 07 09.47799620 06 23.008-15 30 11.01         21.9 GVEQ051F51
     K18Q00R  C2018 07 09.48905720 06 24.603-15 29 57.19         21.9 GVEQ051F51
     K18Q00R  C2018 07 09.51113320 06 27.791-15 29 29.92         21.9 GVEQ051F51
     K18Q00R* C2018 08 18.47025 22 57 20.340+06 22 32.22         21.3 wUEQ051F51
     K18Q00R  C2018 08 18.48262 22 57 23.463+06 22 54.76         21.6 wUEQ051F51
     K18Q00R  C2018 08 18.49492 22 57 26.565+06 23 17.18         21.2 wUEQ051F51
     K18Q00R  C2018 08 18.50718 22 57 29.664+06 23 39.52         21.2 wUEQ051F51
     K18Q00R KC2018 08 19.02093322 59 54.10 +06 38 38.5          21.3 GVEQ051L01
     K18Q00R KC2018 08 19.02482322 59 55.10 +06 38 45.7          21.4 GVEQ051L01
     K18Q00R KC2018 08 19.02873322 59 56.10 +06 38 52.2          20.9 GVEQ051L01
     K18Q00R KC2018 08 19.21608923 00 50.45 +06 44 31.0          20.9 VuEQ051H21
     K18Q00R KC2018 08 19.22834723 00 53.57 +06 44 52.6          21.0 VuEQ051H21
     K18Q00R KC2018 08 19.24290023 00 57.32 +06 45 18.7          21.2 VuEQ051H21
     K18Q00R KC2018 08 20.46379 23 06 28.90 +07 20 29.5          21.1 RoEQ051291
     K18Q00R KC2018 08 20.46591 23 06 29.45 +07 20 33.3          21.4 RoEQ051291
     K18Q00R KC2018 08 20.46802 23 06 29.98 +07 20 36.7          21.0 RoEQ051291
     K18Q00R KC2018 08 20.99428823 08 55.04 +07 34 55.9          21.4 GVEQ051L01
     K18Q00R KC2018 08 21.00051023 08 56.60 +07 35 06.4          21.2 GVEQ051L01

Observer details:
291 LPL/Spacewatch II.  Observer A. F. Tubbiolo.  1.8-m f/2.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
    M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
    M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
    1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
    astrograph + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, A. Radica, E. Pettarin,
    G. Kervina.  Measurers E. Pettarin, K. Korlevic, A. Radica.  1.0-m f/2.9
    reflector + CCD.

Orbital elements:
2018 QR                                                  Earth MOID = 0.1103 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 312.10852              (2000.0)            P               Q
n   0.32528374     Peri.   70.11225     +0.83161177     +0.55489366
a   2.0939251      Node   256.17814     -0.51787232     +0.76007598
e   0.4649187      Incl.    1.33901     -0.20057448     +0.33819749
P   3.03           H   24.6           G   0.15           U   6
Residuals in seconds of arc
180709 F51  0.0   0.1-    180818 F51  0.1+  0.0     180819 H21  0.1-  0.3+
180709 F51  0.0   0.1+    180819 L01  0.2-  0.3+    180820 291  0.3-  0.3-
180709 F51  0.0   0.0     180819 L01  0.2-  0.5+    180820 291  0.1-  0.0
180818 F51  0.1+  0.0     180819 L01  0.2-  0.1+    180820 291  0.0   0.0
180818 F51  0.1+  0.1-    180819 H21  0.3-  0.5+    180820 L01  0.4+  0.2-
180818 F51  0.0   0.1-    180819 H21  0.6-  0.2+    180821 L01  0.7+  0.1+

Ephemeris:
2018 QR                  a,e,i = 2.09, 0.46, 1                   q = 1.1204
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 07 23    20 51 12.1 -09 38 30   0.1426  1.1544   165.2    13.0    21.4
...
2018 08 07    22 00 21.4 -00 26 53   0.1189  1.1261   159.2    18.7    21.2
...
2018 08 15    22 40 37.0 +04 30 30   0.1172  1.1206   155.5    22.0    21.3
...
2018 08 21    23 08 55.9 +07 35 48   0.1207  1.1211   153.7    23.6    21.4
2018 08 22    23 13 21.4 +08 02 26   0.1216  1.1216   153.4    23.8    21.4
2018 08 23    23 17 40.7 +08 27 45   0.1226  1.1222   153.3    23.9    21.4
...
2018 08 29    23 41 14.5 +10 32 02   0.1305  1.1279   153.0    24.0    21.6
...
2018 09 06    00 05 46.1 +12 08 35   0.1455  1.1414   154.7    22.2    21.8
...
2018 09 21    00 32 53.6 +12 34 35   0.1861  1.1833   163.1    14.3    22.1

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Q51

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