[Iaude] MPEC L94: 2017 QC36 [a=0.80,e=0.30,i=17.4,H=20.93]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Jun 12 10:08:30 EDT 2022


M.P.E.C. 2022-L94                                 Issued 2022 June 12, 14:07 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2017 QC36                                    


Additional Observations:
     K17Q36C  C2022 05 25.43864 00 03 22.94 +45 46 37.4          22.1 GVEL094V06
     K17Q36C  C2022 05 25.44738 00 03 22.20 +45 46 33.1          21.7 GVEL094V06
     K17Q36C KC2022 06 07.41881023 57 24.786+43 21 40.82         21.46GVEL094V06
     K17Q36C KC2022 06 07.42191523 57 24.800+43 21 39.06         21.71GVEL094V06
     K17Q36C KC2022 06 07.42501923 57 24.826+43 21 37.12         21.74GVEL094V06
     K17Q36C KC2022 06 07.42812723 57 24.840+43 21 35.28         21.32GVEL094V06
     K17Q36C 1C2022 06 08.11295723 57 33.214+43 13 32.54         22.2 GVEL094Z84

Observer details:
V06 Catalina Sky Survey-Kuiper.  Observers E. J. Christensen, G. J. Leonard.
    Measurers E. J. Christensen, B. Gray, D. Rankin, F. C. Shelly, D. Fay, J.
    B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, J. K.
    Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, A.
    Serrano, K. W. Wierzchos.  1.55-m reflector + CCD, 1.55-m reflector + 1K
    CCD.
Z84 Calar Alto-Schmidt.  Observers M. Micheli, R. Kresken, E. Schwab, L.
    Conversi, D. Koschny.  Measurers M. Micheli, R. Kresken.  0.8-m f/3
    Schmidt + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
220525 V06 0.05+ 0.07+    220608 Z84 0.02+ 0.08+    MPO640927   -0.02 days

Orbital elements:
2017 QC36                                           PHA, Earth MOID = 0.0212 AU
Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                  Veres                   
M 193.46355              (2000.0)            P               Q                  
n   1.37925892     Peri.  356.54667     -0.68687058     -0.69734554             
a   0.7992921      Node   136.68794     +0.67375467     -0.71659765             
e   0.2959482      Incl.   17.36546     +0.27251321     +0.01403555             
P   0.71           H   20.93          G   0.15           U   1                  
Residuals in seconds of arc
170613 G96  1.2-  0.3+    170803 F51  0.1+  0.1-    220525 V06  0.4+  0.3-
170613 G96  0.6+  0.5-    170818 C51  1.2-  0.4+    220525 V06  0.3-  0.0
170709 F51  0.1+  0.2-    170818 C51  0.3-  0.0     220607 V06  0.2-  0.0
170709 F51  0.1-  0.1+    170818 C51  1.0+  0.0     220607 V06  0.2-  0.1+
170726 W84  0.1+  0.1+    170818 C51  0.2+  0.2+    220607 V06  0.0   0.1+
170726 W84  0.1+  0.2+    170818 C51  2.1-  0.3+    220607 V06  0.0   0.1+
170726 W84  0.1+  0.1+    170818 C51  0.9-  0.2-    220608 Z84  0.2-  0.1-
170803 F51  0.1+  0.3+    170819 C51  0.3+  0.1-
170803 F51  0.1+  0.1-    170820 F51  0.2+  0.4-

Ephemeris:
2017 QC36                a,e,i = 0.80, 0.30, 17                  q = 0.5627
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2022 05 13    00 30 11.6 +47 16 10   0.3624  0.7954    44.8   116.4    22.8
...
2022 05 28    00 00 40.9 +45 19 40   0.3439  0.8757    57.1   103.6    22.1
...
2022 06 05    23 57 12.4 +43 49 47   0.3297  0.9129    62.9    98.3    21.9
...
2022 06 11    23 58 31.4 +42 39 41   0.3159  0.9378    67.0    95.0    21.7
2022 06 12    23 59 01.0 +42 27 48   0.3134  0.9417    67.6    94.5    21.6
2022 06 13    23 59 34.9 +42 15 51   0.3107  0.9455    68.3    94.0    21.6
...
2022 06 19    00 04 22.7 +41 02 21   0.2932  0.9668    72.1    91.2    21.4
...
2022 06 27    00 14 04.4 +39 14 50   0.2657  0.9909    76.9    87.9    21.1
...
2022 07 12    00 41 36.0 +34 25 53   0.2038  1.0223    85.9    82.7    20.4

A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-L94




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