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    • MPEC 2017-Q22 : 2017 QB

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    M.P.E.C. 2017-Q22                                Issued 2017 Aug. 17, 17:48 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

                                    2017 QB

Observations:
     K17Q00B* C2017 08 16.44605 21 37 58.60 -14 50 04.5          18.1 cLEQ022T05
     K17Q00B  C2017 08 16.45189 21 37 58.56 -14 48 44.1          18.2 cLEQ022T05
     K17Q00B  C2017 08 16.46647 21 37 58.48 -14 45 22.2          18.9 cLEQ022T05
     K17Q00B  C2017 08 16.46888 21 37 58.43 -14 44 48.9          18.6 cLEQ022T05
     K17Q00B KC2017 08 16.91065 21 38 21.66 -13 01 53.2          16.9 RtEQ022Z84
     K17Q00B KC2017 08 16.91277 21 38 21.69 -13 01 23.2          17.7 RtEQ022Z84
     K17Q00B KC2017 08 16.91488 21 38 21.70 -13 00 53.2          17.1 RtEQ022Z84
     K17Q00B  C2017 08 16.92342 21 38 19.85 -12 59 04.2          18.1 VdEQ022L01
     K17Q00B  C2017 08 16.92390 21 38 19.89 -12 58 57.9          18.1 VdEQ022L01
     K17Q00B  C2017 08 16.92438 21 38 19.84 -12 58 50.7          18.1 VdEQ022L01
     K17Q00B  C2017 08 16.92485 21 38 19.85 -12 58 43.6          18.0 VdEQ022L01
     K17Q00B KC2017 08 17.13422 21 38 33.27 -12 08 04.7          18.1 VqEQ022G48
     K17Q00B KC2017 08 17.13683 21 38 33.41 -12 07 26.1          18.1 VqEQ022G48
     K17Q00B KC2017 08 17.13945 21 38 33.31 -12 06 47.5          18.1 VqEQ022G48
     K17Q00B KC2017 08 17.25785 21 38 32.65 -11 38 22.0          17.2 RqEQ022734
     K17Q00B KC2017 08 17.26102 21 38 32.64 -11 37 35.3          17.3 RqEQ022734
     K17Q00B KC2017 08 17.26712 21 38 32.65 -11 36 05.8          17.2 RqEQ022734
     K17Q00B KC2017 08 17.26864 21 38 32.65 -11 35 43.4          17.2 RqEQ022734
     K17Q00B  C2017 08 17.47121 21 38 39.41 -10 45 26.4          18.8 cLEQ022T05
     K17Q00B  C2017 08 17.48137 21 38 39.32 -10 42 55.4          18.2 cLEQ022T05
     K17Q00B  C2017 08 17.49092 21 38 39.34 -10 40 32.2          17.9 cLEQ022T05
     K17Q00B  C2017 08 17.50136 21 38 39.28 -10 37 56.4          17.8 cLEQ022T05
     K17Q00B  C2017 08 17.66409 21 38 47.54 -09 57 44.3          17.9 VqEQ022900
     K17Q00B  C2017 08 17.66703 21 38 47.60 -09 57 00.3          18.2 VqEQ022900

Observer details:
734 Farpoint Observatory.  Observer G. Hug.  0.69-m reflector + CCD.
900 Moriyama.  Observer Y. Ikari.  0.26-m f/7.0 reflector + CCD.
G48 Harlingten Research Observatory, Rancho Hildalgo.  Observers C. Harlingten,
    M. Mills.  Measurer M. Mills.  0.40-m f/6.7 Ritchey-Chretien + CCD.
L01 Visnjan Observatory, Tican.  Observers B. Obradovic, V. Opacic, L. Rakijar,
    S. Skvorc, F. Hrzenjak, D. Marusic, G. Kervina, E. Pettarin.  Measurers
    L. Rakijar, S. Skvorc.  1.00-m reflector + CCD.
T05 ATLAS-HKO, Haleakala.  Observers L. Denneau, A. Heinze, H. Weiland,
    B. Stalder, J. Tonry.  Measurers L. Denneau, A. Heinze, J. Tonry.  0.5-m
    f/2.0 Schmidt + CCD.
Z84 Calar Alto-Schmidt.  Observer E. Schwab.  Measurers E. Schwab, M. Micheli,
    D. Koschny.  0.8-m f/3 Schmidt + CCD.

Orbital elements:
2017 QB                                                  Earth MOID = 0.0657 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 356.84093              (2000.0)            P               Q
n   0.37406403     Peri.   29.04025     +0.98311210     +0.11298119
a   1.9076795      Node   323.57844     -0.17538623     +0.80629028
e   0.4522660      Incl.   14.03287     +0.05225192     +0.58063004
P   2.63           H   23.3           G   0.15           U   7
Residuals in seconds of arc
170816 T05  0.2+  0.2-    170816 L01  0.1+  0.6-    170817 734  0.1-  0.7+
170816 T05  0.2+  0.3-    170816 L01  0.6-  0.2-    170817 734  0.1-  0.8+
170816 T05  0.4+  0.3+    170816 L01  0.5-  0.2+    170817 T05  0.2+  0.2-
170816 T05  0.1-  0.2+    170817 G48  0.3+  1.6-    170817 T05  0.4-  0.6-
170816 Z84  0.3-  0.3+    170817 G48  1.6+  0.5-    170817 T05  0.4+  0.1+
170816 Z84  0.1-  0.3+    170817 G48  0.6-  0.4+    170817 T05  0.1-  0.1-
170816 Z84  0.1-  0.3+    170817 734  0.1+  0.2+    170817 900  0.3-  0.2+
170816 L01  0.4-  0.1-    170817 734  0.1-  0.5+    170817 900  0.5+  0.1-

Ephemeris:
2017 QB                  a,e,i = 1.91, 0.45, 14                  q = 1.0449
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 07 18    21 20 00.5 -52 51 22   0.2358  1.2144   143.7    29.7    21.9
...
2017 08 02    21 29 52.0 -45 14 55   0.1427  1.1420   151.3    25.3    20.5
...
2017 08 10    21 34 06.4 -33 34 07   0.1008  1.1098   161.8    16.6    19.4
...
2017 08 16    21 37 41.4 -16 29 38   0.07682 1.0894   177.2     2.6    18.2
2017 08 17    21 38 21.7 -12 39 19   0.07387 1.0863   178.1     1.8    18.0
2017 08 18    21 39 03.8 -08 31 18   0.07133 1.0833   174.7     4.9    18.2
...
2017 08 24    21 44 09.4 +20 14 51   0.06613 1.0676   147.9    30.3    18.9
...
2017 09 01    21 54 47.3 +51 51 38   0.08475 1.0529   119.0    57.0    20.1
...
2017 09 16    22 35 21.5 +75 12 05   0.1495  1.0457   101.6    70.4    21.7

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-Q22

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