[Iaude] MPEC W150: 2013 HQ166 [a=1.30,e=0.20,i=22.0,H=22.9]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2023-W150                            Issued 2023 November 29, 21:31 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets, routine data on comets and natural satellites,
         and occasional editorial announcements.  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

                                   2013 HQ166                                   

     The following astrometry was found among the isolated tracklets and linked
by A. Doppler.

Observations:
     K13HG6Q*5C2013 04 16.22911 13 52 59.13 -13 37 26.9          23.1 VLEW150W84
     K13HG6Q 5C2013 04 16.23318 13 52 58.38 -13 37 30.8                LEW150W84
     K13HG6Q 5C2013 04 16.23748 13 52 57.59 -13 37 34.7                LEW150W84
     K13HG6Q 5C2013 04 16.24156 13 52 56.83 -13 37 38.5                LEW150W84
     K13HG6Q 5C2013 04 17.13425 13 50 18.44 -13 51 30.5          22.5 rLEW150W84
     K13HG6Q 5C2013 04 17.13841 13 50 17.69 -13 51 34.4                LEW150W84
     K13HG6Q 5C2013 04 17.14270 13 50 16.88 -13 51 38.3                LEW150W84
     K13HG6Q 5C2013 04 17.14688 13 50 16.11 -13 51 42.2                LEW150W84
     K13HG6Q 5C2013 04 19.28831 13 43 49.73 -14 24 28.1          22.6 rLEW150W84
     K13HG6Q 5C2013 04 19.29339 13 43 48.79 -14 24 32.7                LEW150W84
     K13HG6Q 5C2013 04 19.29841 13 43 47.84 -14 24 37.3                LEW150W84
     K13HG6Q 5C2013 04 19.30344 13 43 46.92 -14 24 41.8                LEW150W84

Observer details:
W84 Cerro Tololo-DECam.  Observers A. Earle, D. Herrera, C. Fuentes, J.
    Rajagopal, D. James.  Measurer F. Valdes.  4.0-m CTIO reflector.

Orbital elements:
2013 HQ166                                               Earth MOID = 0.0492 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 207.71989              (2000.0)            P               Q                  
n   0.66670581     Peri.  353.18415     +0.93935536     -0.30026047             
a   1.2977167      Node    26.22285     +0.32968819     +0.65760684             
e   0.1952235      Incl.   22.02391     +0.09443099     +0.69093914             
P   1.48           H   22.98          G   0.15           U   9                  
Residuals in seconds of arc
130416 W84  0.1+  0.0     130417 W84  0.1-  0.0     130419 W84  0.0   0.1+
130416 W84  0.0   0.1-    130417 W84  0.2+  0.1-    130419 W84  0.1+  0.1+
130416 W84  0.0   0.0     130417 W84  0.1-  0.1+    130419 W84  0.2-  0.1-
130416 W84  0.2-  0.0     130417 W84  0.0   0.1+    130419 W84  0.1+  0.1-

Ephemeris:
2013 HQ166               a,e,i = 1.30, 0.20, 22                  q = 1.0444
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 10 30    15 00 56.9 -25 03 35   2.3889  1.4591    15.9    10.7    26.4
...
2023 11 14    15 45 13.9 -28 57 57   2.3731  1.4266    13.0     9.0    26.2
...
2023 11 22    16 10 45.9 -30 45 59   2.3586  1.4076    12.0     8.4    26.2
...
2023 11 28    16 30 50.2 -31 57 18   2.3454  1.3926    11.5     8.1    26.1
2023 11 29    16 34 15.5 -32 08 17   2.3430  1.3900    11.5     8.1    26.1
2023 11 30    16 37 42.2 -32 19 00   2.3406  1.3875    11.4     8.1    26.1
...
2023 12 06    16 58 50.5 -33 17 14   2.3250  1.3717    11.2     8.0    26.1
...
2023 12 14    17 28 13.5 -34 17 11   2.3021  1.3500    11.2     8.1    26.0
...
2023 12 29    18 26 28.2 -35 05 27   2.2540  1.3071    11.8     8.9    25.9

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-W150