[Iaude] MPEC V244: 2016 XZ23 [a=2.31,e=0.51,i=17.1,H=20.16]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Nov 14 09:20:57 EST 2023


M.P.E.C. 2023-V244                            Issued 2023 November 14, 14:19 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

                                   2016 XZ23                                    


                            Revision to MPEC 2016-Y9                            

Additional Observations:
     K16X23Z  C2010 01 16.16880 03 36 29.92 +19 31 56.5          21.3 GVEV244G96
     K16X23Z  C2010 01 16.18052 03 36 30.12 +19 31 36.0          21.1 GVEV244G96
     K16X23Z  C2023 11 07.46644 05 04 38.79 +41 51 01.0          22.3 GVEV244V06
     K16X23Z  C2023 11 07.47728 05 04 38.52 +41 51 00.3          22.0 GVEV244V06
     K16X23Z KC2023 11 13.50383605 01 29.910+41 39 17.60         21.77GVEV244V06
     K16X23Z KC2023 11 13.50701505 01 29.720+41 39 16.60               VEV244V06
     K16X23Z KC2023 11 13.51019505 01 29.600+41 39 16.30               VEV244V06
     K16X23Z KC2023 11 13.51337705 01 29.430+41 39 15.60               VEV244V06

Observer details:
G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  Measurers B. Gray, D.
    Rankin, F. C. Shelly.  1.5-m reflector + CCD.
V06 Catalina Sky Survey-Kuiper.  Observers H. Groeller, J. K. Hogan.
    Measurers B. Gray, D. Rankin, F. C. Shelly, E. C. Beshore, 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, K. W.
    Wierzchos.  1.55-m reflector + CCD, 1.55-m reflector + 1K CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
100116 G96 0.03- 0.01-    231113 V06 0.03- 0.00-    E2023-QB4   +0.02 days

Orbital elements:
2016 XZ23                                                Earth MOID = 0.2681 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 305.61039              (2000.0)            P               Q                  
n   0.28100567     Peri.  241.42022     -0.87263550     -0.39081747             
a   2.3084793      Node   274.25847     +0.48308895     -0.77873552             
e   0.5052832      Incl.   17.07805     -0.07164042     -0.49074708             
P   3.51           H   20.16          G   0.15           U   0                  
Residuals in seconds of arc
100116 G96  0.1+  0.3+    161211 I52  0.8+  0.3-    170128 G96  0.3+  0.3-
100116 G96  0.2+  0.2-    161217 926  0.1-  0.1-    170128 G96  0.2+  0.2-
161201 G96  1.7-  0.9+    161217 926  0.2+  0.2-    170130 F51  0.0   0.2-
161201 G96  0.5-  0.5+    161217 926  0.1+  0.2-    170130 F51  0.2+  0.2-
161201 G96  0.1-  0.4+    161217 I93  0.2+  0.5+    170130 F51  0.2+  0.3-
161201 G96  0.2-  0.5+    161217 I93  0.3+  0.2-    170131 T12  0.1+  0.0
161209 G96  0.4-  0.3+    161222 F51  0.1+  0.2-    170131 T12  0.0   0.0
161209 G96  0.6-  0.6+    161222 F51  0.0   0.3-    170214 F51  0.0   0.1-
161209 G96  0.1+  0.5+    161222 F51  0.0   0.1-    170214 F51  0.1+  0.1-
161209 I52  0.2-  0.1-    161222 F51  0.0   0.2-    170214 F51  0.1+  0.2-
161209 I52  0.1+  0.1+    161228 H21  0.0   0.7-    170214 F51  0.1-  0.1-
161209 G96  0.2+  0.3+    161228 H21  0.1+  0.2-    170302 807  0.0   0.0
161209 I52  0.8-  0.1-    161230 291  0.1-  0.2-    170302 807  0.0   0.0
161209 G96  0.4+  0.1-    161230 291  0.4+  0.7+    170302 807  0.0   0.1-
161209 I52  0.1-  0.3+    161230 291  0.2-  0.0     170319 807  0.1+  0.4-
161209 G96  0.1-  0.1+    170106 926  0.2-  0.2-    170319 807  0.2-  0.1+
161209 G96  0.5+  0.2-    170106 926  0.1-  0.1-    170319 807  0.0   0.1-
161210 I52  0.1-  0.1-    170106 926  0.1+  0.1+    231107 V06  0.1-  0.1+
161210 I52  0.2+  0.3-    170119 G96  1.5-  0.1+    231107 V06  0.0   0.1+
161210 I52  0.3+  0.1+    170119 G96  0.7-  0.3+    231113 V06  0.5+  0.1-
161210 G96  0.0   0.2+    170119 G96  0.4-  0.4-    231113 V06  0.1-  0.4-
161210 G96  0.7+  0.1-    170119 G96  0.0   0.2-    231113 V06  0.2+  0.0
161211 I52  0.4+  0.3-    170119 691  0.4+  0.1+    231113 V06  0.2-  0.0
161211 I52  0.3+  0.6-    170119 691  0.1+  0.4+
161211 I52  0.2-  0.3+    170128 G96  0.2+  1.3+

Ephemeris:
2016 XZ23                a,e,i = 2.31, 0.51, 17                  q = 1.1420
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 10 15    04 59 48.7 +41 07 23   1.2596  1.9694   121.1    25.7    23.3
...
2023 10 30    05 05 46.4 +41 47 59   1.0447  1.8722   133.4    22.7    22.7
...
2023 11 07    05 04 48.7 +41 51 22   0.9413  1.8196   140.6    20.2    22.3
...
2023 11 13    05 01 50.9 +41 40 49   0.8700  1.7800   146.2    18.0    22.0
2023 11 14    05 01 09.5 +41 37 42   0.8587  1.7734   147.2    17.6    22.0
2023 11 15    05 00 24.9 +41 34 08   0.8476  1.7668   148.1    17.2    21.9
...
2023 11 21    04 54 48.0 +41 02 27   0.7845  1.7270   153.8    14.6    21.6
...
2023 11 29    04 44 32.4 +39 47 28   0.7110  1.6740   160.6    11.3    21.2
...
2023 12 14    04 20 15.8 +35 21 00   0.6098  1.5753   161.8    11.3    20.8

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-V244




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