[Iaude] MPEC V231: 2015 XQ378 [a=0.93,e=0.32,i=9.7,H=24.08]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Nov 13 09:20:37 EST 2023


M.P.E.C. 2023-V231                            Issued 2023 November 13, 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

                                   2015 XQ378                                   


                            Revision to MPEC 2015-Y3                            

Additional Observations:
     K15Xb8Q  C2023 11 11.21887 03 14 08.37 +41 14 08.2          22.0 GVEV231V06
     K15Xb8Q  C2023 11 11.22495 03 14 06.48 +41 13 56.5          22.1 GVEV231V06
     K15Xb8Q  C2023 11 11.23102 03 14 04.53 +41 13 44.4          21.3 GVEV231V06
     K15Xb8Q KC2023 11 12.22332303 09 13.330+40 39 18.40         22.14GVEV231V06
     K15Xb8Q KC2023 11 12.23431903 09 09.890+40 38 55.30         21.94GVEV231V06
     K15Xb8Q KC2023 11 12.24327903 09 07.140+40 38 36.20         21.88GVEV231V06

Observer details:
V06 Catalina Sky Survey-Kuiper.  Observer 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
231111 V06 0.19+ 0.01+    231112 V06 0.19+ 0.02+    MPO369302   +0.05 days

Orbital elements:
2015 XQ378                                               Earth MOID = 0.0618 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 133.36298              (2000.0)            P               Q                  
n   1.10268979     Peri.  322.81314     -0.76367880     +0.62439672             
a   0.9278985      Node   256.64386     -0.54434750     -0.75941413             
e   0.3230375      Incl.    9.70904     -0.34710301     -0.18280843             
P   0.89           H   24.08          G   0.15           U   2                  
Residuals in seconds of arc
151214 G96  0.0   0.0     151215 J22  0.1+  0.3+    151217 926  0.6-  0.1-
151214 G96  0.3-  0.1+    151215 J22  0.5+  0.6+    151217 926  0.3-  0.3-
151214 G96  0.0   0.2-    151215 926  0.2-  0.4-    151219 926  0.6-  0.5+
151214 G96  0.4-  0.3-    151215 926  0.2+  0.9-    151219 926  0.1-  0.0
151214 G96  0.1-  0.0     151215 926  0.1+  0.4-    151219 926  0.2+  0.6+
151214 G45  0.3+  0.1-    151215 926  0.4+  0.4-    151229 926  0.8-  0.1+
151214 G96  0.1+  0.2+    151215 926  0.1+  0.0     151229 926  0.1-  0.2-
151214 G45  0.3+  0.4+    151215 926  0.2+  0.0     151229 926  0.1+  0.0
151214 G96  0.3-  0.1+    151216 926  0.5-  0.1-    160104 474  0.1-  0.1-
151214 G45  0.2+  0.3+    151216 926  0.3-  0.2-    160104 474  0.1+  0.6-
151214 G45  0.3+  0.1-    151216 926  0.2-  0.2-    160104 474  0.4+  0.6+
151214 G96  0.2-  0.1-    151217 204  0.2-  0.2+    231111 V06  0.4+  0.2-
151214 G45  0.3+  0.2+    151217 204  0.3-  0.0     231111 V06  0.2+  0.0
151214 K51  0.1-  0.4-    151217 204  0.1+  0.1+    231111 V06  0.7-  0.2-
151214 K51  0.0   0.1-    151217 I52  0.3-  0.4+    231112 V06  0.2+  0.2+
151214 K51  0.3+  0.3+    151217 I52  0.7-  0.5+    231112 V06  0.2-  0.1+
151214 I93  0.3+  0.6-    151217 I52  0.2+  0.4+    231112 V06  0.1+  0.1-
151214 I93  0.2-  0.7-    151217 I52  0.0   0.1-
151215 J22  0.1-  0.1+    151217 926  0.0   0.2-

Ephemeris:
2015 XQ378               a,e,i = 0.93, 0.32, 10                  q = 0.6282
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 10 14    04 45 15.6 +45 53 04   0.3613  1.2236   121.0    44.3    24.0
...
2023 10 29    04 11 17.7 +45 36 50   0.2908  1.2272   138.8    32.3    23.2
...
2023 11 06    03 38 55.7 +43 39 02   0.2606  1.2233   149.6    24.2    22.7
...
2023 11 12    03 10 18.0 +40 47 13   0.2438  1.2177   156.7    18.8    22.4
2023 11 13    03 05 24.1 +40 10 48   0.2416  1.2165   157.5    18.1    22.4
2023 11 14    03 00 30.6 +39 32 11   0.2395  1.2153   158.3    17.5    22.3
...
2023 11 20    02 32 13.8 +34 58 49   0.2314  1.2067   158.6    17.4    22.2
...
2023 11 28    02 00 43.2 +27 42 15   0.2315  1.1916   149.3    25.0    22.4
...
2023 12 13    01 26 56.6 +14 42 20   0.2585  1.1525   125.0    44.4    23.2

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-V231




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