[Iaude] MPEC Y36: 2023 XD18 [a=2.62,e=0.65,i=3.0,H=26.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Dec 17 19:26:16 EST 2023


M.P.E.C. 2023-Y36                             Issued 2023 December 18, 00:24 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

                                   2023 XD18                                    


Observations:
     K23X18D  C2023 12 09.44957103 29 05.157+23 32 58.24         22.49GVEY036F52
     K23X18D  C2023 12 09.46259903 29 05.434+23 32 42.14         21.89GVEY036F52
     K23X18D  C2023 12 09.47563003 29 05.746+23 32 26.29         22.24GVEY036F52
     K23X18D*1C2023 12 15.20742203 39 34.510+20 34 18.37         20.97GVEY036G96
     K23X18D 1C2023 12 15.21256803 39 35.251+20 34 02.53         21.39GVEY036G96
     K23X18D 1C2023 12 15.21770203 39 35.968+20 33 46.62         20.52GVEY036G96
     K23X18D KC2023 12 15.31017903 39 48.676+20 28 51.89         22.35GVEY036I52
     K23X18D KC2023 12 15.31173803 39 48.899+20 28 46.67         21.55GVEY036I52
     K23X18D KC2023 12 15.31329403 39 49.064+20 28 41.92         20.89GVEY036I52
     K23X18D KC2023 12 15.31484703 39 49.352+20 28 36.66         22.36GVEY036I52
     K23X18D  C2023 12 16.23398003 43 27.387+19 34 55.28         21.59wXEY036F52
     K23X18D  C2023 12 16.24572703 43 29.674+19 34 11.33         21.21wXEY036F52
     K23X18D  C2023 12 16.25747503 43 31.947+19 33 27.67         21.14wXEY036F52
     K23X18D  C2023 12 16.26918103 43 34.186+19 32 43.03         21.28wXEY036F52
     K23X18D KC2023 12 17.06506403 47 22.643+18 32 50.42         20.77GVEY036I52
     K23X18D KC2023 12 17.06756003 47 23.320+18 32 39.08         20.58GVEY036I52
     K23X18D KC2023 12 17.07004703 47 24.032+18 32 27.38         21.10GVEY036I52
     K23X18D KC2023 12 17.07254703 47 24.684+18 32 15.65         20.69GVEY036I52
     K23X18D KC2023 12 17.77079303 51 25.83 +17 27 31.2          20.6 GVEY036L01
     K23X18D pC2023 12 17.77227103 51 26.38 +17 27 22.4          20.3 GVEY036L01
     K23X18D pC2023 12 17.77374903 51 26.93 +17 27 13.2          20.8 GVEY036L01
     K23X18D KB2023 12 17.96403403 52 33.14 +17 07 23.2          20.1 GXEY036958
     K23X18D KB2023 12 17.96892503 52 34.77 +17 06 52.5          20.1 GXEY036958
     K23X18D KB2023 12 17.97381703 52 36.40 +17 06 19.2          20.1 GXEY036958

Observer details:
958 Observatoire de Dax.  Observer P. Dupouy.  0.50-m f/4.5 Reflector + CMO.
F52 Pan-STARRS 2, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
    Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
    Weryk.  1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer J. K. Hogan.  Measurers 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, D. Rankin, R. L.
    Seaman, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers K. W. Wierzchos, G. J.
    Leonard.  Measurers 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, D. Rankin, R. L. Seaman, F. C. Shelly, K. W.
    Wierzchos.  1.0-m prime focus + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
2023 XD18                                                Earth MOID = 0.0089 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 330.78264              (2000.0)            P               Q                  
n   0.23257884     Peri.  221.54907     -0.55603332     -0.82951319             
a   2.6187211      Node   262.29600     +0.77582070     -0.49540942             
e   0.6455994      Incl.    3.02500     +0.29820998     -0.25783204             
P   4.24           H   26.65          G   0.15           U   7                  
Residuals in seconds of arc
231209 F52  0.0   0.1-    231215 I52  0.8-  0.3+    231217 I52  0.2+  0.0
231209 F52  0.0   0.1-    231215 I52  0.1+  0.2+    231217 I52  0.3-  0.0
231209 F52  0.1+  0.4+    231216 F52  0.0   0.1+    231217 L01  0.5-  0.2+
231215 G96  0.6-  0.0     231216 F52  0.2-  0.1-    231217 L01  0.2+  0.2+
231215 G96  0.1+  0.2-    231216 F52  0.1-  0.3+    231217 L01  1.0+  0.2-
231215 G96  0.5+  0.3-    231216 F52  0.0   0.0     231217 958  1.3+  0.5-
231215 I52  0.1+  0.1-    231217 I52  0.0   0.2-    231217 958  0.7+  1.1+
231215 I52  0.1+  0.1-    231217 I52  0.2-  0.1+    231217 958  0.2+  0.3+

Ephemeris:
2023 XD18                a,e,i = 2.62, 0.65, 3                   q = 0.9281
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 18    03 26 48.4 +25 52 02   0.2496  1.2369   173.1     5.5    24.5
...
2023 12 03    03 25 59.3 +24 54 18   0.1366  1.1178   164.1    14.0    23.4
...
2023 12 11    03 30 49.8 +23 00 41   0.08276 1.0617   157.4    20.9    22.4
...
2023 12 17    03 46 51.9 +18 39 26   0.04438 1.0243   154.2    24.7    21.1
2023 12 18    03 52 50.4 +17 05 17   0.03817 1.0185   154.1    25.0    20.8
2023 12 19    04 01 03.4 +14 54 15   0.03204 1.0129   154.2    25.0    20.4
...
2023 12 25    10 54 41.3 -49 01 27   0.01254 0.9823    84.1    95.2    20.5
...
2024 01 02    14 34 18.6 -33 39 33   0.05930 0.9512    55.7   121.3    25.4
...
2024 01 17    15 05 29.2 -30 04 04   0.1532  0.9276    64.3   107.1    26.4

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-Y36




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