[Iaude] MPEC Y49: 2023 XH18 [a=1.12,e=0.38,i=4.2,H=23.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 18 11:00:50 EST 2023


M.P.E.C. 2023-Y49                             Issued 2023 December 18, 15:57 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 XH18                                    


Observations:
     K23X18H* C2023 12 05.62646208 40 05.642+36 03 53.16         20.53wXEY049F51
     K23X18H  C2023 12 05.63354508 40 01.264+36 04 12.57         21.09wXEY049F51
     K23X18H  C2023 12 05.64280408 39 55.583+36 04 37.66         20.93wXEY049F51
     K23X18H  C2023 12 06.57969608 30 51.069+36 46 15.02         20.37GVEY049F52
     K23X18H  C2023 12 06.58051208 30 50.582+36 46 17.44         19.94GVEY049F52
     K23X18H  C2023 12 07.52123608 21 50.206+37 23 47.90         20.44GVEY049F52
     K23X18H  C2023 12 13.39062407 29 20.057+39 51 34.20         20.84GVEY049F52
     K23X18H  C2023 12 13.40220907 29 14.127+39 51 45.83         20.31GVEY049F52
     K23X18H  C2023 12 13.41380107 29 08.116+39 51 56.92         20.72GVEY049F52
     K23X18H  C2023 12 13.42541007 29 02.105+39 52 08.46         20.50GVEY049F52
     K23X18H  C2023 12 18.03048 06 54 16.56 +40 24 27.5          20.6 RoEY049K88
     K23X18H  C2023 12 18.03495 06 54 14.69 +40 24 27.8          20.5 RoEY049K88
     K23X18H KC2023 12 18.05869 06 54 04.39 +40 24 28.7          20.6 RoEY049K88
     K23X18H KC2023 12 18.06629 06 54 01.06 +40 24 28.5          20.5 RoEY049K88
     K23X18H KC2023 12 18.13384206 53 32.80 +40 24 30.6          21.3 GVEY049L01
     K23X18H IC2023 12 18.13636606 53 31.68 +40 24 30.4          21.3 GVEY049L01
     K23X18H IC2023 12 18.13889106 53 30.61 +40 24 29.9          21.0 GVEY049L01
     K23X18H IC2023 12 18.14339606 53 28.81 +40 24 29.3          20.9 GVEY049L01
     K23X18H KC2023 12 18.27748906 52 38.438+40 24 52.70         20.52GVEY049I52
     K23X18H KC2023 12 18.27853906 52 37.999+40 24 52.85         20.50GVEY049I52
     K23X18H KC2023 12 18.27958006 52 37.549+40 24 53.06         20.44GVEY049I52
     K23X18H KC2023 12 18.28062006 52 37.117+40 24 53.17         20.87GVEY049I52
     K23X18H  C2023 12 18.32865506 52 16.360+40 24 56.60         20.7 GVEY049H01
     K23X18H  C2023 12 18.33333906 52 14.373+40 24 56.84         20.7 GVEY049H01
     K23X18H  C2023 12 18.34439906 52 09.647+40 24 57.23         20.6 GVEY049H01
     K23X18H  C2023 12 18.35210606 52 06.352+40 24 57.43         20.7 GVEY049H01

Observer details:
F51 Pan-STARRS 1, 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.
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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.
    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.
K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
2023 XH18                                                Earth MOID = 0.0081 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 351.82762              (2000.0)            P               Q                  
n   0.82823847     Peri.  283.54067     +0.88951823     +0.45353273             
a   1.1229639      Node    49.51913     -0.38598913     +0.81076762             
e   0.3754887      Incl.    4.17426     -0.24447845     +0.37008638             
P   1.19           H   23.48          G   0.15           U   7                  
Residuals in seconds of arc
231205 F51  0.2-  0.1-    231213 F52  0.1+  0.2+    231218 I52  0.1-  0.1-
231205 F51  0.1-  0.1-    231218 K88  0.5+  0.1-    231218 I52  0.0   0.1-
231205 F51  0.5+  0.2-    231218 K88 (1.0+  0.1+)   231218 I52  0.1-  0.0
231206 F52  0.1-  0.0     231218 K88 (0.9-  0.4+)   231218 I52  0.1+  0.0
231206 F52  0.0   0.3+    231218 K88 (2.0-  0.1+)   231218 H01  0.2-  0.1+
231207 F52  0.0   0.1-    231218 L01  0.1+  0.2+    231218 H01  0.0   0.2+
231213 F52  0.1-  0.1-    231218 L01  0.5-  0.1+    231218 H01  0.1-  0.1+
231213 F52  0.4+  0.0     231218 L01  0.6-  0.2-    231218 H01  0.2-  0.1+
231213 F52  0.1+  0.2-    231218 L01  0.5+  0.6-

Ephemeris:
2023 XH18                a,e,i = 1.12, 0.38, 4                   q = 0.7013
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 18    11 25 33.6 +11 42 09   0.1096  0.9526    67.8   106.1    22.5
...
2023 12 03    09 06 00.9 +33 43 57   0.1197  1.0506   119.9    54.5    21.0
...
2023 12 11    07 49 44.0 +39 07 52   0.1425  1.1011   142.4    33.1    20.8
...
2023 12 17    07 01 29.4 +40 22 07   0.1669  1.1378   155.2    21.3    20.9
2023 12 18    06 54 30.0 +40 24 32   0.1715  1.1438   156.9    19.8    20.9
2023 12 19    06 47 49.7 +40 24 47   0.1763  1.1497   158.4    18.4    21.0
...
2023 12 25    06 14 17.4 +39 52 51   0.2083  1.1847   163.5    13.6    21.2
...
2024 01 02    05 44 45.2 +38 25 32   0.2586  1.2291   159.7    16.1    21.9
...
2024 01 17    05 21 27.6 +35 33 10   0.3740  1.3051   144.0    26.3    23.1

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-Y49




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