[Iaude] MPEC X104: 2023 XH2 [a=0.98,e=0.34,i=2.7,H=26.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Dec 6 08:22:53 EST 2023


M.P.E.C. 2023-X104                             Issued 2023 December 6, 13:21 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 XH2                                    


Observations:
     K23X02H  C2023 12 05.40051004 47 05.165+23 13 37.42         19.4 GVEX104U68
     K23X02H  C2023 12 05.40385104 47 02.521+23 13 46.83         19.4 GVEX104U68
     K23X02H* C2023 12 05.41221504 46 55.856+23 14 11.48         19.5 GVEX104U74
     K23X02H  C2023 12 05.41464004 46 53.906+23 14 19.35         19.5 GVEX104U68
     K23X02H  C2023 12 05.41613504 46 52.723+23 14 23.14         19.5 GVEX104U74
     K23X02H  C2023 12 05.41798104 46 51.192+23 14 28.59         19.5 GVEX104U68
     K23X02H  C2023 12 05.43653804 46 36.440+23 15 22.36         19.4 GVEX104U74
     K23X02H  C2023 12 05.44045804 46 33.313+23 15 32.90         19.4 GVEX104U74
     K23X02H  C2023 12 05.44582504 46 29.046+23 15 49.16         19.2 GVEX104U74
     K23X02H  C2023 12 05.44748104 46 25.438+23 15 52.37         19.6 GVEX104H01
     K23X02H  C2023 12 05.44974504 46 25.855+23 16 00.22         19.2 GVEX104U74
     K23X02H  C2023 12 05.45238104 46 21.583+23 16 06.00         19.7 GVEX104H01
     K23X02H  C2023 12 05.46197404 46 14.088+23 16 32.75         19.7 GVEX104H01
     K23X02H  C2023 12 05.46865604 46 08.864+23 16 51.07         19.5 GVEX104H01
     K23X02H  C2023 12 05.49446004 45 50.445+23 18 07.05         19.6 GVEX104U74
     K23X02H  C2023 12 05.49838004 45 47.338+23 18 16.79         19.6 GVEX104U74
     K23X02H  C2023 12 05.50274304 45 43.970+23 18 29.47         19.4 GVEX104U74
     K23X02H  C2023 12 05.50666304 45 40.949+23 18 41.04         19.4 GVEX104U74
     K23X02H  C2023 12 05.51107204 45 37.394+23 18 52.33         19.5 GVEX104U74
     K23X02H  C2023 12 05.51499204 45 34.339+23 19 04.00         19.5 GVEX104U74
     K23X02H KB2023 12 06.07123204 38 04.91 +23 51 09.2          19.0 GXEX104958
     K23X02H KB2023 12 06.07651204 37 59.86 +23 51 25.5          19.2 GXEX104958
     K23X02H KB2023 12 06.08179604 37 54.56 +23 51 44.7                XEX104958
     K23X02H KB2023 12 06.17514 04 36 43.79 +23 57 55.5          19.0 GVEX104734
     K23X02H KB2023 12 06.17917 04 36 39.73 +23 58 11.3          19.3 GVEX104734
     K23X02H KB2023 12 06.18319 04 36 35.67 +23 58 27.5          19.1 GVEX104734
     K23X02H KB2023 12 06.18712 04 36 31.68 +23 58 43.4          19.0 GVEX104734
     K23X02H mC2023 12 06.32679804 34 09.246+24 08 09.89         19.55GVEX104I52
     K23X02H mC2023 12 06.32698004 34 09.073+24 08 10.39         19.34GVEX104I52
     K23X02H mC2023 12 06.32716904 34 08.864+24 08 11.26         19.29GVEX104I52

Observer details:
734 Farpoint Observatory, Eskridge.  Observers D. Cromer, G. Hug, D. Goodin,
    R. Valentine.  Measurer D. Cromer.  0.69-m f/3.54 reflector + CMO.
958 Observatoire de Dax.  Observer P. Dupouy.  0.50-m f/4.5 Reflector + CMO.
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 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.
U68 JPL SynTrack Robotic Telescope, Auberry.  Observers N. Saini, C. Zhai, R.
    Trahan, M. Zhan, M. Shao.  0.28-m Reflector + CCD.
U74 JPL SynTrack Robotic Telescope 2, Auberry.  Observers N. Saini, C. Zhai,
    R. Trahan, M. Zhan, M. Shao.  0.36-m Reflector + CCD.

Orbital elements:
2023 XH2                                                 Earth MOID = 0.0053 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 198.26000              (2000.0)            P               Q                  
n   1.01140413     Peri.  117.17277     -0.98610500     +0.15997955             
a   0.9829232      Node    72.06086     -0.16414709     -0.89690426             
e   0.3444123      Incl.    2.69661     -0.02554715     -0.41227333             
P   0.97           H   26.59          G   0.15           U   8                  
Residuals in seconds of arc
231205 U68  0.4-  0.1+    231205 U74  0.5-  0.2+    231206 958  1.3-  0.1-
231205 U68  0.0   0.4-    231205 H01  0.0   0.1-    231206 958  0.3-  1.9-
231205 U74  0.3+  0.2-    231205 H01  0.1+  0.1+    231206 958  2.7-  0.7-
231205 U68  0.1+  0.6+    231205 H01  0.0   0.1-    231206 734  0.0   0.2+
231205 U74  0.3+  0.0     231205 U74  0.5-  0.5+    231206 734  0.1+  0.0
231205 U68  0.5-  0.1+    231205 U74  0.8-  0.7-    231206 734  0.1+  0.2+
231205 U74  0.3+  0.2+    231205 U74  0.1+  0.2-    231206 734  0.0   0.5+
231205 U74  0.3+  0.5-    231205 U74  0.9+  0.4+    231206 I52  0.3-  0.1+
231205 U74  0.4+  0.3+    231205 U74  0.5-  0.6-    231206 I52  0.1+  0.1-
231205 H01  0.1+  0.1-    231205 U74  0.3-  0.1+    231206 I52  0.0   0.0

Ephemeris:
2023 XH2                 a,e,i = 0.98, 0.34, 3                   q = 0.6444
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 06    05 37 12.5 +18 10 49   0.2266  1.1701   138.2    34.4    25.1
...
2023 11 21    05 37 39.2 +18 47 55   0.1253  1.1012   153.0    24.0    23.4
...
2023 11 29    05 25 24.4 +20 05 00   0.07577 1.0595   164.0    14.9    21.9
...
2023 12 05    04 51 44.6 +22 54 27   0.04074 1.0263   177.9     2.0    19.9
2023 12 06    04 39 15.2 +23 48 22   0.03518 1.0206   177.7     2.3    19.6
2023 12 07    04 21 52.8 +24 55 49   0.02977 1.0148   172.8     7.0    19.5
...
2023 12 13    21 29 44.4 +10 16 52   0.01518 0.9795    70.0   109.2    21.6
...
2023 12 21    18 51 18.5 -10 51 29   0.05651 0.9304    18.6   160.2    31.2
...
2024 01 05    18 20 24.6 -15 13 44   0.1516  0.8356    12.0   165.9

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-X104




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