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    • MPEC 2023-H173 : 2023 HO4

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    M.P.E.C. 2023-H173                               Issued 2023 April 25, 11:46 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                2023 HO4                                 


Observations:
     K23H04O 1C2023 04 15.45259 16 51 13.88 +16 47 26.3          21.2 GVEH173G96
     K23H04O 1C2023 04 15.45770 16 51 14.23 +16 47 41.3          21.6 GVEH173G96
     K23H04O 1C2023 04 15.46282 16 51 14.60 +16 47 56.0          21.6 GVEH173G96
     K23H04O 1C2023 04 15.46794 16 51 15.03 +16 48 10.5          21.3 GVEH173G96
     K23H04O*1C2023 04 23.40996417 01 47.626+23 35 21.44         20.91GVEH173G96
     K23H04O 1C2023 04 23.41520917 01 47.935+23 35 38.29         20.75GVEH173G96
     K23H04O 1C2023 04 23.42047417 01 48.227+23 35 55.64         20.91GVEH173G96
     K23H04O KC2023 04 24.34286917 02 55.58 +24 26 10.8          20.9 VuEH173H21
     K23H04O KC2023 04 24.34566617 02 55.75 +24 26 19.8          20.8 VuEH173H21
     K23H04O KC2023 04 24.35125917 02 56.04 +24 26 38.6          21.2 VuEH173H21
     K23H04O KC2023 04 24.35694517 02 56.33 +24 26 57.4          21.4 VuEH173H21
     K23H04O KC2023 04 25.31480717 04 06.553+25 19 53.98         22.35GVEH173I52
     K23H04O KC2023 04 25.31898517 04 06.762+25 20 08.30         21.50GVEH173I52
     K23H04O KC2023 04 25.32106117 04 06.906+25 20 14.93         21.40GVEH173I52

Observer details:
G96 Mt. Lemmon Survey.  Observers J. K. Hogan, D. Rankin.  Measurers B. Gray,
    D. Rankin, F. C. Shelly, E. J. Christensen, 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, A. Serrano, K. W. Wierzchos.
    1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer A. Serrano.  Measurers
    E. J. Christensen, 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, A. Serrano, F. C. Shelly, K. W.
    Wierzchos.  1.0-m prime focus + CCD.

Orbital elements:
2023 HO4                                                 Earth MOID = 0.1070 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
M 184.55792              (2000.0)            P               Q                  
n   0.96221809     Peri.  208.32199     +0.98903215     +0.12641165             
a   1.0161404      Node   144.16119     -0.09841708     +0.94968639             
e   0.1720650      Incl.    7.49669     -0.11013392     +0.28655864             
P   1.02           H   22.93          G   0.15           U   7                  
Residuals in seconds of arc
230415 G96  0.2-  0.1-    230423 G96  0.1+  0.1-    230424 H21  0.4-  0.1-
230415 G96  0.3-  0.2+    230423 G96  0.0   0.1+    230425 I52  0.1+  0.2+
230415 G96  0.2-  0.1+    230424 H21  0.1+  0.2-    230425 I52  0.3-  0.3+
230415 G96  0.7+  0.1-    230424 H21  0.3+  0.5-    230425 I52  0.1+  0.1-
230423 G96  0.1-  0.2+    230424 H21  0.0   0.2-

Ephemeris:
2023 HO4                 a,e,i = 1.02, 0.17, 7                   q = 0.8413
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 03 26    16 16 59.3 +03 20 44   0.2922  1.1707   119.9    47.6    22.4
...
2023 04 10    16 43 02.7 +12 37 57   0.2350  1.1491   123.8    46.4    21.8
...
2023 04 18    16 54 47.5 +18 52 45   0.2096  1.1346   124.1    47.1    21.6
...
2023 04 24    17 02 30.3 +24 07 33   0.1931  1.1225   123.0    48.7    21.4
2023 04 25    17 03 42.2 +25 02 33   0.1905  1.1203   122.8    49.0    21.4
2023 04 26    17 04 52.8 +25 58 14   0.1880  1.1182   122.4    49.4    21.4
...
2023 05 02    17 11 30.5 +31 45 43   0.1742  1.1047   119.9    52.3    21.3
...
2023 05 10    17 19 30.7 +40 01 18   0.1587  1.0853   114.6    57.7    21.2
...
2023 05 25    17 34 58.7 +56 57 33   0.1366  1.0450   100.0    72.6    21.2

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-H173

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