[Iaude] MPEC L48: 2023 HC3 [a=0.95,e=0.25,i=3.8,H=23.94]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Tue Jun 4 10:16:17 EDT 2024


M.P.E.C. 2024-L48                                  Issued 2024 June 4, 14:14 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 HC3                                    


                           Revision to MPEC 2023-H138                           

Additional Observations:
     K23H03C KC2024 05 31.41197519 34 14.020-17 20 39.80         21.97GVEL048V06
     K23H03C KC2024 05 31.41917619 34 13.210-17 20 34.10         22.26GVEL048V06
     K23H03C KC2024 05 31.42637419 34 12.360-17 20 28.80         21.97GVEL048V06
     K23H03C KC2024 05 31.43354619 34 11.540-17 20 21.90         22.66GVEL048V06
     K23H03C KC2024 05 31.44072419 34 10.740-17 20 15.60         22.66GVEL048V06
     K23H03C KC2024 06 02.44568219 30 34.082-16 51 24.52               VEL048V06
     K23H03C KC2024 06 02.45125519 30 33.352-16 51 19.66         22.3 GVEL048V06
     K23H03C KC2024 06 02.45682819 30 32.623-16 51 14.43         22.5 GVEL048V06

Observer details:
V06 Catalina Sky Survey-Kuiper.  Observers V. F. Carvajal, K. W. Wierzchos.
    Measurers T. Beuden, V. F. Carvajal, 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, D. Parrott.  1.55-m reflector + 1K CCD, 1.55-m f/6.3 reflector
    + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
240531 V06 12.1-  1.3-    240602 V06 12.9-  1.4-    E2024-G17   -0.00 days

Orbital elements:
2023 HC3                                                 Earth MOID = 0.0501 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M 110.18021              (2000.0)            P               Q                  
n   1.06295899     Peri.  194.98741     +0.17025461     -0.98351975             
a   0.9508785      Node   245.24066     +0.91083986     +0.18063383             
e   0.2507270      Incl.    3.84203     +0.37601078     +0.00776647             
P   0.93           H   23.94          G   0.15           U   3                  
Residuals in seconds of arc
230420 W94  0.3+  0.1+    230424 807  0.0   0.2-    230507 695  0.0   0.2+
230420 W94  0.1+  0.3+    230424 807  0.0   0.0     230507 695  0.1-  0.5+
230420 W94  0.4-  0.3+    230424 807  0.0   0.0     230507 695  0.0   0.3+
230420 X10  1.0-  2.9+    230424 I52  0.5+  0.2-    230509 807 (0.6-  0.7+)
230420 X10  0.6+  1.3+    230424 I52  1.3+  0.0     230509 807  0.3-  0.5+
230420 X10  0.5-  1.9-    230424 I52  0.2+  0.2+    230509 807  0.4-  0.1+
230420 M49  0.3-  0.3+    230424 I52  0.3-  0.2-    230509 691  0.4+  0.0
230420 M49  0.0   0.2-    230424 474  0.2-  0.0     230509 691  0.2+  0.4-
230420 M49  0.0   0.1+    230424 474  0.1-  0.0     230509 691  0.4+  0.1+
230420 M49  0.2+  0.1+    230424 474  0.1-  0.0     230514 291  0.4+  0.2-
230420 M49  0.0   0.1+    230424 474  0.0   0.3-    230514 291  0.1-  0.6-
230420 M49  0.2+  0.1-    230426 807  0.2+  0.3+    230514 291  0.1-  0.1-
230421 I52  0.4-  0.2-    230426 807  0.2+  0.0     230524 291  0.0   0.2+
230421 I52  0.1-  0.1+    230426 807  0.0   0.1-    230524 291  0.4+  0.1+
230421 I52  0.1+  0.1+    230427 807  0.1+  0.0     230524 291  0.2-  0.1-
230421 E23  0.1-  0.0     230427 807  0.1+  0.0     240531 V06  0.0   0.3+
230421 E23  0.2-  0.2+    230427 807  0.2+  0.3-    240531 V06  0.2+  0.1-
230421 E23  0.1-  0.5+    230428 691  0.1+  0.0     240531 V06  0.2-  0.9-
230422 474  0.3-  0.2+    230428 691  0.5+  1.2-    240531 V06  0.1-  0.1-
230422 474  0.1-  0.0     230428 691  0.5+  0.1+    240531 V06  0.2+  0.1+
230422 474  0.3-  0.1+    230429 691  0.4-  0.2-    240602 V06  0.0   0.0
230422 474  0.0   0.2-    230429 691  0.2-  0.2+    240602 V06  0.0   0.1-
230422 474  0.2+  0.1-    230429 691  0.2+  0.1+    240602 V06  0.0   0.2+

Ephemeris:
2023 HC3                 a,e,i = 0.95, 0.25, 4                   q = 0.7125
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 05 05    19 43 35.9 -22 38 55   0.3250  1.1647   110.9    54.0    23.8
...
2024 05 20    19 45 51.7 -19 49 30   0.2665  1.1828   124.3    44.9    23.2
...
2024 05 28    19 39 12.5 -18 07 18   0.2364  1.1877   133.2    38.5    22.7
...
2024 06 03    19 29 29.1 -16 42 46   0.2155  1.1892   140.8    32.6    22.4
2024 06 04    19 27 25.0 -16 27 54   0.2122  1.1893   142.2    31.5    22.3
2024 06 05    19 25 12.9 -16 12 47   0.2090  1.1893   143.6    30.4    22.2
...
2024 06 11    19 09 08.0 -14 36 37   0.1914  1.1882   152.3    23.4    21.8
...
2024 06 19    18 40 24.3 -12 13 26   0.1738  1.1839   163.7    13.9    21.3
...
2024 07 04    17 34 03.8 -07 30 15   0.1627  1.1668   155.6    21.1    21.4

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-L48





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