[Iaude] MPEC U226: 2004 HA39 [a=2.15,e=0.54,i=36.2,H=20.96]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Oct 24 10:19:46 EDT 2023


M.P.E.C. 2023-U226                             Issued 2023 October 24, 14:18 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

                                   2004 HA39                                    


                           Revision to MPEC 2004-H73                            

Additional Observations:
     K04H39A KC2023 10 22.20262601 30 36.968+06 36 23.72         22.35GVEU226V06
     K04H39A KC2023 10 22.21501501 30 35.960+06 36 01.26         22.78GVEU226V06
     K04H39A KC2023 10 22.22740701 30 35.006+06 35 38.80         23.03GVEU226V06
     K04H39A KC2023 10 23.16536501 29 24.440+06 07 12.90         22.68GVEU226V06
     K04H39A KC2023 10 23.17965701 29 23.350+06 06 47.40         22.50GVEU226V06
     K04H39A KC2023 10 23.19395001 29 22.240+06 06 21.80         22.74GVEU226V06

Observer details:
V06 Catalina Sky Survey-Kuiper.  Observer J. B. Fazekas.  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.  1.55-m reflector +
    1K CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
231022 V06  5.0-  0.9-    231023 V06  5.2-  1.4-    MPO750185   -0.00 days

Orbital elements:
2004 HA39                                                Earth MOID = 0.2093 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M  38.55136              (2000.0)            P               Q                  
n   0.31289895     Peri.   67.36597     -0.04847504     +0.96949955             
a   2.1488197      Node   204.00841     -0.98475022     -0.00615202             
e   0.5379876      Incl.   36.19152     +0.16708436     +0.24501589             
P   3.15           H   20.96          G   0.15           U   1                  
Residuals in seconds of arc
040425 703  0.1+  3.0-    040425 611  0.2+  0.2-    040507 J95  1.2-  0.1-
040425 703  0.7-  2.6-    040425 587  0.1-  0.1+    040507 926  0.6+  0.8-
040425 703  1.8-  1.6-    040425 587  0.4+  1.4+    040507 926  0.1-  0.1-
040425 703  1.2-  1.8-    040425 952  0.1-  0.1+    040507 926  0.1+  0.8-
040425 703  0.0   0.1-    040425 587  1.1-  1.7+    040524 696  1.2-  1.7-
040425 703  0.6-  0.4+    040426 673  0.1-  2.0+    040524 696  0.2+  0.1+
040425 703  0.2-  0.9+    040426 673  0.2-  0.9-    040524 696  0.3+  0.4-
040425 703  0.7-  0.5-    040426 673  0.3-  0.8+    040526 J50  0.4+  0.6+
040425 151  1.0+  0.3+    040426 673  0.6-  0.0     040526 J50  0.1+  0.6+
040425 151  0.5+  0.2+    040427 704  1.1+  0.6+    040526 J50  0.1+  0.5+
040425 151  0.2+  0.4+    040427 704  0.1+  0.1-    040526 J50  0.1+  0.7+
040425 151  0.2-  0.0     040427 704  0.2-  0.3+    040916 J50  0.0   0.3+
040425 952  0.1+  0.4+    040427 704  0.7-  0.1+    040916 J50  0.1-  0.3+
040425 952  0.2+  0.2+    040501 926 (3.2-  2.3+)   040916 J50  0.1-  0.1+
040425 952  0.0   0.4-    040501 926 (2.1-  3.0+)   040916 J50  0.3-  0.3+
040425 952  0.1+  0.0     040501 926 (1.2-  3.7+)   231022 V06  0.2+  0.3-
040425 611  0.0   1.4-    040502 448  0.2+  0.6-    231022 V06  0.2-  0.0
040425 952  0.0   0.1+    040502 448  0.2+  0.2+    231022 V06  0.2+  0.2+
040425 952  0.2-  0.0     040502 448  0.2+  0.5+    231023 V06  0.1-  0.1-
040425 611  0.1-  0.3-    040506 J95  0.7-  0.1+    231023 V06  0.1+  0.1+
040425 611  0.0   1.1-    040506 J95  0.0   0.1-    231023 V06  0.0   0.2+

Ephemeris:
2004 HA39                a,e,i = 2.15, 0.54, 36                  q = 0.9928
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 24    02 11 08.4 +22 46 39   0.8787  1.7756   141.2    20.7    22.9
...
2023 10 09    01 49 16.1 +13 59 48   0.9005  1.8825   164.6     8.1    22.7
...
2023 10 17    01 37 34.4 +09 22 53   0.9419  1.9381   176.9     1.6    22.5
...
2023 10 23    01 29 36.5 +06 12 17   0.9873  1.9791   173.3     3.3    22.7
2023 10 24    01 28 22.5 +05 42 27   0.9960  1.9858   171.9     4.1    22.8
2023 10 25    01 27 10.4 +05 13 14   1.0050  1.9926   170.4     4.8    22.9
...
2023 10 31    01 20 38.0 +02 31 29   1.0658  2.0328   161.8     8.8    23.2
...
2023 11 08    01 13 51.6 -00 26 17   1.1627  2.0853   150.9    13.3    23.7
...
2023 11 23    01 07 21.0 -04 08 11   1.3847  2.1807   132.9    19.4    24.3

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-U226




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