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  • MPEC 2024-D84 : 2004 EH1

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    M.P.E.C. 2024-D84                             Issued 2024 February 20, 14:09 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
    
                                    2004 EH1                                 
    
    
                               Revision to MPEC 2004-E46                            
    
    Additional Observations:
         K04E01H  C2024 02 10.47940512 17 13.157+10 41 39.69         21.73wXED084F52
         K04E01H  C2024 02 10.49113712 17 14.612+10 41 27.86         22.18wXED084F52
         K04E01H  C2024 02 10.50279212 17 16.057+10 41 15.75         21.69wXED084F52
         K04E01H  C2024 02 10.51449312 17 17.503+10 41 03.84         21.74wXED084F52
         K04E01H KB2024 02 19.15587 12 38 44.02 +07 32 28.2                VED084204
         K04E01H HB2024 02 19.18876 12 38 49.38 +07 31 33.6          21   GVED084204
         K04E01H 1C2024 02 19.42813212 39 31.201+07 25 00.23         20.76GVED084G96
         K04E01H 1C2024 02 19.43333112 39 32.036+07 24 51.08         20.39GVED084G96
         K04E01H 1C2024 02 19.43853512 39 32.864+07 24 43.13         20.64GVED084G96
         K04E01H 1C2024 02 19.44373912 39 33.714+07 24 34.06         20.59GVED084G96
         K04E01H  C2024 02 19.46081112 39 36.370+07 24 04.42         20.5 GVED084H01
         K04E01H  C2024 02 19.46479912 39 37.016+07 23 57.66         20.5 GVED084H01
         K04E01H  C2024 02 19.47367212 39 38.452+07 23 42.69         20.5 GVED084H01
         K04E01H  C2024 02 19.48193912 39 39.799+07 23 28.66         20.3 GVED084H01
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
        CMO.
    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.
    G96 Mt. Lemmon Survey.  Observers T. Beuden, G. J. Leonard.  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.  1.5-m
        reflector + 10K 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.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
    240210 F52   16-   10-    240219 H01   21-   13-    E2024-AF1   -6.61 days
    
    Orbital elements:
    2004 EH1                                                 Earth MOID = 0.0340 AU
    Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
    M 351.83543              (2000.0)            P               Q                  
    n   0.34598365     Peri.  231.99266     -0.65893686     +0.75216184             
    a   2.0095508      Node   356.75929     -0.64257227     -0.56799073             
    e   0.5338580      Incl.    7.52311     -0.39102825     -0.33412436             
    P   2.85           H   22.26          G   0.15           U   0                  
    Residuals in seconds of arc
    040314 703  1.4+  0.5+    040316 704  0.1+  0.2+    040328 246  0.1-  1.7+
    040314 703  0.2+  1.7+    040316 704  0.4+  0.3+    040328 246  1.3+  0.5+
    040314 703  0.5-  0.0     040316 704  0.1+  0.0     040329 926  0.4-  0.3+
    040314 703  0.5-  0.0     040317 448  0.3+  0.2-    040329 926  0.1+  0.2+
    040314 704  0.3+  0.7+    040317 448  0.4+  0.1-    040329 926  1.0-  0.2-
    040314 704  1.3+  0.3-    040317 448  0.1-  0.0     040329 413  0.4+  0.5-
    040314 704  1.7+  0.1+    040317 246  0.5+  0.1+    040329 413  0.3-  0.1+
    040314 703  0.8-  0.1+    040317 246  0.7+  0.1-    040330 J95 (1.3+  1.5+)
    040314 703  0.8-  0.1-    040317 246  0.6+  0.5-    040330 J95  0.6+  1.2+
    040314 703  0.4-  0.2+    040317 246  0.4+  0.1+    040330 J95  0.4-  0.8+
    040314 703  0.7-  0.3-    040317 246  0.2+  0.3+    040401 413  0.2+  0.4-
    040314 703  0.4-  0.3+    040317 246  0.4+  0.4-    040401 413  0.3+  0.2-
    040314 703  1.0-  0.1-    040318 691  0.1-  0.2-    040401 413  0.1-  0.2-
    040314 703  0.6-  1.4-    040318 691  0.0   0.2-    040401 413  0.1+  0.2+
    040314 703  1.2-  1.4+    040318 691  0.3+  0.0     040401 413  0.1-  0.1+
    040314 246  0.4+  0.1-    040319 644  0.0   0.1-    040402 413  0.0   0.2-
    040314 246  0.9-  0.2-    040319 644  0.3-  0.1+    040402 413  0.4+  0.1+
    040314 246  0.6+  0.0     040319 704  0.1+  0.5+    040402 413  0.1-  0.1+
    040314 246  0.6+  0.0     040319 704  0.3+  0.8-    040406 413  0.2+  0.2+
    040314 938  0.6-  0.5+    040319 644  0.4+  0.3+    040406 413  0.1+  0.0
    040314 151  0.2-  0.0     040319 704  0.3-  0.7-    040406 413  0.3+  0.2+
    040314 151  0.4-  0.2+    040319 704  0.0   0.5+    040407 413  0.1+  0.1-
    040314 151  0.2-  0.5+    040319 704  0.2+  0.4+    040407 413  0.2-  0.4-
    040314 151  0.0   0.4+    040320 691  0.2-  0.1-    040407 413  0.1+  0.2-
    040314 938  0.2+  0.2-    040320 691 (0.8-  0.4+)   040408 413  0.0   0.2-
    040315 704  0.3+  0.1-    040320 691  0.3-  0.5-    040408 413  0.1+  0.1+
    040315 704  0.2+  0.1-    040321 H36 (0.9+  1.7+)   040408 413  0.1+  0.1-
    040315 854  0.1-  0.0     040321 H36 (2.5+  1.7+)   040409 413  0.1+  0.2-
    040315 854  0.5+  0.3-    040321 H36 (2.7-  2.4-)   040409 413  0.1-  0.0
    040315 704  0.3+  0.0     040321 H36 (1.1+  2.2+)   040409 413  0.1-  0.0
    040315 854  0.1+  0.0     040323 704  0.1-  0.2+    040409 413  0.1-  0.3-
    040315 704  0.3+  0.4-    040323 704  0.4+  0.1+    240210 F52  0.2-  0.1-
    040315 704  0.5+  0.4-    040323 704  0.4+  0.4+    240210 F52  0.1-  0.1+
    040315 673  0.1-  0.3+    040323 704  0.9+  0.7+    240210 F52  0.0   0.1-
    040315 673  0.3-  0.1-    040323 704  0.2+  0.3-    240210 F52  0.0   0.0
    040315 673  0.0   0.2+    040323 649  0.5-  0.1+    240219 204  0.1-  0.2+
    040315 673  0.3-  0.1+    040323 649  0.1-  0.0     240219 204  0.0   0.4+
    040315 938  0.7-  0.8+    040323 649  0.3-  0.0     240219 G96  0.2+  0.1-
    040315 938 (2.3-  0.7+)   040323 649  0.2-  0.1+    240219 G96  0.1+  0.5-
    040315 938 (2.3-  0.9+)   040325 170  0.4+  0.0     240219 G96  0.1-  0.3+
    040316 691  0.5-  0.1-    040325 170  0.3+  0.3+    240219 G96  0.1+  0.0
    040316 691  0.1-  0.2-    040325 170  0.4+  0.2+    240219 H01  0.0   0.0
    040316 691  0.3+  0.1-    040328 246  0.6+  0.6+    240219 H01  0.0   0.0
    040316 704  0.8+  0.3+    040328 246  0.2+  0.0     240219 H01  0.0   0.0
    040316 704  0.2+  0.5+    040328 246  1.0+  0.6-    240219 H01  0.0   0.0
    
    Ephemeris:
    2004 EH1                 a,e,i = 2.01, 0.53, 8                   q = 0.9367
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2024 01 21    11 38 21.1 +14 43 41   0.6042  1.4482   130.0    31.4    23.3
    ...
    2024 02 05    12 05 46.1 +12 05 07   0.4284  1.3337   137.5    29.9    22.3
    ...
    2024 02 13    12 22 55.6 +09 55 36   0.3454  1.2735   140.7    29.4    21.8
    ...
    2024 02 19    12 38 18.0 +07 37 05   0.2883  1.2294   142.4    29.4    21.3
    2024 02 20    12 41 10.7 +07 08 57   0.2793  1.2221   142.6    29.5    21.2
    2024 02 21    12 44 10.2 +06 39 02   0.2703  1.2149   142.7    29.5    21.1
    ...
    2024 02 27    13 05 10.1 +02 52 44   0.2197  1.1724   142.7    30.8    20.6
    ...
    2024 03 06    13 46 27.7 -05 21 26   0.1617  1.1186   138.7    35.9    20.0
    ...
    2024 03 21    16 48 00.6 -34 21 27   0.1096  1.0305   105.3    68.8    19.9
    
    A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-D84
    


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