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  • MPEC 2024-E69 : 2024 ER1

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    M.P.E.C. 2024-E69                                 Issued 2024 March 5, 23:35 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
    
                                    2024 ER1                                 
    
    
    Observations:
         K24E01R* C2024 03 02.52180312 03 06.023+00 54 34.79         21.65wXEE069F51
         K24E01R  C2024 03 02.54655812 03 02.267+00 53 20.45         21.47wXEE069F51
         K24E01R  C2024 03 02.55892212 03 00.383+00 52 43.34         21.22wXEE069F51
         K24E01R  C2024 03 02.61398112 02 52.126+00 49 58.98         20.88GVEE069F52
         K24E01R  C2024 03 02.61462912 02 52.029+00 49 57.07         21.36GVEE069F52
         K24E01R KC2024 03 03.46268412 00 53.230+00 07 34.40         21.40GVEE069I52
         K24E01R KC2024 03 03.46584012 00 52.670+00 07 24.60         22.07GVEE069I52
         K24E01R KC2024 03 03.47064012 00 52.090+00 07 08.90         20.65GVEE069I52
         K24E01R |C2024 03 04.14139011 59 18.830-00 25 40.70         21.4 GVEE069807
         K24E01R |C2024 03 04.14690011 59 17.970-00 25 57.00         21.5 GVEE069807
         K24E01R |C2024 03 04.15240011 59 17.130-00 26 13.20         21.1 GVEE069807
         K24E01R KC2024 03 04.21629011 59 07.67 -00 30 03.1          21.3 GVEE069H21
         K24E01R KC2024 03 04.21905511 59 07.27 -00 30 11.3          21.2 GVEE069H21
         K24E01R KC2024 03 04.22470311 59 06.40 -00 30 28.4          21.2 GVEE069H21
         K24E01R KC2024 03 05.27526 11 56 34.12 -01 22 42.6          21.1 RVEE069691
         K24E01R KC2024 03 05.29748 11 56 30.63 -01 23 49.4                VEE069691
         K24E01R KC2024 03 05.31970 11 56 27.08 -01 24 55.7          21.1 RVEE069691
    
    Observer details:
    691 Steward Observatory, Kitt Peak-Spacewatch.  Observer J. V. Scotti.  0.9-m
        f/3 reflector + CCD.
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
        0.61-m f/6.8 Ritchey-Chretien + CCD.
    F51 Pan-STARRS 1, 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.
    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.
    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.  Observers T. Beuden, J. K.
        Hogan.  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.  1.0-m prime focus + CCD.
    
    Orbital elements:
    2024 ER1                                                 Earth MOID = 0.2440 AU
    Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
    M  27.46419              (2000.0)            P               Q                  
    n   0.51799813     Peri.  159.70852     -0.83571006     -0.54576284             
    a   1.5355027      Node   346.68405     +0.46014981     -0.63518026             
    e   0.2012968      Incl.   15.38038     +0.29975131     -0.54652444             
    P   1.90           H   23.23          G   0.15           U   8                  
    Residuals in seconds of arc
    240302 F51  0.1+  0.1+    240303 I52 (1.7-  0.2-)   240304 H21  0.2+  0.1+
    240302 F51  0.1+  0.2-    240303 I52 (0.4+  1.5-)   240304 H21  0.2+  0.1-
    240302 F51  0.1-  0.3-    240304 807  0.0   0.3-    240305 691  0.8-  0.7-
    240302 F52  0.0   0.0     240304 807  0.2-  0.2-    240305 691  0.6-  1.2-
    240302 F52  0.0   0.1+    240304 807  0.1-  0.1+    240305 691  1.2-  1.2-
    240303 I52  0.5-  0.2+    240304 H21  0.2-  0.0
    
    Ephemeris:
    2024 ER1                 a,e,i = 1.54, 0.20, 15                  q = 1.2264
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2024 02 04    12 37 34.5 +20 09 34   0.3325  1.2266   130.1    37.9    22.8
    ...
    2024 02 19    12 26 46.2 +10 48 15   0.2796  1.2293   145.6    27.0    22.1
    ...
    2024 02 27    12 12 58.5 +04 37 59   0.2625  1.2343   155.8    19.2    21.8
    ...
    2024 03 04    11 59 38.0 -00 18 52   0.2564  1.2396   163.5    13.1    21.5
    2024 03 05    11 57 13.5 -01 08 40   0.2560  1.2406   164.7    12.2    21.5
    2024 03 06    11 54 46.8 -01 58 18   0.2558  1.2417   165.8    11.3    21.4
    ...
    2024 03 12    11 39 37.4 -06 47 53   0.2585  1.2488   169.5     8.3    21.4
    ...
    2024 03 20    11 19 58.5 -12 29 49   0.2724  1.2601   164.2    12.5    21.7
    ...
    2024 04 04    10 53 09.7 -19 54 59   0.3253  1.2866   147.6    24.6    22.5
    
    M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-E69
    


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