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  • MPEC 2021-A116 : 2021 AW3

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    M.P.E.C. 2021-A116                             Issued 2021 January 10, 21:55 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  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
    
                                    2021 AW3                                 
    
    
    Observations:
         K21A03W  C2021 01 04.26275 05 55 47.41 +29 36 04.9          20.8 GVEA116G96
         K21A03W  C2021 01 04.26800 05 55 43.40 +29 35 38.9          19.8 GVEA116G96
         K21A03W* C2021 01 10.21571804 08 09.06 +12 56 11.3                VEA116G96
         K21A03W  C2021 01 10.22081204 08 01.08 +12 54 43.0          19.79GVEA116G96
         K21A03W  C2021 01 10.22591704 07 53.18 +12 53 14.1                VEA116G96
         K21A03W  C2021 01 10.23100804 07 45.38 +12 51 46.8          19.85GVEA116G96
         K21A03W KC2021 01 10.29267604 06 10.03 +12 33 50.5          20.02GVEA116I52
         K21A03W KC2021 01 10.29324204 06 09.16 +12 33 40.1          19.50GVEA116I52
         K21A03W KC2021 01 10.29381104 06 08.27 +12 33 30.6          19.92GVEA116I52
         K21A03W KC2021 01 10.29437704 06 07.41 +12 33 20.7          19.64GVEA116I52
         K21A03W 1C2021 01 10.69994 03 55 57.54 +10 31 01.4          19.8 VVEA116033
         K21A03W 1C2021 01 10.70058 03 55 56.50 +10 30 49.3          20.2 VVEA116033
         K21A03W 1C2021 01 10.70123 03 55 55.48 +10 30 37.4          20.4 VVEA116033
         K21A03W 1C2021 01 10.70208 03 55 54.13 +10 30 21.7          20.5 VVEA116033
         K21A03W bC2021 01 10.81442103 52 54.01 +09 55 38.1          19.9 GVEA116L01
         K21A03W KC2021 01 10.81446103 52 54.54 +09 55 36.3          19.4 GVEA116203
         K21A03W bC2021 01 10.81609103 52 51.28 +09 55 06.7          19.7 GVEA116L01
         K21A03W bC2021 01 10.81775903 52 48.55 +09 54 35.3          19.4 GVEA116L01
         K21A03W bC2021 01 10.81932103 52 46.05 +09 54 05.9          19.8 GVEA116L01
         K21A03W bC2021 01 10.82109803 52 43.16 +09 53 32.2          19.6 GVEA116L01
         K21A03W KC2021 01 10.83546503 52 20.50 +09 48 59.7          19.8 GVEA116203
         K21A03W KC2021 01 10.84382403 52 08.15 +09 46 24.0          19.5 GVEA116I93
         K21A03W KC2021 01 10.84533903 52 05.69 +09 45 55.6          19.3 GVEA116I93
         K21A03W KC2021 01 10.84685503 52 03.27 +09 45 26.3          19.5 GVEA116I93
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, U.
        Laux, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    203 GiaGa Observatory.  Observers S. Foglia, G. Galli.  Measurer G. Galli.
        0.36-m f/5.76 Schmidt-Cassegrain + CCD.
    G96 Mt. Lemmon Survey.  Observers G. J. Leonard, H. Groeller.  Measurers D.
        Rankin, B. Gray, F. C. Shelly, E. J. Christensen, G. A. Farneth, D. C.
        Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M.
        Larson, G. J. Leonard, T. A. Pruyne, R. L. Seaman, K. W. Wierzchos.  1.5-m
        reflector + 10K CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer T. A. Pruyne.
        Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
        Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
        Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m
        reflector + CCD.
    I93 St Pardon de Conques.  Observers F. Losse, W. D'Anna.  Measurer F. Losse.
        0.40-m f/3.7 reflector + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2021 AW3                                                 Earth MOID = 0.0209 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M 296.16627              (2000.0)            P               Q
    n   0.75094917     Peri.  286.40290     -0.83307281     +0.51909906
    a   1.1987511      Node   285.23153     -0.40105262     -0.80475329
    e   0.4998641      Incl.   11.42443     -0.38098096     -0.28793802
    P   1.31           H   24.4           G   0.15           U   8
    Residuals in seconds of arc
    210104 G96  0.2-  0.0     210110 I52  0.2-  0.2-    210110 L01  0.0   0.4+
    210104 G96  0.2+  0.1+    210110 I52  0.0   0.2-    210110 L01  0.5-  0.4+
    210110 G96  1.2+  0.6+    210110 033  0.1+  0.1-    210110 L01  0.0   0.5+
    210110 G96  0.4-  0.3+    210110 033  0.3-  0.4-    210110 L01  0.2-  0.3+
    210110 G96  0.5-  0.3-    210110 033  0.1-  0.3-    210110 203  0.2-  0.3-
    210110 G96  0.5+  0.5+    210110 033  0.1-  0.3-    210110 I93  0.0   0.0
    210110 I52  0.1-  0.3-    210110 L01  0.4+  0.3+    210110 I93  0.0   0.3+
    210110 I52  0.1-  0.7-    210110 203  0.2+  0.1-    210110 I93  0.6+  0.3-
    
    Ephemeris:
    2021 AW3                 a,e,i = 1.20, 0.50, 11                  q = 0.5995
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 12 11    07 33 55.0 +36 40 11   0.3256  1.2695   146.7    25.2    23.6
    ...
    2020 12 26    07 03 37.1 +35 27 56   0.1751  1.1531   164.5    13.2    21.7
    ...
    2021 01 03    06 10 00.6 +31 08 11   0.1056  1.0865   167.1    11.7    20.4
    ...
    2021 01 09    04 36 41.3 +18 10 52   0.06462 1.0347   141.4    36.4    20.0
    2021 01 10    04 13 30.9 +13 57 59   0.05994 1.0259   133.9    43.7    20.0
    2021 01 11    03 48 01.4 +08 58 23   0.05629 1.0171   125.4    52.0    20.1
    ...
    2021 01 17    00 59 02.7 -23 48 33   0.06239 0.9636    69.4   107.1    22.3
    ...
    2021 01 25    22 45 35.2 -37 10 15   0.1165  0.8913    34.8   140.9    26.5
    ...
    2021 02 09    21 25 05.4 -37 42 18   0.2549  0.7584    23.0   149.5    29.2
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-A116
    


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