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  • MPEC 2021-G98 : 2021 GW3

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    M.P.E.C. 2021-G98                                 Issued 2021 April 8, 04:16 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 GW3                                 
    
    
    Observations:
         K21G03W* C2021 04 07.41448312 49 46.074-03 00 52.12         21.05wUEG098F51
         K21G03W  C2021 04 07.43889612 49 48.891-03 02 59.63         21.38wUEG098F51
         K21G03W  C2021 04 07.45109112 49 50.304-03 04 03.30         21.74wUEG098F51
         K21G03W KC2021 04 07.59328912 50 17.50 -03 11 24.9          21.2 GVEG098474
         K21G03W KC2021 04 07.59684612 50 18.00 -03 11 42.4          21.2 GVEG098474
         K21G03W KC2021 04 07.60004712 50 18.47 -03 11 57.9          21.2 GVEG098474
         K21G03W KC2021 04 07.93219812 51 30.77 -03 43 26.8          21.7 GVEG098L01
         K21G03W KC2021 04 07.93688212 51 31.28 -03 43 47.2          21.6 GVEG098L01
         K21G03W pC2021 04 07.94156612 51 31.80 -03 44 07.6          21.4 GVEG098L01
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
        Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
        Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
        Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
        R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2021 GW3                                                 Earth MOID = 0.0028 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
    M 325.66145              (2000.0)            P               Q                  
    n   0.65256852     Peri.   93.92750     -0.43557340     -0.90012999             
    a   1.3163922      Node    21.89785     +0.81884141     -0.39920094             
    e   0.4093460      Incl.    0.99345     +0.37386437     -0.17436916             
    P   1.51           H   28.39          G   0.15           U   8                  
    Residuals in seconds of arc
    210407 F51  0.1-  0.0+    210407 474  0.3-  0.1-    210407 L01  0.2+  0.2+
    210407 F51  0.0+  0.1+    210407 474  0.2-  0.1-    210407 L01  0.0+  0.0+
    210407 F51  0.2+  0.3-    210407 474  0.1+  0.1+    210407 L01  0.1+  0.1-
    
    Ephemeris:
    2021 GW3                 a,e,i = 1.32, 0.41, 1                   q = 0.7775
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 03 09    01 05 17.3 +10 30 00   0.1637  0.8564    30.9   143.5    31.5
    ...
    2021 03 24    01 18 05.7 +13 54 38   0.06050 0.9405    20.6   158.1    32.5
    ...
    2021 04 01    02 24 41.0 +34 22 11   0.01007 0.9913    38.4   141.3    25.4
    ...
    2021 04 07    12 48 05.0 -02 19 24   0.03005 1.0308   174.2     5.6    21.3
    2021 04 08    12 51 41.4 -03 45 11   0.03641 1.0375   175.0     4.8    21.7
    2021 04 09    12 54 14.2 -04 45 29   0.04280 1.0442   175.2     4.7    22.0
    ...
    2021 04 15    13 01 17.4 -07 27 49   0.08199 1.0845   172.0     7.4    23.7
    ...
    2021 04 23    13 05 15.1 -08 39 59   0.1368  1.1384   165.5    12.8    25.1
    ...
    2021 05 08    13 12 09.4 -09 44 44   0.2507  1.2378   152.9    21.8    26.9
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-G98
    


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