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  • MPEC 2021-V197 : 2021 VX4

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    M.P.E.C. 2021-V197                             Issued 2021 November 9, 20:35 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 VX4                                 
    
    
    Observations:
         K21V04X* C2021 11 08.93886 02 04 58.70 +25 52 30.2          19.9 RoEV197K88
         K21V04X  C2021 11 08.94034 02 05 00.52 +25 52 12.4          19.6 RoEV197K88
         K21V04X KC2021 11 08.96084 02 05 25.43 +25 48 16.3          19.4 RoEV197K88
         K21V04X KC2021 11 08.96381 02 05 29.02 +25 47 41.3          19.7 RoEV197K88
         K21V04X KC2021 11 08.96388 02 05 35.77 +25 48 12.5          19.5 GVEV197I93
         K21V04X KC2021 11 08.96651 02 05 39.00 +25 47 42.8          19.3 GVEV197I93
         K21V04X KC2021 11 08.96920 02 05 42.15 +25 47 12.1          20.1 GVEV197I93
         K21V04X hC2021 11 08.97737402 05 47.06 +25 45 26.2          20.3 GVEV197L01
         K21V04X hC2021 11 08.97893002 05 48.98 +25 45 07.4          20.4 GVEV197L01
         K21V04X hC2021 11 08.98048802 05 50.81 +25 44 50.0          20.1 GVEV197L01
         K21V04X hC2021 11 08.98360402 05 54.53 +25 44 13.4          20.2 GVEV197L01
         K21V04X KC2021 11 09.04091 02 07 36.98 +25 33 56.7          20.4 GXEV197W34
         K21V04X KC2021 11 09.05109 02 07 49.20 +25 32 09.6          19.6 GXEV197W34
         K21V04X KC2021 11 09.06067 02 08 00.59 +25 30 29.2          19.5 GXEV197W34
         K21V04X mC2021 11 09.13416402 09 35.67 +25 17 10.4          19.88GVEV197I52
         K21V04X mC2021 11 09.13432902 09 35.93 +25 17 08.1          20.20GVEV197I52
         K21V04X mC2021 11 09.13449402 09 36.07 +25 17 06.9          20.72GVEV197I52
         K21V04X mC2021 11 09.13466002 09 36.21 +25 17 05.2          20.07GVEV197I52
         K21V04X KC2021 11 09.84042 02 23 00.79 +23 13 53.1          20.0 RoEV197K88
         K21V04X KC2021 11 09.84311 02 23 03.40 +23 13 27.0          20.0 RoEV197K88
         K21V04X KC2021 11 09.84581 02 23 05.90 +23 13 00.8                oEV197K88
    
    Observer details:
    I52 Steward Observatory, Mt. Lemmon Station.  Observer K. W. Wierzchos.
        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, D.
        Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
    K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.36-m
        f/1.9 Schmidt-Cassegrain + CCD.
    
    Orbital elements:
    2021 VX4                                                 Earth MOID = 0.0132 AU
    Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
    M  82.86809              (2000.0)            P               Q                  
    n   0.72221092     Peri.  129.16798     +0.99857919     +0.01263151             
    a   1.2303444      Node   230.17148     -0.03032980     +0.93351279             
    e   0.2255042      Incl.    3.86529     +0.04381452     +0.35832153             
    P   1.36           H   27.72          G   0.15           U   7                  
    Residuals in seconds of arc
    211108 K88  0.2-  0.4+    211108 L01  0.0   0.3+    211109 I52  0.1-  0.2+
    211108 K88  0.1+  0.4-    211108 L01  0.6+  0.5-    211109 I52  0.8+  0.3-
    211108 K88  0.1+  0.4+    211108 L01  0.0   0.1+    211109 I52  0.1+  0.2+
    211108 K88  0.1-  0.2-    211108 L01  0.3-  0.4-    211109 I52  0.7-  0.1+
    211108 I93  0.7-  0.4+    211109 W34  0.3+  0.8-    211109 K88  0.2-  0.5+
    211108 I93  0.5+  0.5+    211109 W34  0.7+  1.2-    211109 K88  0.5+  0.0
    211108 I93  0.3-  0.4+    211109 W34  0.9+  0.9-    211109 K88  0.3-  0.5-
    
    Ephemeris:
    2021 VX4                 a,e,i = 1.23, 0.23, 4                   q = 0.9529
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 10 10    16 46 59.1 +05 33 22   0.08271 0.9569    57.6   118.2    26.9
    ...
    2021 10 25    17 39 51.8 +15 20 02   0.03591 0.9778    61.5   116.7    25.0
    ...
    2021 11 02    20 21 45.4 +36 13 57   0.01632 0.9946    97.3    81.8    21.6
    ...
    2021 11 08    01 41 08.5 +29 04 57   0.01969 1.0093   159.4    20.2    20.2
    2021 11 09    02 06 23.7 +25 43 41   0.02202 1.0119   165.4    14.3    20.3
    2021 11 10    02 25 37.1 +22 51 00   0.02458 1.0146   170.0     9.7    20.3
    ...
    2021 11 16    03 21 46.5 +12 59 35   0.04262 1.0314   174.3     5.5    21.4
    ...
    2021 11 24    03 46 23.2 +08 20 35   0.06997 1.0558   167.5    11.6    22.8
    ...
    2021 12 09    04 02 52.9 +06 26 10   0.1291  1.1059   158.2    19.3    24.5
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-V197
    


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