[Iaude] MPEC E171: 2022 EX4 [a=1.56,e=0.44,i=14.3,H=24.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Mar 11 05:11:25 EST 2022


M.P.E.C. 2022-E171                               Issued 2022 March 11, 10:09 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2022 EX4                                    


Observations:
     K22E04X  C2022 03 06.42473212 15 28.704-01 31 10.27         19.73GVEE171F52
     K22E04X  C2022 03 06.43926712 15 29.297-01 28 08.99         20.11GVEE171F52
     K22E04X  C2022 03 06.45396712 15 29.860-01 25 05.77         19.97GVEE171F52
     K22E04X  C2022 03 06.46862112 15 30.407-01 22 02.91         19.97GVEE171F52
     K22E04X* C2022 03 10.35008412 19 24.435+09 05 04.73         20.50wUEE171F52
     K22E04X  C2022 03 10.36034612 19 24.608+09 06 21.64         20.80wUEE171F52
     K22E04X  C2022 03 10.37210912 19 24.796+09 07 49.53         20.60wUEE171F52
     K22E04X  C2022 03 10.38229512 19 24.928+09 09 05.45         20.72wUEE171F52
     K22E04X  C2022 03 10.57439112 19 26.545+09 32 32.21         20.50GVEE171F52
     K22E04X  C2022 03 10.57502012 19 26.544+09 32 36.69         20.70GVEE171F52
     K22E04X KC2022 03 10.83969 12 19 43.65 +10 03 21.0          19.9 RVEE171K51
     K22E04X KC2022 03 10.84656 12 19 43.79 +10 04 10.3          20.5 RVEE171K51
     K22E04X pC2022 03 10.87929512 19 44.58 +10 08 01.4          20.9 GVEE171L01
     K22E04X pC2022 03 10.88451812 19 44.67 +10 08 37.8          21.3 GVEE171L01
     K22E04X pC2022 03 10.89101612 19 44.77 +10 09 22.6          21.3 GVEE171L01
     K22E04X KC2022 03 10.93284512 19 45.67 +10 14 16.6          20.4 GVEE171104
     K22E04X KC2022 03 10.94110112 19 45.83 +10 15 13.6          20.0 GVEE171104

Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
    P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, A. Schultz, I. Smith.  Measurers S. Chastel, M. Huber, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, J. Fairlamb,
    H. Gao, C.-C. Lin, E. Magnier.  1.8-m Ritchey-Chretien + CCD.
K51 Osservatorio del Celado, Castello Tesino.  Observers G. Favero, R.
    Furgoni.  Measurer R. Furgoni.  0.80-m f/4 reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
2022 EX4                                                 Earth MOID = 0.0447 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M   3.98519              (2000.0)            P               Q                  
n   0.50775681     Peri.  294.30065     -0.19913929     -0.97834284             
a   1.5560810      Node   166.80806     +0.96468044     -0.20584601             
e   0.4382069      Incl.   14.32619     +0.17243893     +0.02174171             
P   1.94           H   24.78          G   0.15           U   8                  
Residuals in seconds of arc
220306 F52  0.1-  0.1+    220310 F52  0.0   0.0     220310 L01  0.8+  0.1+
220306 F52  0.1+  0.2-    220310 F52  0.2-  0.1-    220310 L01  0.6+  0.0
220306 F52  0.0   0.2-    220310 F52  0.1+  0.1+    220310 L01  0.2+  0.7-
220306 F52  0.0   0.3+    220310 F52  0.1-  0.1+    220310 104  0.4-  0.5+
220310 F52  0.1-  0.1+    220310 K51  0.2+  0.6-    220310 104  0.2+  0.2+
220310 F52  0.1-  0.1+    220310 K51  0.4-  0.3+

Ephemeris:
2022 EX4                 a,e,i = 1.56, 0.44, 14                  q = 0.8742
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2022 02 09    01 09 08.2 -62 31 18   0.1267  0.9319    61.1   112.1    24.4
...
2022 02 24    11 18 13.0 -65 01 55   0.05372 1.0045   104.7    72.3    21.0
...
2022 03 04    12 11 15.5 -11 28 31   0.06532 1.0507   154.2    24.2    20.1
...
2022 03 10    12 19 05.2 +08 20 58   0.09774 1.0876   164.7    13.9    20.7
2022 03 11    12 19 46.1 +10 22 41   0.1040  1.0939   164.6    13.9    20.9
2022 03 12    12 20 20.7 +12 10 07   0.1104  1.1002   164.3    14.2    21.0
...
2022 03 18    12 22 16.4 +19 25 53   0.1517  1.1389   160.0    17.4    21.9
...
2022 03 26    12 22 50.3 +23 58 52   0.2122  1.1917   154.0    21.5    22.8
...
2022 04 10    12 23 39.6 +26 05 08   0.3398  1.2923   144.1    27.0    24.2

M. P. C. Staff               (C) Copyright 2022 MPC           M.P.E.C. 2022-E171




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