[Iaude] MPEC X172: 2020 XM5 [a=1.64,e=0.35,i=26.6,H=20.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 14 13:15:00 EST 2020


M.P.E.C. 2020-X172                            Issued 2020 December 14, 18:13 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

                                    2020 XM5                                    


Observations:
     K20X05M* C2020 12 11.51119909 34 42.417+09 07 51.48         22.07wUEX172F51
     K20X05M  C2020 12 11.52217009 34 42.503+09 08 05.73         22.12wUEX172F51
     K20X05M  C2020 12 11.53318909 34 42.592+09 08 20.11         22.18wUEX172F51
     K20X05M  C2020 12 11.54421209 34 42.675+09 08 34.68         22.37wUEX172F51
     K20X05M KC2020 12 12.37936309 34 51.14 +09 26 53.9          20.99GVEX172V06
     K20X05M KC2020 12 12.38253009 34 51.18 +09 26 58.4                VEX172V06
     K20X05M KC2020 12 12.38569609 34 51.20 +09 27 02.5          22.59GVEX172V06
     K20X05M KC2020 12 14.07598209 35 01.36 +10 05 23.9          22.5 GVEX172L01
     K20X05M KC2020 12 14.08533809 35 01.37 +10 05 36.6          22.5 GVEX172L01
     K20X05M KC2020 12 14.10016509 35 01.39 +10 05 57.3          22.4 GVEX172L01
     K20X05M |C2020 12 14.34023 09 35 02.11 +10 11 45.9          22.3 GVEX172807
     K20X05M |C2020 12 14.34338 09 35 02.14 +10 11 49.4          22.2 GVEX172807
     K20X05M |C2020 12 14.34613 09 35 02.13 +10 11 53.4          22.3 GVEX172807

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    1.00-m f/10.0 astrograph + 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.
V06 Catalina Sky Survey-Kuiper.  Observer D. C. Fuls.  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.  1.55-m reflector +
    1K CCD.

Orbital elements:
2020 XM5                                                 Earth MOID = 0.2348 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Pike                    
M  63.83854              (2000.0)            P               Q                  
n   0.46728997     Peri.  252.08866     +0.90267465     -0.13399636             
a   1.6446686      Node   113.89834     +0.22764012     +0.95512339             
e   0.3496952      Incl.   26.56909     -0.36518276     +0.26416715             
P   2.11           H   20.43          G   0.15           U   9                  
Residuals in seconds of arc
201211 F51  0.0-  0.1+    201212 V06  0.3+  0.1+    201214 807 (0.4-  0.7+)
201211 F51  0.0-  0.0-    201212 V06  0.3+  0.1-    201214 807  0.1+  0.2-
201211 F51  0.0+  0.1-    201214 L01  0.5-  0.5+    201214 807  0.0-  0.0-
201211 F51  0.0+  0.1+    201214 L01  0.4-  0.2+
201212 V06  0.1-  0.2-    201214 L01  0.2-  0.2+

Ephemeris:
2020 XM5                 a,e,i = 1.64, 0.35, 27                  q = 1.0695
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 14    09 13 17.4 +02 15 07   0.9875  1.4184    91.7    44.2    22.9
...
2020 11 29    09 28 40.6 +05 17 51   0.9084  1.4934   104.0    39.9    22.7
...
2020 12 07    09 33 20.8 +07 35 30   0.8653  1.5331   111.7    36.6    22.5
...
2020 12 13    09 34 55.6 +09 40 51   0.8345  1.5626   118.2    33.7    22.4
2020 12 14    09 35 00.9 +10 03 43   0.8296  1.5675   119.3    33.2    22.4
2020 12 15    09 35 03.1 +10 27 09   0.8248  1.5724   120.5    32.7    22.4
...
2020 12 21    09 34 08.7 +12 59 39   0.7982  1.6014   127.7    29.1    22.2
...
2020 12 29    09 29 48.7 +16 52 39   0.7708  1.6394   138.0    23.7    22.1
...
2021 01 13    09 12 06.8 +25 04 30   0.7558  1.7084   158.2    12.4    21.7

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X172




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