[Iaude] MPEC X200: 2021 XM5 [a=1.15,e=0.43,i=16.3,H=22.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Dec 11 11:33:06 EST 2021


M.P.E.C. 2021-X200                            Issued 2021 December 11, 16:31 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

                                    2021 XM5                                    


Observations:
     K21X05M* C2021 12 08.12868400 43 43.92 +26 42 34.0          21.19GVEX200G96
     K21X05M  C2021 12 08.13439600 43 46.61 +26 42 16.4          21.37GVEX200G96
     K21X05M  C2021 12 08.14010600 43 49.23 +26 41 58.7          20.83GVEX200G96
     K21X05M  C2021 12 08.14580600 43 51.80 +26 41 40.3          21.73GVEX200G96
     K21X05M KC2021 12 08.22016200 44 25.79 +26 37 43.4          21.17GVEX200V06
     K21X05M KC2021 12 08.22291500 44 27.03 +26 37 34.9          21.74GVEX200V06
     K21X05M KC2021 12 08.22842100 44 29.56 +26 37 17.0          21.76GVEX200V06
     K21X05M KC2021 12 08.29544600 45 00.33 +26 33 39.6          21.1 GVEX200H01
     K21X05M KC2021 12 08.30698000 45 05.61 +26 33 02.5          21.1 GVEX200H01
     K21X05M KC2021 12 08.31242200 45 08.13 +26 32 44.9          21.1 GVEX200H01
     K21X05M KC2021 12 08.31761200 45 10.53 +26 32 28.4          21.3 GVEX200H01
     K21X05M KC2021 12 09.00751700 50 27.79 +25 56 53.6          21.4 VuEX200H21
     K21X05M KC2021 12 09.01186600 50 29.67 +25 56 40.5          21.3 VuEX200H21
     K21X05M KC2021 12 09.01621100 50 31.58 +25 56 27.3          21.3 VuEX200H21
     K21X05M KC2021 12 09.08265100 51 01.07 +25 53 08.4          21.48GVEX200V06
     K21X05M KC2021 12 09.08357400 51 01.50 +25 53 05.7          21.22GVEX200V06
     K21X05M KC2021 12 09.08450000 51 01.89 +25 53 03.5          21.70GVEX200V06

Observer details:
G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  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.  1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  1.3-m f/4.0 astrograph + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer H. Groeller.  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.  1.55-m reflector + 1K CCD.

Orbital elements:
2021 XM5                                                 Earth MOID = 0.1342 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M  98.14564              (2000.0)            P               Q                  
n   0.79613534     Peri.   51.29375     +0.64376785     +0.71350062             
a   1.1529526      Node   261.12827     -0.75975166     +0.55283500             
e   0.4294506      Incl.   16.25415     -0.09132563     +0.43045363             
P   1.24           H   22.60          G   0.15           U   9                  
Residuals in seconds of arc
211208 G96  0.8-  0.7-    211208 V06  0.3-  0.2+    211209 H21  0.0   0.1-
211208 G96  0.3+  0.2-    211208 H01  0.4+  0.1-    211209 H21  0.3+  0.1-
211208 G96  0.4+  0.2+    211208 H01  0.2-  0.1-    211209 V06  0.4-  0.2-
211208 G96  0.2-  0.1-    211208 H01  0.0   0.1-    211209 V06  0.1+  0.1-
211208 V06  0.2-  0.1+    211208 H01  0.1+  0.1+    211209 V06  0.1-  0.5+
211208 V06  0.4-  0.5+    211209 H21  0.1+  0.2-

Ephemeris:
2021 XM5                 a,e,i = 1.15, 0.43, 16                  q = 0.6578
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 11    18 26 14.5 +30 34 02   0.2069  0.9333    68.2    99.9    22.7
...
2021 11 26    22 17 42.3 +37 25 10   0.1787  1.0465   104.6    65.8    21.3
...
2021 12 04    00 06 15.0 +30 34 05   0.2138  1.1048   118.8    51.4    21.4
...
2021 12 10    00 57 35.1 +25 07 30   0.2572  1.1470   123.5    45.7    21.7
2021 12 11    01 04 20.3 +24 19 39   0.2654  1.1539   123.9    45.1    21.8
2021 12 12    01 10 41.3 +23 33 59   0.2739  1.1607   124.2    44.6    21.8
...
2021 12 18    01 42 04.7 +19 44 01   0.3291  1.2010   124.4    42.5    22.2
...
2021 12 26    02 12 15.3 +16 15 59   0.4115  1.2521   122.2    41.7    22.8
...
2022 01 10    02 52 17.8 +12 58 04   0.5842  1.3398   115.1    41.7    23.7

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X200




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