[Iaude] MPEC X146: 2021 XM3 [a=1.17,e=0.16,i=22.7,H=23.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Dec 7 12:27:55 EST 2021


M.P.E.C. 2021-X146                             Issued 2021 December 7, 17:26 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 XM3                                    


Observations:
     K21X03M* C2021 12 06.37027510 32 21.90 +65 22 08.5          18.15GVEX146703
     K21X03M  C2021 12 06.37567510 32 13.68 +65 20 25.7          18.25GVEX146703
     K21X03M  C2021 12 06.38107410 32 05.51 +65 18 43.0          18.09GVEX146703
     K21X03M  C2021 12 06.38647410 31 57.44 +65 17 00.8          17.73GVEX146703
     K21X03M mC2021 12 06.45124610 30 16.74 +64 55 55.3          17.97GVEX146I52
     K21X03M mC2021 12 06.45141110 30 16.48 +64 55 52.1          18.02GVEX146I52
     K21X03M mC2021 12 06.45157610 30 16.23 +64 55 48.8          17.88GVEX146I52
     K21X03M mC2021 12 06.45174210 30 15.97 +64 55 45.5          17.90GVEX146I52
     K21X03M KC2021 12 06.79173510 22 26.25 +62 44 41.4          17.6 GVEX146587
     K21X03M KC2021 12 06.79201210 22 25.86 +62 44 34.7          17.7 GVEX146587
     K21X03M KC2021 12 06.79256210 22 25.18 +62 44 22.1          17.4 GVEX146587
     K21X03M KC2021 12 06.81037410 22 03.27 +62 37 28.4                VEX146204
     K21X03M KC2021 12 06.81496610 21 57.60 +62 35 41.9                VEX146204
     K21X03M KC2021 12 06.81764710 21 54.31 +62 34 39.3          17.8 GVEX146204
     K21X03M KC2021 12 06.92265410 19 36.38 +61 52 50.7          17.7 GVEX146J95
     K21X03M KC2021 12 06.92372110 19 35.03 +61 52 25.3          17.5 GVEX146J95
     K21X03M KC2021 12 06.92480610 19 33.62 +61 51 59.1          17.6 GVEX146J95
     K21X03M KC2021 12 06.92615310 19 31.83 +61 51 26.1          17.9 GVEX146J95
     K21X03M KC2021 12 06.95049610 18 58.78 +61 41 37.1          17.6 GVEX146Z99
     K21X03M KC2021 12 06.95230410 18 56.36 +61 40 53.2          17.8 GVEX146Z99
     K21X03M KC2021 12 06.95411310 18 53.96 +61 40 09.0          17.7 GVEX146Z99
     K21X03M KC2021 12 06.96029510 18 46.80 +61 37 39.1          18.1 GVEX146Z80
     K21X03M KC2021 12 06.96533710 18 39.98 +61 35 35.4          17.7 GVEX146Z80
     K21X03M KC2021 12 06.97036210 18 33.23 +61 33 32.4          17.9 GVEX146Z80
     K21X03M 1C2021 12 06.97782 10 18 22.64 +61 31 02.2          18.9 VVEX146033
     K21X03M 1C2021 12 06.97862 10 18 21.56 +61 30 42.6          18.8 VVEX146033
     K21X03M 1C2021 12 06.97943 10 18 20.45 +61 30 22.8          18.4 VVEX146033
     K21X03M KC2021 12 06.99499210 18 01.02 +61 24 18.5          17.8 GVEX146L01
     K21X03M KC2021 12 06.99578510 17 59.91 +61 23 58.9          17.8 GVEX146L01
     K21X03M KC2021 12 06.99658210 17 58.80 +61 23 39.0          17.8 GVEX146L01
     K21X03M KC2021 12 06.99817410 17 56.54 +61 22 59.6          18.0 GVEX146L01
     K21X03M KC2021 12 06.99897210 17 55.38 +61 22 39.8          17.8 GVEX146L01
     K21X03M KC2021 12 06.99976710 17 54.27 +61 22 19.9          17.8 GVEX146L01
     K21X03M 1C2021 12 07.10648 10 15 17.66 +60 36 13.4          19.4 VVEX146033
     K21X03M 1C2021 12 07.10729 10 15 16.46 +60 35 52.1          19.2 VVEX146033
     K21X03M 1C2021 12 07.10809 10 15 15.29 +60 35 30.6          18.8 VVEX146033
     K21X03M 1C2021 12 07.10896 10 15 14.00 +60 35 07.6          19.2 VVEX146033
     K21X03M KC2021 12 07.52073 10 05 58.90 +57 14 04.0          17.6 GVEX146V21
     K21X03M KC2021 12 07.52433 10 05 53.45 +57 12 07.3          18.5 GVEX146V21
     K21X03M KC2021 12 07.52799 10 05 47.87 +57 10 08.7          18.5 GVEX146V21
     K21X03M KC2021 12 07.54079 10 05 28.66 +57 03 11.4          18.3 GVEX146V21
     K21X03M KC2021 12 07.54793 10 05 18.03 +56 59 18.1          17.8 GVEX146V21
     K21X03M  C2021 12 07.66046 10 03 28.94 +55 54 27.0          17.8 RmEX146P93
     K21X03M  C2021 12 07.66236 10 03 26.32 +55 53 24.6          17.7 RmEX146P93
     K21X03M  C2021 12 07.66331 10 03 25.02 +55 52 53.1          17.5 RmEX146P93

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
    Hoegner, U. Laux, F. Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m
    f/3 Schmidt + CCD.
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
    CCD.
587 Sormano.  Observers A. Carcano, E. Colzani, D. Pezzella.  Measurer P.
    Sicoli.  0.5-m f/6.8 reflector + CCD.
703 Catalina Sky Survey.  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, D. Rankin, R. L. Seaman, F. C.
    Shelly, K. W. Wierzchos.  0.68-m Schmidt + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  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, D. Rankin, R. L.
    Seaman, F. C. Shelly, K. W. Wierzchos.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, L. Poropat.  Measurer
    K. Korlevic.  1.0-m f/2.9 reflector + CCD.
P93 Space Tracking and Communications Center, JAXA.  Observers S. Urakawa, T.
    Fujiwara.  1.0-m f/3.0 reflector + CCD.
V21 Cewanee Observatory at DSNM.  Observer D. T. Durig.  0.4-m f/8 Ritchey-
    Chretien + 4656x3520 CCD.
Z80 Northolt Branch Observatory.  Observer G. Wells.  Measurers G. Wells, D.
    Bamberger.  0.25-m f/8.0 Ritchey-Chretien + CCD.
Z99 Clixby Observatory, Cleethorpes.  Observer A. Mickleburgh.  0.36-m f/8
    Schmidt-Cassegrain + CCD.

Orbital elements:
2021 XM3                                                 Earth MOID = 0.0098 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M  13.28413              (2000.0)            P               Q                  
n   0.77809837     Peri.  206.93520     -0.23754947     -0.89476555             
a   1.1707021      Node   258.84095     +0.94615091     -0.12500264             
e   0.1636136      Incl.   22.66816     +0.21992886     -0.42868281             
P   1.27           H   23.52          G   0.15           U   7                  
Residuals in seconds of arc
211206 703  0.1+  0.2+    211206 J95  0.1+  0.2+    211206 L01  0.0   0.1+
211206 703  0.3-  0.3-    211206 J95  0.1+  0.1+    211206 L01  0.1-  0.1+
211206 703  0.3-  0.5-    211206 J95  0.1-  0.3-    211206 L01  0.0   0.0
211206 703  0.6+  0.3+    211206 Z99  0.1+  0.3-    211207 033  0.1+  0.1+
211206 I52  0.0   0.0     211206 Z99  0.0   0.1+    211207 033  0.1+  0.4+
211206 I52  0.0   0.0     211206 Z99  0.1+  0.0     211207 033  0.2+  0.1+
211206 I52  0.0   0.1+    211206 Z80  0.3+  0.1-    211207 033  0.1+  0.3+
211206 I52  0.1+  0.1+    211206 Z80  0.1-  0.2-    211207 V21  0.3+  0.0
211206 587  0.3+  0.0     211206 Z80  0.1-  0.1+    211207 V21  0.0   0.4-
211206 587  0.0   0.3-    211206 033  0.2-  0.1-    211207 V21  0.5-  0.3-
211206 587  0.1-  0.2-    211206 033  0.0   0.0     211207 V21  0.2-  0.2+
211206 204  0.0   0.1+    211206 033  0.2+  0.2+    211207 V21  0.5+  1.5+
211206 204  0.1-  0.4+    211206 L01  0.2-  0.1+    211207 P93  0.0   0.2-
211206 204  0.1-  0.0     211206 L01  0.1-  0.1+    211207 P93  0.0   0.1+
211206 J95  0.2-  0.2-    211206 L01  0.1+  0.0     211207 P93  0.1+  0.0

Ephemeris:
2021 XM3                 a,e,i = 1.17, 0.16, 23                  q = 0.9792
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 07    16 44 00.4 +82 07 12   0.2334  1.0541    99.3    68.1    22.9
...
2021 11 22    15 06 31.9 +81 09 48   0.1337  1.0225   101.4    71.3    21.7
...
2021 11 30    13 04 28.3 +79 09 57   0.07794 1.0085   104.4    71.3    20.5
...
2021 12 06    10 40 35.3 +67 16 22   0.03710 0.9996   111.5    66.5    18.7
2021 12 07    10 17 29.7 +61 22 57   0.03092 0.9983   114.0    64.4    18.2
2021 12 08    09 55 51.5 +52 26 31   0.02530 0.9969   117.2    61.5    17.7
...
2021 12 14    08 21 09.6 -46 35 24   0.03088 0.9900    99.6    78.6    18.7
...
2021 12 22    07 19 45.4 -68 05 42   0.08462 0.9833    87.3    87.8    21.2
...
2022 01 06    06 32 26.2 -73 57 55   0.1859  0.9793    83.3    85.8    22.8

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X146




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