[Iaude] MPEC X87: 2021 XM1 [a=1.20,e=0.15,i=24.0,H=25.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 3 19:05:08 EST 2021


M.P.E.C. 2021-X87                              Issued 2021 December 4, 00:03 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 XM1                                    


Observations:
     K21X01M* C2021 12 01.36867405 10 06.83 +27 38 40.1          21.75GVEX087V00
     K21X01M  C2021 12 01.37083705 10 06.30 +27 38 14.6          21.57GVEX087V00
     K21X01M  C2021 12 01.37299505 10 05.75 +27 37 48.8          21.81GVEX087V00
     K21X01M  C2021 12 01.37514905 10 05.26 +27 37 24.4          21.65GVEX087V00
     K21X01M KC2021 12 01.43678205 09 50.28 +27 25 22.3          21.66GVEX087V06
     K21X01M KC2021 12 01.43870005 09 49.82 +27 24 59.9          21.85GVEX087V06
     K21X01M KC2021 12 01.44061905 09 49.34 +27 24 36.8          21.09GVEX087V06
     K21X01M KC2021 12 02.19130005 07 16.71 +25 00 09.8          21.46GVEX087V06
     K21X01M KC2021 12 02.19358005 07 16.19 +24 59 43.9          22.16GVEX087V06
     K21X01M KC2021 12 02.19472105 07 15.95 +24 59 31.2          21.04GVEX087V06
     K21X01M 1C2021 12 03.07682 05 04 14.56 +22 12 31.7          21.7 VVEX087033
     K21X01M 1C2021 12 03.07820 05 04 14.26 +22 12 16.3          21.4 VVEX087033
     K21X01M 1C2021 12 03.07959 05 04 13.96 +22 12 00.3          21.4 VVEX087033
     K21X01M 1C2021 12 03.08097 05 04 13.68 +22 11 44.9          21.3 VVEX087033

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.
V00 Kitt Peak-Bok.  Observer R. A. Mastaler.  Measurers M. J. Brucker, E. J.
    Christensen, C. E. Woodward, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
    Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. S.
    McMillan, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  2.25-m
    reflector + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer D. Rankin.  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 XM1                                                 Earth MOID = 0.1210 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M  89.25676              (2000.0)            P               Q                  
n   0.74791715     Peri.  112.67461     +0.92199320     -0.03904305             
a   1.2019887      Node   251.37333     -0.06109083     +0.96777482             
e   0.1464996      Incl.   23.98682     +0.38235643     +0.24877205             
P   1.32           H   25.47          G   0.15           U   8                  
Residuals in seconds of arc
211201 V00  0.0   0.1+    211201 V06  0.1-  0.1+    211203 033  0.2+  0.0
211201 V00  0.0   0.1-    211201 V06  0.5-  0.5-    211203 033  0.0   0.2+
211201 V00 (0.3-  0.7-)   211202 V06  0.1-  0.0     211203 033  0.1-  0.2-
211201 V00  0.2+  0.1+    211202 V06  0.2-  0.1-    211203 033  0.0   0.0
211201 V06  0.1-  0.0     211202 V06  0.0   0.2+

Ephemeris:
2021 XM1                 a,e,i = 1.20, 0.15, 24                  q = 1.0259
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 04    09 49 01.3 +79 25 27   0.2208  1.0592   101.8    66.5    24.7
...
2021 11 19    06 20 59.1 +63 10 31   0.1467  1.0851   128.1    45.8    23.2
...
2021 11 27    05 28 35.2 +41 48 20   0.1259  1.1010   153.6    23.5    22.3
...
2021 12 03    05 04 31.4 +22 27 38   0.1284  1.1136   173.5     5.7    21.7
2021 12 04    05 01 22.7 +19 23 17   0.1306  1.1157   174.5     4.9    21.7
2021 12 05    04 58 26.4 +16 25 23   0.1331  1.1179   173.3     5.9    21.8
...
2021 12 11    04 44 32.3 +01 30 02   0.1567  1.1311   157.6    19.4    22.7
...
2021 12 19    04 33 34.2 -10 53 20   0.2029  1.1493   141.3    32.4    23.7
...
2022 01 03    04 27 39.5 -20 31 02   0.3091  1.1840   123.9    43.6    25.0

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X87




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