[Iaude] MPEC X136: 2021 XE3 [a=1.80,e=0.46,i=2.2,H=27.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 6 18:56:39 EST 2021


M.P.E.C. 2021-X136                             Issued 2021 December 6, 23:55 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 XE3                                    


Observations:
     K21X03E  C2021 12 04.24136 01 47 54.89 -09 49 16.9          21.2 GVEX136G96
     K21X03E  C2021 12 04.24867 01 47 54.76 -09 49 43.9          21.8 GVEX136G96
     K21X03E  C2021 12 04.25390 01 47 54.70 -09 50 01.9          21.1 GVEX136G96
     K21X03E* C2021 12 06.15350101 51 17.41 -12 17 39.7          21.66GVEX136G96
     K21X03E  C2021 12 06.15917501 51 17.54 -12 18 13.5          20.85GVEX136G96
     K21X03E  C2021 12 06.16484601 51 17.68 -12 18 46.5          21.67GVEX136G96
     K21X03E  C2021 12 06.17052901 51 17.74 -12 19 19.7          21.08GVEX136G96
     K21X03E  C2021 12 06.18509901 51 16.87 -12 20 52.4          21.2 GVEX136H01
     K21X03E  C2021 12 06.19109801 51 16.98 -12 21 27.5          20.9 GVEX136H01
     K21X03E  C2021 12 06.19854901 51 17.16 -12 22 11.4          20.8 GVEX136H01
     K21X03E  C2021 12 06.20587001 51 17.32 -12 22 54.1          21.1 GVEX136H01
     K21X03E KC2021 12 06.25222201 51 19.62 -12 27 20.7          21.29GVEX136I52
     K21X03E KC2021 12 06.25529001 51 19.71 -12 27 39.1          21.24GVEX136I52
     K21X03E KC2021 12 06.25835901 51 19.80 -12 27 56.8          21.17GVEX136I52
     K21X03E KC2021 12 06.26142801 51 19.90 -12 28 14.9          20.99GVEX136I52
     K21X03E KC2021 12 06.86369 01 53 01.57 -13 35 35.0          20.1 RVEX136K51
     K21X03E KC2021 12 06.86627 01 53 01.76 -13 35 53.4          20.1 RVEX136K51
     K21X03E KC2021 12 06.86893 01 53 01.92 -13 36 12.6          19.9 RVEX136K51

Observer details:
G96 Mt. Lemmon Survey.  Observer K. W. Wierzchos.  Measurers B. Gray, D.
    Rankin, F. C. Shelly, 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, R. L. Seaman, 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.
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.
K51 Osservatorio del Celado, Castello Tesino.  Observers G. Favero, R.
    Furgoni.  Measurer R. Furgoni.  0.80-m f/4 reflector + CCD.

Orbital elements:
2021 XE3                                                 Earth MOID = 0.0050 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M  10.08376              (2000.0)            P               Q                  
n   0.40840203     Peri.    9.80348     -0.15067657     -0.98783814             
a   1.7991918      Node    88.86993     +0.90438806     -0.15341471             
e   0.4615602      Incl.    2.19951     +0.39922275     -0.02529322             
P   2.41           H   27.18          G   0.15           U   8                  
Residuals in seconds of arc
211204 G96  0.6+  0.1+    211206 G96  0.3-  0.4+    211206 I52  0.1+  0.1-
211204 G96  0.1-  0.4-    211206 H01  0.0   0.2-    211206 I52  0.1-  0.2+
211204 G96  0.3-  0.4+    211206 H01  0.2-  0.0     211206 I52  0.3-  0.1+
211206 G96  0.5-  0.4-    211206 H01  0.0   0.1-    211206 K51  0.1+  0.0
211206 G96  0.2-  0.6-    211206 H01  0.1-  0.1+    211206 K51  0.3+  0.1+
211206 G96  0.4+  0.1+    211206 I52  0.2+  0.3+    211206 K51  0.0   0.0

Ephemeris:
2021 XE3                 a,e,i = 1.80, 0.46, 2                   q = 0.9688
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 06    01 52 56.5 -00 17 02   0.1521  1.1351   159.5    17.8    24.3
...
2021 11 21    01 45 37.9 -03 35 49   0.08680 1.0580   142.4    34.7    23.4
...
2021 11 29    01 44 50.4 -06 15 13   0.05476 1.0247   133.1    44.7    22.6
...
2021 12 05    01 49 03.7 -10 36 59   0.03130 1.0041   125.7    52.9    21.6
2021 12 06    01 50 54.1 -11 59 10   0.02744 1.0011   124.3    54.4    21.4
2021 12 07    01 53 28.9 -13 46 55   0.02359 0.9982   122.8    56.1    21.1
...
2021 12 13    09 13 06.4 -67 34 30   0.0054030.9835    79.7   100.0    19.4
...
2021 12 21    13 23 35.5 -06 19 47   0.03267 0.9717    67.4   110.9    23.9
...
2022 01 05    13 37 02.2 -01 00 36   0.08973 0.9742    81.6    93.2    25.2

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X136




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