[Iaude] MPEC X152: 2021 XT3 [a=1.83,e=0.46,i=6.7,H=27.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Dec 8 04:37:06 EST 2021


M.P.E.C. 2021-X152                             Issued 2021 December 8, 09:35 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 XT3                                    


Observations:
     K21X03T* C2021 12 05.18566802 13 15.77 -04 12 21.7          20.65GVEX152G96
     K21X03T  C2021 12 05.19294102 13 26.19 -04 15 00.1          20.69GVEX152G96
     K21X03T  C2021 12 05.20022202 13 36.63 -04 17 38.6          20.61GVEX152G96
     K21X03T  C2021 12 05.20752102 13 47.20 -04 20 20.1          20.96GVEX152G96
     K21X03T KC2021 12 05.28598702 15 41.61 -04 49 02.5          20.85GVEX152I52
     K21X03T KC2021 12 05.28701702 15 43.15 -04 49 25.6          20.63GVEX152I52
     K21X03T KC2021 12 05.28804702 15 44.69 -04 49 47.9          20.43GVEX152I52
     K21X03T KC2021 12 05.28907802 15 46.22 -04 50 10.8          20.54GVEX152I52
     K21X03T KC2021 12 06.17864502 41 58.13 -10 40 58.7          20.53GVEX152I52
     K21X03T KC2021 12 06.17941802 41 59.48 -10 41 17.9          20.38GVEX152I52
     K21X03T KC2021 12 06.18019102 42 00.83 -10 41 38.1                VEX152I52
     K21X03T KC2021 12 08.22835203 58 39.95 -25 24 33.3          20.45GVEX152I52
     K21X03T KC2021 12 08.23046303 58 45.04 -25 25 25.7          20.42GVEX152I52
     K21X03T KC2021 12 08.23257303 58 50.08 -25 26 18.2          20.35GVEX152I52
     K21X03T KC2021 12 08.23468503 58 55.08 -25 27 10.2          20.38GVEX152I52

Observer details:
G96 Mt. Lemmon Survey.  Observer K. W. Wierzchos.  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.
I52 Steward Observatory, Mt. Lemmon Station.  Observers D. C. Fuls, 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.

Orbital elements:
2021 XT3                                                 Earth MOID = 0.0174 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Bell                    
M  14.48071              (2000.0)            P               Q                  
n   0.39797528     Peri.  195.68727     +0.09617842     -0.98937117             
a   1.8304814      Node   248.89314     +0.92534161     +0.12924384             
e   0.4569471      Incl.    6.71349     +0.36673235     -0.06663866             
P   2.48           H   27.44          G   0.15           U   7                  
Residuals in seconds of arc
211205 G96  0.2+  0.1-    211205 I52  0.1-  0.3-    211206 I52  0.1-  0.5-
211205 G96  0.0   0.1+    211205 I52  0.1+  0.1+    211208 I52  0.4-  0.0
211205 G96  0.2-  0.7+    211205 I52  0.1+  0.0     211208 I52  0.3+  0.0
211205 G96 (0.9+  1.3-)   211206 I52  0.0   0.1+    211208 I52  0.3+  0.2-
211205 I52  0.2-  0.0     211206 I52  0.0   0.3+    211208 I52  0.2-  0.2+

Ephemeris:
2021 XT3                 a,e,i = 1.83, 0.46, 7                   q = 0.9940
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 08    23 48 39.9 +29 29 50   0.1234  1.0832   136.1    39.3    24.6
...
2021 11 23    00 07 33.3 +23 59 45   0.06371 1.0278   127.8    49.4    23.4
...
2021 12 01    00 58 53.2 +13 02 35   0.03434 1.0084   129.6    48.9    22.0
...
2021 12 07    03 09 48.2 -16 28 27   0.01995 0.9991   133.4    45.8    20.7
2021 12 08    03 48 55.5 -23 42 58   0.01956 0.9980   130.6    48.5    20.7
2021 12 09    04 32 21.3 -30 14 00   0.02000 0.9970   126.5    52.6    20.9
...
2021 12 15    08 02 57.3 -42 09 44   0.03439 0.9941   105.6    72.5    22.6
...
2021 12 23    09 29 46.2 -39 10 27   0.06301 0.9978   101.2    75.3    24.1
...
2022 01 07    10 07 08.6 -35 12 14   0.1176  1.0274   108.8    65.0    25.1

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X152




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