[Iaude] MPEC X68: 2021 XZ [a=0.82,e=0.30,i=6.4,H=28.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 3 05:41:40 EST 2021


M.P.E.C. 2021-X68                              Issued 2021 December 3, 10:40 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 XZ                                     


Observations:
     K21X00Z  C2021 12 01.25869 02 10 07.94 +12 52 36.9          19.6 GVEX068703
     K21X00Z  C2021 12 01.26395 02 10 09.92 +12 49 39.9          19.6 GVEX068703
     K21X00Z  C2021 12 01.27445 02 10 14.15 +12 43 43.9          19.2 GVEX068703
     K21X00Z* C2021 12 02.16514802 17 45.17 +06 53 57.9          20.18GVEX068G96
     K21X00Z  C2021 12 02.17542402 17 46.29 +06 51 09.9          20.03GVEX068G96
     K21X00Z  C2021 12 02.18107402 17 46.86 +06 49 36.9          20.36GVEX068G96
     K21X00Z  C2021 12 02.18672602 17 47.43 +06 48 05.3          20.46GVEX068G96
     K21X00Z KC2021 12 02.27280702 17 56.22 +06 25 07.8                VEX068I52
     K21X00Z KC2021 12 02.27389302 17 56.32 +06 24 50.1                VEX068I52
     K21X00Z KC2021 12 02.27498102 17 56.44 +06 24 33.5          19.90GVEX068I52
     K21X00Z KC2021 12 03.13032802 21 49.60 +03 32 09.5          20.38GVEX068I52
     K21X00Z KC2021 12 03.13158702 21 49.65 +03 31 58.1          20.70GVEX068I52
     K21X00Z KC2021 12 03.13284602 21 49.72 +03 31 46.5          20.70GVEX068I52
     K21X00Z KC2021 12 03.13410402 21 49.73 +03 31 34.2          20.46GVEX068I52

Observer details:
703 Catalina Sky Survey.  Observer R. A. Kowalski.  Measurers B. Gray, D.
    Rankin, F. C. Shelly.  0.68-m Schmidt + 10K CCD.
G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  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.  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.

Orbital elements:
2021 XZ                                                  Earth MOID = 0.0036 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Bell                    
M 188.11091              (2000.0)            P               Q                  
n   1.31710711     Peri.   34.95978     +0.23098395     +0.96736033             
a   0.8242431      Node   248.59273     -0.91624251     +0.18023333             
e   0.2988450      Incl.    6.42691     -0.32733175     +0.17812897             
P   0.75           H   28.21          G   0.15           U   7                  
Residuals in seconds of arc
211201 703  0.1-  1.3-    211202 G96  0.1+  0.1+    211203 I52  0.2-  0.2-
211201 703  1.0-  0.9+    211202 G96  0.0   1.0+    211203 I52  0.1-  0.1+
211201 703  0.8+  0.3+    211202 I52  0.3+  0.1+    211203 I52  0.3+  0.3+
211202 G96  0.1-  1.0-    211202 I52  0.1-  0.6-    211203 I52  0.1-  0.2-
211202 G96  0.3+  0.4+    211202 I52  0.1-  0.2-

Ephemeris:
2021 XZ                  a,e,i = 0.82, 0.30, 6                   q = 0.5779
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 03    14 38 11.7 +04 27 04   0.1316  0.8691    19.5   157.6    33.7
...
2021 11 18    14 37 24.4 +08 27 55   0.05439 0.9422    30.8   147.5    29.7
...
2021 11 26    14 46 04.3 +17 06 38   0.01628 0.9751    42.8   136.5    25.6
...
2021 12 02    02 16 38.0 +07 47 19   0.01315 0.9967   144.4    35.1    20.2
2021 12 03    02 21 11.4 +03 57 28   0.01781 1.0000   142.6    36.8    21.0
2021 12 04    02 23 54.0 +01 43 56   0.02252 1.0033   140.9    38.3    21.5
...
2021 12 10    02 30 42.6 -02 43 19   0.05119 1.0211   134.1    43.9    23.5
...
2021 12 18    02 35 54.9 -03 42 21   0.08988 1.0407   127.1    48.9    24.9
...
2022 01 02    02 47 17.1 -02 59 21   0.1630  1.0642   115.7    56.4    26.4

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X68




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