[Iaude] MPEC X67: 2021 XY [a=1.43,e=0.25,i=3.9,H=23.0]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 3 05:38:54 EST 2021


M.P.E.C. 2021-X67                              Issued 2021 December 3, 10:37 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 XY                                     


Observations:
     K21X00Y* C2021 12 01.39351009 24 55.58 +36 52 19.6          21.44GVEX067G96
     K21X00Y  C2021 12 01.39880809 24 57.19 +36 52 18.6          21.14GVEX067G96
     K21X00Y  C2021 12 01.40410409 24 58.80 +36 52 17.2          22.09GVEX067G96
     K21X00Y  C2021 12 01.40942209 25 00.44 +36 52 16.4          21.34GVEX067G96
     K21X00Y KC2021 12 01.48574609 25 23.41 +36 51 58.8          21.18GVEX067V06
     K21X00Y KC2021 12 01.48753509 25 23.94 +36 51 58.1          21.09GVEX067V06
     K21X00Y KC2021 12 01.48932009 25 24.49 +36 51 57.9          21.47GVEX067V06
     K21X00Y 1C2021 12 02.19032 09 29 08.07 +36 48 06.8          21.1 VVEX067033
     K21X00Y 1C2021 12 02.19321 09 29 08.91 +36 48 06.3          21.0 VVEX067033
     K21X00Y 1C2021 12 02.19609 09 29 09.80 +36 48 05.0          21.0 VVEX067033
     K21X00Y KC2021 12 02.36264409 30 05.98 +36 47 17.8          20.75GVEX067I52
     K21X00Y KC2021 12 02.36565109 30 06.95 +36 47 17.4          20.81GVEX067I52
     K21X00Y KC2021 12 02.36715309 30 07.38 +36 47 17.1          21.47GVEX067I52
     K21X00Y KC2021 12 03.37250809 35 22.14 +36 41 26.2          21.3 VuEX067H21
     K21X00Y KC2021 12 03.38108309 35 24.68 +36 41 23.0          21.3 VuEX067H21
     K21X00Y KC2021 12 03.38387809 35 25.51 +36 41 22.5          21.2 VuEX067H21
     K21X00Y KC2021 12 03.38623409 35 27.52 +36 41 23.5          21.04GVEX067I52
     K21X00Y KC2021 12 03.38738909 35 27.85 +36 41 23.4          21.55GVEX067I52
     K21X00Y KC2021 12 03.38854609 35 28.17 +36 41 23.0          20.89GVEX067I52
     K21X00Y KC2021 12 03.38970209 35 28.55 +36 41 23.2          21.12GVEX067I52

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.
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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + 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.
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 XY                                                  Earth MOID = 0.1047 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Bell                    
M  22.55153              (2000.0)            P               Q                  
n   0.57929602     Peri.   68.72320     +0.02629868     -0.99939190             
a   1.4251777      Node    19.81117     +0.89030423     +0.01299999             
e   0.2508868      Incl.    3.87357     +0.45460616     +0.03235490             
P   1.70           H   23.06          G   0.15           U   8                  
Residuals in seconds of arc
211201 G96  0.1+  0.1+    211202 033  0.2+  0.2-    211203 H21 (0.3-  1.4-)
211201 G96  0.1-  0.1+    211202 033  0.1-  0.3+    211203 H21  0.1-  1.1-
211201 G96  0.1-  0.3-    211202 033  0.1+  0.0     211203 I52  0.3+  0.1+
211201 G96  0.2+  0.0     211202 I52  0.4-  0.1-    211203 I52  0.0   0.2+
211201 V06  0.1-  0.0     211202 I52  0.3+  0.2+    211203 I52  0.2-  0.1+
211201 V06  0.1-  0.1-    211202 I52  0.0   0.1+    211203 I52  0.2+  0.7+
211201 V06  0.1+  0.2+    211203 H21  0.6-  0.9-

Ephemeris:
2021 XY                  a,e,i = 1.43, 0.25, 4                   q = 1.0676
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 03    06 41 02.6 +33 19 46   0.2124  1.1171   121.2    49.4    21.8
...
2021 11 18    08 07 34.4 +36 40 06   0.1842  1.0876   118.1    53.3    21.5
...
2021 11 26    08 54 47.9 +37 06 40   0.1763  1.0770   116.4    55.2    21.5
...
2021 12 02    09 28 07.6 +36 49 20   0.1729  1.0716   115.4    56.2    21.4
2021 12 03    09 33 24.0 +36 43 47   0.1725  1.0709   115.3    56.4    21.4
2021 12 04    09 38 34.9 +36 37 33   0.1722  1.0703   115.1    56.5    21.4
...
2021 12 10    10 07 32.9 +35 48 02   0.1710  1.0679   114.8    56.8    21.4
...
2021 12 18    10 40 01.1 +34 19 51   0.1711  1.0684   115.3    56.4    21.4
...
2022 01 02    11 21 04.0 +31 20 38   0.1739  1.0804   119.8    52.2    21.4

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X67




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