[Iaude] MPEC X226: 2021 XH6 [a=1.89,e=0.47,i=6.6,H=23.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Dec 14 10:36:59 EST 2021


M.P.E.C. 2021-X226                            Issued 2021 December 14, 15:35 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 XH6                                    


Observations:
     K21X06H* C2021 12 12.44258708 36 02.70 +53 58 37.4          20.77GVEX226G96
     K21X06H  C2021 12 12.44866608 36 01.11 +53 58 17.5          21.06GVEX226G96
     K21X06H  C2021 12 12.45491708 35 59.37 +53 57 55.9          21.20GVEX226G96
     K21X06H  C2021 12 12.46073408 35 57.94 +53 57 35.5          21.42GVEX226G96
     K21X06H KC2021 12 12.50123608 35 46.95 +53 55 17.1                VEX226I52
     K21X06H KC2021 12 12.50333808 35 46.44 +53 55 10.5                VEX226I52
     K21X06H KC2021 12 12.50543908 35 46.08 +53 55 02.9                VEX226I52
     K21X06H  C2021 12 13.26451408 32 55.36 +53 12 23.0          21.6 GVEX226H01
     K21X06H  C2021 12 13.26766808 32 54.58 +53 12 12.9          20.8 GVEX226H01
     K21X06H  C2021 12 13.27930508 32 51.68 +53 11 36.2          20.9 GVEX226H01
     K21X06H  C2021 12 13.28625708 32 49.99 +53 11 14.1          21.1 GVEX226H01
     K21X06H KC2021 12 14.16366 08 29 27.21 +52 22 49.8          21.5 GVEX226204

Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
    CCD.
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.
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.

Orbital elements:
2021 XH6                                                 Earth MOID = 0.1073 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M  30.41650              (2000.0)            P               Q                  
n   0.37922446     Peri.   87.48199     +0.77503993     -0.62592067             
a   1.8903337      Node   311.25157     +0.52413882     +0.71349904             
e   0.4731704      Incl.    6.63071     +0.35297536     +0.31486892             
P   2.60           H   23.48          G   0.15           U   8                  
Residuals in seconds of arc
211212 G96  0.0   0.2-    211212 I52  0.4-  0.1-    211213 H01  0.0   0.0
211212 G96  0.3+  0.4+    211212 I52  0.1+  0.6+    211213 H01  0.2-  0.0
211212 G96  0.1-  0.0     211212 I52 (1.8+  0.3+)   211213 H01  0.1+  0.2-
211212 G96  1.0+  0.6-    211213 H01  0.0   0.1+    211214 204  0.0   0.0

Ephemeris:
2021 XH6                 a,e,i = 1.89, 0.47, 7                   q = 0.9959
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 14    15 00 33.7 +76 35 40   0.1186  1.0063    94.8    78.5    21.6
...
2021 11 29    09 53 59.0 +67 36 12   0.1372  1.0459   112.1    60.9    21.4
...
2021 12 07    09 00 23.7 +59 16 09   0.1528  1.0775   123.7    49.6    21.4
...
2021 12 13    08 33 52.4 +53 27 08   0.1674  1.1051   132.8    40.8    21.4
2021 12 14    08 30 05.3 +52 31 47   0.1701  1.1099   134.3    39.4    21.4
2021 12 15    08 26 26.7 +51 37 18   0.1730  1.1149   135.9    37.9    21.4
...
2021 12 21    08 07 06.7 +46 28 51   0.1918  1.1462   145.0    29.5    21.5
...
2021 12 29    07 46 37.7 +40 28 31   0.2231  1.1914   156.6    19.2    21.6
...
2022 01 13    07 21 39.5 +31 50 10   0.3045  1.2839   169.2     8.3    22.0

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X226




More information about the Iaude mailing list