[Iaude] MPEC X188: 2021 XG5 [a=1.56,e=0.34,i=10.0,H=25.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 10 19:49:30 EST 2021


M.P.E.C. 2021-X188                            Issued 2021 December 11, 00:48 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 XG5                                    


Observations:
     K21X05G* C2021 12 09.27211304 50 45.04 +18 09 18.0          20.71GVEX188G96
     K21X05G  C2021 12 09.27773004 50 46.28 +18 08 31.5          20.75GVEX188G96
     K21X05G  C2021 12 09.28334004 50 47.53 +18 07 44.9          20.99GVEX188G96
     K21X05G  C2021 12 09.28893904 50 48.84 +18 06 59.0          20.77GVEX188G96
     K21X05G KC2021 12 09.38201504 51 10.00 +17 54 04.0          20.77GVEX188V06
     K21X05G KC2021 12 09.38380604 51 10.41 +17 53 49.1          20.40GVEX188V06
     K21X05G KC2021 12 09.38559404 51 10.84 +17 53 33.9          20.46GVEX188V06
     K21X05G KC2021 12 10.20416404 54 55.40 +15 57 56.0          20.5 VuEX188H21
     K21X05G KC2021 12 10.21703104 54 58.43 +15 56 05.6          20.7 VuEX188H21
     K21X05G KC2021 12 10.93267404 58 15.65 +14 11 13.1          20.7 GVEX188J95
     K21X05G KC2021 12 10.95310604 58 20.72 +14 08 11.1          20.9 GVEX188J95
     K21X05G KC2021 12 10.97376104 58 25.81 +14 05 08.1          20.1 GVEX188J95

Observer details:
G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  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.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer 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.  1.55-m reflector + 1K CCD.

Orbital elements:
2021 XG5                                                 Earth MOID = 0.0733 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M   8.10052              (2000.0)            P               Q                  
n   0.50468270     Peri.  210.26377     -0.25460867     -0.95251909             
a   1.5623935      Node   254.92146     +0.91830319     -0.18401780             
e   0.3381190      Incl.    9.95836     +0.30313970     -0.24257952             
P   1.95           H   25.75          G   0.15           U   8                  
Residuals in seconds of arc
211209 G96  0.2+  0.1+    211209 V06  0.1-  0.2+    211210 H21  0.1+  0.0
211209 G96  0.1-  0.1-    211209 V06  0.1-  0.2+    211210 J95  0.2-  0.3+
211209 G96  0.4-  0.4-    211209 V06  0.0   0.1+    211210 J95  0.1+  0.4-
211209 G96  0.4+  0.1-    211210 H21  0.0   0.3-    211210 J95  0.0   0.1+

Ephemeris:
2021 XG5                 a,e,i = 1.56, 0.34, 10                  q = 1.0341
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 11    03 29 51.1 +46 13 03   0.1895  1.1590   150.6    24.8    23.6
...
2021 11 26    04 02 24.8 +38 44 40   0.1221  1.1038   162.1    15.9    22.3
...
2021 12 04    04 29 01.7 +28 37 15   0.09469 1.0797   173.0     6.4    21.3
...
2021 12 10    04 53 58.9 +16 27 58   0.08037 1.0647   172.9     6.6    20.9
2021 12 11    04 58 32.3 +14 02 29   0.07866 1.0624   170.6     8.7    21.0
2021 12 12    05 03 11.9 +11 31 04   0.07718 1.0602   168.1    11.1    21.0
...
2021 12 18    05 32 53.3 -04 52 19   0.07315 1.0490   151.7    26.4    21.4
...
2021 12 26    06 14 28.5 -24 51 59   0.08032 1.0387   131.8    44.9    22.1
...
2022 01 10    07 24 05.8 -44 11 56   0.1154  1.0353   113.8    60.4    23.3

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X188




More information about the Iaude mailing list