[Iaude] MPEC Y42: 2021 XR6 [a=1.09,e=0.24,i=5.1,H=26.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 20 06:58:48 EST 2021


M.P.E.C. 2021-Y42                             Issued 2021 December 20, 11:57 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 XR6                                    


Observations:
     K21X06R* C2021 12 12.39268105 28 18.32 +52 55 36.0          21.49GVEY042G96
     K21X06R  C2021 12 12.39870405 28 15.67 +52 55 17.3          21.28GVEY042G96
     K21X06R  C2021 12 12.40473805 28 12.94 +52 54 57.8          21.56GVEY042G96
     K21X06R KC2021 12 12.42602105 28 03.62 +52 53 50.4          20.99GVEY042I52
     K21X06R KC2021 12 12.42985705 28 01.90 +52 53 38.5          20.55GVEY042I52
     K21X06R KC2021 12 12.43369305 28 00.26 +52 53 25.5          22.17GVEY042I52
     K21X06R KC2021 12 12.43753005 27 58.69 +52 53 12.7                VEY042I52
     K21X06R KC2021 12 13.32067105 23 11.08 +52 14 50.8          18.7 GVEY042G96
     K21X06R KC2021 12 13.32350805 23 09.90 +52 14 43.0                VEY042G96
     K21X06R KC2021 12 13.38823605 22 44.77 +52 11 47.4          21.84GVEY042V06
     K21X06R KC2021 12 13.38947305 22 44.25 +52 11 43.3          20.57GVEY042V06
     K21X06R KC2021 12 13.39071005 22 43.85 +52 11 40.8          21.03GVEY042V06
     K21X06R KC2021 12 13.39194305 22 43.37 +52 11 36.6          21.89GVEY042V06
     K21X06R DC2021 12 20.16387 05 02 00.62 +48 35 38.9                VEY042695
     K21X06R DC2021 12 20.17348 05 01 59.19 +48 35 26.9                VEY042695
     K21X06R DC2021 12 20.18309 05 01 57.75 +48 35 14.8          23.1 GVEY042695

Observer details:
695 Kitt Peak.  Observer R. A. Mastaler.  2.3-m f/9 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, D. Parrott.  1.5-m reflector + 10K
    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.
V06 Catalina Sky Survey-Kuiper.  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.  1.55-m reflector + 1K CCD.

Orbital elements:
2021 XR6                                                 Earth MOID = 0.0087 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M  97.79613              (2000.0)            P               Q                  
n   0.86396352     Peri.  286.23700     +0.97951294     +0.18537601             
a   1.0917900      Node    63.13661     -0.13395374     +0.89148673             
e   0.2422431      Incl.    5.05976     -0.15036884     +0.41338498             
P   1.14           H   26.41          G   0.15           U   8                  
Residuals in seconds of arc
211212 G96  0.2-  0.0     211212 I52  0.5+  0.5-    211213 V06  0.1+  0.2-
211212 G96  0.2+  0.2+    211213 G96  0.3+  0.2+    211220 695  0.0   0.1-
211212 G96  0.2-  0.4-    211213 G96  0.2-  0.2-    211220 695  0.0   0.1-
211212 I52  0.2+  0.0     211213 V06  0.0   0.1+    211220 695  0.0   0.1-
211212 I52  0.3-  0.5+    211213 V06  0.4-  0.5-
211212 I52  0.2-  0.1-    211213 V06  0.2+  0.5+

Ephemeris:
2021 XR6                 a,e,i = 1.09, 0.24, 5                   q = 0.8273
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 20    15 34 44.8 -29 56 09   0.04627 0.9427    10.4   169.1
...
2021 12 05    07 37 21.7 +60 56 20   0.02519 1.0024   131.3    47.6    20.2
...
2021 12 13    05 24 54.9 +52 27 44   0.05777 1.0352   150.6    27.8    21.5
...
2021 12 19    05 04 10.4 +49 05 20   0.08445 1.0598   153.0    25.0    22.3
2021 12 20    05 02 13.0 +48 39 31   0.08903 1.0639   153.0    24.9    22.4
2021 12 21    05 00 31.6 +48 15 11   0.09366 1.0680   152.9    24.8    22.6
...
2021 12 27    04 54 26.1 +46 11 46   0.1223  1.0921   151.1    25.8    23.2
...
2022 01 04    04 53 17.1 +44 03 13   0.1633  1.1235   146.8    28.7    24.0
...
2022 01 19    05 03 51.9 +40 59 51   0.2494  1.1787   137.0    34.7    25.2

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-Y42




More information about the Iaude mailing list