[Iaude] MPEC X147: 2021 XN3 [a=1.33,e=0.41,i=12.6,H=23.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Dec 7 12:28:21 EST 2021


M.P.E.C. 2021-X147                             Issued 2021 December 7, 17:27 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 XN3                                    


Observations:
     K21X03N* C2021 12 06.32956710 01 59.20 +48 31 35.6          17.65GVEX147703
     K21X03N  C2021 12 06.33501710 01 43.24 +48 33 53.6          17.91GVEX147703
     K21X03N  C2021 12 06.34591910 01 11.41 +48 38 26.6          18.07GVEX147703
     K21X03N mC2021 12 06.40636209 58 13.76 +49 03 05.5          17.73GVEX147I52
     K21X03N mC2021 12 06.40652709 58 13.26 +49 03 09.4          17.68GVEX147I52
     K21X03N mC2021 12 06.40669309 58 12.78 +49 03 13.4          17.86GVEX147I52
     K21X03N mC2021 12 06.40685809 58 12.31 +49 03 17.2          17.76GVEX147I52
     K21X03N bC2021 12 06.93299009 34 04.26 +51 56 47.7          17.7 GVEX147J95
     K21X03N bC2021 12 06.93532609 33 57.99 +51 57 30.3          17.6 GVEX147J95
     K21X03N bC2021 12 06.93830609 33 50.01 +51 58 24.9          17.9 GVEX147J95
     K21X03N bC2021 12 06.94000109 33 45.48 +51 58 55.8          17.6 GVEX147J95
     K21X03N KC2021 12 06.96808509 32 29.25 +52 07 21.3          17.7 GVEX147Z99
     K21X03N KC2021 12 06.96884809 32 27.17 +52 07 34.9          18.1 GVEX147Z99
     K21X03N KC2021 12 06.96885609 32 28.78 +52 08 28.0          17.2 GVEX147L01
     K21X03N KC2021 12 06.96972109 32 24.85 +52 07 50.5          18.0 GVEX147Z99
     K21X03N KC2021 12 06.97034909 32 24.71 +52 08 54.9          17.4 GVEX147L01
     K21X03N KC2021 12 06.97048309 32 22.80 +52 08 04.1          17.8 GVEX147Z99
     K21X03N KC2021 12 06.97134809 32 20.48 +52 08 19.5          17.8 GVEX147Z99
     K21X03N KC2021 12 06.97213609 32 19.83 +52 09 26.8          17.5 GVEX147L01
     K21X03N KC2021 12 06.97374009 32 15.47 +52 09 55.5          17.6 GVEX147L01
     K21X03N KC2021 12 06.97473709 32 12.76 +52 10 13.1          17.8 GVEX147L01
     K21X03N KC2021 12 06.97684009 32 07.02 +52 10 50.5          17.8 GVEX147L01
     K21X03N 1C2021 12 06.98060 09 31 55.24 +52 11 35.0          19.6 VVEX147033
     K21X03N 1C2021 12 06.98123 09 31 53.53 +52 11 46.3          19.6 VVEX147033
     K21X03N 1C2021 12 06.98186 09 31 51.80 +52 11 57.1          19.7 VVEX147033
     K21X03N KC2021 12 07.00179109 30 59.25 +52 17 21.4          17.3 GVEX147Z80
     K21X03N KC2021 12 07.00765409 30 43.40 +52 19 03.1          17.2 GVEX147Z80
     K21X03N KC2021 12 07.01363009 30 27.24 +52 20 47.5          17.4 GVEX147Z80
     K21X03N KC2021 12 07.08862009 27 02.01 +52 42 28.3                VEX147204
     K21X03N KC2021 12 07.09461709 26 45.56 +52 44 05.7                VEX147204
     K21X03N KC2021 12 07.10013509 26 30.43 +52 45 35.2          18.0 GVEX147204
     K21X03N  C2021 12 07.62841 09 04 29.58 +54 45 10.8          18.1 RmEX147P93
     K21X03N  C2021 12 07.63006 09 04 25.49 +54 45 31.1          18.1 RmEX147P93
     K21X03N  C2021 12 07.63335 09 04 17.22 +54 46 12.7          18.2 RmEX147P93

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.
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
    CCD.
703 Catalina Sky Survey.  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.  0.68-m Schmidt + 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.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, L. Poropat.  Measurer
    K. Korlevic.  1.0-m f/2.9 reflector + CCD.
P93 Space Tracking and Communications Center, JAXA.  Observers S. Urakawa, T.
    Fujiwara.  1.0-m f/3.0 reflector + CCD.
Z80 Northolt Branch Observatory.  Observer G. Wells.  Measurers G. Wells, D.
    Bamberger.  0.25-m f/8.0 Ritchey-Chretien + CCD.
Z99 Clixby Observatory, Cleethorpes.  Observer A. Mickleburgh.  0.36-m f/8
    Schmidt-Cassegrain + CCD.

Orbital elements:
2021 XN3                                                 Earth MOID = 0.0070 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M  63.09903              (2000.0)            P               Q                  
n   0.64207004     Peri.  289.98992     +0.97855780     -0.01110271             
a   1.3307029      Node    71.08950     +0.10523700     +0.88532440             
e   0.4089304      Incl.   12.55680     -0.17705879     +0.46484130             
P   1.54           H   23.50          G   0.15           U   7                  
Residuals in seconds of arc
211206 703  0.3+  0.1-    211206 Z99  0.7-  0.6+    211206 033  0.1-  0.1-
211206 703  0.5-  0.5+    211206 L01  0.1-  0.1-    211207 Z80  0.1+  0.5+
211206 703  0.7-  0.0     211206 Z99  0.4-  0.7+    211207 Z80  0.0   0.2-
211206 I52  0.0   0.0     211206 L01  0.2-  0.0     211207 Z80  0.1+  0.3+
211206 I52  0.0   0.1-    211206 Z99  0.4-  0.7+    211207 204  0.1-  0.0
211206 I52  0.1+  0.0     211206 Z99  0.4-  0.7+    211207 204  0.1-  0.1-
211206 I52  0.2+  0.1-    211206 L01  0.3-  0.0     211207 204  0.0   0.0
211206 J95  0.4+  0.3-    211206 L01  0.2-  0.1+    211207 P93  0.0   0.0
211206 J95  0.1+  0.4-    211206 L01  0.1-  0.1-    211207 P93  0.3+  0.4-
211206 J95  0.0   0.0     211206 L01  0.2-  0.2-    211207 P93  0.1-  0.1+
211206 J95  0.0   0.1+    211206 033  0.1+  0.1+
211206 Z99  0.4-  0.7+    211206 033  0.1+  0.3+

Ephemeris:
2021 XN3                 a,e,i = 1.33, 0.41, 13                  q = 0.7865
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 07    16 08 05.0 -49 53 11   0.2062  0.8367    37.4   134.0    25.8
...
2021 11 22    15 32 30.2 -47 54 23   0.08847 0.9106    28.1   149.3    26.3
...
2021 11 30    14 03 41.1 -29 26 57   0.03366 0.9581    32.4   146.5    23.9
...
2021 12 06    10 17 26.5 +46 07 24   0.02788 0.9959   111.4    67.1    18.1
2021 12 07    09 30 49.5 +52 17 53   0.03310 1.0024   120.3    58.1    18.2
2021 12 08    08 49 38.7 +55 49 43   0.03902 1.0088   126.5    51.7    18.4
...
2021 12 14    06 37 43.8 +59 25 40   0.07998 1.0482   141.5    35.7    19.6
...
2021 12 22    05 45 59.7 +57 44 09   0.1393  1.1015   145.6    30.3    20.7
...
2022 01 06    05 22 58.9 +54 14 56   0.2603  1.2011   142.8    29.7    22.3

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X147




More information about the Iaude mailing list