[Iaude] MPEC X153: 2021 XU3 [a=1.46,e=0.29,i=29.1,H=21.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Dec 8 04:37:31 EST 2021


M.P.E.C. 2021-X153                             Issued 2021 December 8, 09:36 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 XU3                                    


Observations:
     K21X03U* C2021 12 06.28594708 44 09.88 +27 26 22.7          19.25GVEX153703
     K21X03U  C2021 12 06.29137108 44 10.15 +27 27 14.2                VEX153703
     K21X03U  C2021 12 06.29679508 44 10.29 +27 28 05.7          21.17GVEX153703
     K21X03U  C2021 12 06.30221408 44 10.45 +27 28 58.0          20.41GVEX153703
     K21X03U mC2021 12 06.38425608 44 13.64 +27 41 54.2          19.95GVEX153I52
     K21X03U mC2021 12 06.38564508 44 13.67 +27 42 07.7          19.64GVEX153I52
     K21X03U mC2021 12 06.38703408 44 13.74 +27 42 20.6          19.51GVEX153I52
     K21X03U mC2021 12 06.38842308 44 13.80 +27 42 33.4          19.50GVEX153I52
     K21X03U bC2021 12 06.95593408 44 42.63 +29 10 58.5          20.8 GVEX153L01
     K21X03U bC2021 12 06.95696808 44 42.83 +29 11 00.7          19.7 GVEX153J95
     K21X03U KC2021 12 06.95766708 44 42.72 +29 11 15.5          20.6 GVEX153L01
     K21X03U KC2021 12 06.95939508 44 42.84 +29 11 31.6          20.7 GVEX153L01
     K21X03U KC2021 12 06.96133208 44 42.86 +29 11 50.2          20.7 GVEX153L01
     K21X03U MC2021 12 06.96284208 44 42.93 +29 12 04.3          20.8 GVEX153L01
     K21X03U KC2021 12 06.96379108 44 43.08 +29 12 05.0          19.6 GVEX153J95
     K21X03U KC2021 12 06.97097208 44 43.38 +29 13 13.1          19.7 GVEX153J95
     K21X03U 1C2021 12 07.07865 08 44 47.20 +29 30 07.9          19.3 VVEX153033
     K21X03U 1C2021 12 07.07980 08 44 47.23 +29 30 18.7          19.4 VVEX153033
     K21X03U 1C2021 12 07.08095 08 44 47.27 +29 30 29.5          19.3 VVEX153033
     K21X03U 1C2021 12 07.89137 08 45 26.44 +31 35 55.2          21.6 VVEX153033
     K21X03U 1C2021 12 07.89229 08 45 26.45 +31 36 04.1          21.2 VVEX153033
     K21X03U KC2021 12 07.97713908 45 29.95 +31 49 19.6          19.7 GXEX153595
     K21X03U KC2021 12 07.99721108 45 30.62 +31 52 26.6          19.8 GXEX153595
     K21X03U  C2021 12 08.26164908 45 43.20 +32 33 07.5          19.6 GVEX153H01
     K21X03U  C2021 12 08.26485508 45 43.29 +32 33 37.1          20.2 GVEX153H01
     K21X03U mC2021 12 08.32941708 45 45.49 +32 43 38.4                VEX153I52
     K21X03U mC2021 12 08.33890808 45 45.85 +32 45 06.3          19.96GVEX153I52
     K21X03U mC2021 12 08.33932808 45 45.86 +32 45 10.3          19.96GVEX153I52
     K21X03U mC2021 12 08.33974708 45 45.88 +32 45 14.0          19.84GVEX153I52

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.
595 Farra d'Isonzo.  Observer E. Pettarin.  0.61-m f/4.5 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.
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.  Observers D. C. Fuls, 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.
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.

Orbital elements:
2021 XU3                                                 Earth MOID = 0.1124 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Bell                    
M  51.70032              (2000.0)            P               Q                  
n   0.55957758     Peri.  316.00431     +0.73233690     -0.48582499             
a   1.4584644      Node    79.08333     +0.67686267     +0.59594993             
e   0.2910517      Incl.   29.07325     -0.07442844     +0.63938858             
P   1.76           H   21.90          G   0.15           U   9                  
Residuals in seconds of arc
211206 703  0.6+  0.2-    211206 L01  1.0-  0.8+    211207 033  0.5-  0.3+
211206 703  1.0+  0.2-    211206 L01  0.3-  0.6+    211207 595  0.3+  0.2+
211206 703  0.1-  0.2-    211206 L01  1.1-  0.9+    211207 595  0.3+  0.1+
211206 703  1.0-  0.6+    211206 L01  1.0-  0.8+    211208 H01  0.2+  0.1+
211206 I52  0.1-  0.1-    211206 J95  0.0   0.4-    211208 H01  0.1-  0.2-
211206 I52  0.3-  0.3+    211206 J95  0.2-  0.1-    211208 I52  0.7-  0.2+
211206 I52  0.1-  0.1+    211207 033  0.2+  0.0     211208 I52  0.2+  0.0
211206 I52  0.2+  0.2-    211207 033  0.1+  0.1+    211208 I52  0.3+  0.0
211206 L01  1.2-  0.2+    211207 033  0.1+  0.0     211208 I52  0.4+  0.1-
211206 J95  0.7+  0.3-    211207 033  0.1-  0.0

Ephemeris:
2021 XU3                 a,e,i = 1.46, 0.29, 29                  q = 1.0340
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 08    08 06 32.8 -26 16 01   0.2982  1.0474    92.5    70.9    21.9
...
2021 11 23    08 28 36.9 -04 28 53   0.2202  1.0769   108.2    60.6    20.9
...
2021 12 01    08 38 48.7 +13 43 34   0.1973  1.0985   120.1    51.0    20.5
...
2021 12 07    08 44 42.8 +29 18 02   0.1956  1.1169   128.2    43.9    20.3
2021 12 08    08 45 29.0 +31 53 00   0.1968  1.1201   129.3    42.9    20.3
2021 12 09    08 46 10.9 +34 25 51   0.1984  1.1234   130.2    42.0    20.3
...
2021 12 15    08 48 31.5 +48 27 52   0.2163  1.1440   133.5    38.6    20.4
...
2021 12 23    08 44 34.9 +62 35 10   0.2577  1.1735   132.6    38.1    20.8
...
2022 01 07    07 59 24.2 +76 17 37   0.3659  1.2336   125.8    40.3    21.8

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X153




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