[Iaude] MPEC X117: 2020 XH3 [a=1.76,e=0.31,i=24.8,H=20.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 11 14:00:07 EST 2020


M.P.E.C. 2020-X117                            Issued 2020 December 11, 18:58 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

                                    2020 XH3                                    


Observations:
     K20X03H* C2020 12 09.32346101 51 35.540+32 46 37.52         20.46wUEX117F51
     K20X03H  C2020 12 09.33550501 51 37.863+32 45 49.69         20.35wUEX117F51
     K20X03H  C2020 12 09.34756101 51 40.184+32 45 01.89         20.40wUEX117F51
     K20X03H  C2020 12 09.35969601 51 42.523+32 44 13.56         20.35wUEX117F51
     K20X03H KC2020 12 10.03072701 53 59.12 +32 00 10.1                uEX117H21
     K20X03H KC2020 12 10.03364001 53 59.67 +31 59 58.7                uEX117H21
     K20X03H KC2020 12 10.03800801 54 00.51 +31 59 41.9          20.4 VuEX117H21
     K20X03H KC2020 12 10.04256901 54 01.41 +31 59 24.1          20.3 VuEX117H21
     K20X03H KC2020 12 10.06899 01 54 06.70 +31 57 41.1          20.5  VEX117734
     K20X03H KC2020 12 10.07438 01 54 07.70 +31 57 19.7          20.6  VEX117734
     K20X03H KC2020 12 10.08517 01 54 09.75 +31 56 38.1          20.4  VEX117734
     K20X03H 1C2020 12 10.11378 01 54 15.75 +31 54 41.8                LEX117658
     K20X03H 1C2020 12 10.11572 01 54 16.13 +31 54 34.4                LEX117658
     K20X03H 1C2020 12 10.11765 01 54 16.49 +31 54 27.1                LEX117658
     K20X03H 1C2020 12 10.11958 01 54 16.87 +31 54 19.3                LEX117658
     K20X03H 1C2020 12 10.12150 01 54 17.22 +31 54 11.9                LEX117658
     K20X03H KC2020 12 10.12968301 54 18.52 +31 53 46.2          20.5 VqEX117858
     K20X03H KC2020 12 10.13528701 54 19.60 +31 53 24.6          20.3 VqEX117858
     K20X03H KC2020 12 10.14085601 54 20.66 +31 53 02.9          20.3 VqEX117858
     K20X03H  C2020 12 10.37183901 55 05.787+31 38 07.80         20.41wUEX117F51
     K20X03H  C2020 12 10.38349801 55 07.992+31 37 22.13         20.39wUEX117F51
     K20X03H  C2020 12 10.39512501 55 10.204+31 36 36.47         20.40wUEX117F51
     K20X03H  C2020 12 10.40683901 55 12.438+31 35 50.38         20.52wUEX117F51
     K20X03H KC2020 12 10.96729201 57 03.34 +30 59 34.0          20.2 GVEX117L01
     K20X03H KC2020 12 10.96886901 57 03.65 +30 59 27.8          20.2 GVEX117L01
     K20X03H KC2020 12 10.97044001 57 03.93 +30 59 21.6          20.3 GVEX117L01
     K20X03H KC2020 12 10.97279401 57 04.38 +30 59 12.5          20.2 GVEX117L01
     K20X03H 1C2020 12 11.74312 01 59 36.26 +30 10 10.2          20.6 VVEX117033
     K20X03H 1C2020 12 11.74462 01 59 36.47 +30 10 05.5          21.2 VVEX117033
     K20X03H KC2020 12 11.76398701 59 40.50 +30 08 55.0          19.7 GVEX117B49
     K20X03H KC2020 12 11.77245401 59 42.04 +30 08 22.8          19.8 GVEX117B49

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
    Hoegner, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
658 Dominion Astrophysical Observatory.  Observer D. D. Balam.  Measurers D.
    D. Balam, D. W. E. Green, C. E. Spratt.  1.82-m reflector + CCD.
734 Farpoint Observatory, Eskridge.  Observers G. Hug, D. Cromer, D. Goodin,
    R. Valentine.  Measurer G. Hug.  0.7-m reflector + CCD.
858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m Schmidt-
    Cassegrain + CCD.
B49 Paus Observatory, Sabadell.  Observer J. Camarasa.  0.30-m f/4 reflector +
    CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
    Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
    Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
    R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
    astrograph + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
2020 XH3                                                 Earth MOID = 0.3180 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M  22.84407              (2000.0)            P               Q
n   0.42174758     Peri.  128.78159     +0.80772096     -0.42074141
a   1.7610336      Node   259.75053     +0.31984815     +0.90117754
e   0.3059633      Incl.   24.81506     +0.49526156     +0.10419078
P   2.34           H   20.5           G   0.15           U   7
Residuals in seconds of arc
201209 F51  0.0   0.0     201210 658  0.1-  0.1-    201210 F51  0.0   0.1-
201209 F51  0.1+  0.0     201210 658  0.1-  0.0     201210 L01  0.1+  0.2+
201209 F51  0.1+  0.1+    201210 658  0.2-  0.2+    201210 L01  0.2+  0.1+
201209 F51  0.0   0.0     201210 658  0.2-  0.1-    201210 L01  0.0   0.0
201210 H21  0.1-  0.1+    201210 658  0.4-  0.1-    201210 L01  0.1-  0.1+
201210 H21  0.3-  0.0     201210 858  0.2-  0.1-    201211 033  0.1+  0.4-
201210 H21  0.2-  0.2+    201210 858  0.0   0.2+    201211 033  0.9-  0.5+
201210 H21  0.1+  0.1+    201210 858  0.0   0.1+    201211 B49  0.8+  0.2+
201210 734  0.5+  0.1-    201210 F51  0.0   0.1-    201211 B49  0.3+  0.1-
201210 734  0.0   0.5-    201210 F51  0.0   0.0
201210 734  0.2-  0.2-    201210 F51  0.0   0.0

Ephemeris:
2020 XH3                 a,e,i = 1.76, 0.31, 25                  q = 1.2222
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 11    23 41 25.9 +61 53 36   0.3701  1.2321   123.2    42.3    20.4
...
2020 11 26    00 59 21.7 +47 58 24   0.3500  1.2546   133.7    34.6    20.1
...
2020 12 04    01 32 31.7 +38 47 50   0.3603  1.2714   136.5    32.2    20.2
...
2020 12 10    01 53 52.2 +32 02 17   0.3793  1.2860   136.3    31.9    20.3
2020 12 11    01 57 10.6 +30 57 40   0.3834  1.2886   136.1    32.0    20.3
2020 12 12    02 00 25.2 +29 54 11   0.3878  1.2912   135.8    32.1    20.4
...
2020 12 18    02 18 40.9 +24 01 15   0.4193  1.3079   133.4    33.2    20.6
...
2020 12 26    02 40 27.9 +17 35 29   0.4736  1.3321   128.8    35.1    20.9
...
2021 01 10    03 16 08.3 +09 37 39   0.6045  1.3831   119.2    38.4    21.6

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X117




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