[Iaude] MPEC X112: 2020 XC3 [a=2.08,e=0.52,i=21.4,H=22.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 11 11:31:21 EST 2020


M.P.E.C. 2020-X112                            Issued 2020 December 11, 16:30 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 XC3                                    


Observations:
     K20X03C* C2020 12 09.10367200 29 47.97 -17 28 33.3          20.25GVEX112G96
     K20X03C  C2020 12 09.10932700 29 48.74 -17 27 06.7          19.93GVEX112G96
     K20X03C  C2020 12 09.11497500 29 49.51 -17 25 40.8          19.95GVEX112G96
     K20X03C  C2020 12 09.12062200 29 50.24 -17 24 14.9          20.08GVEX112G96
     K20X03C KC2020 12 09.19979300 30 00.99 -17 04 00.3          20.01GVEX112I52
     K20X03C KC2020 12 09.20078200 30 01.11 -17 03 44.7          19.43GVEX112I52
     K20X03C KC2020 12 09.20176900 30 01.30 -17 03 29.9          19.91GVEX112I52
     K20X03C KC2020 12 09.20275500 30 01.41 -17 03 15.3          19.53GVEX112I52
     K20X03C KC2020 12 09.47556200 30 45.74 -15 51 17.6          19.7 GVEX112474
     K20X03C KC2020 12 09.47737900 30 45.98 -15 50 49.6          20.2 GVEX112474
     K20X03C |C2020 12 10.05703 00 32 24.19 -13 18 18.2          20.0 VuEX112807
     K20X03C |C2020 12 10.06006 00 32 24.66 -13 17 29.6          19.6 VuEX112807
     K20X03C |C2020 12 10.06310 00 32 25.10 -13 16 41.3          19.9 VuEX112807
     K20X03C  C2020 12 10.21580200 32 53.399-12 36 48.24         19.91wUEX112F52
     K20X03C  C2020 12 10.22735000 32 54.975-12 33 41.22         20.26wUEX112F52
     K20X03C  C2020 12 10.23890000 32 56.550-12 30 33.72         19.94wUEX112F52
     K20X03C  C2020 12 10.25043200 32 58.095-12 27 27.60         19.85wUEX112F52
     K20X03C KC2020 12 10.62380 00 34 00.58 -10 46 03.6          19.6 GVEX112N88
     K20X03C KC2020 12 10.62426 00 34 00.54 -10 45 54.9          20.5 GVEX112N88
     K20X03C KC2020 12 10.99664 00 35 07.15 -09 02 38.4          19.4 GVEX112W34
     K20X03C KC2020 12 11.00448 00 35 08.31 -09 00 27.2          19.4 GVEX112W34
     K20X03C KC2020 12 11.01279 00 35 09.45 -08 58 08.8          19.4 GVEX112W34
     K20X03C KC2020 12 11.04923300 35 15.21 -08 48 01.6          20.1 VuEX112H21
     K20X03C KC2020 12 11.05122300 35 15.50 -08 47 28.3          20.3 VuEX112H21
     K20X03C KC2020 12 11.05328300 35 15.79 -08 46 53.7          20.3 VuEX112H21

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
    Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    0.61-m f/6.5 astrograph + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Dukes, 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.
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, T. A. Pruyne, 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 S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
    astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer D. Rankin.  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, T. A. Pruyne, D.
    Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m reflector +
    CCD.
N88 Xingming Observatory #3, Nanshan.  Observer X. Gao.  Measurer Q.-Z. Ye.
    0.6-m f/8 Ritchey-Chretien + CCD.
W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.36-m
    Schmidt-Cassegrain + CCD.

Orbital elements:
2020 XC3                                                 Earth MOID = 0.0366 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M   6.80115              (2000.0)            P               Q
n   0.32835529     Peri.  339.01641     +0.54079336     -0.76264000
a   2.0808464      Node    76.59530     +0.81434435     +0.36902334
e   0.5191005      Incl.   21.39491     +0.21067942     +0.53122689
P   3.00           H   22.4           G   0.15           U   7
Residuals in seconds of arc
201209 G96  0.0   0.3-    201209 474  0.5-  0.2-    201210 N88  0.0   0.6+
201209 G96  0.2+  0.1+    201210 807  0.4-  0.3+    201210 W34  0.0   0.3+
201209 G96  0.4+  0.1-    201210 807  0.3+  0.1+    201211 W34  0.4+  0.3+
201209 G96  0.0   0.4-    201210 807  0.5+  0.6-    201211 W34  0.5-  0.5-
201209 I52  0.2-  0.3+    201210 F52  0.1+  0.2-    201211 H21  0.0   0.0
201209 I52  0.5-  0.7+    201210 F52  0.1+  0.0     201211 H21  0.0   0.1-
201209 I52  0.3+  0.3+    201210 F52  0.2+  0.4+    201211 H21  0.1-  0.1-
201209 I52  0.1-  0.3-    201210 F52  0.2-  0.5-
201209 474  0.0   0.2+    201210 N88 (1.6+  0.5-)

Ephemeris:
2020 XC3                 a,e,i = 2.08, 0.52, 21                  q = 1.0007
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 11    23 31 41.0 -66 17 11   0.2869  1.0183    87.4    76.2    22.4
...
2020 11 26    23 58 54.8 -52 23 17   0.1830  1.0007    89.0    80.4    21.5
...
2020 12 04    00 16 44.5 -35 35 47   0.1327  1.0052    94.7    77.7    20.7
...
2020 12 10    00 32 16.2 -13 34 11   0.1076  1.0149   103.3    70.8    20.1
2020 12 11    00 35 06.6 -09 00 58   0.1053  1.0171   105.0    69.3    20.0
2020 12 12    00 38 02.2 -04 17 02   0.1037  1.0193   106.8    67.7    19.9
...
2020 12 18    00 57 46.6 +24 14 48   0.1097  1.0358   115.4    59.1    19.8
...
2020 12 26    01 31 35.1 +50 16 19   0.1505  1.0649   119.2    53.7    20.4
...
2021 01 10    03 03 46.9 +68 28 17   0.2661  1.1378   119.4    48.9    21.6

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X112




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