[Iaude] MPEC X171: 2020 XL5 [a=1.01,e=0.39,i=13.9,H=20.0]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 14 13:10:31 EST 2020


M.P.E.C. 2020-X171                            Issued 2020 December 14, 18:09 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 XL5                                    


Observations:
     K20X05L  C2020 11 26.50737 10 36 54.73 -07 19 08.4          22.4 GVEX171G96
     K20X05L  C2020 11 26.51247 10 36 55.86 -07 19 13.8          22.3 GVEX171G96
     K20X05L  C2020 11 26.52264 10 36 58.04 -07 19 25.2          20.5 GVEX171G96
     K20X05L* C2020 12 12.61775711 44 21.721-12 42 10.52         21.43wUEX171F51
     K20X05L  C2020 12 12.62981111 44 25.169-12 42 25.53         21.62wUEX171F51
     K20X05L  C2020 12 12.64178711 44 28.578-12 42 40.33         21.52wUEX171F51
     K20X05L bC2020 12 13.14916611 46 56.32 -12 53 06.3          21.6 GVEX171L01
     K20X05L bC2020 12 13.15395911 46 57.69 -12 53 12.3          21.5 GVEX171L01
     K20X05L bC2020 12 13.16688411 47 01.42 -12 53 28.9          21.7 GVEX171L01
     K20X05L bC2020 12 13.17885511 47 04.90 -12 53 43.5          21.6 GVEX171L01
     K20X05L 2C2020 12 13.22256011 47 17.870-12 54 34.91         20.9 GVEX171J04
     K20X05L 2C2020 12 13.23228711 47 20.682-12 54 47.34         20.7 GVEX171J04
     K20X05L 2C2020 12 14.23504811 52 17.362-13 15 16.75         21.6 GVEX171J04
     K20X05L |C2020 12 14.32578 11 52 44.70 -13 16 55.1          21.7 VuEX171807
     K20X05L |C2020 12 14.33399 11 52 47.15 -13 17 05.0          21.6 VuEX171807
     K20X05L |C2020 12 14.34221 11 52 49.62 -13 17 15.3          21.7 VuEX171807

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    0.61-m f/6.5 astrograph + 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.
G96 Mt. Lemmon Survey.  Observer D. C. Fuls.  Measurers E. J. Christensen, B.
    Gray, D. Rankin, F. C. Shelly.  1.5-m reflector + 10K CCD.
J04 ESA Optical Ground Station, Tenerife.  Observers D. Abreu, P. Ruiz.
    Measurers M. Micheli, D. Koschny, L. Conversi, R. Kresken, A. Knofel, M.
    Busch, E. Schwab.  1.0-m f/4.4 reflector + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, D. Pujagic.  Measurer
    K. Korlevic.  1.0-m f/2.9 reflector + CCD.

Orbital elements:
2020 XL5                                                 Earth MOID = 0.0701 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Pike                    
M 284.12700              (2000.0)            P               Q                  
n   0.96964316     Peri.   86.99919     -0.47359006     +0.87434720             
a   1.0109463      Node   153.88870     -0.87301598     -0.45011851             
e   0.3899415      Incl.   13.93229     -0.11642830     -0.18141199             
P   1.02           H   20.08          G   0.15           U   9                  
Residuals in seconds of arc
201126 G96  0.2-  0.5-    201213 L01  0.6+  1.1+    201214 J04  0.2-  0.0+
201126 G96  0.2+  0.0+    201213 L01  0.4+  1.0+    201214 807  0.4-  0.2-
201126 G96  0.0+  0.4+    201213 L01  0.3+  0.3+    201214 807  0.1-  0.0+
201212 F51  0.1-  0.1+    201213 L01  0.6+  0.5+    201214 807  0.5+  0.1-
201212 F51  0.1+  0.0-    201213 J04  0.2-  0.0-
201212 F51  0.0+  0.0-    201213 J04  0.1-  0.4-

Ephemeris:
2020 XL5                 a,e,i = 1.01, 0.39, 14                  q = 0.6167
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 14    09 54 46.7 -03 30 00   0.9416  1.2424    80.1    51.7    22.3
...
2020 11 29    10 46 11.1 -08 07 18   0.8003  1.1699    81.1    56.4    22.0
...
2020 12 07    11 18 38.1 -10 47 08   0.7311  1.1258    80.5    59.7    21.8
...
2020 12 13    11 46 12.2 -12 49 52   0.6837  1.0905    79.4    62.5    21.7
2020 12 14    11 51 06.7 -13 10 19   0.6763  1.0844    79.2    63.1    21.6
2020 12 15    11 56 07.0 -13 30 43   0.6690  1.0782    78.9    63.6    21.6
...
2020 12 21    12 28 18.7 -15 30 25   0.6290  1.0404    76.9    67.1    21.5
...
2020 12 29    13 17 29.6 -17 53 24   0.5874  0.9872    73.0    72.3    21.4
...
2021 01 13    15 07 12.1 -20 17 27   0.5599  0.8813    62.8    82.9    21.4

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X171




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