[Iaude] MPEC X154: 2020 XV4 [a=1.27,e=0.45,i=2.1,H=25.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Dec 13 19:34:48 EST 2020


M.P.E.C. 2020-X154                            Issued 2020 December 14, 00:33 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 XV4                                    


Observations:
     K20X04V* C2020 12 12.34620405 50 30.15 -24 29 49.5          19.51GVEX154G96
     K20X04V  C2020 12 12.35308205 50 24.21 -24 24 43.3          18.73GVEX154G96
     K20X04V  C2020 12 12.35859905 50 19.52 -24 20 36.5          18.89GVEX154G96
     K20X04V  C2020 12 12.38176 05 49 59.67 -24 03 23.6          18.8 GVEX154703
     K20X04V  C2020 12 12.39775 05 49 46.33 -23 51 37.5          19.1 GVEX154703
     K20X04V KC2020 12 12.39861805 49 45.71 -23 50 58.7          18.15GVEX154I52
     K20X04V KC2020 12 12.40000805 49 44.55 -23 49 57.8          18.27GVEX154I52
     K20X04V KC2020 12 12.40139505 49 43.42 -23 48 56.3          18.34GVEX154I52
     K20X04V KC2020 12 12.40279305 49 42.25 -23 47 56.0          17.98GVEX154I52
     K20X04V KC2020 12 12.58937505 47 44.23 -21 31 03.3          18.3 GVEX154474
     K20X04V KC2020 12 12.58991505 47 43.83 -21 30 41.8          18.6 GVEX154474
     K20X04V KC2020 12 12.59018505 47 43.62 -21 30 31.1          18.7 GVEX154474
     K20X04V KC2020 12 12.59072605 47 43.25 -21 30 08.9          18.7 GVEX154474
     K20X04V KC2020 12 12.91119505 44 53.65 -18 18 41.2          19.1 GVEX154L01
     K20X04V KC2020 12 12.91408705 44 51.87 -18 17 02.3          19.1 GVEX154L01
     K20X04V KC2020 12 12.91570505 44 50.88 -18 16 06.5          19.1 GVEX154L01
     K20X04V KC2020 12 12.91757505 44 49.74 -18 15 02.2          19.0 GVEX154L01
     K20X04V KC2020 12 13.60438005 39 43.01 -12 27 43.2          19.2 GVEX154474
     K20X04V KC2020 12 13.60569505 39 42.44 -12 27 09.4          18.9 GVEX154474
     K20X04V KC2020 12 13.60700705 39 41.86 -12 26 36.0          19.0 GVEX154474
     K20X04V KC2020 12 13.60766405 39 41.60 -12 26 18.8          19.3 GVEX154474
     K20X04V  C2020 12 13.78220 05 38 45.94 -11 20 45.4          19.3 GVEX154N88
     K20X04V  C2020 12 13.78255 05 38 45.83 -11 20 35.4          18.8 GVEX154N88
     K20X04V  C2020 12 13.78288 05 38 45.65 -11 20 27.5          18.8 GVEX154N88
     K20X04V  C2020 12 13.78322 05 38 45.51 -11 20 20.1          19.2 GVEX154N88
     K20X04V  C2020 12 13.78355 05 38 45.38 -11 20 12.4          19.1 GVEX154N88
     K20X04V KC2020 12 13.90481 05 38 12.62 -10 33 16.6          18.8 GVEX154595
     K20X04V KC2020 12 13.91931 05 38 06.95 -10 27 50.3          19.0 GVEX154595
     K20X04V KC2020 12 13.92667 05 38 04.16 -10 25 04.5          19.1 GVEX154595
     K20X04V KC2020 12 13.98155905 37 43.72 -10 04 36.3          18.2 GVEX154K63
     K20X04V KC2020 12 13.98391905 37 42.86 -10 03 45.8          18.5 GVEX154K63
     K20X04V KC2020 12 13.98695505 37 41.70 -10 02 39.4          18.2 GVEX154K63

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.
595 Farra d'Isonzo.  Observers S. Aschi, E. Pettarin.  Measurer S. Aschi.
    0.40-m f/5.15 reflector + CCD.
703 Catalina Sky Survey.  Observer R. A. Kowalski.  Measurers D. Rankin, B.
    Gray, F. C. Shelly.  1.5-m reflector + 10K CCD.
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  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.
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, T. A. Pruyne, D.
    Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m reflector +
    CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.  0.4-m
    f/3.2 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, D. Pujagic.  Measurer
    D. Pujagic.  1.0-m f/2.9 reflector + CCD.
N88 Xingming Observatory #3, Nanshan.  Observer X. Gao.  Measurer Q.-Z. Ye.
    0.6-m f/8 Ritchey-Chretien + CCD.

Orbital elements:
2020 XV4                                                 Earth MOID = 0.0162 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M  42.64412              (2000.0)            P               Q
n   0.69198973     Peri.  120.68791     +0.99004206     +0.13787080
a   1.2659103      Node   231.40271     -0.13837008     +0.91594588
e   0.4475920      Incl.    2.08480     -0.02589290     +0.37687504
P   1.42           H   25.2           G   0.15           U   7
Residuals in seconds of arc
201212 G96 (0.5-  3.4+)   201212 474  0.2-  0.2-    201213 N88  0.5+  0.5+
201212 G96  0.2-  0.8+    201212 474  0.1+  0.3+    201213 N88  0.2-  0.5+
201212 G96  0.8+  0.4+    201212 L01  0.0   0.4+    201213 N88  0.2-  0.2-
201212 703  0.6-  0.7+    201212 L01  0.2-  0.2-    201213 N88  0.1-  0.4-
201212 703  0.6-  0.9-    201212 L01  0.2-  0.0     201213 595  0.0   0.2-
201212 I52  0.5+  0.2-    201212 L01  0.3-  0.1+    201213 595  0.8-  0.9-
201212 I52  0.3+  0.6-    201213 474  0.3-  0.1+    201213 595  0.1+  0.5-
201212 I52  0.5+  0.3-    201213 474  0.3-  0.1+    201213 K63 (0.3+  2.7+)
201212 I52 (0.2+  1.6-)   201213 474  0.4-  0.2-    201213 K63  0.9+  1.2+
201212 474  0.1+  0.1+    201213 474  0.0   0.2+    201213 K63  0.9+  0.9+
201212 474  0.0   0.1-    201213 N88  0.1-  1.2-

Ephemeris:
2020 XV4                 a,e,i = 1.27, 0.45, 2                   q = 0.6993
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 14    17 04 00.1 -21 52 26   0.2182  0.7975    25.3   148.0    29.5
...
2020 11 29    17 04 46.1 -28 02 12   0.08857 0.8999    12.0   166.8    34.0
...
2020 12 07    16 32 20.7 -50 58 18   0.02900 0.9598    28.7   150.5    25.9
...
2020 12 13    05 44 03.3 -17 24 21   0.02780 1.0056   139.1    39.9    19.0
2020 12 14    05 37 38.8 -09 54 46   0.03438 1.0133   146.8    32.2    19.3
2020 12 15    05 33 31.0 -04 51 44   0.04138 1.0209   151.9    27.0    19.5
...
2020 12 21    05 23 52.3 +07 29 13   0.08682 1.0667   162.2    16.4    20.9
...
2020 12 29    05 21 19.3 +12 20 53   0.1517  1.1270   159.9    17.4    22.3
...
2021 01 13    05 25 01.0 +15 50 38   0.2861  1.2356   148.0    24.9    24.1

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X154




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