[Iaude] MPEC X24: 2020 XJ [a=1.46,e=0.32,i=9.8,H=25.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Dec 5 23:28:06 EST 2020


M.P.E.C. 2020-X24                              Issued 2020 December 6, 04:26 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 XJ                                     


Observations:
     K20X00J* C2020 12 04.31485603 12 25.61 +38 26 48.1          21.11GVEX024G96
     K20X00J  C2020 12 04.31999303 12 29.66 +38 25 52.6          19.94GVEX024G96
     K20X00J  C2020 12 04.32512903 12 33.74 +38 24 56.8          20.01GVEX024G96
     K20X00J  C2020 12 04.33025303 12 37.79 +38 24 01.9          21.12GVEX024G96
     K20X00J KC2020 12 04.40262603 13 35.56 +38 10 55.8          19.75GVEX024I52
     K20X00J KC2020 12 04.40411703 13 36.76 +38 10 39.9          19.52GVEX024I52
     K20X00J KC2020 12 04.40560603 13 37.99 +38 10 24.0          20.14GVEX024I52
     K20X00J KC2020 12 05.04941103 22 31.13 +36 17 57.6          20.1 VuEX024H21
     K20X00J KC2020 12 05.05232003 22 33.27 +36 17 28.1          20.1 VuEX024H21
     K20X00J KC2020 12 05.05542003 22 35.54 +36 16 56.9          20.2 VuEX024H21
     K20X00J KC2020 12 05.10023103 23 11.36 +36 09 19.8          20.28GVEX024I52
     K20X00J KC2020 12 05.10122003 23 12.07 +36 09 09.4          20.57GVEX024I52
     K20X00J KC2020 12 05.10220703 23 12.81 +36 09 00.0          20.46GVEX024I52
     K20X00J KC2020 12 05.10319603 23 13.57 +36 08 49.8          20.70GVEX024I52
     K20X00J KC2020 12 05.19007 03 24 13.06 +35 53 56.4          19.6 RqEX024H36
     K20X00J KC2020 12 05.20072 03 24 20.54 +35 52 06.0          20.2 RqEX024H36
     K20X00J KC2020 12 05.23348 03 24 43.51 +35 46 24.8          19.4 RqEX024H36
     K20X00J KC2020 12 05.24439 03 24 51.19 +35 44 30.6          19.3 RqEX024H36
     K20X00J KC2020 12 05.26618 03 25 06.48 +35 40 42.2          19.6 RqEX024H36
     K20X00J KC2020 12 06.06493 03 34 46.72 +33 24 32.9          19.6 GVEX024W34
     K20X00J KC2020 12 06.07325 03 34 52.01 +33 23 10.8          19.7 GVEX024W34
     K20X00J KC2020 12 06.08140 03 34 57.25 +33 21 51.2          19.8 GVEX024W34
     K20X00J KC2020 12 06.12650703 35 29.43 +33 14 14.7          19.94GVEX024I52
     K20X00J KC2020 12 06.13001403 35 31.65 +33 13 40.0          20.57GVEX024I52
     K20X00J KC2020 12 06.13198603 35 32.92 +33 13 21.4          19.99GVEX024I52

Observer details:
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.
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.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers D. Rankin, 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.
W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.36-m
    Schmidt-Cassegrain + CCD.

Orbital elements:
2020 XJ                                                  Earth MOID = 0.0561 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M  24.84113              (2000.0)            P               Q
n   0.55892346     Peri.  138.18602     +0.79616281     -0.58148752
a   1.4596021      Node   258.12924     +0.49986689     +0.78789880
e   0.3169699      Incl.    9.84479     +0.34096610     +0.20270113
P   1.76           H   25.2           G   0.15           U   7
Residuals in seconds of arc
201204 G96  0.3+  0.0     201205 H21  0.1-  0.4+    201205 H36  0.3+  0.5-
201204 G96  0.1+  0.2-    201205 I52  0.0   0.4+    201206 W34  0.3-  0.5-
201204 G96  0.3+  0.7-    201205 I52  0.2-  0.1-    201206 W34  0.3-  0.5-
201204 G96  0.1+  0.3-    201205 I52  0.1+  0.5+    201206 W34  0.6+  0.4+
201204 I52  0.5-  0.1-    201205 I52  0.6+  0.2+    201206 I52  0.1-  0.2+
201204 I52  0.5-  0.3+    201205 H36  0.1+  0.1-    201206 I52  0.1-  0.1-
201204 I52  0.1-  0.7+    201205 H36  0.0   0.2-    201206 I52  0.1+  0.6+
201205 H21  0.2-  0.3+    201205 H36  0.3-  0.5-
201205 H21  0.1-  0.2+    201205 H36  0.1+  0.6-

Ephemeris:
2020 XJ                  a,e,i = 1.46, 0.32, 10                  q = 0.9970
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 06    19 40 45.4 +43 03 34   0.1178  0.9974    89.6    83.6    23.5
...
2020 11 21    22 00 51.5 +56 11 48   0.07141 1.0127   108.4    67.8    21.9
...
2020 11 29    01 28 02.9 +52 37 58   0.05920 1.0289   134.7    43.0    20.8
...
2020 12 05    03 21 45.8 +36 27 07   0.06361 1.0442   156.9    21.7    20.4
2020 12 06    03 33 56.5 +33 35 53   0.06555 1.0471   159.8    19.0    20.3
2020 12 07    03 44 42.2 +30 50 55   0.06778 1.0499   162.3    16.6    20.3
...
2020 12 13    04 28 38.0 +17 29 47   0.08635 1.0686   166.4    12.5    20.8
...
2020 12 21    04 58 43.5 +07 21 46   0.1203  1.0967   158.7    19.0    21.8
...
2021 01 05    05 26 56.6 +00 22 48   0.2001  1.1573   147.7    27.0    23.2

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X24




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