[Iaude] MPEC X52: 2020 XG1 [a=1.29,e=0.30,i=51.0,H=21.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 7 11:16:15 EST 2020


M.P.E.C. 2020-X52                              Issued 2020 December 7, 16:15 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 XG1                                    


Observations:
     K20X01G* C2020 12 05.43679505 23 00.29 +10 26 13.5          20.43GVEX052G96
     K20X01G  C2020 12 05.44191205 22 58.07 +10 26 51.9          19.25GVEX052G96
     K20X01G  C2020 12 05.44703605 22 55.79 +10 27 31.3          20.01GVEX052G96
     K20X01G  C2020 12 05.45215105 22 53.52 +10 28 10.6          20.05GVEX052G96
     K20X01G mC2020 12 05.46750605 22 46.78 +10 30 07.9          19.86GVEX052I52
     K20X01G mC2020 12 05.46792605 22 46.63 +10 30 11.4          20.09GVEX052I52
     K20X01G mC2020 12 05.46834705 22 46.41 +10 30 14.4          20.06GVEX052I52
     K20X01G mC2020 12 05.46876805 22 46.23 +10 30 18.1          20.06GVEX052I52
     K20X01G KC2020 12 05.51210 05 22 27.28 +10 35 50.2          19.8 RoEX052691
     K20X01G KC2020 12 05.52649 05 22 21.00 +10 37 40.9          20.3 RoEX052691
     K20X01G KC2020 12 06.14914 05 17 48.09 +11 58 59.5          19.6 GVEX052W34
     K20X01G KC2020 12 06.16093 05 17 42.59 +12 00 34.0          19.6 GVEX052W34
     K20X01G KC2020 12 06.16323005 17 41.58 +12 00 50.0          19.8 VuEX052H21
     K20X01G KC2020 12 06.16613405 17 40.26 +12 01 13.6          19.8 VuEX052H21
     K20X01G KC2020 12 06.17236 05 17 37.26 +12 02 06.4          19.2 GVEX052W34
     K20X01G mC2020 12 06.21906105 17 16.44 +12 08 19.4          19.39GVEX052I52
     K20X01G mC2020 12 06.21948005 17 16.22 +12 08 22.6          19.52GVEX052I52
     K20X01G mC2020 12 06.21990005 17 16.03 +12 08 26.1          19.44GVEX052I52
     K20X01G mC2020 12 06.22032005 17 15.84 +12 08 29.2          19.36GVEX052I52
     K20X01G KC2020 12 06.24802 05 17 02.84 +12 12 07.5          19.0 GVEX052V01
     K20X01G KC2020 12 06.31733 05 16 30.40 +12 21 24.0          19.6 GVEX052V01
     K20X01G HC2020 12 07.15168005 09 57.44 +14 15 27.9                VEX052I52
     K20X01G HC2020 12 07.15192605 09 57.35 +14 15 30.5                VEX052I52
     K20X01G HC2020 12 07.15217205 09 57.15 +14 15 32.6                VEX052I52
     K20X01G HC2020 12 07.15241705 09 57.08 +14 15 33.3                VEX052I52
     K20X01G KC2020 12 07.23727 05 09 14.73 +14 27 23.8          19.5 GVEX052V01
     K20X01G KC2020 12 07.27171 05 08 57.40 +14 32 13.5          25.0 GVEX052V01

Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch.  Observer T. H. Bressi.  0.9-m
    f/3 reflector + CCD.
G96 Mt. Lemmon Survey.  Observer T. A. Pruyne.  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.
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.
V01 Mountainville Observatory, Alpine.  Observer B. Sheets.  0.36-m reflector
    + CCD.
W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.36-m
    Schmidt-Cassegrain + CCD.

Orbital elements:
2020 XG1                                                 Earth MOID = 0.1118 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M 302.11423              (2000.0)            P               Q
n   0.66919644     Peri.   96.93296     -0.63542571     -0.14671660
a   1.2944948      Node    77.15321     -0.28767119     -0.86612462
e   0.3006218      Incl.   51.03762     +0.71657481     -0.47780999
P   1.47           H   21.7           G   0.15           U   9
Residuals in seconds of arc
201205 G96  0.2+  0.2+    201205 691  0.1+  0.6+    201206 I52  0.1+  0.3-
201205 G96  0.6+  0.5-    201206 W34  0.5+  0.6-    201206 V01  0.2-  0.1+
201205 G96  0.2+  0.2-    201206 W34  0.0   0.3-    201206 V01  0.0   0.1+
201205 G96  0.2-  0.1-    201206 H21  0.7-  0.2-    201207 I52  0.2+  0.2-
201205 I52  0.3-  0.2-    201206 H21  0.4-  0.2+    201207 I52  0.7+  0.3+
201205 I52  0.2+  0.1+    201206 W34  0.3-  0.8+    201207 I52  0.4-  0.4+
201205 I52  0.3-  0.2-    201206 I52  0.3+  0.0     201207 I52  0.3+  1.0-
201205 I52  0.2-  0.3+    201206 I52  0.0   0.2-    201207 V01  0.1+  0.4+
201205 691  0.0   0.2+    201206 I52  0.0   0.1-    201207 V01  0.6-  0.2+

Ephemeris:
2020 XG1                 a,e,i = 1.29, 0.30, 51                  q = 0.9053
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 07    06 43 40.2 -15 09 02   0.6267  1.3723   114.2    41.2    23.0
...
2020 11 22    06 23 04.6 -08 07 06   0.4152  1.3069   133.1    33.5    21.8
...
2020 11 30    05 54 57.5 +00 40 22   0.3176  1.2704   149.6    23.1    20.8
...
2020 12 06    05 18 54.6 +11 39 24   0.2623  1.2425   167.3    10.1    19.9
2020 12 07    05 11 09.6 +13 54 31   0.2554  1.2378   170.5     7.5    19.7
2020 12 08    05 02 49.9 +16 15 59   0.2493  1.2331   173.5     5.2    19.6
...
2020 12 14    03 59 41.5 +31 27 24   0.2326  1.2047   159.2    16.9    19.8
...
2020 12 22    02 09 14.5 +46 37 57   0.2641  1.1666   128.5    41.3    20.8
...
2021 01 06    23 34 42.5 +52 32 28   0.4096  1.0959    94.7    63.4    22.2

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X52




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