[Iaude] MPEC X46: 2020 XB1 [a=2.38,e=0.58,i=2.4,H=26.0]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 7 03:53:29 EST 2020


M.P.E.C. 2020-X46                              Issued 2020 December 7, 08:52 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 XB1                                    


Observations:
     K20X01B* C2020 12 06.27138002 36 11.27 +08 01 15.0          19.02GVEX046G96
     K20X01B  C2020 12 06.27651702 36 23.77 +08 01 25.6          18.97GVEX046G96
     K20X01B  C2020 12 06.28680102 36 48.57 +08 01 45.6          19.84GVEX046G96
     K20X01B KC2020 12 06.30610002 37 35.97 +08 02 23.0          18.19GVEX046I52
     K20X01B KC2020 12 06.30650102 37 36.94 +08 02 23.5          18.49GVEX046I52
     K20X01B KC2020 12 06.30689302 37 37.92 +08 02 24.5          19.08GVEX046I52
     K20X01B KC2020 12 06.30728502 37 38.90 +08 02 24.6          18.84GVEX046I52
     K20X01B KC2020 12 06.35710702 39 42.11 +08 03 57.7          18.71GVEX046I52
     K20X01B KC2020 12 06.35750002 39 43.12 +08 03 58.7          19.51GVEX046I52
     K20X01B KC2020 12 06.35789002 39 44.10 +08 03 59.0          18.43GVEX046I52
     K20X01B KC2020 12 06.35828002 39 45.09 +08 03 59.4          19.07GVEX046I52
     K20X01B KC2020 12 06.81587 03 00 18.16 +08 17 01.5          19.1 VVEX046L04
     K20X01B KC2020 12 06.82331 03 00 37.47 +08 17 14.6          18.7 VVEX046L04
     K20X01B KC2020 12 06.83034 03 00 55.73 +08 17 26.7          18.9 VVEX046L04
     K20X01B KC2020 12 07.01345 03 09 23.93 +08 30 40.2          19.5 VqEX046X31
     K20X01B KC2020 12 07.01870 03 09 37.73 +08 30 48.5          19.6 VqEX046X31
     K20X01B KC2020 12 07.02539 03 09 55.28 +08 30 59.9          19.4 VqEX046X31
     K20X01B mC2020 12 07.12393203 14 32.81 +08 25 59.5          18.48GVEX046I52
     K20X01B mC2020 12 07.12412303 14 33.36 +08 25 59.7          18.25GVEX046I52
     K20X01B mC2020 12 07.12431503 14 33.85 +08 26 00.1          18.71GVEX046I52
     K20X01B mC2020 12 07.12450903 14 34.36 +08 26 00.2          18.48GVEX046I52
     K20X01B KC2020 12 07.20149703 17 56.32 +08 27 33.1          19.2 V EX046858
     K20X01B KC2020 12 07.20862603 18 15.18 +08 27 42.3          19.2 V EX046858
     K20X01B KC2020 12 07.21576503 18 34.08 +08 27 51.0          19.3 V EX046858

Observer details:
858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m Schmidt-
    Cassegrain + 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.
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.
L04 ROASTERR-1 Observatory, Cluj-Napoca.  Observer L. Hudin.  0.3-m f/5
    reflector + CCD.
X31 Galileo Galilei Observatory, Oro Verde.  Observer C. Fornari.  0.40-m f/8
    Ritchey-Chretien + CCD.

Orbital elements:
2020 XB1                                                 Earth MOID = 0.0159 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M   3.95088              (2000.0)            P               Q                  
n   0.26907650     Peri.  178.90665     +0.36302737     -0.93097865             
a   2.3762139      Node   249.80619     +0.85457757     +0.34917355             
e   0.5782548      Incl.    2.35708     +0.37136007     +0.10656732             
P   3.66           H   26.08          G   0.15           U   7                  
Residuals in seconds of arc
201206 G96  0.2-  0.2-    201206 I52  0.1+  0.2+    201207 X31  0.5+  0.5+
201206 G96  0.2+  0.2+    201206 I52  0.2+  0.2-    201207 I52  0.5-  0.0-
201206 G96 (3.2-  0.0-)   201206 I52  0.4+  0.5-    201207 I52  0.1+  0.1-
201206 I52  0.1+  0.1+    201206 L04  0.2-  0.5-    201207 I52  0.2-  0.0+
201206 I52  0.1-  0.2-    201206 L04  0.1-  0.0+    201207 I52  0.3-  0.2-
201206 I52  0.2+  0.0+    201206 L04  0.1+  0.4+    201207 858  0.1+  0.0+
201206 I52  0.5+  0.6-    201207 X31  0.4-  0.2-    201207 858  0.1+  0.2+
201206 I52  0.3-  0.1-    201207 X31  0.1+  0.3-    201207 858  0.3+  0.0-

Ephemeris:
2020 XB1                 a,e,i = 2.38, 0.58, 2                   q = 1.0022
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 07    22 35 03.8 +01 56 47   0.1294  1.0540   115.9    57.7    23.8
...
2020 11 22    23 00 26.6 +02 25 44   0.07081 1.0109   107.2    69.0    22.8
...
2020 11 30    23 57 03.8 +04 15 11   0.03994 1.0025   113.0    64.9    21.4
...
2020 12 06    02 24 57.1 +07 54 01   0.02265 1.0033   142.1    37.1    19.4
2020 12 07    03 08 34.2 +08 26 01   0.02150 1.0040   150.8    28.6    19.0
2020 12 08    03 55 23.8 +08 40 50   0.02119 1.0049   159.2    20.4    18.7
...
2020 12 14    07 14 43.7 +06 03 17   0.03412 1.0137   148.7    30.3    20.1
...
2020 12 22    08 28 37.2 +04 07 34   0.06541 1.0343   139.6    38.1    21.8
...
2021 01 06    08 56 31.7 +04 18 32   0.1318  1.0973   148.0    28.4    23.1

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X46




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