[Iaude] MPEC X83: 2020 XL2 [a=1.47,e=0.36,i=10.6,H=23.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Dec 9 05:38:13 EST 2020


M.P.E.C. 2020-X83                              Issued 2020 December 9, 10:37 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 XL2                                    


Observations:
     K20X02L  C2020 11 27.26281 04 12 58.58 -21 37 20.7                VEX083G96
     K20X02L  C2020 11 27.26817 04 12 58.26 -21 36 31.0          21.5 GVEX083G96
     K20X02L  C2020 11 27.27355 04 12 57.94 -21 35 42.3          20.9 GVEX083G96
     K20X02L* C2020 12 07.35350704 09 39.25 +00 08 01.8          21.04GVEX083G96
     K20X02L  C2020 12 07.35869804 09 39.13 +00 08 33.3          20.80GVEX083G96
     K20X02L  C2020 12 07.36387704 09 39.01 +00 09 04.8          21.39GVEX083G96
     K20X02L  C2020 12 07.36905104 09 38.90 +00 09 36.2          20.23GVEX083G96
     K20X02L KC2020 12 07.40809904 09 37.94 +00 13 37.1          21.08GVEX083I52
     K20X02L KC2020 12 07.41315004 09 37.84 +00 14 08.8          20.98GVEX083I52
     K20X02L KC2020 12 07.41567304 09 37.80 +00 14 24.0          21.33GVEX083I52
     K20X02L KC2020 12 08.26695804 09 33.25 +01 39 48.3          20.12GVEX083V06
     K20X02L KC2020 12 08.26917904 09 33.17 +01 40 01.2          20.64GVEX083V06
     K20X02L KC2020 12 08.27140104 09 33.13 +01 40 14.4          20.91GVEX083V06
     K20X02L KC2020 12 08.27362204 09 33.09 +01 40 27.8          21.22GVEX083V06
     K20X02L KC2020 12 09.38013304 09 24.39 +03 26 03.3          21.16GVEX083I52
     K20X02L KC2020 12 09.38851004 09 24.24 +03 26 50.4          21.37GVEX083I52
     K20X02L KC2020 12 09.39103104 09 24.19 +03 27 03.8          21.52GVEX083I52

Observer details:
G96 Mt. Lemmon Survey.  Observers H. Groeller, T. A. Pruyne.  Measurers D.
    Rankin, B. Gray, F. C. Shelly, 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, R. L. Seaman, K. W. Wierzchos.  1.5-m
    reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers D. C. Fuls, D. Rankin.
    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.
V06 Catalina Sky Survey-Kuiper.  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.  1.55-m reflector +
    1K CCD.

Orbital elements:
2020 XL2                                                 Earth MOID = 0.1161 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M  39.78320              (2000.0)            P               Q                  
n   0.55204591     Peri.  275.22635     +0.98046564     -0.06857596             
a   1.4716999      Node    88.79553     +0.13772024     +0.90851136             
e   0.3625875      Incl.   10.62554     -0.14042885     +0.41219467             
P   1.79           H   23.92          G   0.15           U   8                  
Residuals in seconds of arc
201127 G96  0.2+  0.2+    201207 G96  0.6+  0.9-    201208 V06  0.3+  0.1+
201127 G96  0.0-  0.4+    201207 I52  0.1-  0.4-    201208 V06  0.5+  0.4+
201127 G96  0.3-  0.6-    201207 I52  0.0-  0.3+    201209 I52  0.3-  0.3-
201207 G96  0.1-  0.5+    201207 I52  0.1+  0.0-    201209 I52  0.3-  0.3+
201207 G96  0.1+  0.0-    201208 V06  0.3+  0.2+    201209 I52  0.3-  0.3-
201207 G96  0.2+  0.5-    201208 V06  0.0-  0.1-

Ephemeris:
2020 XL2                 a,e,i = 1.47, 0.36, 11                  q = 0.9381
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 09    04 32 41.4 -69 07 35   0.1291  1.0041    92.4    80.3    22.3
...
2020 11 24    04 14 47.7 -30 18 33   0.1195  1.0666   129.0    46.0    21.2
...
2020 12 02    04 10 59.5 -10 17 28   0.1386  1.1050   147.3    28.8    21.1
...
2020 12 08    04 09 35.3 +01 13 48   0.1633  1.1355   155.3    21.2    21.3
2020 12 09    04 09 28.4 +02 50 49   0.1682  1.1407   156.1    20.5    21.3
2020 12 10    04 09 23.7 +04 23 00   0.1732  1.1459   156.6    19.9    21.4
...
2020 12 16    04 09 42.5 +12 05 35   0.2073  1.1777   156.9    19.1    21.8
...
2020 12 24    04 12 21.7 +19 13 51   0.2615  1.2211   152.3    22.0    22.5
...
2021 01 08    04 23 48.4 +26 51 46   0.3844  1.3037   140.7    28.6    23.7

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X83




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