[Iaude] MPEC M54: 2020 LJ2 [a=2.13,e=0.43,i=5.8,H=21.9]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2020-M54                                 Issued 2020 June 21, 14:40 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 LJ2                                    


Observations:
     K20L02J* C2020 06 15.53140420 27 00.207-27 48 08.14         22.29wUEM054F51
     K20L02J  C2020 06 15.54173520 27 01.122-27 48 02.17         22.03wUEM054F51
     K20L02J  C2020 06 15.55204720 27 02.029-27 47 56.21         21.94wUEM054F51
     K20L02J ^C2020 06 16.60148220 28 42.466-27 37 30.48         21.63GVEM054568
     K20L02J ^C2020 06 16.60243020 28 42.550-27 37 30.10         22.06GVEM054568
     K20L02J ^C2020 06 16.60338520 28 42.633-27 37 29.40         21.94GVEM054568
     K20L02J KC2020 06 19.59158420 33 24.95 -27 05 19.6          21.4 GVEM054474
     K20L02J KC2020 06 19.59651220 33 25.28 -27 05 16.3          21.9 GVEM054474
     K20L02J KC2020 06 19.60144020 33 25.72 -27 05 13.6          22.0 GVEM054474
     K20L02J KC2020 06 19.60636920 33 26.15 -27 05 09.9          21.8 GVEM054474
     K20L02J KC2020 06 21.56581620 36 26.20 -26 42 26.0          21.7 GVEM054474
     K20L02J KC2020 06 21.56933720 36 26.50 -26 42 23.5          21.6 GVEM054474
     K20L02J KC2020 06 21.57285720 36 26.79 -26 42 21.3          21.7 GVEM054474

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.
568 Mauna Kea.  Observers R. Wainscoat, C. Wipper, T. Burdullis.  Measurers R.
    Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
    Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
    Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
    R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.

Orbital elements:
2020 LJ2                                                 Earth MOID = 0.2171 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Alexandersen
M 332.79729              (2000.0)            P               Q
n   0.31616639     Peri.   27.69819     +0.87808238     +0.47099045
a   2.1339894      Node   303.95478     -0.45570338     +0.76922845
e   0.4270398      Incl.    5.84656     -0.14596496     +0.43180504
P   3.12           H   21.9           G   0.15           U   7
Residuals in seconds of arc
200615 F51  0.0   0.0     200616 568  0.1+  0.1-    200621 474  0.0   0.1+
200615 F51  0.0   0.0     200619 474  0.8+  0.2+    200621 474  0.1+  0.1+
200615 F51  0.0   0.0     200619 474  0.5-  0.2+    200621 474  0.0   0.2-
200616 568  0.1+  0.0     200619 474  0.3-  0.3-
200616 568  0.1+  0.2-    200619 474  0.2-  0.1+

Ephemeris:
2020 LJ2                 a,e,i = 2.13, 0.43, 6                   q = 1.2227
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 05 22    19 43 44.0 -30 25 03   0.6794  1.5281   128.1    31.4    23.3
...
2020 06 06    20 11 00.1 -29 06 41   0.5383  1.4518   136.2    28.9    22.6
...
2020 06 14    20 24 30.9 -28 02 26   0.4731  1.4135   140.6    27.1    22.2
...
2020 06 20    20 34 02.3 -27 00 50   0.4288  1.3863   144.0    25.5    21.9
2020 06 21    20 35 34.1 -26 49 16   0.4219  1.3819   144.6    25.2    21.9
2020 06 22    20 37 05.0 -26 37 19   0.4150  1.3775   145.2    24.9    21.8
...
2020 06 28    20 45 48.8 -25 16 31   0.3762  1.3522   148.7    23.0    21.5
...
2020 07 06    20 56 30.7 -23 01 13   0.3310  1.3212   153.5    20.1    21.1
...
2020 07 21    21 13 27.0 -17 06 00   0.2661  1.2727   162.8    13.7    20.3

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-M54