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    • MPEC 2019-L86 : 2019 LB2

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    M.P.E.C. 2019-L86                                Issued 2019 June 5, 16:55 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2019 LB2

Observations:
     K19L02B  C2019 05 21.26837914 00 34.906-07 57 06.74         21.5 GVEL086F51
     K19L02B  C2019 05 21.27960714 00 34.608-07 56 45.50         22.8 GVEL086F51
     K19L02B  C2019 05 21.30279514 00 33.926-07 56 01.93         22.5 GVEL086F51
     K19L02B* C2019 06 04.27906 14 19 54.09 +04 01 46.2          21.4 GVEL086G96
     K19L02B  C2019 06 04.28422 14 19 54.66 +04 02 11.7          21.0 GVEL086G96
     K19L02B  C2019 06 04.29454 14 19 55.70 +04 03 02.7          21.1 GVEL086G96
     K19L02B  C2019 06 04.35756 14 20 03.20 +04 08 12.7          20.8 GVEL086V06
     K19L02B  C2019 06 04.35924 14 20 03.43 +04 08 21.2          20.7 GVEL086V06
     K19L02B  C2019 06 04.36093 14 20 03.65 +04 08 29.1          20.8 GVEL086V06
     K19L02B  C2019 06 04.36262 14 20 03.89 +04 08 37.4          20.4 GVEL086V06
     K19L02B  C2019 06 05.16868 14 22 57.16 +05 18 19.4          21.3 GVEL086I52
     K19L02B  C2019 06 05.17076 14 22 57.33 +05 18 31.1          20.4 GVEL086I52
     K19L02B  C2019 06 05.17284 14 22 57.62 +05 18 42.2          22.0 GVEL086I52
     K19L02B  C2019 06 05.17492 14 22 57.80 +05 18 53.5          21.2 GVEL086I52

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe,
    E. Magnier, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber,
    Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer T. A. Pruyne.  Measurers B. M. Africano,
    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.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer E. J. Christensen.
    Measurers B. M. Africano, 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.
    1.0-m reflector + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer E. J. Christensen.  Measurers
    B. M. Africano, 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.  1.55-m reflector +
    CCD.

Orbital elements:
2019 LB2                                                 Earth MOID = 0.0165 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 314.62352              (2000.0)            P               Q
n   0.68220658     Peri.   52.80254     +0.19518713     +0.98059430
a   1.2779841      Node   228.46358     -0.90742523     +0.17345969
e   0.2044082      Incl.    1.40489     -0.37213094     +0.09135948
P   1.44           H   27.1           G   0.15           U   5
Residuals in seconds of arc
190521 F51  0.0   0.1-    190604 G96  0.1+  0.1+    190605 I52  0.9+  0.3-
190521 F51  0.0   0.1+    190604 V06  0.1+  0.1+    190605 I52  0.1-  0.1+
190521 F51  0.0   0.0     190604 V06  0.2+  0.4+    190605 I52  0.7+  0.0
190604 G96  0.2+  0.3-    190604 V06  0.1+  0.0     190605 I52  0.2-  0.1+
190604 G96  0.8+  0.2-    190604 V06  0.3+  0.0

Ephemeris:
2019 LB2                 a,e,i = 1.28, 0.20, 1                   q = 1.0168
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2019 05 06    14 01 49.6 -13 46 39   0.09616 1.1030   168.1    10.9    22.9
...
2019 05 21    14 00 24.2 -08 04 36   0.06152 1.0663   151.2    27.2    22.4
...
2019 05 29    14 06 48.3 -02 43 41   0.04576 1.0501   142.3    36.1    22.0
...
2019 06 04    14 19 10.1 +03 40 57   0.03497 1.0398   135.8    42.9    21.6
2019 06 05    14 22 19.2 +05 05 18   0.03327 1.0382   134.6    44.1    21.5
2019 06 06    14 25 54.7 +06 37 34   0.03160 1.0367   133.5    45.2    21.4
...
2019 06 12    15 02 01.0 +19 47 56   0.02258 1.0287   125.7    53.3    20.9
...
2019 06 20    17 41 40.3 +49 34 34   0.01654 1.0211   107.0    72.1    20.8
...
2019 07 05    23 41 18.7 +39 21 55   0.03260 1.0165    88.6    89.5    22.9

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-L86

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