• MPC Preparation (Info)

    • MPEC 2019-B146: 2019 BJ4

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    Read MPEC 2019-B145 Read MPEC 2019-B147 

    M.P.E.C. 2019-B146                               Issued 2019 Jan. 30, 04:52 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2019 BJ4

Observations:
     K19B04J  C2019 01 20.58120111 36 13.195+32 09 15.55         21.3 GVEB146F51
     K19B04J  C2019 01 20.59453911 36 15.123+32 09 41.21         21.4 GVEB146F51
     K19B04J  C2019 01 20.60780211 36 17.078+32 10 07.22         21.1 GVEB146F51
     K19B04J  C2019 01 20.62108811 36 19.034+32 10 33.45         21.4 GVEB146F51
     K19B04J  C2019 01 21.60693111 38 49.179+32 42 49.32         22.0 GVEB146F51
     K19B04J  C2019 01 21.62058811 38 51.208+32 43 16.15         21.3 GVEB146F51
     K19B04J  C2019 01 21.64790411 38 55.190+32 44 09.75         21.6 GVEB146F51
     K19B04J* C2019 01 27.56339 11 54 13.409+36 04 50.77         21.1 iUEB146F51
     K19B04J  C2019 01 27.57366 11 54 14.980+36 05 12.37         21.2 iUEB146F51
     K19B04J  C2019 01 27.59456 11 54 18.100+36 05 55.71         20.7 iUEB146F51
     K19B04J  C2019 01 28.39418 11 56 24.54 +36 33 41.9          19.8 GVEB146I52
     K19B04J  C2019 01 28.39667 11 56 25.02 +36 33 47.8          20.9 GVEB146I52
     K19B04J  C2019 01 28.39916 11 56 25.37 +36 33 53.1          21.1 GVEB146I52
     K19B04J KC2019 01 29.95752912 00 32.62 +37 28 22.1          21.3 GVEB146L01
     K19B04J KC2019 01 29.96220512 00 33.34 +37 28 32.0          21.3 GVEB146L01
     K19B04J KC2019 01 29.96697612 00 34.06 +37 28 42.6          21.2 GVEB146L01
     K19B04J KC2019 01 29.97174712 00 34.78 +37 28 52.6          21.2 GVEB146L01

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, K. Chambers, L. Denneau,
    J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier.  1.8-m
    Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer H. Groeller.
    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, R. L. Seaman, F. C. Shelly.  1.0-m reflector
    + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, F. Valentine.
    Measurer K. Korlevic.  1.0-m f/2.9 reflector + CCD.

Orbital elements:
2019 BJ4
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M   5.88258              (2000.0)            P               Q
n   0.17636005     Peri.   73.45161     -0.91755190     +0.05076380
a   3.1492169      Node   108.05940     -0.15779453     -0.95686032
e   0.5540530      Incl.   24.50653     +0.36496492     -0.28607930
P   5.59           H   20.2           G   0.15           U   6
Residuals in seconds of arc
190120 F51  0.1+  0.1+    190121 F51  0.3-  0.1-    190128 I52  0.1-  0.3-
190120 F51  0.2-  0.2-    190127 F51  0.1+  0.1+    190129 L01  0.3+  0.0
190120 F51  0.1+  0.1-    190127 F51  0.3+  0.2+    190129 L01  0.1+  0.1-
190120 F51  0.2+  0.3+    190127 F51  0.1-  0.0     190129 L01  0.1-  0.3+
190121 F51  0.1-  0.0     190128 I52  0.9-  1.0-    190129 L01  0.4-  0.1+
190121 F51  0.2+  0.1-    190128 I52  0.3+  0.3-

Ephemeris:
2019 BJ4                 a,e,i = 3.15, 0.55, 25                  q = 1.4044
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 31    10 47 13.1 +22 50 12   0.8980  1.6566   123.4    29.7    22.4
...
2019 01 15    11 22 19.9 +29 14 45   0.7543  1.5816   130.6    28.2    21.8
...
2019 01 23    11 42 22.7 +33 28 59   0.6972  1.5455   132.9    27.8    21.6
...
2019 01 29    11 58 00.0 +36 54 51   0.6637  1.5206   133.6    28.0    21.5
2019 01 30    12 00 38.6 +37 29 54   0.6589  1.5166   133.6    28.0    21.4
2019 01 31    12 03 17.8 +38 05 04   0.6543  1.5127   133.6    28.1    21.4
...
2019 02 06    12 19 22.5 +41 36 20   0.6314  1.4905   133.1    28.9    21.3
...
2019 02 14    12 40 55.8 +46 06 58   0.6122  1.4644   131.1    30.5    21.3
...
2019 03 01    13 18 59.6 +53 01 48   0.6044  1.4273   125.2    34.5    21.3

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-B146

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