[Iaude] MPEC X195: 2019 BF1 [a=1.33,e=0.31,i=11.6,H=22.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Dec 11 09:07:03 EST 2021


M.P.E.C. 2021-X195                            Issued 2021 December 11, 14:05 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

                                    2019 BF1                                    


                           Revision to MPEC 2019-B76                            

Additional Observations:
     K19B01F  C2016 08 02.51832223 34 57.212-09 55 30.32         23.10GVEX195F51
     K19B01F  C2016 08 02.52937823 34 56.077-09 55 29.12         23.76GVEX195F51
     K19B01F  C2016 08 02.55147923 34 53.747-09 55 26.27         23.21GVEX195F51
     K19B01F KC2016 08 14.55288123 11 09.872-09 39 24.92         22.60GVEX195F51
     K19B01F  C2019 08 24.34133620 34 55.314-28 11 18.84         23.47GVEX195F51
     K19B01F  C2019 08 24.35095920 34 54.412-28 11 08.17         22.32GVEX195F51
     K19B01F KC2021 12 09.20157102 59 17.08 +51 46 13.2          23.27GVEX195V06
     K19B01F KC2021 12 09.21905502 59 13.71 +51 46 01.2                VEX195V06

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
    Schultz, I. Smith.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
    Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer H. Groeller.  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, D. Rankin, R. L.
    Seaman, F. C. Shelly, K. W. Wierzchos.  1.55-m reflector + 1K CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
160802 F51  0.7+  0.7+    211209 V06  0.3+  0.4+    MPO477911    +562 days

Orbital elements:
2019 BF1                                                 Earth MOID = 0.0252 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M 300.11373              (2000.0)            P               Q                  
n   0.64042819     Peri.  215.26479     -0.97051560     +0.22857477             
a   1.3329763      Node   337.57622     -0.14789673     -0.81532699             
e   0.3130181      Incl.   11.56983     -0.19033137     -0.53197319             
P   1.54           H   22.43          G   0.15           U   0                  
Residuals in seconds of arc
160802 F51  0.1+  0.0     190125 H01  0.1-  0.0     190210 Z21  0.2+  0.0
160802 F51  0.4+  0.2-    190125 I52  0.1+  0.1+    190210 Z21  0.1-  0.2+
160802 F51  0.1+  0.1-    190125 I52  0.3-  0.1+    190210 Z21  0.1+  0.2+
160814 F51  0.0   0.0     190125 I52  0.4+  0.6-    190210 Z21  0.1-  0.1+
181217 F51  0.1-  0.0     190202 291  0.1+  0.6+    190210 Z21  0.1+  0.2+
181217 F51  0.0   0.3-    190202 291  0.1-  0.2+    190210 Z21  0.3+  0.0
181217 F51  0.1-  0.2-    190202 291  0.0   0.1-    190210 Z21  0.1+  0.1-
181217 F51  0.4+  0.0     190204 033  0.0   0.0     190214 J95  0.5-  0.0
190123 F51  0.1+  0.1+    190204 033  0.0   0.0     190214 J95  0.0   0.1+
190123 F51  0.1+  0.1-    190204 033  0.1+  0.0     190214 J95  0.1-  0.1-
190123 F51 (0.1+  0.3+)   190204 033  0.2-  0.0     190215 K61  0.6-  1.0-
190123 L01 (1.1-  1.5+)   190204 033  0.3-  0.2+    190215 K61  0.5-  1.0-
190123 L01  0.2-  0.0     190204 033  0.2-  0.2+    190215 K61  0.6+  0.2-
190123 L01  0.5-  0.2+    190205 V37  0.1+  0.5-    190215 K61  0.2+  0.3-
190124 H01  0.0   0.1+    190205 V37  0.6+  0.4-    190215 K61  1.1+  0.8-
190124 H01  0.0   0.1+    190205 V37  0.0   0.2-    190221 J95  0.4+  0.0
190124 H01  0.0   0.1+    190205 V37  0.1-  0.2-    190221 J95  0.2+  0.3-
190124 H01  0.0   0.1+    190205 V37  0.1-  0.2-    190804 807  0.0   0.2-
190124 I52  0.2+  0.2+    190207 033  0.2-  0.0     190804 807  0.1-  0.1-
190124 I52  0.6-  0.0     190207 033  0.0   0.0     190804 807  0.0   0.1-
190124 I52  0.0   0.2-    190207 033  0.1-  0.2+    190824 F51  0.0   0.2-
190124 I52  0.1-  0.3+    190207 033  0.1+  0.1-    190824 F51  0.0   0.1-
190125 H01  0.0   0.0     190208 V01  0.1-  0.3+    211209 V06  0.3+  0.1-
190125 H01  0.1-  0.0     190208 V01  0.8+  0.6+    211209 V06  0.0   0.1-
190125 H01  0.0   0.1+    190210 Z21  0.1+  0.1+

Ephemeris:
2019 BF1                 a,e,i = 1.33, 0.31, 12                  q = 0.9157
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 11    04 25 03.9 +50 43 41   0.6366  1.5464   142.9    22.7    23.5
...
2021 11 26    03 42 55.0 +52 50 38   0.5609  1.4916   147.7    20.7    23.1
...
2021 12 04    03 15 54.1 +52 32 53   0.5364  1.4599   145.6    22.5    23.0
...
2021 12 10    02 56 53.7 +51 36 46   0.5251  1.4351   141.9    25.0    23.0
2021 12 11    02 53 58.7 +51 24 16   0.5238  1.4309   141.2    25.6    23.0
2021 12 12    02 51 09.1 +51 10 59   0.5226  1.4267   140.4    26.1    23.0
...
2021 12 18    02 36 17.9 +49 37 10   0.5182  1.4008   135.3    29.6    23.0
...
2021 12 26    02 22 46.7 +47 07 36   0.5189  1.3651   127.9    34.6    23.1
...
2022 01 10    02 16 22.6 +42 17 16   0.5323  1.2951   114.1    43.9    23.3

A. U. Tomatic                (C) Copyright 2021 MPC           M.P.E.C. 2021-X195




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