[Iaude] MPEC F107: 2018 FB4 [a=0.93,e=0.39,i=17.3,H=27.5]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Thu Mar 22 11:23:16 EDT 2018


M.P.E.C. 2018-F107                               Issued 2018 Mar. 22, 15:19 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


                                   2018 FB4
 
Observations:
     K18F04B* C2018 03 21.29367 12 12 17.15 -12 32 34.0          19.2 GUEF107G96
     K18F04B  C2018 03 21.29883 12 12 12.70 -12 27 42.9          19.6 GUEF107G96
     K18F04B  C2018 03 21.30911 12 12 03.64 -12 17 52.2          19.4 GUEF107G96
     K18F04B  C2018 03 21.34931712 11 27.76 -11 40 08.1          19.7 GUEF107H01
     K18F04B  C2018 03 21.35678312 11 21.47 -11 33 09.8          19.6 GUEF107H01
     K18F04B  C2018 03 21.36348012 11 15.85 -11 26 55.6          19.4 GUEF107H01
     K18F04B  C2018 03 21.37038012 11 10.10 -11 20 31.0          19.2 GUEF107H01
     K18F04B  C2018 03 21.46263 12 09 57.71 -09 56 16.7          19.5 GUEF107I52
     K18F04B  C2018 03 21.46373 12 09 56.80 -09 55 17.2          20.3 GUEF107I52
     K18F04B  C2018 03 21.46428 12 09 56.39 -09 54 48.1          19.8 GUEF107I52
     K18F04B  C2018 03 21.91912 12 05 42.56 -03 46 38.6          20.1 VSEF107033
     K18F04B  C2018 03 21.91976 12 05 42.15 -03 46 10.3          20.0 VSEF107033
     K18F04B  C2018 03 21.92038 12 05 41.78 -03 45 43.0          19.7 VSEF107033
     K18F04B  C2018 03 21.92102 12 05 41.36 -03 45 14.6          19.9 VSEF107033
     K18F04B KC2018 03 21.93899 12 05 29.84 -03 31 42.9          19.7 VSEF107L01
     K18F04B KC2018 03 21.94147 12 05 28.35 -03 29 54.0          20.1 VSEF107L01
     K18F04B KC2018 03 21.94383 12 05 26.78 -03 28 11.4          20.1 VSEF107L01
     K18F04B  C2018 03 22.02928 12 04 35.36 -02 26 44.7          20.6 RUEF107511
     K18F04B  C2018 03 22.03070 12 04 34.46 -02 25 44.7          19.9 RUEF107511
     K18F04B  C2018 03 22.03212 12 04 33.58 -02 24 44.9          20.3 RUEF107511
     K18F04B  C2018 03 22.03354 12 04 32.72 -02 23 44.7          20.1 RUEF107511
     K18F04B  C2018 03 22.03496 12 04 31.86 -02 22 44.8          20.7 RUEF107511
     K18F04B  C2018 03 22.17425 12 03 40.24 -00 46 45.7          20.0 GUEF107I52
     K18F04B  C2018 03 22.17463 12 03 40.02 -00 46 30.6          19.8 GUEF107I52
     K18F04B  C2018 03 22.17500 12 03 39.84 -00 46 16.2          19.6 GUEF107I52
     K18F04B  C2018 03 22.17537 12 03 39.57 -00 46 00.5          19.7 GUEF107I52
     K18F04B |C2018 03 22.19427 12 03 17.55 -00 28 03.2          18.6 VuEF107807
     K18F04B |C2018 03 22.19626 12 03 16.37 -00 26 45.4          18.7 VuEF107807
     K18F04B |C2018 03 22.19815 12 03 15.24 -00 25 31.1          18.9 VuEF107807
 
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers F. Ludwig,
    B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
511 Haute Provence.  Observers W. Thuillot, S. Bouquillon, V. Robert,
    M. Dennefeld, F. Taris, M. Delbo, B. Carry, P. Tanga.  Measurers
    S. Bouquillon, F. Taris, T. Carlucci, C. Barache.  1.20-m f/6 reflector
    + CCD.
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
    + CCD.
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  Measurers B. M. Africano,
    E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
    R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly.
    1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers B. M. Africano,
    E. J. Christensen.  Measurers B. M. Africano, E. J. Christensen,
    D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
    S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly.  1.0-m reflector
    + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
 
Orbital elements:
2018 FB4                                                 Earth MOID = 0.0165 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M  84.71095              (2000.0)            P               Q
n   1.10031174     Peri.  233.80683     +0.57335918     -0.81927797
a   0.9292350      Node   181.26442     +0.81412464     +0.57061346
e   0.3875273      Incl.   17.25981     +0.09198006     +0.05642601
P   0.90           H   27.5           G   0.15           U   7
Residuals in seconds of arc
180321 G96  0.4+  0.8-    180321 033  0.0   0.5+    180322 511  0.1-  0.0
180321 G96 (1.4+  4.5-)   180321 033  0.1-  0.5+    180322 511  0.1+  0.1-
180321 G96  0.0   0.5+    180321 033  0.2+  0.3+    180322 I52  0.2-  0.1-
180321 H01  0.3-  0.1+    180321 033  0.0   0.4+    180322 I52  0.3-  0.1-
180321 H01  0.2-  0.0     180321 L01  0.4-  0.5-    180322 I52  0.2+  0.4-
180321 H01  0.3-  0.1-    180321 L01  1.0+  0.4-    180322 I52  0.8-  0.6+
180321 H01  0.2-  0.2-    180321 L01  0.0   1.3-    180322 807  0.1+  0.5+
180321 I52  0.9+  0.1+    180322 511  0.3+  0.1+    180322 807  0.3+  0.0
180321 I52  0.3-  0.5+    180322 511  0.1-  0.0     180322 807  0.3+  0.1-
180321 I52  0.2-  0.1+    180322 511  0.3-  0.2-

Ephemeris:
2018 FB4                 a,e,i = 0.93, 0.39, 17                  q = 0.5691
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 02 20    23 16 54.1 -42 43 31   0.2218  0.8159    34.6   136.5    30.2
...
2018 03 07    23 09 33.2 -51 11 31   0.1006  0.9248    45.7   129.8    28.0
...
2018 03 15    22 19 07.2 -67 11 22   0.04080 0.9787    66.3   111.5    24.8
...
2018 03 21    12 16 07.8 -17 24 48   0.02163 1.0167   162.2    17.4    20.1
2018 03 22    12 04 55.0 -02 44 04   0.02646 1.0228   177.7     2.3    19.9
2018 03 23    11 57 45.4 +06 58 21   0.03252 1.0288   171.8     7.9    20.7
...
2018 03 29    11 41 23.0 +27 16 22   0.07660 1.0636   147.4    30.4    23.4
...
2018 04 06    11 36 45.1 +32 47 54   0.1402  1.1063   136.4    38.6    25.0
...
2018 04 21    11 39 40.9 +33 56 45   0.2642  1.1742   124.3    45.0    26.7

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-F107



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