• MPC Preparation (Info)

  • MPEC 2018-B166: 2018 BT6

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    M.P.E.C. 2018-B166                               Issued 2018 Jan. 30, 15:55 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
    
                                       2018 BT6
    
    Observations:
         K18B06T* C2018 01 27.40491 13 07 46.95 -10 13 35.7          16.4 GUEB166703
         K18B06T  C2018 01 27.41049 13 07 23.29 -10 11 30.6          16.4 GUEB166703
         K18B06T  C2018 01 27.42163 13 06 36.43 -10 07 26.5          16.2 GUEB166703
         K18B06T  C2018 01 27.45140 13 04 30.85 -09 56 26.5          16.1 GUEB166I52
         K18B06T  C2018 01 27.45432 13 04 18.57 -09 55 21.6          16.1 GUEB166I52
         K18B06T  C2018 01 27.45723 13 04 06.33 -09 54 17.3          16.1 GUEB166I52
         K18B06T  C2018 01 27.45735 13 04 05.81 -09 54 14.6          16.1 GUEB166I52
         K18B06T  C2018 01 27.45929613 03 56.94 -09 53 35.4          16.3 GUEB166H01
         K18B06T  C2018 01 27.46687713 03 25.09 -09 50 47.0          16.3 GUEB166H01
         K18B06T  C2018 01 27.47301213 02 59.33 -09 48 30.7          16.4 GUEB166H01
         K18B06T  C2018 01 27.48017613 02 29.29 -09 45 51.5          16.4 GUEB166H01
         K18B06T #C2018 01 27.51158 13 00 17.59 -09 34 09.3          16.9 VqEB166H06
         K18B06T #C2018 01 27.51262 13 00 13.23 -09 33 45.9          17.1 VqEB166H06
         K18B06T #C2018 01 27.51384 13 00 08.16 -09 33 18.4          17.1 VqEB166H06
         K18B06T KC2018 01 28.01015 12 27 49.79 -06 31 05.2          17.4  UEB166K63
         K18B06T KC2018 01 28.01663 12 27 25.46 -06 28 45.4          17.6  UEB166K63
         K18B06T KC2018 01 28.01866 12 27 17.77 -06 28 00.4          17.8  UEB166K63
         K18B06T KC2018 01 28.02368 12 26 58.93 -06 26 13.7          16.9  UEB166104
         K18B06T KC2018 01 28.02612 12 26 49.78 -06 25 21.1          16.7  UEB166104
         K18B06T KC2018 01 28.03057 12 26 33.08 -06 23 45.4          16.9  UEB166104
         K18B06T KC2018 01 28.03111 12 26 31.61 -06 23 32.5          18.0 VqEB166C95
         K18B06T KC2018 01 28.03736 12 26 08.24 -06 21 18.7          16.9 VqEB166C95
         K18B06T KC2018 01 28.04362 12 25 44.80 -06 19 04.2          17.1 VqEB166C95
         K18B06T KC2018 01 28.04988 12 25 21.40 -06 16 49.7          17.2 VqEB166C95
         K18B06T KC2018 01 28.07535 12 23 45.93 -06 07 47.9          16.6 GUEB166204
         K18B06T KC2018 01 28.07619 12 23 42.80 -06 07 30.1                UEB166204
         K18B06T KC2018 01 28.07703 12 23 39.69 -06 07 12.1                UEB166204
         K18B06T KC2018 01 28.07787 12 23 36.56 -06 06 54.1                UEB166204
         K18B06T KC2018 01 28.07871 12 23 33.45 -06 06 36.2                UEB166204
         K18B06T  C2018 01 28.18713 12 17 04.38 -05 25 10.2          16.4 RrEB166Y00
         K18B06T  C2018 01 28.18751 12 17 03.02 -05 25 02.0          16.3 RrEB166Y00
         K18B06T  C2018 01 28.18790 12 17 01.62 -05 24 54.1          16.5 RrEB166Y00
         K18B06T  C2018 01 28.18864 12 16 58.98 -05 24 39.2          16.5 RrEB166Y00
         K18B06T  C2018 01 28.18960 12 16 55.48 -05 24 19.1          16.7 RrEB166Y00
         K18B06T  C2018 01 28.19057 12 16 51.96 -05 23 58.5          16.8 RrEB166Y00
         K18B06T  C2018 01 28.19141 12 16 48.86 -05 23 40.7          16.7 RrEB166Y00
         K18B06T  C2018 01 28.19214 12 16 46.25 -05 23 25.2          16.8 RrEB166Y00
         K18B06T  C2018 01 28.19285 12 16 43.64 -05 23 10.7          16.9 RrEB166Y00
         K18B06T KC2018 01 28.30414 12 10 12.43 -04 47 14.8          17.3 RqEB166H36
         K18B06T  C2018 01 28.30527 12 10 10.69 -04 46 35.1          16.8 GUEB166I52
         K18B06T KC2018 01 28.30538 12 10 08.07 -04 46 49.7          17.1 RqEB166H36
         K18B06T  C2018 01 28.30540 12 10 10.27 -04 46 32.6          16.8 GUEB166I52
         K18B06T  C2018 01 28.30552 12 10 09.80 -04 46 29.9          16.6 GUEB166I52
         K18B06T  C2018 01 28.30565 12 10 09.35 -04 46 27.3          16.8 GUEB166I52
         K18B06T KC2018 01 28.30663 12 10 03.71 -04 46 23.9          17.3 RqEB166H36
         K18B06T  C2018 01 28.40852 12 04 12.22 -04 11 30.9          15.8 VqEB166G48
         K18B06T  C2018 01 28.40924 12 04 09.68 -04 11 16.2          15.6 VqEB166G48
         K18B06T  C2018 01 28.40997 12 04 07.27 -04 11 00.9          15.1 VqEB166G48
         K18B06T KC2018 01 28.51763 11 58 13.98 -03 31 45.0          16.3 RUEB166R57
         K18B06T KC2018 01 28.51918 11 58 08.87 -03 31 14.4          16.3 RUEB166R57
         K18B06T KC2018 01 28.52274 11 57 57.10 -03 30 04.3          16.7 RUEB166R57
         K18B06T KC2018 01 28.52427 11 57 52.07 -03 29 34.4          16.4 RUEB166R57
         K18B06T "C2018 01 29.33415 11 18 30.27 +00 28 56.3          16.1 GUEB166W88
         K18B06T "C2018 01 29.33726 11 18 22.14 +00 29 45.0          16.3 GUEB166W88
         K18B06T "C2018 01 29.34032 11 18 14.17 +00 30 33.0          16.2 GUEB166W88
         K18B06T "C2018 01 29.34383 11 18 05.02 +00 31 27.4          16.2 GUEB166W88
         K18B06T "C2018 01 29.34735 11 17 55.84 +00 32 22.8          16.2 GUEB166W88
         K18B06T KC2018 01 29.55572 11 09 26.39 +01 25 07.8          16.1 RUEB166R57
         K18B06T KC2018 01 29.55725 11 09 22.67 +01 25 30.0          16.3 RUEB166R57
         K18B06T KC2018 01 29.55924 11 09 17.82 +01 25 59.2          16.1 RUEB166R57
         K18B06T KC2018 01 29.56153 11 09 12.28 +01 26 32.4          16.0 RUEB166R57
         K18B06T KC2018 01 29.93859210 55 06.48 +02 49 09.3          16.3 GUEB166J69
         K18B06T KC2018 01 29.94241610 54 58.32 +02 49 58.7          16.3 GUEB166J69
         K18B06T KC2018 01 29.94624210 54 50.15 +02 50 47.9          16.0 GUEB166J69
         K18B06T KC2018 01 29.95006310 54 42.00 +02 51 36.8          16.6 GUEB166J69
         K18B06T KC2018 01 29.95388310 54 33.86 +02 52 26.0          16.6 GUEB166J69
         K18B06T KC2018 01 29.95770310 54 25.74 +02 53 14.8          16.2 GUEB166J69
         K18B06T KC2018 01 29.99300810 53 11.08 +03 00 41.5                UEB166J95
         K18B06T KC2018 01 29.99428510 53 08.40 +03 00 57.6                UEB166J95
         K18B06T KC2018 01 29.99558510 53 05.67 +03 01 13.9          16.6 GUEB166J95
         K18B06T KC2018 01 30.01003510 52 35.15 +03 04 15.3          16.6 GUEB166Z80
         K18B06T KC2018 01 30.01369810 52 27.47 +03 05 01.4          16.4 GUEB166Z80
         K18B06T KC2018 01 30.01553210 52 23.66 +03 05 24.6          16.9 GUEB166Z80
         K18B06T KC2018 01 30.01921510 52 15.95 +03 06 10.7          17.0 GUEB166Z80
         K18B06T KC2018 01 30.02381910 52 06.32 +03 07 08.7          17.0 GUEB166Z80
         K18B06T KC2018 01 30.15558 10 47 42.40 +03 36 43.9          16.5 VqEB166X31
         K18B06T KC2018 01 30.16088 10 47 31.88 +03 37 48.2          17.4 VqEB166X31
         K18B06T KC2018 01 30.16357 10 47 26.36 +03 38 17.8          17.4 VqEB166X31
         K18B06T  C2018 01 30.27530 10 43 51.17 +03 57 47.0          16.4 RoEB166926
         K18B06T  C2018 01 30.27568 10 43 50.44 +03 57 51.6          16.4 RoEB166926
         K18B06T  C2018 01 30.27635 10 43 49.15 +03 57 59.1          16.4 RoEB166926
         K18B06T  C2018 01 30.27673 10 43 48.41 +03 58 03.6          16.3 RoEB166926
         K18B06T  C2018 01 30.27738 10 43 47.12 +03 58 11.0          16.4 RoEB166926
         K18B06T  C2018 01 30.27775 10 43 46.42 +03 58 15.2          16.4 RoEB166926
         K18B06T QC2018 01 30.38803 10 40 15.21 +04 18 50.2          16.4 VUEB166H06
         K18B06T QC2018 01 30.39456 10 40 02.92 +04 20 01.4          16.0 VUEB166H06
         K18B06T QC2018 01 30.40511 10 39 43.20 +04 21 56.4          16.8 VUEB166H06
         K18B06T  C2018 01 30.53297 10 35 50.13 +04 44 44.1          17.1 RoEB166926
         K18B06T  C2018 01 30.53368 10 35 48.87 +04 44 51.9          17.1 RoEB166926
         K18B06T  C2018 01 30.53406 10 35 48.20 +04 44 55.9          17.0 RoEB166926
         K18B06T  C2018 01 30.53471 10 35 47.05 +04 45 02.5          17.2 RoEB166926
         K18B06T  C2018 01 30.53510 10 35 46.38 +04 45 06.5          17.2 RoEB166926
         K18B06T  C2018 01 30.53575 10 35 45.15 +04 45 13.0          17.2 RoEB166926
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
        + CCD.
    703 Catalina Sky Survey.  Observer R. A. Kowalski.  Measurers
        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. G. Matheny, R. L. Seaman,
        F. C. Shelly.  0.68-m Schmidt + 10K CCD.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
    C95 SATINO Remote Observatory, Haute Provence.  Observer J. Jahn.  0.60-m
        f/3.2 Newtonian reflector + CCD.
    G48 Harlingten Research Observatory, Rancho Hildalgo.  Observers C. Harlingten,
        M. Mills.  Measurer M. Mills.  0.40-m f/6.7 Ritchey-Chretien + 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.
    H06 iTelescope Observatory, Mayhill.  Observers S. M. Tilley, M. Suzuki.
        0.43-m f/6.8 reflector + CCD + f/4.5 focal reducer, 0.50-m f/6.8 reflector
        + CCD + f/4.5 focal reducer.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.
        Measurers 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. G. Matheny,
        R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
    J69 North Observatory, Clanfield.  Observer D. Briggs.  0.41-m f/4.5 Newtonian
        reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.  0.40-m
        f/3.2 Newtonian reflector + CCD.
    R57 Aorangi Iti Observatory, Lake Tekapo.  Observers A. C. Gilmore,
        P. M. Kilmartin.  Measurer P. M. Kilmartin.  0.35-m f/11
        Schmidt-Cassegrain + CCD.
    W88 Slooh.com Chile Observatory, La Dehesa.  Observer K. Dankov.  0.35-m f/11
        Schmidt-Cassegrain + CCD.
    X31 Galileo Galilei Observatory, Oro Verde.  Observer C. N. Fornari.  0.28-m
        f/2 Schmidt-Cassegrain + CCD.
    Y00 SONEAR Observatory, Oliveira.  Observers C. Jacques, E. Pimentel,
        J. Barros.  Measurer C. Jacques.  0.45-m f/2.9 reflector + CCD.
    Z80 Northolt Branch Observatory.  Observer G. Wells.  Measurer D. Bamberger.
        0.25-m f/8 Ritchey-Chretien + CCD.
    
    Orbital elements:
    2018 BT6                                            PHA, Earth MOID = 0.0015 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 330.45445              (2000.0)            P               Q
    n   0.28968935     Peri.   71.96320     +0.94347095     -0.32880556
    a   2.2621133      Node   307.21244     +0.28076829     +0.85987095
    e   0.8286007      Incl.    3.01055     +0.17615827     +0.39052382
    P   3.40           H   21.3           G   0.15           U   7
    Residuals in seconds of arc
    180127 703  0.5-  0.2-    180128 Y00  1.0+  0.1+    180129 J69  1.1-  0.5+
    180127 703 (1.6-  1.6+)   180128 Y00 (1.6+  0.6-)   180129 J69  1.2-  0.6+
    180127 703  1.2+  0.5-    180128 Y00  1.4+  0.6-    180129 J69  1.3-  0.5+
    180127 I52  0.2-  0.1+    180128 Y00  1.4+  0.4-    180129 J69  1.4-  0.8+
    180127 I52  0.0   0.2+    180128 Y00  0.6+  0.2-    180129 J69  1.4-  0.7+
    180127 I52  0.0   0.0     180128 Y00  1.1+  0.0     180129 J95  0.1+  0.2-
    180127 I52  0.2-  0.0     180128 Y00  0.6+  0.4-    180129 J95  0.3+  0.2-
    180127 H01  0.3-  0.0     180128 H36  1.1-  0.5+    180129 J95  0.4+  0.3-
    180127 H01  0.1-  0.0     180128 I52  0.1-  0.0     180130 Z80  0.3-  0.6-
    180127 H01  0.1-  0.0     180128 H36  1.2-  0.0     180130 Z80  0.2-  0.4-
    180127 H01  0.0   0.1-    180128 I52  0.4+  0.2-    180130 Z80  0.3+  0.2-
    180127 H06  0.4-  0.0     180128 I52  0.3-  0.0     180130 Z80  0.4+  0.2-
    180127 H06  0.8-  0.2+    180128 I52  0.3-  0.1-    180130 Z80  0.5+  0.3+
    180127 H06  0.5-  0.5+    180128 H36  0.8-  0.1+    180130 X31 (3.5-  0.3-)
    180128 K63  0.7-  0.1-    180128 G48 (2.2-  0.6-)   180130 X31  1.3-  0.9+
    180128 K63  0.0   0.1+    180128 G48 (3.3-  0.4-)   180130 X31 (3.0-  1.5-)
    180128 K63  0.9-  1.3+    180128 G48 (1.8-  0.1+)   180130 926  0.1+  0.1+
    180128 104  0.0   0.0     180128 R57  0.1-  0.2-    180130 926  0.2+  0.4+
    180128 104  0.1+  0.1+    180128 R57  0.0   0.0     180130 926  0.3+  0.2+
    180128 104  0.1+  0.1+    180128 R57  0.3-  0.1+    180130 926  0.2+  0.3+
    180128 C95  0.4-  0.3+    180128 R57  0.0   0.0     180130 926  0.2-  0.3+
    180128 C95  0.2+  0.2-    180129 W88  0.6-  0.2+    180130 926  0.0   0.3+
    180128 C95  0.0   0.2-    180129 W88  0.6-  0.1+    180130 H06  0.4+  0.0
    180128 C95  0.0   0.0     180129 W88  0.3-  0.3+    180130 H06  0.0   0.5-
    180128 204  0.2-  0.1+    180129 W88  0.3-  0.2-    180130 H06  0.5+  0.9-
    180128 204  0.3-  0.0     180129 W88  0.5-  0.2+    180130 926  0.0   0.1-
    180128 204  0.1-  0.0     180129 R57  0.3+  0.1+    180130 926  0.1+  0.3+
    180128 204  0.2-  0.0     180129 R57  0.2+  0.0     180130 926  0.2+  0.3+
    180128 204  0.1-  0.0     180129 R57  0.1-  0.2+    180130 926  0.3+  0.2+
    180128 Y00  0.4+  0.1+    180129 R57  0.2+  0.0     180130 926  0.6+  0.1+
    180128 Y00  0.7+  0.3+    180129 J69  1.1-  0.3+    180130 926  0.5-  0.2-
    
    Ephemeris:
    2018 BT6                 a,e,i = 2.26, 0.83, 3                   q = 0.3877
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 12 31    19 35 05.3 -19 21 05   0.4591  0.5469    13.3   155.5    27.9
    ...
    2018 01 15    19 02 24.1 -20 22 20   0.1900  0.7973    10.2   167.4    31.9
    ...
    2018 01 23    17 18 46.3 -22 10 49   0.07587 0.9295    42.2   134.6    21.7
    ...
    2018 01 29    11 33 36.1 -01 04 38   0.05669 1.0253   134.3    43.4    16.8
    2018 01 30    10 52 54.8 +03 03 39   0.06650 1.0410   146.2    31.7    16.9
    2018 01 31    10 23 14.0 +06 00 40   0.07811 1.0566   155.1    23.1    17.0
    ...
    2018 02 06    09 06 41.2 +12 55 18   0.1624  1.1482   176.2     3.3    18.0
    ...
    2018 02 14    08 38 55.4 +15 07 40   0.2880  1.2656   162.9    13.3    19.9
    ...
    2018 03 01    08 27 34.4 +16 10 17   0.5461  1.4720   145.1    22.7    21.9
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-B166
    

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