[Iaude] MPEC B120: 2018 ST3 [a=3.14,e=0.54,i=16.2,H=17.7]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Jan 27 23:21:17 EST 2019


M.P.E.C. 2019-B120                               Issued 2019 Jan. 28, 04:18 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 ST3
 
Additional Observations:
     K18S03T  C2001 08 10.44510 22 40 17.01 -24 04 52.2          19.0 RcEB120644
     K18S03T  C2001 08 10.45507 22 40 16.72 -24 05 02.0          19.0 RcEB120644
     K18S03T  C2001 08 10.46623 22 40 16.43 -24 05 13.2          19.5 RcEB120644
     K18S03T  C2001 08 16.35539 22 37 27.95 -25 48 10.4          19.7 RcEB120644
     K18S03T  C2001 08 16.36594 22 37 27.57 -25 48 22.1          19.9 RcEB120644
     K18S03T  C2001 08 16.37664 22 37 27.21 -25 48 33.6          19.7 RcEB120644
     K18S03T  C2001 08 27.27838 22 30 14.02 -29 00 59.4          19.7 RcEB120644
     K18S03T  C2001 08 27.28897 22 30 13.55 -29 01 10.6          19.7 RcEB120644
     K18S03T  C2007 11 18.52232 09 32 49.66 +10 58 31.1          20.9 VrEB120G96
     K18S03T  C2007 11 18.52451 09 32 49.81 +10 58 31.4          20.6 VrEB120G96
     K18S03T  C2007 11 18.52670 09 32 49.99 +10 58 31.7          20.6 VrEB120G96
     K18S03T  C2007 11 18.52890 09 32 50.17 +10 58 32.2          20.8 VrEB120G96
     K18S03T  C2008 01 10.33987 09 53 27.34 +18 34 13.1                oEB120291
     K18S03T  C2008 01 10.35922 09 53 26.63 +18 34 30.3                oEB120291
     K18S03T  C2008 01 10.36709 09 53 26.37 +18 34 37.2                oEB120291
     K18S03T  C2008 02 06.25010 09 29 18.38 +24 56 09.2          20.4 VrEB120703
     K18S03T  C2008 02 06.25773 09 29 17.84 +24 56 16.7          20.4 VrEB120703
     K18S03T  C2008 02 06.26534 09 29 17.44 +24 56 21.6          20.1 VrEB120703
     K18S03T  C2008 02 06.27295 09 29 16.90 +24 56 27.5          20.2 VrEB120703
     K18S03T  C2008 03 01.32931 09 08 33.86 +28 21 32.1          20.8 VrEB120G96
     K18S03T  C2008 03 01.32986 09 08 33.79 +28 21 32.2          20.7 VrEB120G96
     K18S03T  C2008 03 01.33599 09 08 33.61 +28 21 33.9          20.6 VrEB120G96
     K18S03T  C2008 03 01.33655 09 08 33.54 +28 21 33.8          20.6 VrEB120G96
     K18S03T  C2008 03 01.34264 09 08 33.36 +28 21 35.6          20.7 VrEB120G96
     K18S03T  C2008 03 01.34318 09 08 33.28 +28 21 36.1          21.1 VrEB120G96
     K18S03T  C2008 03 01.34924 09 08 33.10 +28 21 37.6          20.9 VrEB120G96
     K18S03T  C2008 03 01.34978 09 08 33.07 +28 21 37.7          20.7 VrEB120G96
     K18S03T  C2018 12 10.33301 08 06 51.45 +08 22 02.6          19.9 GVEB120703
     K18S03T  C2018 12 10.33828 08 06 51.44 +08 22 06.4          20.1 GVEB120703
     K18S03T  C2018 12 10.34882 08 06 51.17 +08 22 17.3          19.9 GVEB120703
     K18S03T  C2018 12 13.51782 08 06 14.40 +09 09 32.3          19.5 GVEB120G96
     K18S03T  C2018 12 13.52289 08 06 14.24 +09 09 37.0          19.7 GVEB120G96
     K18S03T  C2018 12 13.52796 08 06 14.18 +09 09 41.3          19.2 GVEB120G96
     K18S03T  C2018 12 13.53305 08 06 14.04 +09 09 45.8          19.8 GVEB120G96
     K18S03T  C2018 12 19.25366 08 04 04.29 +10 43 41.4          19.6 GVEB120703
     K18S03T  C2018 12 19.25948 08 04 04.05 +10 43 46.5          19.4 GVEB120703
     K18S03T  C2018 12 19.26531 08 04 03.82 +10 43 53.3          19.2 GVEB120703
     K18S03T  C2018 12 19.27114 08 04 03.67 +10 43 59.6          19.4 GVEB120703
     K18S03T  C2019 01 08.33524 07 48 15.63 +17 05 22.4          18.9 GVEB120G96
     K18S03T  C2019 01 08.34040 07 48 15.31 +17 05 28.4          19.0 GVEB120G96
     K18S03T  C2019 01 08.34558 07 48 14.99 +17 05 34.4          19.0 GVEB120G96
     K18S03T  C2019 01 08.35075 07 48 14.67 +17 05 40.6          19.0 GVEB120G96
     K18S03T  C2019 01 17.15361 07 39 52.05 +19 50 36.9          18.8 GVEB120G96
     K18S03T  C2019 01 17.15877 07 39 51.75 +19 50 42.7          18.6 GVEB120G96
     K18S03T  C2019 01 17.16393 07 39 51.45 +19 50 48.2          18.7 GVEB120G96
     K18S03T  C2019 01 17.16908 07 39 51.13 +19 50 53.6                VEB120G96
     K18S03T  C2019 01 24.25757 07 33 47.83 +21 50 27.3          19.0 r EB120I41
     K18S03T  C2019 01 24.25850 07 33 47.79 +21 50 28.4          19.1 r EB120I41
     K18S03T  C2019 01 25.19324 07 33 04.96 +22 05 05.8          19.8 g EB120I41
     K18S03T  C2019 01 25.22660 07 33 03.34 +22 05 37.3          19.0 r EB120I41
     K18S03T  C2019 01 25.24032 07 33 02.67 +22 05 50.2          19.2 r EB120I41
     K18S03T  C2019 01 25.28400 07 33 00.53 +22 06 31.0          19.1 r EB120I41
 
Observer details:
291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
644 Palomar Mountain/NEAT.  Observers E. F. Helin, S. Pravdo, K. Lawrence,
    K. Kuluhiwa, M. Hicks, R. Thicksten.  Measurer R. Matson.  1.2-m Schmidt
    + CCD.
703 Catalina Sky Survey.  Observers R. A. Kowalski, B. M. Africano.
    Measurers E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs,
    A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught,
    B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, H. Groeller,
    G. J. Leonard, R. L. Seaman, F. C. Shelly.  0.68-m Schmidt + CCD, 0.68-m
    Schmidt + 10K CCD.
G96 Mt. Lemmon Survey.  Observers A. D. Grauer, E. Beshore, A. R. Gibbs,
    H. Groeller.  Measurers E. C. Beshore, A. Boattini, G. J. Garradd,
    A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson,
    R. H. McNaught, B. M. Africano, E. J. Christensen, G. A. Farneth,
    D. C. Fuls, H. Groeller, G. J. Leonard, R. L. Seaman, F. C. Shelly.
    1.5-m reflector + CCD, 1.5-m reflector + 10K CCD.
I41 Palomar Mountain--ZTF.  Observer A. U. Tomatic.  Measurers F. J. Masci,
    Q.-Z. Ye.  1.2-m f/2.4 Oschin Schmidt.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
010810 644   72+    8-    190125 I41 0.09+ 0.15-    MPO458781   +0.17 day
 
Orbital elements:
2018 ST3
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  38.34549              (2000.0)            P               Q
n   0.17729899     Peri.  289.49864     +0.64747020     -0.72089428
a   3.1380886      Node   117.60899     +0.76086034     +0.59305804
e   0.5351131      Incl.   16.19656     +0.04328845     +0.35859948
P   5.56           H   17.7           G   0.15           U   1
Residuals in seconds of arc
010810 644  0.2+  0.4-    180930 C51  0.0   0.4-    181008 C51  0.1+  0.1+
010810 644  0.1-  0.1-    180930 C51  0.0   0.3+    181008 C51  0.1-  0.4-
010810 644  0.0   0.1+    180930 C51  0.5-  0.7-    181008 C51  0.3+  0.2+
010816 644  0.4-  0.3-    181001 C51  0.5-  0.2-    181210 703  0.1-  0.4+
010816 644  0.4-  0.8-    181001 C51  0.4+  0.1-    181210 703  0.5+  0.3-
010816 644  0.0   0.9-    181001 C51  0.4+  0.0     181210 703  1.8-  1.5+
010827 644  0.0   0.1+    181001 C51  0.3-  0.3-    181213 G96  0.6+  0.2+
010827 644  0.5+  0.2-    181001 C51  0.0   0.2+    181213 G96  0.3-  0.2+
071118 G96  0.1+  0.4-    181001 C51  0.4-  0.6+    181213 G96  0.2+  0.1-
071118 G96  0.2-  0.4-    181001 C51  0.0   0.2-    181213 G96  0.5-  0.3-
071118 G96  0.1+  0.4-    181001 C51  0.1-  0.2+    181216 F51  0.1-  0.2+
071118 G96  0.3+  0.2-    181002 474  0.1-  0.6-    181216 F51  0.1-  0.1+
080110 291  0.7-  0.2+    181002 474  1.3+  0.3+    181216 F51  0.1-  0.1+
080110 291  0.4-  0.4+    181002 474  0.3-  0.8-    181216 F51  0.1-  0.1+
080110 291  0.1+  0.4+    181002 474  0.4-  0.3-    181219 703  0.2+  1.0+
080206 703  0.3+  1.1-    181004 T12  0.3-  0.0     181219 703  0.6-  0.0
080206 703  0.3-  0.8+    181004 T12  0.2-  0.1-    181219 703  1.2-  0.7+
080206 703  1.0+  0.1+    181005 K88  0.0   0.1-    181219 703  0.6-  0.9+
080206 703  0.3+  0.4+    181005 K88  0.2-  0.1+    190102 A17  0.5+  0.7-
080301 G96  0.9+  0.0     181005 K88  0.3-  0.1+    190102 A17  0.6+  0.9-
080301 G96  0.2+  0.0     181006 C51  0.1-  0.2+    190102 A17  0.4+  0.8-
080301 G96  0.8+  0.1-    181006 C51  0.6+  0.3+    190108 G96  0.4+  0.7-
080301 G96  0.2+  0.3-    181006 C51  0.6-  0.0     190108 G96  0.4+  0.7-
080301 G96  0.8+  0.3-    181006 C51  0.1-  0.4+    190108 G96  0.4+  0.8-
080301 G96  0.0   0.1+    181006 C51  0.2-  0.1+    190108 G96  0.4+  0.6-
080301 G96  0.5+  0.1-    181007 C51  0.3+  0.2+    190117 G96  0.4+  0.7-
080301 G96  0.4+  0.2-    181007 C51  0.0   0.5+    190117 G96  0.4+  0.5-
180929 C51  0.2+  0.0     181007 C51  0.5+  0.4-    190117 G96  0.3+  0.6-
180929 C51  0.1-  0.4+    181007 C51  0.6+  0.3+    190117 G96  0.0   0.8-
180929 C51  0.3+  0.2+    181007 C51  0.0   0.1-    190124 I41  0.2+  0.4-
180929 C51  0.6+  0.3+    181007 C51  0.5+  0.6+    190124 I41  0.3+  0.2-
180930 C51  0.1-  0.6+    181007 C51  0.3-  0.1-    190125 I41  0.3+  0.5-
180930 C51  0.6-  0.4-    181007 C51  0.3+  0.1-    190125 I41  0.2+  0.4-
180930 C51  0.3-  0.5+    181007 C51  0.2+  0.1-    190125 I41  0.1+  0.3-
180930 C51  0.4-  0.7-    181007 C51  0.0   0.1-    190125 I41  0.1-  0.3-
180930 C51  0.1-  0.3-    181007 C51  0.0   0.2+
180930 C51  0.2+  0.3-    181008 C51  0.0   0.6+

Ephemeris:
2018 ST3                 a,e,i = 3.14, 0.54, 16                  q = 1.4589
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 29    07 57 36.3 +13 43 23   0.8091  1.7575   157.2    12.5    19.2
...
2019 01 13    07 43 45.8 +18 34 34   0.8568  1.8394   176.5     1.9    18.9
...
2019 01 21    07 36 27.2 +20 57 20   0.9055  1.8850   172.0     4.2    19.2
...
2019 01 27    07 31 45.3 +22 32 37   0.9526  1.9198   164.6     7.8    19.6
2019 01 28    07 31 03.7 +22 47 22   0.9613  1.9256   163.4     8.4    19.6
2019 01 29    07 30 23.9 +23 01 47   0.9703  1.9315   162.2     9.0    19.7
...
2019 02 04    07 27 04.0 +24 21 07   1.0288  1.9669   155.0    12.2    20.0
...
2019 02 12    07 24 33.7 +25 47 59   1.1189  2.0148   146.1    15.9    20.3
...
2019 02 27    07 26 01.0 +27 38 17   1.3193  2.1058   131.0    20.8    20.9

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-B120



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