[Iaude] MPEC Y94: 2018 YM2 [a=1.08,e=0.16,i=19.6,H=24.7]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sat Dec 29 21:13:16 EST 2018


M.P.E.C. 2018-Y94                                Issued 2018 Dec. 30, 02:10 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 YM2
 
Observations:
     K18Y02M* C2018 12 28.56279008 43 58.46 +39 11 35.5          17.79oVEY094T05
     K18Y02M  C2018 12 28.56853608 43 53.10 +39 07 40.1          17.37oVEY094T05
     K18Y02M  C2018 12 28.58288708 43 39.76 +38 57 48.8          17.19oVEY094T05
     K18Y02M KC2018 12 28.90958208 40 02.13 +34 55 49.2          17.5 GVEY094L01
     K18Y02M KC2018 12 28.91000708 40 01.77 +34 55 30.0          17.5 GVEY094L01
     K18Y02M KC2018 12 28.91199408 40 00.07 +34 53 58.6          17.3 GVEY094L01
     K18Y02M KC2018 12 28.91257008 39 59.57 +34 53 32.3          17.3 GVEY094L01
     K18Y02M KC2018 12 28.91299208 39 59.22 +34 53 12.4          17.3 GVEY094L01
     K18Y02M KC2018 12 28.91369908 39 58.60 +34 52 40.2          17.2 GVEY094L01
     K18Y02M KC2018 12 28.91427208 39 58.10 +34 52 14.0          17.3 GVEY094L01
     K18Y02M KC2018 12 28.93172 08 39 44.18 +34 38 33.7          17.0 GVEY094K38
     K18Y02M KC2018 12 28.93455 08 39 41.74 +34 36 22.2          17.1 GVEY094K38
     K18Y02M KC2018 12 28.93737 08 39 39.30 +34 34 10.8          17.1 GVEY094K38
     K18Y02M KC2018 12 28.93834 08 39 34.63 +34 33 33.6          17.2 RoEY094K88
     K18Y02M KC2018 12 28.94030 08 39 32.88 +34 32 02.2          17.6 RoEY094K88
     K18Y02M KC2018 12 28.94226 08 39 31.14 +34 30 29.5          17.5 RoEY094K88
     K18Y02M KC2018 12 28.96427 08 39 15.71 +34 13 11.8          17.7 GVEY094K38
     K18Y02M KC2018 12 28.96712 08 39 13.21 +34 10 57.0          17.0 GVEY094K38
     K18Y02M KC2018 12 28.96995 08 39 10.64 +34 08 43.4          17.1 GVEY094K38
     K18Y02M KC2018 12 28.98104 08 39 00.50 +34 00 12.7          17.0  VEY094104
     K18Y02M KC2018 12 28.98434 08 38 57.51 +33 57 35.6                VEY094104
     K18Y02M KC2018 12 28.98764 08 38 54.53 +33 54 58.0          17.3  VEY094104
     K18Y02M KC2018 12 28.98929 08 38 53.03 +33 53 38.9          17.0  VEY094104
     K18Y02M KC2018 12 28.98974 08 38 48.62 +33 53 00.2          16.2 RoEY094K88
     K18Y02M KC2018 12 28.99064 08 38 47.80 +33 52 17.0          16.3 RoEY094K88
     K18Y02M KC2018 12 28.99155 08 38 46.99 +33 51 33.6          16.3 RoEY094K88
     K18Y02M KC2018 12 28.99246 08 38 46.15 +33 50 49.8          16.5 RoEY094K88
     K18Y02M KC2018 12 28.99337 08 38 45.34 +33 50 06.0          17.0 RoEY094K88
     K18Y02M KC2018 12 29.00405 08 38 35.62 +33 41 31.1          16.6 RoEY094K88
     K18Y02M KC2018 12 29.00496 08 38 34.81 +33 40 47.8          17.1 RoEY094K88
     K18Y02M KC2018 12 29.00586 08 38 33.98 +33 40 03.1          16.9 RoEY094K88
     K18Y02M KC2018 12 29.00677 08 38 33.14 +33 39 18.7                oEY094K88
     K18Y02M KC2018 12 29.00768 08 38 32.29 +33 38 35.4                oEY094K88
     K18Y02M KC2018 12 29.02408 08 38 17.38 +33 25 17.6          16.5 RoEY094K88
     K18Y02M KC2018 12 29.02499 08 38 16.55 +33 24 33.2          16.3 RoEY094K88
     K18Y02M KC2018 12 29.02590 08 38 15.71 +33 23 49.2          16.8 RoEY094K88
     K18Y02M KC2018 12 29.02680 08 38 14.88 +33 23 04.8          16.8 RoEY094K88
     K18Y02M KC2018 12 29.02771 08 38 14.07 +33 22 20.1          17.1 RoEY094K88
     K18Y02M  C2018 12 29.42518508 32 58.48 +27 33 24.1          17.60RUEY094I41
     K18Y02M  C2018 12 29.42553208 32 58.06 +27 33 04.6          17.60RUEY094I41
     K18Y02M  C2018 12 29.42564108 32 57.98 +27 32 59.6          17.70RUEY094I41
     K18Y02M  C2018 12 29.42598808 32 57.57 +27 32 39.2          17.70RUEY094I41
     K18Y02M  C2018 12 29.70210 08 29 19.17 +22 56 40.3          17.8 RrEY094P93
     K18Y02M  C2018 12 29.70303 08 29 18.25 +22 55 41.9          18.1 RrEY094P93
     K18Y02M  C2018 12 29.70395 08 29 17.32 +22 54 44.7          18.0 RrEY094P93
     K18Y02M  C2018 12 29.70488 08 29 16.43 +22 53 45.8          17.7 RrEY094P93
     K18Y02M KC2018 12 29.80675408 28 15.65 +21 01 41.9          17.3 GVEY094587
     K18Y02M KC2018 12 29.80813508 28 14.51 +21 00 13.2                VEY094587
     K18Y02M KC2018 12 29.80951508 28 13.37 +20 58 45.1                VEY094587
     K18Y02M KC2018 12 29.81747 08 28 06.60 +20 50 21.3          16.8 GVEY094595
     K18Y02M KC2018 12 29.82940 08 27 56.41 +20 37 31.1          16.3 GVEY094595
     K18Y02M KC2018 12 29.83569 08 27 50.99 +20 30 43.8          16.7 GVEY094595
     K18Y02M KC2018 12 29.85110 08 27 37.58 +20 14 01.2          16.6 GVEY094595
     K18Y02M KC2018 12 29.86218 08 27 28.53 +20 01 48.6          16.7 GVEY094204
     K18Y02M KC2018 12 29.86427 08 27 26.70 +19 59 31.7                VEY094204
     K18Y02M KC2018 12 29.86621 08 27 24.97 +19 57 24.4          17.2 GVEY094204
     K18Y02M KC2018 12 29.86882 08 27 22.67 +19 54 33.6                VEY094204
     K18Y02M KC2018 12 29.87947 08 27 11.20 +19 41 51.4          17.4 GVEY094Z99
     K18Y02M KC2018 12 29.88282 08 27 08.33 +19 38 11.0          16.9 GVEY094Z99
     K18Y02M KC2018 12 29.88558 08 27 05.91 +19 35 09.5          16.9 GVEY094Z99
     K18Y02M KC2018 12 29.91262 08 26 43.82 +19 06 27.1          17.9 VqEY094C77
     K18Y02M KC2018 12 29.91483 08 26 41.82 +19 03 59.1          17.3 VqEY094C77
     K18Y02M KC2018 12 29.91806 08 26 38.79 +19 00 23.9          16.7 VqEY094C77
     K18Y02M KC2018 12 29.92031 08 26 36.67 +18 57 53.5          16.8 VqEY094C77
 
Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri,
    M. D. Grazia.  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.
587 Sormano.  Observers P. Sicoli, A. Testa, G. Ventre.  Measurer P. Sicoli.
    0.5-m f/6.8 reflector + CCD.
595 Farra dIsonzo.  Observers U. Montanar, E. Pettarin, F. Piani.  Measurer
    E. Pettarin.  0.61-m f/4.5 reflector + CCD.
C77 Bernezzo Observatory.  Observer A. Mantero.  0.25-m f/1000.0 reflector +
    CCD.
I41 Palomar Mountain--ZTF.  Observer A. U. Tomatic.  Measurers D. Streaks,
    H.-W. Lin, F. J. Masci, Q.-Z. Ye.  1.2-m f/2.4 Schmidt.
K38 M57 Observatory, Saltrio.  Observer G. Baj.  0.3-m f/5.5 Ritchey-Chretien
    + CCD.
K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, V. Perovic, P. Kukic,
    M. Nikic, F. Beceic.  Measurer K. Korlevic.  1.0-m f/2.9 reflector + CCD.
P93 Space Tracking and Communications Center, JAXA.  Observers A. Asami,
    T. Nimura.  1.0-m f/3.0 reflector + CCD.
T05 ATLAS-HKO, Haleakala.  Observers L. Denneau, J. Tonry, A. Heinze,
    H. Weiland.  Measurers L. Denneau, J. Tonry, A. Heinze, H. Weiland,
    B. Stalder.  0.5-m reflector + CCD.
Z99 Clixby Observatory, Cleethorpes.  Observer A. Mickleburgh.  0.36-m f/8
    Schmidt-Cassegrain + CCD.
 
Orbital elements:
2018 YM2                                                 Earth MOID = 0.0153 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  50.43225              (2000.0)            P               Q
n   0.87387670     Peri.  248.94611     -0.92188218     -0.19998544
a   1.0835175      Node   278.31107     +0.33404865     -0.84419706
e   0.1581881      Incl.   19.59652     -0.19632814     -0.49733002
P   1.13           H   24.7           G   0.15           U   6
Residuals in seconds of arc
181228 T05  0.2+  0.6+    181228 104  0.0   0.4-    181229 P93  0.4+  1.0+
181228 T05  0.1+  0.7+    181228 K88  0.0   0.1-    181229 P93  0.9+  0.5+
181228 T05  0.1+  1.0+    181228 K88  0.1-  0.1-    181229 587  0.5-  0.1+
181228 L01  0.1-  0.2-    181228 K88  0.1+  0.1+    181229 587  0.5-  0.1+
181228 L01  0.0   0.1+    181228 K88  0.1-  0.0     181229 587  0.5-  0.6+
181228 L01  0.0   0.0     181228 K88  0.1+  0.0     181229 595  0.3+  0.0
181228 L01  0.1-  0.2+    181229 K88  0.2-  0.1-    181229 595  0.0   0.2+
181228 L01  0.1+  0.3-    181229 K88  0.0   0.6+    181229 595  0.0   0.4+
181228 L01  0.1-  0.0     181229 K88  0.1-  0.6-    181229 595  0.4+  0.1-
181228 L01  0.2-  0.2+    181229 K88  0.3-  0.9-    181229 204  0.0   0.2-
181228 K38  0.1-  0.2-    181229 K88  0.5-  0.2-    181229 204  0.1+  0.2-
181228 K38  0.1-  0.4-    181229 K88  0.1+  0.3-    181229 204  0.2-  0.5-
181228 K38  0.1-  0.8-    181229 K88  0.1+  0.2-    181229 204  0.1-  0.1-
181228 K88  0.3+  0.2+    181229 K88  0.0   0.2+    181229 Z99 (0.6-  1.7-)
181228 K88  0.0   0.4+    181229 K88  0.1-  0.1-    181229 Z99  0.1-  1.3-
181228 K88  0.1-  0.6-    181229 K88  0.2+  0.3-    181229 Z99  0.3-  0.6-
181228 K38  0.3-  0.2-    181229 I41 (1.7+  0.3-)   181229 C77  0.4-  0.5+
181228 K38  0.0   0.5-    181229 I41  0.6+  0.0     181229 C77  0.2+  0.3-
181228 K38  0.7-  0.4-    181229 I41  1.0+  1.3+    181229 C77  0.3-  0.1-
181228 104  0.1+  0.1+    181229 I41  0.1+  0.7+    181229 C77  0.7-  0.3-
181228 104  0.0   0.1+    181229 P93  0.5+  0.4+
181228 104  0.1+  0.1-    181229 P93  0.6+  0.4+

Ephemeris:
2018 YM2                 a,e,i = 1.08, 0.16, 20                  q = 0.9121
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 30    10 08 25.8 +76 28 30   0.2012  1.0772   111.8    58.3    23.5
...
2018 12 15    10 12 58.8 +73 12 59   0.1061  1.0377   117.6    57.2    22.0
...
2018 12 23    09 37 19.5 +65 55 02   0.05516 1.0169   125.9    51.6    20.4
...
2018 12 29    08 38 35.0 +33 47 10   0.02122 1.0018   150.1    29.3    17.6
2018 12 30    08 25 12.1 +17 32 39   0.01783 0.9993   153.5    26.0    17.1
2018 12 31    08 10 43.8 -03 38 37   0.01647 0.9969   145.1    34.3    17.2
...
2019 01 06    06 25 57.5 -69 27 17   0.04208 0.9825    87.7    89.9    21.0
...
2019 01 14    04 10 50.1 -79 01 18   0.09143 0.9647    75.5    99.2    23.0
...
2019 01 29    01 40 25.2 -80 29 59   0.1821  0.9368    69.5   100.0    24.5

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Y94



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