[Iaude] MPEC Y91: 2018 YJ2 [a=1.16,e=0.40,i=6.5,H=22.0,PHA]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Fri Dec 28 10:59:23 EST 2018


M.P.E.C. 2018-Y91                                Issued 2018 Dec. 28, 15:56 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 YJ2
 
Observations:
     K18Y02J* C2018 12 26.57396809 16 19.25 +81 04 57.1          18.19oVEY091T08
     K18Y02J  C2018 12 26.57818409 15 53.53 +81 04 22.6          18.29oVEY091T08
     K18Y02J  C2018 12 26.59004509 14 40.32 +81 02 42.7          17.88oVEY091T08
     K18Y02J  C2018 12 26.60054509 13 35.82 +81 01 13.1          17.89oVEY091T08
     K18Y02J KC2018 12 26.80844608 55 51.41 +80 29 12.3          18.1 GVEY091L01
     K18Y02J KC2018 12 26.80903508 55 48.47 +80 29 07.3          18.1 GVEY091L01
     K18Y02J KC2018 12 26.81042308 55 41.52 +80 28 55.6          18.1 GVEY091L01
     K18Y02J KC2018 12 26.81236308 55 31.79 +80 28 39.5          18.1 GVEY091L01
     K18Y02J KC2018 12 26.81335808 55 26.80 +80 28 31.0          18.0 GVEY091L01
     K18Y02J KC2018 12 26.83908 08 53 16.48 +80 25 02.0          17.8 RoEY091K88
     K18Y02J KC2018 12 26.84108 08 53 06.51 +80 24 45.1          17.8 RoEY091K88
     K18Y02J KC2018 12 26.84308 08 52 56.61 +80 24 28.0          17.7 RoEY091K88
     K18Y02J KC2018 12 26.84509 08 52 46.65 +80 24 10.9          17.8 RoEY091K88
     K18Y02J KC2018 12 26.84709 08 52 36.68 +80 23 53.8          17.8 RoEY091K88
     K18Y02J KC2018 12 26.84909 08 52 26.74 +80 23 36.7          17.8 RoEY091K88
     K18Y02J KC2018 12 26.85110 08 52 16.83 +80 23 19.6          17.9 RoEY091K88
     K18Y02J KC2018 12 26.85310 08 52 06.90 +80 23 02.5          17.8 RoEY091K88
     K18Y02J KC2018 12 26.85510 08 51 57.07 +80 22 45.1          17.7 RoEY091K88
     K18Y02J KC2018 12 26.86044 08 51 34.82 +80 21 48.3          17.5  VEY091104
     K18Y02J KC2018 12 26.86679 08 51 03.61 +80 20 54.2          17.5  VEY091104
     K18Y02J KC2018 12 26.87103 08 50 42.95 +80 20 17.8          17.6  VEY091104
     K18Y02J KC2018 12 26.87315 08 50 32.53 +80 19 59.5          17.5  VEY091104
     K18Y02J KC2018 12 26.92475 08 46 22.62 +80 12 25.8          18.0 GVEY091K38
     K18Y02J KC2018 12 26.93222 08 45 47.03 +80 11 19.8          18.1 GVEY091K38
     K18Y02J KC2018 12 26.93992 08 45 10.22 +80 10 11.1          18.2 GVEY091K38
     K18Y02J KC2018 12 26.94353 08 44 47.38 +80 09 47.1          17.8 RoEY091K88
     K18Y02J KC2018 12 26.94508708 44 48.12 +80 09 23.6          18.0 GVEY091C95
     K18Y02J KC2018 12 26.94528 08 44 39.06 +80 09 31.6          17.8 RoEY091K88
     K18Y02J KC2018 12 26.94702 08 44 30.73 +80 09 15.6          17.7 RoEY091K88
     K18Y02J KC2018 12 26.94716 08 44 35.85 +80 09 06.4          18.4 GVEY091K38
     K18Y02J KC2018 12 26.94876 08 44 22.57 +80 09 00.1          17.8 RoEY091K88
     K18Y02J KC2018 12 26.95050 08 44 14.32 +80 08 44.2          17.9 RoEY091K88
     K18Y02J KC2018 12 26.95434608 44 04.25 +80 08 02.2          17.8 GVEY091C95
     K18Y02J KC2018 12 26.95500 08 43 58.80 +80 07 56.1          18.4 GVEY091K38
     K18Y02J KC2018 12 26.96360808 43 20.81 +80 06 37.5          18.5 GVEY091C95
     K18Y02J KC2018 12 26.96855 08 42 55.15 +80 05 54.1          18.6 GVEY091K38
     K18Y02J KC2018 12 26.97286808 42 37.46 +80 05 14.5          18.1 GVEY091C95
     K18Y02J KC2018 12 26.98313 08 42 02.17 +80 01 32.3          18.0 VqEY091W34
     K18Y02J KC2018 12 26.98926 08 41 35.83 +80 00 38.6          18.0 VqEY091W34
     K18Y02J KC2018 12 26.99898 08 40 53.82 +79 59 11.8          18.0 VqEY091W34
     K18Y02J KC2018 12 27.00697 08 40 19.69 +79 58 01.5          17.5 VqEY091W34
     K18Y02J 9C2018 12 27.05008 08 36 59.67 +79 53 28.0          17.4 VUEY091G40
     K18Y02J 9C2018 12 27.07121 08 35 24.62 +79 50 12.2          17.5 VUEY091G40
     K18Y02J  C2018 12 27.28115 08 21 46.34 +79 15 17.6          17.5  rEY091718
     K18Y02J  C2018 12 27.28276 08 21 40.18 +79 15 02.8          17.9  rEY091718
     K18Y02J  C2018 12 27.28437 08 21 33.88 +79 14 47.1          17.6  rEY091718
     K18Y02J  C2018 12 27.28597 08 21 27.84 +79 14 31.5          17.2  rEY091718
     K18Y02J  C2018 12 27.28758 08 21 21.81 +79 14 16.8          17.6  rEY091718
     K18Y02J  C2018 12 27.28918 08 21 15.59 +79 14 01.2          17.3  rEY091718
     K18Y02J KC2018 12 27.71783507 58 31.37 +77 59 26.1          17.9 GVEY091J95
     K18Y02J KC2018 12 27.72084107 58 23.34 +77 58 56.6          17.9 GVEY091J95
     K18Y02J KC2018 12 27.72319507 58 17.09 +77 58 33.5          18.1 GVEY091J95
     K18Y02J KC2018 12 27.72585307 58 09.99 +77 58 07.2          18.2 GVEY091J95
     K18Y02J KC2018 12 27.73983 07 57 37.79 +77 56 07.2          18.1 GVEY091595
     K18Y02J KC2018 12 27.74092 07 57 34.21 +77 55 50.8          18.2 GVEY091587
     K18Y02J KC2018 12 27.74192 07 57 31.86 +77 55 46.8          18.2 GVEY091595
     K18Y02J KC2018 12 27.74352 07 57 27.24 +77 55 25.4                VEY091587
     K18Y02J KC2018 12 27.74612 07 57 20.27 +77 55 00.0                VEY091587
     K18Y02J KC2018 12 27.75073 07 57 08.29 +77 54 20.9          18.3 GVEY091595
     K18Y02J KC2018 12 27.87587 07 51 36.60 +77 33 52.4          17.7 GVEY091K38
     K18Y02J KC2018 12 27.87846 07 51 29.77 +77 33 27.0          17.5 GVEY091K38
     K18Y02J KC2018 12 27.88104 07 51 23.04 +77 33 01.6          17.5 GVEY091K38
     K18Y02J KC2018 12 27.88363 07 51 16.29 +77 32 36.2          17.6 GVEY091K38
     K18Y02J  C2018 12 28.47241 07 30 29.19 +75 52 13.5          17.5 RmEY091P93
     K18Y02J  C2018 12 28.47324 07 30 27.52 +75 52 05.5          17.8 RmEY091P93
     K18Y02J  C2018 12 28.47408 07 30 26.07 +75 51 57.6          17.9 RmEY091P93
     K18Y02J  C2018 12 28.50635307 28 58.66 +75 47 52.2          17.71oVEY091T05
     K18Y02J  C2018 12 28.50864107 28 54.28 +75 47 28.4          17.77oVEY091T05
     K18Y02J  C2018 12 28.52612707 28 20.39 +75 44 29.9          17.81oVEY091T05
     K18Y02J  C2018 12 28.53633307 28 00.82 +75 42 45.1          18.27oVEY091T05
 
Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
    P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
587 Sormano.  Observers A. Carcano, E. Colzani, A. Fumagalli, A. Testa,
    G. Ventre.  Measurer A. Testa.  0.5-m f/6.8 reflector + CCD.
595 Farra dIsonzo.  Observer E. Pettarin.  0.40-m f/5.15 reflector + CCD.
718 Tooele.  Observer P. Wiggins.  0.35-m f/5.5 Schmidt-Cassegrain + CCD.
C95 SATINO Remote Observatory, Haute Provence.  Observer J. Jahn.  0.60-m
    f/3.2 Newtonian reflector + CCD.
G40 Slooh.com Canary Islands Observatory.  Observer B. Lutkenhoner.  0.5-m
    f/6.8 Corrected Dall-Kirkham + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3
    Schmidt-Cassegrain + CCD.
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.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
P93 Space Tracking and Communications Center, JAXA.  Observers S. Okumura,
    T. Fujiwara.  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.
T08 ATLAS-MLO, Mauna Loa.  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.
W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.2-m
    f/7.0 Schmidt-Cassegrain + CCD.
 
Orbital elements:
2018 YJ2                                            PHA, Earth MOID = 0.0331 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 145.92589              (2000.0)            P               Q
n   0.78817149     Peri.  293.31602     +0.99424791     +0.02932792
a   1.1607060      Node    65.13647     +0.01898574     +0.89828550
e   0.4037368      Incl.    6.51900     -0.10540697     +0.43843247
P   1.25           H   22.0           G   0.15           U   7
Residuals in seconds of arc
181226 T08 (0.0   1.6+)   181226 K38  0.3-  0.2-    181227 718  0.2+  0.6+
181226 T08 (0.9+  1.7+)   181226 K88  0.1-  0.2-    181227 J95  0.2-  0.2-
181226 T08  0.6+  0.2+    181226 C95  0.3+  0.4-    181227 J95  0.2-  0.1-
181226 T08  0.2-  1.2-    181226 K88  0.1-  0.1+    181227 J95  0.0   0.1+
181226 L01  0.1-  0.1+    181226 K88  0.2-  0.1-    181227 J95  0.0   0.0
181226 L01  0.1-  0.0     181226 K38  0.3-  0.3-    181227 595  0.4+  0.1+
181226 L01  0.1-  0.0     181226 K88  0.1+  0.1+    181227 587  0.0   0.3+
181226 L01  0.1-  0.1+    181226 K88  0.1+  0.0     181227 595  0.5-  0.0
181226 L01  0.2-  0.0     181226 C95  0.0   0.8+    181227 587  0.0   0.2+
181226 K88  0.1-  0.0     181226 K38  0.3-  0.3-    181227 587  0.0   0.2+
181226 K88  0.1-  0.2+    181226 C95  0.4+  0.8-    181227 595  0.0   0.1-
181226 K88  0.0   0.1+    181226 K38  0.1-  0.0     181227 K38  0.0   0.2-
181226 K88  0.0   0.2+    181226 C95  0.6+  0.2-    181227 K38  0.3-  0.1-
181226 K88  0.1-  0.2+    181226 W34  0.2-  0.6-    181227 K38  0.2-  0.1-
181226 K88  0.2-  0.2+    181226 W34  0.1+  0.1+    181227 K38  0.2-  0.0
181226 K88  0.0   0.3+    181226 W34  0.3-  0.4-    181228 P93  0.7+  0.1+
181226 K88  0.1-  0.3+    181227 W34  0.1+  0.2+    181228 P93  0.2+  0.0
181226 K88  0.1+  0.1+    181227 G40  0.2+  0.2-    181228 P93  0.6+  0.1+
181226 104  0.2+  0.2-    181227 G40  0.5-  0.0     181228 T05  0.1-  0.1+
181226 104  0.0   0.0     181227 718  0.3+  0.0     181228 T05  0.2+  0.4-
181226 104  0.2+  0.0     181227 718  0.3+  0.6+    181228 T05  0.1-  0.1-
181226 104  0.1+  0.1-    181227 718  0.0   0.3+    181228 T05  0.2-  0.0
181226 K38  0.0   0.1-    181227 718  0.2+  0.1+
181226 K38  0.2+  0.0     181227 718  0.5+  0.8+

Ephemeris:
2018 YJ2                 a,e,i = 1.16, 0.40, 7                   q = 0.6921
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 28    17 31 12.3 -25 10 17   0.1754  0.8218    18.1   158.0    28.1
...
2018 12 13    17 19 03.2 +01 23 25   0.06870 0.9224    24.5   153.7    25.2
...
2018 12 21    16 31 34.7 +57 09 16   0.04723 0.9787    82.5    94.8    18.7
...
2018 12 27    08 40 17.2 +80 00 11   0.06855 1.0208   121.4    55.3    18.2
2018 12 28    07 46 15.4 +77 12 21   0.07395 1.0278   125.2    51.4    18.3
2018 12 29    07 16 15.1 +74 25 07   0.07965 1.0348   128.5    48.1    18.4
...
2019 01 04    06 21 15.4 +62 18 50   0.1178  1.0762   140.0    35.9    19.0
...
2019 01 12    06 07 42.2 +53 50 15   0.1750  1.1301   144.2    30.6    19.8
...
2019 01 27    06 09 13.6 +45 47 24   0.2964  1.2251   139.5    31.5    21.1

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Y91



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