[Iaude] MPEC X72: 2018 XJ1 [a=1.75,e=0.43,i=5.5,H=26.6]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Mon Dec 10 23:11:17 EST 2018


M.P.E.C. 2018-X72                                Issued 2018 Dec. 11, 04:08 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 XJ1
 
Observations:
     K18X01J* C2018 12 09.27956 03 54 03.49 -19 05 51.7          19.4 GVEX072703
     K18X01J  C2018 12 09.29002 03 54 18.96 -19 03 54.7          19.7 GVEX072703
     K18X01J  C2018 12 09.29525 03 54 26.83 -19 02 54.9          19.6 GVEX072703
     K18X01J  C2018 12 09.32050 03 55 04.63 -18 58 06.6          19.5 GVEX072I52
     K18X01J  C2018 12 09.32123 03 55 05.74 -18 57 57.8          19.4 GVEX072I52
     K18X01J  C2018 12 09.32196 03 55 06.82 -18 57 49.9          19.7 GVEX072I52
     K18X01J  C2018 12 09.32269 03 55 07.94 -18 57 41.2          19.6 GVEX072I52
     K18X01J  C2018 12 09.32392103 55 08.59 -18 57 31.0          19.6 GVEX072H01
     K18X01J  C2018 12 09.32922203 55 16.61 -18 56 29.7          19.3 GVEX072H01
     K18X01J  C2018 12 09.34130003 55 35.07 -18 54 08.5          18.9 GVEX072H01
     K18X01J  C2018 12 09.34542103 55 41.38 -18 53 20.0          19.6 GVEX072H01
     K18X01J  C2018 12 09.35665 03 55 59.67 -18 51 04.5          20.0 GVEX072I52
     K18X01J  C2018 12 09.35738 03 56 00.81 -18 50 55.8          19.2 GVEX072I52
     K18X01J  C2018 12 09.35811 03 56 01.92 -18 50 47.1          19.6 GVEX072I52
     K18X01J  C2018 12 09.35884 03 56 03.03 -18 50 38.8          19.6 GVEX072I52
     K18X01J IC2018 12 09.92103104 12 56.83 -16 54 19.7          19.2 GVEX072L01
     K18X01J IC2018 12 09.92132604 12 57.35 -16 54 15.5          19.0 GVEX072L01
     K18X01J pC2018 12 09.92300904 13 00.28 -16 53 53.0          19.3 GVEX072L01
     K18X01J pC2018 12 09.92340504 13 00.92 -16 53 47.2          19.4 GVEX072L01
     K18X01J  C2018 12 10.14303 04 20 25.52 -15 59 47.4          19.1 GVEX072I52
     K18X01J  C2018 12 10.14322 04 20 25.83 -15 59 44.1          20.1 GVEX072I52
     K18X01J  C2018 12 10.14340 04 20 26.25 -15 59 42.7          19.4 GVEX072I52
     K18X01J  C2018 12 10.14358 04 20 26.53 -15 59 39.1          19.0 GVEX072I52
     K18X01J KC2018 12 10.92025 04 47 50.46 -12 22 58.0                VEX072104
     K18X01J KC2018 12 10.92438 04 47 59.32 -12 21 40.5          18.9  VEX072104
     K18X01J KC2018 12 10.92674 04 48 04.39 -12 20 55.9          19.1  VEX072104
     K18X01J KC2018 12 10.97019 04 49 38.76 -12 07 16.2          19.0 GVEX072587
     K18X01J KC2018 12 10.97047 04 49 39.34 -12 07 11.0                VEX072587
     K18X01J KC2018 12 10.97452 04 49 48.10 -12 05 51.9                VEX072587
 
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. Fumagalli, P. Sicoli, A. Testa.  Measurer
    P. Sicoli.  0.5-m f/6.8 reflector + CCD.
703 Catalina Sky Survey.  Observer B. M. Africano.  Measurers B. M. Africano,
    E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
    H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman,
    F. C. Shelly.  0.68-m Schmidt + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers H. Groeller,
    G. J. Leonard.  Measurers B. M. Africano, E. J. Christensen,
    G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller,
    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 XJ1                                                 Earth MOID = 0.0132 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  56.37833              (2000.0)            P               Q
n   0.42561151     Peri.  359.83126     +0.10705741     -0.98970179
a   1.7503590      Node    84.02225     +0.91232103     +0.05979459
e   0.4303515      Incl.    5.48246     +0.39523290     +0.13005760
P   2.32           H   26.6           G   0.15           U   7
Residuals in seconds of arc
181209 703  0.9+  0.1-    181209 H01  0.1-  0.1+    181210 I52  0.7-  0.3+
181209 703  0.2-  0.6-    181209 I52  0.2-  0.0     181210 I52  0.6+  0.8-
181209 703  0.9+  0.0     181209 I52  0.0   0.1+    181210 I52  0.2-  0.2+
181209 I52  0.3-  0.1-    181209 I52  0.1-  0.1+    181210 104  0.2-  0.5+
181209 I52  0.2-  0.3+    181209 I52  0.3-  0.2-    181210 104  0.1-  0.0
181209 I52  0.5-  0.2-    181209 L01  0.2+  0.4+    181210 104  0.0   0.0
181209 I52  0.2-  0.1+    181209 L01  0.3+  0.5+    181210 587  0.5+  0.4-
181209 H01  0.3+  0.1+    181209 L01  0.3+  0.2-    181210 587  0.1+  0.6-
181209 H01  0.2-  0.1-    181209 L01  0.5-  0.2+    181210 587  0.2-  0.4+
181209 H01  0.1+  0.0     181210 I52  0.0   0.2-

Ephemeris:
2018 XJ1                 a,e,i = 1.75, 0.43, 5                   q = 0.9971
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 11    01 26 40.3 -27 21 05   0.1164  1.0682   129.6    45.6    23.8
...
2018 11 26    01 45 17.1 -28 31 14   0.06397 1.0206   120.2    56.7    22.7
...
2018 12 04    02 27 26.5 -26 41 22   0.03651 1.0053   121.6    56.7    21.5
...
2018 12 10    04 15 25.5 -16 29 12   0.01857 0.9989   138.7    40.6    19.5
2018 12 11    04 50 48.6 -11 50 27   0.01650 0.9983   144.9    34.6    19.1
2018 12 12    05 33 03.7 -05 41 57   0.01503 0.9978   150.9    28.7    18.7
...
2018 12 18    09 40 13.5 +26 19 53   0.02244 0.9974   126.2    52.7    20.3
...
2018 12 26    11 18 18.6 +31 33 42   0.04826 1.0040   113.9    63.6    22.3
...
2019 01 10    11 52 00.2 +32 53 46   0.09934 1.0371   120.3    54.9    23.7

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-X72



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