[Iaude] MPEC L75: 2018 LM4 [a=1.05,e=0.20,i=33.1,H=18.5]

Thu Jun 14 10:41:17 EDT 2018

M.P.E.C. 2018-L75                                Issued 2018 June 14, 14:37 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 LM4
 
Observations:
     K18L04M* C2018 06 11.44999 23 26 49.05 +13 23 52.7          19.8 GUEL075G96
     K18L04M  C2018 06 11.45434 23 26 49.92 +13 23 49.8          20.0 GUEL075G96
     K18L04M  C2018 06 11.45867 23 26 50.85 +13 23 48.2          20.3 GUEL075G96
     K18L04M  C2018 06 11.46300 23 26 51.79 +13 23 46.3          20.4 GUEL075G96
     K18L04M KC2018 06 12.03060 23 28 55.38 +13 19 05.5          20.4 VUEL075L01
     K18L04M KC2018 06 12.03550 23 28 56.46 +13 19 03.7          20.5 VUEL075L01
     K18L04M pC2018 06 12.04040 23 28 57.46 +13 18 59.6          20.8 VUEL075L01
     K18L04M  C2018 06 12.40668 23 30 17.76 +13 15 58.6          19.8 GUEL075I52
     K18L04M  C2018 06 12.41080 23 30 18.64 +13 15 57.6          19.4 GUEL075I52
     K18L04M  C2018 06 12.41491 23 30 19.72 +13 15 56.3          21.1 GUEL075I52
     K18L04M KC2018 06 13.11960 23 32 55.16 +13 09 47.0          19.6 RVEL075J04
     K18L04M KC2018 06 13.12157 23 32 55.62 +13 09 45.6          19.1 RVEL075J04
     K18L04M KC2018 06 13.12354 23 32 56.05 +13 09 44.9          19.5 RVEL075J04
     K18L04M  C2018 06 13.42101 23 34 02.01 +13 07 03.7          19.9 GUEL075I52
     K18L04M  C2018 06 13.43233 23 34 04.49 +13 06 57.6          20.9 GUEL075I52
     K18L04M  C2018 06 13.43309 23 34 04.67 +13 06 56.9          19.8 GUEL075I52
     K18L04M  C2018 06 14.45696 23 37 54.21 +12 57 19.3                UEL075I52
     K18L04M  C2018 06 14.45743 23 37 54.42 +12 57 18.5                UEL075I52
     K18L04M  C2018 06 14.45850 23 37 54.62 +12 57 19.0          19.1 GUEL075I52
 
Observer details:
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  Measurers B. M. Africano,
    E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller,
    J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman,
    F. C. Shelly.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers B. M. Africano,
    D. C. Fuls.  Measurers B. M. Africano, E. J. Christensen, D. C. Fuls,
    A. R. Gibbs, A. D. Grauer, H. Groeller, J. A. Johnson, R. A. Kowalski,
    S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly.  1.0-m reflector
    + CCD.
J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers
    A. Knoefel, D. Koschny, M. Busch, M. Micheli, E. Schwab.  1.0-m f/4.4
    reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
 
Orbital elements:
2018 LM4                                                 Earth MOID = 0.0628 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 169.39639              (2000.0)            P               Q
n   0.92053552     Peri.  297.02459     +0.25007205     -0.87897338
a   1.0465878      Node   132.01875     +0.96151776     +0.27473100
e   0.2006070      Incl.   33.13023     -0.11378734     +0.38978028
P   1.07           H   18.5           G   0.15           U   9
Residuals in seconds of arc
180611 G96  0.6+  0.5+    180612 I52  0.5-  0.4-    180613 I52  0.2-  0.0
180611 G96  0.2-  0.4-    180612 I52  0.7-  0.7+    180613 I52  0.0   0.3-
180611 G96  0.1-  0.0     180612 I52  2.1+  1.4+    180614 I52  0.8-  0.1-
180611 G96  0.1+  0.2+    180613 J04  0.1-  0.2+    180614 I52  0.7+  0.6-
180612 L01  0.2-  0.4-    180613 J04  0.3+  0.2-    180614 I52  0.1+  0.5+
180612 L01  0.0   0.2+    180613 J04  0.2+  0.1+
180612 L01  0.9-  1.5-    180613 I52  0.1-  0.1+

Ephemeris:
2018 LM4                 a,e,i = 1.05, 0.20, 33                  q = 0.8366
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 05 15    22 01 30.0 +14 27 25   0.9506  1.2245    77.2    53.6    20.8
...
2018 05 30    22 45 11.2 +14 25 58   0.8285  1.1976    80.4    56.6    20.5
...
2018 06 07    23 11 12.0 +13 54 13   0.7613  1.1802    81.9    58.4    20.4
...
2018 06 13    23 32 27.8 +13 10 56   0.7111  1.1658    82.9    59.8    20.2
2018 06 14    23 36 10.7 +13 01 47   0.7028  1.1633    83.1    60.1    20.2
2018 06 15    23 39 56.8 +12 52 02   0.6946  1.1607    83.2    60.3    20.2
...
2018 06 21    00 03 46.0 +11 39 46   0.6463  1.1449    83.9    62.0    20.1
...
2018 06 29    00 39 14.0 +09 20 58   0.5867  1.1222    84.3    64.3    19.9
...
2018 07 14    01 59 05.8 +02 26 28   0.5014  1.0757    82.8    69.6    19.6

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-L75