• Processing (Info)

    • MPEC 2018-R28 : 2018 RL

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    M.P.E.C. 2018-R28                                Issued 2018 Sept. 7, 02:31 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2018 RL

Observations:
     K18R00L* C2018 09 03.14814 19 18 10.57 +46 40 22.7          19.44rUER028I41
     K18R00L  C2018 09 03.18343 19 18 09.52 +46 40 32.6          19.44rUER028I41
     K18R00L  C2018 09 03.22456 19 18 08.31 +46 40 43.1          20.05gUER028I41
     K18R00L  C2018 09 03.29962 19 18 06.23 +46 41 00.0          19.50rUER028I41
     K18R00L KC2018 09 04.79488119 17 45.65 +46 47 05.5          20.4 GVER028L01
     K18R00L IC2018 09 04.81084 19 17 45.34 +46 47 08.7          20.8 GVER028595
     K18R00L KC2018 09 04.90634319 17 43.39 +46 47 28.5          20.5 GVER028L01
     K18R00L KC2018 09 04.90766 19 17 43.43 +46 47 28.6          20.8 GVER028595
     K18R00L pC2018 09 04.92416 19 17 43.10 +46 47 31.5          20.5 GVER028595
     K18R00L  C2018 09 05.23431 19 17 40.05 +46 48 44.9          20.6 GVER028I52
     K18R00L  C2018 09 05.25076 19 17 39.72 +46 48 47.7          20.3 GVER028I52
     K18R00L  C2018 09 05.26499 19 17 39.52 +46 48 49.8          19.6 GVER028I52
     K18R00L  C2018 09 05.28027 19 17 39.18 +46 48 52.2          20.6 GVER028I52
     K18R00L KC2018 09 05.86341 19 17 35.45 +46 50 49.3                qER028204
     K18R00L KC2018 09 05.87325 19 17 35.31 +46 50 51.3          19.9 RqER028204
     K18R00L KC2018 09 05.88516 19 17 35.14 +46 50 53.2                qER028204
     K18R00L  C2018 09 06.15565 19 17 34.29 +46 51 50.5          19.68rUER028I41
     K18R00L  C2018 09 06.18758 19 17 33.76 +46 51 56.4          19.79rUER028I41
     K18R00L  C2018 09 06.20553 19 17 33.26 +46 51 59.4          19.7 GVER028I52
     K18R00L  C2018 09 06.22237 19 17 32.99 +46 52 02.1          19.6 GVER028I52
     K18R00L  C2018 09 06.22493 19 17 33.13 +46 52 02.7          20.26gUER028I41
     K18R00L  C2018 09 06.23684 19 17 32.77 +46 52 04.5          19.7 GVER028I52
     K18R00L  C2018 09 06.25115 19 17 32.53 +46 52 06.1          19.5 GVER028I52
     K18R00L  C2018 09 06.25616 19 17 32.66 +46 52 07.4          20.21gUER028I41

Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector
    + CCD.
595 Farra d'Isonzo.  Observer E. Pettarin.  0.61-m f/4.0 reflector + CCD.
I41 Palomar Mountain--ZTF.  Observer A. U. Tomatic.  Measurers Q.-Z. Ye,
    F. Masci.  1.2-m f/2.4 Schmidt + ZTF camera.
I52 Steward Observatory, Mt. Lemmon Station.  Observers B. M. Africano,
    H. Groeller, J. A. Johnson.  Measurers B. M. Africano, E. J. Christensen,
    G. A. Farneth, 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.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, I. Lyon.  Measurer
    K. Korlevic.  1.0-m f/2.9 reflector + CCD.

Orbital elements:
2018 RL                                                  Earth MOID = 0.1296 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 280.13952              (2000.0)            P               Q
n   0.37902301     Peri.  153.19967     +0.92205293     -0.30520975
a   1.8910035      Node   226.73330     +0.26973573     +0.94774660
e   0.4203459      Incl.   19.08121     +0.27759869     +0.09286220
P   2.60           H   19.9           G   0.15           U   8
Residuals in seconds of arc
180903 I41  0.1+  0.1-    180904 595  0.0   0.1+    180906 I41  0.1+  0.0
180903 I41  0.0   0.1+    180905 I52  0.1-  0.0     180906 I41  0.1+  0.1-
180903 I41  0.0   0.0     180905 I52  0.2-  0.0     180906 I52  0.0   0.1-
180903 I41  0.1-  0.0     180905 I52  0.5+  0.1-    180906 I52  0.0   0.0
180904 L01  0.3-  0.0     180905 I52  0.2-  0.1-    180906 I41  0.1-  0.0
180904 595  0.1-  0.2-    180905 204  0.1-  0.0     180906 I52  0.0   0.3+
180904 L01  0.2-  0.0     180905 204  0.0   0.2+    180906 I52  0.3-  0.1-
180904 595  0.3+  0.1+    180905 204  0.2+  0.1+    180906 I41  0.0   0.0

Ephemeris:
2018 RL                  a,e,i = 1.89, 0.42, 19                  q = 1.0961
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 08 08    19 42 50.7 +41 35 55   0.4928  1.3231   118.7    42.3    20.6
...
2018 08 23    19 25 21.9 +45 19 05   0.4412  1.2482   112.4    48.5    20.4
...
2018 08 31    19 19 28.3 +46 23 46   0.4136  1.2123   109.6    51.7    20.3
...
2018 09 06    19 17 35.0 +46 51 16   0.3918  1.1878   107.8    53.9    20.2
2018 09 07    19 17 31.3 +46 54 14   0.3881  1.1839   107.5    54.3    20.2
2018 09 08    19 17 32.4 +46 56 47   0.3843  1.1801   107.2    54.6    20.2
...
2018 09 14    19 19 28.0 +47 03 22   0.3610  1.1587   106.0    56.6    20.1
...
2018 09 22    19 27 35.3 +46 50 34   0.3276  1.1345   105.2    58.6    19.9
...
2018 10 07    20 05 21.9 +44 59 25   0.2596  1.1043   107.1    59.9    19.3

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-R28

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