[Iaude] MPEC M49: 2018 MY4 [a=1.55,e=0.29,i=27.9,H=22.8]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Tue Jun 19 18:09:17 EDT 2018
M.P.E.C. 2018-M49 Issued 2018 June 19, 22:05 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 MY4
Observations:
K18M04Y C2018 06 14.35631115 44 04.286-16 36 24.32 21.0 GVEM049F51
K18M04Y C2018 06 14.36744515 44 03.533-16 34 47.05 20.6 GVEM049F51
K18M04Y* C2018 06 17.31913 15 41 55.180-09 23 44.73 21.1 wUEM049F51
K18M04Y C2018 06 17.32886 15 41 54.641-09 22 19.77 20.4 wUEM049F51
K18M04Y C2018 06 17.34828 15 41 53.567-09 19 29.75 20.8 wUEM049F51
K18M04Y |C2018 06 18.05681 15 41 28.95 -07 35 45.1 20.9 VuEM049807
K18M04Y |C2018 06 18.06131 15 41 28.71 -07 35 06.1 20.7 VuEM049807
K18M04Y |C2018 06 18.06593 15 41 28.48 -07 34 26.0 21.3 VuEM049807
K18M04Y C2018 06 18.17438 15 41 24.84 -07 19 27.2 20.5 GUEM049I52
K18M04Y C2018 06 18.17534 15 41 24.76 -07 19 19.3 20.8 GUEM049I52
K18M04Y C2018 06 18.17630 15 41 24.67 -07 19 10.7 20.5 GUEM049I52
K18M04Y C2018 06 18.17726 15 41 24.67 -07 19 02.1 20.5 GUEM049I52
K18M04Y HC2018 06 18.89665 15 41 00.51 -05 35 15.6 21 GVEM049204
K18M04Y HC2018 06 18.91726 15 40 59.57 -05 32 17.6 VEM049204
K18M04Y C2018 06 19.35406 15 40 45.02 -04 29 32.0 19.4 GUEM049I52
K18M04Y C2018 06 19.35675 15 40 44.92 -04 29 08.2 20.4 GUEM049I52
K18M04Y C2018 06 19.35799 15 40 44.90 -04 28 57.8 20.4 GUEM049I52
K18M04Y C2018 06 19.36241 15 40 44.68 -04 28 19.8 20.3 GUEM049I52
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector
+ CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 astrograph
+ CCD, 1.00-m f/10.0 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer B. M. Africano.
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.
Orbital elements:
2018 MY4 Earth MOID = 0.1713 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 288.11765 (2000.0) P Q
n 0.51304246 Peri. 53.34990 +0.56862931 +0.68330175
a 1.5453749 Node 257.94912 -0.82084305 +0.50764326
e 0.2928327 Incl. 27.92500 +0.05364130 +0.52478285
P 1.92 H 22.8 G 0.15 U 7
Residuals in seconds of arc
180614 F51 0.0 0.1- 180618 807 0.1- 0.1- 180618 204 0.1+ 0.1+
180614 F51 0.0 0.1+ 180618 807 0.1- 0.2- 180618 204 0.4- 0.2+
180617 F51 0.0 0.1+ 180618 I52 0.7+ 0.2+ 180619 I52 0.1- 0.4-
180617 F51 0.1- 0.1- 180618 I52 0.2+ 0.3- 180619 I52 0.0 0.3+
180617 F51 0.1- 0.0 180618 I52 0.4- 0.0 180619 I52 0.5+ 0.0
180618 807 0.1+ 0.0 180618 I52 0.3+ 0.2+ 180619 I52 0.3- 0.0
Ephemeris:
2018 MY4 a,e,i = 1.55, 0.29, 28 q = 1.0928
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 05 20 16 19 00.1 -56 29 38 0.3326 1.2926 142.9 28.2 22.2
...
2018 06 04 15 55 58.1 -38 48 55 0.2313 1.2346 160.3 16.1 20.9
...
2018 06 12 15 46 13.0 -22 13 03 0.2025 1.2061 158.4 18.0 20.7
...
2018 06 18 15 41 30.1 -07 44 24 0.1978 1.1861 146.6 28.1 20.9
2018 06 19 15 40 57.5 -05 19 57 0.1985 1.1829 144.3 30.1 21.0
2018 06 20 15 40 29.0 -02 57 21 0.1996 1.1798 142.0 32.0 21.0
...
2018 06 26 15 39 02.8 +10 11 50 0.2135 1.1618 128.7 43.1 21.4
...
2018 07 04 15 40 29.2 +23 45 06 0.2467 1.1405 114.3 54.3 22.0
...
2018 07 19 15 51 18.7 +38 44 20 0.3282 1.1103 97.9 65.0 22.9
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-M49
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