MPEC 2018-J84 : 2018 JA3
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M.P.E.C. 2018-J84 Issued 2018 May 15, 21:54 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 JA3
Observations:
K18J03A* C2018 05 13.23075 12 45 23.42 +00 41 58.3 20.6 GUEJ084G96
K18J03A C2018 05 13.23591 12 45 23.12 +00 41 33.7 20.3 GUEJ084G96
K18J03A C2018 05 13.24109 12 45 22.79 +00 41 09.1 20.3 GUEJ084G96
K18J03A C2018 05 13.24627 12 45 22.50 +00 40 44.6 20.5 GUEJ084G96
K18J03A C2018 05 13.30984 12 45 18.95 +00 35 44.2 20.0 GUEJ084I52
K18J03A C2018 05 13.31078 12 45 18.86 +00 35 39.9 20.0 GUEJ084I52
K18J03A C2018 05 13.31171 12 45 18.81 +00 35 35.6 20.3 GUEJ084I52
K18J03A C2018 05 13.31265 12 45 18.77 +00 35 30.6 19.6 GUEJ084I52
K18J03A !C2018 05 13.34124 12 45 17.39 +00 33 14.6 20.6 RtEJ084673
K18J03A !C2018 05 13.34779 12 45 17.04 +00 32 44.0 tEJ084673
K18J03A C2018 05 13.85411 12 44 55.35 -00 07 05.6 20.5 VSEJ084033
K18J03A C2018 05 13.85726 12 44 55.18 -00 07 20.6 20.9 VSEJ084033
K18J03A C2018 05 13.86040 12 44 55.05 -00 07 35.5 20.6 VSEJ084033
K18J03A C2018 05 13.86358 12 44 54.87 -00 07 50.6 21.0 VSEJ084033
K18J03A C2018 05 13.93175 12 44 51.35 -00 13 09.8 20.2 VSEJ084033
K18J03A C2018 05 13.93487 12 44 51.16 -00 13 24.7 20.6 VSEJ084033
K18J03A C2018 05 13.93795 12 44 51.01 -00 13 39.0 20.1 VSEJ084033
K18J03A KC2018 05 13.98799 12 44 48.83 -00 17 33.5 VEJ084J95
K18J03A KC2018 05 13.99628 12 44 48.33 -00 18 12.2 20.4 GVEJ084J95
K18J03A C2018 05 14.85764 12 44 13.39 -01 24 59.4 20.2 VSEJ084033
K18J03A C2018 05 14.87382 12 44 12.62 -01 26 14.7 20.3 VSEJ084033
K18J03A C2018 05 14.87723 12 44 12.47 -01 26 29.9 19.8 VSEJ084033
K18J03A C2018 05 14.88062 12 44 12.28 -01 26 45.4 19.3 VSEJ084033
K18J03A !C2018 05 15.17978 12 44 01.33 -01 49 38.1 tEJ084673
K18J03A !C2018 05 15.18682 12 44 01.00 -01 50 10.5 20.0 RtEJ084673
K18J03A C2018 05 15.20425212 43 59.82 -01 51 30.5 20.6 GVEJ084H01
K18J03A C2018 05 15.20750212 43 59.67 -01 51 45.5 20.7 GVEJ084H01
K18J03A C2018 05 15.21712212 43 59.20 -01 52 29.7 20.6 GVEJ084H01
K18J03A C2018 05 15.22494312 43 58.83 -01 53 05.6 20.6 GVEJ084H01
K18J03A C2018 05 15.25369 12 43 57.57 -01 55 17.1 20.2 GUEJ084I52
K18J03A C2018 05 15.25445 12 43 57.52 -01 55 20.5 20.5 GUEJ084I52
K18J03A C2018 05 15.25521 12 43 57.48 -01 55 23.6 20.5 GUEJ084I52
K18J03A C2018 05 15.25597 12 43 57.44 -01 55 27.4 20.5 GUEJ084I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Pittichova. 1.0-m
f/15 reflector + CCD.
G96 Mt. Lemmon Survey. 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. 1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers R. A. Kowalski,
J. A. Johnson. 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.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2018 JA3 Earth MOID = 0.2323 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 347.25598 (2000.0) P Q
n 0.42073016 Peri. 159.40228 -0.88382087 +0.39054609
a 1.7638715 Node 46.37579 -0.46336285 -0.65492521
e 0.3044967 Incl. 20.84232 -0.06446349 -0.64695186
P 2.34 H 21.3 G 0.15 U 8
Residuals in seconds of arc
180513 G96 0.4+ 0.1+ 180513 033 0.1- 0.1+ 180514 033 0.4- 0.1-
180513 G96 0.3+ 0.1- 180513 033 0.4+ 0.1- 180515 673 0.4+ 0.1+
180513 G96 0.2- 0.2- 180513 033 0.2+ 0.3- 180515 673 0.6+ 0.0
180513 G96 0.1- 0.2- 180513 033 0.1+ 0.1+ 180515 H01 0.0 0.0
180513 I52 0.3+ 0.0 180513 033 0.3- 0.2- 180515 H01 0.1+ 0.0
180513 I52 0.3- 0.2+ 180513 033 0.2- 0.1- 180515 H01 0.1- 0.0
180513 I52 0.3- 0.3+ 180513 J95 1.1+ 0.1- 180515 H01 0.0 0.0
180513 I52 0.1- 0.3- 180513 J95 0.2- 0.0 180515 I52 0.3+ 0.1-
180513 673 0.1- 0.3- 180514 033 0.0 0.3- 180515 I52 0.0 0.0
180513 673 0.1- 0.0 180514 033 0.1- 0.8- 180515 I52 0.0 0.4+
180513 033 0.0 0.3+ 180514 033 0.1+ 0.2- 180515 I52 0.1- 0.0
Ephemeris:
2018 JA3 a,e,i = 1.76, 0.30, 21 q = 1.2268
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 04 15 13 35 02.1 +35 40 37 0.2945 1.2284 134.7 35.5 20.5
...
2018 04 30 13 02 29.7 +18 44 12 0.2709 1.2286 140.6 31.4 20.3
...
2018 05 08 12 50 34.0 +07 46 07 0.2773 1.2341 139.8 31.8 20.3
...
2018 05 14 12 44 49.0 -00 18 02 0.2914 1.2407 137.3 33.5 20.5
2018 05 15 12 44 07.9 -01 35 29 0.2945 1.2420 136.8 33.9 20.5
2018 05 16 12 43 31.5 -02 51 44 0.2979 1.2434 136.3 34.2 20.6
...
2018 05 22 12 41 29.2 -10 00 21 0.3217 1.2526 132.6 36.5 20.8
...
2018 05 30 12 42 45.4 -18 07 18 0.3625 1.2679 127.6 39.3 21.2
...
2018 06 14 12 55 35.4 -29 22 07 0.4595 1.3046 119.5 42.7 21.8
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-J84
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