[Iaude] MPEC E101: 2018 EA4 [a=2.86,e=0.63,i=15.0,H=23.2]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Tue Mar 13 19:13:16 EDT 2018
M.P.E.C. 2018-E101 Issued 2018 Mar. 13, 23:10 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 EA4
Observations:
K18E04A* C2018 03 12.25221 08 44 38.74 +30 02 49.5 19.4 GUEE101703
K18E04A C2018 03 12.26359 08 44 47.50 +30 04 47.6 19.2 GUEE101703
K18E04A C2018 03 12.26927 08 44 51.82 +30 05 46.5 19.2 GUEE101703
K18E04A KC2018 03 12.83316 08 52 40.10 +31 42 41.2 19.4 RtEE101B49
K18E04A KC2018 03 12.83763 08 52 43.51 +31 43 25.1 19.4 RtEE101B49
K18E04A KC2018 03 12.83920 08 52 44.72 +31 43 40.5 19.4 RtEE101B49
K18E04A KC2018 03 12.90698 08 53 37.93 +31 55 03.7 19.3 RoEE101K88
K18E04A KC2018 03 12.91089 08 53 41.12 +31 55 43.8 18.9 RoEE101K88
K18E04A KC2018 03 12.91481 08 53 44.29 +31 56 23.5 18.8 RoEE101K88
K18E04A KC2018 03 12.98500408 54 42.55 +32 08 21.4 20.2 VqEE101C95
K18E04A KC2018 03 13.00952908 55 02.70 +32 12 26.6 20.6 VqEE101C95
K18E04A C2018 03 13.10609 08 56 32.54 +32 29 08.1 19.8 GUEE101I52
K18E04A C2018 03 13.10627 08 56 32.73 +32 29 10.6 19.2 GUEE101I52
K18E04A C2018 03 13.10645 08 56 32.85 +32 29 11.3 19.6 GUEE101I52
K18E04A C2018 03 13.19357 08 57 44.15 +32 43 59.6 19.7 GUEE101G96
K18E04A C2018 03 13.19874 08 57 48.40 +32 44 52.0 19.3 GUEE101G96
K18E04A C2018 03 13.20392 08 57 52.64 +32 45 44.6 19.5 GUEE101G96
K18E04A C2018 03 13.20910 08 57 56.88 +32 46 36.7 19.4 GUEE101G96
K18E04A KC2018 03 13.21375908 57 58.45 +32 47 07.8 19.7 VuEE101H21
K18E04A KC2018 03 13.21592808 58 00.24 +32 47 29.3 19.7 VuEE101H21
K18E04A KC2018 03 13.21843008 58 02.30 +32 47 54.3 19.6 VuEE101H21
K18E04A KC2018 03 13.22126208 58 04.65 +32 48 22.5 19.5 VuEE101H21
K18E04A KC2018 03 13.81559 09 06 50.15 +34 26 33.1 20.4 RUEE101K51
K18E04A KC2018 03 13.81686 09 06 51.25 +34 26 46.0 20.4 RUEE101K51
K18E04A KC2018 03 13.81814 09 06 52.35 +34 26 58.1 19.8 RUEE101K51
K18E04A KC2018 03 13.86054 09 07 29.08 +34 33 57.9 19.0 UEE101K63
K18E04A KC2018 03 13.86310 09 07 31.22 +34 34 22.5 19.2 UEE101K63
K18E04A KC2018 03 13.86583 09 07 33.57 +34 34 49.0 19.1 UEE101K63
K18E04A KC2018 03 13.88100 09 07 45.75 +34 37 09.9 18.8 RoEE101K88
K18E04A KC2018 03 13.88448 09 07 48.74 +34 37 43.9 19.1 RoEE101K88
K18E04A KC2018 03 13.88796 09 07 51.74 +34 38 17.2 18.8 RoEE101K88
K18E04A KC2018 03 13.90775 09 08 09.97 +34 41 34.9 20.0 VqEE101C77
K18E04A KC2018 03 13.91407 09 08 15.46 +34 42 39.0 19.5 VqEE101C77
K18E04A KC2018 03 13.92167 09 08 21.94 +34 43 50.7 20.6 VqEE101C77
Observer details:
703 Catalina Sky Survey. Observer J. A. Johnson. Measurers B. M. Africano,
E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly.
0.68-m Schmidt + 10K CCD.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. 0.30-m f/4 Newtonian
reflector + CCD.
C77 Bernezzo Observatory. Observer A. Mantero. 0.25-m f/4.0 reflector + CCD.
C95 SATINO Remote Observatory, Haute Provence. Observer J. Jahn. 0.60-m
f/3.2 Newtonian reflector + CCD.
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. Measurers B. M. Africano,
E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly.
1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.61-m f/4.5
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. C. Fuls. Measurers
B. M. Africano, E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman,
F. C. Shelly. 1.0-m reflector + CCD.
K51 Osservatorio del Celado, Castello Tesino. Observers G. Favero, R. Furgoni.
Measurer R. Furgoni. 0.80-m f/4 reflector + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.40-m
f/3.2 Newtonian reflector + CCD.
K88 GINOP-KHK, Piszkesteto. Observers K. Sarneczky, A. Bodi. Measurer
K. Sarneczky. 0.60-m Schmidt + CCD.
Orbital elements:
2018 EA4 Earth MOID = 0.0655 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 2.73861 (2000.0) P Q
n 0.20360046 Peri. 0.70406 -0.96531085 -0.25141895
a 2.8616524 Node 164.18540 +0.23827634 -0.95857847
e 0.6304602 Incl. 14.98197 +0.10676774 -0.13385005
P 4.84 H 23.2 G 0.15 U 7
Residuals in seconds of arc
180312 703 0.0 0.3- 180313 I52 0.4+ 0.9+ 180313 K51 0.0 0.4-
180312 703 0.2+ 0.1+ 180313 I52 0.1+ 0.3- 180313 K63 1.1+ 0.6+
180312 703 0.4- 0.4+ 180313 G96 0.3- 0.4- 180313 K63 0.3+ 0.2+
180312 B49 (2.1+ 1.1+) 180313 G96 0.1- 0.2- 180313 K63 0.3+ 0.1+
180312 B49 0.3- 1.1- 180313 G96 0.1- 0.1+ 180313 K88 0.1- 0.2+
180312 B49 (1.0- 1.9-) 180313 G96 0.1- 0.0 180313 K88 0.4- 0.5+
180312 K88 0.1+ 0.1- 180313 H21 0.1- 0.2- 180313 K88 0.5- 0.1+
180312 K88 0.2+ 0.4+ 180313 H21 0.1- 0.4- 180313 C77 0.1+ 1.0-
180312 K88 0.0 0.5+ 180313 H21 0.2- 0.3- 180313 C77 (0.5+ 1.9+)
180312 C95 0.4+ 0.6+ 180313 H21 0.1- 0.3- 180313 C77 0.6- 0.2+
180313 C95 0.4+ 0.2+ 180313 K51 0.1- 0.3-
180313 I52 0.1- 0.2+ 180313 K51 0.0 0.1+
Ephemeris:
2018 EA4 a,e,i = 2.86, 0.63, 15 q = 1.0575
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 02 11 06 21 00.9 -17 48 08 0.2120 1.1139 122.0 48.7 21.9
...
2018 02 26 06 52 45.5 -04 04 31 0.1331 1.0685 123.1 50.9 20.9
...
2018 03 06 07 38 37.8 +12 11 32 0.1017 1.0585 128.7 47.0 20.1
...
2018 03 12 08 41 19.0 +29 18 49 0.09137 1.0580 133.0 43.4 19.8
2018 03 13 08 54 57.8 +32 11 12 0.09122 1.0585 133.3 43.1 19.8
2018 03 14 09 09 33.1 +34 56 38 0.09156 1.0591 133.4 43.0 19.8
...
2018 03 20 10 50 53.6 +46 55 56 0.1030 1.0665 131.3 44.6 20.1
...
2018 03 28 12 50 52.1 +50 04 54 0.1364 1.0853 126.9 47.4 20.8
...
2018 04 12 14 26 52.4 +44 05 03 0.2221 1.1451 125.3 45.6 22.0
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-E101
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