[Iaude] MPEC F109: 2018 FE4 [a=1.65,e=0.61,i=19.3,H=25.0]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Thu Mar 22 15:57:16 EDT 2018
M.P.E.C. 2018-F109 Issued 2018 Mar. 22, 19:53 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 FE4
Observations:
K18F04E C2018 03 20.45910 12 30 31.754-13 43 03.14 21.0 wUEF109F51
K18F04E C2018 03 20.47074 12 30 33.290-13 41 55.72 21.4 wUEF109F51
K18F04E* C2018 03 21.40390 12 33 17.55 -12 02 31.5 20.5 GUEF109G96
K18F04E C2018 03 21.40870 12 33 18.29 -12 01 58.9 20.5 GUEF109G96
K18F04E C2018 03 21.41305 12 33 19.03 -12 01 26.2 21.0 GUEF109G96
K18F04E C2018 03 21.41738 12 33 19.75 -12 00 56.3 20.7 GUEF109G96
K18F04E C2018 03 21.44435 12 33 24.36 -11 57 41.7 21.8 GUEF109I52
K18F04E C2018 03 21.44559 12 33 24.57 -11 57 32.9 21.6 GUEF109I52
K18F04E C2018 03 21.44808 12 33 24.95 -11 57 14.8 21.8 GUEF109I52
K18F04E C2018 03 22.33047 12 36 38.15 -10 00 29.4 20.4 GUEF109I52
K18F04E C2018 03 22.33213 12 36 38.49 -10 00 15.1 20.5 GUEF109I52
K18F04E C2018 03 22.33379 12 36 38.79 -10 00 01.1 20.4 GUEF109I52
Observer details:
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.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. 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.
I52 Steward Observatory, Mt. Lemmon Station. Observers B. M. Africano,
E. J. Christensen. 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.
Orbital elements:
2018 FE4 Earth MOID = 0.0072 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 333.30602 (2000.0) P Q
n 0.46350666 Peri. 92.41806 +0.10309991 +0.99444182
a 1.6536061 Node 183.70836 -0.99215736 +0.10129059
e 0.6071149 Incl. 19.27566 -0.07066949 +0.02873454
P 2.13 H 25.0 G 0.15 U 8
Residuals in seconds of arc
180320 F51 0.0 0.1- 180321 G96 0.0 0.4+ 180321 I52 0.6- 0.3+
180320 F51 0.0 0.1+ 180321 G96 0.1- 0.6- 180322 I52 0.1+ 0.4+
180321 G96 0.7+ 0.4+ 180321 I52 0.2+ 0.3+ 180322 I52 0.2+ 0.1+
180321 G96 0.2- 1.2- 180321 I52 0.2+ 0.2+ 180322 I52 0.4- 0.5-
Ephemeris:
2018 FE4 a,e,i = 1.65, 0.61, 19 q = 0.6497
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 02 20 12 03 35.8 -22 25 19 0.4899 1.3870 136.8 29.2 25.4
...
2018 03 07 12 13 08.7 -21 56 15 0.2838 1.2429 148.4 24.7 23.9
...
2018 03 15 12 20 32.1 -19 09 51 0.1820 1.1631 156.1 20.2 22.6
...
2018 03 21 12 32 03.9 -12 47 17 0.1096 1.1023 165.0 13.5 21.2
2018 03 22 12 35 22.6 -10 46 13 0.09809 1.0921 167.0 11.8 20.9
2018 03 23 12 39 28.5 -08 12 31 0.08676 1.0819 169.1 10.0 20.5
...
2018 03 29 14 12 27.7 +41 53 40 0.03480 1.0206 129.2 49.3 19.6
...
2018 04 06 23 11 45.6 +48 01 53 0.09447 0.9394 47.6 128.2 25.3
...
2018 04 21 23 54 59.5 +34 16 25 0.2750 0.7962 35.2 133.3 27.7
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-F109
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