MPEC 2019-F80 : 2018 DW3
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M.P.E.C. 2019-F80 Issued 2019 Mar. 26, 02:28 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 DW3
Revision to MPEC 2018-E07
Additional Observations:
K18D03W C2012 12 22.61532813 16 15.032-02 32 44.04 22.8 GVEF080F51
K18D03W C2012 12 22.62454213 16 15.545-02 32 45.74 22.7 GVEF080F51
K18D03W C2012 12 22.62914913 16 15.844-02 32 47.02 23.3 GVEF080F51
K18D03W C2013 03 19.49787313 15 51.447+00 54 49.67 21.8 GVEF080F51
K18D03W C2013 03 19.51328713 15 50.550+00 54 55.71 22.1 GVEF080F51
K18D03W C2013 03 19.52872213 15 49.613+00 55 01.67 23.7 GVEF080F51
K18D03W C2013 03 19.54414813 15 48.673+00 55 08.08 22.8 GVEF080F51
K18D03W C2013 04 05.43170512 58 40.975+02 42 35.12 21.3 GVEF080F51
K18D03W C2013 04 05.44340512 58 40.300+02 42 39.15 22.2 GVEF080F51
K18D03W C2013 04 05.45449412 58 39.626+02 42 42.80 22.4 GVEF080F51
K18D03W KC2013 04 11.38420712 52 50.461+03 14 05.03 22.7 GVEF080F51
K18D03W C2013 04 17.33700112 47 23.576+03 40 44.99 23.1 GVEF080F51
K18D03W C2017 10 30.62997810 23 59.428+10 18 54.95 20.8 GVEF080F51
K18D03W C2017 12 28.62790 12 18 46.717+03 30 28.09 21.7 wUEF080F51
K18D03W C2017 12 28.63634 12 18 47.180+03 30 27.81 21.6 wUEF080F51
K18D03W C2017 12 28.65331 12 18 48.074+03 30 26.95 21.6 wUEF080F51
K18D03W C2018 04 17.25824511 16 10.950+13 34 00.35 22.2 GVEF080F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, L. Denneau,
H. Flewelling, E. Lilly, E. Magnier, C. Waters. 1.8-m Ritchey-Chretien +
CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
121222 F51 0.07- 0.03+ 180417 F51 0.5+ 0.3- MPO446983 +0.0040 day
Orbital elements:
2018 DW3 Earth MOID = 0.0914 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 109.51597 (2000.0) P Q
n 0.18753751 Peri. 319.59751 +0.46835075 -0.87840923
a 3.0228084 Node 102.28003 +0.83365951 +0.40368510
e 0.6506565 Incl. 5.58551 +0.29267626 +0.25580378
P 5.26 H 18.5 G 0.15 U 2
Residuals in seconds of arc
121222 F51 0.3+ 0.1- 180225 G96 0.0 0.4- 180301 807 0.4+ 0.3-
121222 F51 0.3- 0.4+ 180225 G96 0.1+ 0.3+ 180301 807 0.4- 0.2-
121222 F51 0.0 0.2+ 180225 I52 1.1- 0.1+ 180301 807 0.5- 0.0
130319 F51 0.2- 0.2+ 180225 I52 1.1- 0.2+ 180307 I52 0.1- 0.1-
130319 F51 0.4+ 0.0 180225 I52 (1.7- 0.3+) 180307 I52 0.1+ 0.3-
130319 F51 0.3+ 0.3- 180226 807 0.1+ 0.1- 180307 I52 0.0 0.1-
130319 F51 0.2+ 0.2- 180226 807 0.2+ 0.1- 180307 I52 0.0 0.1-
130405 F51 0.5- 0.3+ 180226 807 0.1+ 0.0 180309 691 0.1- 0.2+
130405 F51 0.2+ 0.3+ 180226 I52 0.5- 0.1+ 180309 691 0.1+ 0.1+
130405 F51 0.4+ 0.2+ 180226 I52 0.2+ 0.2- 180309 691 0.1+ 0.0
130411 F51 0.1- 0.1- 180226 I52 0.4+ 0.0 180317 691 0.5- 1.1-
130417 F51 0.7- 0.4- 180226 I52 0.0 0.1+ 180317 691 0.1+ 0.1-
171030 F51 0.1+ 0.1+ 180227 G96 1.1+ 0.2+ 180317 691 0.1- 0.1+
171228 F51 0.1+ 0.1- 180227 G96 0.3+ 0.3+ 180405 H21 0.1+ 0.2+
171228 F51 0.2+ 0.0 180227 G96 0.2+ 0.0 180405 H21 0.1+ 0.2+
171228 F51 0.2- 0.0 180227 H21 0.1- 0.1+ 180405 H21 0.1+ 0.2+
180225 G96 0.2- 0.0 180227 H21 0.3- 0.2+ 180417 F51 0.2+ 0.0
180225 G96 0.1+ 0.4- 180227 H21 0.3- 0.9+
Ephemeris:
2018 DW3 a,e,i = 3.02, 0.65, 6 q = 1.0560
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 02 24 15 14 29.8 -12 13 32 3.8502 4.2193 105.2 13.1 25.3
...
2019 03 11 15 12 54.9 -11 49 36 3.6807 4.2732 120.6 11.5 25.2
...
2019 03 19 15 10 29.6 -11 31 03 3.6023 4.3010 129.2 10.3 25.1
...
2019 03 25 15 07 59.6 -11 14 48 3.5510 4.3214 135.7 9.3 25.0
2019 03 26 15 07 31.3 -11 11 55 3.5432 4.3248 136.8 9.1 25.0
2019 03 27 15 07 02.1 -11 09 00 3.5356 4.3282 137.9 8.9 25.0
...
2019 04 02 15 03 49.0 -10 50 30 3.4948 4.3482 144.6 7.6 25.0
...
2019 04 10 14 58 48.4 -10 23 51 3.4546 4.3744 153.6 5.8 24.9
...
2019 04 25 14 47 53.1 -09 31 10 3.4287 4.4218 169.6 2.3 24.7
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-F80
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