MPEC 2018-W01 : 2013 UB3
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M.P.E.C. 2018-W01 Issued 2018 Nov. 16, 02:52 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
2013 UB3
Revision to MPEC 2013-U40
Additional Observations:
K13U03B C2018 11 15.28766 02 52 12.35 -16 36 34.2 20.7 GVEW001G96
K13U03B C2018 11 15.29328 02 52 09.28 -16 37 19.5 20.4 GVEW001G96
K13U03B C2018 11 15.29892 02 52 06.18 -16 38 05.4 20.9 GVEW001G96
K13U03B C2018 11 15.30455 02 52 03.11 -16 38 50.9 20.5 GVEW001G96
K13U03B C2018 11 15.33138702 51 47.91 -16 42 28.8 20.9 GVEW001H01
K13U03B C2018 11 15.33798102 51 44.33 -16 43 21.5 20.7 GVEW001H01
K13U03B C2018 11 15.34551402 51 40.26 -16 44 21.6 20.6 GVEW001H01
K13U03B C2018 11 15.35218502 51 36.66 -16 45 14.6 20.6 GVEW001H01
K13U03B C2018 11 15.35604 02 51 35.08 -16 45 44.0 VEW001I52
K13U03B C2018 11 15.35680 02 51 34.65 -16 45 49.6 VEW001I52
K13U03B C2018 11 15.35757 02 51 34.15 -16 45 56.7 21.0 GVEW001I52
K13U03B pC2018 11 15.92743802 47 01.28 -18 02 38.3 20.8 VqEW001L01
K13U03B pC2018 11 15.93003002 46 59.85 -18 02 58.6 20.7 VqEW001L01
K13U03B KC2018 11 15.93262202 46 58.43 -18 03 19.1 21.1 VqEW001L01
Observer details:
G96 Mt. Lemmon Survey. Observer B. M. Africano. Measurers B. M. Africano,
E. J. Christensen, G. A. Farneth, 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 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer G. J. Leonard.
Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, 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.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, G. Kervina,
R. Jenko. Measurer K. Korlevic. 1.0-m f/2.9 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
181115 G96 10- 0- 181115 L01 10- 0- MPO275415 +0.64 day
Orbital elements:
2013 UB3 Earth MOID = 0.0455 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 51.51830 (2000.0) P Q
n 1.18495477 Peri. 351.35832 -0.90624383 +0.42019071
a 0.8844396 Node 213.61048 -0.38267727 -0.86209536
e 0.1976175 Incl. 4.81837 -0.17966701 -0.28325142
P 0.83 H 25.8 G 0.15 U 3
Residuals in seconds of arc
131024 G96 0.3+ 0.1- 131025 291 0.4- 0.2+ 181115 G96 0.4+ 0.7+
131024 G96 0.2+ 0.1- 131025 291 0.3- 0.1- 181115 G96 0.3+ 0.3+
131024 G96 0.4+ 0.1+ 131025 291 0.1- 0.1+ 181115 G96 0.4+ 0.2+
131024 G96 0.2+ 0.0 131025 H21 0.4+ 0.4- 181115 H01 0.0 0.1-
131024 G96 0.1- 0.0 131025 H21 0.2+ 0.2+ 181115 H01 0.1- 0.1-
131024 G96 0.3- 0.1+ 131025 H21 0.2+ 0.2+ 181115 H01 0.0 0.1-
131024 G96 0.0 0.0 131028 926 0.2- 0.0 181115 H01 0.1- 0.0
131024 G96 0.1+ 0.2+ 131028 926 0.3- 0.0 181115 I52 0.6+ 0.4-
131024 G96 0.1+ 0.0 131028 926 0.2- 0.2- 181115 I52 0.3+ 0.0
131025 H36 0.3- 0.0 131102 291 0.1+ 0.1+ 181115 I52 0.9- 1.0-
131025 H36 0.6+ 0.5- 131102 291 0.3+ 0.2- 181115 L01 0.2- 0.3-
131025 H36 0.4+ 0.1- 131102 291 0.2- 0.1+ 181115 L01 0.5- 0.0
131025 H36 0.4+ 0.8- 181115 G96 0.3+ 0.6+ 181115 L01 0.7- 0.1+
Ephemeris:
2013 UB3 a,e,i = 0.88, 0.20, 5 q = 0.7097
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 10 17 05 03 46.9 +28 11 26 0.1011 1.0587 125.5 50.0 22.8
...
2018 11 01 04 24 16.7 +13 10 49 0.06567 1.0504 150.7 27.6 21.2
...
2018 11 09 03 39 25.3 -02 06 52 0.05421 1.0412 158.2 20.6 20.6
...
2018 11 15 02 54 32.5 -15 55 23 0.05179 1.0322 145.2 33.2 20.8
2018 11 16 02 46 26.3 -18 09 38 0.05195 1.0305 142.1 36.1 20.9
2018 11 17 02 38 13.8 -20 20 02 0.05225 1.0288 139.0 39.1 21.0
...
2018 11 23 01 48 34.0 -31 26 01 0.05677 1.0174 120.4 56.9 21.7
...
2018 12 01 00 47 57.4 -40 34 51 0.06751 0.9996 99.6 76.6 22.6
...
2018 12 16 23 22 11.6 -47 29 55 0.09198 0.9588 71.4 103.4 24.3
(Last issue was M.P.E.C. 2018-V203)
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-W01
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