[Iaude] MPEC Y49: 2018 YU [a=1.76,e=0.47,i=11.2,H=19.9]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Thu Dec 20 12:03:16 EST 2018
M.P.E.C. 2018-Y49 Issued 2018 Dec. 20, 17:00 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 YU
Observations:
K18Y00U* C2018 12 16.52088 09 00 34.478-05 52 52.67 21.3 wUEY049F51
K18Y00U C2018 12 16.53327 09 00 35.351-05 53 15.88 21.3 wUEY049F51
K18Y00U C2018 12 16.54565 09 00 36.218-05 53 39.12 21.4 wUEY049F51
K18Y00U C2018 12 16.55804 09 00 37.098-05 54 02.36 20.8 wUEY049F51
K18Y00U ^C2018 12 17.52853209 01 50.155-06 24 32.33 21.19GVEY049568
K18Y00U ^C2018 12 17.52971209 01 50.235-06 24 34.52 21.20GVEY049568
K18Y00U ^C2018 12 17.53089109 01 50.318-06 24 36.79 21.21GVEY049568
K18Y00U KC2018 12 19.35414 09 04 06.64 -07 23 27.0 oEY049691
K18Y00U KC2018 12 19.37921 09 04 08.39 -07 24 16.3 oEY049691
K18Y00U KC2018 12 19.40421 09 04 10.17 -07 25 05.8 oEY049691
K18Y00U C2018 12 19.43100 09 04 11.93 -07 25 58.5 VEY049I52
K18Y00U C2018 12 19.43457 09 04 12.21 -07 26 05.3 21.6 GVEY049I52
K18Y00U C2018 12 19.43813 09 04 12.47 -07 26 12.2 21.3 GVEY049I52
K18Y00U C2018 12 19.44170 09 04 12.73 -07 26 19.8 VEY049I52
K18Y00U KC2018 12 20.31958 09 05 18.41 -07 55 22.8 20.5 RoEY049691
K18Y00U KC2018 12 20.33417 09 05 19.44 -07 55 51.9 20.7 RoEY049691
K18Y00U KC2018 12 20.34875 09 05 20.47 -07 56 22.2 oEY049691
K18Y00U C2018 12 20.44368 09 05 27.00 -07 59 32.3 21.3 GVEY049I52
K18Y00U C2018 12 20.44535 09 05 27.10 -07 59 35.8 20.9 GVEY049I52
K18Y00U C2018 12 20.44702 09 05 27.22 -07 59 39.6 20.4 GVEY049I52
K18Y00U C2018 12 20.44868 09 05 27.37 -07 59 42.3 21.1 GVEY049I52
Observer details:
568 Mauna Kea. Observers R. Wainscoat, C. Wipper, A. Petric. Measurers
R. Weryk, R. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch. Observers R. S. McMillan,
T. H. Bressi. 0.9-m f/3 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, J. Fairlamb,
H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. 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, R. A. Kowalski, S. M. Larson,
G. J. Leonard, R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
Orbital elements:
2018 YU Earth MOID = 0.0544 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 12.40860 (2000.0) P Q
n 0.42220926 Peri. 339.67775 -0.91685368 +0.37657307
a 1.7597496 Node 223.19741 -0.33429207 -0.90568915
e 0.4743728 Incl. 11.16617 -0.21823874 -0.19473032
P 2.33 H 19.9 G 0.15 U 8
Residuals in seconds of arc
181216 F51 0.0 0.1+ 181219 691 0.0 0.2- 181220 691 0.1+ 0.2+
181216 F51 0.0 0.0 181219 691 0.1- 0.0 181220 691 0.2+ 0.5+
181216 F51 0.0 0.0 181219 691 0.5+ 0.2- 181220 691 0.3+ 0.5-
181216 F51 0.1+ 0.1- 181219 I52 0.8- 0.0 181220 I52 0.2- 0.2+
181217 568 0.0 0.1+ 181219 I52 0.3- 0.2+ 181220 I52 0.4- 0.0
181217 568 0.1- 0.1+ 181219 I52 0.1- 0.3+ 181220 I52 0.3- 0.4-
181217 568 0.0 0.1+ 181219 I52 0.0 0.2- 181220 I52 0.2+ 0.2+
Ephemeris:
2018 YU a,e,i = 1.76, 0.47, 11 q = 0.9250
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 20 08 24 26.7 +05 08 30 1.0088 1.6315 109.6 34.8 22.4
...
2018 12 05 08 45 36.2 -00 28 22 0.8065 1.5313 117.0 35.0 21.8
...
2018 12 13 08 56 06.3 -04 06 32 0.7081 1.4764 120.6 35.0 21.4
...
2018 12 19 09 03 39.8 -07 11 42 0.6393 1.4349 122.8 35.2 21.2
2018 12 20 09 04 54.1 -07 44 35 0.6282 1.4279 123.2 35.2 21.1
2018 12 21 09 06 08.1 -08 18 04 0.6173 1.4210 123.5 35.3 21.1
...
2018 12 27 09 13 26.9 -11 52 47 0.5545 1.3791 125.1 35.7 20.8
...
2019 01 04 09 23 07.0 -17 20 30 0.4780 1.3232 126.2 36.8 20.4
...
2019 01 19 09 43 08.1 -30 14 30 0.3585 1.2198 123.7 42.1 19.7
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-Y49
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