[Iaude] MPEC Y60: 2018 YB1 [a=2.94,e=0.60,i=6.6,H=20.0]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Sat Dec 22 17:45:17 EST 2018
M.P.E.C. 2018-Y60 Issued 2018 Dec. 22, 22:41 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 YB1
Observations:
K18Y01B* C2018 12 19.45667 10 20 18.29 -06 26 39.5 21.2 GVEY060G96
K18Y01B C2018 12 19.46185 10 20 19.39 -06 26 48.7 20.3 GVEY060G96
K18Y01B C2018 12 19.46702 10 20 20.59 -06 26 59.3 21.3 GVEY060G96
K18Y01B C2018 12 19.47219 10 20 21.74 -06 27 08.8 20.0 GVEY060G96
K18Y01B C2018 12 19.51205 10 20 30.54 -06 28 23.6 20.8 GVEY060I52
K18Y01B C2018 12 19.51418 10 20 31.00 -06 28 28.3 20.7 GVEY060I52
K18Y01B C2018 12 19.51631 10 20 31.46 -06 28 32.1 21.0 GVEY060I52
K18Y01B C2018 12 20.41923 10 23 57.60 -06 56 59.6 VEY060I52
K18Y01B C2018 12 20.42185 10 23 58.26 -06 57 04.0 VEY060I52
K18Y01B C2018 12 20.42449 10 23 58.84 -06 57 08.4 VEY060I52
K18Y01B C2018 12 20.42717 10 23 59.55 -06 57 15.1 19.6 GVEY060I52
K18Y01B KC2018 12 21.33941 10 27 28.29 -07 25 55.1 19.8 RoEY060691
K18Y01B KC2018 12 21.35596 10 27 31.93 -07 26 26.7 20.3 RoEY060691
K18Y01B KC2018 12 21.37252 10 27 35.68 -07 26 58.1 20.2 RoEY060691
K18Y01B ^C2018 12 22.54240 10 32 03.00 -08 03 43.3 20.5 RoEY060695
K18Y01B ^C2018 12 22.54498 10 32 03.57 -08 03 47.9 20.6 RoEY060695
K18Y01B ^C2018 12 22.54756 10 32 04.15 -08 03 53.0 20.7 RoEY060695
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch. Observer T. H. Bressi. 0.9-m
f/3 reflector + CCD.
695 Kitt Peak. Observer R. A. Mastaler. 2.3-m f/9 reflector + CCD.
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. 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. 1.5-m reflector + 10K 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 YB1 Earth MOID = 0.2289 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 19.00696 (2000.0) P Q
n 0.19545331 Peri. 288.63961 -0.75620654 -0.65166559
a 2.9406321 Node 210.77551 +0.63538124 -0.70975866
e 0.5974876 Incl. 6.62387 +0.15634048 -0.26753433
P 5.04 H 20.0 G 0.15 U 5
Residuals in seconds of arc
181219 G96 0.2+ 0.1- 181219 I52 0.3- 0.1+ 181221 691 0.6- 0.1+
181219 G96 0.5- 0.5+ 181220 I52 0.6- 1.0- 181221 691 0.2- 0.1+
181219 G96 0.3+ 0.3- 181220 I52 0.5+ 0.4- 181222 695 0.1+ 0.2-
181219 G96 0.4+ 0.1- 181220 I52 0.4+ 0.2+ 181222 695 0.0 0.1+
181219 I52 0.0 0.5+ 181220 I52 (2.1+ 1.4-) 181222 695 0.0 0.2-
181219 I52 0.1- 0.2- 181221 691 0.7+ 0.3+
Ephemeris:
2018 YB1 a,e,i = 2.94, 0.60, 7 q = 1.1836
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 22 08 43 01.3 +06 49 50 0.7034 1.3759 107.7 43.1 21.6
...
2018 12 07 09 34 24.1 -00 00 52 0.5898 1.2959 108.1 46.3 21.2
...
2018 12 15 10 03 34.3 -04 06 18 0.5439 1.2603 107.6 48.1 21.0
...
2018 12 21 10 26 09.6 -07 15 03 0.5161 1.2375 107.0 49.5 20.9
2018 12 22 10 29 58.6 -07 46 29 0.5120 1.2341 106.9 49.7 20.9
2018 12 23 10 33 48.3 -08 17 51 0.5080 1.2307 106.8 49.9 20.8
...
2018 12 29 10 56 59.2 -11 22 54 0.4871 1.2129 106.2 51.1 20.8
...
2019 01 06 11 28 05.8 -15 13 32 0.4665 1.1955 105.5 52.4 20.7
...
2019 01 21 12 24 34.9 -20 57 11 0.4453 1.1837 105.5 53.2 20.6
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-Y60
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