MPEC 2018-X62 : 2018 XB1
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M.P.E.C. 2018-X62 Issued 2018 Dec. 9, 16:07 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 XB1
Observations:
K18X01B* C2018 12 06.46167 04 47 00.86 +65 59 37.4 18.5 oVEX062T08
K18X01B C2018 12 06.47907 04 47 32.07 +65 54 06.9 18.3 oVEX062T08
K18X01B C2018 12 06.48046 04 47 34.61 +65 53 40.7 18.6 oVEX062T08
K18X01B C2018 12 06.52131 04 48 47.80 +65 40 40.7 18.2 oVEX062T08
K18X01B C2018 12 08.50237 05 34 32.67 +54 20 07.3 18.0 cVEX062T05
K18X01B C2018 12 08.51662 05 34 45.48 +54 14 53.3 18.2 cVEX062T05
K18X01B C2018 12 08.52398 05 34 52.13 +54 12 11.9 18.2 cVEX062T05
K18X01B C2018 12 08.53350 05 35 00.69 +54 08 40.5 18.1 cVEX062T05
K18X01B C2018 12 08.65444 05 36 50.53 +53 23 39.5 18.3 cVEX062T05
K18X01B C2018 12 08.65490 05 36 50.90 +53 23 29.4 18.2 cVEX062T05
K18X01B C2018 12 08.65536 05 36 51.36 +53 23 18.1 18.1 cVEX062T05
K18X01B C2018 12 08.65582 05 36 51.77 +53 23 08.3 17.9 cVEX062T05
K18X01B C2018 12 08.65627 05 36 52.24 +53 22 58.1 18.1 cVEX062T05
K18X01B C2018 12 08.65673 05 36 52.62 +53 22 48.1 18.2 cVEX062T05
K18X01B C2018 12 08.65764 05 36 53.47 +53 22 27.4 18.2 cVEX062T05
K18X01B KC2018 12 08.85534 05 40 17.98 +52 10 10.3 17.0 RVEX062K51
K18X01B KC2018 12 08.85802 05 40 20.67 +52 09 15.7 18.0 VEX062104
K18X01B KC2018 12 08.85867 05 40 20.81 +52 08 58.5 16.9 RVEX062K51
K18X01B KC2018 12 08.86071 05 40 21.13 +52 08 18.2 17.6 RoEX062K88
K18X01B KC2018 12 08.86101 05 40 23.19 +52 08 11.3 18.1 VEX062104
K18X01B KC2018 12 08.86174 05 40 22.01 +52 07 56.2 17.7 RoEX062K88
K18X01B KC2018 12 08.86199 05 40 23.63 +52 07 46.8 17.0 RVEX062K51
K18X01B KC2018 12 08.86482 05 40 24.58 +52 06 49.3 17.3 RoEX062K88
K18X01B KC2018 12 08.86663 05 40 26.11 +52 06 10.0 17.4 RoEX062K88
K18X01B KC2018 12 08.86766 05 40 26.98 +52 05 48.0 17.5 RoEX062K88
K18X01B KC2018 12 08.86791 05 40 29.03 +52 05 42.6 17.7 VEX062104
K18X01B KC2018 12 08.86868 05 40 27.82 +52 05 25.7 17.5 RoEX062K88
K18X01B KC2018 12 08.86971 05 40 28.68 +52 05 03.3 17.7 RoEX062K88
K18X01B KC2018 12 08.87387 05 40 33.99 +52 03 34.3 17.9 VEX062104
K18X01B KC2018 12 08.87827 05 40 37.05 +52 01 56.8 18.4 GVEX062595
K18X01B KC2018 12 08.88143 05 40 39.62 +52 00 48.2 18.1 GVEX062595
K18X01B KC2018 12 08.88460 05 40 42.30 +51 59 39.7 18.1 GVEX062595
K18X01B KC2018 12 08.92086 05 41 12.90 +51 46 30.9 17.6 RVEX062K38
K18X01B KC2018 12 08.92601 05 41 17.12 +51 44 38.9 17.4 RVEX062K38
K18X01B KC2018 12 08.93117 05 41 21.33 +51 42 46.7 17.1 RVEX062K38
K18X01B KC2018 12 08.93632 05 41 25.51 +51 40 54.3 17.4 RVEX062K38
K18X01B KC2018 12 08.94231 05 41 30.41 +51 38 44.2 17.7 RVEX062K38
K18X01B KC2018 12 08.96998 05 41 52.37 +51 28 45.0 18.1 RVEX062K63
K18X01B KC2018 12 08.97306 05 41 54.79 +51 27 37.8 17.5 RVEX062K63
K18X01B KC2018 12 08.97586 05 41 57.02 +51 26 36.7 17.2 RVEX062K63
K18X01B KC2018 12 08.98911405 42 06.94 +51 21 42.6 18.1 GVEX062L01
K18X01B KC2018 12 08.98951005 42 07.29 +51 21 34.1 18.1 GVEX062L01
K18X01B KC2018 12 08.99069405 42 08.22 +51 21 08.4 18.1 GVEX062L01
K18X01B KC2018 12 08.99149405 42 08.87 +51 20 50.7 18.1 GVEX062L01
K18X01B KC2018 12 08.99287905 42 09.96 +51 20 20.0 18.1 GVEX062L01
K18X01B HC2018 12 09.01228 05 42 26.23 +51 13 11.9 VEX062204
K18X01B KC2018 12 09.01586 05 42 29.07 +51 11 53.4 VEX062204
K18X01B KC2018 12 09.01768 05 42 30.52 +51 11 13.0 VEX062204
K18X01B KC2018 12 09.01950 05 42 31.96 +51 10 33.4 18.1 GVEX062204
K18X01B KC2018 12 09.11936 05 44 07.71 +50 33 32.6 18.2 GUEX062H36
K18X01B KC2018 12 09.12827 05 44 14.78 +50 30 21.2 18.0 GUEX062H36
K18X01B KC2018 12 09.13124 05 44 17.13 +50 29 17.0 18.1 GUEX062H36
K18X01B KC2018 12 09.13717 05 44 21.79 +50 27 09.5 18.0 GUEX062H36
K18X01B KC2018 12 09.14014 05 44 24.12 +50 26 05.6 18.0 GUEX062H36
K18X01B C2018 12 09.30370 05 46 28.83 +49 27 01.1 18.0 GVEX062G96
K18X01B C2018 12 09.30896 05 46 32.57 +49 25 06.1 17.8 GVEX062G96
K18X01B C2018 12 09.31427 05 46 36.32 +49 23 10.0 17.8 GVEX062G96
K18X01B C2018 12 09.31966 05 46 40.16 +49 21 11.7 18.0 GVEX062G96
K18X01B C2018 12 09.32399 05 46 43.22 +49 19 36.5 18.0 GVEX062G96
K18X01B C2018 12 09.32941 05 46 47.03 +49 17 37.8 17.9 GVEX062G96
K18X01B C2018 12 09.33497 05 46 50.98 +49 15 35.3 18.0 GVEX062G96
K18X01B C2018 12 09.34070 05 46 55.00 +49 13 29.3 17.9 GVEX062G96
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector +
CCD.
595 Farra dIsonzo. Observers E. Pettarin, F. Piani. Measurer
E. Pettarin. 0.61-m f/4.0 reflector + CCD.
G96 Mt. Lemmon Survey. Observer D. C. Fuls. 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.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
K38 M57 Observatory, Saltrio. Observer G. Baj. 0.3-m f/5.5 Ritchey-Chretien
+ CCD.
K51 Osservatorio del Celado, Castello Tesino. Observer M. Campestrin.
0.80-m f/4 reflector + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci.
0.41-m f/3.2 Newtonian reflector + CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, H. Flewelling, A. Heinze,
H. Weiland, J. Tonry. Measurers L. Denneau, H. Flewelling, A. Heinze,
J. Tonry, A. Fitzsimmons, D. Young, N. Erasmus. 0.5-m f/2.0 Schmidt +
CCD.
T08 ATLAS-MLO, Mauna Loa. Observers L. Denneau, H. Flewelling, A. Heinze,
H. Weiland, J. Tonry. Measurers L. Denneau, H. Flewelling, A. Heinze,
J. Tonry, A. Fitzsimmons, D. Young, N. Erasmus. 0.5-m f/2.0 Schmidt +
CCD.
Orbital elements:
2018 XB1 Earth MOID = 0.0607 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 40.65221 (2000.0) P Q
n 0.25892690 Peri. 152.65637 +0.55138488 -0.78901750
a 2.4379115 Node 262.68288 +0.70678609 +0.61436790
e 0.5849731 Incl. 15.85462 +0.44320215 +0.00186288
P 3.81 H 22.8 G 0.15 U 6
Residuals in seconds of arc
181206 T08 0.8+ 0.6+ 181208 K51 0.1+ 0.2- 181208 L01 0.0 0.3+
181206 T08 0.3- 0.8- 181208 K88 0.2- 0.2+ 181208 L01 0.1+ 0.2+
181206 T08 0.0 0.6- 181208 K88 0.1- 0.1+ 181208 L01 0.1+ 0.0
181206 T08 0.6- 0.7+ 181208 K88 0.0 0.4+ 181209 204 0.1- 0.4-
181208 T05 0.1+ 0.1+ 181208 104 0.4+ 0.1+ 181209 204 0.1+ 0.1-
181208 T05 0.1- 0.1- 181208 K88 0.1- 0.2+ 181209 204 0.2+ 0.5-
181208 T05 0.2+ 0.9+ 181208 K88 0.2- 0.1+ 181209 204 0.3+ 0.0
181208 T05 0.1+ 0.1- 181208 104 0.0 0.4+ 181209 H36 0.1- 0.4-
181208 T05 0.3+ 0.2+ 181208 595 0.1+ 0.4- 181209 H36 0.1+ 0.2-
181208 T05 0.2- 0.4+ 181208 595 0.5- 0.7- 181209 H36 0.2+ 0.5-
181208 T05 0.1+ 0.6- 181208 595 0.1- 0.6- 181209 H36 0.3+ 0.4-
181208 T05 0.0 0.0 181208 K38 0.4- 0.1+ 181209 H36 0.4+ 0.3-
181208 T05 0.5+ 0.1- 181208 K38 0.2- 0.1- 181209 G96 0.1+ 0.2+
181208 T05 0.1+ 0.3+ 181208 K38 0.1- 0.1- 181209 G96 0.0 0.3+
181208 T05 0.2+ 0.0 181208 K38 0.2- 0.4- 181209 G96 0.2- 0.5+
181208 K51 0.1- 0.1- 181208 K38 0.3+ 0.1- 181209 G96 0.0 0.3+
181208 104 0.1+ 0.0 181208 K63 0.2- 0.1- 181209 G96 0.0 0.1+
181208 K51 0.0 0.1- 181208 K63 0.5- 0.1+ 181209 G96 0.2- 0.3+
181208 K88 0.2- 0.2+ 181208 K63 0.5- 0.3+ 181209 G96 0.1+ 0.0
181208 104 0.1+ 0.0 181208 L01 0.2- 0.2- 181209 G96 0.1- 0.0
181208 K88 0.1- 0.4+ 181208 L01 0.1+ 0.0
Ephemeris:
2018 XB1 a,e,i = 2.44, 0.58, 16 q = 1.0118
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 09 19 57 34.8 +49 38 53 0.2021 1.0238 93.7 74.9 22.0
...
2018 11 24 20 35 31.5 +62 43 45 0.1161 1.0125 99.3 74.2 20.7
...
2018 12 02 00 03 25.4 +77 04 15 0.07582 1.0219 116.4 59.8 19.4
...
2018 12 08 05 25 38.5 +57 19 54 0.06115 1.0358 144.9 33.1 18.2
2018 12 09 05 42 15.9 +51 17 46 0.06117 1.0386 150.4 27.9 18.1
2018 12 10 05 54 47.2 +45 12 49 0.06200 1.0416 155.5 23.0 17.9
...
2018 12 16 06 31 06.5 +15 35 07 0.08127 1.0626 164.2 14.6 18.3
...
2018 12 24 06 46 21.3 -02 56 51 0.1277 1.0980 152.0 24.8 19.7
...
2019 01 08 06 54 23.5 -13 00 44 0.2356 1.1827 144.3 29.0 21.3
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-X62
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