MPEC 2018-U44 : 2018 UJ1
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M.P.E.C. 2018-U44 Issued 2018 Oct. 20, 22:25 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 UJ1
Observations:
K18U01J* C2018 10 18.32791 02 55 57.59 -22 11 40.6 18.9 GVEU044703
K18U01J C2018 10 18.33889 02 55 55.66 -22 10 00.0 18.4 GVEU044703
K18U01J C2018 10 18.34438 02 55 54.61 -22 09 10.2 19.1 GVEU044703
K18U01J C2018 10 18.39919 02 55 44.76 -22 00 45.9 19.1 GVEU044I52
K18U01J C2018 10 18.39961 02 55 44.71 -22 00 42.6 19.1 GVEU044I52
K18U01J C2018 10 18.40002 02 55 44.62 -22 00 38.6 19.2 GVEU044I52
K18U01J C2018 10 18.40044 02 55 44.55 -22 00 34.5 19.0 GVEU044I52
K18U01J KC2018 10 19.31197002 53 42.28 -19 38 08.4 18.8 VuEU044H21
K18U01J KC2018 10 19.31413902 53 41.88 -19 37 47.6 19.0 VuEU044H21
K18U01J KC2018 10 19.31776302 53 41.23 -19 37 12.8 19.5 VuEU044H21
K18U01J KC2018 10 19.93795202 52 19.41 -17 56 55.7 19.0 GVEU044L01
K18U01J KC2018 10 19.94021302 52 19.03 -17 56 33.7 18.9 GVEU044L01
K18U01J KC2018 10 19.94227602 52 18.66 -17 56 13.6 19.1 GVEU044L01
K18U01J KC2018 10 19.96585 02 52 14.86 -17 52 21.6 19.2 VEU044104
K18U01J KC2018 10 19.96981 02 52 14.16 -17 51 42.7 19.2 VEU044104
K18U01J KC2018 10 19.97377 02 52 13.46 -17 51 04.1 19.1 VEU044104
K18U01J KC2018 10 20.01833302 52 05.57 -17 43 46.2 19.5 RqEU044K63
K18U01J KC2018 10 20.02041702 52 05.17 -17 43 25.2 19.0 RqEU044K63
K18U01J KC2018 10 20.02270802 52 04.73 -17 43 02.3 18.3 RqEU044K63
K18U01J KC2018 10 20.03415 02 52 02.40 -17 41 10.3 18.3 GVEU044595
K18U01J KC2018 10 20.03841 02 52 01.61 -17 40 28.6 18.2 GVEU044595
K18U01J KC2018 10 20.04267 02 52 00.92 -17 39 47.1 18.7 GVEU044595
K18U01J HC2018 10 20.31395 02 51 26.17 -16 54 36.8 17.9 RoEU044691
K18U01J HC2018 10 20.31515 02 51 25.94 -16 54 24.7 17.8 RoEU044691
K18U01J HC2018 10 20.31637 02 51 25.68 -16 54 12.3 17.9 RoEU044691
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
595 Farra d'Isonzo. Observers E. Pettarin, F. Piani. Measurer E. Pettarin.
0.61-m f/4.0 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer R. S. McMillan. 0.9-m f/3
reflector + CCD.
703 Catalina Sky Survey. Observer H. Groeller. 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. 0.68-m Schmidt + 10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.61-m f/4.5
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. 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, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly. 1.0-m reflector
+ CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.41-m
f/3.2 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, I. Lyon, G. Kervina.
Measurer K. Korlevic. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
2018 UJ1 Earth MOID = 0.0669 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 132.68085 (2000.0) P Q
n 0.66688867 Peri. 339.51038 +0.95399171 -0.27584680
a 1.2974795 Node 37.14772 +0.29499327 +0.79337487
e 0.1885965 Incl. 11.22092 +0.05365433 +0.54264617
P 1.48 H 23.3 G 0.15 U 7
Residuals in seconds of arc
181018 703 0.0 0.0 181019 H21 0.0 0.1- 181020 K63 0.1- 0.1+
181018 703 0.6+ 0.4+ 181019 L01 0.0 0.5+ 181020 595 0.0 0.6+
181018 703 0.3- 0.0 181019 L01 0.2+ 0.4+ 181020 595 0.5- 0.1+
181018 I52 0.3- 0.1+ 181019 L01 0.1+ 0.3+ 181020 595 0.4+ 0.6-
181018 I52 0.0 0.4- 181019 104 0.2+ 0.0 181020 691 0.0 0.3-
181018 I52 0.2- 0.2- 181019 104 0.2+ 0.1+ 181020 691 0.1- 0.1-
181018 I52 0.1- 0.0 181019 104 0.3+ 0.1- 181020 691 0.6- 0.2+
181019 H21 0.2+ 0.0 181020 K63 0.7+ 0.6-
181019 H21 0.1+ 0.1- 181020 K63 0.3+ 0.2-
Ephemeris:
2018 UJ1 a,e,i = 1.30, 0.19, 11 q = 1.0528
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 09 20 03 22 53.9 -56 21 01 0.1432 1.0626 110.3 62.5 21.4
...
2018 10 05 03 18 30.0 -45 36 45 0.1018 1.0533 119.0 56.2 20.5
...
2018 10 13 03 06 48.9 -33 56 03 0.08217 1.0529 130.3 46.3 19.7
...
2018 10 19 02 54 25.9 -20 25 58 0.07149 1.0547 143.9 33.9 19.1
2018 10 20 02 52 08.4 -17 45 04 0.07025 1.0552 146.6 31.3 19.0
2018 10 21 02 49 47.9 -14 57 39 0.06920 1.0557 149.4 28.7 18.9
...
2018 10 27 02 34 58.1 +03 10 08 0.06739 1.0599 167.9 11.4 18.3
...
2018 11 04 02 14 52.4 +25 13 18 0.07759 1.0681 168.9 10.3 18.6
...
2018 11 19 01 48 35.4 +46 44 01 0.1227 1.0910 144.9 31.4 20.3
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-U44
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