[Iaude] MPEC L31: 2018 LL2 [a=2.63,e=0.61,i=19.9,H=20.3,PHA]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Fri Jun 8 14:25:28 EDT 2018
M.P.E.C. 2018-L31 Issued 2018 June 8, 18:21 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 LL2
Observations:
K18L02L C2018 05 25.27378910 46 55.780+31 23 01.41 20.5 iVEL031F51
K18L02L C2018 05 25.31118010 47 11.891+31 24 45.14 20.3 iVEL031F51
K18L02L* C2018 06 06.15838 12 20 28.86 +38 04 39.9 20.0 GUEL031G96
K18L02L C2018 06 06.16356 12 20 31.31 +38 04 45.3 20.0 GUEL031G96
K18L02L C2018 06 06.16874 12 20 33.75 +38 04 51.0 20.1 GUEL031G96
K18L02L C2018 06 06.17392 12 20 36.19 +38 04 56.7 20.1 GUEL031G96
K18L02L C2018 06 06.30412 12 21 37.84 +38 07 14.7 19.9 GUEL031I52
K18L02L C2018 06 06.30471 12 21 38.13 +38 07 15.5 19.9 GUEL031I52
K18L02L C2018 06 06.30529 12 21 38.38 +38 07 15.8 20.2 GUEL031I52
K18L02L C2018 06 06.30588 12 21 38.70 +38 07 16.8 19.8 GUEL031I52
K18L02L KC2018 06 06.88403 12 26 17.65 +38 17 31.3 20.4 VUEL031L01
K18L02L KC2018 06 06.88648 12 26 18.82 +38 17 33.3 20.5 VUEL031L01
K18L02L KC2018 06 06.94052 12 26 44.88 +38 18 26.0 VEL031J95
K18L02L KC2018 06 06.95161 12 26 50.10 +38 18 36.2 19.9 GVEL031J95
K18L02L C2018 06 07.54334 12 31 33.64 +38 28 13.9 20.2 RrEL031P93
K18L02L C2018 06 07.54819 12 31 35.95 +38 28 17.5 20.4 RrEL031P93
K18L02L C2018 06 07.55304 12 31 38.33 +38 28 21.0 20.7 RrEL031P93
K18L02L C2018 06 07.55788 12 31 40.65 +38 28 25.2 20.7 RrEL031P93
K18L02L C2018 06 08.16927 12 36 33.27 +38 37 18.3 19.9 GUEL031I52
K18L02L C2018 06 08.17003 12 36 33.64 +38 37 19.2 20.0 GUEL031I52
K18L02L C2018 06 08.17079 12 36 33.97 +38 37 19.9 19.9 GUEL031I52
K18L02L C2018 06 08.17155 12 36 34.33 +38 37 20.2 19.9 GUEL031I52
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. Measurers B. M. Africano,
E. J. Christensen, 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.
I52 Steward Observatory, Mt. Lemmon Station. Observers D. C. Fuls,
H. Groeller, B. M. Africano. Measurers B. M. Africano, E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly, H. Groeller.
1.0-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
P93 Space Tracking and Communications Center, JAXA. Observers K. Nishiyama,
S. Urakawa. 1.0-m f/3.0 reflector + CCD.
Orbital elements:
2018 LL2 PHA, Earth MOID = 0.0360 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 347.62827 (2000.0) P Q
n 0.23105043 Peri. 7.60311 -0.80005896 +0.57594660
a 2.6302570 Node 209.63087 -0.56674430 -0.81739162
e 0.6055313 Incl. 19.85258 -0.19673982 +0.01250792
P 4.27 H 20.3 G 0.15 U 6
Residuals in seconds of arc
180525 F51 0.1+ 0.1- 180606 I52 0.3- 0.4- 180607 P93 0.0 0.4-
180525 F51 0.5- 0.4- 180606 I52 0.1+ 0.0 180607 P93 0.6+ 0.4-
180606 G96 0.0 0.0 180606 L01 0.2+ 0.1+ 180608 I52 0.1- 0.4-
180606 G96 0.2+ 0.3- 180606 L01 0.3+ 0.3- 180608 I52 0.1+ 0.1-
180606 G96 0.2+ 0.3- 180606 J95 0.9+ 0.7+ 180608 I52 0.2- 0.0
180606 G96 0.2+ 0.3- 180606 J95 0.4+ 0.2+ 180608 I52 0.1- 0.3-
180606 I52 0.1- 0.3- 180607 P93 1.5- 0.8+
180606 I52 0.0 0.1- 180607 P93 1.2- 0.2+
Ephemeris:
2018 LL2 a,e,i = 2.63, 0.61, 20 q = 1.0376
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 05 09 09 06 32.1 +16 26 36 0.3322 1.0411 86.1 75.3 20.6
...
2018 05 24 10 37 38.0 +30 21 31 0.3115 1.0435 87.0 75.7 20.5
...
2018 06 01 11 38 57.9 +35 52 33 0.3189 1.0597 89.4 73.1 20.5
...
2018 06 07 12 27 14.0 +38 19 33 0.3331 1.0783 91.9 70.2 20.5
2018 06 08 12 35 12.7 +38 34 55 0.3361 1.0819 92.3 69.6 20.5
2018 06 09 12 43 08.0 +38 47 43 0.3393 1.0856 92.7 69.1 20.6
...
2018 06 15 13 28 44.9 +39 14 22 0.3619 1.1107 95.5 65.5 20.6
...
2018 06 23 14 22 11.7 +38 00 45 0.4002 1.1507 99.3 60.6 20.8
...
2018 07 08 15 37 31.4 +32 34 19 0.4917 1.2422 105.5 52.1 21.1
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-L31
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