[Iaude] MPEC X74: 2018 XL1 [a=1.81,e=0.45,i=2.5,H=27.0]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Mon Dec 10 23:21:16 EST 2018
M.P.E.C. 2018-X74 Issued 2018 Dec. 11, 04:18 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 XL1
Observations:
K18X01L* C2018 12 10.20137 02 09 32.40 +00 12 48.5 18.4 GVEX074703
K18X01L C2018 12 10.20703 02 09 47.92 +00 10 59.4 18.6 GVEX074703
K18X01L C2018 12 10.21270 02 10 03.59 +00 09 10.9 18.4 GVEX074703
K18X01L C2018 12 10.21837 02 10 19.43 +00 07 20.9 VEX074703
K18X01L C2018 12 10.23631902 11 07.25 +00 01 10.5 18.0 GVEX074H01
K18X01L C2018 12 10.23969402 11 16.86 +00 00 04.4 18.0 GVEX074H01
K18X01L C2018 12 10.25267102 11 54.05 -00 04 10.7 18.4 GVEX074H01
K18X01L C2018 12 10.25896802 12 12.25 -00 06 15.2 17.9 GVEX074H01
K18X01L C2018 12 10.27280 02 12 54.77 -00 10 28.7 18.3 GVEX074I52
K18X01L C2018 12 10.27293 02 12 55.16 -00 10 31.5 18.2 GVEX074I52
K18X01L C2018 12 10.27306 02 12 55.56 -00 10 33.7 17.9 GVEX074I52
K18X01L C2018 12 10.27319 02 12 55.94 -00 10 36.9 17.9 GVEX074I52
K18X01L C2018 12 10.33066 02 15 48.76 -00 30 00.0 17.9 GVEX074I52
K18X01L C2018 12 10.33079 02 15 49.19 -00 30 02.9 17.7 GVEX074I52
K18X01L C2018 12 10.33092 02 15 49.56 -00 30 05.6 17.9 GVEX074I52
K18X01L C2018 12 10.33105 02 15 49.95 -00 30 08.3 18.1 GVEX074I52
K18X01L C2018 12 10.36076 02 17 53.74 -00 37 33.2 19.4 cVEX074T05
K18X01L C2018 12 10.36264 02 17 59.28 -00 38 11.1 19.4 cVEX074T05
K18X01L C2018 12 10.36939 02 18 19.82 -00 40 34.8 19.2 cVEX074T05
K18X01L C2018 12 10.38912 02 19 20.00 -00 47 29.3 18.5 cVEX074T05
K18X01L C2018 12 10.39784 02 19 46.83 -00 50 32.9 19.3 cVEX074T05
K18X01L C2018 12 10.46645 02 24 33.43 -01 18 59.8 18.4 RrEX074P93
K18X01L C2018 12 10.46739 02 24 36.50 -01 19 20.3 18.5 RrEX074P93
K18X01L C2018 12 10.46923 02 24 42.52 -01 20 01.9 18.6 RrEX074P93
K18X01L KC2018 12 10.75157 02 43 19.91 -03 15 20.1 18.1 VEX074104
K18X01L KC2018 12 10.75469 02 43 32.34 -03 16 40.4 18.0 VEX074104
K18X01L KC2018 12 10.75897 02 43 49.46 -03 18 32.8 18.1 VEX074104
K18X01L KC2018 12 10.76271 02 44 04.38 -03 20 10.3 17.6 VEX074104
K18X01L KC2018 12 10.76547002 44 12.64 -03 21 39.6 18.0 GVEX074L01
K18X01L KC2018 12 10.76645902 44 16.57 -03 22 05.4 18.0 GVEX074L01
K18X01L KC2018 12 10.76803802 44 22.92 -03 22 47.3 18.1 GVEX074L01
K18X01L KC2018 12 10.76941902 44 28.42 -03 23 23.4 18.2 GVEX074L01
K18X01L KC2018 12 10.77060802 44 33.20 -03 23 55.0 18.2 GVEX074L01
K18X01L KC2018 12 10.80824 02 47 08.66 -03 40 41.4 18.2 GVEX074587
K18X01L KC2018 12 10.80858 02 47 10.04 -03 40 50.2 17.9 GVEX074587
K18X01L KC2018 12 10.81014 02 47 16.40 -03 41 32.4 18.0 GVEX074587
K18X01L KC2018 12 10.81186 02 47 23.45 -03 42 18.9 17.9 GVEX074587
K18X01L KC2018 12 10.85479 02 50 19.09 -04 01 17.6 17.1 RqEX074160
K18X01L KC2018 12 10.85581 02 50 23.44 -04 01 45.2 17.5 RqEX074160
K18X01L KC2018 12 10.85692 02 50 28.01 -04 02 15.0 17.9 RqEX074160
K18X01L KC2018 12 10.87654 02 51 52.02 -04 11 41.2 17.2 RqEX074K38
K18X01L KC2018 12 10.88324 02 52 20.28 -04 14 47.0 17.4 RqEX074K38
K18X01L KC2018 12 10.88991 02 52 48.66 -04 17 53.3 17.5 RqEX074K38
K18X01L KC2018 12 10.95895902 57 59.72 -04 51 30.7 17.9 GVEX074J95
K18X01L KC2018 12 10.95985002 58 03.70 -04 51 55.9 17.8 GVEX074J95
K18X01L KC2018 12 10.96078202 58 07.86 -04 52 22.7 17.9 GVEX074J95
K18X01L KC2018 12 10.96171102 58 12.03 -04 52 49.5 17.8 GVEX074J95
K18X01L HC2018 12 10.98550 02 59 48.97 -05 03 01.5 17.5 GVEX074204
K18X01L HC2018 12 10.98910 03 00 05.40 -05 04 45.9 VEX074204
K18X01L KC2018 12 10.99257 03 00 21.26 -05 06 25.7 VEX074204
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
160 Castelmartini. Observers M. Jaeger, E. Prosperi, S. Prosperi,
W. Vollmann. Measurer E. Prosperi. 0.35-m f/10 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector +
CCD.
587 Sormano. Observers M. Calcagno, A. Fumagalli, P. Sicoli, A. Testa.
Measurer P. Sicoli. 0.5-m f/6.8 reflector + CCD.
703 Catalina Sky Survey. 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. 0.68-m Schmidt + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer G. J. Leonard.
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.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3
Schmidt-Cassegrain + CCD.
K38 M57 Observatory, Saltrio. Observer G. Baj. 0.3-m f/5.5 Ritchey-Chretien
+ CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
P93 Space Tracking and Communications Center, JAXA. Observers S. Okumura,
T. Fujiwara. 1.0-m f/3.0 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.
Orbital elements:
2018 XL1 Earth MOID = 0.0065 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 52.63642 (2000.0) P Q
n 0.40452914 Peri. 192.21202 +0.05744017 -0.99743790
a 1.8106569 Node 254.50654 +0.91965019 +0.06948548
e 0.4547466 Incl. 2.53611 +0.38851533 -0.01701176
P 2.44 H 27.0 G 0.15 U 6
Residuals in seconds of arc
181210 703 (2.2+ 0.2-) 181210 T05 0.3- 1.0+ 181210 587 0.0 0.3+
181210 703 0.4+ 0.6- 181210 T05 1.5+ 1.1- 181210 587 0.1- 0.0
181210 703 0.6- 0.2+ 181210 T05 (1.3- 0.9+) 181210 587 0.3+ 0.3-
181210 703 0.1+ 0.2- 181210 T05 (4.2- 2.7+) 181210 160 1.5- 0.2-
181210 H01 0.1+ 0.1- 181210 P93 0.1- 0.3+ 181210 160 0.2+ 0.1+
181210 H01 0.1+ 0.1- 181210 P93 0.0 0.8+ 181210 160 0.5- 0.7+
181210 H01 0.1- 0.1- 181210 P93 0.2+ 0.2+ 181210 K38 1.0+ 0.8+
181210 H01 0.2- 0.2- 181210 104 0.4+ 0.9- 181210 K38 0.1+ 0.5+
181210 I52 0.7- 0.1+ 181210 104 0.1+ 0.3+ 181210 K38 1.2+ 0.6-
181210 I52 0.5- 0.1- 181210 104 0.5+ 0.2- 181210 J95 0.1+ 0.3-
181210 I52 0.2- 0.2+ 181210 104 0.0 0.4+ 181210 J95 0.0 0.1+
181210 I52 0.2- 0.4- 181210 L01 0.2+ 0.5+ 181210 J95 0.2- 0.0
181210 I52 (1.0- 0.3+) 181210 L01 0.2- 0.7+ 181210 J95 0.1- 0.1-
181210 I52 (0.6- 0.1+) 181210 L01 0.3+ 0.3+ 181210 204 0.5+ 0.2-
181210 I52 (1.1- 0.0 ) 181210 L01 0.2- 0.5+ 181210 204 0.4+ 0.6-
181210 I52 (1.3- 0.0 ) 181210 L01 0.1+ 0.2+ 181210 204 0.0 0.1-
181210 T05 1.6+ 0.4- 181210 587 0.1+ 0.0
Ephemeris:
2018 XL1 a,e,i = 1.81, 0.45, 3 q = 0.9873
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 11 00 02 26.9 +14 50 48 0.1101 1.0728 136.6 39.4 23.9
...
2018 11 26 00 03 21.4 +13 08 52 0.05760 1.0186 121.9 55.3 22.9
...
2018 12 04 00 23 12.7 +10 57 11 0.02985 1.0000 117.9 60.6 21.5
...
2018 12 10 01 59 51.9 +01 21 17 0.01014 0.9914 130.0 49.6 18.9
2018 12 11 03 01 28.0 -04 55 07 0.0076560.9904 137.9 41.8 18.0
2018 12 12 04 46 19.0 -14 14 30 0.0062930.9896 142.1 37.7 17.5
...
2018 12 18 10 29 48.9 -18 30 13 0.02126 0.9872 98.2 80.6 21.4
...
2018 12 26 11 09 25.3 -16 01 57 0.04861 0.9917 98.4 78.8 23.2
...
2019 01 10 11 20 58.3 -14 25 05 0.09799 1.0230 111.2 63.6 24.3
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-X74
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