MPEC 2016-X85 : 2016 XL18
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M.P.E.C. 2016-X85 Issued 2016 Dec. 9, 01:33 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
2016 XL18
Observations:
K16X18L C2016 11 29.36430 02 37 09.773-23 00 40.69 20.8 wLEX085F51
K16X18L C2016 11 29.38572 02 37 21.233-22 52 41.18 20.1 wLEX085F51
K16X18L* C2016 12 06.26260 03 34 39.08 +14 57 04.5 20.2 VqEX085G96
K16X18L C2016 12 06.26983 03 34 41.38 +14 58 49.9 20.2 VqEX085G96
K16X18L C2016 12 06.28008 03 34 44.71 +15 01 20.4 20.1 VqEX085G96
K16X18L C2016 12 06.33167 03 35 01.39 +15 13 46.0 qEX085I52
K16X18L C2016 12 06.33562 03 35 02.59 +15 14 42.5 20.8 VqEX085I52
K16X18L C2016 12 06.33639 03 35 02.92 +15 14 53.9 20.5 VqEX085I52
K16X18L C2016 12 06.33716 03 35 03.20 +15 15 05.0 20.5 VqEX085I52
K16X18L C2016 12 06.37652 03 35 16.23 +15 24 28.7 20.9 VqEX085I52
K16X18L C2016 12 06.37884 03 35 17.04 +15 25 01.5 20.5 VqEX085I52
K16X18L C2016 12 06.38575 03 35 19.38 +15 26 40.4 20.3 VqEX085G96
K16X18L C2016 12 06.38617 03 35 19.48 +15 26 46.3 20.5 VqEX085G96
K16X18L C2016 12 06.38703 03 35 19.85 +15 26 59.1 21.9 VqEX085G96
K16X18L KC2016 12 07.22791003 40 40.51 +18 39 11.7 20.5 VuEX085H21
K16X18L KC2016 12 07.23239703 40 41.87 +18 40 09.5 20.7 VuEX085H21
K16X18L KC2016 12 07.23957803 40 44.08 +18 41 42.4 20.6 VuEX085H21
K16X18L C2016 12 08.34363 03 47 08.77 +22 25 48.7 21.3 VqEX085G96
K16X18L C2016 12 08.34405 03 47 08.89 +22 25 52.1 20.9 VqEX085G96
K16X18L C2016 12 08.34446 03 47 09.03 +22 25 57.0 20.9 VqEX085G96
K16X18L C2016 12 08.34491 03 47 09.12 +22 26 01.4 21.0 VqEX085G96
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers B. Gibson, T. Goggia, S. Kahale,
A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau,
H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters,
R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. Measurers 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. G. Matheny, R. L. Seaman, F. C. Shelly.
1.5-m reflector + 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 J. A. Johnson.
Measurers 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. G. Matheny,
R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
Orbital elements:
2016 XL18 Earth MOID = 0.0326 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 MPC
M 68.74020 (2000.0) P Q
n 0.62572944 Peri. 315.83643 +0.85358547 -0.50162884
a 1.3537703 Node 74.76175 +0.50918089 +0.74631105
e 0.2846592 Incl. 8.37747 +0.11012118 +0.43747950
P 1.58 H 26.1 G 0.15 U 7
Residuals in seconds of arc
161129 F51 0.2- 0.4- 161206 I52 0.3+ 0.3- 161207 H21 0.1- 0.3+
161129 F51 0.2+ 0.4+ 161206 I52 0.7+ 0.3- 161207 H21 0.3- 0.1-
161206 G96 0.0 0.3- 161206 I52 0.4- 0.1+ 161207 H21 0.1- 0.1-
161206 G96 0.2- 0.5- 161206 I52 0.0 0.1- 161208 G96 0.1+ 0.9+
161206 G96 0.6+ 0.6+ 161206 G96 0.2- 0.4+ 161208 G96 0.1+ 0.4-
161206 I52 0.6+ 0.4- 161206 G96 0.8- 0.4+ 161208 G96 0.4+ 0.0
161206 I52 0.8- 0.7- 161206 G96 0.3+ 0.9+ 161208 G96 0.2- 0.7-
Ephemeris:
2016 XL18 a,e,i = 1.35, 0.28, 8 q = 0.9684
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2016 11 09 21 29 52.2 -70 18 20 0.09461 0.9734 76.9 97.7 24.4
...
2016 11 24 01 29 11.5 -50 34 12 0.04505 0.9973 101.6 75.9 22.0
...
2016 12 02 03 02 31.4 -06 40 58 0.03829 1.0170 143.7 35.0 20.5
...
2016 12 08 03 45 16.6 +21 19 56 0.05171 1.0345 162.7 16.4 20.6
2016 12 09 03 50 51.3 +24 25 17 0.05497 1.0376 163.2 15.9 20.7
2016 12 10 03 56 05.0 +27 08 38 0.05843 1.0408 163.1 16.0 20.9
...
2016 12 16 04 21 35.8 +37 57 12 0.08204 1.0609 158.6 19.8 21.8
...
2016 12 24 04 45 14.6 +44 23 48 0.1184 1.0902 152.8 24.4 22.8
...
2017 01 08 05 16 28.0 +47 41 09 0.1974 1.1507 145.1 29.3 24.2
A. U. Tomatic (C) Copyright 2016 MPC M.P.E.C. 2016-X85
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