[Iaude] MPEC X175: 2016 XF18 [a=1.21,e=0.18,i=19.2,H=24.1]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Mon Dec 14 14:56:50 EST 2020
M.P.E.C. 2020-X175 Issued 2020 December 14, 19:55 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
2016 XF18
Revision to MPEC 2016-X82
Additional Observations:
K16X18F |C2020 12 13.27385 09 00 49.72 -22 19 37.3 22.4 GVEX175807
K16X18F |C2020 12 13.28016 09 00 50.26 -22 20 37.0 22.4 GVEX175807
K16X18F |C2020 12 13.28619 09 00 50.86 -22 21 34.6 22.2 GVEX175807
K16X18F |C2020 12 14.26336 09 02 43.36 -24 53 40.8 22.0 GVEX175807
K16X18F |C2020 12 14.26829 09 02 43.82 -24 54 26.7 22.1 GVEX175807
K16X18F |C2020 12 14.27322 09 02 44.26 -24 55 12.5 22.1 GVEX175807
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
201213 807 48.9- 2.3- 201214 807 49.1- 0.6- MPO411583 -0.00 days
Orbital elements:
2016 XF18 Earth MOID = 0.0928 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 325.88309 (2000.0) P Q
n 0.74478639 Peri. 247.72956 -0.72183322 -0.61673879
a 1.2053548 Node 252.71206 +0.69132874 -0.66353018
e 0.1845172 Incl. 19.19879 -0.03195894 -0.42351030
P 1.32 H 24.1 G 0.15 U 0
Residuals in seconds of arc
161206 G96 0.4- 0.3+ 161206 K51 0.1- 0.1+ 161208 I52 0.0 0.2+
161206 G96 0.3- 0.1+ 161206 K51 0.1- 0.0 161208 I52 0.2- 0.1-
161206 G96 0.1+ 0.4+ 161206 033 0.2+ 0.5+ 161208 I52 0.1- 0.1+
161206 G96 0.5+ 0.5+ 161206 033 0.0 0.2+ 161215 705 0.0 0.2+
161206 I52 0.1- 0.4+ 161206 033 0.6+ 0.2+ 161215 705 0.4+ 0.9+
161206 I52 0.3- 0.0 161206 033 0.3+ 0.3- 161215 705 0.5+ 1.6+
161206 I52 0.4- 0.1- 161206 033 0.1+ 0.2+ 161221 807 0.0 0.0
161206 I52 0.0 0.1- 161206 033 0.1+ 0.4+ 161221 807 0.7+ 0.8-
161206 G96 0.1- 0.8- 161206 033 0.5+ 0.3+ 161221 807 0.1- 0.1-
161206 G96 0.5- 0.3- 161206 033 0.1- 0.4- 161228 807 0.0 0.1-
161206 G96 0.3+ 0.3- 161206 033 0.2- 0.4- 161228 807 0.1+ 0.3-
161206 G96 1.3- 0.3- 161206 033 0.0 0.0 161228 807 0.4+ 0.2-
161206 I52 0.8- 0.1- 161207 G96 1.0+ 0.6+ 170528 T12 0.0 0.0
161206 I52 0.4+ 0.3+ 161207 G96 0.5+ 1.7- 170528 T12 0.0 0.0
161206 I52 0.0 0.3- 161207 G96 1.4- 2.0- 201213 807 0.2+ 0.1-
161206 033 0.2+ 0.1+ 161207 H21 0.4+ 0.4- 201213 807 0.6- 0.0
161206 033 0.3+ 0.5+ 161207 H21 0.4+ 0.0 201213 807 0.1- 0.4-
161206 033 0.0 0.2+ 161207 H21 0.4+ 0.2- 201214 807 0.3+ 0.2+
161206 033 0.2- 0.2+ 161207 I52 0.1- 1.4+ 201214 807 0.2+ 0.2+
161206 033 0.3+ 0.3+ 161207 I52 0.9- 0.7- 201214 807 0.0 0.2+
161206 K51 0.1- 0.3+ 161207 I52 0.4- 1.2-
Ephemeris:
2016 XF18 a,e,i = 1.21, 0.18, 19 q = 0.9829
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 14 07 51 47.8 +38 09 44 0.2440 1.1240 117.8 51.2 23.2
...
2020 11 29 08 30 48.2 +14 27 32 0.1694 1.0820 120.4 51.8 22.3
...
2020 12 07 08 48 18.8 -05 24 28 0.1510 1.0613 116.5 56.2 22.2
...
2020 12 13 09 00 16.5 -21 36 30 0.1508 1.0467 110.4 61.8 22.3
2020 12 14 09 02 11.4 -24 13 00 0.1519 1.0444 109.3 62.8 22.3
2020 12 15 09 04 05.3 -26 46 13 0.1533 1.0421 108.1 63.9 22.4
...
2020 12 21 09 15 14.9 -40 34 52 0.1670 1.0291 101.1 69.7 22.7
...
2020 12 29 09 30 20.3 -54 30 09 0.1951 1.0138 93.4 75.5 23.2
...
2021 01 13 10 04 54.6 -70 22 23 0.2578 0.9928 84.6 80.5 24.0
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-X175
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