[Iaude] MPEC X224: 2018 ND1 [a=2.49,e=0.65,i=65.0,H=17.4]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Tue Dec 14 09:06:03 EST 2021
M.P.E.C. 2021-X224 Issued 2021 December 14, 14:04 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 ND1
Revision to MPEC 2018-N37
Additional Observations:
K18N01D KC2012 02 15.39781010 16 48.985+15 14 00.80 22.40GVEX224F51
K18N01D /C2014 01 10.27470412 55 01.17 -62 13 01.7 22.3 rXEX224W84
K18N01D /C2014 01 10.27620312 55 01.28 -62 13 05.0 22.2 rXEX224W84
K18N01D KC2015 12 16.59868711 06 10.043+11 48 45.48 23.99GVEX224F51
K18N01D KC2016 01 09.51518310 55 23.602+11 23 09.47 23.87GVEX224F51
K18N01D KC2016 02 09.57320610 24 38.659+11 48 36.21 23.64GVEX224F51
K18N01D KC2016 03 07.31621509 52 18.163+12 16 15.17 23.69GVEX224F51
K18N01D KC2016 04 04.38127509 27 29.815+12 05 38.41 22.57GVEX224F51
K18N01D KC2017 01 10.59920011 02 21.360-19 24 37.16 22.47GVEX224F51
K18N01D /C2017 03 07.29358810 00 49.58 -22 36 38.0 XEX224W84
K18N01D /C2017 03 07.29484310 00 49.51 -22 36 37.8 XEX224W84
K18N01D /C2017 03 07.29610310 00 49.38 -22 36 38.0 XEX224W84
K18N01D /C2017 03 07.29736010 00 49.33 -22 36 38.1 XEX224W84
K18N01D /C2017 03 15.16454609 50 44.94 -22 12 29.9 22.9 iXEX224W84
K18N01D /C2017 03 15.16609009 50 44.86 -22 12 29.7 22.9 zXEX224W84
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
W84 Cerro Tololo-DECam. Observer . Measurer K. Ly. 4.0-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
120215 F51 1.9- 15.1- 170315 W84 0.6- 2.4- MPO466948 +1431 days
Orbital elements:
2018 ND1 Earth MOID = 0.1453 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Veres
M 327.69398 (2000.0) P Q
n 0.25147254 Peri. 9.41856 +0.89503991 +0.06010102
a 2.4858543 Node 330.82546 -0.44489413 +0.05102459
e 0.6542686 Incl. 65.03298 -0.03118935 +0.99688734
P 3.92 H 17.43 G 0.15 U 1
Residuals in seconds of arc
120215 F51 0.3- 0.0 180707 G96 (0.7+ 1.2-) 180709 A17 0.3- 0.6-
140110 W84 0.6- 0.6+ 180708 L01 0.1+ 0.2+ 180709 A17 0.2+ 0.3-
140110 W84 0.5- 0.0 180708 L01 0.1- 0.3- 180709 A17 0.1- 0.0
151216 F51 0.3+ 0.2- 180708 L01 0.3- 0.6- 180710 734 0.6+ 0.6+
160109 F51 0.4- 0.0 180708 204 0.3- 0.3+ 180710 734 0.2+ 0.7+
160209 F51 0.2+ 0.0 180708 L01 0.2+ 0.0 180710 734 0.1+ 0.8+
160307 F51 0.4- 0.2+ 180708 204 0.0 0.2- 180724 A17 0.1+ 0.3+
160404 F51 0.2+ 0.1+ 180708 204 0.5+ 0.3- 180724 A17 0.4- 0.2+
170110 F51 0.1+ 0.1- 180708 J95 0.3- 0.1- 180724 A17 0.4- 0.6-
170307 W84 0.5- 0.4+ 180708 J95 0.2+ 0.1- 180828 204 0.1- 0.3+
170307 W84 0.1- 0.4+ 180708 H21 0.1+ 0.1- 180828 204 0.0 0.4+
170307 W84 0.5- 0.0 180708 H21 0.0 0.1- 181204 I52 0.4+ 0.3-
170307 W84 0.2+ 0.2- 180708 H21 0.2- 0.1- 181204 I52 0.0 0.3-
170315 W84 0.1- 0.0 180708 H21 0.2- 0.3+ 181204 I52 0.3- 0.5-
170315 W84 0.4+ 0.1- 180708 G96 0.3- 0.2- 190225 H21 1.2- 0.3+
180707 G96 0.1+ 0.2- 180708 G96 0.0 0.1+ 190225 H21 (0.5- 1.5+)
180707 G96 0.1+ 0.2- 180708 G96 0.1+ 0.2+ 190225 H21 0.1+ 1.2+
180707 G96 0.1- 0.0 180708 G96 0.3+ 0.2+
Ephemeris:
2018 ND1 a,e,i = 2.49, 0.65, 65 q = 0.8594
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 14 12 15 58.5 -45 54 26 2.9698 2.3962 46.3 17.4 22.6
...
2021 11 29 12 45 50.3 -51 47 30 2.7727 2.2829 50.9 19.6 22.4
...
2021 12 07 13 04 37.9 -55 10 30 2.6667 2.2205 53.2 20.8 22.3
...
2021 12 13 13 20 39.3 -57 48 16 2.5878 2.1728 54.7 21.7 22.2
2021 12 14 13 23 31.6 -58 14 57 2.5748 2.1648 54.9 21.9 22.2
2021 12 15 13 26 27.7 -58 41 42 2.5617 2.1567 55.2 22.0 22.2
...
2021 12 21 13 45 38.2 -61 23 37 2.4846 2.1080 56.5 22.9 22.1
...
2021 12 29 14 16 36.2 -64 59 52 2.3849 2.0418 58.0 24.1 22.0
...
2022 01 13 15 42 22.1 -71 09 43 2.2109 1.9140 59.7 26.3 21.8
A. U. Tomatic (C) Copyright 2021 MPC M.P.E.C. 2021-X224
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