MPEC 2019-W33 : 2017 OS18
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2019-W32
Read MPEC 2019-W34
M.P.E.C. 2019-W33 Issued 2019 November 18, 02:03 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
2017 OS18
Revision to MPEC 2017-O66
Additional Observations:
K17O18S C2014 06 27.59900701 02 46.006+02 45 54.30 23.0 GVEW033F51
K17O18S C2014 06 27.60164601 02 46.311+02 45 56.15 22.1 GVEW033F51
K17O18S C2014 06 27.60429101 02 46.626+02 45 57.59 22.2 GVEW033F51
K17O18S C2014 08 24.61293802 22 26.043+06 47 41.77 22.8 GVEW033F51
K17O18S C2014 08 24.61704002 22 26.110+06 47 41.17 22.3 GVEW033F51
K17O18S C2014 08 24.62526102 22 26.228+06 47 40.17 21.9 GVEW033F51
K17O18S C2014 08 25.59727602 22 45.487+06 45 45.87 22.9 GVEW033F51
K17O18S C2014 08 25.60489402 22 45.624+06 45 45.35 22.6 GVEW033F51
K17O18S C2014 08 25.61249502 22 45.719+06 45 44.02 22.5 GVEW033F51
K17O18S C2014 08 25.62011602 22 45.841+06 45 42.41 23.8 GVEW033F51
K17O18S C2014 08 30.54538202 23 44.168+06 33 03.09 22.8 GVEW033F51
K17O18S C2014 08 30.55731202 23 44.163+06 33 00.07 22.3 GVEW033F51
K17O18S C2014 08 30.56921002 23 44.189+06 32 58.21 22.9 GVEW033F51
K17O18S C2014 08 30.58110902 23 44.205+06 32 56.28 23.2 GVEW033F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
140627 F51 50.3- 20.4- 140830 F51 61.3- 28.5- MPO423864 +0.04 days
Orbital elements:
2017 OS18 Earth MOID = 0.2797 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 Veres
M 208.83917 (2000.0) P Q
n 0.31080785 Peri. 178.00477 +0.22037674 +0.97286463
a 2.1584471 Node 104.72114 -0.89593191 +0.23046234
e 0.3992461 Incl. 4.17942 -0.38566839 +0.02053105
P 3.17 H 20.1 G 0.15 U 2
Residuals in seconds of arc
140627 F51 0.5+ 0.3- 170725 H21 0.3+ 0.3- 170801 204 0.1+ 0.3-
140627 F51 0.0 0.0 170725 H36 0.3+ 0.3- 170801 204 0.1+ 0.2-
140627 F51 0.3- 0.1- 170725 W86 0.1+ 0.3- 170801 T08 0.2- 1.2-
140824 F51 0.0 0.0 170725 W86 0.2+ 0.2- 170801 T08 0.7- 0.3+
140824 F51 0.1- 0.2- 170725 W86 0.1+ 0.1- 170801 T08 0.6+ 0.3-
140824 F51 0.5- 0.2- 170725 W86 0.0 0.1- 170801 T08 0.3+ 0.8-
140825 F51 0.2- 0.1+ 170725 H36 0.6+ 0.2- 170910 691 0.5+ 0.1-
140825 F51 0.1+ 0.5+ 170725 F51 0.1- 0.0 170910 691 0.1+ 1.0+
140825 F51 0.1- 0.1+ 170725 F51 0.1- 0.0 170910 691 0.2+ 0.5+
140825 F51 0.0 0.5- 170725 F51 0.1- 0.0 170923 F51 0.0 0.2+
140830 F51 0.5+ 0.2+ 170725 F51 0.1- 0.1+ 170923 F51 0.1+ 0.2+
140830 F51 0.1+ 0.6- 170725 K88 0.4- 0.2+ 170923 F51 0.0 0.2+
140830 F51 0.2+ 0.3- 170726 K88 0.6- 0.0 170924 807 0.6- 0.2+
140830 F51 0.2+ 0.1- 170728 F51 0.1+ 0.1+ 170924 807 0.2- 0.1-
170724 T08 0.5- 0.1+ 170728 F51 0.1+ 0.1+ 170924 807 0.6- 0.3-
170724 T08 1.3+ 0.1+ 170728 F51 0.0 0.1+ 171026 807 0.6+ 0.8+
170724 T08 0.7+ 1.1+ 170728 F51 0.1- 0.3+ 171026 807 0.1+ 0.5+
170724 T08 1.1- 0.3- 170729 W25 0.4- 0.0 171026 807 0.2- 0.1+
170724 T08 (1.7+ 1.1+) 170729 W25 0.2- 0.0 171027 807 0.2- 0.3-
170724 T08 (0.6+ 1.8+) 170729 F51 0.0 0.1+ 171027 807 0.1- 0.1-
170725 H21 0.3+ 0.8- 170729 F51 0.0 0.1+ 171027 807 0.2- 0.1-
170725 H21 0.4+ 1.2- 170729 F51 0.0 0.0
170725 H36 0.3+ 0.3- 170729 F51 0.0 0.1+
Ephemeris:
2017 OS18 a,e,i = 2.16, 0.40, 4 q = 1.2967
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 10 19 10 56 22.9 +09 11 02 3.1840 2.5515 43.3 15.5 25.5
...
2019 11 03 11 18 50.3 +07 06 39 2.9777 2.4972 52.3 18.3 25.4
...
2019 11 11 11 30 37.3 +06 01 07 2.8592 2.4671 57.2 19.7 25.3
...
2019 11 17 11 39 21.2 +05 12 46 2.7671 2.4439 60.9 20.7 25.3
2019 11 18 11 40 48.0 +05 04 47 2.7514 2.4400 61.5 20.9 25.3
2019 11 19 11 42 14.6 +04 56 50 2.7358 2.4361 62.1 21.0 25.3
...
2019 11 25 11 50 50.0 +04 09 48 2.6403 2.4123 65.9 21.9 25.2
...
2019 12 03 12 02 04.8 +03 09 14 2.5100 2.3800 71.0 23.1 25.1
...
2019 12 18 12 22 22.1 +01 24 36 2.2589 2.3171 80.9 24.8 24.8
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-W33
Read MPEC 2019-W32
Read MPEC 2019-W34
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)