[Iaude] MPEC X71: 2017 OG68 [a=2.48,e=0.49,i=4.7,H=21.9]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Fri Dec 3 09:09:27 EST 2021
M.P.E.C. 2021-X71 Issued 2021 December 3, 14:08 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
2017 OG68
Revision to MPEC 2017-P31
Additional Observations:
K17O68G C2013 07 18.39672319 17 04.035-10 33 59.56 21.87GVEX071F51
K17O68G C2013 07 18.40835419 17 03.202-10 33 57.81 22.61GVEX071F51
K17O68G C2013 07 19.39427319 16 01.475-10 31 39.20 22.97GVEX071F51
K17O68G C2013 07 19.40562319 16 00.690-10 31 37.45 22.29GVEX071F51
K17O68G KC2017 06 25.56701221 37 38.539-04 04 05.60 23.45GVEX071F51
K17O68G C2017 07 28.50516222 13 45.857+04 05 23.65 21.75GVEX071F51
K17O68G C2017 07 29.50874322 14 40.386+04 19 46.09 21.93GVEX071F51
K17O68G C2017 07 29.53582122 14 41.646+04 20 09.17 21.77GVEX071F51
K17O68G C2017 07 29.54910922 14 42.264+04 20 20.43 21.63GVEX071F51
K17O68G C2017 10 23.38318200 01 29.971+05 32 56.31 21.31GVEX071F51
K17O68G C2017 10 23.39527700 01 31.321+05 32 51.96 21.30GVEX071F51
K17O68G C2017 10 23.40740800 01 32.677+05 32 47.85 21.21GVEX071F51
K17O68G KC2021 12 01.30137104 53 33.69 +16 04 41.2 21.99GVEX071V06
K17O68G KC2021 12 01.30292904 53 33.55 +16 04 40.4 23.12GVEX071V06
K17O68G KC2021 12 01.30448504 53 33.46 +16 04 39.7 22.98GVEX071V06
K17O68G KC2021 12 01.30604004 53 33.31 +16 04 39.1 22.78GVEX071V06
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.
V06 Catalina Sky Survey-Kuiper. Observer D. Rankin. Measurers 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, D. Rankin, R. L.
Seaman, F. C. Shelly, K. W. Wierzchos. 1.55-m reflector + 1K CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
130718 F51 0.04- 0.01- 211201 V06 0.05- 0.00- MPO438037 +0.03 days
Orbital elements:
2017 OG68 Earth MOID = 0.2799 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Veres
M 36.64806 (2000.0) P Q
n 0.25186991 Peri. 144.72360 +0.99680572 -0.06139244
a 2.4832390 Node 218.89369 +0.04056298 +0.94014094
e 0.4861262 Incl. 4.66652 +0.06879687 +0.33521036
P 3.91 H 21.96 G 0.15 U 0
Residuals in seconds of arc
130718 F51 0.4+ 0.1+ 170805 H21 0.5+ 0.4- 170921 F51 0.0 0.0
130718 F51 0.2- 0.2+ 170805 H21 0.7+ 0.7- 170921 F51 0.1- 0.1-
130719 F51 0.1+ 0.4- 170818 H21 0.6+ 0.2+ 170921 F51 0.1+ 0.0
130719 F51 0.0 0.1- 170818 H21 0.3- 0.2+ 170921 F51 0.0 0.1-
170625 F51 0.1+ 0.2- 170824 754 0.8- 0.2+ 170921 F51 0.0 0.1-
170726 F51 0.0 0.1- 170824 754 1.4- 0.2- 170926 G96 0.1- 0.1+
170726 F51 0.0 0.1- 170824 H21 0.3- 0.3+ 170926 G96 0.4+ 0.1+
170726 F51 0.2+ 0.0 170824 754 0.1- 0.3- 170926 G96 0.2- 0.2+
170726 F51 0.1- 0.0 170824 H21 0.1+ 0.3+ 170926 G96 0.1- 0.2+
170728 F51 0.2- 0.0 170824 H21 0.2- 0.2+ 171012 204 0.4+ 0.3+
170729 F51 0.0 0.1+ 170827 H21 0.2+ 0.2+ 171012 204 0.6- 0.0
170729 F51 0.1- 0.0 170827 H21 0.2+ 0.0 171016 G96 0.1+ 0.5+
170729 F51 0.1- 0.1- 170827 H21 0.2+ 0.1+ 171016 G96 0.7- 0.2+
170730 H21 0.2+ 0.1+ 170910 691 0.3+ 0.0 171016 G96 0.1- 0.5+
170730 H21 0.2+ 0.1- 170910 691 0.7+ 0.2+ 171016 G96 0.2- 0.1-
170730 H21 0.0 0.1- 170910 691 0.4+ 0.0 171023 F51 0.1+ 0.1-
170730 568 0.0 0.0 170911 H21 1.2+ 0.4- 171023 F51 0.1+ 0.2-
170730 T14 0.0 0.0 170911 H21 0.1+ 0.6+ 171023 F51 0.1+ 0.0
170730 568 0.0 0.0 170917 J43 0.4+ 0.0 171024 G96 0.3+ 0.1-
170730 T14 0.0 0.0 170917 J43 0.3- 0.4- 171024 G96 0.3+ 0.3-
170730 568 0.0 0.0 170917 J43 0.1+ 0.3+ 171024 G96 0.3- 0.1+
170730 T14 0.0 0.0 170917 J43 0.4+ 0.4+ 171118 807 0.1- 0.4-
170801 658 0.1- 0.9- 170920 H21 0.1- 0.4- 171118 807 0.4- 0.6-
170801 658 0.2- 0.9- 170920 H21 0.2+ 0.1- 171118 807 0.0 0.1+
170801 658 0.3- 0.5- 170920 H21 0.1+ 0.0 211201 V06 0.4+ 0.3+
170802 291 0.0 0.1- 170920 204 0.2- 0.0 211201 V06 0.0 0.1+
170802 291 0.3- 0.1+ 170921 204 0.3- 0.2- 211201 V06 0.2+ 0.0
170805 H21 0.7+ 0.5- 170921 F51 0.0 0.1- 211201 V06 0.4- 0.1-
Ephemeris:
2017 OG68 a,e,i = 2.48, 0.49, 5 q = 1.2761
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 03 05 18 46.3 +19 46 10 0.5421 1.4502 140.1 26.0 22.6
...
2021 11 18 05 07 58.6 +17 37 02 0.5644 1.5252 157.4 14.4 22.4
...
2021 11 26 04 59 26.2 +16 37 56 0.5910 1.5682 166.8 8.3 22.4
...
2021 12 02 04 52 47.9 +16 00 48 0.6188 1.6015 172.4 4.7 22.3
2021 12 03 04 51 43.1 +15 55 18 0.6242 1.6071 172.9 4.3 22.4
2021 12 04 04 50 39.1 +15 50 02 0.6297 1.6127 173.2 4.1 22.4
...
2021 12 10 04 44 40.1 +15 23 02 0.6673 1.6471 170.8 5.5 22.6
...
2021 12 18 04 38 16.6 +14 59 45 0.7287 1.6937 162.7 9.9 23.1
...
2022 01 02 04 32 32.8 +14 52 11 0.8769 1.7831 146.8 17.6 23.9
A. U. Tomatic (C) Copyright 2021 MPC M.P.E.C. 2021-X71
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