[Iaude] MPEC X89: 2006 YU1 [a=2.65,e=0.55,i=8.1,H=21.0]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sat Dec 7 16:01:49 EST 2019
M.P.E.C. 2019-X89 Issued 2019 December 7, 21:00 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
2006 YU1
Revision to MPEC 2006-Y27
Additional Observations:
K06Y01U C2019 12 04.54208109 08 35.939+25 49 33.29 22.07wUEX089F51
K06Y01U C2019 12 04.55539609 08 38.695+25 49 10.80 21.93wUEX089F51
K06Y01U C2019 12 04.56874209 08 41.497+25 48 47.73 21.89wUEX089F51
K06Y01U C2019 12 04.58209709 08 44.274+25 48 24.83 21.50wUEX089F51
K06Y01U KC2019 12 05.35511309 11 31.33 +25 25 47.1 21.3 VuEX089H21
K06Y01U KC2019 12 05.36238109 11 32.84 +25 25 35.0 21.8 VuEX089H21
K06Y01U C2019 12 06.40692 09 15 17.72 +24 54 21.2 20.6 GVEX089I52
K06Y01U C2019 12 06.41150 09 15 18.74 +24 54 13.3 20.4 GVEX089I52
K06Y01U C2019 12 06.41609 09 15 19.69 +24 54 05.0 20.7 GVEX089I52
K06Y01U KC2019 12 07.34149609 18 37.98 +24 25 33.9 21.2 VuEX089H21
K06Y01U KC2019 12 07.34585409 18 38.88 +24 25 25.6 21.0 VuEX089H21
K06Y01U KC2019 12 07.35166709 18 40.10 +24 25 14.9 20.9 VuEX089H21
K06Y01U KC2019 12 07.42243 09 18 54.91 +24 23 02.3 20.7 GVEX089H36
K06Y01U KC2019 12 07.43296 09 18 57.07 +24 22 42.6 20.6 GVEX089H36
K06Y01U KC2019 12 07.44341 09 18 59.19 +24 22 23.3 20.8 GVEX089H36
K06Y01U KC2019 12 07.48056 09 19 07.21 +24 21 16.9 21.5 RoEX089691
K06Y01U KC2019 12 07.49821 09 19 10.79 +24 20 43.0 20.9 RoEX089691
K06Y01U KC2019 12 07.51586 09 19 14.46 +24 20 10.5 21.5 RoEX089691
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch. Observer A. F. Tubbiolo. 0.9-m
f/3 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.81-m f/4.0
astrograph + CCD, 0.76-m f/3.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers H. Groeller, K. W.
Wierzchos. 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, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W.
Wierzchos. 1.0-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
191204 F51 1.16- 0.72- 191207 691 1.19- 0.75- MPO121873 -0.66 days
Orbital elements:
2006 YU1 Earth MOID = 0.2088 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 32.07757 (2000.0) P Q
n 0.22840753 Peri. 191.34889 -0.55316982 -0.82269357
a 2.6505079 Node 292.36229 +0.77499060 -0.45048162
e 0.5506053 Incl. 8.14766 +0.30560223 -0.34675870
P 4.32 H 21.0 G 0.15 U 1
Residuals in seconds of arc
061220 703 0.4+ 1.0- 061227 A70 0.6- 0.0 070120 143 0.3- 0.2+
061220 703 0.9- 0.6+ 061227 A70 0.5+ 0.5+ 070120 143 0.4- 0.1-
061220 703 0.8+ 0.1- 061231 170 0.5- 0.1+ 070125 703 0.5- 0.0
061220 703 0.6- 0.1- 061231 170 0.2- 0.0 070125 703 0.3- 0.7-
061220 703 0.2+ 0.3- 061231 170 0.3- 0.5- 070126 A48 0.0 0.2+
061220 703 0.0 0.2+ 061231 448 1.4+ 0.4- 070126 A48 0.1+ 0.5+
061220 703 0.0 0.8- 061231 448 0.8+ 0.8- 070126 A48 0.7+ 0.0
061220 143 0.6+ 0.1+ 061231 448 1.4+ 0.0 070128 808 (2.0+ 3.3-)
061220 J95 0.6- 0.7+ 070101 448 0.0 0.1+ 070128 808 0.8+ 1.0-
061220 143 0.1- 0.1- 070101 448 0.3+ 0.3- 070128 808 0.4- 1.5-
061220 J95 0.4- 0.9- 070101 448 0.3+ 0.3- 070128 448 0.2- 0.1+
061220 J95 0.1- 0.5- 070107 952 0.1- 0.4- 070128 448 0.2- 0.0
061220 A99 0.2+ 1.0+ 070107 952 0.0 0.3- 070128 448 0.2- 0.1+
061220 A99 0.7- 0.7+ 070107 952 0.1+ 0.1- 070207 H45 0.2- 0.3-
061220 A99 0.4- 0.0 070108 691 0.3- 0.3+ 070207 H45 0.2- 0.2-
061220 A99 (0.5- 1.5+) 070108 691 0.1- 0.2+ 070207 H45 0.0 0.2-
061220 A99 0.6- 0.7+ 070108 691 0.2- 0.1+ 070207 H45 0.1- 0.0
061220 A99 0.3+ 0.6+ 070108 703 0.3- 0.2- 070207 H45 0.3- 0.2-
061220 A99 0.2+ 0.9+ 070108 703 0.5- 0.9+ 070211 130 0.5- 0.1-
061222 H45 0.2+ 0.5+ 070108 703 0.2- 0.2+ 070211 130 0.3- 0.0
061222 H45 0.5- 0.1- 070108 703 1.2- 0.6- 070211 130 0.1+ 0.3-
061222 H45 0.2+ 0.1- 070108 H45 0.2- 0.2+ 070211 130 0.4+ 0.9-
061222 H45 0.4+ 0.2+ 070108 H45 0.0 0.0 070218 704 0.3+ 0.5+
061222 H45 0.1+ 0.1- 070108 H45 0.3+ 0.3+ 070218 704 1.2+ 0.0
061222 H45 0.0 0.2- 070108 H45 0.2- 0.0 070218 704 0.4- 0.6+
061222 H45 0.3+ 0.4- 070108 H45 0.1+ 0.1- 070218 704 1.3+ 0.4+
061223 696 0.5+ 0.6- 070108 H45 0.0 0.5+ 070218 704 1.0+ 0.0
061223 696 0.3+ 0.1- 070108 H45 0.1- 0.4+ 070313 246 0.4- 1.1+
061225 A56 0.1+ 0.3- 070110 H51 (2.2+ 1.3-) 070313 246 1.0- 0.2-
061225 A56 0.1+ 0.2- 070110 H51 (0.9+ 1.5-) 070313 246 0.8- 0.4-
061225 A56 0.2+ 0.0 070110 H51 0.4- 0.4+ 070313 246 0.2- 0.1-
061225 A56 0.4+ 0.2+ 070111 H45 0.1- 0.1- 191204 F51 0.1+ 0.0
061225 A56 0.2- 0.0 070111 H45 0.2- 0.3- 191204 F51 0.2- 0.2+
061225 448 0.0 0.2+ 070111 H45 0.9- 0.3+ 191204 F51 0.1+ 0.0
061225 448 0.3+ 0.4- 070112 084 0.1+ 0.4+ 191204 F51 0.1+ 0.0
061225 448 0.3+ 0.1+ 070113 704 0.2+ 0.5+ 191205 H21 0.3- 0.1-
061225 A53 0.9+ 0.5+ 070113 704 0.5- 0.3+ 191205 H21 0.5- 0.6+
061226 A53 0.5+ 0.1+ 070113 704 0.6+ 0.8+ 191206 I52 0.7- 0.2-
061226 A53 0.4+ 0.8+ 070113 704 0.2+ 0.4+ 191206 I52 0.3+ 0.1+
061226 A56 0.1+ 0.1+ 070115 699 0.0 0.6+ 191206 I52 0.2+ 0.1+
061226 A56 0.3+ 0.1- 070115 699 0.7+ 0.5+ 191207 H21 0.1+ 0.3+
061226 A56 0.4+ 0.1+ 070115 699 0.2- 0.2+ 191207 H21 0.0 0.0
061226 A56 0.1+ 0.1- 070115 644 0.2- 0.2+ 191207 H21 0.2+ 0.1+
061227 113 0.1+ 0.3+ 070115 644 0.0 0.3+ 191207 H36 0.5+ 0.8-
061227 113 0.2+ 0.2+ 070115 644 0.2- 0.4+ 191207 H36 0.3+ 0.8-
061227 113 0.2+ 0.1+ 070116 071 (2.8+ 2.1-) 191207 H36 0.2- 0.5-
061227 113 0.3+ 0.0 070116 071 0.3+ 1.1- 191207 691 0.1+ 0.5+
061227 113 0.1+ 0.2- 070116 071 0.8+ 0.6- 191207 691 0.6- 0.3-
061227 A70 0.1+ 0.1- 070120 143 0.5- 0.2+ 191207 691 0.1- 0.5+
Ephemeris:
2006 YU1 a,e,i = 2.65, 0.55, 8 q = 1.1911
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 11 07 07 28 40.3 +34 00 31 0.6639 1.4052 114.8 39.8 22.4
...
2019 11 22 08 22 48.0 +30 43 52 0.5358 1.3253 117.8 41.2 21.9
...
2019 11 30 08 52 06.5 +27 51 18 0.4793 1.2886 119.0 42.0 21.6
...
2019 12 06 09 13 49.6 +25 06 43 0.4427 1.2642 119.6 42.7 21.4
2019 12 07 09 17 24.2 +24 36 17 0.4370 1.2604 119.7 42.8 21.4
2019 12 08 09 20 57.8 +24 04 59 0.4315 1.2567 119.8 42.8 21.3
...
2019 12 14 09 41 55.6 +20 39 24 0.4015 1.2365 120.3 43.4 21.2
...
2019 12 22 10 08 23.7 +15 21 42 0.3691 1.2150 120.8 44.0 21.0
...
2020 01 06 10 51 11.0 +03 57 13 0.3311 1.1929 122.2 44.3 20.7
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-X89
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