[Iaude] MPEC T90: 2014 YN9 [a=2.74,e=0.57,i=11.3,H=20.92]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sat Oct 7 10:09:33 EDT 2023
M.P.E.C. 2023-T90 Issued 2023 October 7, 14:08 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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
2014 YN9
Revision to MPEC 2014-Y48
Additional Observations:
K14Y09N C2023 09 24.33556 01 02 55.35 +27 39 59.3 21.4 GVET090G96
K14Y09N C2023 09 24.34124 01 02 55.26 +27 39 59.6 21.4 GVET090G96
K14Y09N C2023 09 24.34695 01 02 55.18 +27 40 00.0 22.6 GVET090G96
K14Y09N C2023 09 24.35264 01 02 55.10 +27 40 00.1 21.9 GVET090G96
K14Y09N C2023 10 05.51795901 00 56.497+27 21 52.43 21.25wXET090F51
K14Y09N C2023 10 05.54654601 00 55.838+27 21 43.21 21.34wXET090F51
K14Y09N C2023 10 05.57760901 00 55.158+27 21 33.06 21.42wXET090F51
K14Y09N KC2023 10 06.27457101 00 43.62 +27 17 53.7 21.6 VuET090H21
K14Y09N KC2023 10 06.28018201 00 43.51 +27 17 51.9 21.3 VuET090H21
K14Y09N KC2023 10 06.28439101 00 43.38 +27 17 50.7 21.4 VuET090H21
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Bulger, J.
Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, Y.
Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat, R. Weryk. 1.8-m Ritchey-
Chretien + CCD.
G96 Mt. Lemmon Survey. Observer K. W. Wierzchos. Measurers B. Gray, D.
Rankin, F. C. Shelly. 1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.81-m f/4.0 astrograph + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
230924 G96 1.13- 0.33- 231006 H21 1.36- 0.43- E2023-O15 -0.37 days
Orbital elements:
2014 YN9 Earth MOID = 0.2208 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 336.68914 (2000.0) P Q
n 0.21676178 Peri. 209.47494 +0.12488977 -0.97960045
a 2.7446117 Node 233.79111 +0.94421611 +0.16608223
e 0.5668037 Incl. 11.25158 +0.30472690 -0.11313556
P 4.55 H 20.92 G 0.15 U 1
Residuals in seconds of arc
141122 G96 0.1+ 0.2- 141227 807 0.1- 0.1- 150210 291 0.5- 0.2+
141122 G96 0.2+ 0.2+ 141227 807 0.1+ 0.1- 150210 291 0.0 0.4+
141122 G96 0.2- 0.1+ 141227 807 0.2+ 0.2+ 150210 291 0.3- 0.2-
141220 F51 0.2- 0.3+ 141229 807 0.3- 0.1- 150218 807 0.1+ 0.0
141220 F51 0.1- 0.3+ 141229 807 0.0 0.3- 150218 807 0.2+ 0.0
141220 F51 0.2- 0.1+ 141229 807 0.6+ 0.0 150218 807 0.2- 0.1-
141221 W86 0.2- 0.1+ 141230 807 0.5- 0.3- 230924 G96 0.6+ 0.2+
141221 W86 0.3- 0.4+ 141230 807 0.3- 0.7+ 230924 G96 0.1+ 0.0
141221 W86 0.3- 0.4+ 141230 807 0.1- 0.2+ 230924 G96 0.3- 0.0
141221 291 0.0 0.1+ 150112 807 0.4+ 0.1- 230924 G96 0.7- 0.4-
141221 291 0.0 0.1+ 150112 807 0.7+ 0.1+ 231005 F51 0.0 0.1-
141221 291 0.6+ 0.1+ 150112 807 0.7+ 0.6+ 231005 F51 0.1- 0.1-
141223 807 0.4- 0.1+ 150124 474 0.0 0.3- 231005 F51 0.0 0.1-
141223 807 0.2- 0.1- 150124 474 0.3+ 0.6- 231006 H21 0.2+ 0.1+
141223 807 0.6- 0.7- 150124 474 0.2- 0.5- 231006 H21 0.5+ 0.2+
141224 807 0.2- 0.1+ 150209 807 0.2- 0.0 231006 H21 0.0 0.4+
141224 807 0.2+ 0.6- 150209 807 0.3- 0.0
141224 807 0.4+ 0.2+ 150209 807 0.1- 0.3-
Ephemeris:
2014 YN9 a,e,i = 2.74, 0.57, 11 q = 1.1890
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 09 07 01 00 07.7 +26 18 20 0.8528 1.7280 136.3 23.8 22.9
...
2023 09 22 01 02 58.9 +27 35 38 0.6849 1.6230 147.3 19.5 22.1
...
2023 09 30 01 02 15.0 +27 39 33 0.6081 1.5684 153.1 16.8 21.7
...
2023 10 06 01 00 48.7 +27 19 25 0.5568 1.5284 157.2 14.7 21.4
2023 10 07 01 00 30.6 +27 13 50 0.5487 1.5219 157.8 14.4 21.3
2023 10 08 01 00 11.7 +27 07 35 0.5408 1.5153 158.4 14.1 21.3
...
2023 10 14 00 58 05.7 +26 15 07 0.4968 1.4767 161.2 12.6 21.0
...
2023 10 22 00 55 17.9 +24 22 43 0.4467 1.4272 162.1 12.4 20.7
...
2023 11 06 00 54 01.3 +18 43 58 0.3791 1.3426 154.0 18.9 20.4
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-T90
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