[Iaude] MPEC A29: 2021 YN [a=1.65,e=0.69,i=7.0,H=21.02]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Wed Jan 3 09:11:46 EST 2024
M.P.E.C. 2024-A29 Issued 2024 January 3, 14:10 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
2021 YN
Revision to MPEC 2021-Y65
Additional Observations:
K21Y00N C2023 12 10.27773 05 02 05.52 +19 05 16.6 22.1 GVEA029V06
K21Y00N C2023 12 10.28512 05 02 04.39 +19 05 15.6 21.9 GVEA029V06
K21Y00N C2023 12 10.29251 05 02 03.26 +19 05 15.9 23.0 GVEA029V06
K21Y00N C2023 12 10.29990 05 02 02.15 +19 05 15.4 21.9 GVEA029V06
K21Y00N 0C2023 12 12.49263804 56 29.851+19 03 43.76 22.47GVEA029T12
K21Y00N 0C2023 12 12.49512804 56 29.464+19 03 43.60 22.45GVEA029T12
K21Y00N 0C2023 12 12.49783804 56 29.038+19 03 43.46 22.50GVEA029T12
K21Y00N C2023 12 15.46878604 48 44.071+19 01 03.34 22.56GVEA029F51
K21Y00N C2023 12 15.51216204 48 36.989+19 01 00.32 21.43GVEA029F51
K21Y00N 0C2023 12 16.43071804 46 10.634+19 00 03.60 22.76GVEA029T12
K21Y00N 0C2023 12 16.43513104 46 09.909+19 00 03.29 22.67GVEA029T12
K21Y00N 0C2023 12 16.43885804 46 09.299+19 00 03.03 22.73GVEA029T12
K21Y00N 0C2023 12 16.44304804 46 08.607+19 00 02.72 22.71GVEA029T12
K21Y00N C2024 01 01.23139304 03 54.752+18 36 20.93 22.17GVEA029F51
K21Y00N C2024 01 01.24433904 03 52.728+18 36 19.74 22.32GVEA029F51
K21Y00N C2024 01 01.27021504 03 48.714+18 36 17.43 22.88GVEA029F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea. Observer D. J. Tholen.
2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
V06 Catalina Sky Survey-Kuiper. Observer G. J. Leonard. Measurers B. Gray,
D. Rankin, F. C. Shelly. 1.55-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
231210 V06 0.10- 0.02- 240101 F51 0.07- 0.03- E2023-R01 +0.00 days
Orbital elements:
2021 YN Earth MOID = 0.0528 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 256.17460 (2000.0) P Q
n 0.46483630 Peri. 127.28057 -0.77411954 +0.62128971
a 1.6504512 Node 91.45826 -0.61243245 -0.68648694
e 0.6941431 Incl. 6.97520 -0.16020438 -0.37780257
P 2.12 H 21.02 G 0.15 U 1
Residuals in seconds of arc
211207 G96 0.0 0.1+ 220104 I52 0.0 0.2- 220111 T08 0.1+ 0.0
211207 G96 (0.9- 0.2-) 220104 G96 0.0 0.0 220111 D29 0.4- 0.3+
211226 D29 0.5+ 0.4+ 220104 G96 0.0 0.0 220111 D29 0.1- 0.1-
211226 D29 0.1+ 0.2+ 220104 G96 0.1+ 0.1- 220111 D29 0.1- 0.2-
211226 D29 0.6- 0.3- 220104 G96 0.0 0.0 220112 L18 0.6- 1.3+
211227 I52 0.2+ 0.3+ 220106 F52 0.0 0.0 220112 L18 1.4- 0.5+
211227 I52 0.2- 0.0 220106 F52 0.0 0.0 220112 L18 0.3- 1.2+
211227 I52 0.1+ 0.1- 220106 F52 0.0 0.0 220112 K87 1.3- 0.1-
211227 N88 0.1+ 0.2- 220106 A17 0.1+ 0.1+ 220112 K87 0.2- 0.1+
211227 D29 0.0 0.0 220106 A17 0.3- 0.2+ 220112 K87 0.2- 0.1+
211227 N88 0.0 0.1- 220106 A17 0.1+ 0.0 220113 T05 0.4+ 0.6-
211227 D29 0.0 0.0 220106 K87 0.2- 0.3- 220113 T05 0.1+ 0.2-
211227 N88 0.0 0.0 220106 K87 0.2+ 0.2+ 220113 T05 0.0 0.2-
211227 D29 0.1+ 0.1- 220106 K87 0.2- 0.2+ 220113 T05 0.1+ 0.1-
211227 119 0.1- 0.0 220107 I52 0.1+ 0.0 220113 K87 0.4- 0.1+
211227 119 0.0 0.1+ 220107 I52 0.1+ 0.1- 220113 K87 0.3+ 0.2+
211227 119 0.2- 0.1+ 220107 I52 0.1+ 0.1+ 220113 K87 0.2- 0.0
211227 119 0.0 0.1- 220107 I52 0.1- 0.1+ 220116 130 0.2- 0.2+
211227 119 0.2- 0.3+ 220107 K88 0.2- 0.5- 220116 130 0.1+ 0.3+
211227 N88 0.3+ 0.1+ 220107 K88 0.2- 0.5- 220116 130 0.1- 0.1+
211227 N88 0.2+ 0.2- 220107 K88 0.1- 0.7- 220116 130 0.0 0.3-
211227 033 0.1- 0.4- 220107 K88 0.3- 0.4- 220116 J95 0.0 0.1+
211227 033 0.3- 0.2- 220107 K88 0.3- 0.4- 220116 J95 0.1+ 0.1+
211227 033 0.3- 0.3- 220107 K88 0.0 0.4- 220116 J95 0.2+ 0.1+
211227 033 0.2- 0.3- 220108 I52 0.1+ 0.1- 220116 J95 0.0 0.1-
211228 B49 0.3+ 1.2- 220108 I52 0.0 0.0 220117 W46 1.3+ 0.3-
211228 B49 0.1+ 1.4- 220108 I52 0.1+ 0.0 220117 W46 1.1+ 0.1+
211230 H06 0.2+ 0.1+ 220108 I52 0.1+ 0.0 220117 W46 1.5+ 0.2-
211230 H06 0.1+ 0.1- 220108 T05 0.0 0.2- 220118 K38 0.1- 0.0
211230 H06 0.0 0.1+ 220108 T05 0.0 0.4+ 220118 K38 0.3- 0.4-
211231 C95 0.1+ 0.1+ 220108 T05 0.1+ 0.1+ 220118 K38 0.1- 0.2+
211231 C95 0.2+ 0.2+ 220108 T05 0.2+ 0.2- 220118 K38 0.2- 0.2+
211231 C95 0.1- 0.0 220109 I52 0.1+ 0.1- 220118 K38 0.0 0.2+
211231 C95 0.2+ 0.0 220109 I52 0.0 0.1- 220118 L63 0.0 0.0
220101 204 0.2- 0.0 220109 I52 0.0 0.1- 220118 L63 0.5+ 0.3+
220101 204 0.0 0.1+ 220109 I52 0.2+ 0.2- 220118 L63 0.5+ 0.5+
220101 204 0.1+ 0.0 220109 T05 0.1- 0.2+ 220119 C51 0.0 0.1-
220101 033 0.1- 0.0 220109 T05 0.1- 0.3+ 220121 595 0.1+ 0.7+
220101 033 0.0 0.1+ 220109 T05 0.1+ 0.1- 220121 595 0.6+ 0.4-
220101 033 0.1+ 0.1+ 220110 I52 0.0 0.1- 220121 595 0.5+ 0.4-
220102 K38 0.1- 0.1- 220110 I52 0.1+ 0.1- 220121 K83 0.0 0.2-
220102 K38 0.1- 0.3- 220110 I52 0.1+ 0.0 220121 K83 0.1+ 0.1-
220102 K38 0.1+ 0.3+ 220110 I52 0.1+ 0.1- 231210 V06 0.1+ 0.3+
220102 033 0.0 0.0 220110 703 0.1- 0.2+ 231210 V06 0.0 0.4-
220102 033 0.1+ 0.0 220110 703 0.1- 0.0 231210 V06 0.0 0.2+
220102 033 0.0 0.1- 220110 703 0.3- 0.0 231210 V06 0.2+ 0.0
220102 Z99 0.3- 0.4+ 220110 G96 0.0 0.1- 231212 T12 0.1- 0.0
220102 Z99 0.5- 0.6+ 220110 G96 0.1+ 0.2- 231212 T12 0.0 0.0
220102 Z99 0.2- 0.3+ 220110 G96 0.2+ 0.1- 231212 T12 0.0 0.0
220102 Z99 0.6- 0.5+ 220110 G96 0.1+ 0.2- 231215 F51 0.1+ 0.1-
220103 Z99 0.5- 0.1+ 220110 F52 0.0 0.0 231215 F51 0.3- 0.0
220103 033 0.0 0.1- 220110 F52 0.1- 0.1+ 231216 T12 0.1- 0.0
220103 033 0.1+ 0.0 220110 F52 0.0 0.0 231216 T12 0.1- 0.0
220103 033 0.1+ 0.1+ 220110 T08 0.0 0.2- 231216 T12 0.0 0.0
220103 033 0.1+ 0.0 220110 T08 0.0 0.4+ 231216 T12 0.1- 0.0
220104 I52 0.0 0.0 220110 T08 0.3+ 0.1+ 240101 F51 0.1+ 0.1+
220104 I52 0.0 0.1- 220111 T08 0.3+ 0.1- 240101 F51 0.0 0.1+
220104 I52 0.1+ 0.0 220111 T08 0.1+ 0.3- 240101 F51 0.2+ 0.2+
Ephemeris:
2021 YN a,e,i = 1.65, 0.69, 7 q = 0.5048
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 12 04 05 16 45.6 +19 08 01 0.9534 1.9326 170.6 4.8 22.8
...
2023 12 19 04 39 15.8 +18 57 04 0.8455 1.8121 164.1 8.5 22.5
...
2023 12 27 04 17 33.5 +18 45 11 0.8166 1.7435 151.1 15.8 22.6
...
2024 01 02 04 01 58.6 +18 35 05 0.8064 1.6900 141.4 21.3 22.7
2024 01 03 03 59 29.9 +18 33 26 0.8055 1.6809 139.8 22.2 22.7
2024 01 04 03 57 03.7 +18 31 50 0.8049 1.6718 138.2 23.1 22.8
...
2024 01 10 03 43 27.8 +18 23 34 0.8053 1.6158 128.9 28.3 22.8
...
2024 01 18 03 28 33.7 +18 18 44 0.8141 1.5381 117.3 34.6 22.9
...
2024 02 02 03 11 23.3 +18 38 14 0.8395 1.3828 98.2 44.8 23.1
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-A29
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