MPEC 2008-Y30 : 2008 YK2
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M.P.E.C. 2008-Y30 Issued 2008 Dec. 22, 17:08 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 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 http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2008 YK2
Observations:
K08Y02K* C2008 12 20.32714 07 41 32.05 +22 01 20.8 18.1 EY030704
K08Y02K C2008 12 20.34005 07 41 33.28 +22 02 32.0 18.2 EY030704
K08Y02K C2008 12 20.35295 07 41 34.61 +22 03 39.9 18.2 EY030704
K08Y02K C2008 12 20.36586 07 41 35.85 +22 04 49.6 18.2 EY030704
K08Y02K C2008 12 20.37872 07 41 37.15 +22 05 59.0 18.2 EY030704
K08Y02K C2008 12 20.94770 07 42 41.46 +22 57 31.9 17.7 R EY030235
K08Y02K C2008 12 20.95540 07 42 42.25 +22 58 14.0 18.3 R EY030235
K08Y02K C2008 12 20.96339 07 42 43.08 +22 58 58.7 17.9 R EY030235
K08Y02K C2008 12 20.96699 07 42 43.49 +22 59 16.7 17.9 V EY030A74
K08Y02K C2008 12 20.96917 07 42 43.62 +22 59 31.6 18.4 V EY030595
K08Y02K C2008 12 20.97406 07 42 44.23 +22 59 58.3 18.2 V EY030595
K08Y02K C2008 12 20.97529 07 42 44.35 +23 00 02.8 18.1 V EY030A74
K08Y02K C2008 12 20.98011 07 42 44.82 +23 00 31.7 EY030595
K08Y02K C2008 12 20.98323 07 42 45.18 +23 00 47.1 17.6 V EY030A74
K08Y02K C2008 12 21.00165 07 42 47.08 +23 02 28.9 18.1 V EY030A74
K08Y02K C2008 12 21.00381 07 42 47.43 +23 02 40.4 17.9 V EY030A74
K08Y02K C2008 12 21.00562 07 42 47.57 +23 02 52.2 16.8 V EY030A74
K08Y02K C2008 12 21.00682 07 42 48.07 +23 03 03.1 17.7 C EY030493
K08Y02K C2008 12 21.00807 07 42 48.20 +23 03 10.1 17.6 C EY030493
K08Y02K C2008 12 21.00932 07 42 48.33 +23 03 17.1 17.7 C EY030493
K08Y02K C2008 12 21.18914407 43 09.71 +23 19 54.6 17.9 R EY030648
K08Y02K C2008 12 21.19532407 43 10.40 +23 20 29.4 17.9 R EY030648
K08Y02K C2008 12 21.20201407 43 11.12 +23 21 06.9 18.2 R EY030648
K08Y02K C2008 12 21.22295 07 43 10.35 +23 23 01.6 17.9 V EY030J75
K08Y02K C2008 12 21.23619 07 43 11.77 +23 24 14.5 17.9 V EY030J75
K08Y02K C2008 12 21.24937 07 43 13.22 +23 25 28.0 17.9 V EY030J75
K08Y02K C2008 12 21.26603 07 43 17.85 +23 27 07.1 18.7 R EY030854
K08Y02K C2008 12 21.26699 07 43 18.02 +23 27 12.9 18.5 R EY030854
K08Y02K C2008 12 21.26890 07 43 18.25 +23 27 23.6 18.7 R EY030854
K08Y02K C2008 12 21.27652 07 43 18.89 +23 28 05.8 18.2 R EY030H01
K08Y02K C2008 12 21.27855 07 43 19.10 +23 28 17.2 18.2 R EY030H01
K08Y02K C2008 12 21.28285 07 43 19.55 +23 28 41.4 18.1 R EY030H01
K08Y02K C2008 12 21.28610 07 43 19.89 +23 28 59.7 18.1 R EY030H01
K08Y02K C2008 12 21.28902 07 43 20.19 +23 29 16.1 18.1 R EY030H01
K08Y02K C2008 12 21.31513 07 43 22.86 +23 31 43.8 17.8 EY030704
K08Y02K C2008 12 21.32799 07 43 24.18 +23 32 56.4 18.1 EY030704
K08Y02K C2008 12 21.34083 07 43 25.47 +23 34 09.4 18.3 EY030704
K08Y02K C2008 12 21.35408 07 43 26.90 +23 35 25.4 19.1 EY030704
K08Y02K C2008 12 21.36696 07 43 28.12 +23 36 35.1 18.2 EY030704
K08Y02K C2008 12 21.91926 07 44 33.14 +24 28 46.0 EY030587
K08Y02K C2008 12 21.92109 07 44 33.34 +24 28 59.7 17.9 R EY030587
K08Y02K C2008 12 21.92259 07 44 33.51 +24 29 08.1 17.6 R EY030587
K08Y02K C2008 12 21.94008 07 44 35.33 +24 30 49.5 17.7 R EY030473
K08Y02K C2008 12 21.94051 07 44 35.38 +24 30 52.0 17.7 R EY030473
K08Y02K C2008 12 21.97764 07 44 39.48 +24 34 26.9 EY030204
K08Y02K C2008 12 21.98178 07 44 39.95 +24 34 50.8 EY030204
K08Y02K C2008 12 21.98588 07 44 40.39 +24 35 14.7 17.4 R EY030204
K08Y02K %C2008 12 22.34884 07 45 22.80 +25 10 33.5 17.5 R EY030H06
K08Y02K %C2008 12 22.35534 07 45 23.47 +25 11 11.6 17.5 R EY030H06
K08Y02K %C2008 12 22.35804 07 45 23.79 +25 11 27.7 17.8 R EY030H06
K08Y02K C2008 12 22.64103 07 45 58.24 +25 39 16.8 EY030900
K08Y02K C2008 12 22.65039 07 45 59.12 +25 40 11.2 EY030900
K08Y02K C2008 12 22.65597 07 45 59.77 +25 40 45.1 EY030900
K08Y02K C2008 12 22.65978 07 46 00.14 +25 41 07.3 17.9 V EY030900
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
235 CAST Observatory, Talmassons. Observer R. Ligustri. 0.35-m f/5 reflector
+ CCD.
473 Remanzacco. Observers L. Donato, M. Gonano, V. Gonano, E. Guido,
V. Santini, G. Sostero. 0.45-m f/4.4 Newtonian reflector + CCD.
493 Calar Alto. Observer F. Hormuth. 1.23-m reflector + CCD.
587 Sormano. Observers F. Manca, A. Testa. Measurer F. Manca. 0.5-m f/6.8
reflector + CCD.
595 Farra d'Isonzo. Observers L. Bittesini, E. Pettarin, F. Piani. Measurer
E. Pettarin. 0.30-m f/4.5 reflector + CCD.
648 Winer Observatory, Sonoita. Observers M. Trueblood, R. Crawford.
Measurer R. Crawford. 0.5-m f/4.5 Newtonian reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
A74 Bergen-Enkheim Observatory. Observer U. Suessenberger. 0.4-m f/4
Newtonian reflector.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
H06 RAS Observatory, Mayhill. Observers E. Guido, G. Sostero, P. Camilleri.
0.25-m f/3.4 reflector + CCD.
J75 OAM Observatory, La Sagra. Observers S. Sanchez, J. Nomen, R. Stoss,
W. K. Y. Yeung, J. Rodriguez, A. Cikota, S. Cikota. 0.45-m f/2.8
reflector + CCD.
Orbital elements:
2008 YK2 Earth MOID = 0.2304 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 339.16894 (2000.0) P Q
n 0.29579529 Peri. 47.62964 -0.71016582 -0.55513386
a 2.2308749 Node 93.92554 +0.44750315 -0.83073184
e 0.4988085 Incl. 25.72298 +0.54351213 -0.04136426
P 3.33 H 19.4 G 0.15 U 8
Residuals in seconds of arc
081220 704 0.4+ 0.7- 081221 493 0.0 0.4- 081221 704 0.7- 1.3+
081220 704 0.3- 1.0+ 081221 493 0.0 0.3- 081221 704 0.3+ 2.7+
081220 704 0.5+ 0.5- 081221 648 0.0 0.8+ 081221 704 1.1- 0.0
081220 704 0.0 0.2- 081221 648 0.2+ 0.7+ 081221 587 0.2- 2.6-
081220 704 0.4+ 0.0 081221 648 0.1+ 0.5+ 081221 587 0.2- 0.5+
081220 235 0.2+ 0.2- 081221 J75 0.3- 0.5- 081221 587 0.1- 0.2+
081220 235 0.1+ 0.8- 081221 J75 0.2- 0.9- 081221 473 0.0 0.1-
081220 235 0.1+ 0.4- 081221 J75 0.1+ 0.4- 081221 473 0.0 0.0
081220 A74 0.1- 0.1- 081221 854 1.0- 0.1- 081221 204 0.4- 0.1-
081220 595 0.6- 0.4+ 081221 854 0.0 0.3+ 081221 204 0.1- 0.2-
081220 595 0.8+ 0.0 081221 854 0.4+ 0.2+ 081221 204 0.1- 0.0
081220 A74 0.2- 0.1- 081221 H01 0.1- 0.1- 081222 H06 0.2+ 0.5-
081220 595 0.3+ 0.2- 081221 H01 0.1- 0.1- 081222 H06 0.1- 0.5-
081220 A74 0.2- 0.2+ 081221 H01 0.1- 0.1- 081222 H06 0.4+ 0.3-
081221 A74 0.5- 0.2- 081221 H01 0.1- 0.1- 081222 900 1.5+ 1.1+
081221 A74 1.2+ 0.6- 081221 H01 0.1- 0.2- 081222 900 0.4- 0.3-
081221 A74 0.6+ 1.1+ 081221 704 0.3- 0.3+ 081222 900 0.2+ 0.4+
081221 493 0.0 0.4- 081221 704 0.3- 0.5+ 081222 900 0.4- 0.1-
Ephemeris:
2008 YK2 a,e,i = 2.23, 0.50, 26 q = 1.1181
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 12 20 07 40.93 +21 32.4 0.291 1.254 155.0 19.4 18.2
2008 12 30 08 03.66 +39 26.6 0.243 1.208 155.5 19.7 17.7
2009 01 09 08 47.38 +60 22.3 0.235 1.171 138.9 33.5 18.0
2009 01 19 10 42.59 +75 43.3 0.263 1.142 121.0 47.6 18.6
2009 01 29 14 21.88 +78 49.4 0.311 1.124 108.8 56.0 19.2
2009 02 08 16 12.71 +75 05.2 0.364 1.118 101.6 59.8 19.6
2009 02 18 16 46.07 +71 30.1 0.415 1.123 97.9 60.6 19.9
2009 02 28 16 51.95 +68 49.6 0.460 1.140 96.8 59.6 20.1
2009 03 10 16 43.83 +66 40.1 0.498 1.168 97.5 57.5 20.3
2009 03 20 16 26.55 +64 33.7 0.529 1.205 99.8 54.5 20.4
2009 03 30 16 02.90 +62 01.9 0.556 1.250 103.3 51.1 20.5
2009 04 09 15 36.42 +58 36.6 0.580 1.301 107.7 47.2 20.6
2009 04 19 15 11.04 +54 01.6 0.606 1.357 112.5 43.1 20.6
2009 04 29 14 49.72 +48 15.7 0.639 1.418 117.1 39.2 20.7
2009 05 09 14 34.07 +41 35.0 0.684 1.480 120.7 35.9 20.9
2009 05 19 14 24.12 +34 27.8 0.743 1.545 122.7 33.5 21.1
2009 05 29 14 19.19 +27 22.0 0.820 1.611 122.6 32.0 21.4
2009 06 08 14 18.46 +20 39.5 0.915 1.677 120.6 31.4 21.7
2009 06 18 14 21.05 +14 32.8 1.027 1.743 117.2 31.2 22.0
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-Y30
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