MPEC 2008-Y68 : 2008 YR27
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M.P.E.C. 2008-Y68 Issued 2008 Dec. 30, 15:06 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 YR27
Observations:
K08Y27R C2008 12 07.37079 08 38 30.30 +21 44 04.1 22.4 V EY068G96
K08Y27R C2008 12 07.37524 08 38 30.30 +21 44 05.0 21.7 V EY068G96
K08Y27R C2008 12 07.37965 08 38 30.30 +21 44 06.1 21.0 V EY068G96
K08Y27R C2008 12 07.38413 08 38 30.26 +21 44 07.3 21.8 V EY068G96
K08Y27R* C2008 12 29.27778 08 27 38.80 +24 38 15.6 20.3 V EY068G96
K08Y27R C2008 12 29.28507 08 27 38.26 +24 38 20.7 20.3 V EY068G96
K08Y27R C2008 12 29.29238 08 27 37.76 +24 38 25.7 20.3 V EY068G96
K08Y27R C2008 12 29.29971 08 27 37.22 +24 38 31.0 20.2 V EY068G96
K08Y27R C2008 12 29.32905 08 27 35.17 +24 38 51.5 20.0 V EY068G96
K08Y27R C2008 12 29.33877 08 27 34.52 +24 38 58.4 20.1 V EY068G96
K08Y27R C2008 12 29.34646 08 27 33.98 +24 39 03.5 19.9 V EY068G96
K08Y27R C2008 12 29.35406 08 27 33.40 +24 39 08.9 20.2 V EY068G96
K08Y27R C2008 12 29.37875 08 27 31.63 +24 39 26.0 19.8 R EY068H01
K08Y27R C2008 12 29.38365 08 27 31.28 +24 39 29.4 20.0 R EY068H01
K08Y27R C2008 12 29.38954 08 27 30.86 +24 39 33.4 19.9 R EY068H01
K08Y27R C2008 12 29.39688 08 27 30.35 +24 39 38.6 19.9 R EY068H01
K08Y27R C2008 12 29.42877 08 27 28.09 +24 40 01.0 20.4 V EY068291
K08Y27R C2008 12 29.43251 08 27 27.75 +24 40 01.1 20.1 R EY068H36
K08Y27R C2008 12 29.43316 08 27 27.78 +24 40 04.1 20.3 V EY068291
K08Y27R C2008 12 29.43723 08 27 27.49 +24 40 06.9 20.2 V EY068291
K08Y27R C2008 12 29.43992 08 27 27.22 +24 40 07.5 19.7 R EY068H36
K08Y27R C2008 12 29.44733 08 27 26.83 +24 40 11.6 20.0 R EY068H36
K08Y27R C2008 12 29.84257 08 27 00.32 +24 44 45.5 19.5 V EY068A17
K08Y27R C2008 12 29.86633 08 26 58.77 +24 45 01.8 19.4 V EY068A17
K08Y27R C2008 12 29.89243 08 26 56.85 +24 45 21.2 19.7 V EY068A17
K08Y27R C2008 12 29.92975 08 26 54.23 +24 45 47.3 19.9 V EY068A13
K08Y27R C2008 12 29.95179 08 26 52.64 +24 46 03.5 19.7 V EY068A13
K08Y27R C2008 12 30.02189 08 26 47.61 +24 46 52.4 EY068J95
K08Y27R C2008 12 30.04197 08 26 46.19 +24 47 06.7 EY068J95
K08Y27R C2008 12 30.05393 08 26 45.28 +24 47 15.1 EY068J95
K08Y27R C2008 12 30.08309 08 26 43.19 +24 47 35.5 19.7 R EY068J95
K08Y27R C2008 12 30.24271808 26 32.18 +24 49 30.6 20.5 V EY068H55
K08Y27R C2008 12 30.24811208 26 31.76 +24 49 34.5 20.3 V EY068H55
K08Y27R C2008 12 30.25350608 26 31.36 +24 49 38.3 20.6 V EY068H55
K08Y27R C2008 12 30.26040 08 26 31.05 +24 49 43.6 20.0 V EY068G96
K08Y27R C2008 12 30.26904 08 26 30.40 +24 49 49.8 20.4 V EY068G96
K08Y27R C2008 12 30.27554 08 26 29.97 +24 49 54.4 20.4 V EY068G96
K08Y27R C2008 12 30.28205 08 26 29.50 +24 49 59.4 20.3 V EY068G96
K08Y27R C2008 12 30.36874 08 26 23.08 +24 51 02.0 20.3 R EY068854
K08Y27R C2008 12 30.37449 08 26 22.63 +24 51 05.8 20.4 R EY068854
K08Y27R C2008 12 30.38073 08 26 22.18 +24 51 11.1 20.4 R EY068854
K08Y27R C2008 12 30.39333 08 26 21.14 +24 51 18.9 19.6 R EY068H01
K08Y27R C2008 12 30.39696 08 26 20.86 +24 51 21.6 19.6 R EY068H01
K08Y27R C2008 12 30.40307 08 26 20.40 +24 51 25.9 19.5 R EY068H01
K08Y27R C2008 12 30.40810 08 26 20.03 +24 51 29.4 19.5 R EY068H01
Observer details:
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
A13 Observatoire Naef, Marly. Observer P. Kocher. 0.5-m f/3.3 Hypergraph
+ CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observers R. A. Kowalski, A. D. Grauer. Measurers
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer,
R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector
+ CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer H. Devore. 0.61-m f/4.0 astrograph + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2008 YR27 Earth MOID = 0.1229 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 315.12986 (2000.0) P Q
n 0.29098568 Peri. 149.92672 -0.47705460 +0.86700741
a 2.2553899 Node 91.23928 -0.83232656 -0.39309826
e 0.7510266 Incl. 8.27752 -0.28222582 -0.30622199
P 3.39 H 18.1 G 0.15 U 8
Residuals in seconds of arc
081207 G96 0.0 0.4+ 081229 H01 0.2+ 0.1+ 081230 J95 0.1+ 0.5-
081207 G96 0.1+ 0.0 081229 291 0.4- 0.2+ 081230 H55 0.1+ 0.2+
081207 G96 0.2+ 0.2- 081229 H36 0.2+ 0.9- 081230 H55 0.2- 0.2+
081207 G96 0.3- 0.3- 081229 291 0.3- 0.3+ 081230 H55 0.2- 0.1+
081229 G96 0.6+ 0.1- 081229 291 0.4- 0.3+ 081230 G96 0.3- 0.1+
081229 G96 0.2+ 0.1- 081229 H36 0.1+ 0.4+ 081230 G96 0.5- 0.0
081229 G96 0.3+ 0.2- 081229 H36 1.9+ 0.5- 081230 G96 0.2+ 0.1-
081229 G96 0.1- 0.1- 081229 A17 0.7- 0.5+ 081230 G96 0.3+ 0.2+
081229 G96 0.1+ 0.1- 081229 A17 0.8+ 0.2- 081230 854 0.8+ 0.5+
081229 G96 0.5+ 0.0 081229 A17 0.2- 0.5+ 081230 854 0.6+ 0.2+
081229 G96 0.6+ 0.2- 081229 A13 0.1- 0.4- 081230 854 0.8+ 1.0+
081229 G96 0.0 0.1- 081229 A13 0.2- 0.0 081230 H01 0.0 0.1+
081229 H01 0.1+ 0.1+ 081230 J95 0.3- 0.2- 081230 H01 0.1- 0.3+
081229 H01 0.1+ 0.1+ 081230 J95 0.2+ 0.2- 081230 H01 0.1- 0.2+
081229 H01 0.0 0.0 081230 J95 0.3- 0.2- 081230 H01 0.1- 0.2+
Ephemeris:
2008 YR27 a,e,i = 2.26, 0.75, 8 q = 0.5615
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 12 30 08 26.82 +24 46.7 0.974 1.911 154.9 12.6 20.2
2009 01 09 08 11.53 +27 00.4 0.837 1.810 167.6 6.7 19.5
2009 01 19 07 48.22 +29 39.4 0.727 1.704 170.0 5.7 19.0
2009 01 29 07 16.91 +32 21.3 0.645 1.594 155.3 14.9 19.0
2009 02 08 06 40.31 +34 33.8 0.592 1.480 137.9 26.5 19.0
2009 02 18 06 03.21 +35 56.1 0.560 1.361 120.5 38.7 19.1
2009 02 28 05 29.95 +36 31.3 0.541 1.238 104.0 50.9 19.1
2009 03 10 05 01.75 +36 37.3 0.522 1.111 88.6 63.3 19.2
2009 03 20 04 35.83 +36 25.6 0.498 0.981 73.8 77.1 19.2
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-Y68
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