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Read MPEC 2007-X27
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M.P.E.C. 2007-X28 Issued 2007 Dec. 6, 18:11 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
2007 XZ9
Observations:
K07X09Z* C2007 12 04.19408 03 00 14.91 +12 15 37.1 18.9 EX028704
K07X09Z C2007 12 04.20683 03 00 41.98 +12 16 51.2 18.8 EX028704
K07X09Z C2007 12 04.21964 03 01 09.06 +12 18 05.2 18.9 EX028704
K07X09Z C2007 12 04.23232 03 01 35.68 +12 19 17.6 19.2 EX028704
K07X09Z C2007 12 04.24497 03 02 02.19 +12 20 28.7 19.7 EX028704
K07X09Z C2007 12 05.18492 03 31 07.81 +13 29 24.7 19.7 EX028704
K07X09Z C2007 12 05.19770 03 31 26.79 +13 30 08.9 20.0 EX028704
K07X09Z C2007 12 05.21040 03 31 45.46 +13 30 52.7 19.8 EX028704
K07X09Z C2007 12 05.22307 03 32 03.99 +13 31 34.5 19.2 EX028704
K07X09Z C2007 12 05.23584 03 32 22.61 +13 32 16.9 19.4 EX028704
K07X09Z C2007 12 05.95489 03 48 43.79 +14 04 25.3 EX028J95
K07X09Z C2007 12 05.95824 03 48 47.65 +14 04 33.7 EX028J95
K07X09Z C2007 12 05.96192 03 48 51.88 +14 04 42.2 EX028J95
K07X09Z C2007 12 05.97217 03 49 03.70 +14 05 05.5 18.9 R EX028J95
K07X09Z C2007 12 06.01176 03 49 46.39 +14 06 38.2 18.7 V EX028B03
K07X09Z C2007 12 06.01828 03 49 53.96 +14 06 51.8 18.8 V EX028B03
K07X09Z C2007 12 06.02317 03 49 59.47 +14 07 02.5 19.2 V EX028B03
K07X09Z C2007 12 06.02806 03 50 05.10 +14 07 11.9 19.5 V EX028B03
K07X09Z C2007 12 06.03024 03 50 07.63 +14 07 24.8 19.0 V EX028595
K07X09Z C2007 12 06.03436 03 50 12.34 +14 07 33.2 19.2 V EX028595
K07X09Z C2007 12 06.04687 03 50 26.58 +14 07 59.8 19.0 V EX028595
K07X09Z C2007 12 06.21274 03 53 47.29 +14 14 42.7 18.8 R EX028651
K07X09Z C2007 12 06.21326 03 53 47.82 +14 14 43.8 18.9 R EX028651
K07X09Z C2007 12 06.21377 03 53 48.38 +14 14 45.0 19.1 R EX028651
K07X09Z C2007 12 06.28105 03 54 58.21 +14 16 59.5 17.8 V EX028G96
K07X09Z C2007 12 06.28678 03 55 04.11 +14 17 10.0 18.3 V EX028G96
K07X09Z C2007 12 06.29250 03 55 09.94 +14 17 21.0 18.3 V EX028G96
K07X09Z C2007 12 06.29819 03 55 15.81 +14 17 32.0 18.1 V EX028G96
Observer details:
595 Farra d'Isonzo. Observers L. Bittesini, G. Lombardi, E. Pettarin,
F. Piani. Measurers G. Lombardi, E. Pettarin. 0.40-m f/4.5 reflector
+ CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
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.
B03 Alter Satzberg, Vienna. Observer M. Pietschnig. 0.35-m f/7
Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer S. M. Larson. 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.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2007 XZ9 Earth MOID = 0.0017 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 0.77974 (2000.0) P Q
n 0.33825904 Peri. 125.74507 +0.97032879 -0.23673899
a 2.0400295 Node 247.99402 +0.20117713 +0.90326902
e 0.5862986 Incl. 3.03941 +0.13412605 +0.35785434
P 2.91 H 24.7 G 0.15 U 6
Residuals in seconds of arc
071204 704 0.2- 0.0 071205 J95 0.7+ 0.8- 071206 595 0.6- 1.1+
071204 704 0.1- 0.3- 071205 J95 0.4+ 0.1- 071206 651 0.1+ 0.0
071204 704 0.3+ 0.1- 071205 J95 0.0 0.0 071206 651 0.1- 0.0
071204 704 0.2- 0.0 071205 J95 0.2- 0.1- 071206 651 0.2+ 0.1+
071204 704 0.3+ 0.2- 071206 B03 0.9- 0.2+ 071206 G96 0.3- 0.6+
071205 704 0.5- 0.3+ 071206 B03 0.5+ 0.0 071206 G96 0.0 0.0
071205 704 0.3+ 0.5+ 071206 B03 0.8- 0.4+ 071206 G96 0.5- 0.0
071205 704 0.1- 1.1+ 071206 B03 0.3- 0.4- 071206 G96 0.1+ 0.1+
071205 704 0.6- 0.3+ 071206 595 0.6- 0.6+
071205 704 0.6- 0.3+ 071206 595 0.4- 0.4+
Ephemeris:
2007 XZ9 a,e,i = 2.04, 0.59, 3 q = 0.8440
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 12 06 03 49.62 +14 08.1 0.0445 1.028 163.9 15.4 18.8
2007 12 07 04 06.79 +14 38.1 0.0518 1.036 166.7 12.7 19.1
2007 12 08 04 19.74 +14 57.8 0.0593 1.043 168.4 10.9 19.3
2007 12 09 04 29.79 +15 11.5 0.0670 1.051 169.5 9.9 19.6
2007 12 10 04 37.79 +15 21.4 0.0749 1.059 170.1 9.2 19.8
2007 12 11 04 44.28 +15 29.1 0.0828 1.067 170.4 8.8 20.0
2007 12 12 04 49.66 +15 35.2 0.0909 1.074 170.6 8.6 20.2
2007 12 13 04 54.18 +15 40.2 0.0990 1.082 170.6 8.5 20.4
2007 12 14 04 58.03 +15 44.6 0.107 1.090 170.5 8.5 20.6
2007 12 15 05 01.35 +15 48.4 0.116 1.098 170.4 8.6 20.8
2007 12 16 05 04.25 +15 51.9 0.124 1.107 170.2 8.8 21.0
2007 12 17 05 06.80 +15 55.1 0.132 1.115 169.9 8.9 21.1
2007 12 18 05 09.06 +15 58.2 0.141 1.123 169.5 9.2 21.3
2007 12 19 05 11.09 +16 01.1 0.150 1.131 169.1 9.4 21.5
2007 12 20 05 12.92 +16 03.9 0.158 1.139 168.7 9.8 21.6
2007 12 21 05 14.59 +16 06.7 0.167 1.148 168.2 10.1 21.8
2007 12 22 05 16.11 +16 09.5 0.176 1.156 167.7 10.5 21.9
2007 12 23 05 17.51 +16 12.2 0.185 1.165 167.1 10.8 22.0
2007 12 24 05 18.82 +16 14.9 0.194 1.173 166.5 11.3 22.2
2007 12 25 05 20.03 +16 17.6 0.203 1.182 165.9 11.7 22.3
2007 12 26 05 21.17 +16 20.4 0.212 1.190 165.3 12.1 22.4
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-X28
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