MPEC 2008-G71 : 2008 GW20
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
Read MPEC 2008-G70
Read MPEC 2008-G72
M.P.E.C. 2008-G71 Issued 2008 Apr. 12, 11:56 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 GW20
Observations:
K08G20W* C2008 04 11.37184 16 22 47.85 -05 16 14.1 16.1 V EG071703
K08G20W C2008 04 11.37985 16 22 44.58 -05 17 33.9 16.3 V EG071703
K08G20W C2008 04 11.38784 16 22 41.34 -05 18 52.4 16.2 V EG071703
K08G20W C2008 04 11.39586 16 22 38.13 -05 20 12.1 16.1 V EG071703
K08G20W C2008 04 11.45304 16 22 15.09 -05 29 26.5 16.3 V EG071703
K08G20W C2008 04 11.46082 16 22 12.10 -05 30 41.5 16.0 V EG071703
K08G20W C2008 04 11.46864 16 22 08.94 -05 31 56.3 16.1 V EG071703
K08G20W C2008 04 11.78516 16 20 30.75 -06 20 40.2 16.9 R EG071300
K08G20W C2008 04 11.78745 16 20 29.95 -06 21 00.2 17.0 R EG071300
K08G20W C2008 04 11.78861 16 20 29.48 -06 21 10.6 17.0 R EG071300
K08G20W C2008 04 11.78974 16 20 29.09 -06 21 19.9 16.6 R EG071300
K08G20W C2008 04 11.79089 16 20 28.66 -06 21 30.8 16.5 R EG071300
K08G20W C2008 04 12.23567 16 18 24.78 -07 20 45.2 16.8 R EG071I77
K08G20W C2008 04 12.24187 16 18 22.64 -07 21 34.4 16.7 R EG071I77
K08G20W C2008 04 12.24517 16 18 21.50 -07 22 00.6 17.2 R EG071I77
K08G20W C2008 04 12.34654 16 17 59.63 -07 37 52.4 17.1 R EG071854
K08G20W C2008 04 12.34735 16 17 59.36 -07 37 58.8 16.9 R EG071854
K08G20W C2008 04 12.35302 16 17 57.51 -07 38 43.0 17.1 R EG071854
K08G20W 5C2008 04 12.38640016 17 47.672-07 43 05.32 17.2 R EG071673
K08G20W 5C2008 04 12.39160916 17 45.970-07 43 45.08 EG071673
K08G20W 5C2008 04 12.39693316 17 44.227-07 44 25.92 EG071673
K08G20W 5C2008 04 12.40156316 17 42.716-07 45 01.41 EG071673
K08G20W C2008 04 12.40993 16 17 38.76 -07 46 01.7 16.5 V EG071G96
K08G20W C2008 04 12.41047 16 17 38.58 -07 46 05.7 16.4 V EG071G96
K08G20W C2008 04 12.41212 16 17 38.04 -07 46 18.3 16.6 V EG071G96
K08G20W C2008 04 12.41266 16 17 37.86 -07 46 22.5 16.5 V EG071G96
K08G20W C2008 04 12.41433 16 17 37.28 -07 46 35.2 16.4 V EG071G96
K08G20W C2008 04 12.41488 16 17 37.10 -07 46 39.3 16.6 V EG071G96
K08G20W C2008 04 12.41654 16 17 36.56 -07 46 51.9 16.5 V EG071G96
K08G20W C2008 04 12.41711 16 17 36.34 -07 46 56.1 16.4 V EG071G96
Observer details:
300 Bisei Spaceguard Center--BATTeRS. Observers N. Hashimoto, S. Okumura.
1.0-m f/3.0 reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
703 Catalina Sky Survey. Observer R. A. Kowalski. 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. 0.68-m Schmidt + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer 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.
I77 CEAMIG-REA Observatory, Belo Horizonte. Observers C. Jacques, E. Pimentel.
Measurer C. Jacques. 0.25-m f/3.4 reflector + CCD.
Orbital elements:
2008 GW20 PHA, Earth MOID = 0.0145 AU
Epoch 2008 May 14.0 TT = JDT 2454600.5 MPC
M 17.00073 (2000.0) P Q
n 0.26683889 Peri. 118.89691 -0.95733413 -0.28818767
a 2.3894794 Node 44.36310 +0.25331825 -0.87256057
e 0.6063252 Incl. 1.75631 +0.13907272 -0.39444381
P 3.69 H 21.8 G 0.15 U 7
Residuals in seconds of arc
080411 703 0.6+ 0.8+ 080411 300 0.0 0.6+ 080412 673 0.0 0.5+
080411 703 0.1- 0.0 080411 300 0.1- 0.1- 080412 673 0.0 0.5+
080411 703 0.5- 0.2+ 080412 I77 0.2- 0.2- 080412 G96 0.1- 0.2-
080411 703 0.2- 0.8- 080412 I77 0.2+ 0.1- 080412 G96 0.1- 0.0
080411 703 1.2- 0.3+ 080412 I77 0.3+ 0.1- 080412 G96 0.1- 0.1-
080411 703 0.5+ 0.0 080412 854 0.0 0.4+ 080412 G96 0.1- 0.2-
080411 703 0.3- 0.2+ 080412 854 0.1- 0.3+ 080412 G96 0.5- 0.2-
080411 300 0.5- 0.1- 080412 854 0.1- 0.2+ 080412 G96 0.5- 0.1-
080411 300 0.2+ 0.1+ 080412 673 0.1+ 0.2+ 080412 G96 0.4- 0.0
080411 300 0.4- 0.0 080412 673 0.0 0.5+ 080412 G96 0.9- 0.1+
Ephemeris:
2008 GW20 a,e,i = 2.39, 0.61, 2 q = 0.9407
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 04 04 20 55.70 +62 16.2 0.0160 0.995 71.1 108.0 16.9
2008 04 05 18 51.15 +49 44.8 0.0154 1.000 86.3 92.8 16.0
2008 04 06 17 47.55 +33 34.5 0.0169 1.004 101.4 77.7 15.7
2008 04 07 17 14.03 +20 13.6 0.0200 1.009 113.0 66.0 15.7
2008 04 08 16 54.09 +10 42.6 0.0241 1.014 120.9 57.9 15.8
2008 04 09 16 41.00 +04 04.2 0.0288 1.019 126.5 52.2 16.1
2008 04 10 16 31.76 -00 40.2 0.0338 1.024 130.5 48.0 16.3
2008 04 11 16 24.86 -04 09.8 0.0391 1.030 133.6 44.8 16.5
2008 04 12 16 19.50 -06 49.3 0.0445 1.035 136.2 42.1 16.8
2008 04 13 16 15.19 -08 53.9 0.0500 1.041 138.3 39.8 17.0
2008 04 14 16 11.62 -10 33.7 0.0556 1.046 140.2 37.8 17.1
2008 04 24 15 52.34 -17 51.5 0.114 1.110 154.2 23.2 18.4
2008 05 04 15 41.74 -19 58.1 0.178 1.182 166.0 11.9 19.1
2008 05 14 15 34.30 -20 46.2 0.249 1.259 176.8 2.5 19.6
2008 05 24 15 29.98 -21 06.5 0.331 1.341 172.0 6.0 20.5
2008 06 03 15 28.74 -21 18.0 0.425 1.425 162.3 12.5 21.5
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-G71
Read MPEC 2008-G70
Read MPEC 2008-G72
Our Web policy. Index to the CBAT/MPC/ICQ pages.
